Retain selected folder on page refresh (Bifrost#T18463)

Use window.history.replaceState on folder selection, the same way
is in Roundcube core.

Conflicts:
	plugins/kolab_files/kolab_files.js
	plugins/kolab_files/lib/kolab_files_engine.php

plugins/calendar/calendar_ui.js

@@ -732,6 +732,10 @@ function rcube_calendar_ui(settings)
       var invite = $('#edit-attendees-invite').get(0);
       var comment = $('#edit-attendees-comment');
 
+      // make sure any calendar is selected
+      if (!calendars.val())
+        calendars.val($('option:first', calendars).attr('value'));
+
       invite.checked = settings.itip_notify & 1 > 0;
       notify.checked = has_attendees(event) && invite.checked;
 
@@ -3517,6 +3521,8 @@ function rcube_calendar_ui(settings)
       rcmail.triggerEvent('selectfolder', { folder:id, prefix:'rcmlical' });
 
       this.selected_calendar = id;
+
+      rcmail.update_state({source: id});
     };
 
     // register the given calendar to the current view
@@ -3723,7 +3729,9 @@ function rcube_calendar_ui(settings)
     });
 
     // select default calendar
-    if (settings.default_calendar && this.calendars[settings.default_calendar] && this.calendars[settings.default_calendar].editable)
+    if (rcmail.env.source && this.calendars[rcmail.env.source])
+      this.selected_calendar = rcmail.env.source;
+    else if (settings.default_calendar && this.calendars[settings.default_calendar] && this.calendars[settings.default_calendar].editable)
       this.selected_calendar = settings.default_calendar;
     
     if (this.selected_calendar)

plugins/calendar/lib/calendar_ui.php

@@ -235,6 +235,7 @@ class calendar_ui
       );
     }
 
+    $this->rc->output->set_env('source', rcube_utils::get_input_value('source', rcube_utils::INPUT_GET));
     $this->rc->output->set_env('calendars', $jsenv);
     $this->rc->output->add_gui_object('calendarslist', $attrib['id']);
 

plugins/kolab_files/kolab_files.js

@@ -118,6 +118,8 @@ window.rcmail && window.files_api && rcmail.addEventListener('init', function()
       rcmail.enable_command('files-get', 'files-delete', rcmail.env.file);
     }
     else {
+      file_api.env.folder = rcmail.env.folder;
+      file_api.env.collection = rcmail.env.collection;
       file_api.folder_list();
       file_api.browser_capabilities_check();
       rcmail.enable_command('folder-mount', rcmail.env.external_sources);
@@ -1227,6 +1229,8 @@ function kolab_files_ui()
       rcmail.enable_command('files-folder-delete', 'folder-rename', 'files-upload', false);
       this.env.folder = null;
       rcmail.command('files-list', {collection: folder});
+      if (rcmail.task == 'files' && !rcmail.env.action)
+        rcmail.update_state({collection: collection});
     }
     else {
       var found = $('#' + this.env.folders[folder].id, list).addClass('selected');
@@ -1235,6 +1239,8 @@ function kolab_files_ui()
       this.env.folder = folder;
       this.env.collection = null;
       rcmail.command('files-list', {folder: folder});
+      if (rcmail.task == 'files' && !rcmail.env.action)
+        rcmail.update_state({folder: folder});
     }
 
     this.quota();

plugins/kolab_files/lib/kolab_files_engine.php

@@ -771,6 +771,11 @@ class kolab_files_engine
             'fileskip', 'fileskipall', 'fileoverwrite', 'fileoverwriteall'
         );
 
+        if ($this->rc->task == 'files') {
+            $this->rc->output->set_env('folder', rcube_utils::get_input_value('folder', rcube_utils::INPUT_GET));
+            $this->rc->output->set_env('collection', rcube_utils::get_input_value('collection', rcube_utils::INPUT_GET));
+        }
+
         $this->rc->output->add_label('uploadprogress', 'GB', 'MB', 'KB', 'B');
         $this->rc->output->set_pagetitle($this->plugin->gettext('files'));
         $this->rc->output->set_env('file_mimetypes', $this->get_mimetypes());

plugins/tasklist/tasklist.js

@@ -156,6 +156,9 @@ function rcube_tasklist_ui(settings)
             }
         }
 
+        if (rcmail.env.source && me.tasklists[rcmail.env.source])
+            me.selected_list = rcmail.env.source;
+
         // initialize treelist widget that controls the tasklists list
         var widget_class = window.kolab_folderlist || rcube_treelist_widget;
         tasklists_widget = new widget_class(rcmail.gui_objects.tasklistslist, {
@@ -176,6 +179,7 @@ function rcube_tasklist_ui(settings)
             rcmail.enable_command('list-remove', me.tasklists[node.id] && me.tasklists[node.id].removable);
             rcmail.enable_command('list-showurl', me.tasklists[node.id] && !!me.tasklists[node.id].caldavurl);
             me.selected_list = node.id;
+            rcmail.update_state({source: node.id});
         });
         tasklists_widget.addEventListener('subscribe', function(p) {
             var list;
@@ -2936,7 +2940,7 @@ function rcube_tasklist_ui(settings)
             }
         }
 
-        return $.unqiqueStrings(itags);
+        return $.uniqueStrings(itags);
     }
 
     /**
@@ -3412,7 +3416,7 @@ jQuery.fn.sortElements = (function(){
 })();
 
 // equivalent to $.unique() but working on arrays of strings
-jQuery.unqiqueStrings = (function() {
+jQuery.uniqueStrings = (function() {
     return function(arr) {
         var hash = {}, out = [];
 

plugins/tasklist/tasklist_ui.php

@@ -202,6 +202,7 @@ class tasklist_ui
             }
         }
 
+        $this->rc->output->set_env('source', rcube_utils::get_input_value('source', rcube_utils::INPUT_GET));
         $this->rc->output->set_env('tasklists', $jsenv);
         $this->register_gui_object('tasklistslist', $attrib['id']);