Config variable for hiding internal items on projector

CHANGELOG

@@ -18,6 +18,8 @@ Agenda:
 - Hide closed agenda items in the item slide [#3567].
 - Agenda is now collapsable for a better overview [#3567].
 - Autoupdates for all children if the item type has changed [#3659].
+- Added config variable to hide internal items when projecting
+  subitems [#3701].
 
 Motions:
 - New export dialog [#3185].

openslides/agenda/config_variables.py

@@ -41,6 +41,15 @@ def get_config_variables():
         group='Agenda',
         subgroup='General')
 
+    yield ConfigVariable(
+        name='agenda_hide_internal_items_on_projector',
+        default_value=True,
+        input_type='boolean',
+        label='Hide internal items when projecting subitems',
+        weight=225,
+        group='Agenda',
+        subgroup='General')
+
     # List of speakers
 
     yield ConfigVariable(

openslides/agenda/static/js/agenda/projector.js

@@ -71,7 +71,8 @@ angular.module('OpenSlidesApp.agenda.projector', ['OpenSlidesApp.agenda'])
     '$filter',
     'Agenda',
     'AgendaTree',
-    function ($scope, $http, $filter, Agenda, AgendaTree) {
+    'Config',
+    function ($scope, $http, $filter, Agenda, AgendaTree, Config) {
         // Attention! Each object that is used here has to be dealt on server side.
         // Add it to the coresponding get_requirements method of the ProjectorElement
         // class.
@@ -79,10 +80,18 @@ angular.module('OpenSlidesApp.agenda.projector', ['OpenSlidesApp.agenda'])
         // Bind agenda tree to the scope
         var items;
         $scope.$watch(function () {
-            return Agenda.lastModified();
+            return Agenda.lastModified() +
+                Config.lastModified('agenda_hide_internal_items_on_projector');
         }, function () {
             if ($scope.element.id) {
-                var tree = AgendaTree.getTree(Agenda.getAll());
+                if (Config.get('agenda_hide_internal_items_on_projector').value) {
+                    items = _.filter(Agenda.getAll(), function (item) {
+                        return item.type === 1;
+                    });
+                } else {
+                    items = Agenda.getAll();
+                }
+                var tree = AgendaTree.getTree(items);
 
                 var getRootNode = function (node) {
                     if (node.id == $scope.element.id) {

openslides/agenda/static/js/agenda/site.js

@@ -778,6 +778,7 @@ angular.module('OpenSlidesApp.agenda.site', [
         gettext('Roman');
         gettext('Begin of event');
         gettext('Input format: DD.MM.YYYY HH:MM');
+        gettext('Hide internal items when projecting subitems');
         gettext('Number of last speakers to be shown on the projector');
         gettext('List of speakers');
         gettext('Show orange countdown in the last x seconds of speaking time');