Bug 200478 Name of date/time group level issue[1101]
Description: Name of date/time group level issue[1101] Step: 1. New a sample datasource and dataset from orders. 2. New a data cube and binding to the dataset. 3. Drop the column of "ORDERDATE" to group and select the year type. At this time, the name of group level is "year(ORDERDATE: DateTime)" 4. Edit the the group level. 5. Change the type as month. Actual result: The name of group level is "year(ORDERDATE: DateTime, DateTime)" Expected result: The name of group level is "year(ORDERDATE: DateTime)"
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/command/PropertyCommand.java
Object oldValue = element.getLocalProperty( module, prop );
		if ( oldValue == null && value == null )
			return;
		if ( oldValue != null && value != null && oldValue.equals( value ) )
			return;
		
		if ( element instanceof ExtendedItem )
		{
			ExtendedItem extendedItem = ( (ExtendedItem) element );
			
			
			if ( extendedItem.isExtensionModelProperty( prop.getName( ) ) ||
					prop.isUseOwnModel( ) )
			{
				IReportItem extElement = extendedItem.getExtendedElement( );
				if ( extElement == null )
					return;
				extElement.checkProperty( prop.getName( ), value );
				extElement.setProperty( prop.getName( ), value );
				return;
			}
		}
		if ( element instanceof Level &&
				prop.getName( ).equals( ILevelModel.DATE_TIME_LEVEL_TYPE ) &&
				value != null )
		{
			ActivityStack stack = getActivityStack( );
			PropertyRecord record = new PropertyRecord( element, prop, value );
			record.setEventTarget( getEventTarget( prop ) );