// ===========================================================================
// 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:  May 2000 
//
//  Procedure Name:
//      artAttrInitPaintableAttr	
//
//  Description:
//		Initializes the paintable attribute.
//
//  Return Value:
//      0 - if the selection failed.
//      1 - if the selection succeded.
//

proc int artAttrFindAllPaintableAttr()
{
	string $artCmd = "artAttrCtx";

	string $attr = "";
	string $cmd = $artCmd + " -q -objattrArray " + `currentCtx`;
	string $paintAttr = `eval $cmd`;
	string $ListPaintableItem[];
	tokenize( $paintAttr, " ", $ListPaintableItem );
	if (size($ListPaintableItem) < 1) {
		return 0;
	}

	for ($paintableItem in $ListPaintableItem) {
		string $buf[];
		tokenize($paintableItem, ".", $buf);
		if (size($buf) < 3) {
			continue;
		}

		// For paint vertex color tool we are interested in 
		// only vertexColorRGB and vertexFaceColorRGB attributes.
		// So update the paintable array with only those nodes
		if( $buf[2] != "vertexFaceColorRGB" && $buf[2] != "vertexColorRGB") {
			// skip other attributes
			continue ;
		}

		$attr = $buf[0] + "." + $buf[1] + "." + $buf[2];
		string $isPaintableCmd = "makePaintable -q " + $buf[0] + " " + $buf[2];

		int $isPaintable[] = eval($isPaintableCmd);
		if (size($isPaintable) < 1) {
			continue;
		}

		if ($isPaintable[0]) {
			//artAttrSelected( $artCmd, $attr );

			//interactive update required
			string $cmd = $artCmd + " -interactiveUpdate true " ;

			// Notify the context about the change.
			$cmd = ($cmd + " -e -pas \"" + $attr + "\" `currentCtx`");
			eval( $cmd );	

		}
	}

	return 0 ;

}

global proc int artPaintVertexInitPaintableAttr() 
{
	source "artAttrCallback.mel";

	artAttrSyncCurrentAttribute();

	return artAttrFindAllPaintableAttr() ;
}