// ===========================================================================
// 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.
// ===========================================================================
//
// polyCreaseCallback is used by polyCreaseCtx context
//
// input
//		tool:	calling context
//		action: "press", or "release" 
//

global proc polyCreaseCallback(string $tool, string $action)
{
	global string $savePolySelectConstraintState;

	if($action == "press") {
		// initialize selection constraint
		$savePolySelectConstraintState = `polySelectConstraint -q -stateString`;
		int $extendCrease = `polyCreaseCtx -q -extendSelection $tool`;
		polySelectConstraint -shell off -border off -crease $extendCrease;
		
	} else if($action == "release") {
		// restore selection constraint
		eval $savePolySelectConstraintState;
	
	} else {
		// Report invalid action
		error((uiRes("m_polyCreaseCallback.kInvalidActionParam")));
	}
}