Erase all button on menu

client-data/board.html

@@ -90,6 +90,7 @@
 	<script src="../js/minitpl.js"></script>
 	<script src="../js/board.js"></script>
 	<script src="../tools/pencil/wbo_pencil_point.js"></script>
+	<script src="../tools/new/new.js"></script>
 	<script src="../tools/pencil/pencil.js"></script>
 	<script src="../tools/cursor/cursor.js"></script>
 	<script src="../tools/line/line.js"></script>

client-data/tools/new/new.js

@@ -0,0 +1,60 @@
+/**
+ *                        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 grid() {
+    // when new button clicks then calls this function
+    function btnClickHandler() {
+        Tools.socket.emit('broadcast', {
+            board: Tools.boardName,
+            data : {
+                tool : "New",
+                type : "deleteall"
+            }
+        });
+        Tools.drawingArea.innerHTML = '';
+    }
+
+    // this is callback handler from socket
+    function eraseAll(data) {
+		switch (data.type) {
+			case "deleteall":
+                Tools.drawingArea.innerHTML = '';
+				break;
+		}
+    }
+
+    Tools.add({
+        "name": "New",
+        "shortcut": "n",
+        "listeners": {},
+        "icon": "tools/new/new.svg",
+        "oneTouch": true,
+        "onstart": btnClickHandler,
+        "draw": eraseAll,
+        "mouseCursor": "crosshair",
+    });
+
+})(); 

server/boardData.js

@@ -97,6 +97,14 @@ BoardData.prototype.delete = function (id) {
 	this.delaySave();
 };
 
+/** Removes all data from the board
+ */
+BoardData.prototype.deleteall = function () {
+	//KISS
+	this.board = [];
+	this.delaySave();
+};
+
 /** Reads data from the board
  * @param {string} id - Identifier of the element to get.
  * @returns {object} The element with the given id, or undefined if no element has this id

server/sockets.js

@@ -143,6 +143,9 @@ async function saveHistory(boardName, message) {
 		case "delete":
 			if (id) board.delete(id);
 			break;
+		case "deleteall":
+			board.deleteall();
+			break;
 		case "update":
 			if (id) board.update(id, message);
 			break;