Bug 143126 [Regression]Insert chart into table group header, preview, incorrectly.
Insert chart into table group header, preview, incorrectly. Steps: 1.Insert a table 2.Create a group for the table 3.Insert chart into group header, inherit table's data set 4.preivew Actual Results: 1.Chart datas are incorrectly Expected Results: 1.Chart can be previewed correctly.
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/internal/ui/editors/schematic/editparts/DataEditPart.java
* Popup the builder for Data element
	 */
	public void performDirectEdit( )
	{
		DataItemHandle handle = (DataItemHandle) getModel( );
		handle.getModuleHandle( ).getCommandStack( ).startTrans( null );
		ColumnBindingDialog dialog = new ColumnBindingDialog( true );
		dialog.setInput( handle );
		if ( dialog.open( ) == Dialog.OK )
		{
			handle.getModuleHandle( ).getCommandStack( ).commit( );
			refreshVisuals( );
		}
		else
		{
			handle.getModuleHandle( ).getCommandStack( ).rollbackAll( );
		}
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.birt.report.designer.internal.ui.editors.schematic.editparts.ReportElementEditPart#refreshFigure()
	 */
	public void refreshFigure( )
	{
		super.refreshFigure( );
		( (LabelFigure) getFigure( ) ).setToolTipText( ( (DataItemHandle) getModel( ) ).getResultSetColumn() );
	}
	/*
	 * (non-Javadoc)