Bug 194161 Have not removed the measure binding column when hide the measure[1102]
Description: Have not removed the measure binding column when hide the measure[1102] Step: 1.New a datasource, dataset 2.New a data cube 3.Add a cross table, drop the group and measure into the cross table 4.Right click on measure in cross table and select Show/Hide Measure 5.Untick the measure and press OK Actual result: The measure binding column has not removed. When preview it will pop up an error. Exception result: Remove the binding column
xtab/org.eclipse.birt.report.item.crosstab.ui/src/org/eclipse/birt/report/item/crosstab/internal/ui/editors/model/CrosstabAdaptUtil.java
* @param measureHandle
	 * @return
	 */
	public static ComputedColumn createComputedColumn( ReportItemHandle owner,
			MeasureHandle measureHandle )
	{
		ComputedColumn bindingColumn = StructureFactory.newComputedColumn( owner,
				measureHandle.getName( ) );
		
		
		bindingColumn.setDataType( measureHandle.getDataType( ) );
		bindingColumn.setExpression( DEUtil.getExpression( measureHandle ) );
		return bindingColumn;
	}
	/**
	 * Find the position of the element. If the element is null, the position is
	 * last
	 * 
	 * @param parent
	 * @param element
	 * @return position
	 */
	public static int findInsertPosition( DesignElementHandle parent,
			DesignElementHandle element )
	{
		
		if ( element == null )
		{
			return parent.getContentCount( DEUtil.getDefaultContentName( parent ) );
		}