diff -r 67f3a24a7c01 -r fa8035885814 client/js/renderer/edgerevertbutton.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/client/js/renderer/edgerevertbutton.js	Mon May 05 17:43:37 2014 +0200
@@ -0,0 +1,30 @@
+"use strict";
+
+define(['jquery', 'underscore', 'requtils', 'renderer/basebutton'], function ($, _, requtils, BaseButton) {
+    
+    var Utils = requtils.getUtils();
+
+    /* EdgeRevertButton Begin */
+
+    //var EdgeRevertButton = Renderer.EdgeRevertButton = Utils.inherit(Renderer._BaseButton);
+    var EdgeRevertButton = Utils.inherit(BaseButton);
+
+    _(EdgeRevertButton.prototype).extend({
+        _init: function() {
+            this.type = "Edge-revert-button";
+            this.sector = this.renderer.drawSector(this, Utils._EDGE_BUTTON_INNER, Utils._EDGE_BUTTON_OUTER, -135, 135, 1, "revert", this.renkan.translate("Cancel deletion"));
+        },
+        mouseup: function() {
+            this.renderer.click_target = null;
+            this.renderer.is_dragging = false;
+            if (this.renderer.isEditable()) {
+                this.source_representation.model.unset("delete_scheduled");
+            }
+        }
+    });
+
+    /* EdgeRevertButton End */
+    
+    return EdgeRevertButton;
+
+});
\ No newline at end of file