// ===========================================================================
// Copyright 2018 Autodesk, Inc. All rights reserved.
//
// Use of this software is subject to the terms of the Autodesk license
// agreement provided at the time of installation or download, or which
// otherwise accompanies this software in either electronic or hard copy form.
// ===========================================================================
//
//
// Creation Date:
//
//  Procedure Name:
//		deleteIfNotReferenced
//
//  Description:
//		Helper proc to attempt to delete nodes but only if
//		they are not locked and if they are not from
//		referenced files.
//
//  Input Arguments: The name of the node to delete
//
//  Return Value:
//		True if the node was deleted, false if not.
//
//
global proc int deleteIfNotReferenced( string $nodeToDelete )
{
	int $result = 0;
	if(( size( $nodeToDelete ) > 0 ) 
	&& `objExists $nodeToDelete`
	&& ! `reference -q -isNodeReferenced $nodeToDelete` )
	{
		int $isLocked[] = `lockNode -q -lock $nodeToDelete`;
		if ( !$isLocked[0] ){

			string $cmd = ("delete \"" + $nodeToDelete + "\"");
			evalEcho( $cmd );
			$result = 1;
		}
	}

	return $result;
}