Bug 121864 Report element can't be deleted
Description: Report element can't be deleted Steps to reproduce: 1.Open the attached design file 2.Delete the table/parameters/dataset/datasource Expected result: The element can be deleted Actual result: They can't be deleted
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/command/ContentCommand.java
|| propDefn.getTypeCode( ) == PropertyType.STRUCT_REF_TYPE )
			{
				Object value = element.getLocalProperty( module,
						(ElementPropertyDefn) propDefn );
				if ( value != null )
				{
					if ( ( value instanceof StructRefValue )
							|| ( (ElementRefValue) value ).isResolved( ) )
					{
						try
						{
							
							
							PropertyCommand cmd = new PropertyCommand( module,
									element );
							cmd.setProperty( propDefn.getName( ), null );
						}
						catch ( SemanticException e )
						{
							assert false;
						}
					}
				}
			}
		}
	}
	/**
	 * Deletes user properties. This will also remove property values from this
	 * element and derived elements.
	 *