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
/**
	 * fill the cmbDataField with binding holder's bindings
	 */
	private void initDataFields( )
	{
		cmbDataField.setItems( getColumnBindings( ) );
		if ( binding != null && binding.getExpression( ) != null )
		{
			cmbDataField.setText( binding.getExpression( ) );
		}
	}
	private String[] getColumnBindings( )
	{
		List elementsList = DEUtil.getVisiableColumnBindingsList( getBindingHolder( ) );
		String[] bindings = new String[elementsList.size( )];
		for ( int i = 0; i < bindings.length; i++ )
		{
			bindings[i] = ( (ComputedColumnHandle) elementsList.get( i ) ).getName( );
		}
		return bindings;
	}
	private void initGroups( )
	{
		String[] groups = getGroups( );
		if ( groups.length > 0 )
		{
			cmbGroup.setItems( groups );
			if ( binding != null && binding.getAggregateOn( ) != null )
			{
				btnGroup.setSelection( true );