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/ChartReportItemBuilderImpl.java
}
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.birt.chart.ui.swt.interfaces.IUIServiceProvider#invoke(int,
	 *      java.lang.String, java.lang.Object, java.lang.String)
	 */
	public String invoke( int command, String value, final Object context,
			String sTitle ) throws ChartException
	{
		final ExpressionProvider ep = new ChartExpressionProvider( (ExtendedItemHandle) context,
				getExpressionBuilderStyle( command ) );
		Shell shell = null;
		switch ( command )
		{
			case COMMAND_HYPERLINK :
			case COMMAND_HYPERLINK_DATAPOINTS :
				shell = new Shell( Display.getDefault( ), SWT.DIALOG_TRIM
						| SWT.RESIZE | SWT.APPLICATION_MODAL );
				ChartUIUtil.bindHelp( shell,
						ChartHelpContextIds.DIALOG_EDIT_URL );
				HyperlinkBuilder hb = new HyperlinkBuilder( shell, true ) {
					protected void configureExpressionBuilder(
							ExpressionBuilder builder )
					{
						builder.setExpressionProvier( ep );
					}
				};
				try