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
ChartAdapter.ignoreNotifications( true );
		try
		{
			createHeadArea( );
			new Label( cmpTask, SWT.NONE );
			createDataSetArea( cmpTask );
			new Label( cmpTask, SWT.NONE );
			new Label( cmpTask, SWT.NONE );
			createDataPreviewTableArea( cmpTask );
			createDataPreviewButtonArea( cmpTask );
			new Label( cmpTask, SWT.NONE );
			Label description = new Label( cmpTask, SWT.WRAP );
			{
				GridData gd = new GridData( );
				gd.widthHint = CENTER_WIDTH_HINT;
				description.setLayoutData( gd );
				description.setText( Messages.getString( "TaskSelectData.Label.ToBindADataColumn" ) ); 
			}
			new Label( cmpTask, SWT.NONE );
		}
		finally
		{
			
			
			ChartAdapter.ignoreNotifications( false );
		}
	}
	private void createHeadArea( )
	{
		{