text: /**
   * @author dforrer / https://github.com/dforrer
   * Developed as part of a project at University of Applied Sciences and Arts Northwestern Switzerland (www.fhnw.ch)
   */
  
  /**
   * @param editor Editor
   * @param object THREE.Object3D
   * @param newMaterial THREE.Material
   * @constructor
   */
  
  var SetMaterialCommand = function ( editor, object, newMaterial, materialSlot ) {
  
  	Command.call( this, editor );
  
  	this.type = 'SetMaterialCommand';
  	this.name = 'New Material';
  
  	this.object = object;
  	this.materialSlot = materialSlot;
  
  	this.oldMaterial = this.editor.getObjectMaterial( object, materialSlot );
  	this.newMaterial = newMaterial;
  
  };
  
  SetMaterialCommand.prototype = {
  
  	execute: function () {
  
  		this.editor.setObjectMaterial( this.object, this.materialSlot, this.newMaterial );
  		this.editor.signals.materialChanged.dispatch( this.newMaterial );
  
  	},
  
  	undo: function () {
  
  		this.editor.setObjectMaterial( this.object, this.materialSlot, this.oldMaterial );
  		this.editor.signals.materialChanged.dispatch( this.oldMaterial );
  
  	},
  
  	toJSON: function () {
  
  		var output = Command.prototype.toJSON.call( this );
  
  		output.objectUuid = this.object.uuid;
  		output.oldMaterial = this.oldMaterial.toJSON();
  		output.newMaterial = this.newMaterial.toJSON();
  
  		return output;
  
  	},
  
  	fromJSON: function ( json ) {
  
  		Command.prototype.fromJSON.call( this, json );
  
  		this.object = this.editor.objectByUuid( json.objectUuid );
  		this.oldMaterial = parseMaterial( json.oldMaterial );
  		this.newMaterial = parseMaterial( json.newMaterial );
  
  		function parseMaterial ( json ) {
  
  			var loader = new THREE.ObjectLoader();
  			var images = loader.parseImages( json.images );
  			var textures  = loader.parseTextures( json.textures, images );
  			var materials = loader.parseMaterials( [ json ], textures );
  			return materials[ json.uuid ];
  
  		}
  
  	}
  
  };
  