Bug 188829 Move the item ,the trans of the model don't close.
1:New report design. 2:Add a Embedded image. 3:Add another imge , then drag the second imge to the first position. 4:Change the size of the first image. Expected: Image change the size. Now: Image size don't change.
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/command/ContentCommand.java
nameCmd.dropElement( );
		}
		
		List propertyBindings = module.getPropertyBindings( content );
		for ( int i = 0; i < propertyBindings.size( ); i++ )
		{
			PropertyBinding propBinding = (PropertyBinding) propertyBindings
					.get( i );
			ElementPropertyDefn propDefn = module
					.getPropertyDefn( IModuleModel.PROPERTY_BINDINGS_PROP );
			ComplexPropertyCommand propCommand = new ComplexPropertyCommand(
					module, module );
			propCommand.removeItem( new CachedMemberRef( propDefn ),
					propBinding );
		}
		handleRemovingElement( content );
	}
	/**
	 * Special operations when removing the content.
	 * 
	 * @param content
	 *            the design element
	 */
	private void handleRemovingElement( DesignElement content )
	{
		
		if ( content instanceof GroupElement )
		{
			ListingElement tmpContainer = (ListingElement) element;
			List boundColumns = tmpContainer.getListProperty( module,