From de87c1f97af44b109910f625ef63c154a35b1f3c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=BCrg=20Lehni?= <juerg@scratchdisk.com>
Date: Thu, 7 Jul 2011 22:14:09 +0200
Subject: [PATCH] Define a bit of code that names all our class constructors
 based on the property name under which they were stored, and use that in
 Item#toString().

---
 src/item/Item.js | 6 +++++-
 src/load.js      | 9 +++++++++
 src/paper.js     | 9 +++++++++
 3 files changed, 23 insertions(+), 1 deletion(-)

diff --git a/src/item/Item.js b/src/item/Item.js
index b1cca192..dd81967c 100644
--- a/src/item/Item.js
+++ b/src/item/Item.js
@@ -1589,7 +1589,11 @@ var Item = this.Item = Base.extend(/** @lends Item# */{
 		},
 	*/
 
-	// TODO: toString
+	toString: function() {
+		return (this.constructor._name || 'Item') + (this._name
+				? " '" + this._name + "'"
+				: ' @' + this._id);
+	},
 
 	statics: {
 		drawSelectedBounds: function(bounds, ctx, matrix) {
diff --git a/src/load.js b/src/load.js
index c4dcbcb9..5e64759a 100644
--- a/src/load.js
+++ b/src/load.js
@@ -129,3 +129,12 @@ for (var i = 0; i < sources.length; i++) {
 			+ sources[i] + '"></script>');
 }
 
+// Append a bit of code that names our classes.
+// See src/paper.js for an in-depth explanation.
+document.write('<script type="text/javascript">\
+Base.each(this, function(val, key) {\
+	if (val && val.prototype instanceof Base)\
+		val._name = key;\
+});\
+</script>');
+
diff --git a/src/paper.js b/src/paper.js
index 08d95656..60994a56 100644
--- a/src/paper.js
+++ b/src/paper.js
@@ -122,6 +122,15 @@ var paper = new function() {
 
 //#include "core/PaperScript.js"
 
+// Iterate over all proced Base classes and set the _name property of their
+// constructors to the key under which they are stored. This is a simple hack
+// that allow us to use their names.
+// Setting Function#name is not possible, as that is read-only.
+Base.each(this, function(val, key) {
+	if (val && val.prototype instanceof Base)
+		val._name = key;
+});
+
 // Finally inject the classes set on 'this' into the PaperScope class and create
 // the first PaperScope and return it, all in one statement.
 return new (PaperScope.inject(this));