mirror of
https://github.com/koalyptus/TableFilter.git
synced 2024-05-10 10:26:38 +02:00
95 lines
3.4 KiB
JavaScript
95 lines
3.4 KiB
JavaScript
/*------------------------------------------------------------------------
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- HTML Table Filter Generator
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- Fixed headers feature v1.0 - Deprecated!
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- By Max Guglielmi (tablefilter.free.fr)
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- Licensed under the MIT License
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-------------------------------------------------------------------------*/
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TF.prototype.SetFixedHeaders = function()
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/*====================================================
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- CSS solution making headers fixed
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=====================================================*/
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{
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if((!this.hasGrid && !this.isFirstLoad) || !this.fixedHeaders) return;
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if(this.contDiv) return;
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var thead = tf_Tag(this.tbl,'thead');
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if( thead.length==0 ) return;
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var tbody = tf_Tag(this.tbl,'tbody');
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if( tbody[0].clientHeight!=0 )
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{//firefox returns tbody height
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//previous values
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this.prevTBodyH = tbody[0].clientHeight;
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this.prevTBodyOverflow = tbody[0].style.overflow;
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this.prevTBodyOverflowX = tbody[0].style.overflowX;
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tbody[0].style.height = this.tBodyH+'px';
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tbody[0].style.overflow = 'auto';
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tbody[0].style.overflowX = 'hidden';
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} else { //IE returns 0
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// cont div is added to emulate fixed headers behaviour
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var contDiv = tf_CreateElm( 'div',['id',this.prfxContentDiv+this.id] );
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contDiv.className = this.contDivCssClass;
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this.tbl.parentNode.insertBefore(contDiv, this.tbl);
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contDiv.appendChild(this.tbl);
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this.contDiv = tf_Id(this.prfxContentDiv+this.id);
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//prevents headers moving during window scroll (IE)
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this.contDiv.style.position = 'relative';
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var theadH = 0;
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var theadTr = tf_Tag(thead[0],'tr');
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for(var i=0; i<theadTr.length; i++)
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{//css below emulates fixed headers on IE<=6
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theadTr[i].style.cssText += 'position:relative; ' +
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'top:expression(offsetParent.scrollTop);';
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theadH += parseInt(theadTr[i].clientHeight);
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}
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this.contDiv.style.height = (this.tBodyH+theadH)+'px';
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var tfoot = tf_Tag(this.tbl,'tfoot');
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if( tfoot.length==0 ) return;
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var tfootTr = tf_Tag(tfoot[0],'tr');
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for(var j=0; j<tfootTr.length; j++)//css below emulates fixed footer on IE<=6
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tfootTr[j].style.cssText += 'position:relative; overflow-x: hidden; ' +
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'top: expression(parentNode.parentNode.offsetHeight >= ' +
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'offsetParent.offsetHeight ? 0 - parentNode.parentNode.offsetHeight + '+
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'offsetParent.offsetHeight + offsetParent.scrollTop : 0);';
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}
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}
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TF.prototype.RemoveFixedHeaders = function()
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/*====================================================
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- Removes fixed headers
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=====================================================*/
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{
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if(!this.hasGrid || !this.fixedHeaders ) return;
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if( this.contDiv )//IE additional div
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{
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this.contDiv.parentNode.insertBefore(this.tbl, this.contDiv);
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this.contDiv.parentNode.removeChild( this.contDiv );
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this.contDiv = null;
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var thead = tf_Tag(this.tbl,'thead');
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if( thead.length==0 ) return;
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var theadTr = tf_Tag(thead[0],'tr');
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if( theadTr.length==0 ) return;
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for(var i=0; i<theadTr.length; i++)
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theadTr[i].style.cssText = '';
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var tfoot = tf_Tag(this.tbl,'tfoot');
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if( tfoot.length==0 ) return;
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var tfootTr = tf_Tag(tfoot[0],'tr');
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for(var j=0; j<tfootTr.length; j++)
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{
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tfootTr[j].style.position = 'relative';
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tfootTr[j].style.top = '';
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tfootTr[j].style.overeflowX = '';
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}
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} else {
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var tbody = tf_Tag(this.tbl,'tbody');
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if( tbody.length==0 ) return;
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tbody[0].style.height = this.prevTBodyH+'px';
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tbody[0].style.overflow = this.prevTBodyOverflow;
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tbody[0].style.overflowX = this.prevTBodyOverflowX;
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}
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} |