Refactor duplicate code

src/webui/www/private/scripts/contextmenu.js

@@ -39,7 +39,6 @@ var ContextMenu = new Class({
         menu: 'menu_id',
         stopEvent: true,
         targets: 'body',
-        trigger: 'contextmenu',
         offsets: {
             x: 0,
             y: 0
@@ -142,50 +141,41 @@ var ContextMenu = new Class({
         }
     },
 
+    setupEventListeners: function(elem) {
+        elem.addEvent('contextmenu', function(e) {
+            this.triggerMenu(e, elem);
+        }.bind(this));
+        elem.addEvent('click', function(e) {
+            this.hide();
+        }.bind(this));
+    },
+
     addTarget: function(t) {
         this.targets[this.targets.length] = t;
-        t.addEvent(this.options.trigger, function(e) {
-            //enabled?
-            if (!this.options.disabled) {
+        this.setupEventListeners(t);
+    },
+
+    triggerMenu: function(e, el) {
+        if (this.options.disabled)
+            return;
+
         //prevent default, if told to
         if (this.options.stopEvent) {
             e.stop();
         }
         //record this as the trigger
-                this.options.element = $(t);
+        this.options.element = $(el);
         this.adjustMenuPosition(e);
         //show the menu
         this.show();
-            }
-        }.bind(this));
-        t.addEvent('click', function(e) {
-            this.hide();
-        }.bind(this));
     },
 
     //get things started
     startListener: function() {
         /* all elements */
         this.targets.each(function(el) {
-            /* show the menu */
-            el.addEvent(this.options.trigger, function(e) {
-                //enabled?
-                if (!this.options.disabled) {
-                    //prevent default, if told to
-                    if (this.options.stopEvent) {
-                        e.stop();
-                    }
-                    //record this as the trigger
-                    this.options.element = $(el);
-                    this.adjustMenuPosition(e);
-                    //show the menu
-                    this.show();
-                }
-            }.bind(this));
-            el.addEvent('click', function(e) {
-                this.hide();
-            }.bind(this));
-        }, this);
+            this.setupEventListeners(el);
+        }.bind(this), this);
 
         /* menu items */
         this.menu.getElements('a').each(function(item) {