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sonarr-repo-only/packages/jquery.datatables.1.9.0/Content/Scripts/DataTables-1.9.0/media/js/jquery.dataTables.js

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/**
* @summary DataTables
* @description Paginate, search and sort HTML tables
* @version 1.9.0
* @file jquery.dataTables.js
* @author Allan Jardine (www.sprymedia.co.uk)
* @contact www.sprymedia.co.uk/contact
*
* @copyright Copyright 2008-2012 Allan Jardine, all rights reserved.
*
* This source file is free software, under either the GPL v2 license or a
* BSD style license, available at:
* http://datatables.net/license_gpl2
* http://datatables.net/license_bsd
*
* This source file is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the license files for details.
*
* For details please refer to: http://www.datatables.net
*/
/*jslint evil: true, undef: true, browser: true */
/*globals $, jQuery,_fnExternApiFunc,_fnInitialise,_fnInitComplete,_fnLanguageCompat,_fnAddColumn,_fnColumnOptions,_fnAddData,_fnCreateTr,_fnGatherData,_fnBuildHead,_fnDrawHead,_fnDraw,_fnReDraw,_fnAjaxUpdate,_fnAjaxParameters,_fnAjaxUpdateDraw,_fnServerParams,_fnAddOptionsHtml,_fnFeatureHtmlTable,_fnScrollDraw,_fnAdjustColumnSizing,_fnFeatureHtmlFilter,_fnFilterComplete,_fnFilterCustom,_fnFilterColumn,_fnFilter,_fnBuildSearchArray,_fnBuildSearchRow,_fnFilterCreateSearch,_fnDataToSearch,_fnSort,_fnSortAttachListener,_fnSortingClasses,_fnFeatureHtmlPaginate,_fnPageChange,_fnFeatureHtmlInfo,_fnUpdateInfo,_fnFeatureHtmlLength,_fnFeatureHtmlProcessing,_fnProcessingDisplay,_fnVisibleToColumnIndex,_fnColumnIndexToVisible,_fnNodeToDataIndex,_fnVisbleColumns,_fnCalculateEnd,_fnConvertToWidth,_fnCalculateColumnWidths,_fnScrollingWidthAdjust,_fnGetWidestNode,_fnGetMaxLenString,_fnStringToCss,_fnDetectType,_fnSettingsFromNode,_fnGetDataMaster,_fnGetTrNodes,_fnGetTdNodes,_fnEscapeRegex,_fnDeleteIndex,_fnReOrderIndex,_fnColumnOrdering,_fnLog,_fnClearTable,_fnSaveState,_fnLoadState,_fnCreateCookie,_fnReadCookie,_fnDetectHeader,_fnGetUniqueThs,_fnScrollBarWidth,_fnApplyToChildren,_fnMap,_fnGetRowData,_fnGetCellData,_fnSetCellData,_fnGetObjectDataFn,_fnSetObjectDataFn,_fnApplyColumnDefs,_fnBindAction,_fnCallbackReg,_fnCallbackFire,_fnJsonString,_fnRender,_fnNodeToColumnIndex*/
(/** @lends <global> */function($, window, document, undefined) {
/**
* DataTables is a plug-in for the jQuery Javascript library. It is a
* highly flexible tool, based upon the foundations of progressive
* enhancement, which will add advanced interaction controls to any
* HTML table. For a full list of features please refer to
* <a href="http://datatables.net">DataTables.net</a>.
*
* Note that the <i>DataTable</i> object is not a global variable but is
* aliased to <i>jQuery.fn.DataTable</i> and <i>jQuery.fn.dataTable</i> through which
* it may be accessed.
*
* @class
* @param {object} [oInit={}] Configuration object for DataTables. Options
* are defined by {@link DataTable.defaults}
* @requires jQuery 1.3+
*
* @example
* // Basic initialisation
* $(document).ready( function {
* $('#example').dataTable();
* } );
*
* @example
* // Initialisation with configuration options - in this case, disable
* // pagination and sorting.
* $(document).ready( function {
* $('#example').dataTable( {
* "bPaginate": false,
* "bSort": false
* } );
* } );
*/
var DataTable = function( oInit )
{
/**
* Add a column to the list used for the table with default values
* @param {object} oSettings dataTables settings object
* @param {node} nTh The th element for this column
* @memberof DataTable#oApi
*/
function _fnAddColumn( oSettings, nTh )
{
var oDefaults = DataTable.defaults.columns;
var iCol = oSettings.aoColumns.length;
var oCol = $.extend( {}, DataTable.models.oColumn, oDefaults, {
"sSortingClass": oSettings.oClasses.sSortable,
"sSortingClassJUI": oSettings.oClasses.sSortJUI,
"nTh": nTh ? nTh : document.createElement('th'),
"sTitle": oDefaults.sTitle ? oDefaults.sTitle : nTh ? nTh.innerHTML : '',
"aDataSort": oDefaults.aDataSort ? oDefaults.aDataSort : [iCol],
"mDataProp": oDefaults.mDataProp ? oDefaults.oDefaults : iCol
} );
oSettings.aoColumns.push( oCol );
/* Add a column specific filter */
if ( oSettings.aoPreSearchCols[ iCol ] === undefined || oSettings.aoPreSearchCols[ iCol ] === null )
{
oSettings.aoPreSearchCols[ iCol ] = $.extend( {}, DataTable.models.oSearch );
}
else
{
var oPre = oSettings.aoPreSearchCols[ iCol ];
/* Don't require that the user must specify bRegex, bSmart or bCaseInsensitive */
if ( oPre.bRegex === undefined )
{
oPre.bRegex = true;
}
if ( oPre.bSmart === undefined )
{
oPre.bSmart = true;
}
if ( oPre.bCaseInsensitive === undefined )
{
oPre.bCaseInsensitive = true;
}
}
/* Use the column options function to initialise classes etc */
_fnColumnOptions( oSettings, iCol, null );
}
/**
* Apply options for a column
* @param {object} oSettings dataTables settings object
* @param {int} iCol column index to consider
* @param {object} oOptions object with sType, bVisible and bSearchable
* @memberof DataTable#oApi
*/
function _fnColumnOptions( oSettings, iCol, oOptions )
{
var oCol = oSettings.aoColumns[ iCol ];
/* User specified column options */
if ( oOptions !== undefined && oOptions !== null )
{
if ( oOptions.sType !== undefined )
{
oCol.sType = oOptions.sType;
oCol._bAutoType = false;
}
$.extend( oCol, oOptions );
_fnMap( oCol, oOptions, "sWidth", "sWidthOrig" );
/* iDataSort to be applied (backwards compatibility), but aDataSort will take
* priority if defined
*/
if ( oOptions.iDataSort !== undefined )
{
oCol.aDataSort = [ oOptions.iDataSort ];
}
_fnMap( oCol, oOptions, "aDataSort" );
}
/* Cache the data get and set functions for speed */
oCol.fnGetData = _fnGetObjectDataFn( oCol.mDataProp );
oCol.fnSetData = _fnSetObjectDataFn( oCol.mDataProp );
/* Feature sorting overrides column specific when off */
if ( !oSettings.oFeatures.bSort )
{
oCol.bSortable = false;
}
/* Check that the class assignment is correct for sorting */
if ( !oCol.bSortable ||
($.inArray('asc', oCol.asSorting) == -1 && $.inArray('desc', oCol.asSorting) == -1) )
{
oCol.sSortingClass = oSettings.oClasses.sSortableNone;
oCol.sSortingClassJUI = "";
}
else if ( oCol.bSortable ||
($.inArray('asc', oCol.asSorting) == -1 && $.inArray('desc', oCol.asSorting) == -1) )
{
oCol.sSortingClass = oSettings.oClasses.sSortable;
oCol.sSortingClassJUI = oSettings.oClasses.sSortJUI;
}
else if ( $.inArray('asc', oCol.asSorting) != -1 && $.inArray('desc', oCol.asSorting) == -1 )
{
oCol.sSortingClass = oSettings.oClasses.sSortableAsc;
oCol.sSortingClassJUI = oSettings.oClasses.sSortJUIAscAllowed;
}
else if ( $.inArray('asc', oCol.asSorting) == -1 && $.inArray('desc', oCol.asSorting) != -1 )
{
oCol.sSortingClass = oSettings.oClasses.sSortableDesc;
oCol.sSortingClassJUI = oSettings.oClasses.sSortJUIDescAllowed;
}
}
/**
* Adjust the table column widths for new data. Note: you would probably want to
* do a redraw after calling this function!
* @param {object} oSettings dataTables settings object
* @memberof DataTable#oApi
*/
function _fnAdjustColumnSizing ( oSettings )
{
/* Not interested in doing column width calculation if autowidth is disabled */
if ( oSettings.oFeatures.bAutoWidth === false )
{
return false;
}
_fnCalculateColumnWidths( oSettings );
for ( var i=0 , iLen=oSettings.aoColumns.length ; i<iLen ; i++ )
{
oSettings.aoColumns[i].nTh.style.width = oSettings.aoColumns[i].sWidth;
}
}
/**
* Covert the index of a visible column to the index in the data array (take account
* of hidden columns)
* @param {object} oSettings dataTables settings object
* @param {int} iMatch Visible column index to lookup
* @returns {int} i the data index
* @memberof DataTable#oApi
*/
function _fnVisibleToColumnIndex( oSettings, iMatch )
{
var iColumn = -1;
for ( var i=0 ; i<oSettings.aoColumns.length ; i++ )
{
if ( oSettings.aoColumns[i].bVisible === true )
{
iColumn++;
}
if ( iColumn == iMatch )
{
return i;
}
}
return null;
}
/**
* Covert the index of an index in the data array and convert it to the visible
* column index (take account of hidden columns)
* @param {int} iMatch Column index to lookup
* @param {object} oSettings dataTables settings object
* @returns {int} i the data index
* @memberof DataTable#oApi
*/
function _fnColumnIndexToVisible( oSettings, iMatch )
{
var iVisible = -1;
for ( var i=0 ; i<oSettings.aoColumns.length ; i++ )
{
if ( oSettings.aoColumns[i].bVisible === true )
{
iVisible++;
}
if ( i == iMatch )
{
return oSettings.aoColumns[i].bVisible === true ? iVisible : null;
}
}
return null;
}
/**
* Get the number of visible columns
* @returns {int} i the number of visible columns
* @param {object} oS dataTables settings object
* @memberof DataTable#oApi
*/
function _fnVisbleColumns( oS )
{
var iVis = 0;
for ( var i=0 ; i<oS.aoColumns.length ; i++ )
{
if ( oS.aoColumns[i].bVisible === true )
{
iVis++;
}
}
return iVis;
}
/**
* Get the sort type based on an input string
* @param {string} sData data we wish to know the type of
* @returns {string} type (defaults to 'string' if no type can be detected)
* @memberof DataTable#oApi
*/
function _fnDetectType( sData )
{
var aTypes = DataTable.ext.aTypes;
var iLen = aTypes.length;
for ( var i=0 ; i<iLen ; i++ )
{
var sType = aTypes[i]( sData );
if ( sType !== null )
{
return sType;
}
}
return 'string';
}
/**
* Figure out how to reorder a display list
* @param {object} oSettings dataTables settings object
* @returns array {int} aiReturn index list for reordering
* @memberof DataTable#oApi
*/
function _fnReOrderIndex ( oSettings, sColumns )
{
var aColumns = sColumns.split(',');
var aiReturn = [];
for ( var i=0, iLen=oSettings.aoColumns.length ; i<iLen ; i++ )
{
for ( var j=0 ; j<iLen ; j++ )
{
if ( oSettings.aoColumns[i].sName == aColumns[j] )
{
aiReturn.push( j );
break;
}
}
}
return aiReturn;
}
/**
* Get the column ordering that DataTables expects
* @param {object} oSettings dataTables settings object
* @returns {string} comma separated list of names
* @memberof DataTable#oApi
*/
function _fnColumnOrdering ( oSettings )
{
var sNames = '';
for ( var i=0, iLen=oSettings.aoColumns.length ; i<iLen ; i++ )
{
sNames += oSettings.aoColumns[i].sName+',';
}
if ( sNames.length == iLen )
{
return "";
}
return sNames.slice(0, -1);
}
/**
* Take the column definitions and static columns arrays and calculate how
* they relate to column indexes. The callback function will then apply the
* definition found for a column to a suitable configuration object.
* @param {object} oSettings dataTables settings object
* @param {array} aoColDefs The aoColumnDefs array that is to be applied
* @param {array} aoCols The aoColumns array that defines columns individually
* @param {function} fn Callback function - takes two parameters, the calculated
* column index and the definition for that column.
* @memberof DataTable#oApi
*/
function _fnApplyColumnDefs( oSettings, aoColDefs, aoCols, fn )
{
var i, iLen, j, jLen, k, kLen;
// Column definitions with aTargets
if ( aoColDefs )
{
/* Loop over the definitions array - loop in reverse so first instance has priority */
for ( i=aoColDefs.length-1 ; i>=0 ; i-- )
{
/* Each definition can target multiple columns, as it is an array */
var aTargets = aoColDefs[i].aTargets;
if ( !$.isArray( aTargets ) )
{
_fnLog( oSettings, 1, 'aTargets must be an array of targets, not a '+(typeof aTargets) );
}
for ( j=0, jLen=aTargets.length ; j<jLen ; j++ )
{
if ( typeof aTargets[j] === 'number' && aTargets[j] >= 0 )
{
/* Add columns that we don't yet know about */
while( oSettings.aoColumns.length <= aTargets[j] )
{
_fnAddColumn( oSettings );
}
/* Integer, basic index */
fn( aTargets[j], aoColDefs[i] );
}
else if ( typeof aTargets[j] === 'number' && aTargets[j] < 0 )
{
/* Negative integer, right to left column counting */
fn( oSettings.aoColumns.length+aTargets[j], aoColDefs[i] );
}
else if ( typeof aTargets[j] === 'string' )
{
/* Class name matching on TH element */
for ( k=0, kLen=oSettings.aoColumns.length ; k<kLen ; k++ )
{
if ( aTargets[j] == "_all" ||
$(oSettings.aoColumns[k].nTh).hasClass( aTargets[j] ) )
{
fn( k, aoColDefs[i] );
}
}
}
}
}
}
// Statically defined columns array
if ( aoCols )
{
for ( i=0, iLen=aoCols.length ; i<iLen ; i++ )
{
fn( i, aoCols[i] );
}
}
}
/**
* Add a data array to the table, creating DOM node etc. This is the parallel to
* _fnGatherData, but for adding rows from a Javascript source, rather than a
* DOM source.
* @param {object} oSettings dataTables settings object
* @param {array} aData data array to be added
* @returns {int} >=0 if successful (index of new aoData entry), -1 if failed
* @memberof DataTable#oApi
*/
function _fnAddData ( oSettings, aDataSupplied )
{
var oCol;
/* Take an independent copy of the data source so we can bash it about as we wish */
var aDataIn = ($.isArray(aDataSupplied)) ?
aDataSupplied.slice() :
$.extend( true, {}, aDataSupplied );
/* Create the object for storing information about this new row */
var iRow = oSettings.aoData.length;
var oData = $.extend( true, {}, DataTable.models.oRow, {
"_aData": aDataIn
} );
oSettings.aoData.push( oData );
/* Create the cells */
var nTd, sThisType;
for ( var i=0, iLen=oSettings.aoColumns.length ; i<iLen ; i++ )
{
oCol = oSettings.aoColumns[i];
/* Use rendered data for filtering/sorting */
if ( typeof oCol.fnRender === 'function' && oCol.bUseRendered && oCol.mDataProp !== null )
{
_fnSetCellData( oSettings, iRow, i, _fnRender(oSettings, iRow, i) );
}
/* See if we should auto-detect the column type */
if ( oCol._bAutoType && oCol.sType != 'string' )
{
/* Attempt to auto detect the type - same as _fnGatherData() */
var sVarType = _fnGetCellData( oSettings, iRow, i, 'type' );
if ( sVarType !== null && sVarType !== '' )
{
sThisType = _fnDetectType( sVarType );
if ( oCol.sType === null )
{
oCol.sType = sThisType;
}
else if ( oCol.sType != sThisType && oCol.sType != "html" )
{
/* String is always the 'fallback' option */
oCol.sType = 'string';
}
}
}
}
/* Add to the display array */
oSettings.aiDisplayMaster.push( iRow );
/* Create the DOM imformation */
if ( !oSettings.oFeatures.bDeferRender )
{
_fnCreateTr( oSettings, iRow );
}
return iRow;
}
/**
* Read in the data from the target table from the DOM
* @param {object} oSettings dataTables settings object
* @memberof DataTable#oApi
*/
function _fnGatherData( oSettings )
{
var iLoop, i, iLen, j, jLen, jInner,
nTds, nTrs, nTd, aLocalData, iThisIndex,
iRow, iRows, iColumn, iColumns, sNodeName,
oCol, oData;
/*
* Process by row first
* Add the data object for the whole table - storing the tr node. Note - no point in getting
* DOM based data if we are going to go and replace it with Ajax source data.
*/
if ( oSettings.bDeferLoading || oSettings.sAjaxSource === null )
{
nTrs = oSettings.nTBody.childNodes;
for ( i=0, iLen=nTrs.length ; i<iLen ; i++ )
{
if ( nTrs[i].nodeName.toUpperCase() == "TR" )
{
iThisIndex = oSettings.aoData.length;
nTrs[i]._DT_RowIndex = iThisIndex;
oSettings.aoData.push( $.extend( true, {}, DataTable.models.oRow, {
"nTr": nTrs[i]
} ) );
oSettings.aiDisplayMaster.push( iThisIndex );
nTds = nTrs[i].childNodes;
jInner = 0;
for ( j=0, jLen=nTds.length ; j<jLen ; j++ )
{
sNodeName = nTds[j].nodeName.toUpperCase();
if ( sNodeName == "TD" || sNodeName == "TH" )
{
_fnSetCellData( oSettings, iThisIndex, jInner, $.trim(nTds[j].innerHTML) );
jInner++;
}
}
}
}
}
/* Gather in the TD elements of the Table - note that this is basically the same as
* fnGetTdNodes, but that function takes account of hidden columns, which we haven't yet
* setup!
*/
nTrs = _fnGetTrNodes( oSettings );
nTds = [];
for ( i=0, iLen=nTrs.length ; i<iLen ; i++ )
{
for ( j=0, jLen=nTrs[i].childNodes.length ; j<jLen ; j++ )
{
nTd = nTrs[i].childNodes[j];
sNodeName = nTd.nodeName.toUpperCase();
if ( sNodeName == "TD" || sNodeName == "TH" )
{
nTds.push( nTd );
}
}
}
/* Now process by column */
for ( iColumn=0, iColumns=oSettings.aoColumns.length ; iColumn<iColumns ; iColumn++ )
{
oCol = oSettings.aoColumns[iColumn];
/* Get the title of the column - unless there is a user set one */
if ( oCol.sTitle === null )
{
oCol.sTitle = oCol.nTh.innerHTML;
}
var
bAutoType = oCol._bAutoType,
bRender = typeof oCol.fnRender === 'function',
bClass = oCol.sClass !== null,
bVisible = oCol.bVisible,
nCell, sThisType, sRendered, sValType;
/* A single loop to rule them all (and be more efficient) */
if ( bAutoType || bRender || bClass || !bVisible )
{
for ( iRow=0, iRows=oSettings.aoData.length ; iRow<iRows ; iRow++ )
{
oData = oSettings.aoData[iRow];
nCell = nTds[ (iRow*iColumns) + iColumn ];
/* Type detection */
if ( bAutoType && oCol.sType != 'string' )
{
sValType = _fnGetCellData( oSettings, iRow, iColumn, 'type' );
if ( sValType !== '' )
{
sThisType = _fnDetectType( sValType );
if ( oCol.sType === null )
{
oCol.sType = sThisType;
}
else if ( oCol.sType != sThisType &&
oCol.sType != "html" )
{
/* String is always the 'fallback' option */
oCol.sType = 'string';
}
}
}
if ( typeof oCol.mDataProp === 'function' )
{
nCell.innerHTML = _fnGetCellData( oSettings, iRow, iColumn, 'display' );
}
/* Rendering */
if ( bRender )
{
sRendered = _fnRender( oSettings, iRow, iColumn );
nCell.innerHTML = sRendered;
if ( oCol.bUseRendered )
{
/* Use the rendered data for filtering/sorting */
_fnSetCellData( oSettings, iRow, iColumn, sRendered );
}
}
/* Classes */
if ( bClass )
{
nCell.className += ' '+oCol.sClass;
}
/* Column visability */
if ( !bVisible )
{
oData._anHidden[iColumn] = nCell;
nCell.parentNode.removeChild( nCell );
}
else
{
oData._anHidden[iColumn] = null;
}
if ( oCol.fnCreatedCell )
{
oCol.fnCreatedCell.call( oSettings.oInstance,
nCell, _fnGetCellData( oSettings, iRow, iColumn, 'display' ), oData._aData, iRow, iColumn
);
}
}
}
}
/* Row created callbacks */
if ( oSettings.aoRowCreatedCallback.length !== 0 )
{
for ( i=0, iLen=oSettings.aoData.length ; i<iLen ; i++ )
{
oData = oSettings.aoData[i];
_fnCallbackFire( oSettings, 'aoRowCreatedCallback', null, [oData.nTr, oData._aData, i] );
}
}
}
/**
* Take a TR element and convert it to an index in aoData
* @param {object} oSettings dataTables settings object
* @param {node} n the TR element to find
* @returns {int} index if the node is found, null if not
* @memberof DataTable#oApi
*/
function _fnNodeToDataIndex( oSettings, n )
{
return (n._DT_RowIndex!==undefined) ? n._DT_RowIndex : null;
}
/**
* Take a TD element and convert it into a column data index (not the visible index)
* @param {object} oSettings dataTables settings object
* @param {int} iRow The row number the TD/TH can be found in
* @param {node} n The TD/TH element to find
* @returns {int} index if the node is found, -1 if not
* @memberof DataTable#oApi
*/
function _fnNodeToColumnIndex( oSettings, iRow, n )
{
var anCells = _fnGetTdNodes( oSettings, iRow );
for ( var i=0, iLen=oSettings.aoColumns.length ; i<iLen ; i++ )
{
if ( anCells[i] === n )
{
return i;
}
}
return -1;
}
/**
* Get an array of data for a given row from the internal data cache
* @param {object} oSettings dataTables settings object
* @param {int} iRow aoData row id
* @param {string} sSpecific data get type ('type' 'filter' 'sort')
* @returns {array} Data array
* @memberof DataTable#oApi
*/
function _fnGetRowData( oSettings, iRow, sSpecific )
{
var out = [];
for ( var i=0, iLen=oSettings.aoColumns.length ; i<iLen ; i++ )
{
out.push( _fnGetCellData( oSettings, iRow, i, sSpecific ) );
}
return out;
}
/**
* Get the data for a given cell from the internal cache, taking into account data mapping
* @param {object} oSettings dataTables settings object
* @param {int} iRow aoData row id
* @param {int} iCol Column index
* @param {string} sSpecific data get type ('display', 'type' 'filter' 'sort')
* @returns {*} Cell data
* @memberof DataTable#oApi
*/
function _fnGetCellData( oSettings, iRow, iCol, sSpecific )
{
var sData;
var oCol = oSettings.aoColumns[iCol];
var oData = oSettings.aoData[iRow]._aData;
if ( (sData=oCol.fnGetData( oData, sSpecific )) === undefined )
{
if ( oSettings.iDrawError != oSettings.iDraw && oCol.sDefaultContent === null )
{
_fnLog( oSettings, 0, "Requested unknown parameter '"+oCol.mDataProp+
"' from the data source for row "+iRow );
oSettings.iDrawError = oSettings.iDraw;
}
return oCol.sDefaultContent;
}
/* When the data source is null, we can use default column data */
if ( sData === null && oCol.sDefaultContent !== null )
{
sData = oCol.sDefaultContent;
}
else if ( typeof sData === 'function' )
{
/* If the data source is a function, then we run it and use the return */
return sData();
}
if ( sSpecific == 'display' && sData === null )
{
return '';
}
return sData;
}
/**
* Set the value for a specific cell, into the internal data cache
* @param {object} oSettings dataTables settings object
* @param {int} iRow aoData row id
* @param {int} iCol Column index
* @param {*} val Value to set
* @memberof DataTable#oApi
*/
function _fnSetCellData( oSettings, iRow, iCol, val )
{
var oCol = oSettings.aoColumns[iCol];
var oData = oSettings.aoData[iRow]._aData;
oCol.fnSetData( oData, val );
}
/**
* Return a function that can be used to get data from a source object, taking
* into account the ability to use nested objects as a source
* @param {string|int|function} mSource The data source for the object
* @returns {function} Data get function
* @memberof DataTable#oApi
*/
function _fnGetObjectDataFn( mSource )
{
if ( mSource === null )
{
/* Give an empty string for rendering / sorting etc */
return function (data, type) {
return null;
};
}
else if ( typeof mSource === 'function' )
{
return function (data, type) {
return mSource( data, type );
};
}
else if ( typeof mSource === 'string' && mSource.indexOf('.') != -1 )
{
/* If there is a . in the source string then the data source is in a
* nested object so we loop over the data for each level to get the next
* level down. On each loop we test for undefined, and if found immediatly
* return. This allows entire objects to be missing and sDefaultContent to
* be used if defined, rather than throwing an error
*/
var a = mSource.split('.');
return function (data, type) {
for ( var i=0, iLen=a.length ; i<iLen ; i++ )
{
data = data[ a[i] ];
if ( data === undefined )
{
return undefined;
}
}
return data;
};
}
else
{
/* Array or flat object mapping */
return function (data, type) {
return data[mSource];
};
}
}
/**
* Return a function that can be used to set data from a source object, taking
* into account the ability to use nested objects as a source
* @param {string|int|function} mSource The data source for the object
* @returns {function} Data set function
* @memberof DataTable#oApi
*/
function _fnSetObjectDataFn( mSource )
{
if ( mSource === null )
{
/* Nothing to do when the data source is null */
return function (data, val) {};
}
else if ( typeof mSource === 'function' )
{
return function (data, val) {
mSource( data, 'set', val );
};
}
else if ( typeof mSource === 'string' && mSource.indexOf('.') != -1 )
{
/* Like the get, we need to get data from a nested object. */
var a = mSource.split('.');
return function (data, val) {
for ( var i=0, iLen=a.length-1 ; i<iLen ; i++ )
{
data = data[ a[i] ];
}
data[ a[a.length-1] ] = val;
};
}
else
{
/* Array or flat object mapping */
return function (data, val) {
data[mSource] = val;
};
}
}
/**
* Return an array with the full table data
* @param {object} oSettings dataTables settings object
* @returns array {array} aData Master data array
* @memberof DataTable#oApi
*/
function _fnGetDataMaster ( oSettings )
{
var aData = [];
var iLen = oSettings.aoData.length;
for ( var i=0 ; i<iLen; i++ )
{
aData.push( oSettings.aoData[i]._aData );
}
return aData;
}
/**
* Nuke the table
* @param {object} oSettings dataTables settings object
* @memberof DataTable#oApi
*/
function _fnClearTable( oSettings )
{
oSettings.aoData.splice( 0, oSettings.aoData.length );
oSettings.aiDisplayMaster.splice( 0, oSettings.aiDisplayMaster.length );
oSettings.aiDisplay.splice( 0, oSettings.aiDisplay.length );
_fnCalculateEnd( oSettings );
}
/**
* Take an array of integers (index array) and remove a target integer (value - not
* the key!)
* @param {array} a Index array to target
* @param {int} iTarget value to find
* @memberof DataTable#oApi
*/
function _fnDeleteIndex( a, iTarget )
{
var iTargetIndex = -1;
for ( var i=0, iLen=a.length ; i<iLen ; i++ )
{
if ( a[i] == iTarget )
{
iTargetIndex = i;
}
else if ( a[i] > iTarget )
{
a[i]--;
}
}
if ( iTargetIndex != -1 )
{
a.splice( iTargetIndex, 1 );
}
}
/**
* Call the developer defined fnRender function for a given cell (row/column) with
* the required parameters and return the result.
* @param {object} oSettings dataTables settings object
* @param {int} iRow aoData index for the row
* @param {int} iCol aoColumns index for the column
* @returns {*} Return of the developer's fnRender function
* @memberof DataTable#oApi
*/
function _fnRender( oSettings, iRow, iCol )
{
var oCol = oSettings.aoColumns[iCol];
return oCol.fnRender( {
"iDataRow": iRow,
"iDataColumn": iCol,
"oSettings": oSettings,
"aData": oSettings.aoData[iRow]._aData,
"mDataProp": oCol.mDataProp
}, _fnGetCellData(oSettings, iRow, iCol, 'display') );
}
/**
* Create a new TR element (and it's TD children) for a row
* @param {object} oSettings dataTables settings object
* @param {int} iRow Row to consider
* @memberof DataTable#oApi
*/
function _fnCreateTr ( oSettings, iRow )
{
var oData = oSettings.aoData[iRow];
var nTd;
if ( oData.nTr === null )
{
oData.nTr = document.createElement('tr');
/* Use a private property on the node to allow reserve mapping from the node
* to the aoData array for fast look up
*/
oData.nTr._DT_RowIndex = iRow;
/* Special parameters can be given by the data source to be used on the row */
if ( oData._aData.DT_RowId )
{
oData.nTr.id = oData._aData.DT_RowId;
}
if ( oData._aData.DT_RowClass )
{
$(oData.nTr).addClass( oData._aData.DT_RowClass );
}
/* Process each column */
for ( var i=0, iLen=oSettings.aoColumns.length ; i<iLen ; i++ )
{
var oCol = oSettings.aoColumns[i];
nTd = document.createElement('td');
/* Render if needed - if bUseRendered is true then we already have the rendered
* value in the data source - so can just use that
*/
nTd.innerHTML = (typeof oCol.fnRender === 'function' && (!oCol.bUseRendered || oCol.mDataProp === null)) ?
_fnRender( oSettings, iRow, i ) :
_fnGetCellData( oSettings, iRow, i, 'display' );
/* Add user defined class */
if ( oCol.sClass !== null )
{
nTd.className = oCol.sClass;
}
if ( oCol.bVisible )
{
oData.nTr.appendChild( nTd );
oData._anHidden[i] = null;
}
else
{
oData._anHidden[i] = nTd;
}
if ( oCol.fnCreatedCell )
{
oCol.fnCreatedCell.call( oSettings.oInstance,
nTd, _fnGetCellData( oSettings, iRow, i, 'display' ), oData._aData, iRow, i
);
}
}
_fnCallbackFire( oSettings, 'aoRowCreatedCallback', null, [oData.nTr, oData._aData, iRow] );
}
}
/**
* Create the HTML header for the table
* @param {object} oSettings dataTables settings object
* @memberof DataTable#oApi
*/
function _fnBuildHead( oSettings )
{
var i, nTh, iLen, j, jLen;
var iThs = oSettings.nTHead.getElementsByTagName('th').length;
var iCorrector = 0;
var jqChildren;
/* If there is a header in place - then use it - otherwise it's going to get nuked... */
if ( iThs !== 0 )
{
/* We've got a thead from the DOM, so remove hidden columns and apply width to vis cols */
for ( i=0, iLen=oSettings.aoColumns.length ; i<iLen ; i++ )
{
nTh = oSettings.aoColumns[i].nTh;
nTh.setAttribute('role', 'columnheader');
if ( oSettings.aoColumns[i].bSortable )
{
nTh.setAttribute('tabindex', oSettings.iTabIndex);
nTh.setAttribute('aria-controls', oSettings.sTableId);
}
if ( oSettings.aoColumns[i].sClass !== null )
{
$(nTh).addClass( oSettings.aoColumns[i].sClass );
}
/* Set the title of the column if it is user defined (not what was auto detected) */
if ( oSettings.aoColumns[i].sTitle != nTh.innerHTML )
{
nTh.innerHTML = oSettings.aoColumns[i].sTitle;
}
}
}
else
{
/* We don't have a header in the DOM - so we are going to have to create one */
var nTr = document.createElement( "tr" );
for ( i=0, iLen=oSettings.aoColumns.length ; i<iLen ; i++ )
{
nTh = oSettings.aoColumns[i].nTh;
nTh.innerHTML = oSettings.aoColumns[i].sTitle;
nTh.setAttribute('tabindex', '0');
if ( oSettings.aoColumns[i].sClass !== null )
{
$(nTh).addClass( oSettings.aoColumns[i].sClass );
}
nTr.appendChild( nTh );
}
$(oSettings.nTHead).html( '' )[0].appendChild( nTr );
_fnDetectHeader( oSettings.aoHeader, oSettings.nTHead );
}
/* ARIA role for the rows */
$(oSettings.nTHead).children('tr').attr('role', 'row');
/* Add the extra markup needed by jQuery UI's themes */
if ( oSettings.bJUI )
{
for ( i=0, iLen=oSettings.aoColumns.length ; i<iLen ; i++ )
{
nTh = oSettings.aoColumns[i].nTh;
var nDiv = document.createElement('div');
nDiv.className = oSettings.oClasses.sSortJUIWrapper;
$(nTh).contents().appendTo(nDiv);
var nSpan = document.createElement('span');
nSpan.className = oSettings.oClasses.sSortIcon;
nDiv.appendChild( nSpan );
nTh.appendChild( nDiv );
}
}
if ( oSettings.oFeatures.bSort )
{
for ( i=0 ; i<oSettings.aoColumns.length ; i++ )
{
if ( oSettings.aoColumns[i].bSortable !== false )
{
_fnSortAttachListener( oSettings, oSettings.aoColumns[i].nTh, i );
}
else
{
$(oSettings.aoColumns[i].nTh).addClass( oSettings.oClasses.sSortableNone );
}
}
}
/* Deal with the footer - add classes if required */
if ( oSettings.oClasses.sFooterTH !== "" )
{
$(oSettings.nTFoot).children('tr').children('th').addClass( oSettings.oClasses.sFooterTH );
}
/* Cache the footer elements */
if ( oSettings.nTFoot !== null )
{
var anCells = _fnGetUniqueThs( oSettings, null, oSettings.aoFooter );
for ( i=0, iLen=oSettings.aoColumns.length ; i<iLen ; i++ )
{
if ( anCells[i] )
{
oSettings.aoColumns[i].nTf = anCells[i];
if ( oSettings.aoColumns[i].sClass )
{
$(anCells[i]).addClass( oSettings.aoColumns[i].sClass );
}
}
}
}
}
/**
* Draw the header (or footer) element based on the column visibility states. The
* methodology here is to use the layout array from _fnDetectHeader, modified for
* the instantaneous column visibility, to construct the new layout. The grid is
* traversed over cell at a time in a rows x columns grid fashion, although each
* cell insert can cover multiple elements in the grid - which is tracks using the
* aApplied array. Cell inserts in the grid will only occur where there isn't
* already a cell in that position.
* @param {object} oSettings dataTables settings object
* @param array {objects} aoSource Layout array from _fnDetectHeader
* @param {boolean} [bIncludeHidden=false] If true then include the hidden columns in the calc,
* @memberof DataTable#oApi
*/
function _fnDrawHead( oSettings, aoSource, bIncludeHidden )
{
var i, iLen, j, jLen, k, kLen, n, nLocalTr;
var aoLocal = [];
var aApplied = [];
var iColumns = oSettings.aoColumns.length;
var iRowspan, iColspan;
if ( bIncludeHidden === undefined )
{
bIncludeHidden = false;
}
/* Make a copy of the master layout array, but without the visible columns in it */
for ( i=0, iLen=aoSource.length ; i<iLen ; i++ )
{
aoLocal[i] = aoSource[i].slice();
aoLocal[i].nTr = aoSource[i].nTr;
/* Remove any columns which are currently hidden */
for ( j=iColumns-1 ; j>=0 ; j-- )
{
if ( !oSettings.aoColumns[j].bVisible && !bIncludeHidden )
{
aoLocal[i].splice( j, 1 );
}
}
/* Prep the applied array - it needs an element for each row */
aApplied.push( [] );
}
for ( i=0, iLen=aoLocal.length ; i<iLen ; i++ )
{
nLocalTr = aoLocal[i].nTr;
/* All cells are going to be replaced, so empty out the row */
if ( nLocalTr )
{
while( (n = nLocalTr.firstChild) )
{
nLocalTr.removeChild( n );
}
}
for ( j=0, jLen=aoLocal[i].length ; j<jLen ; j++ )
{
iRowspan = 1;
iColspan = 1;
/* Check to see if there is already a cell (row/colspan) covering our target
* insert point. If there is, then there is nothing to do.
*/
if ( aApplied[i][j] === undefined )
{
nLocalTr.appendChild( aoLocal[i][j].cell );
aApplied[i][j] = 1;
/* Expand the cell to cover as many rows as needed */
while ( aoLocal[i+iRowspan] !== undefined &&
aoLocal[i][j].cell == aoLocal[i+iRowspan][j].cell )
{
aApplied[i+iRowspan][j] = 1;
iRowspan++;
}
/* Expand the cell to cover as many columns as needed */
while ( aoLocal[i][j+iColspan] !== undefined &&
aoLocal[i][j].cell == aoLocal[i][j+iColspan].cell )
{
/* Must update the applied array over the rows for the columns */
for ( k=0 ; k<iRowspan ; k++ )
{
aApplied[i+k][j+iColspan] = 1;
}
iColspan++;
}
/* Do the actual expansion in the DOM */
aoLocal[i][j].cell.rowSpan = iRowspan;
aoLocal[i][j].cell.colSpan = iColspan;
}
}
}
}
/**
* Insert the required TR nodes into the table for display
* @param {object} oSettings dataTables settings object
* @memberof DataTable#oApi
*/
function _fnDraw( oSettings )
{
var i, iLen, n;
var anRows = [];
var iRowCount = 0;
var iStripes = oSettings.asStripeClasses.length;
var iOpenRows = oSettings.aoOpenRows.length;
/* Provide a pre-callback function which can be used to cancel the draw is false is returned */
var aPreDraw = _fnCallbackFire( oSettings, 'aoPreDrawCallback', 'preDraw', [oSettings] );
if ( $.inArray( false, aPreDraw ) !== -1 )
{
return;
}
oSettings.bDrawing = true;
/* Check and see if we have an initial draw position from state saving */
if ( oSettings.iInitDisplayStart !== undefined && oSettings.iInitDisplayStart != -1 )
{
if ( oSettings.oFeatures.bServerSide )
{
oSettings._iDisplayStart = oSettings.iInitDisplayStart;
}
else
{
oSettings._iDisplayStart = (oSettings.iInitDisplayStart >= oSettings.fnRecordsDisplay()) ?
0 : oSettings.iInitDisplayStart;
}
oSettings.iInitDisplayStart = -1;
_fnCalculateEnd( oSettings );
}
/* Server-side processing draw intercept */
if ( oSettings.bDeferLoading )
{
oSettings.bDeferLoading = false;
oSettings.iDraw++;
}
else if ( !oSettings.oFeatures.bServerSide )
{
oSettings.iDraw++;
}
else if ( !oSettings.bDestroying && !_fnAjaxUpdate( oSettings ) )
{
return;
}
if ( oSettings.aiDisplay.length !== 0 )
{
var iStart = oSettings._iDisplayStart;
var iEnd = oSettings._iDisplayEnd;
if ( oSettings.oFeatures.bServerSide )
{
iStart = 0;
iEnd = oSettings.aoData.length;
}
for ( var j=iStart ; j<iEnd ; j++ )
{
var aoData = oSettings.aoData[ oSettings.aiDisplay[j] ];
if ( aoData.nTr === null )
{
_fnCreateTr( oSettings, oSettings.aiDisplay[j] );
}
var nRow = aoData.nTr;
/* Remove the old striping classes and then add the new one */
if ( iStripes !== 0 )
{
var sStripe = oSettings.asStripeClasses[ iRowCount % iStripes ];
if ( aoData._sRowStripe != sStripe )
{
$(nRow).removeClass( aoData._sRowStripe ).addClass( sStripe );
aoData._sRowStripe = sStripe;
}
}
/* Row callback functions - might want to manipule the row */
_fnCallbackFire( oSettings, 'aoRowCallback', null,
[nRow, oSettings.aoData[ oSettings.aiDisplay[j] ]._aData, iRowCount, j] );
anRows.push( nRow );
iRowCount++;
/* If there is an open row - and it is attached to this parent - attach it on redraw */
if ( iOpenRows !== 0 )
{
for ( var k=0 ; k<iOpenRows ; k++ )
{
if ( nRow == oSettings.aoOpenRows[k].nParent )
{
anRows.push( oSettings.aoOpenRows[k].nTr );
break;
}
}
}
}
}
else
{
/* Table is empty - create a row with an empty message in it */
anRows[ 0 ] = document.createElement( 'tr' );
if ( oSettings.asStripeClasses[0] )
{
anRows[ 0 ].className = oSettings.asStripeClasses[0];
}
var sZero = oSettings.oLanguage.sZeroRecords.replace(
'_MAX_', oSettings.fnFormatNumber(oSettings.fnRecordsTotal()) );
if ( oSettings.iDraw == 1 && oSettings.sAjaxSource !== null && !oSettings.oFeatures.bServerSide )
{
sZero = oSettings.oLanguage.sLoadingRecords;
}
else if ( oSettings.oLanguage.sEmptyTable && oSettings.fnRecordsTotal() === 0 )
{
sZero = oSettings.oLanguage.sEmptyTable;
}
var nTd = document.createElement( 'td' );
nTd.setAttribute( 'valign', "top" );
nTd.colSpan = _fnVisbleColumns( oSettings );
nTd.className = oSettings.oClasses.sRowEmpty;
nTd.innerHTML = sZero;
anRows[ iRowCount ].appendChild( nTd );
}
/* Header and footer callbacks */
_fnCallbackFire( oSettings, 'aoHeaderCallback', 'header', [ $(oSettings.nTHead).children('tr')[0],
_fnGetDataMaster( oSettings ), oSettings._iDisplayStart, oSettings.fnDisplayEnd(), oSettings.aiDisplay ] );
_fnCallbackFire( oSettings, 'aoFooterCallback', 'footer', [ $(oSettings.nTFoot).children('tr')[0],
_fnGetDataMaster( oSettings ), oSettings._iDisplayStart, oSettings.fnDisplayEnd(), oSettings.aiDisplay ] );
/*
* Need to remove any old row from the display - note we can't just empty the tbody using
* $().html('') since this will unbind the jQuery event handlers (even although the node
* still exists!) - equally we can't use innerHTML, since IE throws an exception.
*/
var
nAddFrag = document.createDocumentFragment(),
nRemoveFrag = document.createDocumentFragment(),
nBodyPar, nTrs;
if ( oSettings.nTBody )
{
nBodyPar = oSettings.nTBody.parentNode;
nRemoveFrag.appendChild( oSettings.nTBody );
/* When doing infinite scrolling, only remove child rows when sorting, filtering or start
* up. When not infinite scroll, always do it.
*/
if ( !oSettings.oScroll.bInfinite || !oSettings._bInitComplete ||
oSettings.bSorted || oSettings.bFiltered )
{
while( (n = oSettings.nTBody.firstChild) )
{
oSettings.nTBody.removeChild( n );
}
}
/* Put the draw table into the dom */
for ( i=0, iLen=anRows.length ; i<iLen ; i++ )
{
nAddFrag.appendChild( anRows[i] );
}
oSettings.nTBody.appendChild( nAddFrag );
if ( nBodyPar !== null )
{
nBodyPar.appendChild( oSettings.nTBody );
}
}
/* Call all required callback functions for the end of a draw */
_fnCallbackFire( oSettings, 'aoDrawCallback', 'draw', [oSettings] );
/* Draw is complete, sorting and filtering must be as well */
oSettings.bSorted = false;
oSettings.bFiltered = false;
oSettings.bDrawing = false;
if ( oSettings.oFeatures.bServerSide )
{
_fnProcessingDisplay( oSettings, false );
if ( !oSettings._bInitComplete )
{
_fnInitComplete( oSettings );
}
}
}
/**
* Redraw the table - taking account of the various features which are enabled
* @param {object} oSettings dataTables settings object
* @memberof DataTable#oApi
*/
function _fnReDraw( oSettings )
{
if ( oSettings.oFeatures.bSort )
{
/* Sorting will refilter and draw for us */
_fnSort( oSettings, oSettings.oPreviousSearch );
}
else if ( oSettings.oFeatures.bFilter )
{
/* Filtering will redraw for us */
_fnFilterComplete( oSettings, oSettings.oPreviousSearch );
}
else
{
_fnCalculateEnd( oSettings );
_fnDraw( oSettings );
}
}
/**
* Add the options to the page HTML for the table
* @param {object} oSettings dataTables settings object
* @memberof DataTable#oApi
*/
function _fnAddOptionsHtml ( oSettings )
{
/*
* Create a temporary, empty, div which we can later on replace with what we have generated
* we do it this way to rendering the 'options' html offline - speed :-)
*/
var nHolding = $('<div></div>')[0];
oSettings.nTable.parentNode.insertBefore( nHolding, oSettings.nTable );
/*
* All DataTables are wrapped in a div
*/
oSettings.nTableWrapper = $('<div id="'+oSettings.sTableId+'_wrapper" class="'+oSettings.oClasses.sWrapper+'" role="grid"></div>')[0];
oSettings.nTableReinsertBefore = oSettings.nTable.nextSibling;
/* Track where we want to insert the option */
var nInsertNode = oSettings.nTableWrapper;
/* Loop over the user set positioning and place the elements as needed */
var aDom = oSettings.sDom.split('');
var nTmp, iPushFeature, cOption, nNewNode, cNext, sAttr, j;
for ( var i=0 ; i<aDom.length ; i++ )
{
iPushFeature = 0;
cOption = aDom[i];
if ( cOption == '<' )
{
/* New container div */
nNewNode = $('<div></div>')[0];
/* Check to see if we should append an id and/or a class name to the container */
cNext = aDom[i+1];
if ( cNext == "'" || cNext == '"' )
{
sAttr = "";
j = 2;
while ( aDom[i+j] != cNext )
{
sAttr += aDom[i+j];
j++;
}
/* Replace jQuery UI constants */
if ( sAttr == "H" )
{
sAttr = "fg-toolbar ui-toolbar ui-widget-header ui-corner-tl ui-corner-tr ui-helper-clearfix";
}
else if ( sAttr == "F" )
{
sAttr = "fg-toolbar ui-toolbar ui-widget-header ui-corner-bl ui-corner-br ui-helper-clearfix";
}
/* The attribute can be in the format of "#id.class", "#id" or "class" This logic
* breaks the string into parts and applies them as needed
*/
if ( sAttr.indexOf('.') != -1 )
{
var aSplit = sAttr.split('.');
nNewNode.id = aSplit[0].substr(1, aSplit[0].length-1);
nNewNode.className = aSplit[1];
}
else if ( sAttr.charAt(0) == "#" )
{
nNewNode.id = sAttr.substr(1, sAttr.length-1);
}
else
{
nNewNode.className = sAttr;
}
i += j; /* Move along the position array */
}
nInsertNode.appendChild( nNewNode );
nInsertNode = nNewNode;
}
else if ( cOption == '>' )
{
/* End container div */
nInsertNode = nInsertNode.parentNode;
}
else if ( cOption == 'l' && oSettings.oFeatures.bPaginate && oSettings.oFeatures.bLengthChange )
{
/* Length */
nTmp = _fnFeatureHtmlLength( oSettings );
iPushFeature = 1;
}
else if ( cOption == 'f' && oSettings.oFeatures.bFilter )
{
/* Filter */
nTmp = _fnFeatureHtmlFilter( oSettings );
iPushFeature = 1;
}
else if ( cOption == 'r' && oSettings.oFeatures.bProcessing )
{
/* pRocessing */
nTmp = _fnFeatureHtmlProcessing( oSettings );
iPushFeature = 1;
}
else if ( cOption == 't' )
{
/* Table */
nTmp = _fnFeatureHtmlTable( oSettings );
iPushFeature = 1;
}
else if ( cOption == 'i' && oSettings.oFeatures.bInfo )
{
/* Info */
nTmp = _fnFeatureHtmlInfo( oSettings );
iPushFeature = 1;
}
else if ( cOption == 'p' && oSettings.oFeatures.bPaginate )
{
/* Pagination */
nTmp = _fnFeatureHtmlPaginate( oSettings );
iPushFeature = 1;
}
else if ( DataTable.ext.aoFeatures.length !== 0 )
{
/* Plug-in features */
var aoFeatures = DataTable.ext.aoFeatures;
for ( var k=0, kLen=aoFeatures.length ; k<kLen ; k++ )
{
if ( cOption == aoFeatures[k].cFeature )
{
nTmp = aoFeatures[k].fnInit( oSettings );
if ( nTmp )
{
iPushFeature = 1;
}
break;
}
}
}
/* Add to the 2D features array */
if ( iPushFeature == 1 && nTmp !== null )
{
if ( typeof oSettings.aanFeatures[cOption] !== 'object' )
{
oSettings.aanFeatures[cOption] = [];
}
oSettings.aanFeatures[cOption].push( nTmp );
nInsertNode.appendChild( nTmp );
}
}
/* Built our DOM structure - replace the holding div with what we want */
nHolding.parentNode.replaceChild( oSettings.nTableWrapper, nHolding );
}
/**
* Use the DOM source to create up an array of header cells. The idea here is to
* create a layout grid (array) of rows x columns, which contains a reference
* to the cell that that point in the grid (regardless of col/rowspan), such that
* any column / row could be removed and the new grid constructed
* @param array {object} aLayout Array to store the calculated layout in
* @param {node} nThead The header/footer element for the table
* @memberof DataTable#oApi
*/
function _fnDetectHeader ( aLayout, nThead )
{
var nTrs = $(nThead).children('tr');
var nCell;
var i, j, k, l, iLen, jLen, iColShifted;
var fnShiftCol = function ( a, i, j ) {
while ( a[i][j] ) {
j++;
}
return j;
};
aLayout.splice( 0, aLayout.length );
/* We know how many rows there are in the layout - so prep it */
for ( i=0, iLen=nTrs.length ; i<iLen ; i++ )
{
aLayout.push( [] );
}
/* Calculate a layout array */
for ( i=0, iLen=nTrs.length ; i<iLen ; i++ )
{
var iColumn = 0;
/* For every cell in the row... */
for ( j=0, jLen=nTrs[i].childNodes.length ; j<jLen ; j++ )
{
nCell = nTrs[i].childNodes[j];
if ( nCell.nodeName.toUpperCase() == "TD" ||
nCell.nodeName.toUpperCase() == "TH" )
{
/* Get the col and rowspan attributes from the DOM and sanitise them */
var iColspan = nCell.getAttribute('colspan') * 1;
var iRowspan = nCell.getAttribute('rowspan') * 1;
iColspan = (!iColspan || iColspan===0 || iColspan===1) ? 1 : iColspan;
iRowspan = (!iRowspan || iRowspan===0 || iRowspan===1) ? 1 : iRowspan;
/* There might be colspan cells already in this row, so shift our target
* accordingly
*/
iColShifted = fnShiftCol( aLayout, i, iColumn );
/* If there is col / rowspan, copy the information into the layout grid */
for ( l=0 ; l<iColspan ; l++ )
{
for ( k=0 ; k<iRowspan ; k++ )
{
aLayout[i+k][iColShifted+l] = {
"cell": nCell,
"unique": iColspan == 1 ? true : false
};
aLayout[i+k].nTr = nTrs[i];
}
}
}
}
}
}
/**
* Get an array of unique th elements, one for each column
* @param {object} oSettings dataTables settings object
* @param {node} nHeader automatically detect the layout from this node - optional
* @param {array} aLayout thead/tfoot layout from _fnDetectHeader - optional
* @returns array {node} aReturn list of unique ths
* @memberof DataTable#oApi
*/
function _fnGetUniqueThs ( oSettings, nHeader, aLayout )
{
var aReturn = [];
if ( !aLayout )
{
aLayout = oSettings.aoHeader;
if ( nHeader )
{
aLayout = [];
_fnDetectHeader( aLayout, nHeader );
}
}
for ( var i=0, iLen=aLayout.length ; i<iLen ; i++ )
{
for ( var j=0, jLen=aLayout[i].length ; j<jLen ; j++ )
{
if ( aLayout[i][j].unique &&
(!aReturn[j] || !oSettings.bSortCellsTop) )
{
aReturn[j] = aLayout[i][j].cell;
}
}
}
return aReturn;
}
/**
* Update the table using an Ajax call
* @param {object} oSettings dataTables settings object
* @returns {boolean} Block the table drawing or not
* @memberof DataTable#oApi
*/
function _fnAjaxUpdate( oSettings )
{
if ( oSettings.bAjaxDataGet )
{
oSettings.iDraw++;
_fnProcessingDisplay( oSettings, true );
var iColumns = oSettings.aoColumns.length;
var aoData = _fnAjaxParameters( oSettings );
_fnServerParams( oSettings, aoData );
oSettings.fnServerData.call( oSettings.oInstance, oSettings.sAjaxSource, aoData,
function(json) {
_fnAjaxUpdateDraw( oSettings, json );
}, oSettings );
return false;
}
else
{
return true;
}
}
/**
* Build up the parameters in an object needed for a server-side processing request
* @param {object} oSettings dataTables settings object
* @returns {bool} block the table drawing or not
* @memberof DataTable#oApi
*/
function _fnAjaxParameters( oSettings )
{
var iColumns = oSettings.aoColumns.length;
var aoData = [], mDataProp;
var i;
aoData.push( { "name": "sEcho", "value": oSettings.iDraw } );
aoData.push( { "name": "iColumns", "value": iColumns } );
aoData.push( { "name": "sColumns", "value": _fnColumnOrdering(oSettings) } );
aoData.push( { "name": "iDisplayStart", "value": oSettings._iDisplayStart } );
aoData.push( { "name": "iDisplayLength", "value": oSettings.oFeatures.bPaginate !== false ?
oSettings._iDisplayLength : -1 } );
for ( i=0 ; i<iColumns ; i++ )
{
mDataProp = oSettings.aoColumns[i].mDataProp;
aoData.push( { "name": "mDataProp_"+i, "value": typeof(mDataProp)==="function" ? 'function' : mDataProp } );
}
/* Filtering */
if ( oSettings.oFeatures.bFilter !== false )
{
aoData.push( { "name": "sSearch", "value": oSettings.oPreviousSearch.sSearch } );
aoData.push( { "name": "bRegex", "value": oSettings.oPreviousSearch.bRegex } );
for ( i=0 ; i<iColumns ; i++ )
{
aoData.push( { "name": "sSearch_"+i, "value": oSettings.aoPreSearchCols[i].sSearch } );
aoData.push( { "name": "bRegex_"+i, "value": oSettings.aoPreSearchCols[i].bRegex } );
aoData.push( { "name": "bSearchable_"+i, "value": oSettings.aoColumns[i].bSearchable } );
}
}
/* Sorting */
if ( oSettings.oFeatures.bSort !== false )
{
var iFixed = oSettings.aaSortingFixed !== null ? oSettings.aaSortingFixed.length : 0;
var iUser = oSettings.aaSorting.length;
aoData.push( { "name": "iSortingCols", "value": iFixed+iUser } );
for ( i=0 ; i<iFixed ; i++ )
{
aoData.push( { "name": "iSortCol_"+i, "value": oSettings.aaSortingFixed[i][0] } );
aoData.push( { "name": "sSortDir_"+i, "value": oSettings.aaSortingFixed[i][1] } );
}
for ( i=0 ; i<iUser ; i++ )
{
aoData.push( { "name": "iSortCol_"+(i+iFixed), "value": oSettings.aaSorting[i][0] } );
aoData.push( { "name": "sSortDir_"+(i+iFixed), "value": oSettings.aaSorting[i][1] } );
}
for ( i=0 ; i<iColumns ; i++ )
{
aoData.push( { "name": "bSortable_"+i, "value": oSettings.aoColumns[i].bSortable } );
}
}
return aoData;
}
/**
* Add Ajax parameters from plugins
* @param {object} oSettings dataTables settings object
* @param array {objects} aoData name/value pairs to send to the server
* @memberof DataTable#oApi
*/
function _fnServerParams( oSettings, aoData )
{
_fnCallbackFire( oSettings, 'aoServerParams', 'serverParams', [aoData] );
}
/**
* Data the data from the server (nuking the old) and redraw the table
* @param {object} oSettings dataTables settings object
* @param {object} json json data return from the server.
* @param {string} json.sEcho Tracking flag for DataTables to match requests
* @param {int} json.iTotalRecords Number of records in the data set, not accounting for filtering
* @param {int} json.iTotalDisplayRecords Number of records in the data set, accounting for filtering
* @param {array} json.aaData The data to display on this page
* @param {string} [json.sColumns] Column ordering (sName, comma separated)
* @memberof DataTable#oApi
*/
function _fnAjaxUpdateDraw ( oSettings, json )
{
if ( json.sEcho !== undefined )
{
/* Protect against old returns over-writing a new one. Possible when you get
* very fast interaction, and later queires are completed much faster
*/
if ( json.sEcho*1 < oSettings.iDraw )
{
return;
}
else
{
oSettings.iDraw = json.sEcho * 1;
}
}
if ( !oSettings.oScroll.bInfinite ||
(oSettings.oScroll.bInfinite && (oSettings.bSorted || oSettings.bFiltered)) )
{
_fnClearTable( oSettings );
}
oSettings._iRecordsTotal = parseInt(json.iTotalRecords, 10);
oSettings._iRecordsDisplay = parseInt(json.iTotalDisplayRecords, 10);
/* Determine if reordering is required */
var sOrdering = _fnColumnOrdering(oSettings);
var bReOrder = (json.sColumns !== undefined && sOrdering !== "" && json.sColumns != sOrdering );
var aiIndex;
if ( bReOrder )
{
aiIndex = _fnReOrderIndex( oSettings, json.sColumns );
}
var aData = _fnGetObjectDataFn( oSettings.sAjaxDataProp )( json );
for ( var i=0, iLen=aData.length ; i<iLen ; i++ )
{
if ( bReOrder )
{
/* If we need to re-order, then create a new array with the correct order and add it */
var aDataSorted = [];
for ( var j=0, jLen=oSettings.aoColumns.length ; j<jLen ; j++ )
{
aDataSorted.push( aData[i][ aiIndex[j] ] );
}
_fnAddData( oSettings, aDataSorted );
}
else
{
/* No re-order required, sever got it "right" - just straight add */
_fnAddData( oSettings, aData[i] );
}
}
oSettings.aiDisplay = oSettings.aiDisplayMaster.slice();
oSettings.bAjaxDataGet = false;
_fnDraw( oSettings );
oSettings.bAjaxDataGet = true;
_fnProcessingDisplay( oSettings, false );
}
/**
* Generate the node required for filtering text
* @returns {node} Filter control element
* @param {object} oSettings dataTables settings object
* @memberof DataTable#oApi
*/
function _fnFeatureHtmlFilter ( oSettings )
{
var oPreviousSearch = oSettings.oPreviousSearch;
var sSearchStr = oSettings.oLanguage.sSearch;
sSearchStr = (sSearchStr.indexOf('_INPUT_') !== -1) ?
sSearchStr.replace('_INPUT_', '<input type="text" />') :
sSearchStr==="" ? '<input type="text" />' : sSearchStr+' <input type="text" />';
var nFilter = document.createElement( 'div' );
nFilter.className = oSettings.oClasses.sFilter;
nFilter.innerHTML = '<label>'+sSearchStr+'</label>';
if ( !oSettings.aanFeatures.f )
{
nFilter.id = oSettings.sTableId+'_filter';
}
var jqFilter = $("input", nFilter);
jqFilter.val( oPreviousSearch.sSearch.replace('"','&quot;') );
jqFilter.bind( 'keyup.DT', function(e) {
/* Update all other filter input elements for the new display */
var n = oSettings.aanFeatures.f;
for ( var i=0, iLen=n.length ; i<iLen ; i++ )
{
if ( n[i] != $(this).parents('div.dataTables_filter')[0] )
{
$('input', n[i]).val( this.value );
}
}
/* Now do the filter */
if ( this.value != oPreviousSearch.sSearch )
{
_fnFilterComplete( oSettings, {
"sSearch": this.value,
"bRegex": oPreviousSearch.bRegex,
"bSmart": oPreviousSearch.bSmart ,
"bCaseInsensitive": oPreviousSearch.bCaseInsensitive
} );
}
} );
jqFilter
.attr('aria-controls', oSettings.sTableId)
.bind( 'keypress.DT', function(e) {
/* Prevent form submission */
if ( e.keyCode == 13 )
{
return false;
}
}
);
return nFilter;
}
/**
* Filter the table using both the global filter and column based filtering
* @param {object} oSettings dataTables settings object
* @param {object} oSearch search information
* @param {int} [iForce] force a research of the master array (1) or not (undefined or 0)
* @memberof DataTable#oApi
*/
function _fnFilterComplete ( oSettings, oInput, iForce )
{
var oPrevSearch = oSettings.oPreviousSearch;
var aoPrevSearch = oSettings.aoPreSearchCols;
var fnSaveFilter = function ( oFilter ) {
/* Save the filtering values */
oPrevSearch.sSearch = oFilter.sSearch;
oPrevSearch.bRegex = oFilter.bRegex;
oPrevSearch.bSmart = oFilter.bSmart;
oPrevSearch.bCaseInsensitive = oFilter.bCaseInsensitive;
};
/* In server-side processing all filtering is done by the server, so no point hanging around here */
if ( !oSettings.oFeatures.bServerSide )
{
/* Global filter */
_fnFilter( oSettings, oInput.sSearch, iForce, oInput.bRegex, oInput.bSmart, oInput.bCaseInsensitive );
fnSaveFilter( oInput );
/* Now do the individual column filter */
for ( var i=0 ; i<oSettings.aoPreSearchCols.length ; i++ )
{
_fnFilterColumn( oSettings, aoPrevSearch[i].sSearch, i, aoPrevSearch[i].bRegex,
aoPrevSearch[i].bSmart, aoPrevSearch[i].bCaseInsensitive );
}
/* Custom filtering */
_fnFilterCustom( oSettings );
}
else
{
fnSaveFilter( oInput );
}
/* Tell the draw function we have been filtering */
oSettings.bFiltered = true;
$(oSettings.oInstance).trigger('filter', oSettings);
/* Redraw the table */
oSettings._iDisplayStart = 0;
_fnCalculateEnd( oSettings );
_fnDraw( oSettings );
/* Rebuild search array 'offline' */
_fnBuildSearchArray( oSettings, 0 );
}
/**
* Apply custom filtering functions
* @param {object} oSettings dataTables settings object
* @memberof DataTable#oApi
*/
function _fnFilterCustom( oSettings )
{
var afnFilters = DataTable.ext.afnFiltering;
for ( var i=0, iLen=afnFilters.length ; i<iLen ; i++ )
{
var iCorrector = 0;
for ( var j=0, jLen=oSettings.aiDisplay.length ; j<jLen ; j++ )
{
var iDisIndex = oSettings.aiDisplay[j-iCorrector];
/* Check if we should use this row based on the filtering function */
if ( !afnFilters[i]( oSettings, _fnGetRowData( oSettings, iDisIndex, 'filter' ), iDisIndex ) )
{
oSettings.aiDisplay.splice( j-iCorrector, 1 );
iCorrector++;
}
}
}
}
/**
* Filter the table on a per-column basis
* @param {object} oSettings dataTables settings object
* @param {string} sInput string to filter on
* @param {int} iColumn column to filter
* @param {bool} bRegex treat search string as a regular expression or not
* @param {bool} bSmart use smart filtering or not
* @param {bool} bCaseInsensitive Do case insenstive matching or not
* @memberof DataTable#oApi
*/
function _fnFilterColumn ( oSettings, sInput, iColumn, bRegex, bSmart, bCaseInsensitive )
{
if ( sInput === "" )
{
return;
}
var iIndexCorrector = 0;
var rpSearch = _fnFilterCreateSearch( sInput, bRegex, bSmart, bCaseInsensitive );
for ( var i=oSettings.aiDisplay.length-1 ; i>=0 ; i-- )
{
var sData = _fnDataToSearch( _fnGetCellData( oSettings, oSettings.aiDisplay[i], iColumn, 'filter' ),
oSettings.aoColumns[iColumn].sType );
if ( ! rpSearch.test( sData ) )
{
oSettings.aiDisplay.splice( i, 1 );
iIndexCorrector++;
}
}
}
/**
* Filter the data table based on user input and draw the table
* @param {object} oSettings dataTables settings object
* @param {string} sInput string to filter on
* @param {int} iForce optional - force a research of the master array (1) or not (undefined or 0)
* @param {bool} bRegex treat as a regular expression or not
* @param {bool} bSmart perform smart filtering or not
* @param {bool} bCaseInsensitive Do case insenstive matching or not
* @memberof DataTable#oApi
*/
function _fnFilter( oSettings, sInput, iForce, bRegex, bSmart, bCaseInsensitive )
{
var i;
var rpSearch = _fnFilterCreateSearch( sInput, bRegex, bSmart, bCaseInsensitive );
var oPrevSearch = oSettings.oPreviousSearch;
/* Check if we are forcing or not - optional parameter */
if ( !iForce )
{
iForce = 0;
}
/* Need to take account of custom filtering functions - always filter */
if ( DataTable.ext.afnFiltering.length !== 0 )
{
iForce = 1;
}
/*
* If the input is blank - we want the full data set
*/
if ( sInput.length <= 0 )
{
oSettings.aiDisplay.splice( 0, oSettings.aiDisplay.length);
oSettings.aiDisplay = oSettings.aiDisplayMaster.slice();
}
else
{
/*
* We are starting a new search or the new search string is smaller
* then the old one (i.e. delete). Search from the master array
*/
if ( oSettings.aiDisplay.length == oSettings.aiDisplayMaster.length ||
oPrevSearch.sSearch.length > sInput.length || iForce == 1 ||
sInput.indexOf(oPrevSearch.sSearch) !== 0 )
{
/* Nuke the old display array - we are going to rebuild it */
oSettings.aiDisplay.splice( 0, oSettings.aiDisplay.length);
/* Force a rebuild of the search array */
_fnBuildSearchArray( oSettings, 1 );
/* Search through all records to populate the search array
* The the oSettings.aiDisplayMaster and asDataSearch arrays have 1 to 1
* mapping
*/
for ( i=0 ; i<oSettings.aiDisplayMaster.length ; i++ )
{
if ( rpSearch.test(oSettings.asDataSearch[i]) )
{
oSettings.aiDisplay.push( oSettings.aiDisplayMaster[i] );
}
}
}
else
{
/* Using old search array - refine it - do it this way for speed
* Don't have to search the whole master array again
*/
var iIndexCorrector = 0;
/* Search the current results */
for ( i=0 ; i<oSettings.asDataSearch.length ; i++ )
{
if ( ! rpSearch.test(oSettings.asDataSearch[i]) )
{
oSettings.aiDisplay.splice( i-iIndexCorrector, 1 );
iIndexCorrector++;
}
}
}
}
}
/**
* Create an array which can be quickly search through
* @param {object} oSettings dataTables settings object
* @param {int} iMaster use the master data array - optional
* @memberof DataTable#oApi
*/
function _fnBuildSearchArray ( oSettings, iMaster )
{
if ( !oSettings.oFeatures.bServerSide )
{
/* Clear out the old data */
oSettings.asDataSearch.splice( 0, oSettings.asDataSearch.length );
var aArray = (iMaster && iMaster===1) ?
oSettings.aiDisplayMaster : oSettings.aiDisplay;
for ( var i=0, iLen=aArray.length ; i<iLen ; i++ )
{
oSettings.asDataSearch[i] = _fnBuildSearchRow( oSettings,
_fnGetRowData( oSettings, aArray[i], 'filter' ) );
}
}
}
/**
* Create a searchable string from a single data row
* @param {object} oSettings dataTables settings object
* @param {array} aData Row data array to use for the data to search
* @memberof DataTable#oApi
*/
function _fnBuildSearchRow( oSettings, aData )
{
var sSearch = '';
if ( oSettings.__nTmpFilter === undefined )
{
oSettings.__nTmpFilter = document.createElement('div');
}
var nTmp = oSettings.__nTmpFilter;
for ( var j=0, jLen=oSettings.aoColumns.length ; j<jLen ; j++ )
{
if ( oSettings.aoColumns[j].bSearchable )
{
var sData = aData[j];
sSearch += _fnDataToSearch( sData, oSettings.aoColumns[j].sType )+' ';
}
}
/* If it looks like there is an HTML entity in the string, attempt to decode it */
if ( sSearch.indexOf('&') !== -1 )
{
nTmp.innerHTML = sSearch;
sSearch = nTmp.textContent ? nTmp.textContent : nTmp.innerText;
/* IE and Opera appear to put an newline where there is a <br> tag - remove it */
sSearch = sSearch.replace(/\n/g," ").replace(/\r/g,"");
}
return sSearch;
}
/**
* Build a regular expression object suitable for searching a table
* @param {string} sSearch string to search for
* @param {bool} bRegex treat as a regular expression or not
* @param {bool} bSmart perform smart filtering or not
* @param {bool} bCaseInsensitive Do case insenstive matching or not
* @returns {RegExp} constructed object
* @memberof DataTable#oApi
*/
function _fnFilterCreateSearch( sSearch, bRegex, bSmart, bCaseInsensitive )
{
var asSearch, sRegExpString;
if ( bSmart )
{
/* Generate the regular expression to use. Something along the lines of:
* ^(?=.*?\bone\b)(?=.*?\btwo\b)(?=.*?\bthree\b).*$
*/
asSearch = bRegex ? sSearch.split( ' ' ) : _fnEscapeRegex( sSearch ).split( ' ' );
sRegExpString = '^(?=.*?'+asSearch.join( ')(?=.*?' )+').*$';
return new RegExp( sRegExpString, bCaseInsensitive ? "i" : "" );
}
else
{
sSearch = bRegex ? sSearch : _fnEscapeRegex( sSearch );
return new RegExp( sSearch, bCaseInsensitive ? "i" : "" );
}
}
/**
* Convert raw data into something that the user can search on
* @param {string} sData data to be modified
* @param {string} sType data type
* @returns {string} search string
* @memberof DataTable#oApi
*/
function _fnDataToSearch ( sData, sType )
{
if ( typeof DataTable.ext.ofnSearch[sType] === "function" )
{
return DataTable.ext.ofnSearch[sType]( sData );
}
else if ( sType == "html" )
{
return sData.replace(/[\r\n]/g," ").replace( /<.*?>/g, "" );
}
else if ( typeof sData === "string" )
{
return sData.replace(/[\r\n]/g," ");
}
else if ( sData === null )
{
return '';
}
return sData;
}
/**
* scape a string stuch that it can be used in a regular expression
* @param {string} sVal string to escape
* @returns {string} escaped string
* @memberof DataTable#oApi
*/
function _fnEscapeRegex ( sVal )
{
var acEscape = [ '/', '.', '*', '+', '?', '|', '(', ')', '[', ']', '{', '}', '\\', '$', '^' ];
var reReplace = new RegExp( '(\\' + acEscape.join('|\\') + ')', 'g' );
return sVal.replace(reReplace, '\\$1');
}
/**
* Generate the node required for the info display
* @param {object} oSettings dataTables settings object
* @returns {node} Information element
* @memberof DataTable#oApi
*/
function _fnFeatureHtmlInfo ( oSettings )
{
var nInfo = document.createElement( 'div' );
nInfo.className = oSettings.oClasses.sInfo;
/* Actions that are to be taken once only for this feature */
if ( !oSettings.aanFeatures.i )
{
/* Add draw callback */
oSettings.aoDrawCallback.push( {
"fn": _fnUpdateInfo,
"sName": "information"
} );
/* Add id */
nInfo.id = oSettings.sTableId+'_info';
}
oSettings.nTable.setAttribute( 'aria-describedby', oSettings.sTableId+'_info' );
return nInfo;
}
/**
* Update the information elements in the display
* @param {object} oSettings dataTables settings object
* @memberof DataTable#oApi
*/
function _fnUpdateInfo ( oSettings )
{
/* Show information about the table */
if ( !oSettings.oFeatures.bInfo || oSettings.aanFeatures.i.length === 0 )
{
return;
}
var
iStart = oSettings._iDisplayStart+1, iEnd = oSettings.fnDisplayEnd(),
iMax = oSettings.fnRecordsTotal(), iTotal = oSettings.fnRecordsDisplay(),
sStart = oSettings.fnFormatNumber( iStart ), sEnd = oSettings.fnFormatNumber( iEnd ),
sMax = oSettings.fnFormatNumber( iMax ), sTotal = oSettings.fnFormatNumber( iTotal ),
sOut;
/* When infinite scrolling, we are always starting at 1. _iDisplayStart is used only
* internally
*/
if ( oSettings.oScroll.bInfinite )
{
sStart = oSettings.fnFormatNumber( 1 );
}
if ( oSettings.fnRecordsDisplay() === 0 &&
oSettings.fnRecordsDisplay() == oSettings.fnRecordsTotal() )
{
/* Empty record set */
sOut = oSettings.oLanguage.sInfoEmpty+ oSettings.oLanguage.sInfoPostFix;
}
else if ( oSettings.fnRecordsDisplay() === 0 )
{
/* Rmpty record set after filtering */
sOut = oSettings.oLanguage.sInfoEmpty +' '+
oSettings.oLanguage.sInfoFiltered.replace('_MAX_', sMax)+
oSettings.oLanguage.sInfoPostFix;
}
else if ( oSettings.fnRecordsDisplay() == oSettings.fnRecordsTotal() )
{
/* Normal record set */
sOut = oSettings.oLanguage.sInfo.
replace('_START_', sStart).
replace('_END_', sEnd).
replace('_TOTAL_', sTotal)+
oSettings.oLanguage.sInfoPostFix;
}
else
{
/* Record set after filtering */
sOut = oSettings.oLanguage.sInfo.
replace('_START_', sStart).
replace('_END_', sEnd).
replace('_TOTAL_', sTotal) +' '+
oSettings.oLanguage.sInfoFiltered.replace('_MAX_',
oSettings.fnFormatNumber(oSettings.fnRecordsTotal()))+
oSettings.oLanguage.sInfoPostFix;
}
if ( oSettings.oLanguage.fnInfoCallback !== null )
{
sOut = oSettings.oLanguage.fnInfoCallback.call( oSettings.oInstance,
oSettings, iStart, iEnd, iMax, iTotal, sOut );
}
var n = oSettings.aanFeatures.i;
for ( var i=0, iLen=n.length ; i<iLen ; i++ )
{
$(n[i]).html( sOut );
}
}
/**
* Draw the table for the first time, adding all required features
* @param {object} oSettings dataTables settings object
* @memberof DataTable#oApi
*/
function _fnInitialise ( oSettings )
{
var i, iLen, iAjaxStart=oSettings.iInitDisplayStart;
/* Ensure that the table data is fully initialised */
if ( oSettings.bInitialised === false )
{
setTimeout( function(){ _fnInitialise( oSettings ); }, 200 );
return;
}
/* Show the display HTML options */
_fnAddOptionsHtml( oSettings );
/* Build and draw the header / footer for the table */
_fnBuildHead( oSettings );
_fnDrawHead( oSettings, oSettings.aoHeader );
if ( oSettings.nTFoot )
{
_fnDrawHead( oSettings, oSettings.aoFooter );
}
/* Okay to show that something is going on now */
_fnProcessingDisplay( oSettings, true );
/* Calculate sizes for columns */
if ( oSettings.oFeatures.bAutoWidth )
{
_fnCalculateColumnWidths( oSettings );
}
for ( i=0, iLen=oSettings.aoColumns.length ; i<iLen ; i++ )
{
if ( oSettings.aoColumns[i].sWidth !== null )
{
oSettings.aoColumns[i].nTh.style.width = _fnStringToCss( oSettings.aoColumns[i].sWidth );
}
}
/* If there is default sorting required - let's do it. The sort function will do the
* drawing for us. Otherwise we draw the table regardless of the Ajax source - this allows
* the table to look initialised for Ajax sourcing data (show 'loading' message possibly)
*/
if ( oSettings.oFeatures.bSort )
{
_fnSort( oSettings );
}
else if ( oSettings.oFeatures.bFilter )
{
_fnFilterComplete( oSettings, oSettings.oPreviousSearch );
}
else
{
oSettings.aiDisplay = oSettings.aiDisplayMaster.slice();
_fnCalculateEnd( oSettings );
_fnDraw( oSettings );
}
/* if there is an ajax source load the data */
if ( oSettings.sAjaxSource !== null && !oSettings.oFeatures.bServerSide )
{
var aoData = [];
_fnServerParams( oSettings, aoData );
oSettings.fnServerData.call( oSettings.oInstance, oSettings.sAjaxSource, aoData, function(json) {
var aData = (oSettings.sAjaxDataProp !== "") ?
_fnGetObjectDataFn( oSettings.sAjaxDataProp )(json) : json;
/* Got the data - add it to the table */
for ( i=0 ; i<aData.length ; i++ )
{
_fnAddData( oSettings, aData[i] );
}
/* Reset the init display for cookie saving. We've already done a filter, and
* therefore cleared it before. So we need to make it appear 'fresh'
*/
oSettings.iInitDisplayStart = iAjaxStart;
if ( oSettings.oFeatures.bSort )
{
_fnSort( oSettings );
}
else
{
oSettings.aiDisplay = oSettings.aiDisplayMaster.slice();
_fnCalculateEnd( oSettings );
_fnDraw( oSettings );
}
_fnProcessingDisplay( oSettings, false );
_fnInitComplete( oSettings, json );
}, oSettings );
return;
}
/* Server-side processing initialisation complete is done at the end of _fnDraw */
if ( !oSettings.oFeatures.bServerSide )
{
_fnProcessingDisplay( oSettings, false );
_fnInitComplete( oSettings );
}
}
/**
* Draw the table for the first time, adding all required features
* @param {object} oSettings dataTables settings object
* @param {object} [json] JSON from the server that completed the table, if using Ajax source
* with client-side processing (optional)
* @memberof DataTable#oApi
*/
function _fnInitComplete ( oSettings, json )
{
oSettings._bInitComplete = true;
_fnCallbackFire( oSettings, 'aoInitComplete', 'init', [oSettings, json] );
}
/**
* Language compatibility - when certain options are given, and others aren't, we
* need to duplicate the values over, in order to provide backwards compatibility
* with older language files.
* @param {object} oSettings dataTables settings object
* @memberof DataTable#oApi
*/
function _fnLanguageCompat( oLanguage )
{
/* Backwards compatibility - if there is no sEmptyTable given, then use the same as
* sZeroRecords - assuming that is given.
*/
if ( !oLanguage.sEmptyTable && oLanguage.sZeroRecords )
{
_fnMap( oLanguage, oLanguage, 'sZeroRecords', 'sEmptyTable' );
}
/* Likewise with loading records */
if ( !oLanguage.sLoadingRecords && oLanguage.sZeroRecords )
{
_fnMap( oLanguage, oLanguage, 'sZeroRecords', 'sLoadingRecords' );
}
}
/**
* Generate the node required for user display length changing
* @param {object} oSettings dataTables settings object
* @returns {node} Display length feature node
* @memberof DataTable#oApi
*/
function _fnFeatureHtmlLength ( oSettings )
{
if ( oSettings.oScroll.bInfinite )
{
return null;
}
/* This can be overruled by not using the _MENU_ var/macro in the language variable */
var sName = 'name="'+oSettings.sTableId+'_length"';
var sStdMenu = '<select size="1" '+sName+'>';
var i, iLen;
var aLengthMenu = oSettings.aLengthMenu;
if ( aLengthMenu.length == 2 && typeof aLengthMenu[0] === 'object' &&
typeof aLengthMenu[1] === 'object' )
{
for ( i=0, iLen=aLengthMenu[0].length ; i<iLen ; i++ )
{
sStdMenu += '<option value="'+aLengthMenu[0][i]+'">'+aLengthMenu[1][i]+'</option>';
}
}
else
{
for ( i=0, iLen=aLengthMenu.length ; i<iLen ; i++ )
{
sStdMenu += '<option value="'+aLengthMenu[i]+'">'+aLengthMenu[i]+'</option>';
}
}
sStdMenu += '</select>';
var nLength = document.createElement( 'div' );
if ( !oSettings.aanFeatures.l )
{
nLength.id = oSettings.sTableId+'_length';
}
nLength.className = oSettings.oClasses.sLength;
nLength.innerHTML = '<label>'+oSettings.oLanguage.sLengthMenu.replace( '_MENU_', sStdMenu )+'</label>';
/*
* Set the length to the current display length - thanks to Andrea Pavlovic for this fix,
* and Stefan Skopnik for fixing the fix!
*/
$('select option[value="'+oSettings._iDisplayLength+'"]', nLength).attr("selected", true);
$('select', nLength).bind( 'change.DT', function(e) {
var iVal = $(this).val();
/* Update all other length options for the new display */
var n = oSettings.aanFeatures.l;
for ( i=0, iLen=n.length ; i<iLen ; i++ )
{
if ( n[i] != this.parentNode )
{
$('select', n[i]).val( iVal );
}
}
/* Redraw the table */
oSettings._iDisplayLength = parseInt(iVal, 10);
_fnCalculateEnd( oSettings );
/* If we have space to show extra rows (backing up from the end point - then do so */
if ( oSettings.fnDisplayEnd() == oSettings.fnRecordsDisplay() )
{
oSettings._iDisplayStart = oSettings.fnDisplayEnd() - oSettings._iDisplayLength;
if ( oSettings._iDisplayStart < 0 )
{
oSettings._iDisplayStart = 0;
}
}
if ( oSettings._iDisplayLength == -1 )
{
oSettings._iDisplayStart = 0;
}
_fnDraw( oSettings );
} );
$('select', nLength).attr('aria-controls', oSettings.sTableId);
return nLength;
}
/**
* Rcalculate the end point based on the start point
* @param {object} oSettings dataTables settings object
* @memberof DataTable#oApi
*/
function _fnCalculateEnd( oSettings )
{
if ( oSettings.oFeatures.bPaginate === false )
{
oSettings._iDisplayEnd = oSettings.aiDisplay.length;
}
else
{
/* Set the end point of the display - based on how many elements there are
* still to display
*/
if ( oSettings._iDisplayStart + oSettings._iDisplayLength > oSettings.aiDisplay.length ||
oSettings._iDisplayLength == -1 )
{
oSettings._iDisplayEnd = oSettings.aiDisplay.length;
}
else
{
oSettings._iDisplayEnd = oSettings._iDisplayStart + oSettings._iDisplayLength;
}
}
}
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Note that most of the paging logic is done in
* DataTable.ext.oPagination
*/
/**
* Generate the node required for default pagination
* @param {object} oSettings dataTables settings object
* @returns {node} Pagination feature node
* @memberof DataTable#oApi
*/
function _fnFeatureHtmlPaginate ( oSettings )
{
if ( oSettings.oScroll.bInfinite )
{
return null;
}
var nPaginate = document.createElement( 'div' );
nPaginate.className = oSettings.oClasses.sPaging+oSettings.sPaginationType;
DataTable.ext.oPagination[ oSettings.sPaginationType ].fnInit( oSettings, nPaginate,
function( oSettings ) {
_fnCalculateEnd( oSettings );
_fnDraw( oSettings );
}
);
/* Add a draw callback for the pagination on first instance, to update the paging display */
if ( !oSettings.aanFeatures.p )
{
oSettings.aoDrawCallback.push( {
"fn": function( oSettings ) {
DataTable.ext.oPagination[ oSettings.sPaginationType ].fnUpdate( oSettings, function( oSettings ) {
_fnCalculateEnd( oSettings );
_fnDraw( oSettings );
} );
},
"sName": "pagination"
} );
}
return nPaginate;
}
/**
* Alter the display settings to change the page
* @param {object} oSettings dataTables settings object
* @param {string|int} mAction Paging action to take: "first", "previous", "next" or "last"
* or page number to jump to (integer)
* @returns {bool} true page has changed, false - no change (no effect) eg 'first' on page 1
* @memberof DataTable#oApi
*/
function _fnPageChange ( oSettings, mAction )
{
var iOldStart = oSettings._iDisplayStart;
if ( typeof mAction === "number" )
{
oSettings._iDisplayStart = mAction * oSettings._iDisplayLength;
if ( oSettings._iDisplayStart > oSettings.fnRecordsDisplay() )
{
oSettings._iDisplayStart = 0;
}
}
else if ( mAction == "first" )
{
oSettings._iDisplayStart = 0;
}
else if ( mAction == "previous" )
{
oSettings._iDisplayStart = oSettings._iDisplayLength>=0 ?
oSettings._iDisplayStart - oSettings._iDisplayLength :
0;
/* Correct for underrun */
if ( oSettings._iDisplayStart < 0 )
{
oSettings._iDisplayStart = 0;
}
}
else if ( mAction == "next" )
{
if ( oSettings._iDisplayLength >= 0 )
{
/* Make sure we are not over running the display array */
if ( oSettings._iDisplayStart + oSettings._iDisplayLength < oSettings.fnRecordsDisplay() )
{
oSettings._iDisplayStart += oSettings._iDisplayLength;
}
}
else
{
oSettings._iDisplayStart = 0;
}
}
else if ( mAction == "last" )
{
if ( oSettings._iDisplayLength >= 0 )
{
var iPages = parseInt( (oSettings.fnRecordsDisplay()-1) / oSettings._iDisplayLength, 10 ) + 1;
oSettings._iDisplayStart = (iPages-1) * oSettings._iDisplayLength;
}
else
{
oSettings._iDisplayStart = 0;
}
}
else
{
_fnLog( oSettings, 0, "Unknown paging action: "+mAction );
}
$(oSettings.oInstance).trigger('page', oSettings);
return iOldStart != oSettings._iDisplayStart;
}
/**
* Generate the node required for the processing node
* @param {object} oSettings dataTables settings object
* @returns {node} Processing element
* @memberof DataTable#oApi
*/
function _fnFeatureHtmlProcessing ( oSettings )
{
var nProcessing = document.createElement( 'div' );
if ( !oSettings.aanFeatures.r )
{
nProcessing.id = oSettings.sTableId+'_processing';
}
nProcessing.innerHTML = oSettings.oLanguage.sProcessing;
nProcessing.className = oSettings.oClasses.sProcessing;
oSettings.nTable.parentNode.insertBefore( nProcessing, oSettings.nTable );
return nProcessing;
}
/**
* Display or hide the processing indicator
* @param {object} oSettings dataTables settings object
* @param {bool} bShow Show the processing indicator (true) or not (false)
* @memberof DataTable#oApi
*/
function _fnProcessingDisplay ( oSettings, bShow )
{
if ( oSettings.oFeatures.bProcessing )
{
var an = oSettings.aanFeatures.r;
for ( var i=0, iLen=an.length ; i<iLen ; i++ )
{
an[i].style.visibility = bShow ? "visible" : "hidden";
}
}
$(oSettings.oInstance).trigger('processing', [oSettings, bShow]);
}
/**
* Add any control elements for the table - specifically scrolling
* @param {object} oSettings dataTables settings object
* @returns {node} Node to add to the DOM
* @memberof DataTable#oApi
*/
function _fnFeatureHtmlTable ( oSettings )
{
/* Check if scrolling is enabled or not - if not then leave the DOM unaltered */
if ( oSettings.oScroll.sX === "" && oSettings.oScroll.sY === "" )
{
return oSettings.nTable;
}
/*
* The HTML structure that we want to generate in this function is:
* div - nScroller
* div - nScrollHead
* div - nScrollHeadInner
* table - nScrollHeadTable
* thead - nThead
* div - nScrollBody
* table - oSettings.nTable
* thead - nTheadSize
* tbody - nTbody
* div - nScrollFoot
* div - nScrollFootInner
* table - nScrollFootTable
* tfoot - nTfoot
*/
var
nScroller = document.createElement('div'),
nScrollHead = document.createElement('div'),
nScrollHeadInner = document.createElement('div'),
nScrollBody = document.createElement('div'),
nScrollFoot = document.createElement('div'),
nScrollFootInner = document.createElement('div'),
nScrollHeadTable = oSettings.nTable.cloneNode(false),
nScrollFootTable = oSettings.nTable.cloneNode(false),
nThead = oSettings.nTable.getElementsByTagName('thead')[0],
nTfoot = oSettings.nTable.getElementsByTagName('tfoot').length === 0 ? null :
oSettings.nTable.getElementsByTagName('tfoot')[0],
oClasses = oSettings.oClasses;
nScrollHead.appendChild( nScrollHeadInner );
nScrollFoot.appendChild( nScrollFootInner );
nScrollBody.appendChild( oSettings.nTable );
nScroller.appendChild( nScrollHead );
nScroller.appendChild( nScrollBody );
nScrollHeadInner.appendChild( nScrollHeadTable );
nScrollHeadTable.appendChild( nThead );
if ( nTfoot !== null )
{
nScroller.appendChild( nScrollFoot );
nScrollFootInner.appendChild( nScrollFootTable );
nScrollFootTable.appendChild( nTfoot );
}
nScroller.className = oClasses.sScrollWrapper;
nScrollHead.className = oClasses.sScrollHead;
nScrollHeadInner.className = oClasses.sScrollHeadInner;
nScrollBody.className = oClasses.sScrollBody;
nScrollFoot.className = oClasses.sScrollFoot;
nScrollFootInner.className = oClasses.sScrollFootInner;
if ( oSettings.oScroll.bAutoCss )
{
nScrollHead.style.overflow = "hidden";
nScrollHead.style.position = "relative";
nScrollFoot.style.overflow = "hidden";
nScrollBody.style.overflow = "auto";
}
nScrollHead.style.border = "0";
nScrollHead.style.width = "100%";
nScrollFoot.style.border = "0";
nScrollHeadInner.style.width = "150%"; /* will be overwritten */
/* Modify attributes to respect the clones */
nScrollHeadTable.removeAttribute('id');
nScrollHeadTable.style.marginLeft = "0";
oSettings.nTable.style.marginLeft = "0";
if ( nTfoot !== null )
{
nScrollFootTable.removeAttribute('id');
nScrollFootTable.style.marginLeft = "0";
}
/* Move any caption elements from the body to the header */
var nCaptions = $(oSettings.nTable).children('caption');
for ( var i=0, iLen=nCaptions.length ; i<iLen ; i++ )
{
nScrollHeadTable.appendChild( nCaptions[i] );
}
/*
* Sizing
*/
/* When xscrolling add the width and a scroller to move the header with the body */
if ( oSettings.oScroll.sX !== "" )
{
nScrollHead.style.width = _fnStringToCss( oSettings.oScroll.sX );
nScrollBody.style.width = _fnStringToCss( oSettings.oScroll.sX );
if ( nTfoot !== null )
{
nScrollFoot.style.width = _fnStringToCss( oSettings.oScroll.sX );
}
/* When the body is scrolled, then we also want to scroll the headers */
$(nScrollBody).scroll( function (e) {
nScrollHead.scrollLeft = this.scrollLeft;
if ( nTfoot !== null )
{
nScrollFoot.scrollLeft = this.scrollLeft;
}
} );
}
/* When yscrolling, add the height */
if ( oSettings.oScroll.sY !== "" )
{
nScrollBody.style.height = _fnStringToCss( oSettings.oScroll.sY );
}
/* Redraw - align columns across the tables */
oSettings.aoDrawCallback.push( {
"fn": _fnScrollDraw,
"sName": "scrolling"
} );
/* Infinite scrolling event handlers */
if ( oSettings.oScroll.bInfinite )
{
$(nScrollBody).scroll( function() {
/* Use a blocker to stop scrolling from loading more data while other data is still loading */
if ( !oSettings.bDrawing && $(this).scrollTop() !== 0 )
{
/* Check if we should load the next data set */
if ( $(this).scrollTop() + $(this).height() >
$(oSettings.nTable).height() - oSettings.oScroll.iLoadGap )
{
/* Only do the redraw if we have to - we might be at the end of the data */
if ( oSettings.fnDisplayEnd() < oSettings.fnRecordsDisplay() )
{
_fnPageChange( oSettings, 'next' );
_fnCalculateEnd( oSettings );
_fnDraw( oSettings );
}
}
}
} );
}
oSettings.nScrollHead = nScrollHead;
oSettings.nScrollFoot = nScrollFoot;
return nScroller;
}
/**
* Update the various tables for resizing. It's a bit of a pig this function, but
* basically the idea to:
* 1. Re-create the table inside the scrolling div
* 2. Take live measurements from the DOM
* 3. Apply the measurements
* 4. Clean up
* @param {object} o dataTables settings object
* @returns {node} Node to add to the DOM
* @memberof DataTable#oApi
*/
function _fnScrollDraw ( o )
{
var
nScrollHeadInner = o.nScrollHead.getElementsByTagName('div')[0],
nScrollHeadTable = nScrollHeadInner.getElementsByTagName('table')[0],
nScrollBody = o.nTable.parentNode,
i, iLen, j, jLen, anHeadToSize, anHeadSizers, anFootSizers, anFootToSize, oStyle, iVis,
iWidth, aApplied=[], iSanityWidth,
nScrollFootInner = (o.nTFoot !== null) ? o.nScrollFoot.getElementsByTagName('div')[0] : null,
nScrollFootTable = (o.nTFoot !== null) ? nScrollFootInner.getElementsByTagName('table')[0] : null,
ie67 = $.browser.msie && $.browser.version <= 7;
/*
* 1. Re-create the table inside the scrolling div
*/
/* Remove the old minimised thead and tfoot elements in the inner table */
var nTheadSize = o.nTable.getElementsByTagName('thead');
if ( nTheadSize.length > 0 )
{
o.nTable.removeChild( nTheadSize[0] );
}
var nTfootSize;
if ( o.nTFoot !== null )
{
/* Remove the old minimised footer element in the cloned header */
nTfootSize = o.nTable.getElementsByTagName('tfoot');
if ( nTfootSize.length > 0 )
{
o.nTable.removeChild( nTfootSize[0] );
}
}
/* Clone the current header and footer elements and then place it into the inner table */
nTheadSize = o.nTHead.cloneNode(true);
o.nTable.insertBefore( nTheadSize, o.nTable.childNodes[0] );
if ( o.nTFoot !== null )
{
nTfootSize = o.nTFoot.cloneNode(true);
o.nTable.insertBefore( nTfootSize, o.nTable.childNodes[1] );
}
/*
* 2. Take live measurements from the DOM - do not alter the DOM itself!
*/
/* Remove old sizing and apply the calculated column widths
* Get the unique column headers in the newly created (cloned) header. We want to apply the
* calclated sizes to this header
*/
if ( o.oScroll.sX === "" )
{
nScrollBody.style.width = '100%';
nScrollHeadInner.parentNode.style.width = '100%';
}
var nThs = _fnGetUniqueThs( o, nTheadSize );
for ( i=0, iLen=nThs.length ; i<iLen ; i++ )
{
iVis = _fnVisibleToColumnIndex( o, i );
nThs[i].style.width = o.aoColumns[iVis].sWidth;
}
if ( o.nTFoot !== null )
{
_fnApplyToChildren( function(n) {
n.style.width = "";
}, nTfootSize.getElementsByTagName('tr') );
}
/* Size the table as a whole */
iSanityWidth = $(o.nTable).outerWidth();
if ( o.oScroll.sX === "" )
{
/* No x scrolling */
o.nTable.style.width = "100%";
/* I know this is rubbish - but IE7 will make the width of the table when 100% include
* the scrollbar - which is shouldn't. When there is a scrollbar we need to take this
* into account.
*/
if ( ie67 && ($('tbody', nScrollBody).height() > nScrollBody.offsetHeight ||
$(nScrollBody).css('overflow-y') == "scroll") )
{
o.nTable.style.width = _fnStringToCss( $(o.nTable).outerWidth()-o.oScroll.iBarWidth );
}
}
else
{
if ( o.oScroll.sXInner !== "" )
{
/* x scroll inner has been given - use it */
o.nTable.style.width = _fnStringToCss(o.oScroll.sXInner);
}
else if ( iSanityWidth == $(nScrollBody).width() &&
$(nScrollBody).height() < $(o.nTable).height() )
{
/* There is y-scrolling - try to take account of the y scroll bar */
o.nTable.style.width = _fnStringToCss( iSanityWidth-o.oScroll.iBarWidth );
if ( $(o.nTable).outerWidth() > iSanityWidth-o.oScroll.iBarWidth )
{
/* Not possible to take account of it */
o.nTable.style.width = _fnStringToCss( iSanityWidth );
}
}
else
{
/* All else fails */
o.nTable.style.width = _fnStringToCss( iSanityWidth );
}
}
/* Recalculate the sanity width - now that we've applied the required width, before it was
* a temporary variable. This is required because the column width calculation is done
* before this table DOM is created.
*/
iSanityWidth = $(o.nTable).outerWidth();
/* We want the hidden header to have zero height, so remove padding and borders. Then
* set the width based on the real headers
*/
anHeadToSize = o.nTHead.getElementsByTagName('tr');
anHeadSizers = nTheadSize.getElementsByTagName('tr');
_fnApplyToChildren( function(nSizer, nToSize) {
oStyle = nSizer.style;
oStyle.paddingTop = "0";
oStyle.paddingBottom = "0";
oStyle.borderTopWidth = "0";
oStyle.borderBottomWidth = "0";
oStyle.height = 0;
iWidth = $(nSizer).width();
nToSize.style.width = _fnStringToCss( iWidth );
aApplied.push( iWidth );
}, anHeadSizers, anHeadToSize );
$(anHeadSizers).height(0);
if ( o.nTFoot !== null )
{
/* Clone the current footer and then place it into the body table as a "hidden header" */
anFootSizers = nTfootSize.getElementsByTagName('tr');
anFootToSize = o.nTFoot.getElementsByTagName('tr');
_fnApplyToChildren( function(nSizer, nToSize) {
oStyle = nSizer.style;
oStyle.paddingTop = "0";
oStyle.paddingBottom = "0";
oStyle.borderTopWidth = "0";
oStyle.borderBottomWidth = "0";
oStyle.height = 0;
iWidth = $(nSizer).width();
nToSize.style.width = _fnStringToCss( iWidth );
aApplied.push( iWidth );
}, anFootSizers, anFootToSize );
$(anFootSizers).height(0);
}
/*
* 3. Apply the measurements
*/
/* "Hide" the header and footer that we used for the sizing. We want to also fix their width
* to what they currently are
*/
_fnApplyToChildren( function(nSizer) {
nSizer.innerHTML = "";
nSizer.style.width = _fnStringToCss( aApplied.shift() );
}, anHeadSizers );
if ( o.nTFoot !== null )
{
_fnApplyToChildren( function(nSizer) {
nSizer.innerHTML = "";
nSizer.style.width = _fnStringToCss( aApplied.shift() );
}, anFootSizers );
}
/* Sanity check that the table is of a sensible width. If not then we are going to get
* misalignment - try to prevent this by not allowing the table to shrink below its min width
*/
if ( $(o.nTable).outerWidth() < iSanityWidth )
{
/* The min width depends upon if we have a vertical scrollbar visible or not */
var iCorrection = ((nScrollBody.scrollHeight > nScrollBody.offsetHeight ||
$(nScrollBody).css('overflow-y') == "scroll")) ?
iSanityWidth+o.oScroll.iBarWidth : iSanityWidth;
/* IE6/7 are a law unto themselves... */
if ( ie67 && (nScrollBody.scrollHeight >
nScrollBody.offsetHeight || $(nScrollBody).css('overflow-y') == "scroll") )
{
o.nTable.style.width = _fnStringToCss( iCorrection-o.oScroll.iBarWidth );
}
/* Apply the calculated minimum width to the table wrappers */
nScrollBody.style.width = _fnStringToCss( iCorrection );
nScrollHeadInner.parentNode.style.width = _fnStringToCss( iCorrection );
if ( o.nTFoot !== null )
{
nScrollFootInner.parentNode.style.width = _fnStringToCss( iCorrection );
}
/* And give the user a warning that we've stopped the table getting too small */
if ( o.oScroll.sX === "" )
{
_fnLog( o, 1, "The table cannot fit into the current element which will cause column"+
" misalignment. The table has been drawn at its minimum possible width." );
}
else if ( o.oScroll.sXInner !== "" )
{
_fnLog( o, 1, "The table cannot fit into the current element which will cause column"+
" misalignment. Increase the sScrollXInner value or remove it to allow automatic"+
" calculation" );
}
}
else
{
nScrollBody.style.width = _fnStringToCss( '100%' );
nScrollHeadInner.parentNode.style.width = _fnStringToCss( '100%' );
if ( o.nTFoot !== null )
{
nScrollFootInner.parentNode.style.width = _fnStringToCss( '100%' );
}
}
/*
* 4. Clean up
*/
if ( o.oScroll.sY === "" )
{
/* IE7< puts a vertical scrollbar in place (when it shouldn't be) due to subtracting
* the scrollbar height from the visible display, rather than adding it on. We need to
* set the height in order to sort this. Don't want to do it in any other browsers.
*/
if ( ie67 )
{
nScrollBody.style.height = _fnStringToCss( o.nTable.offsetHeight+o.oScroll.iBarWidth );
}
}
if ( o.oScroll.sY !== "" && o.oScroll.bCollapse )
{
nScrollBody.style.height = _fnStringToCss( o.oScroll.sY );
var iExtra = (o.oScroll.sX !== "" && o.nTable.offsetWidth > nScrollBody.offsetWidth) ?
o.oScroll.iBarWidth : 0;
if ( o.nTable.offsetHeight < nScrollBody.offsetHeight )
{
nScrollBody.style.height = _fnStringToCss( $(o.nTable).height()+iExtra );
}
}
/* Finally set the width's of the header and footer tables */
var iOuterWidth = $(o.nTable).outerWidth();
nScrollHeadTable.style.width = _fnStringToCss( iOuterWidth );
nScrollHeadInner.style.width = _fnStringToCss( iOuterWidth );
if ( o.nTFoot !== null )
{
nScrollFootInner.style.width = _fnStringToCss( o.nTable.offsetWidth );
nScrollFootTable.style.width = _fnStringToCss( o.nTable.offsetWidth );
}
/* If sorting or filtering has occurred, jump the scrolling back to the top */
if ( o.bSorted || o.bFiltered )
{
nScrollBody.scrollTop = 0;
}
}
/**
* Apply a given function to the display child nodes of an element array (typically
* TD children of TR rows
* @param {function} fn Method to apply to the objects
* @param array {nodes} an1 List of elements to look through for display children
* @param array {nodes} an2 Another list (identical structure to the first) - optional
* @memberof DataTable#oApi
*/
function _fnApplyToChildren( fn, an1, an2 )
{
for ( var i=0, iLen=an1.length ; i<iLen ; i++ )
{
for ( var j=0, jLen=an1[i].childNodes.length ; j<jLen ; j++ )
{
if ( an1[i].childNodes[j].nodeType == 1 )
{
if ( an2 )
{
fn( an1[i].childNodes[j], an2[i].childNodes[j] );
}
else
{
fn( an1[i].childNodes[j] );
}
}
}
}
}
/**
* Convert a CSS unit width to pixels (e.g. 2em)
* @param {string} sWidth width to be converted
* @param {node} nParent parent to get the with for (required for relative widths) - optional
* @returns {int} iWidth width in pixels
* @memberof DataTable#oApi
*/
function _fnConvertToWidth ( sWidth, nParent )
{
if ( !sWidth || sWidth === null || sWidth === '' )
{
return 0;
}
if ( !nParent )
{
nParent = document.getElementsByTagName('body')[0];
}
var iWidth;
var nTmp = document.createElement( "div" );
nTmp.style.width = _fnStringToCss( sWidth );
nParent.appendChild( nTmp );
iWidth = nTmp.offsetWidth;
nParent.removeChild( nTmp );
return ( iWidth );
}
/**
* Calculate the width of columns for the table
* @param {object} oSettings dataTables settings object
* @memberof DataTable#oApi
*/
function _fnCalculateColumnWidths ( oSettings )
{
var iTableWidth = oSettings.nTable.offsetWidth;
var iUserInputs = 0;
var iTmpWidth;
var iVisibleColumns = 0;
var iColums = oSettings.aoColumns.length;
var i, iIndex, iCorrector, iWidth;
var oHeaders = $('th', oSettings.nTHead);
var widthAttr = oSettings.nTable.getAttribute('width');
/* Convert any user input sizes into pixel sizes */
for ( i=0 ; i<iColums ; i++ )
{
if ( oSettings.aoColumns[i].bVisible )
{
iVisibleColumns++;
if ( oSettings.aoColumns[i].sWidth !== null )
{
iTmpWidth = _fnConvertToWidth( oSettings.aoColumns[i].sWidthOrig,
oSettings.nTable.parentNode );
if ( iTmpWidth !== null )
{
oSettings.aoColumns[i].sWidth = _fnStringToCss( iTmpWidth );
}
iUserInputs++;
}
}
}
/* If the number of columns in the DOM equals the number that we have to process in
* DataTables, then we can use the offsets that are created by the web-browser. No custom
* sizes can be set in order for this to happen, nor scrolling used
*/
if ( iColums == oHeaders.length && iUserInputs === 0 && iVisibleColumns == iColums &&
oSettings.oScroll.sX === "" && oSettings.oScroll.sY === "" )
{
for ( i=0 ; i<oSettings.aoColumns.length ; i++ )
{
iTmpWidth = $(oHeaders[i]).width();
if ( iTmpWidth !== null )
{
oSettings.aoColumns[i].sWidth = _fnStringToCss( iTmpWidth );
}
}
}
else
{
/* Otherwise we are going to have to do some calculations to get the width of each column.
* Construct a 1 row table with the widest node in the data, and any user defined widths,
* then insert it into the DOM and allow the browser to do all the hard work of
* calculating table widths.
*/
var
nCalcTmp = oSettings.nTable.cloneNode( false ),
nTheadClone = oSettings.nTHead.cloneNode(true),
nBody = document.createElement( 'tbody' ),
nTr = document.createElement( 'tr' ),
nDivSizing;
nCalcTmp.removeAttribute( "id" );
nCalcTmp.appendChild( nTheadClone );
if ( oSettings.nTFoot !== null )
{
nCalcTmp.appendChild( oSettings.nTFoot.cloneNode(true) );
_fnApplyToChildren( function(n) {
n.style.width = "";
}, nCalcTmp.getElementsByTagName('tr') );
}
nCalcTmp.appendChild( nBody );
nBody.appendChild( nTr );
/* Remove any sizing that was previously applied by the styles */
var jqColSizing = $('thead th', nCalcTmp);
if ( jqColSizing.length === 0 )
{
jqColSizing = $('tbody tr:eq(0)>td', nCalcTmp);
}
/* Apply custom sizing to the cloned header */
var nThs = _fnGetUniqueThs( oSettings, nTheadClone );
iCorrector = 0;
for ( i=0 ; i<iColums ; i++ )
{
var oColumn = oSettings.aoColumns[i];
if ( oColumn.bVisible && oColumn.sWidthOrig !== null && oColumn.sWidthOrig !== "" )
{
nThs[i-iCorrector].style.width = _fnStringToCss( oColumn.sWidthOrig );
}
else if ( oColumn.bVisible )
{
nThs[i-iCorrector].style.width = "";
}
else
{
iCorrector++;
}
}
/* Find the biggest td for each column and put it into the table */
for ( i=0 ; i<iColums ; i++ )
{
if ( oSettings.aoColumns[i].bVisible )
{
var nTd = _fnGetWidestNode( oSettings, i );
if ( nTd !== null )
{
nTd = nTd.cloneNode(true);
if ( oSettings.aoColumns[i].sContentPadding !== "" )
{
nTd.innerHTML += oSettings.aoColumns[i].sContentPadding;
}
nTr.appendChild( nTd );
}
}
}
/* Build the table and 'display' it */
var nWrapper = oSettings.nTable.parentNode;
nWrapper.appendChild( nCalcTmp );
/* When scrolling (X or Y) we want to set the width of the table as appropriate. However,
* when not scrolling leave the table width as it is. This results in slightly different,
* but I think correct behaviour
*/
if ( oSettings.oScroll.sX !== "" && oSettings.oScroll.sXInner !== "" )
{
nCalcTmp.style.width = _fnStringToCss(oSettings.oScroll.sXInner);
}
else if ( oSettings.oScroll.sX !== "" )
{
nCalcTmp.style.width = "";
if ( $(nCalcTmp).width() < nWrapper.offsetWidth )
{
nCalcTmp.style.width = _fnStringToCss( nWrapper.offsetWidth );
}
}
else if ( oSettings.oScroll.sY !== "" )
{
nCalcTmp.style.width = _fnStringToCss( nWrapper.offsetWidth );
}
else if ( widthAttr )
{
nCalcTmp.style.width = _fnStringToCss( widthAttr );
}
nCalcTmp.style.visibility = "hidden";
/* Scrolling considerations */
_fnScrollingWidthAdjust( oSettings, nCalcTmp );
/* Read the width's calculated by the browser and store them for use by the caller. We
* first of all try to use the elements in the body, but it is possible that there are
* no elements there, under which circumstances we use the header elements
*/
var oNodes = $("tbody tr:eq(0)", nCalcTmp).children();
if ( oNodes.length === 0 )
{
oNodes = _fnGetUniqueThs( oSettings, $('thead', nCalcTmp)[0] );
}
/* Browsers need a bit of a hand when a width is assigned to any columns when
* x-scrolling as they tend to collapse the table to the min-width, even if
* we sent the column widths. So we need to keep track of what the table width
* should be by summing the user given values, and the automatic values
*/
if ( oSettings.oScroll.sX !== "" )
{
var iTotal = 0;
iCorrector = 0;
for ( i=0 ; i<oSettings.aoColumns.length ; i++ )
{
if ( oSettings.aoColumns[i].bVisible )
{
if ( oSettings.aoColumns[i].sWidthOrig === null )
{
iTotal += $(oNodes[iCorrector]).outerWidth();
}
else
{
iTotal += parseInt(oSettings.aoColumns[i].sWidth.replace('px',''), 10) +
($(oNodes[iCorrector]).outerWidth() - $(oNodes[iCorrector]).width());
}
iCorrector++;
}
}
nCalcTmp.style.width = _fnStringToCss( iTotal );
oSettings.nTable.style.width = _fnStringToCss( iTotal );
}
iCorrector = 0;
for ( i=0 ; i<oSettings.aoColumns.length ; i++ )
{
if ( oSettings.aoColumns[i].bVisible )
{
iWidth = $(oNodes[iCorrector]).width();
if ( iWidth !== null && iWidth > 0 )
{
oSettings.aoColumns[i].sWidth = _fnStringToCss( iWidth );
}
iCorrector++;
}
}
var cssWidth = $(nCalcTmp).css('width');
oSettings.nTable.style.width = (cssWidth.indexOf('%') !== -1) ?
cssWidth : _fnStringToCss( $(nCalcTmp).outerWidth() );
nCalcTmp.parentNode.removeChild( nCalcTmp );
}
if ( widthAttr )
{
oSettings.nTable.style.width = _fnStringToCss( widthAttr );
}
}
/**
* Adjust a table's width to take account of scrolling
* @param {object} oSettings dataTables settings object
* @param {node} n table node
* @memberof DataTable#oApi
*/
function _fnScrollingWidthAdjust ( oSettings, n )
{
if ( oSettings.oScroll.sX === "" && oSettings.oScroll.sY !== "" )
{
/* When y-scrolling only, we want to remove the width of the scroll bar so the table
* + scroll bar will fit into the area avaialble.
*/
var iOrigWidth = $(n).width();
n.style.width = _fnStringToCss( $(n).outerWidth()-oSettings.oScroll.iBarWidth );
}
else if ( oSettings.oScroll.sX !== "" )
{
/* When x-scrolling both ways, fix the table at it's current size, without adjusting */
n.style.width = _fnStringToCss( $(n).outerWidth() );
}
}
/**
* Get the widest node
* @param {object} oSettings dataTables settings object
* @param {int} iCol column of interest
* @returns {string} max strlens for each column
* @memberof DataTable#oApi
*/
function _fnGetWidestNode( oSettings, iCol )
{
var iMaxIndex = _fnGetMaxLenString( oSettings, iCol );
if ( iMaxIndex < 0 )
{
return null;
}
if ( oSettings.aoData[iMaxIndex].nTr === null )
{
var n = document.createElement('td');
n.innerHTML = _fnGetCellData( oSettings, iMaxIndex, iCol, '' );
return n;
}
return _fnGetTdNodes(oSettings, iMaxIndex)[iCol];
}
/**
* Get the maximum strlen for each data column
* @param {object} oSettings dataTables settings object
* @param {int} iCol column of interest
* @returns {string} max strlens for each column
* @memberof DataTable#oApi
*/
function _fnGetMaxLenString( oSettings, iCol )
{
var iMax = -1;
var iMaxIndex = -1;
for ( var i=0 ; i<oSettings.aoData.length ; i++ )
{
var s = _fnGetCellData( oSettings, i, iCol, 'display' )+"";
s = s.replace( /<.*?>/g, "" );
if ( s.length > iMax )
{
iMax = s.length;
iMaxIndex = i;
}
}
return iMaxIndex;
}
/**
* Append a CSS unit (only if required) to a string
* @param {array} aArray1 first array
* @param {array} aArray2 second array
* @returns {int} 0 if match, 1 if length is different, 2 if no match
* @memberof DataTable#oApi
*/
function _fnStringToCss( s )
{
if ( s === null )
{
return "0px";
}
if ( typeof s == 'number' )
{
if ( s < 0 )
{
return "0px";
}
return s+"px";
}
/* Check if the last character is not 0-9 */
var c = s.charCodeAt( s.length-1 );
if (c < 0x30 || c > 0x39)
{
return s;
}
return s+"px";
}
/**
* Get the width of a scroll bar in this browser being used
* @returns {int} width in pixels
* @memberof DataTable#oApi
*/
function _fnScrollBarWidth ()
{
var inner = document.createElement('p');
var style = inner.style;
style.width = "100%";
style.height = "200px";
style.padding = "0px";
var outer = document.createElement('div');
style = outer.style;
style.position = "absolute";
style.top = "0px";
style.left = "0px";
style.visibility = "hidden";
style.width = "200px";
style.height = "150px";
style.padding = "0px";
style.overflow = "hidden";
outer.appendChild(inner);
document.body.appendChild(outer);
var w1 = inner.offsetWidth;
outer.style.overflow = 'scroll';
var w2 = inner.offsetWidth;
if ( w1 == w2 )
{
w2 = outer.clientWidth;
}
document.body.removeChild(outer);
return (w1 - w2);
}
/**
* Change the order of the table
* @param {object} oSettings dataTables settings object
* @param {bool} bApplyClasses optional - should we apply classes or not
* @memberof DataTable#oApi
*/
function _fnSort ( oSettings, bApplyClasses )
{
var
i, iLen, j, jLen, k, kLen,
sDataType, nTh,
aaSort = [],
aiOrig = [],
oSort = DataTable.ext.oSort,
aoData = oSettings.aoData,
aoColumns = oSettings.aoColumns,
oAria = oSettings.oLanguage.oAria;
/* No sorting required if server-side or no sorting array */
if ( !oSettings.oFeatures.bServerSide &&
(oSettings.aaSorting.length !== 0 || oSettings.aaSortingFixed !== null) )
{
if ( oSettings.aaSortingFixed !== null )
{
aaSort = oSettings.aaSortingFixed.concat( oSettings.aaSorting );
}
else
{
aaSort = oSettings.aaSorting.slice();
}
/* If there is a sorting data type, and a fuction belonging to it, then we need to
* get the data from the developer's function and apply it for this column
*/
for ( i=0 ; i<aaSort.length ; i++ )
{
var iColumn = aaSort[i][0];
var iVisColumn = _fnColumnIndexToVisible( oSettings, iColumn );
sDataType = oSettings.aoColumns[ iColumn ].sSortDataType;
if ( DataTable.ext.afnSortData[sDataType] )
{
var aData = DataTable.ext.afnSortData[sDataType]( oSettings, iColumn, iVisColumn );
for ( j=0, jLen=aoData.length ; j<jLen ; j++ )
{
_fnSetCellData( oSettings, j, iColumn, aData[j] );
}
}
}
/* Create a value - key array of the current row positions such that we can use their
* current position during the sort, if values match, in order to perform stable sorting
*/
for ( i=0, iLen=oSettings.aiDisplayMaster.length ; i<iLen ; i++ )
{
aiOrig[ oSettings.aiDisplayMaster[i] ] = i;
}
/* Build an internal data array which is specific to the sort, so we can get and prep
* the data to be sorted only once, rather than needing to do it every time the sorting
* function runs. This make the sorting function a very simple comparison
*/
var iSortLen = aaSort.length;
var fnSortFormat, aDataSort;
for ( i=0, iLen=aoData.length ; i<iLen ; i++ )
{
for ( j=0 ; j<iSortLen ; j++ )
{
aDataSort = aoColumns[ aaSort[j][0] ].aDataSort;
for ( k=0, kLen=aDataSort.length ; k<kLen ; k++ )
{
sDataType = aoColumns[ aDataSort[k] ].sType;
fnSortFormat = oSort[ (sDataType ? sDataType : 'string')+"-pre" ];
aoData[i]._aSortData[ aDataSort[k] ] = fnSortFormat ?
fnSortFormat( _fnGetCellData( oSettings, i, aDataSort[k], 'sort' ) ) :
_fnGetCellData( oSettings, i, aDataSort[k], 'sort' );
}
}
}
/* Do the sort - here we want multi-column sorting based on a given data source (column)
* and sorting function (from oSort) in a certain direction. It's reasonably complex to
* follow on it's own, but this is what we want (example two column sorting):
* fnLocalSorting = function(a,b){
* var iTest;
* iTest = oSort['string-asc']('data11', 'data12');
* if (iTest !== 0)
* return iTest;
* iTest = oSort['numeric-desc']('data21', 'data22');
* if (iTest !== 0)
* return iTest;
* return oSort['numeric-asc']( aiOrig[a], aiOrig[b] );
* }
* Basically we have a test for each sorting column, if the data in that column is equal,
* test the next column. If all columns match, then we use a numeric sort on the row
* positions in the original data array to provide a stable sort.
*/
oSettings.aiDisplayMaster.sort( function ( a, b ) {
var k, l, lLen, iTest, aDataSort, sDataType;
for ( k=0 ; k<iSortLen ; k++ )
{
aDataSort = aoColumns[ aaSort[k][0] ].aDataSort;
for ( l=0, lLen=aDataSort.length ; l<lLen ; l++ )
{
sDataType = aoColumns[ aDataSort[l] ].sType;
iTest = oSort[ (sDataType ? sDataType : 'string')+"-"+aaSort[k][1] ](
aoData[a]._aSortData[ aDataSort[l] ],
aoData[b]._aSortData[ aDataSort[l] ]
);
if ( iTest !== 0 )
{
return iTest;
}
}
}
return oSort['numeric-asc']( aiOrig[a], aiOrig[b] );
} );
}
/* Alter the sorting classes to take account of the changes */
if ( (bApplyClasses === undefined || bApplyClasses) && !oSettings.oFeatures.bDeferRender )
{
_fnSortingClasses( oSettings );
}
for ( i=0, iLen=oSettings.aoColumns.length ; i<iLen ; i++ )
{
nTh = aoColumns[i].nTh;
nTh.removeAttribute('aria-sort');
nTh.removeAttribute('aria-label');
/* In ARIA only the first sorting column can be marked as sorting - no multi-sort option */
if ( aoColumns[i].bSortable )
{
if ( aaSort.length > 0 && aaSort[0][0] == i )
{
nTh.setAttribute('aria-sort', aaSort[0][1]=="asc" ? "ascending" : "descending" );
var nextSort = (aoColumns[i].asSorting[ aaSort[0][2]+1 ]) ?
aoColumns[i].asSorting[ aaSort[0][2]+1 ] : aoColumns[i].asSorting[0];
nTh.setAttribute('aria-label', aoColumns[i].sTitle+
(nextSort=="asc" ? oAria.sSortAscending : oAria.sSortDescending) );
}
else
{
nTh.setAttribute('aria-label', aoColumns[i].sTitle+
(aoColumns[i].asSorting[0]=="asc" ? oAria.sSortAscending : oAria.sSortDescending) );
}
}
else
{
nTh.setAttribute('aria-label', aoColumns[i].sTitle);
}
}
/* Tell the draw function that we have sorted the data */
oSettings.bSorted = true;
$(oSettings.oInstance).trigger('sort', oSettings);
/* Copy the master data into the draw array and re-draw */
if ( oSettings.oFeatures.bFilter )
{
/* _fnFilter() will redraw the table for us */
_fnFilterComplete( oSettings, oSettings.oPreviousSearch, 1 );
}
else
{
oSettings.aiDisplay = oSettings.aiDisplayMaster.slice();
oSettings._iDisplayStart = 0; /* reset display back to page 0 */
_fnCalculateEnd( oSettings );
_fnDraw( oSettings );
}
}
/**
* Attach a sort handler (click) to a node
* @param {object} oSettings dataTables settings object
* @param {node} nNode node to attach the handler to
* @param {int} iDataIndex column sorting index
* @param {function} [fnCallback] callback function
* @memberof DataTable#oApi
*/
function _fnSortAttachListener ( oSettings, nNode, iDataIndex, fnCallback )
{
_fnBindAction( nNode, {}, function (e) {
/* If the column is not sortable - don't to anything */
if ( oSettings.aoColumns[iDataIndex].bSortable === false )
{
return;
}
/*
* This is a little bit odd I admit... I declare a temporary function inside the scope of
* _fnBuildHead and the click handler in order that the code presented here can be used
* twice - once for when bProcessing is enabled, and another time for when it is
* disabled, as we need to perform slightly different actions.
* Basically the issue here is that the Javascript engine in modern browsers don't
* appear to allow the rendering engine to update the display while it is still excuting
* it's thread (well - it does but only after long intervals). This means that the
* 'processing' display doesn't appear for a table sort. To break the js thread up a bit
* I force an execution break by using setTimeout - but this breaks the expected
* thread continuation for the end-developer's point of view (their code would execute
* too early), so we on;y do it when we absolutely have to.
*/
var fnInnerSorting = function () {
var iColumn, iNextSort;
/* If the shift key is pressed then we are multipe column sorting */
if ( e.shiftKey )
{
/* Are we already doing some kind of sort on this column? */
var bFound = false;
for ( var i=0 ; i<oSettings.aaSorting.length ; i++ )
{
if ( oSettings.aaSorting[i][0] == iDataIndex )
{
bFound = true;
iColumn = oSettings.aaSorting[i][0];
iNextSort = oSettings.aaSorting[i][2]+1;
if ( !oSettings.aoColumns[iColumn].asSorting[iNextSort] )
{
/* Reached the end of the sorting options, remove from multi-col sort */
oSettings.aaSorting.splice( i, 1 );
}
else
{
/* Move onto next sorting direction */
oSettings.aaSorting[i][1] = oSettings.aoColumns[iColumn].asSorting[iNextSort];
oSettings.aaSorting[i][2] = iNextSort;
}
break;
}
}
/* No sort yet - add it in */
if ( bFound === false )
{
oSettings.aaSorting.push( [ iDataIndex,
oSettings.aoColumns[iDataIndex].asSorting[0], 0 ] );
}
}
else
{
/* If no shift key then single column sort */
if ( oSettings.aaSorting.length == 1 && oSettings.aaSorting[0][0] == iDataIndex )
{
iColumn = oSettings.aaSorting[0][0];
iNextSort = oSettings.aaSorting[0][2]+1;
if ( !oSettings.aoColumns[iColumn].asSorting[iNextSort] )
{
iNextSort = 0;
}
oSettings.aaSorting[0][1] = oSettings.aoColumns[iColumn].asSorting[iNextSort];
oSettings.aaSorting[0][2] = iNextSort;
}
else
{
oSettings.aaSorting.splice( 0, oSettings.aaSorting.length );
oSettings.aaSorting.push( [ iDataIndex,
oSettings.aoColumns[iDataIndex].asSorting[0], 0 ] );
}
}
/* Run the sort */
_fnSort( oSettings );
}; /* /fnInnerSorting */
if ( !oSettings.oFeatures.bProcessing )
{
fnInnerSorting();
}
else
{
_fnProcessingDisplay( oSettings, true );
setTimeout( function() {
fnInnerSorting();
if ( !oSettings.oFeatures.bServerSide )
{
_fnProcessingDisplay( oSettings, false );
}
}, 0 );
}
/* Call the user specified callback function - used for async user interaction */
if ( typeof fnCallback == 'function' )
{
fnCallback( oSettings );
}
} );
}
/**
* Set the sorting classes on the header, Note: it is safe to call this function
* when bSort and bSortClasses are false
* @param {object} oSettings dataTables settings object
* @memberof DataTable#oApi
*/
function _fnSortingClasses( oSettings )
{
var i, iLen, j, jLen, iFound;
var aaSort, sClass;
var iColumns = oSettings.aoColumns.length;
var oClasses = oSettings.oClasses;
for ( i=0 ; i<iColumns ; i++ )
{
if ( oSettings.aoColumns[i].bSortable )
{
$(oSettings.aoColumns[i].nTh).removeClass( oClasses.sSortAsc +" "+ oClasses.sSortDesc +
" "+ oSettings.aoColumns[i].sSortingClass );
}
}
if ( oSettings.aaSortingFixed !== null )
{
aaSort = oSettings.aaSortingFixed.concat( oSettings.aaSorting );
}
else
{
aaSort = oSettings.aaSorting.slice();
}
/* Apply the required classes to the header */
for ( i=0 ; i<oSettings.aoColumns.length ; i++ )
{
if ( oSettings.aoColumns[i].bSortable )
{
sClass = oSettings.aoColumns[i].sSortingClass;
iFound = -1;
for ( j=0 ; j<aaSort.length ; j++ )
{
if ( aaSort[j][0] == i )
{
sClass = ( aaSort[j][1] == "asc" ) ?
oClasses.sSortAsc : oClasses.sSortDesc;
iFound = j;
break;
}
}
$(oSettings.aoColumns[i].nTh).addClass( sClass );
if ( oSettings.bJUI )
{
/* jQuery UI uses extra markup */
var jqSpan = $("span."+oClasses.sSortIcon, oSettings.aoColumns[i].nTh);
jqSpan.removeClass(oClasses.sSortJUIAsc +" "+ oClasses.sSortJUIDesc +" "+
oClasses.sSortJUI +" "+ oClasses.sSortJUIAscAllowed +" "+ oClasses.sSortJUIDescAllowed );
var sSpanClass;
if ( iFound == -1 )
{
sSpanClass = oSettings.aoColumns[i].sSortingClassJUI;
}
else if ( aaSort[iFound][1] == "asc" )
{
sSpanClass = oClasses.sSortJUIAsc;
}
else
{
sSpanClass = oClasses.sSortJUIDesc;
}
jqSpan.addClass( sSpanClass );
}
}
else
{
/* No sorting on this column, so add the base class. This will have been assigned by
* _fnAddColumn
*/
$(oSettings.aoColumns[i].nTh).addClass( oSettings.aoColumns[i].sSortingClass );
}
}
/*
* Apply the required classes to the table body
* Note that this is given as a feature switch since it can significantly slow down a sort
* on large data sets (adding and removing of classes is always slow at the best of times..)
* Further to this, note that this code is admitadly fairly ugly. It could be made a lot
* simpiler using jQuery selectors and add/removeClass, but that is significantly slower
* (on the order of 5 times slower) - hence the direct DOM manipulation here.
* Note that for defered drawing we do use jQuery - the reason being that taking the first
* row found to see if the whole column needs processed can miss classes since the first
* column might be new.
*/
sClass = oClasses.sSortColumn;
if ( oSettings.oFeatures.bSort && oSettings.oFeatures.bSortClasses )
{
var nTds = _fnGetTdNodes( oSettings );
/* Remove the old classes */
if ( oSettings.oFeatures.bDeferRender )
{
$(nTds).removeClass(sClass+'1 '+sClass+'2 '+sClass+'3');
}
else if ( nTds.length >= iColumns )
{
for ( i=0 ; i<iColumns ; i++ )
{
if ( nTds[i].className.indexOf(sClass+"1") != -1 )
{
for ( j=0, jLen=(nTds.length/iColumns) ; j<jLen ; j++ )
{
nTds[(iColumns*j)+i].className =
$.trim( nTds[(iColumns*j)+i].className.replace( sClass+"1", "" ) );
}
}
else if ( nTds[i].className.indexOf(sClass+"2") != -1 )
{
for ( j=0, jLen=(nTds.length/iColumns) ; j<jLen ; j++ )
{
nTds[(iColumns*j)+i].className =
$.trim( nTds[(iColumns*j)+i].className.replace( sClass+"2", "" ) );
}
}
else if ( nTds[i].className.indexOf(sClass+"3") != -1 )
{
for ( j=0, jLen=(nTds.length/iColumns) ; j<jLen ; j++ )
{
nTds[(iColumns*j)+i].className =
$.trim( nTds[(iColumns*j)+i].className.replace( " "+sClass+"3", "" ) );
}
}
}
}
/* Add the new classes to the table */
var iClass = 1, iTargetCol;
for ( i=0 ; i<aaSort.length ; i++ )
{
iTargetCol = parseInt( aaSort[i][0], 10 );
for ( j=0, jLen=(nTds.length/iColumns) ; j<jLen ; j++ )
{
nTds[(iColumns*j)+iTargetCol].className += " "+sClass+iClass;
}
if ( iClass < 3 )
{
iClass++;
}
}
}
}
/**
* Save the state of a table in a cookie such that the page can be reloaded
* @param {object} oSettings dataTables settings object
* @memberof DataTable#oApi
*/
function _fnSaveState ( oSettings )
{
if ( !oSettings.oFeatures.bStateSave || oSettings.bDestroying )
{
return;
}
/* Store the interesting variables */
var i, iLen, bInfinite=oSettings.oScroll.bInfinite;
var oState = {
"iCreate": new Date().getTime(),
"iStart": (bInfinite ? 0 : oSettings._iDisplayStart),
"iEnd": (bInfinite ? oSettings._iDisplayLength : oSettings._iDisplayEnd),
"iLength": oSettings._iDisplayLength,
"aaSorting": $.extend( true, [], oSettings.aaSorting ),
"oSearch": $.extend( true, {}, oSettings.oPreviousSearch ),
"aoSearchCols": $.extend( true, [], oSettings.aoPreSearchCols ),
"abVisCols": []
};
for ( i=0, iLen=oSettings.aoColumns.length ; i<iLen ; i++ )
{
oState.abVisCols.push( oSettings.aoColumns[i].bVisible );
}
_fnCallbackFire( oSettings, "aoStateSaveParams", 'stateSaveParams', [oSettings, oState] );
oSettings.fnStateSave.call( oSettings.oInstance, oSettings, oState );
}
/**
* Attempt to load a saved table state from a cookie
* @param {object} oSettings dataTables settings object
* @param {object} oInit DataTables init object so we can override settings
* @memberof DataTable#oApi
*/
function _fnLoadState ( oSettings, oInit )
{
if ( !oSettings.oFeatures.bStateSave )
{
return;
}
var oData = oSettings.fnStateLoad.call( oSettings.oInstance, oSettings );
if ( !oData )
{
return;
}
/* Allow custom and plug-in manipulation functions to alter the saved data set and
* cancelling of loading by returning false
*/
var abStateLoad = _fnCallbackFire( oSettings, 'aoStateLoadParams', 'stateLoadParams', [oSettings, oData] );
if ( $.inArray( false, abStateLoad ) !== -1 )
{
return;
}
/* Store the saved state so it might be accessed at any time */
oSettings.oLoadedState = $.extend( true, {}, oData );
/* Restore key features */
oSettings._iDisplayStart = oData.iStart;
oSettings.iInitDisplayStart = oData.iStart;
oSettings._iDisplayEnd = oData.iEnd;
oSettings._iDisplayLength = oData.iLength;
oSettings.aaSorting = oData.aaSorting.slice();
oSettings.saved_aaSorting = oData.aaSorting.slice();
/* Search filtering */
$.extend( oSettings.oPreviousSearch, oData.oSearch );
$.extend( true, oSettings.aoPreSearchCols, oData.aoSearchCols );
/* Column visibility state
* Pass back visibiliy settings to the init handler, but to do not here override
* the init object that the user might have passed in
*/
oInit.saved_aoColumns = [];
for ( var i=0 ; i<oData.abVisCols.length ; i++ )
{
oInit.saved_aoColumns[i] = {};
oInit.saved_aoColumns[i].bVisible = oData.abVisCols[i];
}
_fnCallbackFire( oSettings, 'aoStateLoaded', 'stateLoaded', [oSettings, oData] );
}
/**
* Create a new cookie with a value to store the state of a table
* @param {string} sName name of the cookie to create
* @param {string} sValue the value the cookie should take
* @param {int} iSecs duration of the cookie
* @param {string} sBaseName sName is made up of the base + file name - this is the base
* @param {function} fnCallback User definable function to modify the cookie
* @memberof DataTable#oApi
*/
function _fnCreateCookie ( sName, sValue, iSecs, sBaseName, fnCallback )
{
var date = new Date();
date.setTime( date.getTime()+(iSecs*1000) );
/*
* Shocking but true - it would appear IE has major issues with having the path not having
* a trailing slash on it. We need the cookie to be available based on the path, so we
* have to append the file name to the cookie name. Appalling. Thanks to vex for adding the
* patch to use at least some of the path
*/
var aParts = window.location.pathname.split('/');
var sNameFile = sName + '_' + aParts.pop().replace(/[\/:]/g,"").toLowerCase();
var sFullCookie, oData;
if ( fnCallback !== null )
{
oData = (typeof $.parseJSON === 'function') ?
$.parseJSON( sValue ) : eval( '('+sValue+')' );
sFullCookie = fnCallback( sNameFile, oData, date.toGMTString(),
aParts.join('/')+"/" );
}
else
{
sFullCookie = sNameFile + "=" + encodeURIComponent(sValue) +
"; expires=" + date.toGMTString() +"; path=" + aParts.join('/')+"/";
}
/* Are we going to go over the cookie limit of 4KiB? If so, try to delete a cookies
* belonging to DataTables. This is FAR from bullet proof
*/
var sOldName="", iOldTime=9999999999999;
var iLength = _fnReadCookie( sNameFile )!==null ? document.cookie.length :
sFullCookie.length + document.cookie.length;
if ( iLength+10 > 4096 ) /* Magic 10 for padding */
{
var aCookies =document.cookie.split(';');
for ( var i=0, iLen=aCookies.length ; i<iLen ; i++ )
{
if ( aCookies[i].indexOf( sBaseName ) != -1 )
{
/* It's a DataTables cookie, so eval it and check the time stamp */
var aSplitCookie = aCookies[i].split('=');
try { oData = eval( '('+decodeURIComponent(aSplitCookie[1])+')' ); }
catch( e ) { continue; }
if ( oData.iCreate && oData.iCreate < iOldTime )
{
sOldName = aSplitCookie[0];
iOldTime = oData.iCreate;
}
}
}
if ( sOldName !== "" )
{
document.cookie = sOldName+"=; expires=Thu, 01-Jan-1970 00:00:01 GMT; path="+
aParts.join('/') + "/";
}
}
document.cookie = sFullCookie;
}
/**
* Read an old cookie to get a cookie with an old table state
* @param {string} sName name of the cookie to read
* @returns {string} contents of the cookie - or null if no cookie with that name found
* @memberof DataTable#oApi
*/
function _fnReadCookie ( sName )
{
var
aParts = window.location.pathname.split('/'),
sNameEQ = sName + '_' + aParts[aParts.length-1].replace(/[\/:]/g,"").toLowerCase() + '=',
sCookieContents = document.cookie.split(';');
for( var i=0 ; i<sCookieContents.length ; i++ )
{
var c = sCookieContents[i];
while (c.charAt(0)==' ')
{
c = c.substring(1,c.length);
}
if (c.indexOf(sNameEQ) === 0)
{
return decodeURIComponent( c.substring(sNameEQ.length,c.length) );
}
}
return null;
}
/**
* Return the settings object for a particular table
* @param {node} nTable table we are using as a dataTable
* @returns {object} Settings object - or null if not found
* @memberof DataTable#oApi
*/
function _fnSettingsFromNode ( nTable )
{
for ( var i=0 ; i<DataTable.settings.length ; i++ )
{
if ( DataTable.settings[i].nTable === nTable )
{
return DataTable.settings[i];
}
}
return null;
}
/**
* Return an array with the TR nodes for the table
* @param {object} oSettings dataTables settings object
* @returns {array} TR array
* @memberof DataTable#oApi
*/
function _fnGetTrNodes ( oSettings )
{
var aNodes = [];
var aoData = oSettings.aoData;
for ( var i=0, iLen=aoData.length ; i<iLen ; i++ )
{
if ( aoData[i].nTr !== null )
{
aNodes.push( aoData[i].nTr );
}
}
return aNodes;
}
/**
* Return an flat array with all TD nodes for the table, or row
* @param {object} oSettings dataTables settings object
* @param {int} [iIndividualRow] aoData index to get the nodes for - optional
* if not given then the return array will contain all nodes for the table
* @returns {array} TD array
* @memberof DataTable#oApi
*/
function _fnGetTdNodes ( oSettings, iIndividualRow )
{
var anReturn = [];
var iCorrector;
var anTds;
var iRow, iRows=oSettings.aoData.length,
iColumn, iColumns, oData, sNodeName, iStart=0, iEnd=iRows;
/* Allow the collection to be limited to just one row */
if ( iIndividualRow !== undefined )
{
iStart = iIndividualRow;
iEnd = iIndividualRow+1;
}
for ( iRow=iStart ; iRow<iEnd ; iRow++ )
{
oData = oSettings.aoData[iRow];
if ( oData.nTr !== null )
{
/* get the TD child nodes - taking into account text etc nodes */
anTds = [];
for ( iColumn=0, iColumns=oData.nTr.childNodes.length ; iColumn<iColumns ; iColumn++ )
{
sNodeName = oData.nTr.childNodes[iColumn].nodeName.toLowerCase();
if ( sNodeName == 'td' || sNodeName == 'th' )
{
anTds.push( oData.nTr.childNodes[iColumn] );
}
}
iCorrector = 0;
for ( iColumn=0, iColumns=oSettings.aoColumns.length ; iColumn<iColumns ; iColumn++ )
{
if ( oSettings.aoColumns[iColumn].bVisible )
{
anReturn.push( anTds[iColumn-iCorrector] );
}
else
{
anReturn.push( oData._anHidden[iColumn] );
iCorrector++;
}
}
}
}
return anReturn;
}
/**
* Log an error message
* @param {object} oSettings dataTables settings object
* @param {int} iLevel log error messages, or display them to the user
* @param {string} sMesg error message
* @memberof DataTable#oApi
*/
function _fnLog( oSettings, iLevel, sMesg )
{
var sAlert = (oSettings===null) ?
"DataTables warning: "+sMesg :
"DataTables warning (table id = '"+oSettings.sTableId+"'): "+sMesg;
if ( iLevel === 0 )
{
if ( DataTable.ext.sErrMode == 'alert' )
{
alert( sAlert );
}
else
{
throw sAlert;
}
return;
}
else if ( console !== undefined && console.log )
{
console.log( sAlert );
}
}
/**
* See if a property is defined on one object, if so assign it to the other object
* @param {object} oRet target object
* @param {object} oSrc source object
* @param {string} sName property
* @param {string} [sMappedName] name to map too - optional, sName used if not given
* @memberof DataTable#oApi
*/
function _fnMap( oRet, oSrc, sName, sMappedName )
{
if ( sMappedName === undefined )
{
sMappedName = sName;
}
if ( oSrc[sName] !== undefined )
{
oRet[sMappedName] = oSrc[sName];
}
}
/**
* Extend objects - very similar to jQuery.extend, but deep copy objects, and shallow
* copy arrays. The reason we need to do this, is that we don't want to deep copy array
* init values (such as aaSorting) since the dev wouldn't be able to override them, but
* we do want to deep copy arrays.
* @param {object} oOut Object to extend
* @param {object} oExtender Object from which the properties will be applied to oOut
* @returns {object} oOut Reference, just for convenience - oOut === the return.
* @memberof DataTable#oApi
* @todo This doesn't take account of arrays inside the deep copied objects.
*/
function _fnExtend( oOut, oExtender )
{
for ( var prop in oOut )
{
if ( oOut.hasOwnProperty(prop) && oExtender[prop] !== undefined )
{
if ( typeof oInit[prop] === 'object' && $.isArray(oExtender[prop]) === false )
{
$.extend( true, oOut[prop], oExtender[prop] );
}
else
{
oOut[prop] = oExtender[prop];
}
}
}
return oOut;
}
/**
* Bind an event handers to allow a click or return key to activate the callback.
* This is good for accessability since a return on the keyboard will have the
* same effect as a click, if the element has focus.
* @param {element} n Element to bind the action to
* @param {object} oData Data object to pass to the triggered function
* @param {function) fn Callback function for when the event is triggered
* @memberof DataTable#oApi
*/
function _fnBindAction( n, oData, fn )
{
$(n)
.bind( 'click.DT', oData, function (e) {
fn(e);
n.blur(); // Remove focus outline for mouse users
} )
.bind( 'keypress.DT', oData, function (e){
if ( e.which === 13 ) {
fn(e);
} } )
.bind( 'selectstart.DT', function () {
/* Take the brutal approach to cancelling text selection */
return false;
} );
}
/**
* Register a callback function. Easily allows a callback function to be added to
* an array store of callback functions that can then all be called together.
* @param {object} oSettings dataTables settings object
* @param {string} sStore Name of the array storeage for the callbacks in oSettings
* @param {function} fn Function to be called back
* @param {string) sName Identifying name for the callback (i.e. a label)
* @memberof DataTable#oApi
*/
function _fnCallbackReg( oSettings, sStore, fn, sName )
{
if ( fn )
{
oSettings[sStore].push( {
"fn": fn,
"sName": sName
} );
}
}
/**
* Fire callback functions and trigger events. Note that the loop over the callback
* array store is done backwards! Further note that you do not want to fire off triggers
* in time sensitive applications (for example cell creation) as its slow.
* @param {object} oSettings dataTables settings object
* @param {string} sStore Name of the array storeage for the callbacks in oSettings
* @param {string} sTrigger Name of the jQuery custom event to trigger. If null no trigger
* is fired
* @param {array) aArgs Array of arguments to pass to the callback function / trigger
* @memberof DataTable#oApi
*/
function _fnCallbackFire( oSettings, sStore, sTrigger, aArgs )
{
var aoStore = oSettings[sStore];
var aRet =[];
for ( var i=aoStore.length-1 ; i>=0 ; i-- )
{
aRet.push( aoStore[i].fn.apply( oSettings.oInstance, aArgs ) );
}
if ( sTrigger !== null )
{
$(oSettings.oInstance).trigger(sTrigger, aArgs);
}
return aRet;
}
/**
* JSON stringify. If JSON.stringify it provided by the browser, json2.js or any other
* library, then we use that as it is fast, safe and accurate. If the function isn't
* available then we need to built it ourselves - the insperation for this function comes
* from Craig Buckler ( http://www.sitepoint.com/javascript-json-serialization/ ). It is
* not perfect and absolutely should not be used as a replacement to json2.js - but it does
* do what we need, without requiring a dependency for DataTables.
* @param {object} o JSON object to be converted
* @returns {string} JSON string
* @memberof DataTable#oApi
*/
var _fnJsonString = (window.JSON) ? JSON.stringify : function( o )
{
/* Not an object or array */
var sType = typeof o;
if (sType !== "object" || o === null)
{
// simple data type
if (sType === "string")
{
o = '"'+o+'"';
}
return o+"";
}
/* If object or array, need to recurse over it */
var
sProp, mValue,
json = [],
bArr = $.isArray(o);
for (sProp in o)
{
mValue = o[sProp];
sType = typeof mValue;
if (sType === "string")
{
mValue = '"'+mValue+'"';
}
else if (sType === "object" && mValue !== null)
{
mValue = _fnJsonString(mValue);
}
json.push((bArr ? "" : '"'+sProp+'":') + mValue);
}
return (bArr ? "[" : "{") + json + (bArr ? "]" : "}");
};
/**
* Perform a jQuery selector action on the table's TR elements (from the tbody) and
* return the resulting jQuery object.
* @param {string|node|jQuery} sSelector jQuery selector or node collection to act on
* @param {object} [oOpts] Optional parameters for modifying the rows to be included
* @param {string} [oOpts.filter=none] Select TR elements that meet the current filter
* criterion ("applied") or all TR elements (i.e. no filter).
* @param {string} [oOpts.order=current] Order of the TR elements in the processed array.
* Can be either 'current', whereby the current sorting of the table is used, or
* 'original' whereby the original order the data was read into the table is used.
* @param {string} [oOpts.page=all] Limit the selection to the currently displayed page
* ("current") or not ("all"). If 'current' is given, then order is assumed to be
* 'current' and filter is 'applied', regardless of what they might be given as.
* @returns {object} jQuery object, filtered by the given selector.
* @dtopt API
*
* @example
* $(document).ready(function() {
* var oTable = $('#example').dataTable();
*
* // Highlight every second row
* oTable.$('tr:odd').css('backgroundColor', 'blue');
* } );
*
* @example
* $(document).ready(function() {
* var oTable = $('#example').dataTable();
*
* // Filter to rows with 'Webkit' in them, add a background colour and then
* // remove the filter, thus highlighting the 'Webkit' rows only.
* oTable.fnFilter('Webkit');
* oTable.$('tr', {"filter": "applied"}).css('backgroundColor', 'blue');
* oTable.fnFilter('');
* } );
*/
this.$ = function ( sSelector, oOpts )
{
var i, iLen, a = [];
var oSettings = _fnSettingsFromNode( this[DataTable.ext.iApiIndex] );
if ( !oOpts )
{
oOpts = {};
}
oOpts = $.extend( {}, {
"filter": "none", // applied
"order": "current", // "original"
"page": "all" // current
}, oOpts );
// Current page implies that order=current and fitler=applied, since it is fairly
// senseless otherwise
if ( oOpts.page == 'current' )
{
for ( i=oSettings._iDisplayStart, iLen=oSettings.fnDisplayEnd() ; i<iLen ; i++ )
{
a.push( oSettings.aoData[ oSettings.aiDisplay[i] ].nTr );
}
}
else if ( oOpts.order == "current" && oOpts.filter == "none" )
{
for ( i=0, iLen=oSettings.aiDisplayMaster.length ; i<iLen ; i++ )
{
a.push( oSettings.aoData[ oSettings.aiDisplayMaster[i] ].nTr );
}
}
else if ( oOpts.order == "current" && oOpts.filter == "applied" )
{
for ( i=0, iLen=oSettings.aiDisplay.length ; i<iLen ; i++ )
{
a.push( oSettings.aoData[ oSettings.aiDisplay[i] ].nTr );
}
}
else if ( oOpts.order == "original" && oOpts.filter == "none" )
{
for ( i=0, iLen=oSettings.aoData.length ; i<iLen ; i++ )
{
a.push( oSettings.aoData[ i ].nTr );
}
}
else if ( oOpts.order == "original" && oOpts.filter == "applied" )
{
for ( i=0, iLen=oSettings.aoData.length ; i<iLen ; i++ )
{
if ( $.inArray( i, oSettings.aiDisplay ) !== -1 )
{
a.push( oSettings.aoData[ i ].nTr );
}
}
}
else
{
_fnLog( oSettings, 1, "Unknown selection options" );
}
/* We need to filter on the TR elements and also 'find' in their descendants
* to make the selector act like it would in a full table - so we need
* to build both results and then combine them together
*/
var jqA = $(a);
var jqTRs = jqA.filter( sSelector );
var jqDescendants = jqA.find( sSelector );
return $( [].concat($.makeArray(jqTRs), $.makeArray(jqDescendants)) );
};
/**
* Almost identical to $ in operation, but in this case returns the data for the matched
* rows - as such, the jQuery selector used should match TR row nodes or TD/TH cell nodes
* rather than any decendents, so the data can be obtained for the row/cell. If matching
* rows are found, the data returned is the original data array/object that was used to
* create the row (or a generated array if from a DOM source).
*
* This method is often useful incombination with $ where both functions are given the
* same parameters and the array indexes will match identically.
* @param {string|node|jQuery} sSelector jQuery selector or node collection to act on
* @param {object} [oOpts] Optional parameters for modifying the rows to be included
* @param {string} [oOpts.filter=none] Select elements that meet the current filter
* criterion ("applied") or all elements (i.e. no filter).
* @param {string} [oOpts.order=current] Order of the data in the processed array.
* Can be either 'current', whereby the current sorting of the table is used, or
* 'original' whereby the original order the data was read into the table is used.
* @param {string} [oOpts.page=all] Limit the selection to the currently displayed page
* ("current") or not ("all"). If 'current' is given, then order is assumed to be
* 'current' and filter is 'applied', regardless of what they might be given as.
* @returns {array} Data for the matched elements. If any elements, as a result of the
* selector, were not TR, TD or TH elements in the DataTable, they will have a null
* entry in the array.
* @dtopt API
*
* @example
* $(document).ready(function() {
* var oTable = $('#example').dataTable();
*
* // Get the data from the first row in the table
* var data = oTable._('tr:first');
*
* // Do something useful with the data
* alert( "First cell is: "+data[0] );
* } );
*
* @example
* $(document).ready(function() {
* var oTable = $('#example').dataTable();
*
* // Filter to 'Webkit' and get all data for
* oTable.fnFilter('Webkit');
* var data = oTable._('tr', {"filter": "applied"});
*
* // Do something with the data
* alert( data.length+" rows matched the filter" );
* } );
*/
this._ = function ( sSelector, oOpts )
{
var aOut = [];
var i, iLen, iIndex;
var aTrs = this.$( sSelector, oOpts );
for ( i=0, iLen=aTrs.length ; i<iLen ; i++ )
{
aOut.push( this.fnGetData(aTrs[i]) );
}
return aOut;
};
/**
* Add a single new row or multiple rows of data to the table. Please note
* that this is suitable for client-side processing only - if you are using
* server-side processing (i.e. "bServerSide": true), then to add data, you
* must add it to the data source, i.e. the server-side, through an Ajax call.
* @param {array|object} mData The data to be added to the table. This can be:
* <ul>
* <li>1D array of data - add a single row with the data provided</li>
* <li>2D array of arrays - add multiple rows in a single call</li>
* <li>object - data object when using <i>mDataProp</i></li>
* <li>array of objects - multiple data objects when using <i>mDataProp</i></li>
* </ul>
* @param {bool} [bRedraw=true] redraw the table or not
* @returns {array} An array of integers, representing the list of indexes in
* <i>aoData</i> ({@link DataTable.models.oSettings}) that have been added to
* the table.
* @dtopt API
*
* @example
* // Global var for counter
* var giCount = 2;
*
* $(document).ready(function() {
* $('#example').dataTable();
* } );
*
* function fnClickAddRow() {
* $('#example').dataTable().fnAddData( [
* giCount+".1",
* giCount+".2",
* giCount+".3",
* giCount+".4" ]
* );
*
* giCount++;
* }
*/
this.fnAddData = function( mData, bRedraw )
{
if ( mData.length === 0 )
{
return [];
}
var aiReturn = [];
var iTest;
/* Find settings from table node */
var oSettings = _fnSettingsFromNode( this[DataTable.ext.iApiIndex] );
/* Check if we want to add multiple rows or not */
if ( typeof mData[0] === "object" && mData[0] !== null )
{
for ( var i=0 ; i<mData.length ; i++ )
{
iTest = _fnAddData( oSettings, mData[i] );
if ( iTest == -1 )
{
return aiReturn;
}
aiReturn.push( iTest );
}
}
else
{
iTest = _fnAddData( oSettings, mData );
if ( iTest == -1 )
{
return aiReturn;
}
aiReturn.push( iTest );
}
oSettings.aiDisplay = oSettings.aiDisplayMaster.slice();
if ( bRedraw === undefined || bRedraw )
{
_fnReDraw( oSettings );
}
return aiReturn;
};
/**
* This function will make DataTables recalculate the column sizes, based on the data
* contained in the table and the sizes applied to the columns (in the DOM, CSS or
* through the sWidth parameter). This can be useful when the width of the table's
* parent element changes (for example a window resize).
* @param {boolean} [bRedraw=true] Redraw the table or not, you will typically want to
* @dtopt API
*
* @example
* $(document).ready(function() {
* var oTable = $('#example').dataTable( {
* "sScrollY": "200px",
* "bPaginate": false
* } );
*
* $(window).bind('resize', function () {
* oTable.fnAdjustColumnSizing();
* } );
* } );
*/
this.fnAdjustColumnSizing = function ( bRedraw )
{
var oSettings = _fnSettingsFromNode(this[DataTable.ext.iApiIndex]);
_fnAdjustColumnSizing( oSettings );
if ( bRedraw === undefined || bRedraw )
{
this.fnDraw( false );
}
else if ( oSettings.oScroll.sX !== "" || oSettings.oScroll.sY !== "" )
{
/* If not redrawing, but scrolling, we want to apply the new column sizes anyway */
this.oApi._fnScrollDraw(oSettings);
}
};
/**
* Quickly and simply clear a table
* @param {bool} [bRedraw=true] redraw the table or not
* @dtopt API
*
* @example
* $(document).ready(function() {
* var oTable = $('#example').dataTable();
*
* // Immediately 'nuke' the current rows (perhaps waiting for an Ajax callback...)
* oTable.fnClearTable();
* } );
*/
this.fnClearTable = function( bRedraw )
{
/* Find settings from table node */
var oSettings = _fnSettingsFromNode( this[DataTable.ext.iApiIndex] );
_fnClearTable( oSettings );
if ( bRedraw === undefined || bRedraw )
{
_fnDraw( oSettings );
}
};
/**
* The exact opposite of 'opening' a row, this function will close any rows which
* are currently 'open'.
* @param {node} nTr the table row to 'close'
* @returns {int} 0 on success, or 1 if failed (can't find the row)
* @dtopt API
*
* @example
* $(document).ready(function() {
* var oTable;
*
* // 'open' an information row when a row is clicked on
* $('#example tbody tr').click( function () {
* if ( oTable.fnIsOpen(this) ) {
* oTable.fnClose( this );
* } else {
* oTable.fnOpen( this, "Temporary row opened", "info_row" );
* }
* } );
*
* oTable = $('#example').dataTable();
* } );
*/
this.fnClose = function( nTr )
{
/* Find settings from table node */
var oSettings = _fnSettingsFromNode( this[DataTable.ext.iApiIndex] );
for ( var i=0 ; i<oSettings.aoOpenRows.length ; i++ )
{
if ( oSettings.aoOpenRows[i].nParent == nTr )
{
var nTrParent = oSettings.aoOpenRows[i].nTr.parentNode;
if ( nTrParent )
{
/* Remove it if it is currently on display */
nTrParent.removeChild( oSettings.aoOpenRows[i].nTr );
}
oSettings.aoOpenRows.splice( i, 1 );
return 0;
}
}
return 1;
};
/**
* Remove a row for the table
* @param {mixed} mTarget The index of the row from aoData to be deleted, or
* the TR element you want to delete
* @param {function|null} [fnCallBack] Callback function
* @param {bool} [bRedraw=true] Redraw the table or not
* @returns {array} The row that was deleted
* @dtopt API
*
* @example
* $(document).ready(function() {
* var oTable = $('#example').dataTable();
*
* // Immediately remove the first row
* oTable.fnDeleteRow( 0 );
* } );
*/
this.fnDeleteRow = function( mTarget, fnCallBack, bRedraw )
{
/* Find settings from table node */
var oSettings = _fnSettingsFromNode( this[DataTable.ext.iApiIndex] );
var i, iLen, iAODataIndex;
iAODataIndex = (typeof mTarget === 'object') ?
_fnNodeToDataIndex(oSettings, mTarget) : mTarget;
/* Return the data array from this row */
var oData = oSettings.aoData.splice( iAODataIndex, 1 );
/* Update the _DT_RowIndex parameter */
for ( i=0, iLen=oSettings.aoData.length ; i<iLen ; i++ )
{
if ( oSettings.aoData[i].nTr !== null )
{
oSettings.aoData[i].nTr._DT_RowIndex = i;
}
}
/* Remove the target row from the search array */
var iDisplayIndex = $.inArray( iAODataIndex, oSettings.aiDisplay );
oSettings.asDataSearch.splice( iDisplayIndex, 1 );
/* Delete from the display arrays */
_fnDeleteIndex( oSettings.aiDisplayMaster, iAODataIndex );
_fnDeleteIndex( oSettings.aiDisplay, iAODataIndex );
/* If there is a user callback function - call it */
if ( typeof fnCallBack === "function" )
{
fnCallBack.call( this, oSettings, oData );
}
/* Check for an 'overflow' they case for dislaying the table */
if ( oSettings._iDisplayStart >= oSettings.aiDisplay.length )
{
oSettings._iDisplayStart -= oSettings._iDisplayLength;
if ( oSettings._iDisplayStart < 0 )
{
oSettings._iDisplayStart = 0;
}
}
if ( bRedraw === undefined || bRedraw )
{
_fnCalculateEnd( oSettings );
_fnDraw( oSettings );
}
return oData;
};
/**
* Restore the table to it's original state in the DOM by removing all of DataTables
* enhancements, alterations to the DOM structure of the table and event listeners.
* @param {boolean} [bRemove=false] Completely remove the table from the DOM
* @dtopt API
*
* @example
* $(document).ready(function() {
* // This example is fairly pointless in reality, but shows how fnDestroy can be used
* var oTable = $('#example').dataTable();
* oTable.fnDestroy();
* } );
*/
this.fnDestroy = function ( bRemove )
{
var oSettings = _fnSettingsFromNode( this[DataTable.ext.iApiIndex] );
var nOrig = oSettings.nTableWrapper.parentNode;
var nBody = oSettings.nTBody;
var i, iLen;
bRemove = (bRemove===undefined) ? false : true;
/* Flag to note that the table is currently being destroyed - no action should be taken */
oSettings.bDestroying = true;
/* Restore hidden columns */
for ( i=0, iLen=oSettings.aoDestroyCallback.length ; i<iLen ; i++ ) {
oSettings.aoDestroyCallback[i].fn();
}
/* Restore hidden columns */
for ( i=0, iLen=oSettings.aoColumns.length ; i<iLen ; i++ )
{
if ( oSettings.aoColumns[i].bVisible === false )
{
this.fnSetColumnVis( i, true );
}
}
/* Blitz all DT events */
$(oSettings.nTableWrapper).find('*').andSelf().unbind('.DT');
/* If there is an 'empty' indicator row, remove it */
$('tbody>tr>td.'+oSettings.oClasses.sRowEmpty, oSettings.nTable).parent().remove();
/* When scrolling we had to break the table up - restore it */
if ( oSettings.nTable != oSettings.nTHead.parentNode )
{
$(oSettings.nTable).children('thead').remove();
oSettings.nTable.appendChild( oSettings.nTHead );
}
if ( oSettings.nTFoot && oSettings.nTable != oSettings.nTFoot.parentNode )
{
$(oSettings.nTable).children('tfoot').remove();
oSettings.nTable.appendChild( oSettings.nTFoot );
}
/* Remove the DataTables generated nodes, events and classes */
oSettings.nTable.parentNode.removeChild( oSettings.nTable );
$(oSettings.nTableWrapper).remove();
oSettings.aaSorting = [];
oSettings.aaSortingFixed = [];
_fnSortingClasses( oSettings );
$(_fnGetTrNodes( oSettings )).removeClass( oSettings.asStripeClasses.join(' ') );
$('th, td', oSettings.nTHead).removeClass( [
oSettings.oClasses.sSortable,
oSettings.oClasses.sSortableAsc,
oSettings.oClasses.sSortableDesc,
oSettings.oClasses.sSortableNone ].join(' ')
);
if ( oSettings.bJUI )
{
$('th span.'+oSettings.oClasses.sSortIcon
+ ', td span.'+oSettings.oClasses.sSortIcon, oSettings.nTHead).remove();
$('th, td', oSettings.nTHead).each( function () {
var jqWrapper = $('div.'+oSettings.oClasses.sSortJUIWrapper, this);
var kids = jqWrapper.contents();
$(this).append( kids );
jqWrapper.remove();
} );
}
/* Add the TR elements back into the table in their original order */
if ( !bRemove && oSettings.nTableReinsertBefore )
{
nOrig.insertBefore( oSettings.nTable, oSettings.nTableReinsertBefore );
}
else if ( !bRemove )
{
nOrig.appendChild( oSettings.nTable );
}
for ( i=0, iLen=oSettings.aoData.length ; i<iLen ; i++ )
{
if ( oSettings.aoData[i].nTr !== null )
{
nBody.appendChild( oSettings.aoData[i].nTr );
}
}
/* Restore the width of the original table */
if ( oSettings.oFeatures.bAutoWidth === true )
{
oSettings.nTable.style.width = _fnStringToCss(oSettings.sDestroyWidth);
}
/* If the were originally odd/even type classes - then we add them back here. Note
* this is not fool proof (for example if not all rows as odd/even classes - but
* it's a good effort without getting carried away
*/
$(nBody).children('tr:even').addClass( oSettings.asDestroyStripes[0] );
$(nBody).children('tr:odd').addClass( oSettings.asDestroyStripes[1] );
/* Remove the settings object from the settings array */
for ( i=0, iLen=DataTable.settings.length ; i<iLen ; i++ )
{
if ( DataTable.settings[i] == oSettings )
{
DataTable.settings.splice( i, 1 );
}
}
/* End it all */
oSettings = null;
};
/**
* Redraw the table
* @param {bool} [bComplete=true] Re-filter and resort (if enabled) the table before the draw.
* @dtopt API
*
* @example
* $(document).ready(function() {
* var oTable = $('#example').dataTable();
*
* // Re-draw the table - you wouldn't want to do it here, but it's an example :-)
* oTable.fnDraw();
* } );
*/
this.fnDraw = function( bComplete )
{
var oSettings = _fnSettingsFromNode( this[DataTable.ext.iApiIndex] );
if ( bComplete )
{
_fnCalculateEnd( oSettings );
_fnDraw( oSettings );
}
else
{
_fnReDraw( oSettings );
}
};
/**
* Filter the input based on data
* @param {string} sInput String to filter the table on
* @param {int|null} [iColumn] Column to limit filtering to
* @param {bool} [bRegex=false] Treat as regular expression or not
* @param {bool} [bSmart=true] Perform smart filtering or not
* @param {bool} [bShowGlobal=true] Show the input global filter in it's input box(es)
* @param {bool} [bCaseInsensitive=true] Do case-insensitive matching (true) or not (false)
* @dtopt API
*
* @example
* $(document).ready(function() {
* var oTable = $('#example').dataTable();
*
* // Sometime later - filter...
* oTable.fnFilter( 'test string' );
* } );
*/
this.fnFilter = function( sInput, iColumn, bRegex, bSmart, bShowGlobal, bCaseInsensitive )
{
var oSettings = _fnSettingsFromNode( this[DataTable.ext.iApiIndex] );
if ( !oSettings.oFeatures.bFilter )
{
return;
}
if ( bRegex === undefined || bRegex === null )
{
bRegex = false;
}
if ( bSmart === undefined || bSmart === null )
{
bSmart = true;
}
if ( bShowGlobal === undefined || bShowGlobal === null )
{
bShowGlobal = true;
}
if ( bCaseInsensitive === undefined || bCaseInsensitive === null )
{
bCaseInsensitive = true;
}
if ( iColumn === undefined || iColumn === null )
{
/* Global filter */
_fnFilterComplete( oSettings, {
"sSearch":sInput+"",
"bRegex": bRegex,
"bSmart": bSmart,
"bCaseInsensitive": bCaseInsensitive
}, 1 );
if ( bShowGlobal && oSettings.aanFeatures.f )
{
var n = oSettings.aanFeatures.f;
for ( var i=0, iLen=n.length ; i<iLen ; i++ )
{
$('input', n[i]).val( sInput );
}
}
}
else
{
/* Single column filter */
$.extend( oSettings.aoPreSearchCols[ iColumn ], {
"sSearch": sInput+"",
"bRegex": bRegex,
"bSmart": bSmart,
"bCaseInsensitive": bCaseInsensitive
} );
_fnFilterComplete( oSettings, oSettings.oPreviousSearch, 1 );
}
};
/**
* Get the data for the whole table, an individual row or an individual cell based on the
* provided parameters.
* @param {int|node} [mRow] A TR row node, TD/TH cell node or an integer. If given as
* a TR node then the data source for the whole row will be returned. If given as a
* TD/TH cell node then iCol will be automatically calculated and the data for the
* cell returned. If given as an integer, then this is treated as the aoData internal
* data index for the row (see fnGetPosition) and the data for that row used.
* @param {int} [iCol] Optional column index that you want the data of.
* @returns {array|object|string} If mRow is undefined, then the data for all rows is
* returned. If mRow is defined, just data for that row, and is iCol is
* defined, only data for the designated cell is returned.
* @dtopt API
*
* @example
* // Row data
* $(document).ready(function() {
* oTable = $('#example').dataTable();
*
* oTable.$('tr').click( function () {
* var data = oTable.fnGetData( this );
* // ... do something with the array / object of data for the row
* } );
* } );
*
* @example
* // Individual cell data
* $(document).ready(function() {
* oTable = $('#example').dataTable();
*
* oTable.$('td').click( function () {
* var sData = oTable.fnGetData( this );
* alert( 'The cell clicked on had the value of '+sData );
* } );
* } );
*/
this.fnGetData = function( mRow, iCol )
{
var oSettings = _fnSettingsFromNode( this[DataTable.ext.iApiIndex] );
if ( mRow !== undefined )
{
var iRow = mRow;
if ( typeof mRow === 'object' )
{
var sNode = mRow.nodeName.toLowerCase();
if (sNode === "tr" )
{
iRow = _fnNodeToDataIndex(oSettings, mRow);
}
else if ( sNode === "td" )
{
iRow = _fnNodeToDataIndex(oSettings, mRow.parentNode);
iCol = _fnNodeToColumnIndex( oSettings, iRow, mRow );
}
}
if ( iCol !== undefined )
{
return _fnGetCellData( oSettings, iRow, iCol, '' );
}
return (oSettings.aoData[iRow]!==undefined) ?
oSettings.aoData[iRow]._aData : null;
}
return _fnGetDataMaster( oSettings );
};
/**
* Get an array of the TR nodes that are used in the table's body. Note that you will
* typically want to use the '$' API method in preference to this as it is more
* flexible.
* @param {int} [iRow] Optional row index for the TR element you want
* @returns {array|node} If iRow is undefined, returns an array of all TR elements
* in the table's body, or iRow is defined, just the TR element requested.
* @dtopt API
*
* @example
* $(document).ready(function() {
* var oTable = $('#example').dataTable();
*
* // Get the nodes from the table
* var nNodes = oTable.fnGetNodes( );
* } );
*/
this.fnGetNodes = function( iRow )
{
var oSettings = _fnSettingsFromNode( this[DataTable.ext.iApiIndex] );
if ( iRow !== undefined ) {
return (oSettings.aoData[iRow]!==undefined) ?
oSettings.aoData[iRow].nTr : null;
}
return _fnGetTrNodes( oSettings );
};
/**
* Get the array indexes of a particular cell from it's DOM element
* and column index including hidden columns
* @param {node} nNode this can either be a TR, TD or TH in the table's body
* @returns {int} If nNode is given as a TR, then a single index is returned, or
* if given as a cell, an array of [row index, column index (visible)] is given.
* @dtopt API
*
* @example
* $(document).ready(function() {
* $('#example tbody td').click( function () {
* // Get the position of the current data from the node
* var aPos = oTable.fnGetPosition( this );
*
* // Get the data array for this row
* var aData = oTable.fnGetData( aPos[0] );
*
* // Update the data array and return the value
* aData[ aPos[1] ] = 'clicked';
* this.innerHTML = 'clicked';
* } );
*
* // Init DataTables
* oTable = $('#example').dataTable();
* } );
*/
this.fnGetPosition = function( nNode )
{
var oSettings = _fnSettingsFromNode( this[DataTable.ext.iApiIndex] );
var sNodeName = nNode.nodeName.toUpperCase();
if ( sNodeName == "TR" )
{
return _fnNodeToDataIndex(oSettings, nNode);
}
else if ( sNodeName == "TD" || sNodeName == "TH" )
{
var iDataIndex = _fnNodeToDataIndex( oSettings, nNode.parentNode );
var iColumnIndex = _fnNodeToColumnIndex( oSettings, iDataIndex, nNode );
return [ iDataIndex, _fnColumnIndexToVisible(oSettings, iColumnIndex ), iColumnIndex ];
}
return null;
};
/**
* Check to see if a row is 'open' or not.
* @param {node} nTr the table row to check
* @returns {boolean} true if the row is currently open, false otherwise
* @dtopt API
*
* @example
* $(document).ready(function() {
* var oTable;
*
* // 'open' an information row when a row is clicked on
* $('#example tbody tr').click( function () {
* if ( oTable.fnIsOpen(this) ) {
* oTable.fnClose( this );
* } else {
* oTable.fnOpen( this, "Temporary row opened", "info_row" );
* }
* } );
*
* oTable = $('#example').dataTable();
* } );
*/
this.fnIsOpen = function( nTr )
{
var oSettings = _fnSettingsFromNode( this[DataTable.ext.iApiIndex] );
var aoOpenRows = oSettings.aoOpenRows;
for ( var i=0 ; i<oSettings.aoOpenRows.length ; i++ )
{
if ( oSettings.aoOpenRows[i].nParent == nTr )
{
return true;
}
}
return false;
};
/**
* This function will place a new row directly after a row which is currently
* on display on the page, with the HTML contents that is passed into the
* function. This can be used, for example, to ask for confirmation that a
* particular record should be deleted.
* @param {node} nTr The table row to 'open'
* @param {string|node|jQuery} mHtml The HTML to put into the row
* @param {string} sClass Class to give the new TD cell
* @returns {node} The row opened. Note that if the table row passed in as the
* first parameter, is not found in the table, this method will silently
* return.
* @dtopt API
*
* @example
* $(document).ready(function() {
* var oTable;
*
* // 'open' an information row when a row is clicked on
* $('#example tbody tr').click( function () {
* if ( oTable.fnIsOpen(this) ) {
* oTable.fnClose( this );
* } else {
* oTable.fnOpen( this, "Temporary row opened", "info_row" );
* }
* } );
*
* oTable = $('#example').dataTable();
* } );
*/
this.fnOpen = function( nTr, mHtml, sClass )
{
/* Find settings from table node */
var oSettings = _fnSettingsFromNode( this[DataTable.ext.iApiIndex] );
/* Check that the row given is in the table */
var nTableRows = _fnGetTrNodes( oSettings );
if ( $.inArray(nTr, nTableRows) === -1 )
{
return;
}
/* the old open one if there is one */
this.fnClose( nTr );
var nNewRow = document.createElement("tr");
var nNewCell = document.createElement("td");
nNewRow.appendChild( nNewCell );
nNewCell.className = sClass;
nNewCell.colSpan = _fnVisbleColumns( oSettings );
if (typeof mHtml === "string")
{
nNewCell.innerHTML = mHtml;
}
else
{
$(nNewCell).html( mHtml );
}
/* If the nTr isn't on the page at the moment - then we don't insert at the moment */
var nTrs = $('tr', oSettings.nTBody);
if ( $.inArray(nTr, nTrs) != -1 )
{
$(nNewRow).insertAfter(nTr);
}
oSettings.aoOpenRows.push( {
"nTr": nNewRow,
"nParent": nTr
} );
return nNewRow;
};
/**
* Change the pagination - provides the internal logic for pagination in a simple API
* function. With this function you can have a DataTables table go to the next,
* previous, first or last pages.
* @param {string|int} mAction Paging action to take: "first", "previous", "next" or "last"
* or page number to jump to (integer), note that page 0 is the first page.
* @param {bool} [bRedraw=true] Redraw the table or not
* @dtopt API
*
* @example
* $(document).ready(function() {
* var oTable = $('#example').dataTable();
* oTable.fnPageChange( 'next' );
* } );
*/
this.fnPageChange = function ( mAction, bRedraw )
{
var oSettings = _fnSettingsFromNode( this[DataTable.ext.iApiIndex] );
_fnPageChange( oSettings, mAction );
_fnCalculateEnd( oSettings );
if ( bRedraw === undefined || bRedraw )
{
_fnDraw( oSettings );
}
};
/**
* Show a particular column
* @param {int} iCol The column whose display should be changed
* @param {bool} bShow Show (true) or hide (false) the column
* @param {bool} [bRedraw=true] Redraw the table or not
* @dtopt API
*
* @example
* $(document).ready(function() {
* var oTable = $('#example').dataTable();
*
* // Hide the second column after initialisation
* oTable.fnSetColumnVis( 1, false );
* } );
*/
this.fnSetColumnVis = function ( iCol, bShow, bRedraw )
{
var oSettings = _fnSettingsFromNode( this[DataTable.ext.iApiIndex] );
var i, iLen;
var aoColumns = oSettings.aoColumns;
var aoData = oSettings.aoData;
var nTd, nCell, anTrs, jqChildren, bAppend, iBefore;
/* No point in doing anything if we are requesting what is already true */
if ( aoColumns[iCol].bVisible == bShow )
{
return;
}
/* Show the column */
if ( bShow )
{
var iInsert = 0;
for ( i=0 ; i<iCol ; i++ )
{
if ( aoColumns[i].bVisible )
{
iInsert++;
}
}
/* Need to decide if we should use appendChild or insertBefore */
bAppend = (iInsert >= _fnVisbleColumns( oSettings ));
/* Which coloumn should we be inserting before? */
if ( !bAppend )
{
for ( i=iCol ; i<aoColumns.length ; i++ )
{
if ( aoColumns[i].bVisible )
{
iBefore = i;
break;
}
}
}
for ( i=0, iLen=aoData.length ; i<iLen ; i++ )
{
if ( aoData[i].nTr !== null )
{
if ( bAppend )
{
aoData[i].nTr.appendChild(
aoData[i]._anHidden[iCol]
);
}
else
{
aoData[i].nTr.insertBefore(
aoData[i]._anHidden[iCol],
_fnGetTdNodes( oSettings, i )[iBefore] );
}
}
}
}
else
{
/* Remove a column from display */
for ( i=0, iLen=aoData.length ; i<iLen ; i++ )
{
if ( aoData[i].nTr !== null )
{
nTd = _fnGetTdNodes( oSettings, i )[iCol];
aoData[i]._anHidden[iCol] = nTd;
nTd.parentNode.removeChild( nTd );
}
}
}
/* Clear to set the visible flag */
aoColumns[iCol].bVisible = bShow;
/* Redraw the header and footer based on the new column visibility */
_fnDrawHead( oSettings, oSettings.aoHeader );
if ( oSettings.nTFoot )
{
_fnDrawHead( oSettings, oSettings.aoFooter );
}
/* If there are any 'open' rows, then we need to alter the colspan for this col change */
for ( i=0, iLen=oSettings.aoOpenRows.length ; i<iLen ; i++ )
{
oSettings.aoOpenRows[i].nTr.colSpan = _fnVisbleColumns( oSettings );
}
/* Do a redraw incase anything depending on the table columns needs it
* (built-in: scrolling)
*/
if ( bRedraw === undefined || bRedraw )
{
_fnAdjustColumnSizing( oSettings );
_fnDraw( oSettings );
}
_fnSaveState( oSettings );
};
/**
* Get the settings for a particular table for external manipulation
* @returns {object} DataTables settings object. See
* {@link DataTable.models.oSettings}
* @dtopt API
*
* @example
* $(document).ready(function() {
* var oTable = $('#example').dataTable();
* var oSettings = oTable.fnSettings();
*
* // Show an example parameter from the settings
* alert( oSettings._iDisplayStart );
* } );
*/
this.fnSettings = function()
{
return _fnSettingsFromNode( this[DataTable.ext.iApiIndex] );
};
/**
* Sort the table by a particular row
* @param {int} iCol the data index to sort on. Note that this will not match the
* 'display index' if you have hidden data entries
* @dtopt API
*
* @example
* $(document).ready(function() {
* var oTable = $('#example').dataTable();
*
* // Sort immediately with columns 0 and 1
* oTable.fnSort( [ [0,'asc'], [1,'asc'] ] );
* } );
*/
this.fnSort = function( aaSort )
{
var oSettings = _fnSettingsFromNode( this[DataTable.ext.iApiIndex] );
oSettings.aaSorting = aaSort;
_fnSort( oSettings );
};
/**
* Attach a sort listener to an element for a given column
* @param {node} nNode the element to attach the sort listener to
* @param {int} iColumn the column that a click on this node will sort on
* @param {function} [fnCallback] callback function when sort is run
* @dtopt API
*
* @example
* $(document).ready(function() {
* var oTable = $('#example').dataTable();
*
* // Sort on column 1, when 'sorter' is clicked on
* oTable.fnSortListener( document.getElementById('sorter'), 1 );
* } );
*/
this.fnSortListener = function( nNode, iColumn, fnCallback )
{
_fnSortAttachListener( _fnSettingsFromNode( this[DataTable.ext.iApiIndex] ), nNode, iColumn,
fnCallback );
};
/**
* Update a table cell or row - this method will accept either a single value to
* update the cell with, an array of values with one element for each column or
* an object in the same format as the original data source. The function is
* self-referencing in order to make the multi column updates easier.
* @param {object|array|string} mData Data to update the cell/row with
* @param {node|int} mRow TR element you want to update or the aoData index
* @param {int} [iColumn] The column to update (not used of mData is an array or object)
* @param {bool} [bRedraw=true] Redraw the table or not
* @param {bool} [bAction=true] Perform predraw actions or not
* @returns {int} 0 on success, 1 on error
* @dtopt API
*
* @example
* $(document).ready(function() {
* var oTable = $('#example').dataTable();
* oTable.fnUpdate( 'Example update', 0, 0 ); // Single cell
* oTable.fnUpdate( ['a', 'b', 'c', 'd', 'e'], 1, 0 ); // Row
* } );
*/
this.fnUpdate = function( mData, mRow, iColumn, bRedraw, bAction )
{
var oSettings = _fnSettingsFromNode( this[DataTable.ext.iApiIndex] );
var iVisibleColumn, i, iLen, sDisplay;
var iRow = (typeof mRow === 'object') ?
_fnNodeToDataIndex(oSettings, mRow) : mRow;
if ( oSettings.__fnUpdateDeep === undefined && $.isArray(mData) && typeof mData === 'object' )
{
/* Array update - update the whole row */
oSettings.aoData[iRow]._aData = mData.slice();
/* Flag to the function that we are recursing */
oSettings.__fnUpdateDeep = true;
for ( i=0 ; i<oSettings.aoColumns.length ; i++ )
{
this.fnUpdate( _fnGetCellData( oSettings, iRow, i ), iRow, i, false, false );
}
oSettings.__fnUpdateDeep = undefined;
}
else if ( oSettings.__fnUpdateDeep === undefined && mData !== null && typeof mData === 'object' )
{
/* Object update - update the whole row - assume the developer gets the object right */
oSettings.aoData[iRow]._aData = $.extend( true, {}, mData );
oSettings.__fnUpdateDeep = true;
for ( i=0 ; i<oSettings.aoColumns.length ; i++ )
{
this.fnUpdate( _fnGetCellData( oSettings, iRow, i ), iRow, i, false, false );
}
oSettings.__fnUpdateDeep = undefined;
}
else
{
/* Individual cell update */
_fnSetCellData( oSettings, iRow, iColumn, mData );
sDisplay = _fnGetCellData( oSettings, iRow, iColumn, 'display' );
var oCol = oSettings.aoColumns[iColumn];
if ( oCol.fnRender !== null )
{
sDisplay = _fnRender( oSettings, iRow, iColumn );
if ( oCol.bUseRendered )
{
_fnSetCellData( oSettings, iRow, iColumn, sDisplay );
}
}
if ( oSettings.aoData[iRow].nTr !== null )
{
/* Do the actual HTML update */
_fnGetTdNodes( oSettings, iRow )[iColumn].innerHTML = sDisplay;
}
}
/* Modify the search index for this row (strictly this is likely not needed, since fnReDraw
* will rebuild the search array - however, the redraw might be disabled by the user)
*/
var iDisplayIndex = $.inArray( iRow, oSettings.aiDisplay );
oSettings.asDataSearch[iDisplayIndex] = _fnBuildSearchRow( oSettings,
_fnGetRowData( oSettings, iRow, 'filter' ) );
/* Perform pre-draw actions */
if ( bAction === undefined || bAction )
{
_fnAdjustColumnSizing( oSettings );
}
/* Redraw the table */
if ( bRedraw === undefined || bRedraw )
{
_fnReDraw( oSettings );
}
return 0;
};
/**
* Provide a common method for plug-ins to check the version of DataTables being used, in order
* to ensure compatibility.
* @param {string} sVersion Version string to check for, in the format "X.Y.Z". Note that the
* formats "X" and "X.Y" are also acceptable.
* @returns {boolean} true if this version of DataTables is greater or equal to the required
* version, or false if this version of DataTales is not suitable
* @method
* @dtopt API
*
* @example
* $(document).ready(function() {
* var oTable = $('#example').dataTable();
* alert( oTable.fnVersionCheck( '1.9.0' ) );
* } );
*/
this.fnVersionCheck = DataTable.ext.fnVersionCheck;
/*
* This is really a good bit rubbish this method of exposing the internal methods
* publically... - To be fixed in 2.0 using methods on the prototype
*/
/**
* Create a wrapper function for exporting an internal functions to an external API.
* @param {string} sFunc API function name
* @returns {function} wrapped function
* @memberof DataTable#oApi
*/
function _fnExternApiFunc (sFunc)
{
return function() {
var aArgs = [_fnSettingsFromNode(this[DataTable.ext.iApiIndex])].concat(
Array.prototype.slice.call(arguments) );
return DataTable.ext.oApi[sFunc].apply( this, aArgs );
};
}
/**
* Reference to internal functions for use by plug-in developers. Note that these
* methods are references to internal functions and are considered to be private.
* If you use these methods, be aware that they are liable to change between versions
* (check the upgrade notes).
* @namespace
*/
this.oApi = {
"_fnExternApiFunc": _fnExternApiFunc,
"_fnInitialise": _fnInitialise,
"_fnInitComplete": _fnInitComplete,
"_fnLanguageCompat": _fnLanguageCompat,
"_fnAddColumn": _fnAddColumn,
"_fnColumnOptions": _fnColumnOptions,
"_fnAddData": _fnAddData,
"_fnCreateTr": _fnCreateTr,
"_fnGatherData": _fnGatherData,
"_fnBuildHead": _fnBuildHead,
"_fnDrawHead": _fnDrawHead,
"_fnDraw": _fnDraw,
"_fnReDraw": _fnReDraw,
"_fnAjaxUpdate": _fnAjaxUpdate,
"_fnAjaxParameters": _fnAjaxParameters,
"_fnAjaxUpdateDraw": _fnAjaxUpdateDraw,
"_fnServerParams": _fnServerParams,
"_fnAddOptionsHtml": _fnAddOptionsHtml,
"_fnFeatureHtmlTable": _fnFeatureHtmlTable,
"_fnScrollDraw": _fnScrollDraw,
"_fnAdjustColumnSizing": _fnAdjustColumnSizing,
"_fnFeatureHtmlFilter": _fnFeatureHtmlFilter,
"_fnFilterComplete": _fnFilterComplete,
"_fnFilterCustom": _fnFilterCustom,
"_fnFilterColumn": _fnFilterColumn,
"_fnFilter": _fnFilter,
"_fnBuildSearchArray": _fnBuildSearchArray,
"_fnBuildSearchRow": _fnBuildSearchRow,
"_fnFilterCreateSearch": _fnFilterCreateSearch,
"_fnDataToSearch": _fnDataToSearch,
"_fnSort": _fnSort,
"_fnSortAttachListener": _fnSortAttachListener,
"_fnSortingClasses": _fnSortingClasses,
"_fnFeatureHtmlPaginate": _fnFeatureHtmlPaginate,
"_fnPageChange": _fnPageChange,
"_fnFeatureHtmlInfo": _fnFeatureHtmlInfo,
"_fnUpdateInfo": _fnUpdateInfo,
"_fnFeatureHtmlLength": _fnFeatureHtmlLength,
"_fnFeatureHtmlProcessing": _fnFeatureHtmlProcessing,
"_fnProcessingDisplay": _fnProcessingDisplay,
"_fnVisibleToColumnIndex": _fnVisibleToColumnIndex,
"_fnColumnIndexToVisible": _fnColumnIndexToVisible,
"_fnNodeToDataIndex": _fnNodeToDataIndex,
"_fnVisbleColumns": _fnVisbleColumns,
"_fnCalculateEnd": _fnCalculateEnd,
"_fnConvertToWidth": _fnConvertToWidth,
"_fnCalculateColumnWidths": _fnCalculateColumnWidths,
"_fnScrollingWidthAdjust": _fnScrollingWidthAdjust,
"_fnGetWidestNode": _fnGetWidestNode,
"_fnGetMaxLenString": _fnGetMaxLenString,
"_fnStringToCss": _fnStringToCss,
"_fnDetectType": _fnDetectType,
"_fnSettingsFromNode": _fnSettingsFromNode,
"_fnGetDataMaster": _fnGetDataMaster,
"_fnGetTrNodes": _fnGetTrNodes,
"_fnGetTdNodes": _fnGetTdNodes,
"_fnEscapeRegex": _fnEscapeRegex,
"_fnDeleteIndex": _fnDeleteIndex,
"_fnReOrderIndex": _fnReOrderIndex,
"_fnColumnOrdering": _fnColumnOrdering,
"_fnLog": _fnLog,
"_fnClearTable": _fnClearTable,
"_fnSaveState": _fnSaveState,
"_fnLoadState": _fnLoadState,
"_fnCreateCookie": _fnCreateCookie,
"_fnReadCookie": _fnReadCookie,
"_fnDetectHeader": _fnDetectHeader,
"_fnGetUniqueThs": _fnGetUniqueThs,
"_fnScrollBarWidth": _fnScrollBarWidth,
"_fnApplyToChildren": _fnApplyToChildren,
"_fnMap": _fnMap,
"_fnGetRowData": _fnGetRowData,
"_fnGetCellData": _fnGetCellData,
"_fnSetCellData": _fnSetCellData,
"_fnGetObjectDataFn": _fnGetObjectDataFn,
"_fnSetObjectDataFn": _fnSetObjectDataFn,
"_fnApplyColumnDefs": _fnApplyColumnDefs,
"_fnBindAction": _fnBindAction,
"_fnExtend": _fnExtend,
"_fnCallbackReg": _fnCallbackReg,
"_fnCallbackFire": _fnCallbackFire,
"_fnJsonString": _fnJsonString,
"_fnRender": _fnRender,
"_fnNodeToColumnIndex": _fnNodeToColumnIndex
};
$.extend( DataTable.ext.oApi, this.oApi );
for ( var sFunc in DataTable.ext.oApi )
{
if ( sFunc )
{
this[sFunc] = _fnExternApiFunc(sFunc);
}
}
var _that = this;
return this.each(function() {
var i=0, iLen, j, jLen, k, kLen;
var sId = this.getAttribute( 'id' );
var bInitHandedOff = false;
var bUsePassedData = false;
/* Sanity check */
if ( this.nodeName.toLowerCase() != 'table' )
{
_fnLog( null, 0, "Attempted to initialise DataTables on a node which is not a "+
"table: "+this.nodeName );
return;
}
/* Check to see if we are re-initialising a table */
for ( i=0, iLen=DataTable.settings.length ; i<iLen ; i++ )
{
/* Base check on table node */
if ( DataTable.settings[i].nTable == this )
{
if ( oInit === undefined || oInit.bRetrieve )
{
return DataTable.settings[i].oInstance;
}
else if ( oInit.bDestroy )
{
DataTable.settings[i].oInstance.fnDestroy();
break;
}
else
{
_fnLog( DataTable.settings[i], 0, "Cannot reinitialise DataTable.\n\n"+
"To retrieve the DataTables object for this table, pass no arguments or see "+
"the docs for bRetrieve and bDestroy" );
return;
}
}
/* If the element we are initialising has the same ID as a table which was previously
* initialised, but the table nodes don't match (from before) then we destroy the old
* instance by simply deleting it. This is under the assumption that the table has been
* destroyed by other methods. Anyone using non-id selectors will need to do this manually
*/
if ( DataTable.settings[i].sTableId == this.id )
{
DataTable.settings.splice( i, 1 );
break;
}
}
/* Ensure the table has an ID - required for accessibility */
if ( sId === null )
{
sId = "DataTables_Table_"+(DataTable.ext._oExternConfig.iNextUnique++);
this.id = sId;
}
/* Create the settings object for this table and set some of the default parameters */
var oSettings = $.extend( true, {}, DataTable.models.oSettings, {
"nTable": this,
"oApi": _that.oApi,
"oInit": oInit,
"sDestroyWidth": $(this).width(),
"sInstance": sId,
"sTableId": sId
} );
DataTable.settings.push( oSettings );
// Need to add the instance after the instance after the settings object has been added
// to the settings array, so we can self reference the table instance if more than one
oSettings.oInstance = (_that.length===1) ? _that : $(this).dataTable();
/* Setting up the initialisation object */
if ( !oInit )
{
oInit = {};
}
// Backwards compatibility, before we apply all the defaults
if ( oInit.oLanguage )
{
_fnLanguageCompat( oInit.oLanguage );
}
oInit = _fnExtend( $.extend(true, {}, DataTable.defaults), oInit );
// Map the initialisation options onto the settings object
_fnMap( oSettings.oFeatures, oInit, "bPaginate" );
_fnMap( oSettings.oFeatures, oInit, "bLengthChange" );
_fnMap( oSettings.oFeatures, oInit, "bFilter" );
_fnMap( oSettings.oFeatures, oInit, "bSort" );
_fnMap( oSettings.oFeatures, oInit, "bInfo" );
_fnMap( oSettings.oFeatures, oInit, "bProcessing" );
_fnMap( oSettings.oFeatures, oInit, "bAutoWidth" );
_fnMap( oSettings.oFeatures, oInit, "bSortClasses" );
_fnMap( oSettings.oFeatures, oInit, "bServerSide" );
_fnMap( oSettings.oFeatures, oInit, "bDeferRender" );
_fnMap( oSettings.oScroll, oInit, "sScrollX", "sX" );
_fnMap( oSettings.oScroll, oInit, "sScrollXInner", "sXInner" );
_fnMap( oSettings.oScroll, oInit, "sScrollY", "sY" );
_fnMap( oSettings.oScroll, oInit, "bScrollCollapse", "bCollapse" );
_fnMap( oSettings.oScroll, oInit, "bScrollInfinite", "bInfinite" );
_fnMap( oSettings.oScroll, oInit, "iScrollLoadGap", "iLoadGap" );
_fnMap( oSettings.oScroll, oInit, "bScrollAutoCss", "bAutoCss" );
_fnMap( oSettings, oInit, "asStripClasses", "asStripeClasses" ); // legacy
_fnMap( oSettings, oInit, "asStripeClasses" );
_fnMap( oSettings, oInit, "fnServerData" );
_fnMap( oSettings, oInit, "fnFormatNumber" );
_fnMap( oSettings, oInit, "sServerMethod" );
_fnMap( oSettings, oInit, "aaSorting" );
_fnMap( oSettings, oInit, "aaSortingFixed" );
_fnMap( oSettings, oInit, "aLengthMenu" );
_fnMap( oSettings, oInit, "sPaginationType" );
_fnMap( oSettings, oInit, "sAjaxSource" );
_fnMap( oSettings, oInit, "sAjaxDataProp" );
_fnMap( oSettings, oInit, "iCookieDuration" );
_fnMap( oSettings, oInit, "sCookiePrefix" );
_fnMap( oSettings, oInit, "sDom" );
_fnMap( oSettings, oInit, "bSortCellsTop" );
_fnMap( oSettings, oInit, "iTabIndex" );
_fnMap( oSettings, oInit, "oSearch", "oPreviousSearch" );
_fnMap( oSettings, oInit, "aoSearchCols", "aoPreSearchCols" );
_fnMap( oSettings, oInit, "iDisplayLength", "_iDisplayLength" );
_fnMap( oSettings, oInit, "bJQueryUI", "bJUI" );
_fnMap( oSettings, oInit, "fnCookieCallback" );
_fnMap( oSettings, oInit, "fnStateLoad" );
_fnMap( oSettings, oInit, "fnStateSave" );
_fnMap( oSettings.oLanguage, oInit, "fnInfoCallback" );
/* Callback functions which are array driven */
_fnCallbackReg( oSettings, 'aoDrawCallback', oInit.fnDrawCallback, 'user' );
_fnCallbackReg( oSettings, 'aoServerParams', oInit.fnServerParams, 'user' );
_fnCallbackReg( oSettings, 'aoStateSaveParams', oInit.fnStateSaveParams, 'user' );
_fnCallbackReg( oSettings, 'aoStateLoadParams', oInit.fnStateLoadParams, 'user' );
_fnCallbackReg( oSettings, 'aoStateLoaded', oInit.fnStateLoaded, 'user' );
_fnCallbackReg( oSettings, 'aoRowCallback', oInit.fnRowCallback, 'user' );
_fnCallbackReg( oSettings, 'aoRowCreatedCallback', oInit.fnCreatedRow, 'user' );
_fnCallbackReg( oSettings, 'aoHeaderCallback', oInit.fnHeaderCallback, 'user' );
_fnCallbackReg( oSettings, 'aoFooterCallback', oInit.fnFooterCallback, 'user' );
_fnCallbackReg( oSettings, 'aoInitComplete', oInit.fnInitComplete, 'user' );
_fnCallbackReg( oSettings, 'aoPreDrawCallback', oInit.fnPreDrawCallback, 'user' );
if ( oSettings.oFeatures.bServerSide && oSettings.oFeatures.bSort &&
oSettings.oFeatures.bSortClasses )
{
/* Enable sort classes for server-side processing. Safe to do it here, since server-side
* processing must be enabled by the developer
*/
_fnCallbackReg( oSettings, 'aoDrawCallback', _fnSortingClasses, 'server_side_sort_classes' );
}
else if ( oSettings.oFeatures.bDeferRender )
{
_fnCallbackReg( oSettings, 'aoDrawCallback', _fnSortingClasses, 'defer_sort_classes' );
}
if ( oInit.bJQueryUI )
{
/* Use the JUI classes object for display. You could clone the oStdClasses object if
* you want to have multiple tables with multiple independent classes
*/
$.extend( oSettings.oClasses, DataTable.ext.oJUIClasses );
if ( oInit.sDom === DataTable.defaults.sDom && DataTable.defaults.sDom === "lfrtip" )
{
/* Set the DOM to use a layout suitable for jQuery UI's theming */
oSettings.sDom = '<"H"lfr>t<"F"ip>';
}
}
else
{
$.extend( oSettings.oClasses, DataTable.ext.oStdClasses );
}
$(this).addClass( oSettings.oClasses.sTable );
/* Calculate the scroll bar width and cache it for use later on */
if ( oSettings.oScroll.sX !== "" || oSettings.oScroll.sY !== "" )
{
oSettings.oScroll.iBarWidth = _fnScrollBarWidth();
}
if ( oSettings.iInitDisplayStart === undefined )
{
/* Display start point, taking into account the save saving */
oSettings.iInitDisplayStart = oInit.iDisplayStart;
oSettings._iDisplayStart = oInit.iDisplayStart;
}
/* Must be done after everything which can be overridden by a cookie! */
if ( oInit.bStateSave )
{
oSettings.oFeatures.bStateSave = true;
_fnLoadState( oSettings, oInit );
_fnCallbackReg( oSettings, 'aoDrawCallback', _fnSaveState, 'state_save' );
}
if ( oInit.iDeferLoading !== null )
{
oSettings.bDeferLoading = true;
oSettings._iRecordsTotal = oInit.iDeferLoading;
oSettings._iRecordsDisplay = oInit.iDeferLoading;
}
if ( oInit.aaData !== null )
{
bUsePassedData = true;
}
/* Language definitions */
if ( oInit.oLanguage.sUrl !== "" )
{
/* Get the language definitions from a file - because this Ajax call makes the language
* get async to the remainder of this function we use bInitHandedOff to indicate that
* _fnInitialise will be fired by the returned Ajax handler, rather than the constructor
*/
oSettings.oLanguage.sUrl = oInit.oLanguage.sUrl;
$.getJSON( oSettings.oLanguage.sUrl, null, function( json ) {
_fnLanguageCompat( json );
$.extend( true, oSettings.oLanguage, oInit.oLanguage, json );
_fnInitialise( oSettings );
} );
bInitHandedOff = true;
}
else
{
$.extend( true, oSettings.oLanguage, oInit.oLanguage );
}
/*
* Stripes
*/
/* Remove row stripe classes if they are already on the table row */
var bStripeRemove = false;
var anRows = $(this).children('tbody').children('tr');
for ( i=0, iLen=oSettings.asStripeClasses.length ; i<iLen ; i++ )
{
if ( anRows.filter(":lt(2)").hasClass( oSettings.asStripeClasses[i]) )
{
bStripeRemove = true;
break;
}
}
if ( bStripeRemove )
{
/* Store the classes which we are about to remove so they can be readded on destroy */
oSettings.asDestroyStripes = [ '', '' ];
if ( $(anRows[0]).hasClass(oSettings.oClasses.sStripeOdd) )
{
oSettings.asDestroyStripes[0] += oSettings.oClasses.sStripeOdd+" ";
}
if ( $(anRows[0]).hasClass(oSettings.oClasses.sStripeEven) )
{
oSettings.asDestroyStripes[0] += oSettings.oClasses.sStripeEven;
}
if ( $(anRows[1]).hasClass(oSettings.oClasses.sStripeOdd) )
{
oSettings.asDestroyStripes[1] += oSettings.oClasses.sStripeOdd+" ";
}
if ( $(anRows[1]).hasClass(oSettings.oClasses.sStripeEven) )
{
oSettings.asDestroyStripes[1] += oSettings.oClasses.sStripeEven;
}
anRows.removeClass( oSettings.asStripeClasses.join(' ') );
}
/*
* Columns
* See if we should load columns automatically or use defined ones
*/
var anThs = [];
var aoColumnsInit;
var nThead = this.getElementsByTagName('thead');
if ( nThead.length !== 0 )
{
_fnDetectHeader( oSettings.aoHeader, nThead[0] );
anThs = _fnGetUniqueThs( oSettings );
}
/* If not given a column array, generate one with nulls */
if ( oInit.aoColumns === null )
{
aoColumnsInit = [];
for ( i=0, iLen=anThs.length ; i<iLen ; i++ )
{
aoColumnsInit.push( null );
}
}
else
{
aoColumnsInit = oInit.aoColumns;
}
/* Add the columns */
for ( i=0, iLen=aoColumnsInit.length ; i<iLen ; i++ )
{
/* Short cut - use the loop to check if we have column visibility state to restore */
if ( oInit.saved_aoColumns !== undefined && oInit.saved_aoColumns.length == iLen )
{
if ( aoColumnsInit[i] === null )
{
aoColumnsInit[i] = {};
}
aoColumnsInit[i].bVisible = oInit.saved_aoColumns[i].bVisible;
}
_fnAddColumn( oSettings, anThs ? anThs[i] : null );
}
/* Apply the column definitions */
_fnApplyColumnDefs( oSettings, oInit.aoColumnDefs, aoColumnsInit, function (iCol, oDef) {
_fnColumnOptions( oSettings, iCol, oDef );
} );
/*
* Sorting
* Check the aaSorting array
*/
for ( i=0, iLen=oSettings.aaSorting.length ; i<iLen ; i++ )
{
if ( oSettings.aaSorting[i][0] >= oSettings.aoColumns.length )
{
oSettings.aaSorting[i][0] = 0;
}
var oColumn = oSettings.aoColumns[ oSettings.aaSorting[i][0] ];
/* Add a default sorting index */
if ( oSettings.aaSorting[i][2] === undefined )
{
oSettings.aaSorting[i][2] = 0;
}
/* If aaSorting is not defined, then we use the first indicator in asSorting */
if ( oInit.aaSorting === undefined && oSettings.saved_aaSorting === undefined )
{
oSettings.aaSorting[i][1] = oColumn.asSorting[0];
}
/* Set the current sorting index based on aoColumns.asSorting */
for ( j=0, jLen=oColumn.asSorting.length ; j<jLen ; j++ )
{
if ( oSettings.aaSorting[i][1] == oColumn.asSorting[j] )
{
oSettings.aaSorting[i][2] = j;
break;
}
}
}
/* Do a first pass on the sorting classes (allows any size changes to be taken into
* account, and also will apply sorting disabled classes if disabled
*/
_fnSortingClasses( oSettings );
/*
* Final init
* Cache the header, body and footer as required, creating them if needed
*/
var thead = $(this).children('thead');
if ( thead.length === 0 )
{
thead = [ document.createElement( 'thead' ) ];
this.appendChild( thead[0] );
}
oSettings.nTHead = thead[0];
var tbody = $(this).children('tbody');
if ( tbody.length === 0 )
{
tbody = [ document.createElement( 'tbody' ) ];
this.appendChild( tbody[0] );
}
oSettings.nTBody = tbody[0];
oSettings.nTBody.setAttribute( "role", "alert" );
oSettings.nTBody.setAttribute( "aria-live", "polite" );
oSettings.nTBody.setAttribute( "aria-relevant", "all" );
var tfoot = $(this).children('tfoot');
if ( tfoot.length > 0 )
{
oSettings.nTFoot = tfoot[0];
_fnDetectHeader( oSettings.aoFooter, oSettings.nTFoot );
}
/* Check if there is data passing into the constructor */
if ( bUsePassedData )
{
for ( i=0 ; i<oInit.aaData.length ; i++ )
{
_fnAddData( oSettings, oInit.aaData[ i ] );
}
}
else
{
/* Grab the data from the page */
_fnGatherData( oSettings );
}
/* Copy the data index array */
oSettings.aiDisplay = oSettings.aiDisplayMaster.slice();
/* Initialisation complete - table can be drawn */
oSettings.bInitialised = true;
/* Check if we need to initialise the table (it might not have been handed off to the
* language processor)
*/
if ( bInitHandedOff === false )
{
_fnInitialise( oSettings );
}
} );
};
/**
* Version string for plug-ins to check compatibility. Allowed format is
* a.b.c.d.e where: a:int, b:int, c:int, d:string(dev|beta), e:int. d and
* e are optional
* @member
* @type string
* @default Version number
*/
DataTable.version = "1.9.0";
/**
* Private data store, containing all of the settings objects that are created for the
* tables on a given page.
*
* Note that the <i>DataTable.settings</i> object is aliased to <i>jQuery.fn.dataTableExt</i>
* through which it may be accessed and manipulated, or <i>jQuery.fn.dataTable.settings</i>.
* @member
* @type array
* @default []
* @private
*/
DataTable.settings = [];
/**
* Object models container, for the various models that DataTables has available
* to it. These models define the objects that are used to hold the active state
* and configuration of the table.
* @namespace
*/
DataTable.models = {};
/**
* DataTables extension options and plug-ins. This namespace acts as a collection "area"
* for plug-ins that can be used to extend the default DataTables behaviour - indeed many
* of the build in methods use this method to provide their own capabilities (sorting methods
* for example).
*
* Note that this namespace is aliased to jQuery.fn.dataTableExt so it can be readily accessed
* and modified by plug-ins.
* @namespace
*/
DataTable.models.ext = {
/**
* Plug-in filtering functions - this method of filtering is complimentary to the default
* type based filtering, and a lot more comprehensive as it allows you complete control
* over the filtering logic. Each element in this array is a function (parameters
* described below) that is called for every row in the table, and your logic decides if
* it should be included in the filtered data set or not.
* <ul>
* <li>
* Function input parameters:
* <ul>
* <li>{object} DataTables settings object: see {@link DataTable.models.oSettings}.</li>
* <li>{array|object} Data for the row to be processed (same as the original format
* that was passed in as the data source, or an array from a DOM data source</li>
* <li>{int} Row index in aoData ({@link DataTable.models.oSettings.aoData}), which can
* be useful to retrieve the TR element if you need DOM interaction.</li>
* </ul>
* </li>
* <li>
* Function return:
* <ul>
* <li>{boolean} Include the row in the filtered result set (true) or not (false)</li>
* </ul>
* </il>
* </ul>
* @type array
* @default []
*
* @example
* // The following example shows custom filtering being applied to the fourth column (i.e.
* // the aData[3] index) based on two input values from the end-user, matching the data in
* // a certain range.
* $.fn.dataTableExt.afnFiltering.push(
* function( oSettings, aData, iDataIndex ) {
* var iMin = document.getElementById('min').value * 1;
* var iMax = document.getElementById('max').value * 1;
* var iVersion = aData[3] == "-" ? 0 : aData[3]*1;
* if ( iMin == "" && iMax == "" ) {
* return true;
* }
* else if ( iMin == "" && iVersion < iMax ) {
* return true;
* }
* else if ( iMin < iVersion && "" == iMax ) {
* return true;
* }
* else if ( iMin < iVersion && iVersion < iMax ) {
* return true;
* }
* return false;
* }
* );
*/
"afnFiltering": [],
/**
* Plug-in sorting functions - this method of sorting is complimentary to the default type
* based sorting that DataTables does automatically, allowing much greater control over the
* the data that is being used to sort a column. This is useful if you want to do sorting
* based on live data (for example the contents of an 'input' element) rather than just the
* static string that DataTables knows of. The way these plug-ins work is that you create
* an array of the values you wish to be sorted for the column in question and then return
* that array. Which pre-sorting function is run here depends on the sSortDataType parameter
* that is used for the column (if any). This is the corollary of <i>ofnSearch</i> for sort
* data.
* <ul>
* <li>
* Function input parameters:
* <ul>
* <li>{object} DataTables settings object: see {@link DataTable.models.oSettings}.</li>
* <li>{int} Target column index</li>
* </ul>
* </li>
* <li>
* Function return:
* <ul>
* <li>{array} Data for the column to be sorted upon</li>
* </ul>
* </il>
* </ul>
*
* Note that as of v1.9, it is typically preferable to use <i>mDataProp</i> to prepare data for
* the different uses that DataTables can put the data to. Specifically <i>mDataProp</i> when
* used as a function will give you a 'type' (sorting, filtering etc) that you can use to
* prepare the data as required for the different types. As such, this method is deprecated.
* @type array
* @default []
* @deprecated
*
* @example
* // Updating the cached sorting information with user entered values in HTML input elements
* jQuery.fn.dataTableExt.afnSortData['dom-text'] = function ( oSettings, iColumn )
* {
* var aData = [];
* $( 'td:eq('+iColumn+') input', oSettings.oApi._fnGetTrNodes(oSettings) ).each( function () {
* aData.push( this.value );
* } );
* return aData;
* }
*/
"afnSortData": [],
/**
* Feature plug-ins - This is an array of objects which describe the feature plug-ins that are
* available to DataTables. These feature plug-ins are accessible through the sDom initialisation
* option. As such, each feature plug-in must describe a function that is used to initialise
* itself (fnInit), a character so the feature can be enabled by sDom (cFeature) and the name
* of the feature (sFeature). Thus the objects attached to this method must provide:
* <ul>
* <li>{function} fnInit Initialisation of the plug-in
* <ul>
* <li>
* Function input parameters:
* <ul>
* <li>{object} DataTables settings object: see {@link DataTable.models.oSettings}.</li>
* </ul>
* </li>
* <li>
* Function return:
* <ul>
* <li>{node|null} The element which contains your feature. Note that the return
* may also be void if your plug-in does not require to inject any DOM elements
* into DataTables control (sDom) - for example this might be useful when
* developing a plug-in which allows table control via keyboard entry.</li>
* </ul>
* </il>
* </ul>
* </li>
* <li>{character} cFeature Character that will be matched in sDom - case sensitive</li>
* <li>{string} sFeature Feature name</li>
* </ul>
* @type array
* @default []
*
* @example
* // How TableTools initialises itself.
* $.fn.dataTableExt.aoFeatures.push( {
* "fnInit": function( oSettings ) {
* return new TableTools( { "oDTSettings": oSettings } );
* },
* "cFeature": "T",
* "sFeature": "TableTools"
* } );
*/
"aoFeatures": [],
/**
* Type detection plug-in functions - DataTables utilises types to define how sorting and
* filtering behave, and types can be either be defined by the developer (sType for the
* column) or they can be automatically detected by the methods in this array. The functions
* defined in the array are quite simple, taking a single parameter (the data to analyse)
* and returning the type if it is a known type, or null otherwise.
* <ul>
* <li>
* Function input parameters:
* <ul>
* <li>{*} Data from the column cell to be analysed</li>
* </ul>
* </li>
* <li>
* Function return:
* <ul>
* <li>{string|null} Data type detected, or null if unknown (and thus pass it
* on to the other type detection functions.</li>
* </ul>
* </il>
* </ul>
* @type array
* @default []
*
* @example
* // Currency type detection plug-in:
* jQuery.fn.dataTableExt.aTypes.push(
* function ( sData ) {
* var sValidChars = "0123456789.-";
* var Char;
*
* // Check the numeric part
* for ( i=1 ; i<sData.length ; i++ ) {
* Char = sData.charAt(i);
* if (sValidChars.indexOf(Char) == -1) {
* return null;
* }
* }
*
* // Check prefixed by currency
* if ( sData.charAt(0) == '$' || sData.charAt(0) == '&pound;' ) {
* return 'currency';
* }
* return null;
* }
* );
*/
"aTypes": [],
/**
* Provide a common method for plug-ins to check the version of DataTables being used,
* in order to ensure compatibility.
* @type function
* @param {string} sVersion Version string to check for, in the format "X.Y.Z". Note
* that the formats "X" and "X.Y" are also acceptable.
* @returns {boolean} true if this version of DataTables is greater or equal to the
* required version, or false if this version of DataTales is not suitable
*
* @example
* $(document).ready(function() {
* var oTable = $('#example').dataTable();
* alert( oTable.fnVersionCheck( '1.9.0' ) );
* } );
*/
"fnVersionCheck": function( sVersion )
{
/* This is cheap, but very effective */
var fnZPad = function (Zpad, count)
{
while(Zpad.length < count) {
Zpad += '0';
}
return Zpad;
};
var aThis = DataTable.ext.sVersion.split('.');
var aThat = sVersion.split('.');
var sThis = '', sThat = '';
for ( var i=0, iLen=aThat.length ; i<iLen ; i++ )
{
sThis += fnZPad( aThis[i], 3 );
sThat += fnZPad( aThat[i], 3 );
}
return parseInt(sThis, 10) >= parseInt(sThat, 10);
},
/**
* Index for what 'this' index API functions should use
* @type int
* @default 0
*/
"iApiIndex": 0,
/**
* Pre-processing of filtering data plug-ins - When you assign the sType for a column
* (or have it automatically detected for you by DataTables or a type detection plug-in),
* you will typically be using this for custom sorting, but it can also be used to provide
* custom filtering by allowing you to pre-processing the data and returning the data in
* the format that should be filtered upon. This is done by adding functions this object
* with a parameter name which matches the sType for that target column. This is the
* corollary of <i>afnSortData</i> for filtering data.
* <ul>
* <li>
* Function input parameters:
* <ul>
* <li>{*} Data from the column cell to be prepared for filtering</li>
* </ul>
* </li>
* <li>
* Function return:
* <ul>
* <li>{string|null} Formatted string that will be used for the filtering.</li>
* </ul>
* </il>
* </ul>
*
* Note that as of v1.9, it is typically preferable to use <i>mDataProp</i> to prepare data for
* the different uses that DataTables can put the data to. Specifically <i>mDataProp</i> when
* used as a function will give you a 'type' (sorting, filtering etc) that you can use to
* prepare the data as required for the different types. As such, this method is deprecated.
* @type object
* @default {}
* @deprecated
*
* @example
* $.fn.dataTableExt.ofnSearch['title-numeric'] = function ( sData ) {
* return sData.replace(/\n/g," ").replace( /<.*?>/g, "" );
* }
*/
"ofnSearch": {},
/**
* Container for all private functions in DataTables so they can be exposed externally
* @type object
* @default {}
*/
"oApi": {},
/**
* Storage for the various classes that DataTables uses
* @type object
* @default {}
*/
"oStdClasses": {},
/**
* Storage for the various classes that DataTables uses - jQuery UI suitable
* @type object
* @default {}
*/
"oJUIClasses": {},
/**
* Pagination plug-in methods - The style and controls of the pagination can significantly
* impact on how the end user interacts with the data in your table, and DataTables allows
* the addition of pagination controls by extending this object, which can then be enabled
* through the <i>sPaginationType</i> initialisation parameter. Each pagination type that
* is added is an object (the property name of which is what <i>sPaginationType</i> refers
* to) that has two properties, both methods that are used by DataTables to update the
* control's state.
* <ul>
* <li>
* fnInit - Initialisation of the paging controls. Called only during initialisation
* of the table. It is expected that this function will add the required DOM elements
* to the page for the paging controls to work. The element pointer
* 'oSettings.aanFeatures.p' array is provided by DataTables to contain the paging
* controls (note that this is a 2D array to allow for multiple instances of each
* DataTables DOM element). It is suggested that you add the controls to this element
* as children
* <ul>
* <li>
* Function input parameters:
* <ul>
* <li>{object} DataTables settings object: see {@link DataTable.models.oSettings}.</li>
* <li>{node} Container into which the pagination controls must be inserted</li>
* <li>{function} Draw callback function - whenever the controls cause a page
* change, this method must be called to redraw the table.</li>
* </ul>
* </li>
* <li>
* Function return:
* <ul>
* <li>No return required</li>
* </ul>
* </il>
* </ul>
* </il>
* <li>
* fnInit - This function is called whenever the paging status of the table changes and is
* typically used to update classes and/or text of the paging controls to reflex the new
* status.
* <ul>
* <li>
* Function input parameters:
* <ul>
* <li>{object} DataTables settings object: see {@link DataTable.models.oSettings}.</li>
* <li>{function} Draw callback function - in case you need to redraw the table again
* or attach new event listeners</li>
* </ul>
* </li>
* <li>
* Function return:
* <ul>
* <li>No return required</li>
* </ul>
* </il>
* </ul>
* </il>
* </ul>
* @type object
* @default {}
*
* @example
* $.fn.dataTableExt.oPagination.four_button = {
* "fnInit": function ( oSettings, nPaging, fnCallbackDraw ) {
* nFirst = document.createElement( 'span' );
* nPrevious = document.createElement( 'span' );
* nNext = document.createElement( 'span' );
* nLast = document.createElement( 'span' );
*
* nFirst.appendChild( document.createTextNode( oSettings.oLanguage.oPaginate.sFirst ) );
* nPrevious.appendChild( document.createTextNode( oSettings.oLanguage.oPaginate.sPrevious ) );
* nNext.appendChild( document.createTextNode( oSettings.oLanguage.oPaginate.sNext ) );
* nLast.appendChild( document.createTextNode( oSettings.oLanguage.oPaginate.sLast ) );
*
* nFirst.className = "paginate_button first";
* nPrevious.className = "paginate_button previous";
* nNext.className="paginate_button next";
* nLast.className = "paginate_button last";
*
* nPaging.appendChild( nFirst );
* nPaging.appendChild( nPrevious );
* nPaging.appendChild( nNext );
* nPaging.appendChild( nLast );
*
* $(nFirst).click( function () {
* oSettings.oApi._fnPageChange( oSettings, "first" );
* fnCallbackDraw( oSettings );
* } );
*
* $(nPrevious).click( function() {
* oSettings.oApi._fnPageChange( oSettings, "previous" );
* fnCallbackDraw( oSettings );
* } );
*
* $(nNext).click( function() {
* oSettings.oApi._fnPageChange( oSettings, "next" );
* fnCallbackDraw( oSettings );
* } );
*
* $(nLast).click( function() {
* oSettings.oApi._fnPageChange( oSettings, "last" );
* fnCallbackDraw( oSettings );
* } );
*
* $(nFirst).bind( 'selectstart', function () { return false; } );
* $(nPrevious).bind( 'selectstart', function () { return false; } );
* $(nNext).bind( 'selectstart', function () { return false; } );
* $(nLast).bind( 'selectstart', function () { return false; } );
* },
*
* "fnUpdate": function ( oSettings, fnCallbackDraw ) {
* if ( !oSettings.aanFeatures.p ) {
* return;
* }
*
* // Loop over each instance of the pager
* var an = oSettings.aanFeatures.p;
* for ( var i=0, iLen=an.length ; i<iLen ; i++ ) {
* var buttons = an[i].getElementsByTagName('span');
* if ( oSettings._iDisplayStart === 0 ) {
* buttons[0].className = "paginate_disabled_previous";
* buttons[1].className = "paginate_disabled_previous";
* }
* else {
* buttons[0].className = "paginate_enabled_previous";
* buttons[1].className = "paginate_enabled_previous";
* }
*
* if ( oSettings.fnDisplayEnd() == oSettings.fnRecordsDisplay() ) {
* buttons[2].className = "paginate_disabled_next";
* buttons[3].className = "paginate_disabled_next";
* }
* else {
* buttons[2].className = "paginate_enabled_next";
* buttons[3].className = "paginate_enabled_next";
* }
* }
* }
* };
*/
"oPagination": {},
/**
* Sorting plug-in methods - Sorting in DataTables is based on the detected type of the
* data column (you can add your own type detection functions, or override automatic
* detection using sType). With this specific type given to the column, DataTables will
* apply the required sort from the functions in the object. Each sort type must provide
* two mandatory methods, one each for ascending and descending sorting, and can optionally
* provide a pre-formatting method that will help speed up sorting by allowing DataTables
* to pre-format the sort data only once (rather than every time the actual sort functions
* are run). The two sorting functions are typical Javascript sort methods:
* <ul>
* <li>
* Function input parameters:
* <ul>
* <li>{*} Data to compare to the second parameter</li>
* <li>{*} Data to compare to the first parameter</li>
* </ul>
* </li>
* <li>
* Function return:
* <ul>
* <li>{int} Sorting match: <0 if first parameter should be sorted lower than
* the second parameter, ===0 if the two parameters are equal and >0 if
* the first parameter should be sorted height than the second parameter.</li>
* </ul>
* </il>
* </ul>
* @type object
* @default {}
*
* @example
* // Case-sensitive string sorting, with no pre-formatting method
* $.extend( $.fn.dataTableExt.oSort, {
* "string-case-asc": function(x,y) {
* return ((x < y) ? -1 : ((x > y) ? 1 : 0));
* },
* "string-case-desc": function(x,y) {
* return ((x < y) ? 1 : ((x > y) ? -1 : 0));
* }
* } );
*
* @example
* // Case-insensitive string sorting, with pre-formatting
* $.extend( $.fn.dataTableExt.oSort, {
* "string-pre": function(x) {
* return x.toLowerCase();
* },
* "string-asc": function(x,y) {
* return ((x < y) ? -1 : ((x > y) ? 1 : 0));
* },
* "string-desc": function(x,y) {
* return ((x < y) ? 1 : ((x > y) ? -1 : 0));
* }
* } );
*/
"oSort": {},
/**
* Version string for plug-ins to check compatibility. Allowed format is
* a.b.c.d.e where: a:int, b:int, c:int, d:string(dev|beta), e:int. d and
* e are optional
* @type string
* @default Version number
*/
"sVersion": DataTable.version,
/**
* How should DataTables report an error. Can take the value 'alert' or 'throw'
* @type string
* @default alert
*/
"sErrMode": "alert",
/**
* Store information for DataTables to access globally about other instances
* @namespace
* @private
*/
"_oExternConfig": {
/* int:iNextUnique - next unique number for an instance */
"iNextUnique": 0
}
};
/**
* Template object for the way in which DataTables holds information about
* search information for the global filter and individual column filters.
* @namespace
*/
DataTable.models.oSearch = {
/**
* Flag to indicate if the filtering should be case insensitive or not
* @type boolean
* @default true
*/
"bCaseInsensitive": true,
/**
* Applied search term
* @type string
* @default <i>Empty string</i>
*/
"sSearch": "",
/**
* Flag to indicate if the search term should be interpreted as a
* regular expression (true) or not (false) and therefore and special
* regex characters escaped.
* @type boolean
* @default false
*/
"bRegex": false,
/**
* Flag to indicate if DataTables is to use its smart filtering or not.
* @type boolean
* @default true
*/
"bSmart": true
};
/**
* Template object for the way in which DataTables holds information about
* each individual row. This is the object format used for the settings
* aoData array.
* @namespace
*/
DataTable.models.oRow = {
/**
* TR element for the row
* @type node
* @default null
*/
"nTr": null,
/**
* Data object from the original data source for the row. This is either
* an array if using the traditional form of DataTables, or an object if
* using mDataProp options. The exact type will depend on the passed in
* data from the data source, or will be an array if using DOM a data
* source.
* @type array|object
* @default []
*/
"_aData": [],
/**
* Sorting data cache - this array is ostensibly the same length as the
* number of columns (although each index is generated only as it is
* needed), and holds the data that is used for sorting each column in the
* row. We do this cache generation at the start of the sort in order that
* the formatting of the sort data need be done only once for each cell
* per sort. This array should not be read from or written to by anything
* other than the master sorting methods.
* @type array
* @default []
* @private
*/
"_aSortData": [],
/**
* Array of TD elements that are cached for hidden rows, so they can be
* reinserted into the table if a column is made visible again (or to act
* as a store if a column is made hidden). Only hidden columns have a
* reference in the array. For non-hidden columns the value is either
* undefined or null.
* @type array nodes
* @default []
* @private
*/
"_anHidden": [],
/**
* Cache of the class name that DataTables has applied to the row, so we
* can quickly look at this variable rather than needing to do a DOM check
* on className for the nTr property.
* @type string
* @default <i>Empty string</i>
* @private
*/
"_sRowStripe": ""
};
/**
* Template object for the column information object in DataTables. This object
* is held in the settings aoColumns array and contains all the information that
* DataTables needs about each individual column.
*
* Note that this object is related to {@link DataTable.defaults.columns}
* but this one is the internal data store for DataTables's cache of columns.
* It should NOT be manipulated outside of DataTables. Any configuration should
* be done through the initialisation options.
* @namespace
*/
DataTable.models.oColumn = {
/**
* A list of the columns that sorting should occur on when this column
* is sorted. That this property is an array allows multi-column sorting
* to be defined for a column (for example first name / last name columns
* would benefit from this). The values are integers pointing to the
* columns to be sorted on (typically it will be a single integer pointing
* at itself, but that doesn't need to be the case).
* @type array
*/
"aDataSort": null,
/**
* Define the sorting directions that are applied to the column, in sequence
* as the column is repeatedly sorted upon - i.e. the first value is used
* as the sorting direction when the column if first sorted (clicked on).
* Sort it again (click again) and it will move on to the next index.
* Repeat until loop.
* @type array
*/
"asSorting": null,
/**
* Flag to indicate if the column is searchable, and thus should be included
* in the filtering or not.
* @type boolean
*/
"bSearchable": null,
/**
* Flag to indicate if the column is sortable or not.
* @type boolean
*/
"bSortable": null,
/**
* When using fnRender, you have two options for what to do with the data,
* and this property serves as the switch. Firstly, you can have the sorting
* and filtering use the rendered value (true - default), or you can have
* the sorting and filtering us the original value (false).
*
* *NOTE* It is it is advisable now to use mDataProp as a function and make
* use of the 'type' that it gives, allowing (potentially) different data to
* be used for sorting, filtering, display and type detection.
* @type boolean
* @deprecated
*/
"bUseRendered": null,
/**
* Flag to indicate if the column is currently visible in the table or not
* @type boolean
*/
"bVisible": null,
/**
* Flag to indicate to the type detection method if the automatic type
* detection should be used, or if a column type (sType) has been specified
* @type boolean
* @default true
* @private
*/
"_bAutoType": true,
/**
* Developer definable function that is called whenever a cell is created (Ajax source,
* etc) or processed for input (DOM source). This can be used as a compliment to fnRender
* allowing you to modify the DOM element (add background colour for example) when the
* element is available (since it is not when fnRender is called).
* @type function
* @param {element} nTd The TD node that has been created
* @param {*} sData The Data for the cell
* @param {array|object} oData The data for the whole row
* @param {int} iRow The row index for the aoData data store
* @default null
*/
"fnCreatedCell": null,
/**
* Function to get data from a cell in a column. You should <b>never</b>
* access data directly through _aData internally in DataTables - always use
* the method attached to this property. It allows mDataProp to function as
* required. This function is automatically assigned by the column
* initialisation method
* @type function
* @param {array|object} oData The data array/object for the array
* (i.e. aoData[]._aData)
* @param {string} sSpecific The specific data type you want to get -
* 'display', 'type' 'filter' 'sort'
* @returns {*} The data for the cell from the given row's data
* @default null
*/
"fnGetData": null,
/**
* Custom display function that will be called for the display of each cell
* in this column.
* @type function
* @param {object} o Object with the following parameters:
* @param {int} o.iDataRow The row in aoData
* @param {int} o.iDataColumn The column in question
* @param {array o.aData The data for the row in question
* @param {object} o.oSettings The settings object for this DataTables instance
* @returns {string} The string you which to use in the display
* @default null
*/
"fnRender": null,
/**
* Function to set data for a cell in the column. You should <b>never</b>
* set the data directly to _aData internally in DataTables - always use
* this method. It allows mDataProp to function as required. This function
* is automatically assigned by the column initialisation method
* @type function
* @param {array|object} oData The data array/object for the array
* (i.e. aoData[]._aData)
* @param {*} sValue Value to set
* @default null
*/
"fnSetData": null,
/**
* Property to read the value for the cells in the column from the data
* source array / object. If null, then the default content is used, if a
* function is given then the return from the function is used.
* @type function|int|string|null
* @default null
*/
"mDataProp": null,
/**
* Unique header TH/TD element for this column - this is what the sorting
* listener is attached to (if sorting is enabled.)
* @type node
* @default null
*/
"nTh": null,
/**
* Unique footer TH/TD element for this column (if there is one). Not used
* in DataTables as such, but can be used for plug-ins to reference the
* footer for each column.
* @type node
* @default null
*/
"nTf": null,
/**
* The class to apply to all TD elements in the table's TBODY for the column
* @type string
* @default null
*/
"sClass": null,
/**
* When DataTables calculates the column widths to assign to each column,
* it finds the longest string in each column and then constructs a
* temporary table and reads the widths from that. The problem with this
* is that "mmm" is much wider then "iiii", but the latter is a longer
* string - thus the calculation can go wrong (doing it properly and putting
* it into an DOM object and measuring that is horribly(!) slow). Thus as
* a "work around" we provide this option. It will append its value to the
* text that is found to be the longest string for the column - i.e. padding.
* @type string
*/
"sContentPadding": null,
/**
* Allows a default value to be given for a column's data, and will be used
* whenever a null data source is encountered (this can be because mDataProp
* is set to null, or because the data source itself is null).
* @type string
* @default null
*/
"sDefaultContent": null,
/**
* Name for the column, allowing reference to the column by name as well as
* by index (needs a lookup to work by name).
* @type string
*/
"sName": null,
/**
* Custom sorting data type - defines which of the available plug-ins in
* afnSortData the custom sorting will use - if any is defined.
* @type string
* @default std
*/
"sSortDataType": 'std',
/**
* Class to be applied to the header element when sorting on this column
* @type string
* @default null
*/
"sSortingClass": null,
/**
* Class to be applied to the header element when sorting on this column -
* when jQuery UI theming is used.
* @type string
* @default null
*/
"sSortingClassJUI": null,
/**
* Title of the column - what is seen in the TH element (nTh).
* @type string
*/
"sTitle": null,
/**
* Column sorting and filtering type
* @type string
* @default null
*/
"sType": null,
/**
* Width of the column
* @type string
* @default null
*/
"sWidth": null,
/**
* Width of the column when it was first "encountered"
* @type string
* @default null
*/
"sWidthOrig": null
};
/**
* Initialisation options that can be given to DataTables at initialisation
* time.
* @namespace
*/
DataTable.defaults = {
/**
* An array of data to use for the table, passed in at initialisation which
* will be used in preference to any data which is already in the DOM. This is
* particularly useful for constructing tables purely in Javascript, for
* example with a custom Ajax call.
* @type array
* @default null
* @dtopt Option
*
* @example
* // Using a 2D array data source
* $(document).ready( function () {
* $('#example').dataTable( {
* "aaData": [
* ['Trident', 'Internet Explorer 4.0', 'Win 95+', 4, 'X'],
* ['Trident', 'Internet Explorer 5.0', 'Win 95+', 5, 'C'],
* ],
* "aoColumns": [
* { "sTitle": "Engine" },
* { "sTitle": "Browser" },
* { "sTitle": "Platform" },
* { "sTitle": "Version" },
* { "sTitle": "Grade" }
* ]
* } );
* } );
*
* @example
* // Using an array of objects as a data source (mDataProp)
* $(document).ready( function () {
* $('#example').dataTable( {
* "aaData": [
* {
* "engine": "Trident",
* "browser": "Internet Explorer 4.0",
* "platform": "Win 95+",
* "version": 4,
* "grade": "X"
* },
* {
* "engine": "Trident",
* "browser": "Internet Explorer 5.0",
* "platform": "Win 95+",
* "version": 5,
* "grade": "C"
* }
* ],
* "aoColumns": [
* { "sTitle": "Engine", "mDataProp": "engine" },
* { "sTitle": "Browser", "mDataProp": "browser" },
* { "sTitle": "Platform", "mDataProp": "platform" },
* { "sTitle": "Version", "mDataProp": "version" },
* { "sTitle": "Grade", "mDataProp": "grade" }
* ]
* } );
* } );
*/
"aaData": null,
/**
* If sorting is enabled, then DataTables will perform a first pass sort on
* initialisation. You can define which column(s) the sort is performed upon,
* and the sorting direction, with this variable. The aaSorting array should
* contain an array for each column to be sorted initially containing the
* column's index and a direction string ('asc' or 'desc').
* @type array
* @default [[0,'asc']]
* @dtopt Option
*
* @example
* // Sort by 3rd column first, and then 4th column
* $(document).ready( function() {
* $('#example').dataTable( {
* "aaSorting": [[2,'asc'], [3,'desc']]
* } );
* } );
*
* // No initial sorting
* $(document).ready( function() {
* $('#example').dataTable( {
* "aaSorting": []
* } );
* } );
*/
"aaSorting": [[0,'asc']],
/**
* This parameter is basically identical to the aaSorting parameter, but
* cannot be overridden by user interaction with the table. What this means
* is that you could have a column (visible or hidden) which the sorting will
* always be forced on first - any sorting after that (from the user) will
* then be performed as required. This can be useful for grouping rows
* together.
* @type array
* @default null
* @dtopt Option
*
* @example
* $(document).ready( function() {
* $('#example').dataTable( {
* "aaSortingFixed": [[0,'asc']]
* } );
* } )
*/
"aaSortingFixed": null,
/**
* This parameter allows you to readily specify the entries in the length drop
* down menu that DataTables shows when pagination is enabled. It can be
* either a 1D array of options which will be used for both the displayed
* option and the value, or a 2D array which will use the array in the first
* position as the value, and the array in the second position as the
* displayed options (useful for language strings such as 'All').
* @type array
* @default [ 10, 25, 50, 100 ]
* @dtopt Option
*
* @example
* $(document).ready(function() {
* $('#example').dataTable( {
* "aLengthMenu": [[10, 25, 50, -1], [10, 25, 50, "All"]]
* } );
* } );
*
* @example
* // Setting the default display length as well as length menu
* // This is likely to be wanted if you remove the '10' option which
* // is the iDisplayLength default.
* $(document).ready(function() {
* $('#example').dataTable( {
* "iDisplayLength": 25,
* "aLengthMenu": [[25, 50, 100, -1], [25, 50, 100, "All"]]
* } );
* } );
*/
"aLengthMenu": [ 10, 25, 50, 100 ],
/**
* The aoColumns option in the initialisation parameter allows you to define
* details about the way individual columns behave. For a full list of
* column options that can be set, please see
* {@link DataTable.defaults.columns}. Note that if you use aoColumns to
* define your columns, you must have an entry in the array for every single
* column that you have in your table (these can be null if you don't which
* to specify any options).
* @member
*/
"aoColumns": null,
/**
* Very similar to aoColumns, aoColumnDefs allows you to target a specific
* column, multiple columns, or all columns, using the aTargets property of
* each object in the array. This allows great flexibility when creating
* tables, as the aoColumnDefs arrays can be of any length, targeting the
* columns you specifically want. aoColumnDefs may use any of the column
* options available: {@link DataTable.defaults.columns}, but it _must_
* have aTargets defined in each object in the array. Values in the aTargets
* array may be:
* <ul>
* <li>a string - class name will be matched on the TH for the column</li>
* <li>0 or a positive integer - column index counting from the left</li>
* <li>a negative integer - column index counting from the right</li>
* <li>the string "_all" - all columns (i.e. assign a default)</li>
* </ul>
* @member
*/
"aoColumnDefs": null,
/**
* Basically the same as oSearch, this parameter defines the individual column
* filtering state at initialisation time. The array must be of the same size
* as the number of columns, and each element be an object with the parameters
* "sSearch" and "bEscapeRegex" (the latter is optional). 'null' is also
* accepted and the default will be used.
* @type array
* @default []
* @dtopt Option
*
* @example
* $(document).ready( function() {
* $('#example').dataTable( {
* "aoSearchCols": [
* null,
* { "sSearch": "My filter" },
* null,
* { "sSearch": "^[0-9]", "bEscapeRegex": false }
* ]
* } );
* } )
*/
"aoSearchCols": [],
/**
* An array of CSS classes that should be applied to displayed rows. This
* array may be of any length, and DataTables will apply each class
* sequentially, looping when required.
* @type array
* @default [ 'odd', 'even' ]
* @dtopt Option
*
* @example
* $(document).ready( function() {
* $('#example').dataTable( {
* "asStripeClasses": [ 'strip1', 'strip2', 'strip3' ]
* } );
* } )
*/
"asStripeClasses": [ 'odd', 'even' ],
/**
* Enable or disable automatic column width calculation. This can be disabled
* as an optimisation (it takes some time to calculate the widths) if the
* tables widths are passed in using aoColumns.
* @type boolean
* @default true
* @dtopt Features
*
* @example
* $(document).ready( function () {
* $('#example').dataTable( {
* "bAutoWidth": false
* } );
* } );
*/
"bAutoWidth": true,
/**
* Deferred rendering can provide DataTables with a huge speed boost when you
* are using an Ajax or JS data source for the table. This option, when set to
* true, will cause DataTables to defer the creation of the table elements for
* each row until they are needed for a draw - saving a significant amount of
* time.
* @type boolean
* @default false
* @dtopt Features
*
* @example
* $(document).ready(function() {
* var oTable = $('#example').dataTable( {
* "sAjaxSource": "sources/arrays.txt",
* "bDeferRender": true
* } );
* } );
*/
"bDeferRender": false,
/**
* Replace a DataTable which matches the given selector and replace it with
* one which has the properties of the new initialisation object passed. If no
* table matches the selector, then the new DataTable will be constructed as
* per normal.
* @type boolean
* @default false
* @dtopt Options
*
* @example
* $(document).ready(function() {
* $('#example').dataTable( {
* "sScrollY": "200px",
* "bPaginate": false
* } );
*
* // Some time later....
* $('#example').dataTable( {
* "bFilter": false,
* "bDestroy": true
* } );
* } );
*/
"bDestroy": false,
/**
* Enable or disable filtering of data. Filtering in DataTables is "smart" in
* that it allows the end user to input multiple words (space separated) and
* will match a row containing those words, even if not in the order that was
* specified (this allow matching across multiple columns). Note that if you
* wish to use filtering in DataTables this must remain 'true' - to remove the
* default filtering input box and retain filtering abilities, please use
* @ref{sDom}.
* @type boolean
* @default true
* @dtopt Features
*
* @example
* $(document).ready( function () {
* $('#example').dataTable( {
* "bFilter": false
* } );
* } );
*/
"bFilter": true,
/**
* Enable or disable the table information display. This shows information
* about the data that is currently visible on the page, including information
* about filtered data if that action is being performed.
* @type boolean
* @default true
* @dtopt Features
*
* @example
* $(document).ready( function () {
* $('#example').dataTable( {
* "bInfo": false
* } );
* } );
*/
"bInfo": true,
/**
* Enable jQuery UI ThemeRoller support (required as ThemeRoller requires some
* slightly different and additional mark-up from what DataTables has
* traditionally used).
* @type boolean
* @default false
* @dtopt Features
*
* @example
* $(document).ready( function() {
* $('#example').dataTable( {
* "bJQueryUI": true
* } );
* } );
*/
"bJQueryUI": false,
/**
* Allows the end user to select the size of a formatted page from a select
* menu (sizes are 10, 25, 50 and 100). Requires pagination (bPaginate).
* @type boolean
* @default true
* @dtopt Features
*
* @example
* $(document).ready( function () {
* $('#example').dataTable( {
* "bLengthChange": false
* } );
* } );
*/
"bLengthChange": true,
/**
* Enable or disable pagination.
* @type boolean
* @default true
* @dtopt Features
*
* @example
* $(document).ready( function () {
* $('#example').dataTable( {
* "bPaginate": false
* } );
* } );
*/
"bPaginate": true,
/**
* Enable or disable the display of a 'processing' indicator when the table is
* being processed (e.g. a sort). This is particularly useful for tables with
* large amounts of data where it can take a noticeable amount of time to sort
* the entries.
* @type boolean
* @default false
* @dtopt Features
*
* @example
* $(document).ready( function () {
* $('#example').dataTable( {
* "bProcessing": true
* } );
* } );
*/
"bProcessing": false,
/**
* Retrieve the DataTables object for the given selector. Note that if the
* table has already been initialised, this parameter will cause DataTables
* to simply return the object that has already been set up - it will not take
* account of any changes you might have made to the initialisation object
* passed to DataTables (setting this parameter to true is an acknowledgement
* that you understand this). bDestroy can be used to reinitialise a table if
* you need.
* @type boolean
* @default false
* @dtopt Options
*
* @example
* $(document).ready(function() {
* initTable();
* tableActions();
* } );
*
* function initTable ()
* {
* return $('#example').dataTable( {
* "sScrollY": "200px",
* "bPaginate": false,
* "bRetrieve": true
* } );
* }
*
* function tableActions ()
* {
* var oTable = initTable();
* // perform API operations with oTable
* }
*/
"bRetrieve": false,
/**
* Indicate if DataTables should be allowed to set the padding / margin
* etc for the scrolling header elements or not. Typically you will want
* this.
* @type boolean
* @default true
* @dtopt Options
*
* @example
* $(document).ready(function() {
* $('#example').dataTable( {
* "bScrollAutoCss": false,
* "sScrollY": "200px"
* } );
* } );
*/
"bScrollAutoCss": true,
/**
* When vertical (y) scrolling is enabled, DataTables will force the height of
* the table's viewport to the given height at all times (useful for layout).
* However, this can look odd when filtering data down to a small data set,
* and the footer is left "floating" further down. This parameter (when
* enabled) will cause DataTables to collapse the table's viewport down when
* the result set will fit within the given Y height.
* @type boolean
* @default false
* @dtopt Options
*
* @example
* $(document).ready(function() {
* $('#example').dataTable( {
* "sScrollY": "200",
* "bScrollCollapse": true
* } );
* } );
*/
"bScrollCollapse": false,
/**
* Enable infinite scrolling for DataTables (to be used in combination with
* sScrollY). Infinite scrolling means that DataTables will continually load
* data as a user scrolls through a table, which is very useful for large
* dataset. This cannot be used with pagination, which is automatically
* disabled. Note - the Scroller extra for DataTables is recommended in
* in preference to this option.
* @type boolean
* @default false
* @dtopt Features
*
* @example
* $(document).ready(function() {
* $('#example').dataTable( {
* "bScrollInfinite": true,
* "bScrollCollapse": true,
* "sScrollY": "200px"
* } );
* } );
*/
"bScrollInfinite": false,
/**
* Configure DataTables to use server-side processing. Note that the
* sAjaxSource parameter must also be given in order to give DataTables a
* source to obtain the required data for each draw.
* @type boolean
* @default false
* @dtopt Features
* @dtopt Server-side
*
* @example
* $(document).ready( function () {
* $('#example').dataTable( {
* "bServerSide": true,
* "sAjaxSource": "xhr.php"
* } );
* } );
*/
"bServerSide": false,
/**
* Enable or disable sorting of columns. Sorting of individual columns can be
* disabled by the "bSortable" option for each column.
* @type boolean
* @default true
* @dtopt Features
*
* @example
* $(document).ready( function () {
* $('#example').dataTable( {
* "bSort": false
* } );
* } );
*/
"bSort": true,
/**
* Allows control over whether DataTables should use the top (true) unique
* cell that is found for a single column, or the bottom (false - default).
* This is useful when using complex headers.
* @type boolean
* @default false
* @dtopt Options
*
* @example
* $(document).ready(function() {
* $('#example').dataTable( {
* "bSortCellsTop": true
* } );
* } );
*/
"bSortCellsTop": false,
/**
* Enable or disable the addition of the classes 'sorting_1', 'sorting_2' and
* 'sorting_3' to the columns which are currently being sorted on. This is
* presented as a feature switch as it can increase processing time (while
* classes are removed and added) so for large data sets you might want to
* turn this off.
* @type boolean
* @default true
* @dtopt Features
*
* @example
* $(document).ready( function () {
* $('#example').dataTable( {
* "bSortClasses": false
* } );
* } );
*/
"bSortClasses": true,
/**
* Enable or disable state saving. When enabled a cookie will be used to save
* table display information such as pagination information, display length,
* filtering and sorting. As such when the end user reloads the page the
* display display will match what thy had previously set up.
* @type boolean
* @default false
* @dtopt Features
*
* @example
* $(document).ready( function () {
* $('#example').dataTable( {
* "bStateSave": true
* } );
* } );
*/
"bStateSave": false,
/**
* Customise the cookie and / or the parameters being stored when using
* DataTables with state saving enabled. This function is called whenever
* the cookie is modified, and it expects a fully formed cookie string to be
* returned. Note that the data object passed in is a Javascript object which
* must be converted to a string (JSON.stringify for example).
* @type function
* @param {string} sName Name of the cookie defined by DataTables
* @param {object} oData Data to be stored in the cookie
* @param {string} sExpires Cookie expires string
* @param {string} sPath Path of the cookie to set
* @returns {string} Cookie formatted string (which should be encoded by
* using encodeURIComponent())
* @dtopt Callbacks
*
* @example
* $(document).ready( function () {
* $('#example').dataTable( {
* "fnCookieCallback": function (sName, oData, sExpires, sPath) {
* // Customise oData or sName or whatever else here
* return sName + "="+JSON.stringify(oData)+"; expires=" + sExpires +"; path=" + sPath;
* }
* } );
* } );
*/
"fnCookieCallback": null,
/**
* This function is called when a TR element is created (and all TD child
* elements have been inserted), or registered if using a DOM source, allowing
* manipulation of the TR element (adding classes etc).
* @type function
* @param {node} nRow "TR" element for the current row
* @param {array} aData Raw data array for this row
* @param {int} iDataIndex The index of this row in aoData
* @dtopt Callbacks
*
* @example
* $(document).ready(function() {
* $('#example').dataTable( {
* "fnCreatedRow": function( nRow, aData, iDataIndex ) {
* // Bold the grade for all 'A' grade browsers
* if ( aData[4] == "A" )
* {
* $('td:eq(4)', nRow).html( '<b>A</b>' );
* }
* }
* } );
* } );
*/
"fnCreatedRow": null,
/**
* This function is called on every 'draw' event, and allows you to
* dynamically modify any aspect you want about the created DOM.
* @type function
* @param {object} oSettings DataTables settings object
* @dtopt Callbacks
*
* @example
* $(document).ready( function() {
* $('#example').dataTable( {
* "fnDrawCallback": function() {
* alert( 'DataTables has redrawn the table' );
* }
* } );
* } );
*/
"fnDrawCallback": null,
/**
* Identical to fnHeaderCallback() but for the table footer this function
* allows you to modify the table footer on every 'draw' even.
* @type function
* @param {node} nFoot "TR" element for the footer
* @param {array} aData Full table data (as derived from the original HTML)
* @param {int} iStart Index for the current display starting point in the
* display array
* @param {int} iEnd Index for the current display ending point in the
* display array
* @param {array int} aiDisplay Index array to translate the visual position
* to the full data array
* @dtopt Callbacks
*
* @example
* $(document).ready( function() {
* $('#example').dataTable( {
* "fnFooterCallback": function( nFoot, aData, iStart, iEnd, aiDisplay ) {
* nFoot.getElementsByTagName('th')[0].innerHTML = "Starting index is "+iStart;
* }
* } );
* } )
*/
"fnFooterCallback": null,
/**
* When rendering large numbers in the information element for the table
* (i.e. "Showing 1 to 10 of 57 entries") DataTables will render large numbers
* to have a comma separator for the 'thousands' units (e.g. 1 million is
* rendered as "1,000,000") to help readability for the end user. This
* function will override the default method DataTables uses.
* @type function
* @member
* @param {int} iIn number to be formatted
* @returns {string} formatted string for DataTables to show the number
* @dtopt Callbacks
*
* @example
* $(document).ready(function() {
* $('#example').dataTable( {
* "fnFormatNumber": function ( iIn ) {
* if ( iIn &lt; 1000 ) {
* return iIn;
* } else {
* var
* s=(iIn+""),
* a=s.split(""), out="",
* iLen=s.length;
*
* for ( var i=0 ; i&lt;iLen ; i++ ) {
* if ( i%3 === 0 &amp;&amp; i !== 0 ) {
* out = "'"+out;
* }
* out = a[iLen-i-1]+out;
* }
* }
* return out;
* };
* } );
* } );
*/
"fnFormatNumber": function ( iIn ) {
if ( iIn < 1000 )
{
// A small optimisation for what is likely to be the majority of use cases
return iIn;
}
var s=(iIn+""), a=s.split(""), out="", iLen=s.length;
for ( var i=0 ; i<iLen ; i++ )
{
if ( i%3 === 0 && i !== 0 )
{
out = this.oLanguage.sInfoThousands+out;
}
out = a[iLen-i-1]+out;
}
return out;
},
/**
* This function is called on every 'draw' event, and allows you to
* dynamically modify the header row. This can be used to calculate and
* display useful information about the table.
* @type function
* @param {node} nHead "TR" element for the header
* @param {array} aData Full table data (as derived from the original HTML)
* @param {int} iStart Index for the current display starting point in the
* display array
* @param {int} iEnd Index for the current display ending point in the
* display array
* @param {array int} aiDisplay Index array to translate the visual position
* to the full data array
* @dtopt Callbacks
*
* @example
* $(document).ready( function() {
* $('#example').dataTable( {
* "fnHeaderCallback": function( nHead, aData, iStart, iEnd, aiDisplay ) {
* nHead.getElementsByTagName('th')[0].innerHTML = "Displaying "+(iEnd-iStart)+" records";
* }
* } );
* } )
*/
"fnHeaderCallback": null,
/**
* The information element can be used to convey information about the current
* state of the table. Although the internationalisation options presented by
* DataTables are quite capable of dealing with most customisations, there may
* be times where you wish to customise the string further. This callback
* allows you to do exactly that.
* @type function
* @param {object} oSettings DataTables settings object
* @param {int} iStart Starting position in data for the draw
* @param {int} iEnd End position in data for the draw
* @param {int} iMax Total number of rows in the table (regardless of
* filtering)
* @param {int} iTotal Total number of rows in the data set, after filtering
* @param {string} sPre The string that DataTables has formatted using it's
* own rules
* @returns {string} The string to be displayed in the information element.
* @dtopt Callbacks
*
* @example
* $('#example').dataTable( {
* "fnInfoCallback": function( oSettings, iStart, iEnd, iMax, iTotal, sPre ) {
* return iStart +" to "+ iEnd;
* }
* } );
*/
"fnInfoCallback": null,
/**
* Called when the table has been initialised. Normally DataTables will
* initialise sequentially and there will be no need for this function,
* however, this does not hold true when using external language information
* since that is obtained using an async XHR call.
* @type function
* @param {object} oSettings DataTables settings object
* @param {object} json The JSON object request from the server - only
* present if client-side Ajax sourced data is used
* @dtopt Callbacks
*
* @example
* $(document).ready( function() {
* $('#example').dataTable( {
* "fnInitComplete": function(oSettings, json) {
* alert( 'DataTables has finished its initialisation.' );
* }
* } );
* } )
*/
"fnInitComplete": null,
/**
* Called at the very start of each table draw and can be used to cancel the
* draw by returning false, any other return (including undefined) results in
* the full draw occurring).
* @type function
* @param {object} oSettings DataTables settings object
* @returns {boolean} False will cancel the draw, anything else (including no
* return) will allow it to complete.
* @dtopt Callbacks
*
* @example
* $(document).ready( function() {
* $('#example').dataTable( {
* "fnPreDrawCallback": function( oSettings ) {
* if ( $('#test').val() == 1 ) {
* return false;
* }
* }
* } );
* } );
*/
"fnPreDrawCallback": null,
/**
* This function allows you to 'post process' each row after it have been
* generated for each table draw, but before it is rendered on screen. This
* function might be used for setting the row class name etc.
* @type function
* @param {node} nRow "TR" element for the current row
* @param {array} aData Raw data array for this row
* @param {int} iDisplayIndex The display index for the current table draw
* @param {int} iDisplayIndexFull The index of the data in the full list of
* rows (after filtering)
* @dtopt Callbacks
*
* @example
* $(document).ready(function() {
* $('#example').dataTable( {
* "fnRowCallback": function( nRow, aData, iDisplayIndex, iDisplayIndexFull ) {
* // Bold the grade for all 'A' grade browsers
* if ( aData[4] == "A" )
* {
* $('td:eq(4)', nRow).html( '<b>A</b>' );
* }
* }
* } );
* } );
*/
"fnRowCallback": null,
/**
* This parameter allows you to override the default function which obtains
* the data from the server ($.getJSON) so something more suitable for your
* application. For example you could use POST data, or pull information from
* a Gears or AIR database.
* @type function
* @member
* @param {string} sSource HTTP source to obtain the data from (sAjaxSource)
* @param {array} aoData A key/value pair object containing the data to send
* to the server
* @param {function} fnCallback to be called on completion of the data get
* process that will draw the data on the page.
* @param {object} oSettings DataTables settings object
* @dtopt Callbacks
* @dtopt Server-side
*
* @example
* // POST data to server
* $(document).ready(function() {
* $('#example').dataTable( {
* "bProcessing": true,
* "bServerSide": true,
* "sAjaxSource": "xhr.php",
* "fnServerData": function ( sSource, aoData, fnCallback ) {
* $.ajax( {
* "dataType": 'json',
* "type": "POST",
* "url": sSource,
* "data": aoData,
* "success": fnCallback
* } );
* }
* } );
* } );
*/
"fnServerData": function ( sUrl, aoData, fnCallback, oSettings ) {
oSettings.jqXHR = $.ajax( {
"url": sUrl,
"data": aoData,
"success": function (json) {
$(oSettings.oInstance).trigger('xhr', oSettings);
fnCallback( json );
},
"dataType": "json",
"cache": false,
"type": oSettings.sServerMethod,
"error": function (xhr, error, thrown) {
if ( error == "parsererror" ) {
alert( "DataTables warning: JSON data from server could not be parsed. "+
"This is caused by a JSON formatting error." );
}
}
} );
},
/**
* It is often useful to send extra data to the server when making an Ajax
* request - for example custom filtering information, and this callback
* function makes it trivial to send extra information to the server. The
* passed in parameter is the data set that has been constructed by
* DataTables, and you can add to this or modify it as you require.
* @type function
* @param {array} aoData Data array (array of objects which are name/value
* pairs) that has been constructed by DataTables and will be sent to the
* server. In the case of Ajax sourced data with server-side processing
* this will be an empty array, for server-side processing there will be a
* significant number of parameters!
* @returns {undefined} Ensure that you modify the aoData array passed in,
* as this is passed by reference.
* @dtopt Callbacks
* @dtopt Server-side
*
* @example
* $(document).ready(function() {
* $('#example').dataTable( {
* "bProcessing": true,
* "bServerSide": true,
* "sAjaxSource": "scripts/server_processing.php",
* "fnServerParams": function ( aoData ) {
* aoData.push( { "name": "more_data", "value": "my_value" } );
* }
* } );
* } );
*/
"fnServerParams": null,
/**
* Load the table state. With this function you can define from where, and how, the
* state of a table is loaded. By default DataTables will load from its state saving
* cookie, but you might wish to use local storage (HTML5) or a server-side database.
* @type function
* @member
* @param {object} oSettings DataTables settings object
* @return {object} The DataTables state object to be loaded
* @dtopt Callbacks
*
* @example
* $(document).ready(function() {
* $('#example').dataTable( {
* "bStateSave": true,
* "fnStateSave": function (oSettings, oData) {
* var o;
*
* // Send an Ajax request to the server to get the data. Note that
* // this is a synchronous request.
* $.ajax( {
* "url": "/state_load",
* "async": false,
* "dataType": "json",
* "success": function (json) {
* o = json;
* }
* } );
*
* return o;
* }
* } );
* } );
*/
"fnStateLoad": function ( oSettings ) {
var sData = this.oApi._fnReadCookie( oSettings.sCookiePrefix+oSettings.sInstance );
var oData;
try {
oData = (typeof $.parseJSON === 'function') ?
$.parseJSON(sData) : eval( '('+sData+')' );
} catch (e) {
oData = null;
}
return oData;
},
/**
* Callback which allows modification of the saved state prior to loading that state.
* This callback is called when the table is loading state from the stored data, but
* prior to the settings object being modified by the saved state. Note that for
* plug-in authors, you should use the 'stateLoadParams' event to load parameters for
* a plug-in.
* @type function
* @param {object} oSettings DataTables settings object
* @param {object} oData The state object that is to be loaded
* @dtopt Callbacks
*
* @example
* // Remove a saved filter, so filtering is never loaded
* $(document).ready(function() {
* $('#example').dataTable( {
* "bStateSave": true,
* "fnStateLoadParams": function (oSettings, oData) {
* oData.oFilter.sSearch = "";
* } );
* } );
*
* @example
* // Disallow state loading by returning false
* $(document).ready(function() {
* $('#example').dataTable( {
* "bStateSave": true,
* "fnStateLoadParams": function (oSettings, oData) {
* return false;
* } );
* } );
*/
"fnStateLoadParams": null,
/**
* Callback that is called when the state has been loaded from the state saving method
* and the DataTables settings object has been modified as a result of the loaded state.
* @type function
* @param {object} oSettings DataTables settings object
* @param {object} oData The state object that was loaded
* @dtopt Callbacks
*
* @example
* // Show an alert with the filtering value that was saved
* $(document).ready(function() {
* $('#example').dataTable( {
* "bStateSave": true,
* "fnStateLoaded": function (oSettings, oData) {
* alert( 'Saved filter was: '+oData.oFilter.sSearch );
* } );
* } );
*/
"fnStateLoaded": null,
/**
* Save the table state. This function allows you to define where and how the state
* information for the table is stored - by default it will use a cookie, but you
* might want to use local storage (HTML5) or a server-side database.
* @type function
* @member
* @param {object} oSettings DataTables settings object
* @param {object} oData The state object to be saved
* @dtopt Callbacks
*
* @example
* $(document).ready(function() {
* $('#example').dataTable( {
* "bStateSave": true,
* "fnStateSave": function (oSettings, oData) {
* // Send an Ajax request to the server with the state object
* $.ajax( {
* "url": "/state_save",
* "data": oData,
* "dataType": "json",
* "method": "POST"
* "success": function () {}
* } );
* }
* } );
* } );
*/
"fnStateSave": function ( oSettings, oData ) {
this.oApi._fnCreateCookie(
oSettings.sCookiePrefix+oSettings.sInstance,
this.oApi._fnJsonString(oData),
oSettings.iCookieDuration,
oSettings.sCookiePrefix,
oSettings.fnCookieCallback
);
},
/**
* Callback which allows modification of the state to be saved. Called when the table
* has changed state a new state save is required. This method allows modification of
* the state saving object prior to actually doing the save, including addition or
* other state properties or modification. Note that for plug-in authors, you should
* use the 'stateSaveParams' event to save parameters for a plug-in.
* @type function
* @param {object} oSettings DataTables settings object
* @param {object} oData The state object to be saved
* @dtopt Callbacks
*
* @example
* // Remove a saved filter, so filtering is never saved
* $(document).ready(function() {
* $('#example').dataTable( {
* "bStateSave": true,
* "fnStateLoadParams": function (oSettings, oData) {
* oData.oFilter.sSearch = "";
* } );
* } );
*/
"fnStateSaveParams": null,
/**
* Duration of the cookie which is used for storing session information. This
* value is given in seconds.
* @type int
* @default 7200 <i>(2 hours)</i>
* @dtopt Options
*
* @example
* $(document).ready( function() {
* $('#example').dataTable( {
* "iCookieDuration": 60*60*24 // 1 day
* } );
* } )
*/
"iCookieDuration": 7200,
/**
* When enabled DataTables will not make a request to the server for the first
* page draw - rather it will use the data already on the page (no sorting etc
* will be applied to it), thus saving on an XHR at load time. iDeferLoading
* is used to indicate that deferred loading is required, but it is also used
* to tell DataTables how many records there are in the full table (allowing
* the information element and pagination to be displayed correctly).
* @type int
* @default null
* @dtopt Options
*
* @example
* $(document).ready(function() {
* $('#example').dataTable( {
* "bServerSide": true,
* "sAjaxSource": "scripts/server_processing.php",
* "iDeferLoading": 57
* } );
* } );
*/
"iDeferLoading": null,
/**
* Number of rows to display on a single page when using pagination. If
* feature enabled (bLengthChange) then the end user will be able to override
* this to a custom setting using a pop-up menu.
* @type int
* @default 10
* @dtopt Options
*
* @example
* $(document).ready( function() {
* $('#example').dataTable( {
* "iDisplayLength": 50
* } );
* } )
*/
"iDisplayLength": 10,
/**
* Define the starting point for data display when using DataTables with
* pagination. Note that this parameter is the number of records, rather than
* the page number, so if you have 10 records per page and want to start on
* the third page, it should be "20".
* @type int
* @default 0
* @dtopt Options
*
* @example
* $(document).ready( function() {
* $('#example').dataTable( {
* "iDisplayStart": 20
* } );
* } )
*/
"iDisplayStart": 0,
/**
* The scroll gap is the amount of scrolling that is left to go before
* DataTables will load the next 'page' of data automatically. You typically
* want a gap which is big enough that the scrolling will be smooth for the
* user, while not so large that it will load more data than need.
* @type int
* @default 100
* @dtopt Options
*
* @example
* $(document).ready(function() {
* $('#example').dataTable( {
* "bScrollInfinite": true,
* "bScrollCollapse": true,
* "sScrollY": "200px",
* "iScrollLoadGap": 50
* } );
* } );
*/
"iScrollLoadGap": 100,
/**
* By default DataTables allows keyboard navigation of the table (sorting, paging,
* and filtering) by adding a tabindex attribute to the required elements. This
* allows you to tab through the controls and press the enter key to activate them.
* The tabindex is default 0, meaning that the tab follows the flow of the document.
* You can overrule this using this parameter if you wish. Use a value of -1 to
* disable built-in keyboard navigation.
* @type int
* @default 0
* @dtopt Options
*
* @example
* $(document).ready(function() {
* $('#example').dataTable( {
* "iTabIndex": 1
* } );
* } );
*/
"iTabIndex": 0,
/**
* All strings that DataTables uses in the user interface that it creates
* are defined in this object, allowing you to modified them individually or
* completely replace them all as required.
* @namespace
*/
"oLanguage": {
/**
* Strings that are used for WAI-ARIA labels and controls only (these are not
* actually visible on the page, but will be read by screenreaders, and thus
* must be internationalised as well).
* @namespace
*/
"oAria": {
/**
* ARIA label that is added to the table headers when the column may be
* sorted ascending by activing the column (click or return when focused).
* Note that the column header is prefixed to this string.
* @type string
* @default : activate to sort column ascending
* @dtopt Language
*
* @example
* $(document).ready(function() {
* $('#example').dataTable( {
* "oLanguage": {
* "oAria": {
* "sSortAscending": " - click/return to sort ascending"
* }
* }
* } );
* } );
*/
"sSortAscending": ": activate to sort column ascending",
/**
* ARIA label that is added to the table headers when the column may be
* sorted descending by activing the column (click or return when focused).
* Note that the column header is prefixed to this string.
* @type string
* @default : activate to sort column ascending
* @dtopt Language
*
* @example
* $(document).ready(function() {
* $('#example').dataTable( {
* "oLanguage": {
* "oAria": {
* "sSortDescending": " - click/return to sort descending"
* }
* }
* } );
* } );
*/
"sSortDescending": ": activate to sort column descending"
},
/**
* Pagination string used by DataTables for the two built-in pagination
* control types ("two_button" and "full_numbers")
* @namespace
*/
"oPaginate": {
/**
* Text to use when using the 'full_numbers' type of pagination for the
* button to take the user to the first page.
* @type string
* @default First
* @dtopt Language
*
* @example
* $(document).ready(function() {
* $('#example').dataTable( {
* "oLanguage": {
* "oPaginate": {
* "sFirst": "First page"
* }
* }
* } );
* } );
*/
"sFirst": "First",
/**
* Text to use when using the 'full_numbers' type of pagination for the
* button to take the user to the last page.
* @type string
* @default Last
* @dtopt Language
*
* @example
* $(document).ready(function() {
* $('#example').dataTable( {
* "oLanguage": {
* "oPaginate": {
* "sLast": "Last page"
* }
* }
* } );
* } );
*/
"sLast": "Last",
/**
* Text to use when using the 'full_numbers' type of pagination for the
* button to take the user to the next page.
* @type string
* @default Next
* @dtopt Language
*
* @example
* $(document).ready(function() {
* $('#example').dataTable( {
* "oLanguage": {
* "oPaginate": {
* "sNext": "Next page"
* }
* }
* } );
* } );
*/
"sNext": "Next",
/**
* Text to use when using the 'full_numbers' type of pagination for the
* button to take the user to the previous page.
* @type string
* @default Previous
* @dtopt Language
*
* @example
* $(document).ready(function() {
* $('#example').dataTable( {
* "oLanguage": {
* "oPaginate": {
* "sPrevious": "Previous page"
* }
* }
* } );
* } );
*/
"sPrevious": "Previous"
},
/**
* This string is shown in preference to sZeroRecords when the table is
* empty of data (regardless of filtering). Note that this is an optional
* parameter - if it is not given, the value of sZeroRecords will be used
* instead (either the default or given value).
* @type string
* @default No data available in table
* @dtopt Language
*
* @example
* $(document).ready(function() {
* $('#example').dataTable( {
* "oLanguage": {
* "sEmptyTable": "No data available in table"
* }
* } );
* } );
*/
"sEmptyTable": "No data available in table",
/**
* This string gives information to the end user about the information that
* is current on display on the page. The _START_, _END_ and _TOTAL_
* variables are all dynamically replaced as the table display updates, and
* can be freely moved or removed as the language requirements change.
* @type string
* @default Showing _START_ to _END_ of _TOTAL_ entries
* @dtopt Language
*
* @example
* $(document).ready(function() {
* $('#example').dataTable( {
* "oLanguage": {
* "sInfo": "Got a total of _TOTAL_ entries to show (_START_ to _END_)"
* }
* } );
* } );
*/
"sInfo": "Showing _START_ to _END_ of _TOTAL_ entries",
/**
* Display information string for when the table is empty. Typically the
* format of this string should match sInfo.
* @type string
* @default Showing 0 to 0 of 0 entries
* @dtopt Language
*
* @example
* $(document).ready(function() {
* $('#example').dataTable( {
* "oLanguage": {
* "sInfoEmpty": "No entries to show"
* }
* } );
* } );
*/
"sInfoEmpty": "Showing 0 to 0 of 0 entries",
/**
* When a user filters the information in a table, this string is appended
* to the information (sInfo) to give an idea of how strong the filtering
* is. The variable _MAX_ is dynamically updated.
* @type string
* @default (filtered from _MAX_ total entries)
* @dtopt Language
*
* @example
* $(document).ready(function() {
* $('#example').dataTable( {
* "oLanguage": {
* "sInfoFiltered": " - filtering from _MAX_ records"
* }
* } );
* } );
*/
"sInfoFiltered": "(filtered from _MAX_ total entries)",
/**
* If can be useful to append extra information to the info string at times,
* and this variable does exactly that. This information will be appended to
* the sInfo (sInfoEmpty and sInfoFiltered in whatever combination they are
* being used) at all times.
* @type string
* @default <i>Empty string</i>
* @dtopt Language
*
* @example
* $(document).ready(function() {
* $('#example').dataTable( {
* "oLanguage": {
* "sInfoPostFix": "All records shown are derived from real information."
* }
* } );
* } );
*/
"sInfoPostFix": "",
/**
* DataTables has a build in number formatter (fnFormatNumber) which is used
* to format large numbers that are used in the table information. By
* default a comma is used, but this can be trivially changed to any
* character you wish with this parameter.
* @type string
* @default ,
* @dtopt Language
*
* @example
* $(document).ready(function() {
* $('#example').dataTable( {
* "oLanguage": {
* "sInfoThousands": "'"
* }
* } );
* } );
*/
"sInfoThousands": ",",
/**
* Detail the action that will be taken when the drop down menu for the
* pagination length option is changed. The '_MENU_' variable is replaced
* with a default select list of 10, 25, 50 and 100, and can be replaced
* with a custom select box if required.
* @type string
* @default Show _MENU_ entries
* @dtopt Language
*
* @example
* // Language change only
* $(document).ready(function() {
* $('#example').dataTable( {
* "oLanguage": {
* "sLengthMenu": "Display _MENU_ records"
* }
* } );
* } );
*
* @example
* // Language and options change
* $(document).ready(function() {
* $('#example').dataTable( {
* "oLanguage": {
* "sLengthMenu": 'Display <select>'+
* '<option value="10">10</option>'+
* '<option value="20">20</option>'+
* '<option value="30">30</option>'+
* '<option value="40">40</option>'+
* '<option value="50">50</option>'+
* '<option value="-1">All</option>'+
* '</select> records'
* }
* } );
* } );
*/
"sLengthMenu": "Show _MENU_ entries",
/**
* When using Ajax sourced data and during the first draw when DataTables is
* gathering the data, this message is shown in an empty row in the table to
* indicate to the end user the the data is being loaded. Note that this
* parameter is not used when loading data by server-side processing, just
* Ajax sourced data with client-side processing.
* @type string
* @default Loading...
* @dtopt Language
*
* @example
* $(document).ready( function() {
* $('#example').dataTable( {
* "oLanguage": {
* "sLoadingRecords": "Please wait - loading..."
* }
* } );
* } );
*/
"sLoadingRecords": "Loading...",
/**
* Text which is displayed when the table is processing a user action
* (usually a sort command or similar).
* @type string
* @default Processing...
* @dtopt Language
*
* @example
* $(document).ready(function() {
* $('#example').dataTable( {
* "oLanguage": {
* "sProcessing": "DataTables is currently busy"
* }
* } );
* } );
*/
"sProcessing": "Processing...",
/**
* Details the actions that will be taken when the user types into the
* filtering input text box. The variable "_INPUT_", if used in the string,
* is replaced with the HTML text box for the filtering input allowing
* control over where it appears in the string. If "_INPUT_" is not given
* then the input box is appended to the string automatically.
* @type string
* @default Search:
* @dtopt Language
*
* @example
* // Input text box will be appended at the end automatically
* $(document).ready(function() {
* $('#example').dataTable( {
* "oLanguage": {
* "sSearch": "Filter records:"
* }
* } );
* } );
*
* @example
* // Specify where the filter should appear
* $(document).ready(function() {
* $('#example').dataTable( {
* "oLanguage": {
* "sSearch": "Apply filter _INPUT_ to table"
* }
* } );
* } );
*/
"sSearch": "Search:",
/**
* All of the language information can be stored in a file on the
* server-side, which DataTables will look up if this parameter is passed.
* It must store the URL of the language file, which is in a JSON format,
* and the object has the same properties as the oLanguage object in the
* initialiser object (i.e. the above parameters). Please refer to one of
* the example language files to see how this works in action.
* @type string
* @default <i>Empty string - i.e. disabled</i>
* @dtopt Language
*
* @example
* $(document).ready(function() {
* $('#example').dataTable( {
* "oLanguage": {
* "sUrl": "http://www.sprymedia.co.uk/dataTables/lang.txt"
* }
* } );
* } );
*/
"sUrl": "",
/**
* Text shown inside the table records when the is no information to be
* displayed after filtering. sEmptyTable is shown when there is simply no
* information in the table at all (regardless of filtering).
* @type string
* @default No matching records found
* @dtopt Language
*
* @example
* $(document).ready(function() {
* $('#example').dataTable( {
* "oLanguage": {
* "sZeroRecords": "No records to display"
* }
* } );
* } );
*/
"sZeroRecords": "No matching records found"
},
/**
* This parameter allows you to have define the global filtering state at
* initialisation time. As an object the "sSearch" parameter must be
* defined, but all other parameters are optional. When "bRegex" is true,
* the search string will be treated as a regular expression, when false
* (default) it will be treated as a straight string. When "bSmart"
* DataTables will use it's smart filtering methods (to word match at
* any point in the data), when false this will not be done.
* @namespace
* @extends DataTable.models.oSearch
* @dtopt Options
*
* @example
* $(document).ready( function() {
* $('#example').dataTable( {
* "oSearch": {"sSearch": "Initial search"}
* } );
* } )
*/
"oSearch": $.extend( {}, DataTable.models.oSearch ),
/**
* By default DataTables will look for the property 'aaData' when obtaining
* data from an Ajax source or for server-side processing - this parameter
* allows that property to be changed. You can use Javascript dotted object
* notation to get a data source for multiple levels of nesting.
* @type string
* @default aaData
* @dtopt Options
* @dtopt Server-side
*
* @example
* // Get data from { "data": [...] }
* $(document).ready(function() {
* var oTable = $('#example').dataTable( {
* "sAjaxSource": "sources/data.txt",
* "sAjaxDataProp": "data"
* } );
* } );
*
* @example
* // Get data from { "data": { "inner": [...] } }
* $(document).ready(function() {
* var oTable = $('#example').dataTable( {
* "sAjaxSource": "sources/data.txt",
* "sAjaxDataProp": "data.inner"
* } );
* } );
*/
"sAjaxDataProp": "aaData",
/**
* You can instruct DataTables to load data from an external source using this
* parameter (use aData if you want to pass data in you already have). Simply
* provide a url a JSON object can be obtained from. This object must include
* the parameter 'aaData' which is the data source for the table.
* @type string
* @default null
* @dtopt Options
* @dtopt Server-side
*
* @example
* $(document).ready( function() {
* $('#example').dataTable( {
* "sAjaxSource": "http://www.sprymedia.co.uk/dataTables/json.php"
* } );
* } )
*/
"sAjaxSource": null,
/**
* This parameter can be used to override the default prefix that DataTables
* assigns to a cookie when state saving is enabled.
* @type string
* @default SpryMedia_DataTables_
* @dtopt Options
*
* @example
* $(document).ready(function() {
* $('#example').dataTable( {
* "sCookiePrefix": "my_datatable_",
* } );
* } );
*/
"sCookiePrefix": "SpryMedia_DataTables_",
/**
* This initialisation variable allows you to specify exactly where in the
* DOM you want DataTables to inject the various controls it adds to the page
* (for example you might want the pagination controls at the top of the
* table). DIV elements (with or without a custom class) can also be added to
* aid styling. The follow syntax is used:
* <ul>
* <li>The following options are allowed:
* <ul>
* <li>'l' - Length changing</li
* <li>'f' - Filtering input</li>
* <li>'t' - The table!</li>
* <li>'i' - Information</li>
* <li>'p' - Pagination</li>
* <li>'r' - pRocessing</li>
* </ul>
* </li>
* <li>The following constants are allowed:
* <ul>
* <li>'H' - jQueryUI theme "header" classes ('fg-toolbar ui-widget-header ui-corner-tl ui-corner-tr ui-helper-clearfix')</li>
* <li>'F' - jQueryUI theme "footer" classes ('fg-toolbar ui-widget-header ui-corner-bl ui-corner-br ui-helper-clearfix')</li>
* </ul>
* </li>
* <li>The following syntax is expected:
* <ul>
* <li>'&lt;' and '&gt;' - div elements</li>
* <li>'&lt;"class" and '&gt;' - div with a class</li>
* <li>'&lt;"#id" and '&gt;' - div with an ID</li>
* </ul>
* </li>
* <li>Examples:
* <ul>
* <li>'&lt;"wrapper"flipt&gt;'</li>
* <li>'&lt;lf&lt;t&gt;ip&gt;'</li>
* </ul>
* </li>
* </ul>
* @type string
* @default lfrtip <i>(when bJQueryUI is false)</i> <b>or</b>
* <"H"lfr>t<"F"ip> <i>(when bJQueryUI is true)</i>
* @dtopt Options
*
* @example
* $(document).ready(function() {
* $('#example').dataTable( {
* "sDom": '&lt;"top"i&gt;rt&lt;"bottom"flp&gt;&lt;"clear"&lgt;'
* } );
* } );
*/
"sDom": "lfrtip",
/**
* DataTables features two different built-in pagination interaction methods
* ('two_button' or 'full_numbers') which present different page controls to
* the end user. Further methods can be added using the API (see below).
* @type string
* @default two_button
* @dtopt Options
*
* @example
* $(document).ready( function() {
* $('#example').dataTable( {
* "sPaginationType": "full_numbers"
* } );
* } )
*/
"sPaginationType": "two_button",
/**
* Enable horizontal scrolling. When a table is too wide to fit into a certain
* layout, or you have a large number of columns in the table, you can enable
* x-scrolling to show the table in a viewport, which can be scrolled. This
* property can by any CSS unit, or a number (in which case it will be treated
* as a pixel measurement).
* @type string
* @default <i>blank string - i.e. disabled</i>
* @dtopt Features
*
* @example
* $(document).ready(function() {
* $('#example').dataTable( {
* "sScrollX": "100%",
* "bScrollCollapse": true
* } );
* } );
*/
"sScrollX": "",
/**
* This property can be used to force a DataTable to use more width than it
* might otherwise do when x-scrolling is enabled. For example if you have a
* table which requires to be well spaced, this parameter is useful for
* "over-sizing" the table, and thus forcing scrolling. This property can by
* any CSS unit, or a number (in which case it will be treated as a pixel
* measurement).
* @type string
* @default <i>blank string - i.e. disabled</i>
* @dtopt Options
*
* @example
* $(document).ready(function() {
* $('#example').dataTable( {
* "sScrollX": "100%",
* "sScrollXInner": "110%"
* } );
* } );
*/
"sScrollXInner": "",
/**
* Enable vertical scrolling. Vertical scrolling will constrain the DataTable
* to the given height, an enable scrolling for any data which overflows the
* current viewport. This can be used as an alternative to paging to display
* a lot of data in a small area (although paging and scrolling can both be
* enabled at the same time). This property can by any CSS unit, or a number
* (in which case it will be treated as a pixel measurement).
* @type string
* @default <i>blank string - i.e. disabled</i>
* @dtopt Features
*
* @example
* $(document).ready(function() {
* $('#example').dataTable( {
* "sScrollY": "200px",
* "bPaginate": false
* } );
* } );
*/
"sScrollY": "",
/**
* Set the HTTP method that is used to make the Ajax call for server-side
* processing or Ajax sourced data.
* @type string
* @default GET
* @dtopt Options
* @dtopt Server-side
*
* @example
* $(document).ready(function() {
* $('#example').dataTable( {
* "bServerSide": true,
* "sAjaxSource": "scripts/post.php",
* "sServerMethod": "POST"
* } );
* } );
*/
"sServerMethod": "GET"
};
/**
* Column options that can be given to DataTables at initialisation time.
* @namespace
*/
DataTable.defaults.columns = {
/**
* Allows a column's sorting to take multiple columns into account when
* doing a sort. For example first name / last name columns make sense to
* do a multi-column sort over the two columns.
* @type array
* @default null <i>Takes the value of the column index automatically</i>
* @dtopt Columns
*
* @example
* // Using aoColumnDefs
* $(document).ready(function() {
* $('#example').dataTable( {
* "aoColumnDefs": [
* { "aDataSort": [ 0, 1 ], "aTargets": [ 0 ] },
* { "aDataSort": [ 1, 0 ], "aTargets": [ 1 ] },
* { "aDataSort": [ 2, 3, 4 ], "aTargets": [ 2 ] }
* ]
* } );
* } );
*
* @example
* // Using aoColumns
* $(document).ready(function() {
* $('#example').dataTable( {
* "aoColumns": [
* { "aDataSort": [ 0, 1 ] },
* { "aDataSort": [ 1, 0 ] },
* { "aDataSort": [ 2, 3, 4 ] },
* null,
* null
* ]
* } );
* } );
*/
"aDataSort": null,
/**
* You can control the default sorting direction, and even alter the behaviour
* of the sort handler (i.e. only allow ascending sorting etc) using this
* parameter.
* @type array
* @default [ 'asc', 'desc' ]
* @dtopt Columns
*
* @example
* // Using aoColumnDefs
* $(document).ready(function() {
* $('#example').dataTable( {
* "aoColumnDefs": [
* { "asSorting": [ "asc" ], "aTargets": [ 1 ] },
* { "asSorting": [ "desc", "asc", "asc" ], "aTargets": [ 2 ] },
* { "asSorting": [ "desc" ], "aTargets": [ 3 ] }
* ]
* } );
* } );
*
* @example
* // Using aoColumns
* $(document).ready(function() {
* $('#example').dataTable( {
* "aoColumns": [
* null,
* { "asSorting": [ "asc" ] },
* { "asSorting": [ "desc", "asc", "asc" ] },
* { "asSorting": [ "desc" ] },
* null
* ]
* } );
* } );
*/
"asSorting": [ 'asc', 'desc' ],
/**
* Enable or disable filtering on the data in this column.
* @type boolean
* @default true
* @dtopt Columns
*
* @example
* // Using aoColumnDefs
* $(document).ready(function() {
* $('#example').dataTable( {
* "aoColumnDefs": [
* { "bSearchable": false, "aTargets": [ 0 ] }
* ] } );
* } );
*
* @example
* // Using aoColumns
* $(document).ready(function() {
* $('#example').dataTable( {
* "aoColumns": [
* { "bSearchable": false },
* null,
* null,
* null,
* null
* ] } );
* } );
*/
"bSearchable": true,
/**
* Enable or disable sorting on this column.
* @type boolean
* @default true
* @dtopt Columns
*
* @example
* // Using aoColumnDefs
* $(document).ready(function() {
* $('#example').dataTable( {
* "aoColumnDefs": [
* { "bSortable": false, "aTargets": [ 0 ] }
* ] } );
* } );
*
* @example
* // Using aoColumns
* $(document).ready(function() {
* $('#example').dataTable( {
* "aoColumns": [
* { "bSortable": false },
* null,
* null,
* null,
* null
* ] } );
* } );
*/
"bSortable": true,
/**
* When using fnRender() for a column, you may wish to use the original data
* (before rendering) for sorting and filtering (the default is to used the
* rendered data that the user can see). This may be useful for dates etc.
*
* *NOTE* It is it is advisable now to use mDataProp as a function and make
* use of the 'type' that it gives, allowing (potentially) different data to
* be used for sorting, filtering, display and type detection.
* @type boolean
* @default true
* @dtopt Columns
*
* @example
* // Using aoColumnDefs
* $(document).ready(function() {
* $('#example').dataTable( {
* "aoColumnDefs": [
* {
* "fnRender": function ( oObj ) {
* return oObj.aData[0] +' '+ oObj.aData[3];
* },
* "bUseRendered": false,
* "aTargets": [ 0 ]
* }
* ]
* } );
* } );
*
* @example
* // Using aoColumns
* $(document).ready(function() {
* $('#example').dataTable( {
* "aoColumns": [
* {
* "fnRender": function ( oObj ) {
* return oObj.aData[0] +' '+ oObj.aData[3];
* },
* "bUseRendered": false
* },
* null,
* null,
* null,
* null
* ]
* } );
* } );
*/
"bUseRendered": true,
/**
* Enable or disable the display of this column.
* @type boolean
* @default true
* @dtopt Columns
*
* @example
* // Using aoColumnDefs
* $(document).ready(function() {
* $('#example').dataTable( {
* "aoColumnDefs": [
* { "bVisible": false, "aTargets": [ 0 ] }
* ] } );
* } );
*
* @example
* // Using aoColumns
* $(document).ready(function() {
* $('#example').dataTable( {
* "aoColumns": [
* { "bVisible": false },
* null,
* null,
* null,
* null
* ] } );
* } );
*/
"bVisible": true,
/**
* Developer definable function that is called whenever a cell is created (Ajax source,
* etc) or processed for input (DOM source). This can be used as a compliment to fnRender
* allowing you to modify the DOM element (add background colour for example) when the
* element is available (since it is not when fnRender is called).
* @type function
* @param {element} nTd The TD node that has been created
* @param {*} sData The Data for the cell
* @param {array|object} oData The data for the whole row
* @param {int} iRow The row index for the aoData data store
* @param {int} iCol The column index for aoColumns
* @dtopt Columns
*
* @example
* $(document).ready(function() {
* $('#example').dataTable( {
* "aoColumnDefs": [ {
* "aTargets": [3],
* "fnCreatedCell": function (nTd, sData, oData, iRow, iCol) {
* if ( sData == "1.7" ) {
* $(nTd).css('color', 'blue')
* }
* }
* } ]
* });
* } );
*/
"fnCreatedCell": null,
/**
* Custom display function that will be called for the display of each cell in
* this column.
* @type function
* @param {object} o Object with the following parameters:
* @param {int} o.iDataRow The row in aoData
* @param {int} o.iDataColumn The column in question
* @param {array} o.aData The data for the row in question
* @param {object} o.oSettings The settings object for this DataTables instance
* @param {object} o.mDataProp The data property used for this column
* @param {*} val The current cell value
* @returns {string} The string you which to use in the display
* @dtopt Columns
*
* @example
* // Using aoColumnDefs
* $(document).ready(function() {
* $('#example').dataTable( {
* "aoColumnDefs": [
* {
* "fnRender": function ( o, val ) {
* return o.aData[0] +' '+ o.aData[3];
* },
* "aTargets": [ 0 ]
* }
* ]
* } );
* } );
*
* @example
* // Using aoColumns
* $(document).ready(function() {
* $('#example').dataTable( {
* "aoColumns": [
* { "fnRender": function ( o, val ) {
* return o.aData[0] +' '+ o.aData[3];
* } },
* null,
* null,
* null,
* null
* ]
* } );
* } );
*/
"fnRender": null,
/**
* The column index (starting from 0!) that you wish a sort to be performed
* upon when this column is selected for sorting. This can be used for sorting
* on hidden columns for example.
* @type int
* @default -1 <i>Use automatically calculated column index</i>
* @dtopt Columns
*
* @example
* // Using aoColumnDefs
* $(document).ready(function() {
* $('#example').dataTable( {
* "aoColumnDefs": [
* { "iDataSort": 1, "aTargets": [ 0 ] }
* ]
* } );
* } );
*
* @example
* // Using aoColumns
* $(document).ready(function() {
* $('#example').dataTable( {
* "aoColumns": [
* { "iDataSort": 1 },
* null,
* null,
* null,
* null
* ]
* } );
* } );
*/
"iDataSort": -1,
/**
* This property can be used to read data from any JSON data source property,
* including deeply nested objects / properties. mDataProp can be given in a
* number of different ways which effect its behaviour:
* <ul>
* <li>integer - treated as an array index for the data source. This is the
* default that DataTables uses (incrementally increased for each column).</li>
* <li>string - read an object property from the data source. Note that you can
* use Javascript dotted notation to read deep properties/arrays from the
* data source.</li>
* <li>null - the sDafaultContent option will use used for the cell (empty
* string by default. This can be useful on generated columns such as
* edit / delete action columns.</li>
* <li>function - the function given will be executed whenever DataTables
* needs to set or get the data for a cell in the column. The function
* takes three parameters:
* <ul>
* <li>{array|object} The data source for the row</li>
* <li>{string} The type call data requested - this will be 'set' when
* setting data or 'filter', 'display', 'type' or 'sort' when gathering
* data.</li>
* <li>{*} Data to set when the second parameter is 'set'.</li>
* </ul>
* The return value from the function is not required when 'set' is the type
* of call, but otherwise the return is what will be used for the data
* requested.</li>
* </ul>
* @type string|int|function|null
* @default null <i>Use automatically calculated column index</i>
* @dtopt Columns
*
* @example
* // Read table data from objects
* $(document).ready(function() {
* var oTable = $('#example').dataTable( {
* "sAjaxSource": "sources/deep.txt",
* "aoColumns": [
* { "mDataProp": "engine" },
* { "mDataProp": "browser" },
* { "mDataProp": "platform.inner" },
* { "mDataProp": "platform.details.0" },
* { "mDataProp": "platform.details.1" }
* ]
* } );
* } );
*
* @example
* // Using mDataProp as a function to provide different information for
* // sorting, filtering and display. In this case, currency (price)
* $(document).ready(function() {
* var oTable = $('#example').dataTable( {
* "aoColumnDefs": [
* {
* "aTargets": [ 0 ],
* "mDataProp": function ( source, type, val ) {
* if (type === 'set') {
* source.price = val;
* // Store the computed dislay and filter values for efficiency
* source.price_display = val=="" ? "" : "$"+numberFormat(val);
* source.price_filter = val=="" ? "" : "$"+numberFormat(val)+" "+val;
* return;
* }
* else if (type === 'display') {
* return source.price_display;
* }
* else if (type === 'filter') {
* return source.price_filter;
* }
* // 'sort' and 'type' both just use the integer
* return source.price;
* }
* ]
* } );
* } );
*/
"mDataProp": null,
/**
* Class to give to each cell in this column.
* @type string
* @default <i>Empty string</i>
* @dtopt Columns
*
* @example
* // Using aoColumnDefs
* $(document).ready(function() {
* $('#example').dataTable( {
* "aoColumnDefs": [
* { "sClass": "my_class", "aTargets": [ 0 ] }
* ]
* } );
* } );
*
* @example
* // Using aoColumns
* $(document).ready(function() {
* $('#example').dataTable( {
* "aoColumns": [
* { "sClass": "my_class" },
* null,
* null,
* null,
* null
* ]
* } );
* } );
*/
"sClass": "",
/**
* When DataTables calculates the column widths to assign to each column,
* it finds the longest string in each column and then constructs a
* temporary table and reads the widths from that. The problem with this
* is that "mmm" is much wider then "iiii", but the latter is a longer
* string - thus the calculation can go wrong (doing it properly and putting
* it into an DOM object and measuring that is horribly(!) slow). Thus as
* a "work around" we provide this option. It will append its value to the
* text that is found to be the longest string for the column - i.e. padding.
* Generally you shouldn't need this, and it is not documented on the
* general DataTables.net documentation
* @type string
* @default <i>Empty string<i>
* @dtopt Columns
*
* @example
* // Using aoColumns
* $(document).ready(function() {
* $('#example').dataTable( {
* "aoColumns": [
* null,
* null,
* null,
* {
* "sContentPadding": "mmm"
* }
* ]
* } );
* } );
*/
"sContentPadding": "",
/**
* Allows a default value to be given for a column's data, and will be used
* whenever a null data source is encountered (this can be because mDataProp
* is set to null, or because the data source itself is null).
* @type string
* @default null
* @dtopt Columns
*
* @example
* // Using aoColumnDefs
* $(document).ready(function() {
* $('#example').dataTable( {
* "aoColumnDefs": [
* {
* "mDataProp": null,
* "sDefaultContent": "Edit",
* "aTargets": [ -1 ]
* }
* ]
* } );
* } );
*
* @example
* // Using aoColumns
* $(document).ready(function() {
* $('#example').dataTable( {
* "aoColumns": [
* null,
* null,
* null,
* {
* "mDataProp": null,
* "sDefaultContent": "Edit"
* }
* ]
* } );
* } );
*/
"sDefaultContent": null,
/**
* This parameter is only used in DataTables' server-side processing. It can
* be exceptionally useful to know what columns are being displayed on the
* client side, and to map these to database fields. When defined, the names
* also allow DataTables to reorder information from the server if it comes
* back in an unexpected order (i.e. if you switch your columns around on the
* client-side, your server-side code does not also need updating).
* @type string
* @default <i>Empty string</i>
* @dtopt Columns
*
* @example
* // Using aoColumnDefs
* $(document).ready(function() {
* $('#example').dataTable( {
* "aoColumnDefs": [
* { "sName": "engine", "aTargets": [ 0 ] },
* { "sName": "browser", "aTargets": [ 1 ] },
* { "sName": "platform", "aTargets": [ 2 ] },
* { "sName": "version", "aTargets": [ 3 ] },
* { "sName": "grade", "aTargets": [ 4 ] }
* ]
* } );
* } );
*
* @example
* // Using aoColumns
* $(document).ready(function() {
* $('#example').dataTable( {
* "aoColumns": [
* { "sName": "engine" },
* { "sName": "browser" },
* { "sName": "platform" },
* { "sName": "version" },
* { "sName": "grade" }
* ]
* } );
* } );
*/
"sName": "",
/**
* Defines a data source type for the sorting which can be used to read
* realtime information from the table (updating the internally cached
* version) prior to sorting. This allows sorting to occur on user editable
* elements such as form inputs.
* @type string
* @default std
* @dtopt Columns
*
* @example
* // Using aoColumnDefs
* $(document).ready(function() {
* $('#example').dataTable( {
* "aoColumnDefs": [
* { "sSortDataType": "dom-text", "aTargets": [ 2, 3 ] },
* { "sType": "numeric", "aTargets": [ 3 ] },
* { "sSortDataType": "dom-select", "aTargets": [ 4 ] },
* { "sSortDataType": "dom-checkbox", "aTargets": [ 5 ] }
* ]
* } );
* } );
*
* @example
* // Using aoColumns
* $(document).ready(function() {
* $('#example').dataTable( {
* "aoColumns": [
* null,
* null,
* { "sSortDataType": "dom-text" },
* { "sSortDataType": "dom-text", "sType": "numeric" },
* { "sSortDataType": "dom-select" },
* { "sSortDataType": "dom-checkbox" }
* ]
* } );
* } );
*/
"sSortDataType": "std",
/**
* The title of this column.
* @type string
* @default null <i>Derived from the 'TH' value for this column in the
* original HTML table.</i>
* @dtopt Columns
*
* @example
* // Using aoColumnDefs
* $(document).ready(function() {
* $('#example').dataTable( {
* "aoColumnDefs": [
* { "sTitle": "My column title", "aTargets": [ 0 ] }
* ]
* } );
* } );
*
* @example
* // Using aoColumns
* $(document).ready(function() {
* $('#example').dataTable( {
* "aoColumns": [
* { "sTitle": "My column title" },
* null,
* null,
* null,
* null
* ]
* } );
* } );
*/
"sTitle": null,
/**
* The type allows you to specify how the data for this column will be sorted.
* Four types (string, numeric, date and html (which will strip HTML tags
* before sorting)) are currently available. Note that only date formats
* understood by Javascript's Date() object will be accepted as type date. For
* example: "Mar 26, 2008 5:03 PM". May take the values: 'string', 'numeric',
* 'date' or 'html' (by default). Further types can be adding through
* plug-ins.
* @type string
* @default null <i>Auto-detected from raw data</i>
* @dtopt Columns
*
* @example
* // Using aoColumnDefs
* $(document).ready(function() {
* $('#example').dataTable( {
* "aoColumnDefs": [
* { "sType": "html", "aTargets": [ 0 ] }
* ]
* } );
* } );
*
* @example
* // Using aoColumns
* $(document).ready(function() {
* $('#example').dataTable( {
* "aoColumns": [
* { "sType": "html" },
* null,
* null,
* null,
* null
* ]
* } );
* } );
*/
"sType": null,
/**
* Defining the width of the column, this parameter may take any CSS value
* (3em, 20px etc). DataTables applys 'smart' widths to columns which have not
* been given a specific width through this interface ensuring that the table
* remains readable.
* @type string
* @default null <i>Automatic</i>
* @dtopt Columns
*
* @example
* // Using aoColumnDefs
* $(document).ready(function() {
* $('#example').dataTable( {
* "aoColumnDefs": [
* { "sWidth": "20%", "aTargets": [ 0 ] }
* ]
* } );
* } );
*
* @example
* // Using aoColumns
* $(document).ready(function() {
* $('#example').dataTable( {
* "aoColumns": [
* { "sWidth": "20%" },
* null,
* null,
* null,
* null
* ]
* } );
* } );
*/
"sWidth": null
};
/**
* DataTables settings object - this holds all the information needed for a
* given table, including configuration, data and current application of the
* table options. DataTables does not have a single instance for each DataTable
* with the settings attached to that instance, but rather instances of the
* DataTable "class" are created on-the-fly as needed (typically by a
* $().dataTable() call) and the settings object is then applied to that
* instance.
*
* Note that this object is related to {@link DataTable.defaults} but this
* one is the internal data store for DataTables's cache of columns. It should
* NOT be manipulated outside of DataTables. Any configuration should be done
* through the initialisation options.
* @namespace
* @todo Really should attach the settings object to individual instances so we
* don't need to create new instances on each $().dataTable() call (if the
* table already exists). It would also save passing oSettings around and
* into every single function. However, this is a very significant
* architecture change for DataTables and will almost certainly break
* backwards compatibility with older installations. This is something that
* will be done in 2.0.
*/
DataTable.models.oSettings = {
/**
* Primary features of DataTables and their enablement state.
* @namespace
*/
"oFeatures": {
/**
* Flag to say if DataTables should automatically try to calculate the
* optimum table and columns widths (true) or not (false).
* Note that this parameter will be set by the initialisation routine. To
* set a default use {@link DataTable.defaults}.
* @type boolean
*/
"bAutoWidth": null,
/**
* Delay the creation of TR and TD elements until they are actually
* needed by a driven page draw. This can give a significant speed
* increase for Ajax source and Javascript source data, but makes no
* difference at all fro DOM and server-side processing tables.
* Note that this parameter will be set by the initialisation routine. To
* set a default use {@link DataTable.defaults}.
* @type boolean
*/
"bDeferRender": null,
/**
* Enable filtering on the table or not. Note that if this is disabled
* then there is no filtering at all on the table, including fnFilter.
* To just remove the filtering input use sDom and remove the 'f' option.
* Note that this parameter will be set by the initialisation routine. To
* set a default use {@link DataTable.defaults}.
* @type boolean
*/
"bFilter": null,
/**
* Table information element (the 'Showing x of y records' div) enable
* flag.
* Note that this parameter will be set by the initialisation routine. To
* set a default use {@link DataTable.defaults}.
* @type boolean
*/
"bInfo": null,
/**
* Present a user control allowing the end user to change the page size
* when pagination is enabled.
* Note that this parameter will be set by the initialisation routine. To
* set a default use {@link DataTable.defaults}.
* @type boolean
*/
"bLengthChange": null,
/**
* Pagination enabled or not. Note that if this is disabled then length
* changing must also be disabled.
* Note that this parameter will be set by the initialisation routine. To
* set a default use {@link DataTable.defaults}.
* @type boolean
*/
"bPaginate": null,
/**
* Processing indicator enable flag whenever DataTables is enacting a
* user request - typically an Ajax request for server-side processing.
* Note that this parameter will be set by the initialisation routine. To
* set a default use {@link DataTable.defaults}.
* @type boolean
*/
"bProcessing": null,
/**
* Server-side processing enabled flag - when enabled DataTables will
* get all data from the server for every draw - there is no filtering,
* sorting or paging done on the client-side.
* Note that this parameter will be set by the initialisation routine. To
* set a default use {@link DataTable.defaults}.
* @type boolean
*/
"bServerSide": null,
/**
* Sorting enablement flag.
* Note that this parameter will be set by the initialisation routine. To
* set a default use {@link DataTable.defaults}.
* @type boolean
*/
"bSort": null,
/**
* Apply a class to the columns which are being sorted to provide a
* visual highlight or not. This can slow things down when enabled since
* there is a lot of DOM interaction.
* Note that this parameter will be set by the initialisation routine. To
* set a default use {@link DataTable.defaults}.
* @type boolean
*/
"bSortClasses": null,
/**
* State saving enablement flag.
* Note that this parameter will be set by the initialisation routine. To
* set a default use {@link DataTable.defaults}.
* @type boolean
*/
"bStateSave": null
},
/**
* Scrolling settings for a table.
* @namespace
*/
"oScroll": {
/**
* Indicate if DataTables should be allowed to set the padding / margin
* etc for the scrolling header elements or not. Typically you will want
* this.
* Note that this parameter will be set by the initialisation routine. To
* set a default use {@link DataTable.defaults}.
* @type boolean
*/
"bAutoCss": null,
/**
* When the table is shorter in height than sScrollY, collapse the
* table container down to the height of the table (when true).
* Note that this parameter will be set by the initialisation routine. To
* set a default use {@link DataTable.defaults}.
* @type boolean
*/
"bCollapse": null,
/**
* Infinite scrolling enablement flag. Now deprecated in favour of
* using the Scroller plug-in.
* Note that this parameter will be set by the initialisation routine. To
* set a default use {@link DataTable.defaults}.
* @type boolean
*/
"bInfinite": null,
/**
* Width of the scrollbar for the web-browser's platform. Calculated
* during table initialisation.
* @type int
* @default 0
*/
"iBarWidth": 0,
/**
* Space (in pixels) between the bottom of the scrolling container and
* the bottom of the scrolling viewport before the next page is loaded
* when using infinite scrolling.
* Note that this parameter will be set by the initialisation routine. To
* set a default use {@link DataTable.defaults}.
* @type int
*/
"iLoadGap": null,
/**
* Viewport width for horizontal scrolling. Horizontal scrolling is
* disabled if an empty string.
* Note that this parameter will be set by the initialisation routine. To
* set a default use {@link DataTable.defaults}.
* @type string
*/
"sX": null,
/**
* Width to expand the table to when using x-scrolling. Typically you
* should not need to use this.
* Note that this parameter will be set by the initialisation routine. To
* set a default use {@link DataTable.defaults}.
* @type string
* @deprecated
*/
"sXInner": null,
/**
* Viewport height for vertical scrolling. Vertical scrolling is disabled
* if an empty string.
* Note that this parameter will be set by the initialisation routine. To
* set a default use {@link DataTable.defaults}.
* @type string
*/
"sY": null
},
/**
* Language information for the table.
* @namespace
* @extends DataTable.defaults.oLanguage
*/
"oLanguage": {
/**
* Information callback function. See
* {@link DataTable.defaults.fnInfoCallback}
* @type function
* @default
*/
"fnInfoCallback": null
},
/**
* Array referencing the nodes which are used for the features. The
* parameters of this object match what is allowed by sDom - i.e.
* <ul>
* <li>'l' - Length changing</li>
* <li>'f' - Filtering input</li>
* <li>'t' - The table!</li>
* <li>'i' - Information</li>
* <li>'p' - Pagination</li>
* <li>'r' - pRocessing</li>
* </ul>
* @type array
* @default []
*/
"aanFeatures": [],
/**
* Store data information - see {@link DataTable.models.oRow} for detailed
* information.
* @type array
* @default []
*/
"aoData": [],
/**
* Array of indexes which are in the current display (after filtering etc)
* @type array
* @default []
*/
"aiDisplay": [],
/**
* Array of indexes for display - no filtering
* @type array
* @default []
*/
"aiDisplayMaster": [],
/**
* Store information about each column that is in use
* @type array
* @default []
*/
"aoColumns": [],
/**
* Store information about the table's header
* @type array
* @default []
*/
"aoHeader": [],
/**
* Store information about the table's footer
* @type array
* @default []
*/
"aoFooter": [],
/**
* Search data array for regular expression searching
* @type array
* @default []
*/
"asDataSearch": [],
/**
* Store the applied global search information in case we want to force a
* research or compare the old search to a new one.
* Note that this parameter will be set by the initialisation routine. To
* set a default use {@link DataTable.defaults}.
* @namespace
* @extends DataTable.models.oSearch
*/
"oPreviousSearch": {},
/**
* Store the applied search for each column - see
* {@link DataTable.models.oSearch} for the format that is used for the
* filtering information for each column.
* @type array
* @default []
*/
"aoPreSearchCols": [],
/**
* Sorting that is applied to the table. Note that the inner arrays are
* used in the following manner:
* <ul>
* <li>Index 0 - column number</li>
* <li>Index 1 - current sorting direction</li>
* <li>Index 2 - index of asSorting for this column</li>
* </ul>
* Note that this parameter will be set by the initialisation routine. To
* set a default use {@link DataTable.defaults}.
* @type array
* @todo These inner arrays should really be objects
*/
"aaSorting": null,
/**
* Sorting that is always applied to the table (i.e. prefixed in front of
* aaSorting).
* Note that this parameter will be set by the initialisation routine. To
* set a default use {@link DataTable.defaults}.
* @type array|null
* @default null
*/
"aaSortingFixed": null,
/**
* Classes to use for the striping of a table.
* Note that this parameter will be set by the initialisation routine. To
* set a default use {@link DataTable.defaults}.
* @type array
* @default []
*/
"asStripeClasses": null,
/**
* If restoring a table - we should restore its striping classes as well
* @type array
* @default []
*/
"asDestroyStripes": [],
/**
* If restoring a table - we should restore its width
* @type int
* @default 0
*/
"sDestroyWidth": 0,
/**
* Callback functions array for every time a row is inserted (i.e. on a draw).
* @type array
* @default []
*/
"aoRowCallback": [],
/**
* Callback functions for the header on each draw.
* @type array
* @default []
*/
"aoHeaderCallback": [],
/**
* Callback function for the footer on each draw.
* @type array
* @default []
*/
"aoFooterCallback": [],
/**
* Array of callback functions for draw callback functions
* @type array
* @default []
*/
"aoDrawCallback": [],
/**
* Array of callback functions for row created function
* @type array
* @default []
*/
"aoRowCreatedCallback": [],
/**
* Callback functions for just before the table is redrawn. A return of
* false will be used to cancel the draw.
* @type array
* @default []
*/
"aoPreDrawCallback": [],
/**
* Callback functions for when the table has been initialised.
* @type array
* @default []
*/
"aoInitComplete": [],
/**
* Callbacks for modifying the settings to be stored for state saving, prior to
* saving state.
* @type array
* @default []
*/
"aoStateSaveParams": [],
/**
* Callbacks for modifying the settings that have been stored for state saving
* prior to using the stored values to restore the state.
* @type array
* @default []
*/
"aoStateLoadParams": [],
/**
* Callbacks for operating on the settings object once the saved state has been
* loaded
* @type array
* @default []
*/
"aoStateLoaded": [],
/**
* Cache the table ID for quick access
* @type string
* @default <i>Empty string</i>
*/
"sTableId": "",
/**
* The TABLE node for the main table
* @type node
* @default null
*/
"nTable": null,
/**
* Permanent ref to the thead element
* @type node
* @default null
*/
"nTHead": null,
/**
* Permanent ref to the tfoot element - if it exists
* @type node
* @default null
*/
"nTFoot": null,
/**
* Permanent ref to the tbody element
* @type node
* @default null
*/
"nTBody": null,
/**
* Cache the wrapper node (contains all DataTables controlled elements)
* @type node
* @default null
*/
"nTableWrapper": null,
/**
* Indicate if when using server-side processing the loading of data
* should be deferred until the second draw.
* Note that this parameter will be set by the initialisation routine. To
* set a default use {@link DataTable.defaults}.
* @type boolean
* @default false
*/
"bDeferLoading": false,
/**
* Indicate if all required information has been read in
* @type boolean
* @default false
*/
"bInitialised": false,
/**
* Information about open rows. Each object in the array has the parameters
* 'nTr' and 'nParent'
* @type array
* @default []
*/
"aoOpenRows": [],
/**
* Dictate the positioning of DataTables' control elements - see
* {@link DataTable.model.oInit.sDom}.
* Note that this parameter will be set by the initialisation routine. To
* set a default use {@link DataTable.defaults}.
* @type string
* @default null
*/
"sDom": null,
/**
* Which type of pagination should be used.
* Note that this parameter will be set by the initialisation routine. To
* set a default use {@link DataTable.defaults}.
* @type string
* @default two_button
*/
"sPaginationType": "two_button",
/**
* The cookie duration (for bStateSave) in seconds.
* Note that this parameter will be set by the initialisation routine. To
* set a default use {@link DataTable.defaults}.
* @type int
* @default 0
*/
"iCookieDuration": 0,
/**
* The cookie name prefix.
* Note that this parameter will be set by the initialisation routine. To
* set a default use {@link DataTable.defaults}.
* @type string
* @default <i>Empty string</i>
*/
"sCookiePrefix": "",
/**
* Callback function for cookie creation.
* Note that this parameter will be set by the initialisation routine. To
* set a default use {@link DataTable.defaults}.
* @type function
* @default null
*/
"fnCookieCallback": null,
/**
* Array of callback functions for state saving. Each array element is an
* object with the following parameters:
* <ul>
* <li>function:fn - function to call. Takes two parameters, oSettings
* and the JSON string to save that has been thus far created. Returns
* a JSON string to be inserted into a json object
* (i.e. '"param": [ 0, 1, 2]')</li>
* <li>string:sName - name of callback</li>
* </ul>
* @type array
* @default []
*/
"aoStateSave": [],
/**
* Array of callback functions for state loading. Each array element is an
* object with the following parameters:
* <ul>
* <li>function:fn - function to call. Takes two parameters, oSettings
* and the object stored. May return false to cancel state loading</li>
* <li>string:sName - name of callback</li>
* </ul>
* @type array
* @default []
*/
"aoStateLoad": [],
/**
* State that was loaded from the cookie. Useful for back reference
* @type object
* @default null
*/
"oLoadedState": null,
/**
* Source url for AJAX data for the table.
* Note that this parameter will be set by the initialisation routine. To
* set a default use {@link DataTable.defaults}.
* @type string
* @default null
*/
"sAjaxSource": null,
/**
* Property from a given object from which to read the table data from. This
* can be an empty string (when not server-side processing), in which case
* it is assumed an an array is given directly.
* Note that this parameter will be set by the initialisation routine. To
* set a default use {@link DataTable.defaults}.
* @type string
*/
"sAjaxDataProp": null,
/**
* Note if draw should be blocked while getting data
* @type boolean
* @default true
*/
"bAjaxDataGet": true,
/**
* The last jQuery XHR object that was used for server-side data gathering.
* This can be used for working with the XHR information in one of the
* callbacks
* @type object
* @default null
*/
"jqXHR": null,
/**
* Function to get the server-side data.
* Note that this parameter will be set by the initialisation routine. To
* set a default use {@link DataTable.defaults}.
* @type function
*/
"fnServerData": null,
/**
* Functions which are called prior to sending an Ajax request so extra
* parameters can easily be sent to the server
* @type array
* @default []
*/
"aoServerParams": [],
/**
* Send the XHR HTTP method - GET or POST (could be PUT or DELETE if
* required).
* Note that this parameter will be set by the initialisation routine. To
* set a default use {@link DataTable.defaults}.
* @type string
*/
"sServerMethod": null,
/**
* Format numbers for display.
* Note that this parameter will be set by the initialisation routine. To
* set a default use {@link DataTable.defaults}.
* @type function
*/
"fnFormatNumber": null,
/**
* List of options that can be used for the user selectable length menu.
* Note that this parameter will be set by the initialisation routine. To
* set a default use {@link DataTable.defaults}.
* @type array
* @default []
*/
"aLengthMenu": null,
/**
* Counter for the draws that the table does. Also used as a tracker for
* server-side processing
* @type int
* @default 0
*/
"iDraw": 0,
/**
* Indicate if a redraw is being done - useful for Ajax
* @type boolean
* @default false
*/
"bDrawing": false,
/**
* Draw index (iDraw) of the last error when parsing the returned data
* @type int
* @default -1
*/
"iDrawError": -1,
/**
* Paging display length
* @type int
* @default 10
*/
"_iDisplayLength": 10,
/**
* Paging start point - aiDisplay index
* @type int
* @default 0
*/
"_iDisplayStart": 0,
/**
* Paging end point - aiDisplay index. Use fnDisplayEnd rather than
* this property to get the end point
* @type int
* @default 10
* @private
*/
"_iDisplayEnd": 10,
/**
* Server-side processing - number of records in the result set
* (i.e. before filtering), Use fnRecordsTotal rather than
* this property to get the value of the number of records, regardless of
* the server-side processing setting.
* @type int
* @default 0
* @private
*/
"_iRecordsTotal": 0,
/**
* Server-side processing - number of records in the current display set
* (i.e. after filtering). Use fnRecordsDisplay rather than
* this property to get the value of the number of records, regardless of
* the server-side processing setting.
* @type boolean
* @default 0
* @private
*/
"_iRecordsDisplay": 0,
/**
* Flag to indicate if jQuery UI marking and classes should be used.
* Note that this parameter will be set by the initialisation routine. To
* set a default use {@link DataTable.defaults}.
* @type boolean
*/
"bJUI": null,
/**
* The classes to use for the table
* @type object
* @default {}
*/
"oClasses": {},
/**
* Flag attached to the settings object so you can check in the draw
* callback if filtering has been done in the draw. Deprecated in favour of
* events.
* @type boolean
* @default false
* @deprecated
*/
"bFiltered": false,
/**
* Flag attached to the settings object so you can check in the draw
* callback if sorting has been done in the draw. Deprecated in favour of
* events.
* @type boolean
* @default false
* @deprecated
*/
"bSorted": false,
/**
* Indicate that if multiple rows are in the header and there is more than
* one unique cell per column, if the top one (true) or bottom one (false)
* should be used for sorting / title by DataTables.
* Note that this parameter will be set by the initialisation routine. To
* set a default use {@link DataTable.defaults}.
* @type boolean
*/
"bSortCellsTop": null,
/**
* Initialisation object that is used for the table
* @type object
* @default null
*/
"oInit": null,
/**
* Destroy callback functions - for plug-ins to attach themselves to the
* destroy so they can clean up markup and events.
* @type array
* @default []
*/
"aoDestroyCallback": [],
/**
* Get the number of records in the current record set, before filtering
* @type function
*/
"fnRecordsTotal": function ()
{
if ( this.oFeatures.bServerSide ) {
return parseInt(this._iRecordsTotal, 10);
} else {
return this.aiDisplayMaster.length;
}
},
/**
* Get the number of records in the current record set, after filtering
* @type function
*/
"fnRecordsDisplay": function ()
{
if ( this.oFeatures.bServerSide ) {
return parseInt(this._iRecordsDisplay, 10);
} else {
return this.aiDisplay.length;
}
},
/**
* Set the display end point - aiDisplay index
* @type function
* @todo Should do away with _iDisplayEnd and calculate it on-the-fly here
*/
"fnDisplayEnd": function ()
{
if ( this.oFeatures.bServerSide ) {
if ( this.oFeatures.bPaginate === false || this._iDisplayLength == -1 ) {
return this._iDisplayStart+this.aiDisplay.length;
} else {
return Math.min( this._iDisplayStart+this._iDisplayLength,
this._iRecordsDisplay );
}
} else {
return this._iDisplayEnd;
}
},
/**
* The DataTables object for this table
* @type object
* @default null
*/
"oInstance": null,
/**
* Unique identifier for each instance of the DataTables object. If there
* is an ID on the table node, then it takes that value, otherwise an
* incrementing internal counter is used.
* @type string
* @default null
*/
"sInstance": null,
/**
* tabindex attribute value that is added to DataTables control elements, allowing
* keyboard navigation of the table and its controls.
*/
"iTabIndex": 0
};
/**
* Extension object for DataTables that is used to provide all extension options.
*
* Note that the <i>DataTable.ext</i> object is available through
* <i>jQuery.fn.dataTable.ext</i> where it may be accessed and manipulated. It is
* also aliased to <i>jQuery.fn.dataTableExt</i> for historic reasons.
* @namespace
* @extends DataTable.models.ext
*/
DataTable.ext = $.extend( true, {}, DataTable.models.ext );
$.extend( DataTable.ext.oStdClasses, {
"sTable": "dataTable",
/* Two buttons buttons */
"sPagePrevEnabled": "paginate_enabled_previous",
"sPagePrevDisabled": "paginate_disabled_previous",
"sPageNextEnabled": "paginate_enabled_next",
"sPageNextDisabled": "paginate_disabled_next",
"sPageJUINext": "",
"sPageJUIPrev": "",
/* Full numbers paging buttons */
"sPageButton": "paginate_button",
"sPageButtonActive": "paginate_active",
"sPageButtonStaticDisabled": "paginate_button paginate_button_disabled",
"sPageFirst": "first",
"sPagePrevious": "previous",
"sPageNext": "next",
"sPageLast": "last",
/* Striping classes */
"sStripeOdd": "odd",
"sStripeEven": "even",
/* Empty row */
"sRowEmpty": "dataTables_empty",
/* Features */
"sWrapper": "dataTables_wrapper",
"sFilter": "dataTables_filter",
"sInfo": "dataTables_info",
"sPaging": "dataTables_paginate paging_", /* Note that the type is postfixed */
"sLength": "dataTables_length",
"sProcessing": "dataTables_processing",
/* Sorting */
"sSortAsc": "sorting_asc",
"sSortDesc": "sorting_desc",
"sSortable": "sorting", /* Sortable in both directions */
"sSortableAsc": "sorting_asc_disabled",
"sSortableDesc": "sorting_desc_disabled",
"sSortableNone": "sorting_disabled",
"sSortColumn": "sorting_", /* Note that an int is postfixed for the sorting order */
"sSortJUIAsc": "",
"sSortJUIDesc": "",
"sSortJUI": "",
"sSortJUIAscAllowed": "",
"sSortJUIDescAllowed": "",
"sSortJUIWrapper": "",
"sSortIcon": "",
/* Scrolling */
"sScrollWrapper": "dataTables_scroll",
"sScrollHead": "dataTables_scrollHead",
"sScrollHeadInner": "dataTables_scrollHeadInner",
"sScrollBody": "dataTables_scrollBody",
"sScrollFoot": "dataTables_scrollFoot",
"sScrollFootInner": "dataTables_scrollFootInner",
/* Misc */
"sFooterTH": ""
} );
$.extend( DataTable.ext.oJUIClasses, DataTable.ext.oStdClasses, {
/* Two buttons buttons */
"sPagePrevEnabled": "fg-button ui-button ui-state-default ui-corner-left",
"sPagePrevDisabled": "fg-button ui-button ui-state-default ui-corner-left ui-state-disabled",
"sPageNextEnabled": "fg-button ui-button ui-state-default ui-corner-right",
"sPageNextDisabled": "fg-button ui-button ui-state-default ui-corner-right ui-state-disabled",
"sPageJUINext": "ui-icon ui-icon-circle-arrow-e",
"sPageJUIPrev": "ui-icon ui-icon-circle-arrow-w",
/* Full numbers paging buttons */
"sPageButton": "fg-button ui-button ui-state-default",
"sPageButtonActive": "fg-button ui-button ui-state-default ui-state-disabled",
"sPageButtonStaticDisabled": "fg-button ui-button ui-state-default ui-state-disabled",
"sPageFirst": "first ui-corner-tl ui-corner-bl",
"sPageLast": "last ui-corner-tr ui-corner-br",
/* Features */
"sPaging": "dataTables_paginate fg-buttonset ui-buttonset fg-buttonset-multi "+
"ui-buttonset-multi paging_", /* Note that the type is postfixed */
/* Sorting */
"sSortAsc": "ui-state-default",
"sSortDesc": "ui-state-default",
"sSortable": "ui-state-default",
"sSortableAsc": "ui-state-default",
"sSortableDesc": "ui-state-default",
"sSortableNone": "ui-state-default",
"sSortJUIAsc": "css_right ui-icon ui-icon-triangle-1-n",
"sSortJUIDesc": "css_right ui-icon ui-icon-triangle-1-s",
"sSortJUI": "css_right ui-icon ui-icon-carat-2-n-s",
"sSortJUIAscAllowed": "css_right ui-icon ui-icon-carat-1-n",
"sSortJUIDescAllowed": "css_right ui-icon ui-icon-carat-1-s",
"sSortJUIWrapper": "DataTables_sort_wrapper",
"sSortIcon": "DataTables_sort_icon",
/* Scrolling */
"sScrollHead": "dataTables_scrollHead ui-state-default",
"sScrollFoot": "dataTables_scrollFoot ui-state-default",
/* Misc */
"sFooterTH": "ui-state-default"
} );
/*
* Variable: oPagination
* Purpose:
* Scope: jQuery.fn.dataTableExt
*/
$.extend( DataTable.ext.oPagination, {
/*
* Variable: two_button
* Purpose: Standard two button (forward/back) pagination
* Scope: jQuery.fn.dataTableExt.oPagination
*/
"two_button": {
/*
* Function: oPagination.two_button.fnInit
* Purpose: Initialise dom elements required for pagination with forward/back buttons only
* Returns: -
* Inputs: object:oSettings - dataTables settings object
* node:nPaging - the DIV which contains this pagination control
* function:fnCallbackDraw - draw function which must be called on update
*/
"fnInit": function ( oSettings, nPaging, fnCallbackDraw )
{
var oLang = oSettings.oLanguage.oPaginate;
var oClasses = oSettings.oClasses;
var fnClickHandler = function ( e ) {
if ( oSettings.oApi._fnPageChange( oSettings, e.data.action ) )
{
fnCallbackDraw( oSettings );
}
};
var sAppend = (!oSettings.bJUI) ?
'<a class="'+oSettings.oClasses.sPagePrevDisabled+'" tabindex="'+oSettings.iTabIndex+'" role="button">'+oLang.sPrevious+'</a>'+
'<a class="'+oSettings.oClasses.sPageNextDisabled+'" tabindex="'+oSettings.iTabIndex+'" role="button">'+oLang.sNext+'</a>'
:
'<a class="'+oSettings.oClasses.sPagePrevDisabled+'" tabindex="'+oSettings.iTabIndex+'" role="button"><span class="'+oSettings.oClasses.sPageJUIPrev+'"></span></a>'+
'<a class="'+oSettings.oClasses.sPageNextDisabled+'" tabindex="'+oSettings.iTabIndex+'" role="button"><span class="'+oSettings.oClasses.sPageJUINext+'"></span></a>';
$(nPaging).append( sAppend );
var els = $('a', nPaging);
var nPrevious = els[0],
nNext = els[1];
oSettings.oApi._fnBindAction( nPrevious, {action: "previous"}, fnClickHandler );
oSettings.oApi._fnBindAction( nNext, {action: "next"}, fnClickHandler );
/* ID the first elements only */
if ( !oSettings.aanFeatures.p )
{
nPaging.id = oSettings.sTableId+'_paginate';
nPrevious.id = oSettings.sTableId+'_previous';
nNext.id = oSettings.sTableId+'_next';
nPrevious.setAttribute('aria-controls', oSettings.sTableId);
nNext.setAttribute('aria-controls', oSettings.sTableId);
}
},
/*
* Function: oPagination.two_button.fnUpdate
* Purpose: Update the two button pagination at the end of the draw
* Returns: -
* Inputs: object:oSettings - dataTables settings object
* function:fnCallbackDraw - draw function to call on page change
*/
"fnUpdate": function ( oSettings, fnCallbackDraw )
{
if ( !oSettings.aanFeatures.p )
{
return;
}
var oClasses = oSettings.oClasses;
var an = oSettings.aanFeatures.p;
/* Loop over each instance of the pager */
for ( var i=0, iLen=an.length ; i<iLen ; i++ )
{
if ( an[i].childNodes.length !== 0 )
{
an[i].childNodes[0].className = ( oSettings._iDisplayStart === 0 ) ?
oClasses.sPagePrevDisabled : oClasses.sPagePrevEnabled;
an[i].childNodes[1].className = ( oSettings.fnDisplayEnd() == oSettings.fnRecordsDisplay() ) ?
oClasses.sPageNextDisabled : oClasses.sPageNextEnabled;
}
}
}
},
/*
* Variable: iFullNumbersShowPages
* Purpose: Change the number of pages which can be seen
* Scope: jQuery.fn.dataTableExt.oPagination
*/
"iFullNumbersShowPages": 5,
/*
* Variable: full_numbers
* Purpose: Full numbers pagination
* Scope: jQuery.fn.dataTableExt.oPagination
*/
"full_numbers": {
/*
* Function: oPagination.full_numbers.fnInit
* Purpose: Initialise dom elements required for pagination with a list of the pages
* Returns: -
* Inputs: object:oSettings - dataTables settings object
* node:nPaging - the DIV which contains this pagination control
* function:fnCallbackDraw - draw function which must be called on update
*/
"fnInit": function ( oSettings, nPaging, fnCallbackDraw )
{
var oLang = oSettings.oLanguage.oPaginate;
var oClasses = oSettings.oClasses;
var fnClickHandler = function ( e ) {
if ( oSettings.oApi._fnPageChange( oSettings, e.data.action ) )
{
fnCallbackDraw( oSettings );
}
};
$(nPaging).append(
'<a tabindex="'+oSettings.iTabIndex+'" class="'+oClasses.sPageButton+" "+oClasses.sPageFirst+'">'+oLang.sFirst+'</a>'+
'<a tabindex="'+oSettings.iTabIndex+'" class="'+oClasses.sPageButton+" "+oClasses.sPagePrevious+'">'+oLang.sPrevious+'</a>'+
'<span></span>'+
'<a tabindex="'+oSettings.iTabIndex+'" class="'+oClasses.sPageButton+" "+oClasses.sPageNext+'">'+oLang.sNext+'</a>'+
'<a tabindex="'+oSettings.iTabIndex+'" class="'+oClasses.sPageButton+" "+oClasses.sPageLast+'">'+oLang.sLast+'</a>'
);
var els = $('a', nPaging);
var nFirst = els[0],
nPrev = els[1],
nNext = els[2],
nLast = els[3];
oSettings.oApi._fnBindAction( nFirst, {action: "first"}, fnClickHandler );
oSettings.oApi._fnBindAction( nPrev, {action: "previous"}, fnClickHandler );
oSettings.oApi._fnBindAction( nNext, {action: "next"}, fnClickHandler );
oSettings.oApi._fnBindAction( nLast, {action: "last"}, fnClickHandler );
/* ID the first elements only */
if ( !oSettings.aanFeatures.p )
{
nPaging.id = oSettings.sTableId+'_paginate';
nFirst.id =oSettings.sTableId+'_first';
nPrev.id =oSettings.sTableId+'_previous';
nNext.id =oSettings.sTableId+'_next';
nLast.id =oSettings.sTableId+'_last';
}
},
/*
* Function: oPagination.full_numbers.fnUpdate
* Purpose: Update the list of page buttons shows
* Returns: -
* Inputs: object:oSettings - dataTables settings object
* function:fnCallbackDraw - draw function to call on page change
*/
"fnUpdate": function ( oSettings, fnCallbackDraw )
{
if ( !oSettings.aanFeatures.p )
{
return;
}
var iPageCount = DataTable.ext.oPagination.iFullNumbersShowPages;
var iPageCountHalf = Math.floor(iPageCount / 2);
var iPages = Math.ceil((oSettings.fnRecordsDisplay()) / oSettings._iDisplayLength);
var iCurrentPage = Math.ceil(oSettings._iDisplayStart / oSettings._iDisplayLength) + 1;
var sList = "";
var iStartButton, iEndButton, i, iLen;
var oClasses = oSettings.oClasses;
var anButtons, anStatic, nPaginateList;
var an = oSettings.aanFeatures.p;
var fnBind = function (j) {
oSettings.oApi._fnBindAction( this, {"page": j+iStartButton-1}, function(e) {
/* Use the information in the element to jump to the required page */
oSettings.oApi._fnPageChange( oSettings, e.data.page );
fnCallbackDraw( oSettings );
e.preventDefault();
} );
};
/* Pages calculation */
if (iPages < iPageCount)
{
iStartButton = 1;
iEndButton = iPages;
}
else if (iCurrentPage <= iPageCountHalf)
{
iStartButton = 1;
iEndButton = iPageCount;
}
else if (iCurrentPage >= (iPages - iPageCountHalf))
{
iStartButton = iPages - iPageCount + 1;
iEndButton = iPages;
}
else
{
iStartButton = iCurrentPage - Math.ceil(iPageCount / 2) + 1;
iEndButton = iStartButton + iPageCount - 1;
}
/* Build the dynamic list */
for ( i=iStartButton ; i<=iEndButton ; i++ )
{
sList += (iCurrentPage !== i) ?
'<a tabindex="'+oSettings.iTabIndex+'" class="'+oClasses.sPageButton+'">'+oSettings.fnFormatNumber(i)+'</a>' :
'<a tabindex="'+oSettings.iTabIndex+'" class="'+oClasses.sPageButtonActive+'">'+oSettings.fnFormatNumber(i)+'</a>';
}
/* Loop over each instance of the pager */
for ( i=0, iLen=an.length ; i<iLen ; i++ )
{
if ( an[i].childNodes.length === 0 )
{
continue;
}
/* Build up the dynamic list forst - html and listeners */
$('span:eq(0)', an[i])
.html( sList )
.children('a').each( fnBind );
/* Update the premanent botton's classes */
anButtons = an[i].getElementsByTagName('a');
anStatic = [
anButtons[0], anButtons[1],
anButtons[anButtons.length-2], anButtons[anButtons.length-1]
];
$(anStatic).removeClass( oClasses.sPageButton+" "+oClasses.sPageButtonActive+" "+oClasses.sPageButtonStaticDisabled );
$([anStatic[0], anStatic[1]]).addClass(
(iCurrentPage==1) ?
oClasses.sPageButtonStaticDisabled :
oClasses.sPageButton
);
$([anStatic[2], anStatic[3]]).addClass(
(iPages===0 || iCurrentPage===iPages || oSettings._iDisplayLength===-1) ?
oClasses.sPageButtonStaticDisabled :
oClasses.sPageButton
);
}
}
}
} );
$.extend( DataTable.ext.oSort, {
/*
* text sorting
*/
"string-pre": function ( a )
{
if ( typeof a != 'string' ) { a = ''; }
return a.toLowerCase();
},
"string-asc": function ( x, y )
{
return ((x < y) ? -1 : ((x > y) ? 1 : 0));
},
"string-desc": function ( x, y )
{
return ((x < y) ? 1 : ((x > y) ? -1 : 0));
},
/*
* html sorting (ignore html tags)
*/
"html-pre": function ( a )
{
return a.replace( /<.*?>/g, "" ).toLowerCase();
},
"html-asc": function ( x, y )
{
return ((x < y) ? -1 : ((x > y) ? 1 : 0));
},
"html-desc": function ( x, y )
{
return ((x < y) ? 1 : ((x > y) ? -1 : 0));
},
/*
* date sorting
*/
"date-pre": function ( a )
{
var x = Date.parse( a );
if ( isNaN(x) || x==="" )
{
x = Date.parse( "01/01/1970 00:00:00" );
}
return x;
},
"date-asc": function ( x, y )
{
return x - y;
},
"date-desc": function ( x, y )
{
return y - x;
},
/*
* numerical sorting
*/
"numeric-pre": function ( a )
{
return (a=="-" || a==="") ? 0 : a*1;
},
"numeric-asc": function ( x, y )
{
return x - y;
},
"numeric-desc": function ( x, y )
{
return y - x;
}
} );
$.extend( DataTable.ext.aTypes, [
/*
* Function: -
* Purpose: Check to see if a string is numeric
* Returns: string:'numeric' or null
* Inputs: mixed:sText - string to check
*/
function ( sData )
{
/* Allow zero length strings as a number */
if ( typeof sData === 'number' )
{
return 'numeric';
}
else if ( typeof sData !== 'string' )
{
return null;
}
var sValidFirstChars = "0123456789-";
var sValidChars = "0123456789.";
var Char;
var bDecimal = false;
/* Check for a valid first char (no period and allow negatives) */
Char = sData.charAt(0);
if (sValidFirstChars.indexOf(Char) == -1)
{
return null;
}
/* Check all the other characters are valid */
for ( var i=1 ; i<sData.length ; i++ )
{
Char = sData.charAt(i);
if (sValidChars.indexOf(Char) == -1)
{
return null;
}
/* Only allowed one decimal place... */
if ( Char == "." )
{
if ( bDecimal )
{
return null;
}
bDecimal = true;
}
}
return 'numeric';
},
/*
* Function: -
* Purpose: Check to see if a string is actually a formatted date
* Returns: string:'date' or null
* Inputs: string:sText - string to check
*/
function ( sData )
{
var iParse = Date.parse(sData);
if ( (iParse !== null && !isNaN(iParse)) || (typeof sData === 'string' && sData.length === 0) )
{
return 'date';
}
return null;
},
/*
* Function: -
* Purpose: Check to see if a string should be treated as an HTML string
* Returns: string:'html' or null
* Inputs: string:sText - string to check
*/
function ( sData )
{
if ( typeof sData === 'string' && sData.indexOf('<') != -1 && sData.indexOf('>') != -1 )
{
return 'html';
}
return null;
}
] );
// jQuery aliases
$.fn.DataTable = DataTable;
$.fn.dataTable = DataTable;
$.fn.dataTableSettings = DataTable.settings;
$.fn.dataTableExt = DataTable.ext;
// Information about events fired by DataTables - for documentation.
/**
* Draw event, fired whenever the table is redrawn on the page, at the same point as
* fnDrawCallback. This may be useful for binding events or performing calculations when
* the table is altered at all.
* @name DataTable#draw
* @event
* @param {event} e jQuery event object
* @param {object} o DataTables settings object {@link DataTable.models.oSettings}
*/
/**
* Filter event, fired when the filtering applied to the table (using the build in global
* global filter, or column filters) is altered.
* @name DataTable#filter
* @event
* @param {event} e jQuery event object
* @param {object} o DataTables settings object {@link DataTable.models.oSettings}
*/
/**
* Page change event, fired when the paging of the table is altered.
* @name DataTable#page
* @event
* @param {event} e jQuery event object
* @param {object} o DataTables settings object {@link DataTable.models.oSettings}
*/
/**
* Sort event, fired when the sorting applied to the table is altered.
* @name DataTable#sort
* @event
* @param {event} e jQuery event object
* @param {object} o DataTables settings object {@link DataTable.models.oSettings}
*/
/**
* DataTables initialisation complete event, fired when the table is fully drawn,
* including Ajax data loaded, if Ajax data is required.
* @name DataTable#init
* @event
* @param {event} e jQuery event object
* @param {object} oSettings DataTables settings object
* @param {object} json The JSON object request from the server - only
* present if client-side Ajax sourced data is used</li></ol>
*/
/**
* State save event, fired when the table has changed state a new state save is required.
* This method allows modification of the state saving object prior to actually doing the
* save, including addition or other state properties (for plug-ins) or modification
* of a DataTables core property.
* @name DataTable#stateSaveParams
* @event
* @param {event} e jQuery event object
* @param {object} oSettings DataTables settings object
* @param {object} json The state information to be saved
*/
/**
* State load event, fired when the table is loading state from the stored data, but
* prior to the settings object being modified by the saved state - allowing modification
* of the saved state is required or loading of state for a plug-in.
* @name DataTable#stateLoadParams
* @event
* @param {event} e jQuery event object
* @param {object} oSettings DataTables settings object
* @param {object} json The saved state information
*/
/**
* State loaded event, fired when state has been loaded from stored data and the settings
* object has been modified by the loaded data.
* @name DataTable#stateLoaded
* @event
* @param {event} e jQuery event object
* @param {object} oSettings DataTables settings object
* @param {object} json The saved state information
*/
/**
* Processing event, fired when DataTables is doing some kind of processing (be it,
* sort, filter or anything else). Can be used to indicate to the end user that
* there is something happening, or that something has finished.
* @name DataTable#processing
* @event
* @param {event} e jQuery event object
* @param {object} oSettings DataTables settings object
* @param {boolean} bShow Flag for if DataTables is doing processing or not
*/
/**
* Ajax (XHR) event, fired whenever an Ajax request is completed from a request to
* made to the server for new data (note that this trigger is called in fnServerData,
* if you override fnServerData and which to use this event, you need to trigger it in
* you success function).
* @name DataTable#xhr
* @event
* @param {event} e jQuery event object
* @param {object} o DataTables settings object {@link DataTable.models.oSettings}
*/
}(jQuery, window, document, undefined));
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