Disable "Remove All" if there are no services

Fixes #2264

app/store/Services.js

@@ -21,7 +21,7 @@ Ext.define('Rambox.store.Services', {
 	]
 
 	,listeners: {
-		load: function( store, records, successful ) {
+		 load: function( store, records, successful ) {
 			Ext.cq1('app-main').suspendEvent('add');
 
 			var servicesLeft = [];
@@ -76,5 +76,9 @@ Ext.define('Rambox.store.Services', {
 			store.suspendEvent('load');
 			Ext.cq1('app-main').resumeEvent('add');
 		}
+		,datachanged: function(store, eOpts) {
+			var isEmpty = store.getCount() > 0 ? false : true;
+			Ext.cq1('app-main').getViewModel().set('emptyServices', isEmpty);
+		}
 	}
 });

app/view/main/Main.js

@@ -148,6 +148,9 @@ Ext.define('Rambox.view.main.Main', {
 							,baseCls: ''
 							,tooltip: locale['app.main[10]']
 							,handler: 'removeAllServices'
+							,bind: {
+								disabled: '{emptyServices}'
+							}
 						}
 					]
 					,columns: [

app/view/main/MainController.js

@@ -192,12 +192,12 @@ Ext.define('Rambox.view.main.MainController', {
 	,removeAllServices: function(btn, callback) {
 		var me = this;
 
-		// Clear counter for unread messaging
-		document.title = 'Rambox';
-
 		if ( btn ) {
 			Ext.Msg.confirm(locale['app.window[12]'], locale['app.window[14]'], function(btnId) {
 				if ( btnId === 'yes' ) {
+					// Clear counter for unread messaging
+					document.title = 'Rambox';
+
 					Ext.cq1('app-main').suspendEvent('remove');
 					Ext.getStore('Services').load();
 					Ext.Msg.wait('Please wait until we clear all.', 'Removing...');

app/view/main/MainModel.js

@@ -9,5 +9,6 @@ Ext.define('Rambox.view.main.MainModel', {
 		,username: localStorage.getItem('profile') ? JSON.parse(localStorage.getItem('profile')).name : ''
 		,avatar: localStorage.getItem('profile') ? JSON.parse(localStorage.getItem('profile')).picture : ''
 		,last_sync: localStorage.getItem('profile') && JSON.parse(localStorage.getItem('profile')).user_metadata && JSON.parse(localStorage.getItem('profile')).user_metadata.services_lastupdate ? new Date(JSON.parse(localStorage.getItem('profile')).user_metadata.services_lastupdate).toUTCString() : ''
+		,emptyServices: true
 	}
 });