Bug 214572 Implement IAggregationCellViewProvider for crosstab/chart integration
This interface implements the model logic for the designer UI, when the users design a crosstab with charts. Note that it is independent from the multi-view feature. /** * Return the name of this view */ String getViewName( ); // this should simply return "chart" /** * Returns if the given aggregation cell matches this view */ boolean matchView( AggregationCellHandle cell ); Returns true if chart is supported in this type of aggregation cell /** * Switches given aggregation cell to this view */ void switchView( AggregationCellHandle cell ); create a chart inside the aggregation cell (and remove the data elements). This method is called when the UI tries to switch the cell contents from data element to chart. /** * Restores given aggregation cell to previous view */ void restoreView( AggregationCellHandle cell );
chart/org.eclipse.birt.chart.reportitem.ui/src/org/eclipse/birt/chart/reportitem/ui/ReportDataServiceProvider.java
generateBindings( );
			}
		}
		catch ( SemanticException e )
		{
			ChartWizard.showException( e.getLocalizedMessage( ) );
		}
	}
	private void clearBindings( ) throws SemanticException
	{
		itemHandle.getPropertyHandle( ReportItemHandle.PARAM_BINDINGS_PROP )
				.clearValue( );
		itemHandle.getPropertyHandle( ExtendedItemHandle.FILTER_PROP )
				.clearValue( );
		itemHandle.getColumnBindings( ).clearValue( );
	}
	private void generateBindings( ) throws SemanticException
	{
		List columnList = generateComputedColumns( itemHandle );
		if ( columnList.size( ) > 0 )
		{
			for ( Iterator iter = columnList.iterator( ); iter.hasNext( ); )
			{
				DEUtil.addColumn( itemHandle,
						(ComputedColumn) iter.next( ),
						false );
			}
		}
	}