41 lines
13 KiB
JavaScript
41 lines
13 KiB
JavaScript
/*
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* File: FixedHeader.min.js
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* Version: 2.0.6
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* Author: Allan Jardine (www.sprymedia.co.uk)
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*
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* Copyright 2009-2011 Allan Jardine, all rights reserved.
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*
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* This source file is free software, under either the GPL v2 license or a
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* BSD (3 point) style license, as supplied with this software.
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*
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* This source file is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the license files for details.
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*/
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var FixedHeader=function(a,c){if("function"!=typeof this.fnInit)alert("FixedHeader warning: FixedHeader must be initialised with the 'new' keyword.");else{var b={aoCache:[],oSides:{top:!0,bottom:!1,left:!1,right:!1},oZIndexes:{top:104,bottom:103,left:102,right:101},oMes:{iTableWidth:0,iTableHeight:0,iTableLeft:0,iTableRight:0,iTableTop:0,iTableBottom:0},oOffset:{top:0},nTable:null,bUseAbsPos:!1,bFooter:!1};this.fnGetSettings=function(){return b};this.fnUpdate=function(){this._fnUpdateClones();this._fnUpdatePositions()};
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this.fnPosition=function(){this._fnUpdatePositions()};this.fnInit(a,c);"function"==typeof a.fnSettings&&(a._oPluginFixedHeader=this)}};
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FixedHeader.prototype={fnInit:function(a,c){var b=this.fnGetSettings(),d=this;this.fnInitSettings(b,c);if("function"==typeof a.fnSettings){if("functon"==typeof a.fnVersionCheck&&!0!==a.fnVersionCheck("1.6.0")){alert("FixedHeader 2 required DataTables 1.6.0 or later. Please upgrade your DataTables installation");return}var e=a.fnSettings();if(""!=e.oScroll.sX||""!=e.oScroll.sY){alert("FixedHeader 2 is not supported with DataTables' scrolling mode at this time");return}b.nTable=e.nTable;e.aoDrawCallback.push({fn:function(){FixedHeader.fnMeasure();
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d._fnUpdateClones.call(d);d._fnUpdatePositions.call(d)},sName:"FixedHeader"})}else b.nTable=a;b.bFooter=0<$(">tfoot",b.nTable).length?!0:!1;b.bUseAbsPos=jQuery.browser.msie&&("6.0"==jQuery.browser.version||"7.0"==jQuery.browser.version);b.oSides.top&&b.aoCache.push(d._fnCloneTable("fixedHeader","FixedHeader_Header",d._fnCloneThead));b.oSides.bottom&&b.aoCache.push(d._fnCloneTable("fixedFooter","FixedHeader_Footer",d._fnCloneTfoot));b.oSides.left&&b.aoCache.push(d._fnCloneTable("fixedLeft","FixedHeader_Left",
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d._fnCloneTLeft));b.oSides.right&&b.aoCache.push(d._fnCloneTable("fixedRight","FixedHeader_Right",d._fnCloneTRight));FixedHeader.afnScroll.push(function(){d._fnUpdatePositions.call(d)});jQuery(window).resize(function(){FixedHeader.fnMeasure();d._fnUpdateClones.call(d);d._fnUpdatePositions.call(d)});FixedHeader.fnMeasure();d._fnUpdateClones();d._fnUpdatePositions()},fnInitSettings:function(a,c){if("undefined"!=typeof c&&("undefined"!=typeof c.top&&(a.oSides.top=c.top),"undefined"!=typeof c.bottom&&
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(a.oSides.bottom=c.bottom),"undefined"!=typeof c.left&&(a.oSides.left=c.left),"undefined"!=typeof c.right&&(a.oSides.right=c.right),"undefined"!=typeof c.zTop&&(a.oZIndexes.top=c.zTop),"undefined"!=typeof c.zBottom&&(a.oZIndexes.bottom=c.zBottom),"undefined"!=typeof c.zLeft&&(a.oZIndexes.left=c.zLeft),"undefined"!=typeof c.zRight&&(a.oZIndexes.right=c.zRight),"undefined"!=typeof c.offsetTop))a.oOffset.top=c.offsetTop;a.bUseAbsPos=jQuery.browser.msie&&("6.0"==jQuery.browser.version||"7.0"==jQuery.browser.version)},
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_fnCloneTable:function(a,c,b){var d=this.fnGetSettings(),e;"absolute"!=jQuery(d.nTable.parentNode).css("position")&&(d.nTable.parentNode.style.position="relative");e=d.nTable.cloneNode(!1);e.removeAttribute("id");var f=document.createElement("div");f.style.position="absolute";f.style.top="0px";f.style.left="0px";f.className+=" FixedHeader_Cloned "+a+" "+c;"fixedHeader"==a&&(f.style.zIndex=d.oZIndexes.top);"fixedFooter"==a&&(f.style.zIndex=d.oZIndexes.bottom);"fixedLeft"==a?f.style.zIndex=d.oZIndexes.left:
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"fixedRight"==a&&(f.style.zIndex=d.oZIndexes.right);e.style.margin="0";f.appendChild(e);document.body.appendChild(f);return{nNode:e,nWrapper:f,sType:a,sPosition:"",sTop:"",sLeft:"",fnClone:b}},_fnMeasure:function(){var a=this.fnGetSettings(),c=a.oMes,b=jQuery(a.nTable),d=b.offset(),e=this._fnSumScroll(a.nTable.parentNode,"scrollTop");this._fnSumScroll(a.nTable.parentNode,"scrollLeft");c.iTableWidth=b.outerWidth();c.iTableHeight=b.outerHeight();c.iTableLeft=d.left+a.nTable.parentNode.scrollLeft;c.iTableTop=
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d.top+e;c.iTableRight=c.iTableLeft+c.iTableWidth;c.iTableRight=FixedHeader.oDoc.iWidth-c.iTableLeft-c.iTableWidth;c.iTableBottom=FixedHeader.oDoc.iHeight-c.iTableTop-c.iTableHeight},_fnSumScroll:function(a,c){for(var b=a[c];(a=a.parentNode)&&!("HTML"==a.nodeName||"BODY"==a.nodeName);)b=a[c];return b},_fnUpdatePositions:function(){var a=this.fnGetSettings();this._fnMeasure();for(var c=0,b=a.aoCache.length;c<b;c++)"fixedHeader"==a.aoCache[c].sType?this._fnScrollFixedHeader(a.aoCache[c]):"fixedFooter"==
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a.aoCache[c].sType?this._fnScrollFixedFooter(a.aoCache[c]):"fixedLeft"==a.aoCache[c].sType?this._fnScrollHorizontalLeft(a.aoCache[c]):this._fnScrollHorizontalRight(a.aoCache[c])},_fnUpdateClones:function(){for(var a=this.fnGetSettings(),c=0,b=a.aoCache.length;c<b;c++)a.aoCache[c].fnClone.call(this,a.aoCache[c])},_fnScrollHorizontalRight:function(a){var c=this.fnGetSettings(),b=c.oMes,d=FixedHeader.oWin,e=FixedHeader.oDoc,f=a.nWrapper,g=jQuery(f).outerWidth();d.iScrollRight<b.iTableRight?(this._fnUpdateCache(a,
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"sPosition","absolute","position",f.style),this._fnUpdateCache(a,"sTop",b.iTableTop+"px","top",f.style),this._fnUpdateCache(a,"sLeft",b.iTableLeft+b.iTableWidth-g+"px","left",f.style)):b.iTableLeft<e.iWidth-d.iScrollRight-g?c.bUseAbsPos?(this._fnUpdateCache(a,"sPosition","absolute","position",f.style),this._fnUpdateCache(a,"sTop",b.iTableTop+"px","top",f.style),this._fnUpdateCache(a,"sLeft",e.iWidth-d.iScrollRight-g+"px","left",f.style)):(this._fnUpdateCache(a,"sPosition","fixed","position",f.style),
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this._fnUpdateCache(a,"sTop",b.iTableTop-d.iScrollTop+"px","top",f.style),this._fnUpdateCache(a,"sLeft",d.iWidth-g+"px","left",f.style)):(this._fnUpdateCache(a,"sPosition","absolute","position",f.style),this._fnUpdateCache(a,"sTop",b.iTableTop+"px","top",f.style),this._fnUpdateCache(a,"sLeft",b.iTableLeft+"px","left",f.style))},_fnScrollHorizontalLeft:function(a){var c=this.fnGetSettings(),b=c.oMes,d=FixedHeader.oWin,e=a.nWrapper,f=jQuery(e).outerWidth();d.iScrollLeft<b.iTableLeft?(this._fnUpdateCache(a,
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"sPosition","absolute","position",e.style),this._fnUpdateCache(a,"sTop",b.iTableTop+"px","top",e.style),this._fnUpdateCache(a,"sLeft",b.iTableLeft+"px","left",e.style)):d.iScrollLeft<b.iTableLeft+b.iTableWidth-f?c.bUseAbsPos?(this._fnUpdateCache(a,"sPosition","absolute","position",e.style),this._fnUpdateCache(a,"sTop",b.iTableTop+"px","top",e.style),this._fnUpdateCache(a,"sLeft",d.iScrollLeft+"px","left",e.style)):(this._fnUpdateCache(a,"sPosition","fixed","position",e.style),this._fnUpdateCache(a,
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"sTop",b.iTableTop-d.iScrollTop+"px","top",e.style),this._fnUpdateCache(a,"sLeft","0px","left",e.style)):(this._fnUpdateCache(a,"sPosition","absolute","position",e.style),this._fnUpdateCache(a,"sTop",b.iTableTop+"px","top",e.style),this._fnUpdateCache(a,"sLeft",b.iTableLeft+b.iTableWidth-f+"px","left",e.style))},_fnScrollFixedFooter:function(a){var c=this.fnGetSettings(),b=c.oMes,d=FixedHeader.oWin,e=FixedHeader.oDoc,f=a.nWrapper,g=jQuery("thead",c.nTable).outerHeight(),h=jQuery(f).outerHeight();
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d.iScrollBottom<b.iTableBottom?(this._fnUpdateCache(a,"sPosition","absolute","position",f.style),this._fnUpdateCache(a,"sTop",b.iTableTop+b.iTableHeight-h+"px","top",f.style),this._fnUpdateCache(a,"sLeft",b.iTableLeft+"px","left",f.style)):d.iScrollBottom<b.iTableBottom+b.iTableHeight-h-g?c.bUseAbsPos?(this._fnUpdateCache(a,"sPosition","absolute","position",f.style),this._fnUpdateCache(a,"sTop",e.iHeight-d.iScrollBottom-h+"px","top",f.style),this._fnUpdateCache(a,"sLeft",b.iTableLeft+"px","left",
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f.style)):(this._fnUpdateCache(a,"sPosition","fixed","position",f.style),this._fnUpdateCache(a,"sTop",d.iHeight-h+"px","top",f.style),this._fnUpdateCache(a,"sLeft",b.iTableLeft-d.iScrollLeft+"px","left",f.style)):(this._fnUpdateCache(a,"sPosition","absolute","position",f.style),this._fnUpdateCache(a,"sTop",b.iTableTop+h+"px","top",f.style),this._fnUpdateCache(a,"sLeft",b.iTableLeft+"px","left",f.style))},_fnScrollFixedHeader:function(a){for(var c=this.fnGetSettings(),b=c.oMes,d=FixedHeader.oWin,e=
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a.nWrapper,f=0,g=c.nTable.getElementsByTagName("tbody"),h=0;h<g.length;++h)f+=g[h].offsetHeight;b.iTableTop>d.iScrollTop+c.oOffset.top?(this._fnUpdateCache(a,"sPosition","absolute","position",e.style),this._fnUpdateCache(a,"sTop",b.iTableTop+"px","top",e.style),this._fnUpdateCache(a,"sLeft",b.iTableLeft+"px","left",e.style)):d.iScrollTop+c.oOffset.top>b.iTableTop+f?(this._fnUpdateCache(a,"sPosition","absolute","position",e.style),this._fnUpdateCache(a,"sTop",b.iTableTop+f+"px","top",e.style),this._fnUpdateCache(a,
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"sLeft",b.iTableLeft+"px","left",e.style)):c.bUseAbsPos?(this._fnUpdateCache(a,"sPosition","absolute","position",e.style),this._fnUpdateCache(a,"sTop",d.iScrollTop+"px","top",e.style),this._fnUpdateCache(a,"sLeft",b.iTableLeft+"px","left",e.style)):(this._fnUpdateCache(a,"sPosition","fixed","position",e.style),this._fnUpdateCache(a,"sTop",c.oOffset.top+"px","top",e.style),this._fnUpdateCache(a,"sLeft",b.iTableLeft-d.iScrollLeft+"px","left",e.style))},_fnUpdateCache:function(a,c,b,d,e){a[c]!=b&&(e[d]=
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b,a[c]=b)},_fnCloneThead:function(a){var c=this.fnGetSettings(),b=a.nNode;for(a.nWrapper.style.width=jQuery(c.nTable).outerWidth()+"px";0<b.childNodes.length;)jQuery("thead th",b).unbind("click"),b.removeChild(b.childNodes[0]);a=jQuery("thead",c.nTable).clone(!0)[0];b.appendChild(a);jQuery("thead>tr th",c.nTable).each(function(a){jQuery("thead>tr th:eq("+a+")",b).width(jQuery(this).width())});jQuery("thead>tr td",c.nTable).each(function(a){jQuery("thead>tr td:eq("+a+")",b).width(jQuery(this).width())})},
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_fnCloneTfoot:function(a){var c=this.fnGetSettings(),b=a.nNode;for(a.nWrapper.style.width=jQuery(c.nTable).outerWidth()+"px";0<b.childNodes.length;)b.removeChild(b.childNodes[0]);a=jQuery("tfoot",c.nTable).clone(!0)[0];b.appendChild(a);jQuery("tfoot:eq(0)>tr th",c.nTable).each(function(a){jQuery("tfoot:eq(0)>tr th:eq("+a+")",b).width(jQuery(this).width())});jQuery("tfoot:eq(0)>tr td",c.nTable).each(function(a){jQuery("tfoot:eq(0)>tr th:eq("+a+")",b)[0].style.width(jQuery(this).width())})},_fnCloneTLeft:function(a){var c=
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this.fnGetSettings(),b=a.nNode,d=$("tbody",c.nTable)[0];for($("tbody tr:eq(0) td",c.nTable);0<b.childNodes.length;)b.removeChild(b.childNodes[0]);b.appendChild(jQuery("thead",c.nTable).clone(!0)[0]);b.appendChild(jQuery("tbody",c.nTable).clone(!0)[0]);c.bFooter&&b.appendChild(jQuery("tfoot",c.nTable).clone(!0)[0]);$("thead tr",b).each(function(){$("th:gt(0)",this).remove()});$("tfoot tr",b).each(function(){$("th:gt(0)",this).remove()});$("tbody tr",b).each(function(){$("td:gt(0)",this).remove()});
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this.fnEqualiseHeights("tbody",d.parentNode,b);c=jQuery("thead tr th:eq(0)",c.nTable).outerWidth();b.style.width=c+"px";a.nWrapper.style.width=c+"px"},_fnCloneTRight:function(a){for(var c=this.fnGetSettings(),b=$("tbody",c.nTable)[0],d=a.nNode,e=jQuery("tbody tr:eq(0) td",c.nTable).length;0<d.childNodes.length;)d.removeChild(d.childNodes[0]);d.appendChild(jQuery("thead",c.nTable).clone(!0)[0]);d.appendChild(jQuery("tbody",c.nTable).clone(!0)[0]);c.bFooter&&d.appendChild(jQuery("tfoot",c.nTable).clone(!0)[0]);
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jQuery("thead tr th:not(:nth-child("+e+"n))",d).remove();jQuery("tfoot tr th:not(:nth-child("+e+"n))",d).remove();$("tbody tr",d).each(function(){$("td:lt("+(e-1)+")",this).remove()});this.fnEqualiseHeights("tbody",b.parentNode,d);c=jQuery("thead tr th:eq("+(e-1)+")",c.nTable).outerWidth();d.style.width=c+"px";a.nWrapper.style.width=c+"px"},fnEqualiseHeights:function(a,c,b){var d=$(a+" tr:eq(0)",c).children(":eq(0)"),e=d.outerHeight()-d.height(),f=$.browser.msie&&("6.0"==$.browser.version||"7.0"==
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$.browser.version);$(a+" tr",b).each(function(b){$.browser.mozilla||$.browser.opera?$(this).children().height($(a+" tr:eq("+b+")",c).outerHeight()):$(this).children().height($(a+" tr:eq("+b+")",c).outerHeight()-e);f||$(a+" tr:eq("+b+")",c).height($(a+" tr:eq("+b+")",c).outerHeight())})}};FixedHeader.oWin={iScrollTop:0,iScrollRight:0,iScrollBottom:0,iScrollLeft:0,iHeight:0,iWidth:0};FixedHeader.oDoc={iHeight:0,iWidth:0};FixedHeader.afnScroll=[];
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FixedHeader.fnMeasure=function(){var a=jQuery(window),c=jQuery(document),b=FixedHeader.oWin,d=FixedHeader.oDoc;d.iHeight=c.height();d.iWidth=c.width();b.iHeight=a.height();b.iWidth=a.width();b.iScrollTop=a.scrollTop();b.iScrollLeft=a.scrollLeft();b.iScrollRight=d.iWidth-b.iScrollLeft-b.iWidth;b.iScrollBottom=d.iHeight-b.iScrollTop-b.iHeight};FixedHeader.VERSION="2.0.6";FixedHeader.prototype.VERSION=FixedHeader.VERSION;
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jQuery(window).scroll(function(){FixedHeader.fnMeasure();for(var a=0,c=FixedHeader.afnScroll.length;a<c;a++)FixedHeader.afnScroll[a]()});
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