Bug 142432 MasterPage from library can't be restored to modify
Details: MasterPage from library can't be restored to modify Step: 1.New a library named lib1, and insert a masterpage named lib-mp. 2.Publish the library into resource folder. 3.New a report design and use lib1. 4.Drop the lib-mp from library explorer into outline of report design. 5.Double click lib-mp, and switch to Property editro tab. 6.Click restore. Actual result: Pop up an error message and said that the master page cannot specify size the page type is not custom.
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/api/DesignElementHandle.java
if ( value == null && binding != null )
		{
			
			cmd.removeItem( new CachedMemberRef( defn ), bindingList
					.indexOf( binding ) );
		}
		else
		{
			/*
			 * If the property has no binding related to, adds a new binding
			 * item into the structure list.
			 */
			if ( binding == null )
			{
				binding = new PropertyBinding( );
				binding.setName( propName );
				binding.setID( getID( ) );
				binding.setValue( value );
				cmd.addItem( new CachedMemberRef( defn ), binding );
			}
			else
			{
				
				MemberRef memberRef = new CachedMemberRef( defn, bindingList
						.indexOf( binding ), PropertyBinding.VALUE_MEMBER );
				cmd.setMember( memberRef, value );
			}
		}
	}
}