// ===========================================================================
// 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.
// ===========================================================================
global proc normalizeCurves (string $animCurveEd)
{
	
	string $selection[] = `ls -selection`;

	string $curves[] = `keyframe -query -name`;
	if (size($curves) == 0)
	{				
		$curves = `animCurveEditor -query -curvesShown $animCurveEd`;
	}
	
	string $curve;
	
	float $selectedKeys[] = `keyframe -query -selected`;
	string $keysOnCurves[];
		
	if (size($selectedKeys) > 0)
	{
		for ($curve in $curves)
		{	
			float $keys[] = `keyframe -query -selected $curve`;
			
			if (size($keys) > 0)
			{
				string $keySelection = "";

				float $key;
				for ($key in $keys)
				{
					$keySelection += " -t ";
					$keySelection += $key;
				}
				
				$keySelection += (" " + $curve);

				$keysOnCurves[size($keysOnCurves)] = $keySelection;
			}
		}
	}
	
	for ($curve in $curves)
	{
		normalizeCurve($curve);
	}

	select -replace $selection;
	
	string $keysOnCurve;
	
	for ($keysOnCurve in $keysOnCurves)
	{
		string $cmd = ("selectKey -add " + $keysOnCurve);	
		eval($cmd);
	}
}