Bug 214577 Support cube filter in chart
For chart consuming cube, need to support filtering on categories or series, possibly on values if time allows. The UI is similar to the filter dialog for cross tab, but there should be no measure or dimension concepts in chart's dialog.
chart/org.eclipse.birt.chart.reportitem.ui/src/org/eclipse/birt/chart/reportitem/ui/StandardChartDataSheet.java
GridData gridData = new GridData( GridData.FILL_HORIZONTAL );
			btnBinding.setLayoutData( gridData );
			btnBinding.setText( Messages.getString( "StandardChartDataSheet.Label.DataBinding" ) ); 
			btnBinding.addListener( SWT.Selection, this );
		}
		setEnabledForButtons( );
		return composite;
	}
	private void setEnabledForButtons( )
	{
		btnNewData.setEnabled( btnUseDataSet.getSelection( )
				&& getDataServiceProvider( ).isInvokingSupported( ) );
		btnFilters.setEnabled( hasDataSet( )
				&& getDataServiceProvider( ).isInvokingSupported( ) );
		
		
		btnParameters.setEnabled( getDataServiceProvider( ).getBoundDataSet( ) != null
				&& getDataServiceProvider( ).isInvokingSupported( ) );
		btnBinding.setEnabled( hasDataSet( )
				&& getDataServiceProvider( ).isInvokingSupported( ) );
	}
	private boolean hasDataSet( )
	{
		return getDataServiceProvider( ).getReportDataSet( ) != null
				|| getDataServiceProvider( ).getBoundDataSet( ) != null;
	}
	void fireEvent( Widget widget, int eventType )
	{
		Event event = new Event( );
		event.data = this;