(js) Keep center list visible on xs screen

For Calendar module.

NEWS

@@ -9,6 +9,7 @@ Bug fixes
  - [web] fixed wrong colors assigned to default calendar categories
  - [web] lowered size of headings on small screens
  - [web] fixed scrolling in calendars list on Android
+ - [web] keep center list of Calendar module visible on small screens
  - [core] allow super users to modify any event (#4216)
  - [core] correctly handle the full cert chain in S/MIME
  - [core] handle multidays events in freebusy data

UI/Templates/SchedulerUI/UIxCalMainView.wox

@@ -149,7 +149,7 @@
 
         <div class="view-list ng-hide" layout="column"
              ng-show="list.selectedList >= 0"
-             ng-class="{'view-list--close': centerIsClose}"
+             ng-class="{'view-list--close': app.centerIsClose(centerIsClose)}"
              ui-view="listView">
           <md-toolbar class="md-accent md-hue-1 hide-print" flex-none="flex-none"
                       ng-hide="list.mode.multiple">

UI/WebServerResources/js/Scheduler/CalendarsController.js

@@ -6,8 +6,8 @@
   /**
    * @ngInject
    */
-  CalendarsController.$inject = ['$rootScope', '$scope', '$window', '$mdDialog', '$log', '$mdToast', 'Dialog', 'sgSettings', 'Preferences', 'Calendar'];
-  function CalendarsController($rootScope, $scope, $window, $mdDialog, $log, $mdToast, Dialog, Settings, Preferences, Calendar) {
+  CalendarsController.$inject = ['$rootScope', '$scope', '$window', '$mdDialog', '$mdMedia', '$log', '$mdToast', 'sgConstant', 'Dialog', 'sgSettings', 'Preferences', 'Calendar'];
+  function CalendarsController($rootScope, $scope, $window, $mdDialog, $mdMedia, $log, $mdToast, sgConstant, Dialog, Settings, Preferences, Calendar) {
     var vm = this;
 
     vm.activeUser = Settings.activeUser;
@@ -69,6 +69,13 @@
       );
     };
 
+    /**
+     * The center is always displayed on small screens.
+     */
+    this.centerIsClose = function (closed) {
+      return closed && $mdMedia(sgConstant['gt-xs']);
+    };
+
     /**
      * Only allow to sort items within the same list.
      */