Bug 198504 The same name aggregation should be hint in dialog[0001]
Description: The same name aggregation should be hint in dialog[0001] Step: 1.New a datasource, dataset, table and binding the dataset. 2.New a aggregation column binding on table named aggr1. 3.Drop a aggregation item into table and set the named as aggr1. 4.Click OK Actual result: Pop up an error message said that the name is exist. Expected result: It can hint in dialog when input the same name, but pop up an error dialog
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/internal/ui/dialogs/BindingDialogHelper.java
{
				if ( arg.getValue( ) != null )
				{
					Text txtArg = (Text) argsMap.get( argDisplayName );
					txtArg.setText( arg.getValue( ) );
				}
			}
		}
	}
	private String[] getFunctionDisplayNames( )
	{
		
		
		
		
		
		
		
		IChoice[] choices = getFunctions( );
		if ( choices == null )
			return new String[0];
		String[] displayNames = new String[choices.length];
		for ( int i = 0; i < choices.length; i++ )
		{
			displayNames[i] = choices[i].getDisplayName( );
		}
		return displayNames;
	}
	private String getFunctionByDisplayName( String displayName )
	{