mirror of
https://github.com/DataTables/DataTables.git
synced 2025-04-11 03:02:30 +02:00
789 lines
21 KiB
JavaScript
789 lines
21 KiB
JavaScript
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/**
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* Create a new TR element (and it's TD children) for a row
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* @param {object} oSettings dataTables settings object
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* @param {int} iRow Row to consider
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* @memberof DataTable#oApi
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*/
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function _fnCreateTr ( oSettings, iRow )
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{
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var oData = oSettings.aoData[iRow];
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var nTd;
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if ( oData.nTr === null )
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{
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oData.nTr = document.createElement('tr');
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/* Use a private property on the node to allow reserve mapping from the node
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* to the aoData array for fast look up
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*/
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oData.nTr._DT_RowIndex = iRow;
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/* Special parameters can be given by the data source to be used on the row */
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if ( oData._aData.DT_RowId )
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{
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oData.nTr.id = oData._aData.DT_RowId;
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}
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if ( oData._aData.DT_RowClass )
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{
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$(oData.nTr).addClass( oData._aData.DT_RowClass );
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}
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/* Process each column */
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for ( var i=0, iLen=oSettings.aoColumns.length ; i<iLen ; i++ )
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{
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var oCol = oSettings.aoColumns[i];
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nTd = document.createElement( oCol.sCellType );
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/* Render if needed - if bUseRendered is true then we already have the rendered
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* value in the data source - so can just use that
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*/
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nTd.innerHTML = (typeof oCol.fnRender === 'function' && (!oCol.bUseRendered || oCol.mData === null)) ?
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_fnRender( oSettings, iRow, i ) :
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_fnGetCellData( oSettings, iRow, i, 'display' );
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/* Add user defined class */
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if ( oCol.sClass !== null )
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{
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nTd.className = oCol.sClass;
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}
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if ( oCol.bVisible )
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{
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oData.nTr.appendChild( nTd );
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oData._anHidden[i] = null;
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}
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else
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{
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oData._anHidden[i] = nTd;
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}
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if ( oCol.fnCreatedCell )
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{
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oCol.fnCreatedCell.call( oSettings.oInstance,
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nTd, _fnGetCellData( oSettings, iRow, i, 'display' ), oData._aData, iRow, i
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);
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}
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}
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_fnCallbackFire( oSettings, 'aoRowCreatedCallback', null, [oData.nTr, oData._aData, iRow] );
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}
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}
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/**
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* Create the HTML header for the table
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* @param {object} oSettings dataTables settings object
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* @memberof DataTable#oApi
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*/
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function _fnBuildHead( oSettings )
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{
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var i, nTh, iLen, j, jLen;
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var iThs = oSettings.nTHead.getElementsByTagName('th').length;
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var iCorrector = 0;
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var jqChildren;
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/* If there is a header in place - then use it - otherwise it's going to get nuked... */
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if ( iThs !== 0 )
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{
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/* We've got a thead from the DOM, so remove hidden columns and apply width to vis cols */
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for ( i=0, iLen=oSettings.aoColumns.length ; i<iLen ; i++ )
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{
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nTh = oSettings.aoColumns[i].nTh;
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nTh.setAttribute('role', 'columnheader');
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if ( oSettings.aoColumns[i].bSortable )
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{
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nTh.setAttribute('tabindex', oSettings.iTabIndex);
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nTh.setAttribute('aria-controls', oSettings.sTableId);
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}
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if ( oSettings.aoColumns[i].sClass !== null )
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{
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$(nTh).addClass( oSettings.aoColumns[i].sClass );
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}
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/* Set the title of the column if it is user defined (not what was auto detected) */
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if ( oSettings.aoColumns[i].sTitle != nTh.innerHTML )
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{
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nTh.innerHTML = oSettings.aoColumns[i].sTitle;
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}
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}
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}
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else
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{
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/* We don't have a header in the DOM - so we are going to have to create one */
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var nTr = document.createElement( "tr" );
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for ( i=0, iLen=oSettings.aoColumns.length ; i<iLen ; i++ )
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{
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nTh = oSettings.aoColumns[i].nTh;
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nTh.innerHTML = oSettings.aoColumns[i].sTitle;
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nTh.setAttribute('tabindex', '0');
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if ( oSettings.aoColumns[i].sClass !== null )
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{
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$(nTh).addClass( oSettings.aoColumns[i].sClass );
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}
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nTr.appendChild( nTh );
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}
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$(oSettings.nTHead).html( '' )[0].appendChild( nTr );
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_fnDetectHeader( oSettings.aoHeader, oSettings.nTHead );
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}
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/* ARIA role for the rows */
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$(oSettings.nTHead).children('tr').attr('role', 'row');
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/* Add the extra markup needed by jQuery UI's themes */
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if ( oSettings.bJUI )
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{
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for ( i=0, iLen=oSettings.aoColumns.length ; i<iLen ; i++ )
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{
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nTh = oSettings.aoColumns[i].nTh;
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var nDiv = document.createElement('div');
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nDiv.className = oSettings.oClasses.sSortJUIWrapper;
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$(nTh).contents().appendTo(nDiv);
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var nSpan = document.createElement('span');
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nSpan.className = oSettings.oClasses.sSortIcon;
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nDiv.appendChild( nSpan );
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nTh.appendChild( nDiv );
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}
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}
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if ( oSettings.oFeatures.bSort )
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{
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for ( i=0 ; i<oSettings.aoColumns.length ; i++ )
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{
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if ( oSettings.aoColumns[i].bSortable !== false )
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{
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_fnSortAttachListener( oSettings, oSettings.aoColumns[i].nTh, i );
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}
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else
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{
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$(oSettings.aoColumns[i].nTh).addClass( oSettings.oClasses.sSortableNone );
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}
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}
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}
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/* Deal with the footer - add classes if required */
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if ( oSettings.oClasses.sFooterTH !== "" )
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{
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$(oSettings.nTFoot).children('tr').children('th').addClass( oSettings.oClasses.sFooterTH );
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}
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/* Cache the footer elements */
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if ( oSettings.nTFoot !== null )
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{
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var anCells = _fnGetUniqueThs( oSettings, null, oSettings.aoFooter );
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for ( i=0, iLen=oSettings.aoColumns.length ; i<iLen ; i++ )
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{
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if ( anCells[i] )
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{
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oSettings.aoColumns[i].nTf = anCells[i];
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if ( oSettings.aoColumns[i].sClass )
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{
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$(anCells[i]).addClass( oSettings.aoColumns[i].sClass );
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}
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}
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}
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}
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}
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/**
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* Draw the header (or footer) element based on the column visibility states. The
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* methodology here is to use the layout array from _fnDetectHeader, modified for
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* the instantaneous column visibility, to construct the new layout. The grid is
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* traversed over cell at a time in a rows x columns grid fashion, although each
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* cell insert can cover multiple elements in the grid - which is tracks using the
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* aApplied array. Cell inserts in the grid will only occur where there isn't
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* already a cell in that position.
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* @param {object} oSettings dataTables settings object
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* @param array {objects} aoSource Layout array from _fnDetectHeader
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* @param {boolean} [bIncludeHidden=false] If true then include the hidden columns in the calc,
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* @memberof DataTable#oApi
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*/
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function _fnDrawHead( oSettings, aoSource, bIncludeHidden )
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{
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var i, iLen, j, jLen, k, kLen, n, nLocalTr;
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var aoLocal = [];
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var aApplied = [];
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var iColumns = oSettings.aoColumns.length;
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var iRowspan, iColspan;
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if ( bIncludeHidden === undefined )
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{
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bIncludeHidden = false;
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}
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/* Make a copy of the master layout array, but without the visible columns in it */
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for ( i=0, iLen=aoSource.length ; i<iLen ; i++ )
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{
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aoLocal[i] = aoSource[i].slice();
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aoLocal[i].nTr = aoSource[i].nTr;
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/* Remove any columns which are currently hidden */
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for ( j=iColumns-1 ; j>=0 ; j-- )
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{
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if ( !oSettings.aoColumns[j].bVisible && !bIncludeHidden )
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{
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aoLocal[i].splice( j, 1 );
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}
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}
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/* Prep the applied array - it needs an element for each row */
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aApplied.push( [] );
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}
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for ( i=0, iLen=aoLocal.length ; i<iLen ; i++ )
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{
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nLocalTr = aoLocal[i].nTr;
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/* All cells are going to be replaced, so empty out the row */
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if ( nLocalTr )
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{
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while( (n = nLocalTr.firstChild) )
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{
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nLocalTr.removeChild( n );
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}
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}
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for ( j=0, jLen=aoLocal[i].length ; j<jLen ; j++ )
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{
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iRowspan = 1;
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iColspan = 1;
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/* Check to see if there is already a cell (row/colspan) covering our target
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* insert point. If there is, then there is nothing to do.
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*/
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if ( aApplied[i][j] === undefined )
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{
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nLocalTr.appendChild( aoLocal[i][j].cell );
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aApplied[i][j] = 1;
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/* Expand the cell to cover as many rows as needed */
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while ( aoLocal[i+iRowspan] !== undefined &&
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aoLocal[i][j].cell == aoLocal[i+iRowspan][j].cell )
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{
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aApplied[i+iRowspan][j] = 1;
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iRowspan++;
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}
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/* Expand the cell to cover as many columns as needed */
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while ( aoLocal[i][j+iColspan] !== undefined &&
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aoLocal[i][j].cell == aoLocal[i][j+iColspan].cell )
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{
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/* Must update the applied array over the rows for the columns */
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for ( k=0 ; k<iRowspan ; k++ )
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{
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aApplied[i+k][j+iColspan] = 1;
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}
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iColspan++;
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}
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/* Do the actual expansion in the DOM */
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aoLocal[i][j].cell.rowSpan = iRowspan;
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aoLocal[i][j].cell.colSpan = iColspan;
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}
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}
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}
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}
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/**
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* Insert the required TR nodes into the table for display
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* @param {object} oSettings dataTables settings object
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* @memberof DataTable#oApi
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*/
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function _fnDraw( oSettings )
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{
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/* Provide a pre-callback function which can be used to cancel the draw is false is returned */
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var aPreDraw = _fnCallbackFire( oSettings, 'aoPreDrawCallback', 'preDraw', [oSettings] );
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if ( $.inArray( false, aPreDraw ) !== -1 )
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{
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_fnProcessingDisplay( oSettings, false );
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return;
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}
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var i, iLen, n;
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var anRows = [];
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var iRowCount = 0;
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var iStripes = oSettings.asStripeClasses.length;
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var iOpenRows = oSettings.aoOpenRows.length;
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oSettings.bDrawing = true;
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/* Check and see if we have an initial draw position from state saving */
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if ( oSettings.iInitDisplayStart !== undefined && oSettings.iInitDisplayStart != -1 )
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{
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if ( oSettings.oFeatures.bServerSide )
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{
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oSettings._iDisplayStart = oSettings.iInitDisplayStart;
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}
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else
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{
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oSettings._iDisplayStart = (oSettings.iInitDisplayStart >= oSettings.fnRecordsDisplay()) ?
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0 : oSettings.iInitDisplayStart;
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}
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oSettings.iInitDisplayStart = -1;
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_fnCalculateEnd( oSettings );
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}
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/* Server-side processing draw intercept */
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if ( oSettings.bDeferLoading )
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{
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oSettings.bDeferLoading = false;
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oSettings.iDraw++;
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}
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else if ( !oSettings.oFeatures.bServerSide )
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{
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oSettings.iDraw++;
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}
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else if ( !oSettings.bDestroying && !_fnAjaxUpdate( oSettings ) )
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{
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return;
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}
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if ( oSettings.aiDisplay.length !== 0 )
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{
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var iStart = oSettings._iDisplayStart;
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var iEnd = oSettings._iDisplayEnd;
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if ( oSettings.oFeatures.bServerSide )
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{
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iStart = 0;
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iEnd = oSettings.aoData.length;
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}
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for ( var j=iStart ; j<iEnd ; j++ )
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{
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var aoData = oSettings.aoData[ oSettings.aiDisplay[j] ];
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if ( aoData.nTr === null )
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{
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_fnCreateTr( oSettings, oSettings.aiDisplay[j] );
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}
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var nRow = aoData.nTr;
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/* Remove the old striping classes and then add the new one */
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if ( iStripes !== 0 )
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{
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var sStripe = oSettings.asStripeClasses[ iRowCount % iStripes ];
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if ( aoData._sRowStripe != sStripe )
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{
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$(nRow).removeClass( aoData._sRowStripe ).addClass( sStripe );
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aoData._sRowStripe = sStripe;
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}
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}
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/* Row callback functions - might want to manipule the row */
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_fnCallbackFire( oSettings, 'aoRowCallback', null,
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[nRow, oSettings.aoData[ oSettings.aiDisplay[j] ]._aData, iRowCount, j] );
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anRows.push( nRow );
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iRowCount++;
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/* If there is an open row - and it is attached to this parent - attach it on redraw */
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if ( iOpenRows !== 0 )
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{
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for ( var k=0 ; k<iOpenRows ; k++ )
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{
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if ( nRow == oSettings.aoOpenRows[k].nParent )
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{
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anRows.push( oSettings.aoOpenRows[k].nTr );
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break;
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}
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}
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}
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}
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}
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else
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{
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/* Table is empty - create a row with an empty message in it */
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anRows[ 0 ] = document.createElement( 'tr' );
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if ( oSettings.asStripeClasses[0] )
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{
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anRows[ 0 ].className = oSettings.asStripeClasses[0];
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}
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var oLang = oSettings.oLanguage;
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var sZero = oLang.sZeroRecords;
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if ( oSettings.iDraw == 1 && oSettings.sAjaxSource !== null && !oSettings.oFeatures.bServerSide )
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{
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sZero = oLang.sLoadingRecords;
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}
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else if ( oLang.sEmptyTable && oSettings.fnRecordsTotal() === 0 )
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{
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sZero = oLang.sEmptyTable;
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}
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var nTd = document.createElement( 'td' );
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nTd.setAttribute( 'valign', "top" );
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nTd.colSpan = _fnVisbleColumns( oSettings );
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nTd.className = oSettings.oClasses.sRowEmpty;
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nTd.innerHTML = _fnInfoMacros( oSettings, sZero );
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anRows[ iRowCount ].appendChild( nTd );
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}
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/* Header and footer callbacks */
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_fnCallbackFire( oSettings, 'aoHeaderCallback', 'header', [ $(oSettings.nTHead).children('tr')[0],
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_fnGetDataMaster( oSettings ), oSettings._iDisplayStart, oSettings.fnDisplayEnd(), oSettings.aiDisplay ] );
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_fnCallbackFire( oSettings, 'aoFooterCallback', 'footer', [ $(oSettings.nTFoot).children('tr')[0],
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_fnGetDataMaster( oSettings ), oSettings._iDisplayStart, oSettings.fnDisplayEnd(), oSettings.aiDisplay ] );
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/*
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* Need to remove any old row from the display - note we can't just empty the tbody using
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* $().html('') since this will unbind the jQuery event handlers (even although the node
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* still exists!) - equally we can't use innerHTML, since IE throws an exception.
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*/
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var
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nAddFrag = document.createDocumentFragment(),
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nRemoveFrag = document.createDocumentFragment(),
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nBodyPar, nTrs;
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if ( oSettings.nTBody )
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{
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nBodyPar = oSettings.nTBody.parentNode;
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nRemoveFrag.appendChild( oSettings.nTBody );
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/* When doing infinite scrolling, only remove child rows when sorting, filtering or start
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* up. When not infinite scroll, always do it.
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*/
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if ( !oSettings.oScroll.bInfinite || !oSettings._bInitComplete ||
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oSettings.bSorted || oSettings.bFiltered )
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{
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while( (n = oSettings.nTBody.firstChild) )
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{
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oSettings.nTBody.removeChild( n );
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}
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}
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/* Put the draw table into the dom */
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for ( i=0, iLen=anRows.length ; i<iLen ; i++ )
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{
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nAddFrag.appendChild( anRows[i] );
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}
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oSettings.nTBody.appendChild( nAddFrag );
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if ( nBodyPar !== null )
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{
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nBodyPar.appendChild( oSettings.nTBody );
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}
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}
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/* Call all required callback functions for the end of a draw */
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_fnCallbackFire( oSettings, 'aoDrawCallback', 'draw', [oSettings] );
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/* Draw is complete, sorting and filtering must be as well */
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oSettings.bSorted = false;
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oSettings.bFiltered = false;
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oSettings.bDrawing = false;
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if ( oSettings.oFeatures.bServerSide )
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{
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_fnProcessingDisplay( oSettings, false );
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if ( !oSettings._bInitComplete )
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{
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_fnInitComplete( oSettings );
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}
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}
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}
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|
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/**
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* Redraw the table - taking account of the various features which are enabled
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* @param {object} oSettings dataTables settings object
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* @memberof DataTable#oApi
|
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*/
|
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function _fnReDraw( oSettings )
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{
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if ( oSettings.oFeatures.bSort )
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{
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/* Sorting will refilter and draw for us */
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_fnSort( oSettings, oSettings.oPreviousSearch );
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}
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else if ( oSettings.oFeatures.bFilter )
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{
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/* Filtering will redraw for us */
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_fnFilterComplete( oSettings, oSettings.oPreviousSearch );
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}
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else
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{
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_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 = oSettings.oClasses.sJUIHeader;
|
|
}
|
|
else if ( sAttr == "F" )
|
|
{
|
|
sAttr = oSettings.oClasses.sJUIFooter;
|
|
}
|
|
|
|
/* 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;
|
|
}
|
|
|