Bug 140620 Chart scripting errors are ignored
Write a chart with an invalid script, the execution simply ignores the script. This makes it difficult to debug scripting. The error message is also not precise and needs improvements.
chart/org.eclipse.birt.chart.ui.extension/src/org/eclipse/birt/chart/ui/swt/wizard/TaskSelectData.java
{
		HeaderShowAction( )
		{
			super( tablePreview.getCurrentColumnHeading( ) );
			setEnabled( false );
		}
	}
	public void handleEvent( Event event )
	{
		if ( event.type == CustomPreviewTable.MOUSE_RIGHT_CLICK_TYPE
				&& ( getDataServiceProvider( ).getBoundDataSet( ) != null || getDataServiceProvider( ).getReportDataSet( ) != null ) )
		{
			MenuManager menuManager = new MenuManager( );
			menuManager.setRemoveAllWhenShown( true );
			menuManager.addMenuListener( new IMenuListener( ) {
				public void menuAboutToShow( IMenuManager manager )
				{
					addMenu( manager, new HeaderShowAction( ) );
					addMenu( manager, getBaseSeriesMenu( getChartModel( ) ) );
					addMenu( manager,
							getOrthogonalSeriesMenu( getChartModel( ) ) );
					addMenu( manager, getGroupSeriesMenu( getChartModel( ) ) );
					
				}