Bug 135497 Data Type is not correct when "Generate All" for Data item
Description: Create a sample datasource and dataset. Insert a data into layout, bind with the dataset.Click "Generate All" to get the Data Binding columns, but the displayed data type is not consistent with the actual one.
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/internal/ui/editors/schematic/tools/ReportCreationTool.java
public void performCreation( EditPart editPart )
	{
		if ( editPart == null )
			return;
		setTargetEditPart( editPart );
		boolean validateCurr = handleValidatePalette( getFactory( ).getObjectType( ),
				getTargetEditPart( ) );
		if ( !validateCurr )
		{
			
			setTargetEditPart( editPart.getParent( ) );
		}
		if ( validateCurr
				|| handleValidatePalette( getFactory( ).getObjectType( ),
						getTargetEditPart( ) ) )
		{
			
			IFigure figure = ( (GraphicalEditPart) editPart ).getFigure( );
			Rectangle rect = figure.getBounds( ).getCopy( );
			figure.translateToAbsolute( rect );
			Point point = rect.getRight( );
			point.performTranslate( 1, 1 );
			getCreateRequest( ).setLocation( point );
			setCurrentCommand( getCommand( ) );
			performCreation( MOUSE_BUTTON1 );
		}
		eraseTargetFeedback( );
	}
	/*
	 * Add the newly created object to the viewer's selected objects.