1
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/**
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2
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* Create a new TR element (and it's TD children) for a row
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3
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* @param {object} oSettings dataTables settings object
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* @param {int} iRow Row to consider
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5
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* @memberof DataTable#oApi
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6
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*/
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7
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function _fnCreateTr ( oSettings, iRow )
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8
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{
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9
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var oData = oSettings.aoData[iRow];
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10
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var nTd;
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11
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12
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if ( oData.nTr === null )
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13
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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.className = 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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44
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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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50
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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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65
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);
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66
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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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74
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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 = $('th, td', oSettings.nTHead).length;
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var iCorrector = 0;
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var jqChildren;
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85
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/* If there is a header in place - then use it - otherwise it's going to get nuked... */
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if ( iThs !== 0 )
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{
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89
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/* We've got a thead from the DOM, so remove hidden columns and apply width to vis cols */
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for ( i=0, iLen=oSettings.aoColumns.length ; i<iLen ; i++ )
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{
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nTh = oSettings.aoColumns[i].nTh;
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nTh.setAttribute('role', 'columnheader');
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if ( oSettings.aoColumns[i].bSortable )
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{
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nTh.setAttribute('tabindex', oSettings.iTabIndex);
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nTh.setAttribute('aria-controls', oSettings.sTableId);
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}
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if ( oSettings.aoColumns[i].sClass !== null )
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{
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$(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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158
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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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$(oSettings.aoColumns[i].nTh).addClass( oSettings.oClasses.sSortableNone );
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}
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}
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}
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169
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/* Deal with the footer - add classes if required */
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if ( oSettings.oClasses.sFooterTH !== "" )
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{
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$(oSettings.nTFoot).children('tr').children('th').addClass( oSettings.oClasses.sFooterTH );
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}
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175
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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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188
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}
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189
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}
|
190
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}
|
191
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}
|
192
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}
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194
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195
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/**
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196
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* Draw the header (or footer) element based on the column visibility states. The
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197
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* methodology here is to use the layout array from _fnDetectHeader, modified for
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198
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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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200
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* cell insert can cover multiple elements in the grid - which is tracks using the
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201
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* aApplied array. Cell inserts in the grid will only occur where there isn't
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202
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* already a cell in that position.
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203
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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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206
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* @memberof DataTable#oApi
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*/
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208
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function _fnDrawHead( oSettings, aoSource, bIncludeHidden )
|
209
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{
|
210
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var i, iLen, j, jLen, k, kLen, n, nLocalTr;
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211
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var aoLocal = [];
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212
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var aApplied = [];
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213
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var iColumns = oSettings.aoColumns.length;
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214
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var iRowspan, iColspan;
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215
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|
216
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if ( bIncludeHidden === undefined )
|
217
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{
|
218
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bIncludeHidden = false;
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219
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}
|
220
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221
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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++ )
|
223
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{
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aoLocal[i] = aoSource[i].slice();
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225
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aoLocal[i].nTr = aoSource[i].nTr;
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226
|
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227
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/* Remove any columns which are currently hidden */
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228
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for ( j=iColumns-1 ; j>=0 ; j-- )
|
229
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{
|
230
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if ( !oSettings.aoColumns[j].bVisible && !bIncludeHidden )
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231
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{
|
232
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aoLocal[i].splice( j, 1 );
|
233
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}
|
234
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}
|
235
|
|
236
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/* Prep the applied array - it needs an element for each row */
|
237
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aApplied.push( [] );
|
238
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}
|
239
|
|
240
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for ( i=0, iLen=aoLocal.length ; i<iLen ; i++ )
|
241
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{
|
242
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nLocalTr = aoLocal[i].nTr;
|
243
|
|
244
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/* All cells are going to be replaced, so empty out the row */
|
245
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if ( nLocalTr )
|
246
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{
|
247
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while( (n = nLocalTr.firstChild) )
|
248
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{
|
249
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nLocalTr.removeChild( n );
|
250
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}
|
251
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}
|
252
|
|
253
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for ( j=0, jLen=aoLocal[i].length ; j<jLen ; j++ )
|
254
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{
|
255
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iRowspan = 1;
|
256
|
iColspan = 1;
|
257
|
|
258
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/* Check to see if there is already a cell (row/colspan) covering our target
|
259
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* insert point. If there is, then there is nothing to do.
|
260
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*/
|
261
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if ( aApplied[i][j] === undefined )
|
262
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{
|
263
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nLocalTr.appendChild( aoLocal[i][j].cell );
|
264
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aApplied[i][j] = 1;
|
265
|
|
266
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/* Expand the cell to cover as many rows as needed */
|
267
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while ( aoLocal[i+iRowspan] !== undefined &&
|
268
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aoLocal[i][j].cell == aoLocal[i+iRowspan][j].cell )
|
269
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{
|
270
|
aApplied[i+iRowspan][j] = 1;
|
271
|
iRowspan++;
|
272
|
}
|
273
|
|
274
|
/* Expand the cell to cover as many columns as needed */
|
275
|
while ( aoLocal[i][j+iColspan] !== undefined &&
|
276
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aoLocal[i][j].cell == aoLocal[i][j+iColspan].cell )
|
277
|
{
|
278
|
/* Must update the applied array over the rows for the columns */
|
279
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for ( k=0 ; k<iRowspan ; k++ )
|
280
|
{
|
281
|
aApplied[i+k][j+iColspan] = 1;
|
282
|
}
|
283
|
iColspan++;
|
284
|
}
|
285
|
|
286
|
/* Do the actual expansion in the DOM */
|
287
|
aoLocal[i][j].cell.rowSpan = iRowspan;
|
288
|
aoLocal[i][j].cell.colSpan = iColspan;
|
289
|
}
|
290
|
}
|
291
|
}
|
292
|
}
|
293
|
|
294
|
|
295
|
/**
|
296
|
* Insert the required TR nodes into the table for display
|
297
|
* @param {object} oSettings dataTables settings object
|
298
|
* @memberof DataTable#oApi
|
299
|
*/
|
300
|
function _fnDraw( oSettings )
|
301
|
{
|
302
|
/* Provide a pre-callback function which can be used to cancel the draw is false is returned */
|
303
|
var aPreDraw = _fnCallbackFire( oSettings, 'aoPreDrawCallback', 'preDraw', [oSettings] );
|
304
|
if ( $.inArray( false, aPreDraw ) !== -1 )
|
305
|
{
|
306
|
_fnProcessingDisplay( oSettings, false );
|
307
|
return;
|
308
|
}
|
309
|
|
310
|
var i, iLen, n;
|
311
|
var anRows = [];
|
312
|
var iRowCount = 0;
|
313
|
var iStripes = oSettings.asStripeClasses.length;
|
314
|
var iOpenRows = oSettings.aoOpenRows.length;
|
315
|
|
316
|
oSettings.bDrawing = true;
|
317
|
|
318
|
/* Check and see if we have an initial draw position from state saving */
|
319
|
if ( oSettings.iInitDisplayStart !== undefined && oSettings.iInitDisplayStart != -1 )
|
320
|
{
|
321
|
if ( oSettings.oFeatures.bServerSide )
|
322
|
{
|
323
|
oSettings._iDisplayStart = oSettings.iInitDisplayStart;
|
324
|
}
|
325
|
else
|
326
|
{
|
327
|
oSettings._iDisplayStart = (oSettings.iInitDisplayStart >= oSettings.fnRecordsDisplay()) ?
|
328
|
0 : oSettings.iInitDisplayStart;
|
329
|
}
|
330
|
oSettings.iInitDisplayStart = -1;
|
331
|
_fnCalculateEnd( oSettings );
|
332
|
}
|
333
|
|
334
|
/* Server-side processing draw intercept */
|
335
|
if ( oSettings.bDeferLoading )
|
336
|
{
|
337
|
oSettings.bDeferLoading = false;
|
338
|
oSettings.iDraw++;
|
339
|
}
|
340
|
else if ( !oSettings.oFeatures.bServerSide )
|
341
|
{
|
342
|
oSettings.iDraw++;
|
343
|
}
|
344
|
else if ( !oSettings.bDestroying && !_fnAjaxUpdate( oSettings ) )
|
345
|
{
|
346
|
return;
|
347
|
}
|
348
|
|
349
|
if ( oSettings.aiDisplay.length !== 0 )
|
350
|
{
|
351
|
var iStart = oSettings._iDisplayStart;
|
352
|
var iEnd = oSettings._iDisplayEnd;
|
353
|
|
354
|
if ( oSettings.oFeatures.bServerSide )
|
355
|
{
|
356
|
iStart = 0;
|
357
|
iEnd = oSettings.aoData.length;
|
358
|
}
|
359
|
|
360
|
for ( var j=iStart ; j<iEnd ; j++ )
|
361
|
{
|
362
|
var aoData = oSettings.aoData[ oSettings.aiDisplay[j] ];
|
363
|
if ( aoData.nTr === null )
|
364
|
{
|
365
|
_fnCreateTr( oSettings, oSettings.aiDisplay[j] );
|
366
|
}
|
367
|
|
368
|
var nRow = aoData.nTr;
|
369
|
|
370
|
/* Remove the old striping classes and then add the new one */
|
371
|
if ( iStripes !== 0 )
|
372
|
{
|
373
|
var sStripe = oSettings.asStripeClasses[ iRowCount % iStripes ];
|
374
|
if ( aoData._sRowStripe != sStripe )
|
375
|
{
|
376
|
$(nRow).removeClass( aoData._sRowStripe ).addClass( sStripe );
|
377
|
aoData._sRowStripe = sStripe;
|
378
|
}
|
379
|
}
|
380
|
|
381
|
/* Row callback functions - might want to manipulate the row */
|
382
|
_fnCallbackFire( oSettings, 'aoRowCallback', null,
|
383
|
[nRow, oSettings.aoData[ oSettings.aiDisplay[j] ]._aData, iRowCount, j] );
|
384
|
|
385
|
anRows.push( nRow );
|
386
|
iRowCount++;
|
387
|
|
388
|
/* If there is an open row - and it is attached to this parent - attach it on redraw */
|
389
|
if ( iOpenRows !== 0 )
|
390
|
{
|
391
|
for ( var k=0 ; k<iOpenRows ; k++ )
|
392
|
{
|
393
|
if ( nRow == oSettings.aoOpenRows[k].nParent )
|
394
|
{
|
395
|
anRows.push( oSettings.aoOpenRows[k].nTr );
|
396
|
break;
|
397
|
}
|
398
|
}
|
399
|
}
|
400
|
}
|
401
|
}
|
402
|
else
|
403
|
{
|
404
|
/* Table is empty - create a row with an empty message in it */
|
405
|
anRows[ 0 ] = document.createElement( 'tr' );
|
406
|
|
407
|
if ( oSettings.asStripeClasses[0] )
|
408
|
{
|
409
|
anRows[ 0 ].className = oSettings.asStripeClasses[0];
|
410
|
}
|
411
|
|
412
|
var oLang = oSettings.oLanguage;
|
413
|
var sZero = oLang.sZeroRecords;
|
414
|
if ( oSettings.iDraw == 1 && oSettings.sAjaxSource !== null && !oSettings.oFeatures.bServerSide )
|
415
|
{
|
416
|
sZero = oLang.sLoadingRecords;
|
417
|
}
|
418
|
else if ( oLang.sEmptyTable && oSettings.fnRecordsTotal() === 0 )
|
419
|
{
|
420
|
sZero = oLang.sEmptyTable;
|
421
|
}
|
422
|
|
423
|
var nTd = document.createElement( 'td' );
|
424
|
nTd.setAttribute( 'valign', "top" );
|
425
|
nTd.colSpan = _fnVisbleColumns( oSettings );
|
426
|
nTd.className = oSettings.oClasses.sRowEmpty;
|
427
|
nTd.innerHTML = _fnInfoMacros( oSettings, sZero );
|
428
|
|
429
|
anRows[ iRowCount ].appendChild( nTd );
|
430
|
}
|
431
|
|
432
|
/* Header and footer callbacks */
|
433
|
_fnCallbackFire( oSettings, 'aoHeaderCallback', 'header', [ $(oSettings.nTHead).children('tr')[0],
|
434
|
_fnGetDataMaster( oSettings ), oSettings._iDisplayStart, oSettings.fnDisplayEnd(), oSettings.aiDisplay ] );
|
435
|
|
436
|
_fnCallbackFire( oSettings, 'aoFooterCallback', 'footer', [ $(oSettings.nTFoot).children('tr')[0],
|
437
|
_fnGetDataMaster( oSettings ), oSettings._iDisplayStart, oSettings.fnDisplayEnd(), oSettings.aiDisplay ] );
|
438
|
|
439
|
/*
|
440
|
* Need to remove any old row from the display - note we can't just empty the tbody using
|
441
|
* $().html('') since this will unbind the jQuery event handlers (even although the node
|
442
|
* still exists!) - equally we can't use innerHTML, since IE throws an exception.
|
443
|
*/
|
444
|
var
|
445
|
nAddFrag = document.createDocumentFragment(),
|
446
|
nRemoveFrag = document.createDocumentFragment(),
|
447
|
nBodyPar, nTrs;
|
448
|
|
449
|
if ( oSettings.nTBody )
|
450
|
{
|
451
|
nBodyPar = oSettings.nTBody.parentNode;
|
452
|
nRemoveFrag.appendChild( oSettings.nTBody );
|
453
|
|
454
|
/* When doing infinite scrolling, only remove child rows when sorting, filtering or start
|
455
|
* up. When not infinite scroll, always do it.
|
456
|
*/
|
457
|
if ( !oSettings.oScroll.bInfinite || !oSettings._bInitComplete ||
|
458
|
oSettings.bSorted || oSettings.bFiltered )
|
459
|
{
|
460
|
while( (n = oSettings.nTBody.firstChild) )
|
461
|
{
|
462
|
oSettings.nTBody.removeChild( n );
|
463
|
}
|
464
|
}
|
465
|
|
466
|
/* Put the draw table into the dom */
|
467
|
for ( i=0, iLen=anRows.length ; i<iLen ; i++ )
|
468
|
{
|
469
|
nAddFrag.appendChild( anRows[i] );
|
470
|
}
|
471
|
|
472
|
oSettings.nTBody.appendChild( nAddFrag );
|
473
|
if ( nBodyPar !== null )
|
474
|
{
|
475
|
nBodyPar.appendChild( oSettings.nTBody );
|
476
|
}
|
477
|
}
|
478
|
|
479
|
/* Call all required callback functions for the end of a draw */
|
480
|
_fnCallbackFire( oSettings, 'aoDrawCallback', 'draw', [oSettings] );
|
481
|
|
482
|
/* Draw is complete, sorting and filtering must be as well */
|
483
|
oSettings.bSorted = false;
|
484
|
oSettings.bFiltered = false;
|
485
|
oSettings.bDrawing = false;
|
486
|
|
487
|
if ( oSettings.oFeatures.bServerSide )
|
488
|
{
|
489
|
_fnProcessingDisplay( oSettings, false );
|
490
|
if ( !oSettings._bInitComplete )
|
491
|
{
|
492
|
_fnInitComplete( oSettings );
|
493
|
}
|
494
|
}
|
495
|
}
|
496
|
|
497
|
|
498
|
/**
|
499
|
* Redraw the table - taking account of the various features which are enabled
|
500
|
* @param {object} oSettings dataTables settings object
|
501
|
* @memberof DataTable#oApi
|
502
|
*/
|
503
|
function _fnReDraw( oSettings )
|
504
|
{
|
505
|
if ( oSettings.oFeatures.bSort )
|
506
|
{
|
507
|
/* Sorting will refilter and draw for us */
|
508
|
_fnSort( oSettings, oSettings.oPreviousSearch );
|
509
|
}
|
510
|
else if ( oSettings.oFeatures.bFilter )
|
511
|
{
|
512
|
/* Filtering will redraw for us */
|
513
|
_fnFilterComplete( oSettings, oSettings.oPreviousSearch );
|
514
|
}
|
515
|
else
|
516
|
{
|
517
|
_fnCalculateEnd( oSettings );
|
518
|
_fnDraw( oSettings );
|
519
|
}
|
520
|
}
|
521
|
|
522
|
|
523
|
/**
|
524
|
* Add the options to the page HTML for the table
|
525
|
* @param {object} oSettings dataTables settings object
|
526
|
* @memberof DataTable#oApi
|
527
|
*/
|
528
|
function _fnAddOptionsHtml ( oSettings )
|
529
|
{
|
530
|
/*
|
531
|
* Create a temporary, empty, div which we can later on replace with what we have generated
|
532
|
* we do it this way to rendering the 'options' html offline - speed :-)
|
533
|
*/
|
534
|
var nHolding = $('<div></div>')[0];
|
535
|
oSettings.nTable.parentNode.insertBefore( nHolding, oSettings.nTable );
|
536
|
|
537
|
/*
|
538
|
* All DataTables are wrapped in a div
|
539
|
*/
|
540
|
oSettings.nTableWrapper = $('<div id="'+oSettings.sTableId+'_wrapper" class="'+oSettings.oClasses.sWrapper+'" role="grid"></div>')[0];
|
541
|
oSettings.nTableReinsertBefore = oSettings.nTable.nextSibling;
|
542
|
|
543
|
/* Track where we want to insert the option */
|
544
|
var nInsertNode = oSettings.nTableWrapper;
|
545
|
|
546
|
/* Loop over the user set positioning and place the elements as needed */
|
547
|
var aDom = oSettings.sDom.split('');
|
548
|
var nTmp, iPushFeature, cOption, nNewNode, cNext, sAttr, j;
|
549
|
for ( var i=0 ; i<aDom.length ; i++ )
|
550
|
{
|
551
|
iPushFeature = 0;
|
552
|
cOption = aDom[i];
|
553
|
|
554
|
if ( cOption == '<' )
|
555
|
{
|
556
|
/* New container div */
|
557
|
nNewNode = $('<div></div>')[0];
|
558
|
|
559
|
/* Check to see if we should append an id and/or a class name to the container */
|
560
|
cNext = aDom[i+1];
|
561
|
if ( cNext == "'" || cNext == '"' )
|
562
|
{
|
563
|
sAttr = "";
|
564
|
j = 2;
|
565
|
while ( aDom[i+j] != cNext )
|
566
|
{
|
567
|
sAttr += aDom[i+j];
|
568
|
j++;
|
569
|
}
|
570
|
|
571
|
/* Replace jQuery UI constants */
|
572
|
if ( sAttr == "H" )
|
573
|
{
|
574
|
sAttr = oSettings.oClasses.sJUIHeader;
|
575
|
}
|
576
|
else if ( sAttr == "F" )
|
577
|
{
|
578
|
sAttr = oSettings.oClasses.sJUIFooter;
|
579
|
}
|
580
|
|
581
|
/* The attribute can be in the format of "#id.class", "#id" or "class" This logic
|
582
|
* breaks the string into parts and applies them as needed
|
583
|
*/
|
584
|
if ( sAttr.indexOf('.') != -1 )
|
585
|
{
|
586
|
var aSplit = sAttr.split('.');
|
587
|
nNewNode.id = aSplit[0].substr(1, aSplit[0].length-1);
|
588
|
nNewNode.className = aSplit[1];
|
589
|
}
|
590
|
else if ( sAttr.charAt(0) == "#" )
|
591
|
{
|
592
|
nNewNode.id = sAttr.substr(1, sAttr.length-1);
|
593
|
}
|
594
|
else
|
595
|
{
|
596
|
nNewNode.className = sAttr;
|
597
|
}
|
598
|
|
599
|
i += j; /* Move along the position array */
|
600
|
}
|
601
|
|
602
|
nInsertNode.appendChild( nNewNode );
|
603
|
nInsertNode = nNewNode;
|
604
|
}
|
605
|
else if ( cOption == '>' )
|
606
|
{
|
607
|
/* End container div */
|
608
|
nInsertNode = nInsertNode.parentNode;
|
609
|
}
|
610
|
else if ( cOption == 'l' && oSettings.oFeatures.bPaginate && oSettings.oFeatures.bLengthChange )
|
611
|
{
|
612
|
/* Length */
|
613
|
nTmp = _fnFeatureHtmlLength( oSettings );
|
614
|
iPushFeature = 1;
|
615
|
}
|
616
|
else if ( cOption == 'f' && oSettings.oFeatures.bFilter )
|
617
|
{
|
618
|
/* Filter */
|
619
|
nTmp = _fnFeatureHtmlFilter( oSettings );
|
620
|
iPushFeature = 1;
|
621
|
}
|
622
|
else if ( cOption == 'r' && oSettings.oFeatures.bProcessing )
|
623
|
{
|
624
|
/* pRocessing */
|
625
|
nTmp = _fnFeatureHtmlProcessing( oSettings );
|
626
|
iPushFeature = 1;
|
627
|
}
|
628
|
else if ( cOption == 't' )
|
629
|
{
|
630
|
/* Table */
|
631
|
nTmp = _fnFeatureHtmlTable( oSettings );
|
632
|
iPushFeature = 1;
|
633
|
}
|
634
|
else if ( cOption == 'i' && oSettings.oFeatures.bInfo )
|
635
|
{
|
636
|
/* Info */
|
637
|
nTmp = _fnFeatureHtmlInfo( oSettings );
|
638
|
iPushFeature = 1;
|
639
|
}
|
640
|
else if ( cOption == 'p' && oSettings.oFeatures.bPaginate )
|
641
|
{
|
642
|
/* Pagination */
|
643
|
nTmp = _fnFeatureHtmlPaginate( oSettings );
|
644
|
iPushFeature = 1;
|
645
|
}
|
646
|
else if ( DataTable.ext.aoFeatures.length !== 0 )
|
647
|
{
|
648
|
/* Plug-in features */
|
649
|
var aoFeatures = DataTable.ext.aoFeatures;
|
650
|
for ( var k=0, kLen=aoFeatures.length ; k<kLen ; k++ )
|
651
|
{
|
652
|
if ( cOption == aoFeatures[k].cFeature )
|
653
|
{
|
654
|
nTmp = aoFeatures[k].fnInit( oSettings );
|
655
|
if ( nTmp )
|
656
|
{
|
657
|
iPushFeature = 1;
|
658
|
}
|
659
|
break;
|
660
|
}
|
661
|
}
|
662
|
}
|
663
|
|
664
|
/* Add to the 2D features array */
|
665
|
if ( iPushFeature == 1 && nTmp !== null )
|
666
|
{
|
667
|
if ( typeof oSettings.aanFeatures[cOption] !== 'object' )
|
668
|
{
|
669
|
oSettings.aanFeatures[cOption] = [];
|
670
|
}
|
671
|
oSettings.aanFeatures[cOption].push( nTmp );
|
672
|
nInsertNode.appendChild( nTmp );
|
673
|
}
|
674
|
}
|
675
|
|
676
|
/* Built our DOM structure - replace the holding div with what we want */
|
677
|
nHolding.parentNode.replaceChild( oSettings.nTableWrapper, nHolding );
|
678
|
}
|
679
|
|
680
|
|
681
|
/**
|
682
|
* Use the DOM source to create up an array of header cells. The idea here is to
|
683
|
* create a layout grid (array) of rows x columns, which contains a reference
|
684
|
* to the cell that that point in the grid (regardless of col/rowspan), such that
|
685
|
* any column / row could be removed and the new grid constructed
|
686
|
* @param array {object} aLayout Array to store the calculated layout in
|
687
|
* @param {node} nThead The header/footer element for the table
|
688
|
* @memberof DataTable#oApi
|
689
|
*/
|
690
|
function _fnDetectHeader ( aLayout, nThead )
|
691
|
{
|
692
|
var nTrs = $(nThead).children('tr');
|
693
|
var nTr, nCell;
|
694
|
var i, k, l, iLen, jLen, iColShifted, iColumn, iColspan, iRowspan;
|
695
|
var bUnique;
|
696
|
var fnShiftCol = function ( a, i, j ) {
|
697
|
var k = a[i];
|
698
|
while ( k[j] ) {
|
699
|
j++;
|
700
|
}
|
701
|
return j;
|
702
|
};
|
703
|
|
704
|
aLayout.splice( 0, aLayout.length );
|
705
|
|
706
|
/* We know how many rows there are in the layout - so prep it */
|
707
|
for ( i=0, iLen=nTrs.length ; i<iLen ; i++ )
|
708
|
{
|
709
|
aLayout.push( [] );
|
710
|
}
|
711
|
|
712
|
/* Calculate a layout array */
|
713
|
for ( i=0, iLen=nTrs.length ; i<iLen ; i++ )
|
714
|
{
|
715
|
nTr = nTrs[i];
|
716
|
iColumn = 0;
|
717
|
|
718
|
/* For every cell in the row... */
|
719
|
nCell = nTr.firstChild;
|
720
|
while ( nCell ) {
|
721
|
if ( nCell.nodeName.toUpperCase() == "TD" ||
|
722
|
nCell.nodeName.toUpperCase() == "TH" )
|
723
|
{
|
724
|
/* Get the col and rowspan attributes from the DOM and sanitise them */
|
725
|
iColspan = nCell.getAttribute('colspan') * 1;
|
726
|
iRowspan = nCell.getAttribute('rowspan') * 1;
|
727
|
iColspan = (!iColspan || iColspan===0 || iColspan===1) ? 1 : iColspan;
|
728
|
iRowspan = (!iRowspan || iRowspan===0 || iRowspan===1) ? 1 : iRowspan;
|
729
|
|
730
|
/* There might be colspan cells already in this row, so shift our target
|
731
|
* accordingly
|
732
|
*/
|
733
|
iColShifted = fnShiftCol( aLayout, i, iColumn );
|
734
|
|
735
|
/* Cache calculation for unique columns */
|
736
|
bUnique = iColspan === 1 ? true : false;
|
737
|
|
738
|
/* If there is col / rowspan, copy the information into the layout grid */
|
739
|
for ( l=0 ; l<iColspan ; l++ )
|
740
|
{
|
741
|
for ( k=0 ; k<iRowspan ; k++ )
|
742
|
{
|
743
|
aLayout[i+k][iColShifted+l] = {
|
744
|
"cell": nCell,
|
745
|
"unique": bUnique
|
746
|
};
|
747
|
aLayout[i+k].nTr = nTr;
|
748
|
}
|
749
|
}
|
750
|
}
|
751
|
nCell = nCell.nextSibling;
|
752
|
}
|
753
|
}
|
754
|
}
|
755
|
|
756
|
|
757
|
/**
|
758
|
* Get an array of unique th elements, one for each column
|
759
|
* @param {object} oSettings dataTables settings object
|
760
|
* @param {node} nHeader automatically detect the layout from this node - optional
|
761
|
* @param {array} aLayout thead/tfoot layout from _fnDetectHeader - optional
|
762
|
* @returns array {node} aReturn list of unique th's
|
763
|
* @memberof DataTable#oApi
|
764
|
*/
|
765
|
function _fnGetUniqueThs ( oSettings, nHeader, aLayout )
|
766
|
{
|
767
|
var aReturn = [];
|
768
|
if ( !aLayout )
|
769
|
{
|
770
|
aLayout = oSettings.aoHeader;
|
771
|
if ( nHeader )
|
772
|
{
|
773
|
aLayout = [];
|
774
|
_fnDetectHeader( aLayout, nHeader );
|
775
|
}
|
776
|
}
|
777
|
|
778
|
for ( var i=0, iLen=aLayout.length ; i<iLen ; i++ )
|
779
|
{
|
780
|
for ( var j=0, jLen=aLayout[i].length ; j<jLen ; j++ )
|
781
|
{
|
782
|
if ( aLayout[i][j].unique &&
|
783
|
(!aReturn[j] || !oSettings.bSortCellsTop) )
|
784
|
{
|
785
|
aReturn[j] = aLayout[i][j].cell;
|
786
|
}
|
787
|
}
|
788
|
}
|
789
|
|
790
|
return aReturn;
|
791
|
}
|
792
|
|