Fix issues with js eventmanager. refs #2046

Fix plugin methods not being available when enabled until refresh. refs #2125

deluge/ui/web/js/deluge-all/Client.js

@@ -69,9 +69,6 @@ Ext.ux.util.RpcClient = Ext.extend(Ext.util.Observable, {
     },
 
     reloadMethods: function() {
-        Ext.each(this._components, function(component) {
-            delete this[component];
-        }, this);
         this._execute('system.listMethods', {
             success: this._setMethods,
             scope: this
@@ -188,7 +185,11 @@ Ext.ux.util.RpcClient = Ext.extend(Ext.util.Observable, {
         for (var name in components) {
             self[name] = components[name];
         }
-        
+        Ext.each(this._components, function(component) {
+            if (!component in components) {
+                delete this[component];
+            }
+        }, this);
         this._components = Ext.keys(components);
         this.fireEvent('connected', this);
     }

deluge/ui/web/js/deluge-all/EventsManager.js

@@ -91,13 +91,15 @@ Deluge.EventsManager = Ext.extend(Ext.util.Observable, {
     },
 
     onGetEventsSuccess: function(events) {
-        if (!events) return;
-        Ext.each(events, function(event) {
-            var name = event[0], args = event[1];
-            args.splice(0, 0, name);
-            this.fireEvent.apply(this, args);
-        }, this);
-        if (this.running) this.getEvents();
+        if (!this.running) return;
+        if (events) {
+            Ext.each(events, function(event) {
+                var name = event[0], args = event[1];
+                args.splice(0, 0, name);
+                this.fireEvent.apply(this, args);
+            }, this);
+        }
+        this.getEvents();
     },
 
     // private

deluge/ui/web/js/deluge-all/Plugin.js

@@ -76,6 +76,7 @@ Deluge.Plugin = Ext.extend(Ext.util.Observable, {
      * then executes the plugins setup method, onEnabled.
      */
     enable: function() {
+        deluge.client.reloadMethods();
         this.fireEvent("enable", this);
         if (this.onEnable) this.onEnable();
     },