+ /**
+ * Build index to handle colspanned cells in the body.
+ * Set the cell index for each column in an array,
+ * so that colspaned cells set multiple in this array.
+ * columnToCell[collumnIndex] point at the real cell in this row.
+ *
+ * @param {jQuery} $table object for a <table>
+ */
+ function manageColspans( $table ) {
+ var i, j, k, $row,
+ $rows = $table.find( '> tbody > tr' ),
+ totalRows = $rows.length || 0,
+ config = $table.data( 'tablesorter' ).config,
+ columns = config.columns,
+ columnToCell, cellsInRow, index;
+
+ for ( i = 0; i < totalRows; i++ ) {
+
+ $row = $rows.eq( i );
+ // if this is a child row, continue to the next row (as buildCache())
+ if ( $row.hasClass( config.cssChildRow ) ) {
+ // go to the next for loop
+ continue;
+ }
+
+ columnToCell = [];
+ cellsInRow = ( $row[ 0 ].cells.length ) || 0; // all cells in this row
+ index = 0; // real cell index in this row
+ for ( j = 0; j < columns; index++ ) {
+ if ( index === cellsInRow ) {
+ // Row with cells less than columns: add empty cell
+ $row.append( '<td>' );
+ cellsInRow++;
+ }
+ for ( k = 0; k < $row[ 0 ].cells[ index ].colSpan; k++ ) {
+ columnToCell[ j++ ] = index;
+ }
+ }
+ // Store it in $row
+ $row.data( 'columnToCell', columnToCell );
+ }
+ }
+