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
return !isErrorFound
				&& PreferenceFactory.getInstance( )
						.getPreferences( ChartReportItemUIActivator.getDefault( ),
								project )
						.getBoolean( ChartReportItemUIActivator.PREFERENCE_ENALBE_LIVE )
				&& ( getReportDataSet( ) != null || getBoundDataSet( ) != null );
	}
	boolean isInvokingSupported( )
	{
		
		
		if ( itemHandle.getDataBindingReference( ) != null )
		{
			return false;
		}
		ReportItemHandle container = DEUtil.getBindingHolder( itemHandle );
		if ( container != null )
		{
			
			return container.getDataBindingReference( ) == null;
		}
		return true;
	}
	private ClassLoader getCustomScriptClassLoader( ClassLoader parent )
	{