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
return ( (ChartWizardContext) getContext( ) ).getDataServiceProvider( );
	}
	public void widgetDefaultSelected( SelectionEvent e )
	{
	}
	private boolean hasDataSet( )
	{
		return getDataServiceProvider( ).getReportDataSet( ) != null
				|| getDataServiceProvider( ).getBoundDataSet( ) != null;
	}
	public void widgetDisposed( DisposeEvent e )
	{
		super.dispose( );
		
		cmpTask = null;
		previewPainter.dispose( );
		previewPainter = null;
		dynamicArea.dispose( );
		dynamicArea = null;
		
		
		ColorPalette.getInstance( ).restore( );
		
		DataDefinitionTextManager.getInstance( ).removeAll( );
	}
	private ISelectDataCustomizeUI getCustomizeUI( )
	{
		return dynamicArea;
	}
	class CategoryXAxisAction extends Action