Bug 200483 The fx button of aggregation builder should be also disable if it share bindings from other aggregation[0005]
Description: The fx button of aggregation builder should be also disable if it share bindings from other aggregation[0005] Build number: 2.2.1.v20070820-0630 Steps to reproduce: 1, New a table1 based on dataset and has a aggregation binding 2, New a table share table1's result set 3, Drag a aggregation to table2's footer row area 4, Try to modify the expression Expected result: The expression button should be disable. Actual result: The expression can be edit but can not save, so the button should be disable
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/internal/ui/dialogs/BindingDialogHelper.java
txtFilter.setText( binding.getFilterExpression( ) );
		}
	}
	private void initFunction( )
	{
		cmbFunction.setItems( getFunctionDisplayNames( ) );
		
		if ( binding == null )
		{
			cmbFunction.select( 0 );
			handleFunctionSelectEvent( );
			return;
		}
		String functionString = getFunctionDisplayName( binding.getAggregateFunction( ) );
		int itemIndex = getItemIndex( getFunctionDisplayNames( ),
				functionString );
		cmbFunction.select( itemIndex );
		handleFunctionSelectEvent( );
		
		
		for ( Iterator iterator = binding.argumentsIterator( ); iterator.hasNext( ); )
		{
			AggregationArgumentHandle arg = (AggregationArgumentHandle) iterator.next( );
			String argDisplayName = getArgumentDisplayNameByName( binding.getAggregateFunction( ),
					arg.getName( ) );
			if ( argsMap.containsKey( argDisplayName ) )
			{
				if ( arg.getValue( ) != null )
				{
					Text txtArg = (Text) argsMap.get( argDisplayName );