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sonarr-repo-only/NzbDrone.Web/Scripts/DataTables-1.9.0/media/js/FixedHeader.js

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/*
* File: FixedHeader.js
* Version: 2.0.6
* Description: "Fix" a header at the top of the table, so it scrolls with the table
* Author: Allan Jardine (www.sprymedia.co.uk)
* Created: Wed 16 Sep 2009 19:46:30 BST
* Language: Javascript
* License: GPL v2 or BSD 3 point style
* Project: Just a little bit of fun - enjoy :-)
* Contact: www.sprymedia.co.uk/contact
*
* Copyright 2009-2012 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
*/
/*
* Function: FixedHeader
* Purpose: Provide 'fixed' header, footer and columns on an HTML table
* Returns: object:FixedHeader - must be called with 'new'
* Inputs: mixed:mTable - target table
* 1. DataTable object - when using FixedHeader with DataTables, or
* 2. HTML table node - when using FixedHeader without DataTables
* object:oInit - initialisation settings, with the following properties (each optional)
* bool:top - fix the header (default true)
* bool:bottom - fix the footer (default false)
* bool:left - fix the left most column (default false)
* bool:right - fix the right most column (default false)
* int:zTop - fixed header zIndex
* int:zBottom - fixed footer zIndex
* int:zLeft - fixed left zIndex
* int:zRight - fixed right zIndex
*/
var FixedHeader = function ( mTable, oInit ) {
/* Sanity check - you just know it will happen */
if ( typeof this.fnInit != 'function' )
{
alert( "FixedHeader warning: FixedHeader must be initialised with the 'new' keyword." );
return;
}
var that = this;
var oSettings = {
"aoCache": [],
"oSides": {
"top": true,
"bottom": false,
"left": false,
"right": false
},
"oZIndexes": {
"top": 104,
"bottom": 103,
"left": 102,
"right": 101
},
"oMes": {
"iTableWidth": 0,
"iTableHeight": 0,
"iTableLeft": 0,
"iTableRight": 0, /* note this is left+width, not actually "right" */
"iTableTop": 0,
"iTableBottom": 0 /* note this is top+height, not actually "bottom" */
},
"oOffset": {
"top": 0
},
"nTable": null,
"bUseAbsPos": false,
"bFooter": false
};
/*
* Function: fnGetSettings
* Purpose: Get the settings for this object
* Returns: object: - settings object
* Inputs: -
*/
this.fnGetSettings = function () {
return oSettings;
};
/*
* Function: fnUpdate
* Purpose: Update the positioning and copies of the fixed elements
* Returns: -
* Inputs: -
*/
this.fnUpdate = function () {
this._fnUpdateClones();
this._fnUpdatePositions();
};
/*
* Function: fnPosition
* Purpose: Update the positioning of the fixed elements
* Returns: -
* Inputs: -
*/
this.fnPosition = function () {
this._fnUpdatePositions();
};
/* Let's do it */
this.fnInit( mTable, oInit );
/* Store the instance on the DataTables object for easy access */
if ( typeof mTable.fnSettings == 'function' )
{
mTable._oPluginFixedHeader = this;
}
};
/*
* Variable: FixedHeader
* Purpose: Prototype for FixedHeader
* Scope: global
*/
FixedHeader.prototype = {
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Initialisation
*/
/*
* Function: fnInit
* Purpose: The "constructor"
* Returns: -
* Inputs: {as FixedHeader function}
*/
fnInit: function ( oTable, oInit )
{
var s = this.fnGetSettings();
var that = this;
/* Record the user definable settings */
this.fnInitSettings( s, oInit );
/* DataTables specific stuff */
if ( typeof oTable.fnSettings == 'function' )
{
if ( typeof oTable.fnVersionCheck == 'functon' &&
oTable.fnVersionCheck( '1.6.0' ) !== true )
{
alert( "FixedHeader 2 required DataTables 1.6.0 or later. "+
"Please upgrade your DataTables installation" );
return;
}
var oDtSettings = oTable.fnSettings();
if ( oDtSettings.oScroll.sX != "" || oDtSettings.oScroll.sY != "" )
{
alert( "FixedHeader 2 is not supported with DataTables' scrolling mode at this time" );
return;
}
s.nTable = oDtSettings.nTable;
oDtSettings.aoDrawCallback.push( {
"fn": function () {
FixedHeader.fnMeasure();
that._fnUpdateClones.call(that);
that._fnUpdatePositions.call(that);
},
"sName": "FixedHeader"
} );
}
else
{
s.nTable = oTable;
}
s.bFooter = ($('>tfoot', s.nTable).length > 0) ? true : false;
/* "Detect" browsers that don't support absolute positioing - or have bugs */
s.bUseAbsPos = (jQuery.browser.msie && (jQuery.browser.version=="6.0"||jQuery.browser.version=="7.0"));
/* Add the 'sides' that are fixed */
if ( s.oSides.top )
{
s.aoCache.push( that._fnCloneTable( "fixedHeader", "FixedHeader_Header", that._fnCloneThead ) );
}
if ( s.oSides.bottom )
{
s.aoCache.push( that._fnCloneTable( "fixedFooter", "FixedHeader_Footer", that._fnCloneTfoot ) );
}
if ( s.oSides.left )
{
s.aoCache.push( that._fnCloneTable( "fixedLeft", "FixedHeader_Left", that._fnCloneTLeft ) );
}
if ( s.oSides.right )
{
s.aoCache.push( that._fnCloneTable( "fixedRight", "FixedHeader_Right", that._fnCloneTRight ) );
}
/* Event listeners for window movement */
FixedHeader.afnScroll.push( function () {
that._fnUpdatePositions.call(that);
} );
jQuery(window).resize( function () {
FixedHeader.fnMeasure();
that._fnUpdateClones.call(that);
that._fnUpdatePositions.call(that);
} );
/* Get things right to start with */
FixedHeader.fnMeasure();
that._fnUpdateClones();
that._fnUpdatePositions();
},
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Support functions
*/
/*
* Function: fnInitSettings
* Purpose: Take the user's settings and copy them to our local store
* Returns: -
* Inputs: object:s - the local settings object
* object:oInit - the user's settings object
*/
fnInitSettings: function ( s, oInit )
{
if ( typeof oInit != 'undefined' )
{
if ( typeof oInit.top != 'undefined' ) {
s.oSides.top = oInit.top;
}
if ( typeof oInit.bottom != 'undefined' ) {
s.oSides.bottom = oInit.bottom;
}
if ( typeof oInit.left != 'undefined' ) {
s.oSides.left = oInit.left;
}
if ( typeof oInit.right != 'undefined' ) {
s.oSides.right = oInit.right;
}
if ( typeof oInit.zTop != 'undefined' ) {
s.oZIndexes.top = oInit.zTop;
}
if ( typeof oInit.zBottom != 'undefined' ) {
s.oZIndexes.bottom = oInit.zBottom;
}
if ( typeof oInit.zLeft != 'undefined' ) {
s.oZIndexes.left = oInit.zLeft;
}
if ( typeof oInit.zRight != 'undefined' ) {
s.oZIndexes.right = oInit.zRight;
}
if ( typeof oInit.offsetTop != 'undefined' ) {
s.oOffset.top = oInit.offsetTop;
}
}
/* Detect browsers which have poor position:fixed support so we can use absolute positions.
* This is much slower since the position must be updated for each scroll, but widens
* compatibility
*/
s.bUseAbsPos = (jQuery.browser.msie &&
(jQuery.browser.version=="6.0"||jQuery.browser.version=="7.0"));
},
/*
* Function: _fnCloneTable
* Purpose: Clone the table node and do basic initialisation
* Returns: -
* Inputs: -
*/
_fnCloneTable: function ( sType, sClass, fnClone )
{
var s = this.fnGetSettings();
var nCTable;
/* We know that the table _MUST_ has a DIV wrapped around it, because this is simply how
* DataTables works. Therefore, we can set this to be relatively position (if it is not
* alreadu absolute, and use this as the base point for the cloned header
*/
if ( jQuery(s.nTable.parentNode).css('position') != "absolute" )
{
s.nTable.parentNode.style.position = "relative";
}
/* Just a shallow clone will do - we only want the table node */
nCTable = s.nTable.cloneNode( false );
nCTable.removeAttribute( 'id' );
var nDiv = document.createElement( 'div' );
nDiv.style.position = "absolute";
nDiv.style.top = "0px";
nDiv.style.left = "0px";
nDiv.className += " FixedHeader_Cloned "+sType+" "+sClass;
/* Set the zIndexes */
if ( sType == "fixedHeader" )
{
nDiv.style.zIndex = s.oZIndexes.top;
}
if ( sType == "fixedFooter" )
{
nDiv.style.zIndex = s.oZIndexes.bottom;
}
if ( sType == "fixedLeft" )
{
nDiv.style.zIndex = s.oZIndexes.left;
}
else if ( sType == "fixedRight" )
{
nDiv.style.zIndex = s.oZIndexes.right;
}
/* remove margins since we are going to poistion it absolutely */
nCTable.style.margin = "0";
/* Insert the newly cloned table into the DOM, on top of the "real" header */
nDiv.appendChild( nCTable );
document.body.appendChild( nDiv );
return {
"nNode": nCTable,
"nWrapper": nDiv,
"sType": sType,
"sPosition": "",
"sTop": "",
"sLeft": "",
"fnClone": fnClone
};
},
/*
* Function: _fnUpdatePositions
* Purpose: Get the current positioning of the table in the DOM
* Returns: -
* Inputs: -
*/
_fnMeasure: function ()
{
var
s = this.fnGetSettings(),
m = s.oMes,
jqTable = jQuery(s.nTable),
oOffset = jqTable.offset(),
iParentScrollTop = this._fnSumScroll( s.nTable.parentNode, 'scrollTop' ),
iParentScrollLeft = this._fnSumScroll( s.nTable.parentNode, 'scrollLeft' );
m.iTableWidth = jqTable.outerWidth();
m.iTableHeight = jqTable.outerHeight();
m.iTableLeft = oOffset.left + s.nTable.parentNode.scrollLeft;
m.iTableTop = oOffset.top + iParentScrollTop;
m.iTableRight = m.iTableLeft + m.iTableWidth;
m.iTableRight = FixedHeader.oDoc.iWidth - m.iTableLeft - m.iTableWidth;
m.iTableBottom = FixedHeader.oDoc.iHeight - m.iTableTop - m.iTableHeight;
},
/*
* Function: _fnSumScroll
* Purpose: Sum node parameters all the way to the top
* Returns: int: sum
* Inputs: node:n - node to consider
* string:side - scrollTop or scrollLeft
*/
_fnSumScroll: function ( n, side )
{
var i = n[side];
while ( n = n.parentNode )
{
if ( n.nodeName == 'HTML' || n.nodeName == 'BODY' )
{
break;
}
i = n[side];
}
return i;
},
/*
* Function: _fnUpdatePositions
* Purpose: Loop over the fixed elements for this table and update their positions
* Returns: -
* Inputs: -
*/
_fnUpdatePositions: function ()
{
var s = this.fnGetSettings();
this._fnMeasure();
for ( var i=0, iLen=s.aoCache.length ; i<iLen ; i++ )
{
if ( s.aoCache[i].sType == "fixedHeader" )
{
this._fnScrollFixedHeader( s.aoCache[i] );
}
else if ( s.aoCache[i].sType == "fixedFooter" )
{
this._fnScrollFixedFooter( s.aoCache[i] );
}
else if ( s.aoCache[i].sType == "fixedLeft" )
{
this._fnScrollHorizontalLeft( s.aoCache[i] );
}
else
{
this._fnScrollHorizontalRight( s.aoCache[i] );
}
}
},
/*
* Function: _fnUpdateClones
* Purpose: Loop over the fixed elements for this table and call their cloning functions
* Returns: -
* Inputs: -
*/
_fnUpdateClones: function ()
{
var s = this.fnGetSettings();
for ( var i=0, iLen=s.aoCache.length ; i<iLen ; i++ )
{
s.aoCache[i].fnClone.call( this, s.aoCache[i] );
}
},
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Scrolling functions
*/
/*
* Function: _fnScrollHorizontalLeft
* Purpose: Update the positioning of the scrolling elements
* Returns: -
* Inputs: object:oCache - the cahced values for this fixed element
*/
_fnScrollHorizontalRight: function ( oCache )
{
var
s = this.fnGetSettings(),
oMes = s.oMes,
oWin = FixedHeader.oWin,
oDoc = FixedHeader.oDoc,
nTable = oCache.nWrapper,
iFixedWidth = jQuery(nTable).outerWidth();
if ( oWin.iScrollRight < oMes.iTableRight )
{
/* Fully right aligned */
this._fnUpdateCache( oCache, 'sPosition', 'absolute', 'position', nTable.style );
this._fnUpdateCache( oCache, 'sTop', oMes.iTableTop+"px", 'top', nTable.style );
this._fnUpdateCache( oCache, 'sLeft', (oMes.iTableLeft+oMes.iTableWidth-iFixedWidth)+"px", 'left', nTable.style );
}
else if ( oMes.iTableLeft < oDoc.iWidth-oWin.iScrollRight-iFixedWidth )
{
/* Middle */
if ( s.bUseAbsPos )
{
this._fnUpdateCache( oCache, 'sPosition', 'absolute', 'position', nTable.style );
this._fnUpdateCache( oCache, 'sTop', oMes.iTableTop+"px", 'top', nTable.style );
this._fnUpdateCache( oCache, 'sLeft', (oDoc.iWidth-oWin.iScrollRight-iFixedWidth)+"px", 'left', nTable.style );
}
else
{
this._fnUpdateCache( oCache, 'sPosition', 'fixed', 'position', nTable.style );
this._fnUpdateCache( oCache, 'sTop', (oMes.iTableTop-oWin.iScrollTop)+"px", 'top', nTable.style );
this._fnUpdateCache( oCache, 'sLeft', (oWin.iWidth-iFixedWidth)+"px", 'left', nTable.style );
}
}
else
{
/* Fully left aligned */
this._fnUpdateCache( oCache, 'sPosition', 'absolute', 'position', nTable.style );
this._fnUpdateCache( oCache, 'sTop', oMes.iTableTop+"px", 'top', nTable.style );
this._fnUpdateCache( oCache, 'sLeft', oMes.iTableLeft+"px", 'left', nTable.style );
}
},
/*
* Function: _fnScrollHorizontalLeft
* Purpose: Update the positioning of the scrolling elements
* Returns: -
* Inputs: object:oCache - the cahced values for this fixed element
*/
_fnScrollHorizontalLeft: function ( oCache )
{
var
s = this.fnGetSettings(),
oMes = s.oMes,
oWin = FixedHeader.oWin,
oDoc = FixedHeader.oDoc,
nTable = oCache.nWrapper,
iCellWidth = jQuery(nTable).outerWidth();
if ( oWin.iScrollLeft < oMes.iTableLeft )
{
/* Fully left align */
this._fnUpdateCache( oCache, 'sPosition', 'absolute', 'position', nTable.style );
this._fnUpdateCache( oCache, 'sTop', oMes.iTableTop+"px", 'top', nTable.style );
this._fnUpdateCache( oCache, 'sLeft', oMes.iTableLeft+"px", 'left', nTable.style );
}
else if ( oWin.iScrollLeft < oMes.iTableLeft+oMes.iTableWidth-iCellWidth )
{
/* Middle */
if ( s.bUseAbsPos )
{
this._fnUpdateCache( oCache, 'sPosition', 'absolute', 'position', nTable.style );
this._fnUpdateCache( oCache, 'sTop', oMes.iTableTop+"px", 'top', nTable.style );
this._fnUpdateCache( oCache, 'sLeft', oWin.iScrollLeft+"px", 'left', nTable.style );
}
else
{
this._fnUpdateCache( oCache, 'sPosition', 'fixed', 'position', nTable.style );
this._fnUpdateCache( oCache, 'sTop', (oMes.iTableTop-oWin.iScrollTop)+"px", 'top', nTable.style );
this._fnUpdateCache( oCache, 'sLeft', "0px", 'left', nTable.style );
}
}
else
{
/* Fully right align */
this._fnUpdateCache( oCache, 'sPosition', 'absolute', 'position', nTable.style );
this._fnUpdateCache( oCache, 'sTop', oMes.iTableTop+"px", 'top', nTable.style );
this._fnUpdateCache( oCache, 'sLeft', (oMes.iTableLeft+oMes.iTableWidth-iCellWidth)+"px", 'left', nTable.style );
}
},
/*
* Function: _fnScrollFixedFooter
* Purpose: Update the positioning of the scrolling elements
* Returns: -
* Inputs: object:oCache - the cahced values for this fixed element
*/
_fnScrollFixedFooter: function ( oCache )
{
var
s = this.fnGetSettings(),
oMes = s.oMes,
oWin = FixedHeader.oWin,
oDoc = FixedHeader.oDoc,
nTable = oCache.nWrapper,
iTheadHeight = jQuery("thead", s.nTable).outerHeight(),
iCellHeight = jQuery(nTable).outerHeight();
if ( oWin.iScrollBottom < oMes.iTableBottom )
{
/* Below */
this._fnUpdateCache( oCache, 'sPosition', 'absolute', 'position', nTable.style );
this._fnUpdateCache( oCache, 'sTop', (oMes.iTableTop+oMes.iTableHeight-iCellHeight)+"px", 'top', nTable.style );
this._fnUpdateCache( oCache, 'sLeft', oMes.iTableLeft+"px", 'left', nTable.style );
}
else if ( oWin.iScrollBottom < oMes.iTableBottom+oMes.iTableHeight-iCellHeight-iTheadHeight )
{
/* Middle */
if ( s.bUseAbsPos )
{
this._fnUpdateCache( oCache, 'sPosition', "absolute", 'position', nTable.style );
this._fnUpdateCache( oCache, 'sTop', (oDoc.iHeight-oWin.iScrollBottom-iCellHeight)+"px", 'top', nTable.style );
this._fnUpdateCache( oCache, 'sLeft', oMes.iTableLeft+"px", 'left', nTable.style );
}
else
{
this._fnUpdateCache( oCache, 'sPosition', 'fixed', 'position', nTable.style );
this._fnUpdateCache( oCache, 'sTop', (oWin.iHeight-iCellHeight)+"px", 'top', nTable.style );
this._fnUpdateCache( oCache, 'sLeft', (oMes.iTableLeft-oWin.iScrollLeft)+"px", 'left', nTable.style );
}
}
else
{
/* Above */
this._fnUpdateCache( oCache, 'sPosition', 'absolute', 'position', nTable.style );
this._fnUpdateCache( oCache, 'sTop', (oMes.iTableTop+iCellHeight)+"px", 'top', nTable.style );
this._fnUpdateCache( oCache, 'sLeft', oMes.iTableLeft+"px", 'left', nTable.style );
}
},
/*
* Function: _fnScrollFixedHeader
* Purpose: Update the positioning of the scrolling elements
* Returns: -
* Inputs: object:oCache - the cahced values for this fixed element
*/
_fnScrollFixedHeader: function ( oCache )
{
var
s = this.fnGetSettings(),
oMes = s.oMes,
oWin = FixedHeader.oWin,
oDoc = FixedHeader.oDoc,
nTable = oCache.nWrapper,
iTbodyHeight = 0,
anTbodies = s.nTable.getElementsByTagName('tbody');
for (var i = 0; i < anTbodies.length; ++i) {
iTbodyHeight += anTbodies[i].offsetHeight;
}
if ( oMes.iTableTop > oWin.iScrollTop + s.oOffset.top )
{
/* Above the table */
this._fnUpdateCache( oCache, 'sPosition', "absolute", 'position', nTable.style );
this._fnUpdateCache( oCache, 'sTop', oMes.iTableTop+"px", 'top', nTable.style );
this._fnUpdateCache( oCache, 'sLeft', oMes.iTableLeft+"px", 'left', nTable.style );
}
else if ( oWin.iScrollTop + s.oOffset.top > oMes.iTableTop+iTbodyHeight )
{
/* At the bottom of the table */
this._fnUpdateCache( oCache, 'sPosition', "absolute", 'position', nTable.style );
this._fnUpdateCache( oCache, 'sTop', (oMes.iTableTop+iTbodyHeight)+"px", 'top', nTable.style );
this._fnUpdateCache( oCache, 'sLeft', oMes.iTableLeft+"px", 'left', nTable.style );
}
else
{
/* In the middle of the table */
if ( s.bUseAbsPos )
{
this._fnUpdateCache( oCache, 'sPosition', "absolute", 'position', nTable.style );
this._fnUpdateCache( oCache, 'sTop', oWin.iScrollTop+"px", 'top', nTable.style );
this._fnUpdateCache( oCache, 'sLeft', oMes.iTableLeft+"px", 'left', nTable.style );
}
else
{
this._fnUpdateCache( oCache, 'sPosition', 'fixed', 'position', nTable.style );
this._fnUpdateCache( oCache, 'sTop', s.oOffset.top+"px", 'top', nTable.style );
this._fnUpdateCache( oCache, 'sLeft', (oMes.iTableLeft-oWin.iScrollLeft)+"px", 'left', nTable.style );
}
}
},
/*
* Function: _fnUpdateCache
* Purpose: Check the cache and update cache and value if needed
* Returns: -
* Inputs: object:oCache - local cache object
* string:sCache - cache property
* string:sSet - value to set
* string:sProperty - object property to set
* object:oObj - object to update
*/
_fnUpdateCache: function ( oCache, sCache, sSet, sProperty, oObj )
{
if ( oCache[sCache] != sSet )
{
oObj[sProperty] = sSet;
oCache[sCache] = sSet;
}
},
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Cloning functions
*/
/*
* Function: _fnCloneThead
* Purpose: Clone the thead element
* Returns: -
* Inputs: object:oCache - the cahced values for this fixed element
*/
_fnCloneThead: function ( oCache )
{
var s = this.fnGetSettings();
var nTable = oCache.nNode;
/* Set the wrapper width to match that of the cloned table */
oCache.nWrapper.style.width = jQuery(s.nTable).outerWidth()+"px";
/* Remove any children the cloned table has */
while ( nTable.childNodes.length > 0 )
{
jQuery('thead th', nTable).unbind( 'click' );
nTable.removeChild( nTable.childNodes[0] );
}
/* Clone the DataTables header */
var nThead = jQuery('thead', s.nTable).clone(true)[0];
nTable.appendChild( nThead );
/* Copy the widths across - apparently a clone isn't good enough for this */
jQuery("thead>tr th", s.nTable).each( function (i) {
jQuery("thead>tr th:eq("+i+")", nTable).width( jQuery(this).width() );
} );
jQuery("thead>tr td", s.nTable).each( function (i) {
jQuery("thead>tr td:eq("+i+")", nTable).width( jQuery(this).width() );
} );
},
/*
* Function: _fnCloneTfoot
* Purpose: Clone the tfoot element
* Returns: -
* Inputs: object:oCache - the cahced values for this fixed element
*/
_fnCloneTfoot: function ( oCache )
{
var s = this.fnGetSettings();
var nTable = oCache.nNode;
/* Set the wrapper width to match that of the cloned table */
oCache.nWrapper.style.width = jQuery(s.nTable).outerWidth()+"px";
/* Remove any children the cloned table has */
while ( nTable.childNodes.length > 0 )
{
nTable.removeChild( nTable.childNodes[0] );
}
/* Clone the DataTables footer */
var nTfoot = jQuery('tfoot', s.nTable).clone(true)[0];
nTable.appendChild( nTfoot );
/* Copy the widths across - apparently a clone isn't good enough for this */
jQuery("tfoot:eq(0)>tr th", s.nTable).each( function (i) {
jQuery("tfoot:eq(0)>tr th:eq("+i+")", nTable).width( jQuery(this).width() );
} );
jQuery("tfoot:eq(0)>tr td", s.nTable).each( function (i) {
jQuery("tfoot:eq(0)>tr th:eq("+i+")", nTable)[0].style.width( jQuery(this).width() );
} );
},
/*
* Function: _fnCloneTLeft
* Purpose: Clone the left column
* Returns: -
* Inputs: object:oCache - the cached values for this fixed element
*/
_fnCloneTLeft: function ( oCache )
{
var s = this.fnGetSettings();
var nTable = oCache.nNode;
var nBody = $('tbody', s.nTable)[0];
var iCols = $('tbody tr:eq(0) td', s.nTable).length;
var bRubbishOldIE = ($.browser.msie && ($.browser.version == "6.0" || $.browser.version == "7.0"));
/* Remove any children the cloned table has */
while ( nTable.childNodes.length > 0 )
{
nTable.removeChild( nTable.childNodes[0] );
}
/* Is this the most efficient way to do this - it looks horrible... */
nTable.appendChild( jQuery("thead", s.nTable).clone(true)[0] );
nTable.appendChild( jQuery("tbody", s.nTable).clone(true)[0] );
if ( s.bFooter )
{
nTable.appendChild( jQuery("tfoot", s.nTable).clone(true)[0] );
}
/* Remove unneeded cells */
$('thead tr', nTable).each( function (k) {
$('th:gt(0)', this).remove();
} );
$('tfoot tr', nTable).each( function (k) {
$('th:gt(0)', this).remove();
} );
$('tbody tr', nTable).each( function (k) {
$('td:gt(0)', this).remove();
} );
this.fnEqualiseHeights( 'tbody', nBody.parentNode, nTable );
var iWidth = jQuery('thead tr th:eq(0)', s.nTable).outerWidth();
nTable.style.width = iWidth+"px";
oCache.nWrapper.style.width = iWidth+"px";
},
/*
* Function: _fnCloneTRight
* Purpose: Clone the right most colun
* Returns: -
* Inputs: object:oCache - the cahced values for this fixed element
*/
_fnCloneTRight: function ( oCache )
{
var s = this.fnGetSettings();
var nBody = $('tbody', s.nTable)[0];
var nTable = oCache.nNode;
var iCols = jQuery('tbody tr:eq(0) td', s.nTable).length;
var bRubbishOldIE = ($.browser.msie && ($.browser.version == "6.0" || $.browser.version == "7.0"));
/* Remove any children the cloned table has */
while ( nTable.childNodes.length > 0 )
{
nTable.removeChild( nTable.childNodes[0] );
}
/* Is this the most efficient way to do this - it looks horrible... */
nTable.appendChild( jQuery("thead", s.nTable).clone(true)[0] );
nTable.appendChild( jQuery("tbody", s.nTable).clone(true)[0] );
if ( s.bFooter )
{
nTable.appendChild( jQuery("tfoot", s.nTable).clone(true)[0] );
}
jQuery('thead tr th:not(:nth-child('+iCols+'n))', nTable).remove();
jQuery('tfoot tr th:not(:nth-child('+iCols+'n))', nTable).remove();
/* Remove unneeded cells */
$('tbody tr', nTable).each( function (k) {
$('td:lt('+(iCols-1)+')', this).remove();
} );
this.fnEqualiseHeights( 'tbody', nBody.parentNode, nTable );
var iWidth = jQuery('thead tr th:eq('+(iCols-1)+')', s.nTable).outerWidth();
nTable.style.width = iWidth+"px";
oCache.nWrapper.style.width = iWidth+"px";
},
/**
* Equalise the heights of the rows in a given table node in a cross browser way. Note that this
* is more or less lifted as is from FixedColumns
* @method fnEqualiseHeights
* @returns void
* @param {string} parent Node type - thead, tbody or tfoot
* @param {element} original Original node to take the heights from
* @param {element} clone Copy the heights to
* @private
*/
"fnEqualiseHeights": function ( parent, original, clone )
{
var that = this,
jqBoxHack = $(parent+' tr:eq(0)', original).children(':eq(0)'),
iBoxHack = jqBoxHack.outerHeight() - jqBoxHack.height(),
bRubbishOldIE = ($.browser.msie && ($.browser.version == "6.0" || $.browser.version == "7.0"));
/* Remove cells which are not needed and copy the height from the original table */
$(parent+' tr', clone).each( function (k) {
/* Can we use some kind of object detection here?! This is very nasty - damn browsers */
if ( $.browser.mozilla || $.browser.opera )
{
$(this).children().height( $(parent+' tr:eq('+k+')', original).outerHeight() );
}
else
{
$(this).children().height( $(parent+' tr:eq('+k+')', original).outerHeight() - iBoxHack );
}
if ( !bRubbishOldIE )
{
$(parent+' tr:eq('+k+')', original).height( $(parent+' tr:eq('+k+')', original).outerHeight() );
}
} );
}
};
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Static properties and methods
* We use these for speed! This information is common to all instances of FixedHeader, so no
* point if having them calculated and stored for each different instance.
*/
/*
* Variable: oWin
* Purpose: Store information about the window positioning
* Scope: FixedHeader
*/
FixedHeader.oWin = {
"iScrollTop": 0,
"iScrollRight": 0,
"iScrollBottom": 0,
"iScrollLeft": 0,
"iHeight": 0,
"iWidth": 0
};
/*
* Variable: oDoc
* Purpose: Store information about the document size
* Scope: FixedHeader
*/
FixedHeader.oDoc = {
"iHeight": 0,
"iWidth": 0
};
/*
* Variable: afnScroll
* Purpose: Array of functions that are to be used for the scrolling components
* Scope: FixedHeader
*/
FixedHeader.afnScroll = [];
/*
* Function: fnMeasure
* Purpose: Update the measurements for the window and document
* Returns: -
* Inputs: -
*/
FixedHeader.fnMeasure = function ()
{
var
jqWin = jQuery(window),
jqDoc = jQuery(document),
oWin = FixedHeader.oWin,
oDoc = FixedHeader.oDoc;
oDoc.iHeight = jqDoc.height();
oDoc.iWidth = jqDoc.width();
oWin.iHeight = jqWin.height();
oWin.iWidth = jqWin.width();
oWin.iScrollTop = jqWin.scrollTop();
oWin.iScrollLeft = jqWin.scrollLeft();
oWin.iScrollRight = oDoc.iWidth - oWin.iScrollLeft - oWin.iWidth;
oWin.iScrollBottom = oDoc.iHeight - oWin.iScrollTop - oWin.iHeight;
};
FixedHeader.VERSION = "2.0.6";
FixedHeader.prototype.VERSION = FixedHeader.VERSION;
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Global processing
*/
/*
* Just one 'scroll' event handler in FixedHeader, which calls the required components. This is
* done as an optimisation, to reduce calculation and proagation time
*/
jQuery(window).scroll( function () {
FixedHeader.fnMeasure();
for ( var i=0, iLen=FixedHeader.afnScroll.length ; i<iLen ; i++ )
{
FixedHeader.afnScroll[i]();
}
} );
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