Add an eraser tool.

client-data/board.html

@@ -44,6 +44,7 @@
 <script type="text/javascript" src="js/board.js"></script>
 <script type="text/javascript" src="tools/pencil/pencil.js"></script>
 <script type="text/javascript" src="tools/text/text.js"></script>
+<script type="text/javascript" src="tools/eraser/eraser.js"></script>
 <script type="text/javascript" src="tools/hand/hand.js"></script>
 </body>
 </html>

client-data/tools/eraser/eraser.js

@@ -0,0 +1,79 @@
+/**
+ *                        WHITEBOPHIR
+ *********************************************************
+ * @licstart  The following is the entire license notice for the 
+ *  JavaScript code in this page.
+ *
+ * Copyright (C) 2013  Ophir LOJKINE
+ *
+ *
+ * The JavaScript code in this page is free software: you can
+ * redistribute it and/or modify it under the terms of the GNU
+ * General Public License (GNU GPL) as published by the Free Software
+ * Foundation, either version 3 of the License, or (at your option)
+ * any later version.  The code is distributed WITHOUT ANY WARRANTY;
+ * without even the implied warranty of MERCHANTABILITY or FITNESS
+ * FOR A PARTICULAR PURPOSE.  See the GNU GPL for more details.
+ *
+ * As additional permission under GNU GPL version 3 section 7, you
+ * may distribute non-source (e.g., minimized or compacted) forms of
+ * that code without the copy of the GNU GPL normally required by
+ * section 4, provided you include this license notice and a URL
+ * through which recipients can access the Corresponding Source.
+ *
+ * @licend
+ */
+ 
+(function eraser (){ //Code isolation
+
+	var erasing = false;
+
+	function startErasing () {
+		erasing = true;
+	}
+
+	var msg = {
+		"type" : "delete",
+		"id" : ""
+	};
+	function erase (x,y, evt){
+		/*evt.target is the element over which the mouse is.*/
+		if (erasing && evt.target !== Tools.svg) {
+			msg.id = evt.target.id;
+			Tools.drawAndSend(msg);
+		}
+	}
+
+	function stopErasing (){
+		erasing = false;
+	}
+
+	var renderingLine = {};
+	function draw(data) {
+		switch(data.type) {
+			//TODO: add the ability to erase only some points in a line
+			case "delete":
+				elem = svg.getElementById(data.id);
+				if (elem === null) console.error("Eraser: Tried to delete an element that does not exist.");
+				else svg.removeChild(elem);
+				break;
+			default:
+				console.error("Eraser: 'delete' instruction with unknown type. ", data);
+				break;
+		}
+	}
+
+	var svg = Tools.svg;
+
+	Tools.add({ //The new tool
+	 	"name" : "Eraser",
+	 	"listeners" : {
+	 		"press" : startErasing,
+	 		"move" : erase,
+	  		"release" : stopErasing,
+	 	},
+	 	"draw" : draw,
+	 	"mouseCursor" : "crosshair",
+	});
+
+})(); //End of code isolation

package.json

@@ -3,10 +3,11 @@
       "collaborative",
       "whiteboard"
    ],
-   "version": "0.1.0-38",
+   "version": "0.1.0-40",
    "dependencies": {
       "node-static": "0.7.x",
-      "socket.io": "0.9.x"
+      "socket.io": "0.9.x",
+      "mongodb": "1.3.x"
    },
    "scripts": {
       "start": "node ./server/server.js"
@@ -16,6 +17,10 @@
    "main": "./server/server.js",
    "subdomain": "wbo",
    "engines": {
-      "node": "0.10.x"
-   }
+     "node": "0.10.x"
+   },
+  "repository" : {
+    "type" : "git",
+    "url" : "http://github.com/lovasoa/whitebophir.git"
+  }
 }