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
* @param prop
	 * @param value
	 * @throws SemanticException
	 */
	private void setElementTypeProperty( ElementPropertyDefn prop, Object value )
			throws SemanticException
	{
		ContainerContext context = new ContainerContext( element, prop
				.getName( ) );
		CommandStack stack = getActivityStack( );
		PropertyRecord record = new PropertyRecord( element, prop, value );
		stack.startTrans( record.getLabel( ) );
		ContentCommand cmd = new ContentCommand( module, context );
		List contents = context.getContents( module );
		try
		{
			
			if ( contents != null )
			{
				for ( int i = 0; i < contents.size( ); i++ )
				{
					DesignElement content = (DesignElement) contents.get( i );
					cmd.remove( content );
				}
			}
			
			if ( value instanceof DesignElement )
			{
				cmd.add( (DesignElement) value );
			}