From ad1fc2ecc2bef97029728fdead55e835c05edd4f Mon Sep 17 00:00:00 2001
From: juliandescottes <julian.descottes@gmail.com>
Date: Mon, 3 Sep 2012 22:22:24 +0200
Subject: [PATCH] Eraser now inherits from SimplePen. Added a superclass
 property attached in the inherit util

---
 js/drawingtools/Eraser.js | 17 ++---------------
 js/utils.js               |  2 ++
 2 files changed, 4 insertions(+), 15 deletions(-)

diff --git a/js/drawingtools/Eraser.js b/js/drawingtools/Eraser.js
index 51ebebc1..5d70f41a 100644
--- a/js/drawingtools/Eraser.js
+++ b/js/drawingtools/Eraser.js
@@ -11,25 +11,12 @@
 		this.toolId = "tool-eraser";
 	};
 
-	pskl.utils.inherit(ns.Eraser, ns.BaseTool);
+	pskl.utils.inherit(ns.Eraser, ns.SimplePen);
 
 	/**
 	 * @override
 	 */
 	ns.Eraser.prototype.applyToolAt = function(col, row, frame, color, canvas, dpi) {
-		
-		// Change model:
-		frame[col][row] = Constants.TRANSPARENT_COLOR;
-		
-		// Draw on canvas:
-		// TODO: Remove that when we have the centralized redraw loop
-		this.drawPixelInCanvas(col, row, canvas, Constants.TRANSPARENT_COLOR, dpi);
-	};
-
-	/**
-	 * @override
-	 */
-	ns.Eraser.prototype.moveToolAt = function(col, row, frame, color, canvas, dpi) {
-		this.applyToolAt(col, row, frame, color, canvas, dpi);
+		this.superclass.applyToolAt.call(this, col, row, frame, Constants.TRANSPARENT_COLOR, canvas, dpi);
 	};
 })();
\ No newline at end of file
diff --git a/js/utils.js b/js/utils.js
index 42cbbeb6..d5e6fba6 100644
--- a/js/utils.js
+++ b/js/utils.js
@@ -37,6 +37,8 @@ jQuery.namespace = function() {
     ns.inherit = function(extendedObject, inheritFrom) {
         extendedObject.prototype = Object.create(inheritFrom.prototype);
         extendedObject.prototype.constructor = extendedObject;
+        extendedObject.prototype.superclass = inheritFrom.prototype;
+        
         //pskl.ToolBehavior.Eraser.prototype = Object.create(pskl.ToolBehavior.BaseTool.prototype);
         //prototypeskl.ToolBehavior.Eraser.prototype.constructor = pskl.ToolBehavior.Eraser;
     };