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
public TaskSelectData( )
	{
		super( Messages.getString( "TaskSelectData.TaskExp" ) ); 
	}
	public String getDescription( ULocale locale )
	{
		return Messages.getString( "TaskSelectData.Task.Description" ); 
	}
	public Composite getUI( Composite parent )
	{
		if ( cmpTask == null || cmpTask.isDisposed( ) )
		{
			cmpTask = new Composite( parent, SWT.NONE );
			GridLayout gridLayout = new GridLayout( 3, false );
			gridLayout.marginWidth = 10;
			gridLayout.marginHeight = 10;
			cmpTask.setLayout( gridLayout );
			cmpTask.setLayoutData( new GridData( GridData.GRAB_HORIZONTAL
					| GridData.GRAB_VERTICAL ) );
			cmpTask.addDisposeListener( this );
			dynamicArea = new SelectDataDynamicArea( this );
			getCustomizeUI( ).init( );
			placeComponents( );
			createPreviewPainter( );
			init( );
		}
		else
		{
			customizeUI( );
		}