From e019f2d0f2dc2fbfa345ab5d7ae85e67bfdd76b8 Mon Sep 17 00:00:00 2001
From: alecpl <alec@alec.pl>
Date: Sat, 25 Sep 2010 09:03:53 -0400
Subject: [PATCH] - s/RoundCube/Roundcube/

---
 program/js/app.js |  697 ++++++++++++++++++++++++++++++++-------------------------
 1 files changed, 388 insertions(+), 309 deletions(-)

diff --git a/program/js/app.js b/program/js/app.js
index 7cf6efc..c42b62c 100644
--- a/program/js/app.js
+++ b/program/js/app.js
@@ -1,9 +1,9 @@
 /*
  +-----------------------------------------------------------------------+
- | RoundCube Webmail Client Script                                       |
+ | Roundcube Webmail Client Script                                       |
  |                                                                       |
- | This file is part of the RoundCube Webmail client                     |
- | Copyright (C) 2005-2010, RoundCube Dev, - Switzerland                 |
+ | This file is part of the Roundcube Webmail client                     |
+ | Copyright (C) 2005-2010, Roundcube Dev, - Switzerland                 |
  | Licensed under the GNU GPL                                            |
  |                                                                       |
  +-----------------------------------------------------------------------+
@@ -56,7 +56,7 @@
   $.ajaxSetup({
     cache:false,
     error:function(request, status, err){ ref.http_error(request, status, err); },
-    beforeSend:function(xmlhttp){ xmlhttp.setRequestHeader('X-RoundCube-Request', ref.env.request_token); }
+    beforeSend:function(xmlhttp){ xmlhttp.setRequestHeader('X-Roundcube-Request', ref.env.request_token); }
   });
 
   // set environment variable(s)
@@ -166,7 +166,7 @@
 
           this.message_list = new rcube_list_widget(this.gui_objects.messagelist, {
             multiselect:true, multiexpand:true, draggable:true, keyboard:true,
-            column_movable:this.env.col_movable, column_fixed:0, dblclick_time:this.dblclick_time
+            column_movable:this.env.col_movable, dblclick_time:this.dblclick_time
             });
           this.message_list.row_init = function(o){ p.init_message_row(o); };
           this.message_list.addEventListener('dblclick', function(o){ p.msglist_dbl_click(o); });
@@ -199,9 +199,11 @@
         if (this.env.trash_mailbox && this.env.mailbox != this.env.trash_mailbox)
           this.set_alttext('delete', 'movemessagetotrash');
 
+        this.env.message_commands = ['show', 'reply', 'reply-all', 'forward', 'moveto', 'copy', 'delete',
+          'open', 'mark', 'edit', 'viewsource', 'download', 'print', 'load-attachment', 'load-headers'];
+
         if (this.env.action=='show' || this.env.action=='preview') {
-          this.enable_command('show', 'reply', 'reply-all', 'forward', 'moveto', 'copy', 'delete',
-            'open', 'mark', 'edit', 'viewsource', 'download', 'print', 'load-attachment', 'load-headers', true);
+          this.enable_command(this.env.message_commands, this.env.uid);
 
           if (this.env.next_uid) {
             this.enable_command('nextmessage', 'lastmessage', true);
@@ -223,7 +225,7 @@
           }
         }
         else if (this.env.action == 'compose') {
-          this.enable_command('add-attachment', 'send-attachment', 'remove-attachment', 'send', true);
+          this.enable_command('send-attachment', 'remove-attachment', 'send', 'toggle-editor', true);
 
           if (this.env.spellcheck) {
             this.env.spellcheck.spelling_state_observer = function(s){ ref.set_spellcheck_state(s); };
@@ -241,7 +243,7 @@
           this.init_messageform();
         }
         // show printing dialog
-        else if (this.env.action == 'print')
+        else if (this.env.action == 'print' && this.env.uid)
           window.print();
 
         // get unread count for each mailbox
@@ -319,7 +321,7 @@
         }
         else if (this.env.action=='edit-identity' || this.env.action=='add-identity') {
           this.enable_command('add', this.env.identities_level < 2);
-          this.enable_command('save', 'delete', 'edit', true);
+          this.enable_command('save', 'delete', 'edit', 'toggle-editor', true);
         }
         else if (this.env.action=='folders')
           this.enable_command('subscribe', 'unsubscribe', 'create-folder', 'rename-folder', 'delete-folder', 'enable-threading', 'disable-threading', true);
@@ -482,10 +484,9 @@
         }
         break;
 
-      // misc list commands
       case 'list':
         if (this.task=='mail') {
-          if (this.env.search_request<0 || (props != '' && (this.env.search_request && props != this.env.mailbox)))
+          if (!this.env.search_request || (props && props != this.env.mailbox))
             this.reset_qsearch();
 
           this.list_mailbox(props);
@@ -494,7 +495,7 @@
             this.set_alttext('delete', this.env.mailbox != this.env.trash_mailbox ? 'movemessagetotrash' : 'deletemessage');
         }
         else if (this.task=='addressbook') {
-          if (this.env.search_request<0 || (this.env.search_request && props != this.env.source))
+          if (!this.env.search_request || (props != this.env.source))
             this.reset_qsearch();
 
           this.list_contacts(props);
@@ -502,16 +503,9 @@
         }
         break;
 
-
-      case 'listgroup':
-        this.list_contacts(props.source, props.id);
-        break;
-
-
       case 'load-headers':
         this.load_headers(obj);
         break;
-
 
       case 'sort':
         var sort_order, sort_col = props;
@@ -555,7 +549,6 @@
           this.purge_mailbox(this.env.mailbox);
         break;
 
-
       // common commands used in multiple tasks
       case 'show':
         if (this.task=='mail') {
@@ -595,7 +588,6 @@
         }
         break;
 
-      case 'save-identity':
       case 'save':
         if (this.gui_objects.editform) {
           var input_pagesize = $("input[name='_pagesize']");
@@ -723,10 +715,12 @@
 
       case 'select-all':
         this.select_all_mode = props ? false : true;
+        this.dummy_select = true; // prevent msg opening if there's only one msg on the list
         if (props == 'invert')
           this.message_list.invert_selection();
         else
           this.message_list.select_all(props == 'page' ? '' : props);
+        this.dummy_select = null;
         break;
 
       case 'select-none':
@@ -870,18 +864,11 @@
         clearTimeout(this.request_timer);
         break;
 
-      case 'add-attachment':
-        this.show_attachment_form(true);
-
       case 'send-attachment':
         // Reset the auto-save timer
         self.clearTimeout(this.save_timer);
 
         this.upload_file(props)
-        break;
-
-      case 'remove-attachment':
-        this.remove_attachment(props);
         break;
 
       case 'insert-sig':
@@ -928,10 +915,6 @@
           this.goto_url('viewsource', '&_uid='+uid+'&_mbox='+urlencode(this.env.mailbox)+'&_save=1');
         break;
 
-      case 'add-contact':
-        this.add_contact(props);
-        break;
-
       // quicksearch
       case 'search':
         if (!props && this.gui_objects.qsearchbox)
@@ -952,16 +935,8 @@
           this.list_contacts(this.env.source, this.env.group);
         break;
 
-      case 'group-create':
-        this.add_contact_group(props)
-        break;
-
-      case 'group-rename':
-        this.rename_contact_group();
-        break;
-
-      case 'group-delete':
-        this.delete_contact_group();
+      case 'listgroup':
+        this.list_contacts(props.source, props.id);
         break;
 
       case 'import':
@@ -989,12 +964,6 @@
         }
         break;
 
-      // collapse/expand folder
-      case 'collapse-folder':
-        if (props)
-          this.collapse_folder(props);
-        break;
-
       // user settings commands
       case 'preferences':
         this.goto_url('');
@@ -1004,41 +973,16 @@
         this.goto_url('identities');
         break;
 
-      case 'delete-identity':
-        this.delete_identity();
-
       case 'folders':
         this.goto_url('folders');
         break;
 
-      case 'subscribe':
-        this.subscribe_folder(props);
+      // unified command call (command name == function name)
+      default:
+        var func = command.replace(/-/g, '_');
+        if (this[func] && typeof this[func] == 'function')
+          this[func](props);
         break;
-
-      case 'unsubscribe':
-        this.unsubscribe_folder(props);
-        break;
-
-      case 'enable-threading':
-        this.enable_threading(props);
-        break;
-
-      case 'disable-threading':
-        this.disable_threading(props);
-        break;
-
-      case 'create-folder':
-        this.create_folder(props);
-        break;
-
-      case 'rename-folder':
-        this.rename_folder(props);
-        break;
-
-      case 'delete-folder':
-        this.delete_folder(props);
-        break;
-
     }
 
     this.triggerEvent('after'+command, props);
@@ -1047,21 +991,25 @@
     return obj ? false : true;
   };
 
-  // set command enabled or disabled
+  // set command(s) enabled or disabled
   this.enable_command = function()
   {
-    var args = arguments, len = args.length;
-    if (!len)
-      return -1;
+    var args = Array.prototype.slice.call(arguments),
+      enable = args.pop(), cmd;
 
-    var command, enable = args[len-1];
-
-    for (var n=0, len=len-1; n<len; n++) {
-      command = args[n];
-      this.commands[command] = enable;
-      this.set_button(command, (enable ? 'act' : 'pas'));
+    for (var n=0; n<args.length; n++) {
+      cmd = args[n];
+      // argument of type array
+      if (typeof cmd === 'string') {
+        this.commands[cmd] = enable;
+        this.set_button(cmd, (enable ? 'act' : 'pas'));
+      }
+      // push array elements into commands array
+      else {
+        for (var i in cmd)
+          args.push(cmd[i]);
+      }
     }
-    return true;
   };
 
   // lock/unlock interface
@@ -1072,10 +1020,13 @@
       if (msg == message)
         msg = 'Loading...';
 
-      this.display_message(msg, 'loading', true);
+      // @TODO: show many messages at a time (one below the other ?)
+      if (this.message_type() != 'error')
+        this.display_message(msg, 'loading', true);
     }
-    else if (!a)
+    else if (!a && this.message_type() != 'error') {
       this.hide_message();
+    }
 
     this.busy = a;
     //document.body.style.cursor = a ? 'wait' : 'default';
@@ -1237,7 +1188,11 @@
       var boffset = bw.ie ? -document.documentElement.scrollTop : this.initialBodyScrollTop;
       var moffset = this.initialListScrollTop-this.gui_objects.folderlist.parentNode.scrollTop;
       var toffset = -moffset-boffset;
-      var li, div, pos, mouse;
+      var li, div, pos, mouse, check, oldclass,
+        layerclass = 'draglayernormal';
+      
+      if (this.contact_list && this.contact_list.draglayer)
+        oldclass = this.contact_list.draglayer.attr('class');
 
       mouse = rcube_event.get_mouse_pos(e);
       pos = this.env.folderlist_coords;
@@ -1250,6 +1205,8 @@
           this.env.folder_coords[this.env.last_folder_target].on = 0;
           this.env.last_folder_target = null;
         }
+        if (layerclass != oldclass && this.contact_list && this.contact_list.draglayer)
+          this.contact_list.draglayer.attr('class', layerclass);
         return;
       }
 
@@ -1257,7 +1214,7 @@
       for (var k in this.env.folder_coords) {
         pos = this.env.folder_coords[k];
         if (mouse.x >= pos.x1 && mouse.x < pos.x2 && mouse.y >= pos.y1 && mouse.y < pos.y2){
-         if (this.check_droptarget(k)) {
+         if ((check = this.check_droptarget(k))) {
             li = this.get_folder_li(k);
             div = $(li.getElementsByTagName('div')[0]);
 
@@ -1280,6 +1237,7 @@
             $(li).addClass('droptarget');
             this.env.folder_coords[k].on = 1;
             this.env.last_folder_target = k;
+            layerclass = 'draglayer' + (check > 1 ? 'copy' : 'normal');
           } else { // Clear target, otherwise drag end will trigger move into last valid droptarget
             this.env.last_folder_target = null;
           }
@@ -1289,6 +1247,9 @@
           this.env.folder_coords[k].on = 0;
         }
       }
+
+      if (layerclass != oldclass && this.contact_list && this.contact_list.draglayer)
+        this.contact_list.draglayer.attr('class', layerclass);
     }
   };
 
@@ -1327,7 +1288,7 @@
       }
     }
 
-    this.http_post('save-pref', '_name=collapsed_folders&_value='+urlencode(this.env.collapsed_folders));
+    this.http_post('utils/save-pref', '_name=collapsed_folders&_value='+urlencode(this.env.collapsed_folders));
     this.set_unread_count_display(id, false);
   };
 
@@ -1398,9 +1359,12 @@
 
     var selected = list.get_single_selection() != null;
 
+    this.enable_command(this.env.message_commands, selected);
     // Hide certain command buttons when Drafts folder is selected
-    this.enable_command('reply', 'reply-all', 'forward', this.env.mailbox == this.env.drafts_mailbox ? false : selected);
-    this.enable_command('show', 'print', 'open', 'edit', 'download', 'viewsource', selected);
+    if (selected && this.env.mailbox == this.env.drafts_mailbox) {
+      this.enable_command('reply', 'reply-all', 'forward', false);
+    }
+    // Multi-message commands
     this.enable_command('delete', 'moveto', 'copy', 'mark', (list.selection.length > 0 ? true : false));
 
     // reset all-pages-selection
@@ -1408,7 +1372,7 @@
       this.select_all_mode = false;
 
     // start timer for message preview (wait for double click)
-    if (selected && this.env.contentframe && !list.multi_selecting)
+    if (selected && this.env.contentframe && !list.multi_selecting && !this.dummy_select)
       this.preview_timer = window.setTimeout(function(){ ref.msglist_get_preview(); }, 200);
     else if (this.env.contentframe)
       this.show_contentframe(false);
@@ -1476,13 +1440,13 @@
     if (this.env.messages[row.uid])
       this.env.messages[row.uid].expanded = row.expanded;
   };
-  
+
   this.msglist_set_coltypes = function(list)
   {
     var i, found, name, cols = list.list.tHead.rows[0].cells;
-    
+
     this.env.coltypes = [];
-    
+
     for (i=0; i<cols.length; i++)
       if (cols[i].id && cols[i].id.match(/^rcm/)) {
         name = cols[i].id.replace(/^rcm/, '');
@@ -1492,21 +1456,35 @@
     if ((found = $.inArray('flag', this.env.coltypes)) >= 0)
       this.set_env('flagged_col', found);
 
-    this.http_post('save-pref', { '_name':'list_cols', '_value':this.env.coltypes });
+    if ((found = $.inArray('subject', this.env.coltypes)) >= 0)
+      this.set_env('subject_col', found);
+
+    this.http_post('utils/save-pref', { '_name':'list_cols', '_value':this.env.coltypes, '_session':'list_attrib/columns' });
   };
 
   this.check_droptarget = function(id)
   {
+    var allow = false, copy = false;
+
     if (this.task == 'mail')
-      return (this.env.mailboxes[id] && this.env.mailboxes[id].id != this.env.mailbox && !this.env.mailboxes[id].virtual);
-    else if (this.task == 'addressbook')
-      return (id != this.env.source && this.env.contactfolders[id] && !this.env.contactfolders[id].readonly &&
-        !(!this.env.source && this.env.contactfolders[id].group) &&
-        !(this.env.contactfolders[id].type == 'group' && this.env.contactfolders[this.env.source].readonly) &&
-        !(this.env.contactfolders[id].type == 'group' && this.env.contactfolders[id].source != this.env.source) &&
-        !(this.env.contactfolders[id].type == 'group' && this.env.contactfolders[id].id == this.env.group));
+      allow = (this.env.mailboxes[id] && this.env.mailboxes[id].id != this.env.mailbox && !this.env.mailboxes[id].virtual);
     else if (this.task == 'settings')
-      return (id != this.env.folder);
+      allow = (id != this.env.folder);
+    else if (this.task == 'addressbook') {
+      if (id != this.env.source && this.env.contactfolders[id]) {
+        if (this.env.contactfolders[id].type == 'group') {
+          var target_abook = this.env.contactfolders[id].source;
+          allow = this.env.contactfolders[id].id != this.env.group && !this.env.contactfolders[target_abook].readonly;
+          copy = target_abook != this.env.source;
+        }
+        else {
+          allow = !this.env.contactfolders[id].readonly;
+          copy = true;
+        }
+      }
+    }
+
+    return allow ? (copy ? 2 : 1) : 0;
   };
 
 
@@ -1561,7 +1539,9 @@
       depth: flags.depth?flags.depth:0,
       unread_children: flags.unread_children?flags.unread_children:0,
       parent_uid: flags.parent_uid?flags.parent_uid:0,
-      selected: this.select_all_mode || this.message_list.in_selection(uid)
+      selected: this.select_all_mode || this.message_list.in_selection(uid),
+      // flags from plugins
+      flags: flags.extra_flags
     });
 
     var c, tree = expando = '',
@@ -1636,11 +1616,6 @@
 
     tree += icon ? '<img id="msgicn'+uid+'" src="'+icon+'" alt="" class="msgicon" />' : '';
 
-    // first col is always there
-    col.className = 'threads';
-    col.innerHTML = expando;
-    row.appendChild(col);
-
     // build subject link 
     if (!bw.ie && cols.subject) {
       var action = flags.mbox == this.env.drafts_mailbox ? 'compose' : 'show';
@@ -1662,6 +1637,8 @@
         else if(!flags.flagged && this.env.unflaggedicon)
           html = '<img id="flaggedicn'+uid+'" src="'+this.env.unflaggedicon+'" class="flagicon" alt="" />';
       }
+      else if (c == 'threads')
+        html = expando;
       else if (c == 'attachment')
         html = flags.attachment && this.env.attachmenticon ? '<img src="'+this.env.attachmenticon+'" alt="" />' : '&nbsp;';
       else if (c == 'subject')
@@ -1699,7 +1676,7 @@
   {
     var update, add_url = '';
 
-    if (sort_col === null)
+    if (typeof sort_col == 'undefined')
       sort_col = this.env.sort_col;
     if (!sort_order)
       sort_order = this.env.sort_order;
@@ -1721,15 +1698,15 @@
         name = oldcols[i] == 'to' ? 'from' : oldcols[i];
         idx = $.inArray(name, cols);
         if (idx != -1) {
-          newcols[newcols.length] = name;
+          newcols.push(name);
           delete cols[idx];
         }
       }
       for (i=0; i<cols.length; i++)
         if (cols[i])
-          newcols[newcols.length] = cols[i];
+          newcols.push(cols[i]);
 
-      if (newcols.join() != this.env.coltypes.join()) {
+      if (newcols.join() != oldcols.join()) {
         update = 1;
         add_url += '&_cols=' + newcols.join(',');
       }
@@ -1786,11 +1763,11 @@
 
   this.show_contentframe = function(show)
   {
-    var frm;
+    var frm, win;
     if (this.env.contentframe && (frm = $('#'+this.env.contentframe)) && frm.length) {
-      if (!show && window.frames[this.env.contentframe]) {
-        if (window.frames[this.env.contentframe].location.href.indexOf(this.env.blankpage)<0)
-          window.frames[this.env.contentframe].location.href = this.env.blankpage;
+      if (!show && (win = window.frames[this.env.contentframe])) {
+        if (win.location && win.location.href.indexOf(this.env.blankpage)<0)
+          win.location.href = this.env.blankpage;
       }
       else if (!bw.safari && !bw.konq)
         frm[show ? 'show' : 'hide']();
@@ -1805,11 +1782,11 @@
   {
     if (page == 'next')
       page = this.env.current_page+1;
-    if (page == 'last')
+    else if (page == 'last')
       page = this.env.pagecount;
-    if (page == 'prev' && this.env.current_page > 1)
+    else if (page == 'prev' && this.env.current_page > 1)
       page = this.env.current_page-1;
-    if (page == 'first' && this.env.current_page > 1)
+    else if (page == 'first' && this.env.current_page > 1)
       page = 1;
 
     if (page > 0 && page <= this.env.pagecount) {
@@ -1818,7 +1795,7 @@
       if (this.task == 'mail')
         this.list_mailbox(this.env.mailbox, page);
       else if (this.task == 'addressbook')
-        this.list_contacts(this.env.source, null, page);
+        this.list_contacts(this.env.source, this.env.group, page);
     }
   };
 
@@ -1863,17 +1840,14 @@
       page = 1;
       this.env.current_page = page;
       this.select_all_mode = false;
-      this.show_contentframe(false);
     }
+
+    // unselect selected messages and clear the list and message data
+    this.clear_message_list();
 
     if (mbox != this.env.mailbox || (mbox == this.env.mailbox && !page && !sort))
       url += '&_refresh=1';
 
-    // unselect selected messages
-    this.last_selected = 0;
-    if (this.message_list) {
-      this.message_list.clear_selection();
-    }
     this.select_folder(mbox, this.env.mailbox);
     this.env.mailbox = mbox;
 
@@ -1893,6 +1867,16 @@
       this.set_busy(true, 'loading');
       target.location.href = this.env.comm_path+'&_mbox='+urlencode(mbox)+(page ? '&_page='+page : '')+url;
     }
+  };
+
+  this.clear_message_list = function()
+  {
+      this.env.messages = {};
+      this.last_selected = 0;
+
+      this.show_contentframe(false);
+      if (this.message_list)
+        this.message_list.clear(true);
   };
 
   // send remote request to load message list
@@ -2228,8 +2212,6 @@
       rows[uid].forwarded = status;
     else if (flag == 'flagged')
       rows[uid].flagged = status;
-
-//    this.env.messages[uid] = rows[uid];
   };
 
   // set message row status, class and icon
@@ -2325,7 +2307,7 @@
       this.show_contentframe(false);
 
     // Hide message command buttons until a message is selected
-    this.enable_command('reply', 'reply-all', 'forward', 'delete', 'mark', 'print', 'open', 'edit', 'viewsource', 'download', false);
+    this.enable_command(this.env.message_commands, false);
 
     this._with_selected_messages('moveto', lock, add_url);
   };
@@ -2770,12 +2752,12 @@
   this.check_compose_input = function()
   {
     // check input fields
-    var input_to = $("[name='_to']");
-    var input_cc = $("[name='_cc']");
-    var input_bcc = $("[name='_bcc']");
-    var input_from = $("[name='_from']");
-    var input_subject = $("[name='_subject']");
-    var input_message = $("[name='_message']");
+    var ed, input_to = $("[name='_to']"),
+      input_cc = $("[name='_cc']"),
+      input_bcc = $("[name='_bcc']"),
+      input_from = $("[name='_from']"),
+      input_subject = $("[name='_subject']"),
+      input_message = $("[name='_message']");
 
     // check sender (if have no identities)
     if (input_from.attr('type') == 'text' && !rcube_check_email(input_from.val(), true)) {
@@ -2813,33 +2795,63 @@
         input_subject.val((subject ? subject : this.get_label('nosubject')));
     }
 
-    // check for empty body
-    if ((!window.tinyMCE || !tinyMCE.get(this.env.composebody))
-        && input_message.val() == '' && !confirm(this.get_label('nobodywarning'))) {
-      input_message.focus();
-      return false;
-    }
-    else if (window.tinyMCE && tinyMCE.get(this.env.composebody)
-        && !tinyMCE.get(this.env.composebody).getContent()
-        && !confirm(this.get_label('nobodywarning'))) {
-      tinyMCE.get(this.env.composebody).focus();
-      return false;
-    }
-
     // Apply spellcheck changes if spell checker is active
     this.stop_spellchecking();
 
-    // move body from html editor to textarea (just to be sure, #1485860)
-    if (window.tinyMCE && tinyMCE.get(this.env.composebody))
+    if (window.tinyMCE)
+      ed = tinyMCE.get(this.env.composebody);
+
+    // check for empty body
+    if (!ed && input_message.val() == '' && !confirm(this.get_label('nobodywarning'))) {
+      input_message.focus();
+      return false;
+    }
+    else if (ed) {
+      if (!ed.getContent() && !confirm(this.get_label('nobodywarning'))) {
+        ed.focus();
+        return false;
+      }
+      // move body from html editor to textarea (just to be sure, #1485860)
       tinyMCE.triggerSave();
+    }
+
+    return true;
+  };
+
+  this.toggle_editor = function(props)
+  {
+    if (props.mode == 'html') {
+      this.display_spellcheck_controls(false);
+      this.plain2html($('#'+props.id).val(), props.id);
+      tinyMCE.execCommand('mceAddControl', false, props.id);
+    }
+    else {
+      var thisMCE = tinyMCE.get(props.id), existingHtml;
+      if (thisMCE.plugins.spellchecker && thisMCE.plugins.spellchecker.active)
+        thisMCE.execCommand('mceSpellCheck', false);
+
+      if (existingHtml = thisMCE.getContent()) {
+        if (!confirm(this.get_label('editorwarning'))) {
+          return false;
+        }
+        this.html2plain(existingHtml, props.id);
+      }
+      tinyMCE.execCommand('mceRemoveControl', false, props.id);
+      this.display_spellcheck_controls(true);
+    }
 
     return true;
   };
 
   this.stop_spellchecking = function()
   {
-    if (this.env.spellcheck && !this.spellcheck_ready) {
-      $(this.env.spellcheck.spell_span).trigger('click');
+    var ed;
+    if (window.tinyMCE && (ed = tinyMCE.get(this.env.composebody))) {
+      if (ed.plugins.spellchecker && ed.plugins.spellchecker.active)
+        ed.execCommand('mceSpellCheck');
+    }
+    else if ((ed = this.env.spellcheck) && !this.spellcheck_ready) {
+      $(ed.spell_span).trigger('click');
       this.set_spellcheck_state('ready');
     }
   };
@@ -3037,32 +3049,6 @@
     return true;
   };
 
-  this.show_attachment_form = function(a)
-  {
-    if (!this.gui_objects.uploadbox)
-      return false;
-
-    var elm, list;
-    if (elm = this.gui_objects.uploadbox) {
-      if (a && (list = this.gui_objects.attachmentlist)) {
-        var pos = $(list).offset();
-        elm.style.top = (pos.top + list.offsetHeight + 10) + 'px';
-        elm.style.left = pos.left + 'px';
-      }
-
-      $(elm).toggle();
-    }
-
-    // clear upload form
-    try {
-      if (!a && this.gui_objects.attachmentform != this.gui_objects.messageform)
-        this.gui_objects.attachmentform.reset();
-    }
-    catch(e){}  // ignore errors
-
-    return true;
-  };
-
   // upload attachment file
   this.upload_file = function(form)
   {
@@ -3125,8 +3111,6 @@
       form.setAttribute('enctype', 'multipart/form-data');
       form.submit();
 
-      // hide upload form
-      this.show_attachment_form(false);
       // display upload indicator and cancel button
       var content = this.get_label('uploading');
       if (this.env.loadingicon)
@@ -3214,7 +3198,7 @@
     if (value != '') {
       var addurl = '';
       if (this.message_list) {
-        this.message_list.clear();
+        this.clear_message_list();
         if (this.env.search_mods) {
           var mods = this.env.search_mods[this.env.mailbox] ? this.env.search_mods[this.env.mailbox] : this.env.search_mods['*'];
           if (mods) {
@@ -3446,7 +3430,7 @@
       for (i=0; i < a_results.length; i++) {
         text = typeof a_results[i] == 'object' ? a_results[i].name : a_results[i];
         li = document.createElement('LI');
-        li.innerHTML = text.replace(new RegExp('('+s_val+')', 'ig'), '##$1%%').replace(/</g, '&lt;').replace(/>/g, '&gt;').replace(/##([^%]+)%%/g, '<b>$1</b>');
+        li.innerHTML = text.replace(new RegExp('('+RegExp.escape(s_val)+')', 'ig'), '##$1%%').replace(/</g, '&lt;').replace(/>/g, '&gt;').replace(/##([^%]+)%%/g, '<b>$1</b>');
         li.onmouseover = function(){ ref.ksearch_select(this); };
         li.onmouseup = function(){ ref.ksearch_click(this) };
         li._rcm_id = i;
@@ -3525,8 +3509,8 @@
 
   this.list_contacts = function(src, group, page)
   {
-    var add_url = '';
-    var target = window;
+    var add_url = '',
+      target = window;
 
     if (!src)
       src = this.env.source;
@@ -3535,8 +3519,7 @@
       return false;
 
     if (src != this.env.source) {
-      page = 1;
-      this.env.current_page = page;
+      page = this.env.current_page = 1;
       this.reset_qsearch();
     }
     else if (group != this.env.group)
@@ -3624,10 +3607,24 @@
     if (!cid)
       cid = this.contact_list.get_selection().join(',');
 
-    if (to.type == 'group')
-      this.http_post('group-addmembers', '_cid='+urlencode(cid)+'&_source='+urlencode(this.env.source)+'&_gid='+urlencode(to.id));
-    else if (to.id != this.env.source && cid && this.env.address_sources[to.id] && !this.env.address_sources[to.id].readonly)
-      this.http_post('copy', '_cid='+urlencode(cid)+'&_source='+urlencode(this.env.source)+'&_to='+urlencode(to.id)+(this.env.group ? '&_gid='+urlencode(this.env.group) : ''));
+    if (to.type == 'group' && to.source == this.env.source) {
+      this.http_post('group-addmembers', '_cid='+urlencode(cid)
+        + '&_source='+urlencode(this.env.source)
+        + '&_gid='+urlencode(to.id));
+    }
+    else if (to.type == 'group' && !this.env.address_sources[to.source].readonly) {
+      this.http_post('copy', '_cid='+urlencode(cid)
+        + '&_source='+urlencode(this.env.source)
+        + '&_to='+urlencode(to.source)
+        + '&_togid='+urlencode(to.id)
+        + (this.env.group ? '&_gid='+urlencode(this.env.group) : ''));
+    }
+    else if (to.id != this.env.source && cid && this.env.address_sources[to.id] && !this.env.address_sources[to.id].readonly) {
+      this.http_post('copy', '_cid='+urlencode(cid)
+        + '&_source='+urlencode(this.env.source)
+        + '&_to='+urlencode(to.id)
+        + (this.env.group ? '&_gid='+urlencode(this.env.group) : ''));
+    }
   };
 
 
@@ -3682,7 +3679,7 @@
         this.contact_list.remove_row(cid);
         this.contact_list.init_row(row);
         this.contact_list.selection[0] = newcid;
-        ow.style.display = '';
+        row.style.display = '';
       }
 
       return true;
@@ -3722,24 +3719,24 @@
   };
 
 
-  this.add_contact_group = function()
+  this.group_create = function()
   {
     if (!this.gui_objects.folderlist || !this.env.address_sources[this.env.source].groups)
       return;
 
     if (!this.name_input) {
       this.name_input = $('<input>').attr('type', 'text');
-      this.name_input.bind('keypress', function(e){ return rcmail.add_input_keypress(e); });
+      this.name_input.bind('keydown', function(e){ return rcmail.add_input_keydown(e); });
       this.name_input_li = $('<li>').addClass('contactgroup').append(this.name_input);
 
       var li = this.get_folder_li(this.env.source)
       this.name_input_li.insertAfter(li);
     }
 
-    this.name_input.select();
+    this.name_input.select().focus();
   };
 
-  this.rename_contact_group = function()
+  this.group_rename = function()
   {
     if (!this.env.group || !this.gui_objects.folderlist)
       return;
@@ -3747,7 +3744,7 @@
     if (!this.name_input) {
       this.enable_command('list', 'listgroup', false);
       this.name_input = $('<input>').attr('type', 'text').val(this.env.contactgroups['G'+this.env.source+this.env.group].name);
-      this.name_input.bind('keypress', function(e){ return rcmail.add_input_keypress(e); });
+      this.name_input.bind('keydown', function(e){ return rcmail.add_input_keydown(e); });
       this.env.group_renaming = true;
 
       var link, li = this.get_folder_li(this.env.source+this.env.group, 'rcmliG');
@@ -3756,10 +3753,10 @@
       }
     }
 
-    this.name_input.select();
+    this.name_input.select().focus();
   };
 
-  this.delete_contact_group = function()
+  this.group_delete = function()
   {
     if (this.env.group)
       this.http_post('group-delete', '_source='+urlencode(this.env.source)+'&_gid='+urlencode(this.env.group), true);
@@ -3770,7 +3767,7 @@
   {
     var li, key = 'G'+prop.source+prop.id;
     if ((li = this.get_folder_li(key))) {
-      this.triggerEvent('removegroup', { source:prop.source, id:prop.id, li:li });
+      this.triggerEvent('group_delete', { source:prop.source, id:prop.id, li:li });
 
       li.parentNode.removeChild(li);
       delete this.env.contactfolders[key];
@@ -3781,7 +3778,7 @@
   };
 
   // handler for keyboard events on the input field
-  this.add_input_keypress = function(e)
+  this.add_input_keydown = function(e)
   {
     var key = rcube_event.get_keycode(e);
 
@@ -3837,11 +3834,12 @@
     var link = $('<a>').attr('href', '#')
       .bind('click', function() { return rcmail.command('listgroup', prop, this);})
       .html(prop.name);
-    var li = $('<li>').attr('id', 'rcmli'+key).addClass('contactgroup').append(link);
-    var pli = this.get_folder_li(prop.source)
-    $(li).insertAfter(pli);
+    var li = $('<li>').attr('id', 'rcmli'+key)
+      .addClass('contactgroup')
+      .append(link)
+      .insertAfter(this.get_folder_li(prop.source));
 
-    this.triggerEvent('insertgroup', { id:prop.id, source:prop.source, name:prop.name, li:li[0] });
+    this.triggerEvent('group_insert', { id:prop.id, source:prop.source, name:prop.name, li:li[0] });
   };
 
   // callback for renaming a contact group
@@ -3855,7 +3853,7 @@
       link.innerHTML = prop.name;
 
     this.env.contactfolders[key].name = this.env.contactgroups[key].name = name;
-    this.triggerEvent('updategroup', { id:prop.id, source:prop.source, name:prop.name, li:li[0] });
+    this.triggerEvent('group_update', { id:prop.id, source:prop.source, name:prop.name, li:li[0] });
   };
 
 
@@ -3873,9 +3871,9 @@
     this.subscription_list.row_init = function (row) {
       var anchors = row.obj.getElementsByTagName('a');
       if (anchors[0])
-        anchors[0].onclick = function() { p.rename_folder(row.id); return false; };
+        anchors[0].onclick = function() { p.command('rename-folder', row.id); return false; };
       if (anchors[1])
-        anchors[1].onclick = function() { p.delete_folder(row.id); return false; };
+        anchors[1].onclick = function() { p.command('delete-folder', row.id); return false; };
       row.obj.onmouseover = function() { p.focus_subscription(row.id); };
       row.obj.onmouseout = function() { p.unfocus_subscription(row.id); };
     };
@@ -3914,7 +3912,7 @@
     if (action=='edit-identity' && (!id || id==this.env.iid))
       return false;
 
-    var add_url = '',  target = window;
+    var add_url = '', target = window;
 
     if (this.env.contentframe && window.frames && window.frames[this.env.contentframe]) {
       add_url = '&_framed=1';
@@ -4055,7 +4053,7 @@
 
       reg = new RegExp('['+RegExp.escape(this.env.delimiter)+']?[^'+RegExp.escape(this.env.delimiter)+']+$');
       this.name_input.__parent = this.env.subscriptionrows[id][0].replace(reg, '');
-      this.name_input.onkeypress = function(e){ rcmail.name_input_keypress(e); };
+      this.name_input.onkeydown = function(e){ rcmail.name_input_keydown(e); };
 
       row.cells[0].replaceChild(this.name_input, row.cells[0].firstChild);
       this.edit_folder = id;
@@ -4078,7 +4076,7 @@
   };
 
   // handler for keyboard events on the input field
-  this.name_input_keypress = function(e)
+  this.name_input_keydown = function(e)
   {
     var key = rcube_event.get_keycode(e);
 
@@ -4150,19 +4148,18 @@
       this.goto_url('folders');
       return false;
     }
-    else {
-      // clone a table row if there are existing rows
-      var row = this.clone_table_row(refrow);
-      row.id = id;
 
-      if (before && (before = this.get_folder_row_id(before)))
-        tbody.insertBefore(row, document.getElementById(before));
-      else
-        tbody.appendChild(row);
+    // clone a table row if there are existing rows
+    var row = this.clone_table_row(refrow);
+    row.id = id;
 
-      if (replace)
-        tbody.removeChild(replace);
-    }
+    if (before && (before = this.get_folder_row_id(before)))
+      tbody.insertBefore(row, document.getElementById(before));
+    else
+      tbody.appendChild(row);
+
+    if (replace)
+      tbody.removeChild(replace);
 
     // add to folder/row-ID map
     this.env.subscriptionrows[row.id] = [name, display_name, 0];
@@ -4170,21 +4167,22 @@
     // set folder name
     row.cells[0].innerHTML = display_name;
 
-    // set messages count to zero
-    if (!replace)
+    if (!replace) {
+      // set messages count to zero
       row.cells[1].innerHTML = '*';
 
-    if (!replace && row.cells[2] && row.cells[2].firstChild.tagName.toLowerCase()=='input') {
-      row.cells[2].firstChild.value = name;
-      row.cells[2].firstChild.checked = true;
-    }
+      // update subscription/threading checkboxes
+      $('input[name="_subscribed[]"]', row).val(name).attr('checked', true);
+      $('input[name="_threaded[]"]', row).val(name).attr('checked', false);
 
-    // add new folder to rename-folder list and clear input field
-    if (!replace && (form = this.gui_objects.editform)) {
-      if (form.elements['_folder_oldname'])
-        form.elements['_folder_oldname'].options[form.elements['_folder_oldname'].options.length] = new Option(name,name);
-      if (form.elements['_folder_name'])
-        form.elements['_folder_name'].value = ''; 
+      var elem;
+      // add new folder to rename-folder list and clear input field
+      if (form = this.gui_objects.editform) {
+        if (elem = form.elements['_folder_oldname'])
+          elem.options[elem.options.length] = new Option(name, name);
+        if (elem = form.elements['_folder_name'])
+          elem.value = ''; 
+      }
     }
 
     this.init_subscription_list();
@@ -4238,17 +4236,17 @@
       }
     }
 
-    if (form && form.elements['_folder_newname'])
-      form.elements['_folder_newname'].value = '';
+    if (form && (elm = form.elements['_folder_newname']))
+      elm.value = '';
   };
 
-  this.subscribe_folder = function(folder)
+  this.subscribe = function(folder)
   {
     if (folder)
       this.http_post('subscribe', '_mbox='+urlencode(folder));
   };
 
-  this.unsubscribe_folder = function(folder)
+  this.unsubscribe = function(folder)
   {
     if (folder)
       this.http_post('unsubscribe', '_mbox='+urlencode(folder));
@@ -4506,6 +4504,7 @@
       cont = '<div class="'+type+'">'+cont+'</div>';
 
     var obj = $(this.gui_objects.message).html(cont).show();
+    this.gui_objects.message.__type = type;
 
     if (type!='loading')
       obj.bind('mousedown', function(){ ref.hide_message(); return true; });
@@ -4517,8 +4516,25 @@
   // make a message row disapear
   this.hide_message = function(fade)
   {
+    var msg;
     if (this.gui_objects.message)
-      $(this.gui_objects.message).unbind()[(fade?'fadeOut':'hide')]();
+      msg = this.gui_objects.message;
+    else if (this.env.framed && parent.rcmail)
+      msg = parent.rcmail.gui_objects.message;
+
+    if (msg) {
+      $(msg).unbind()[(fade?'fadeOut':'hide')]();
+      msg.__type = null;
+    }
+  };
+
+  // get type of currently displayed message
+  this.message_type = function()
+  {
+      if (this.gui_objects.message)
+        return this.gui_objects.message.__type;
+      else if (this.env.framed && parent.rcmail && parent.rcmail.gui_objects.message)
+        return parent.rcmail.gui_objects.message.__type;
   };
 
   // mark a mailbox as selected and set environment variable
@@ -4556,58 +4572,54 @@
   // for reordering column array (Konqueror workaround)
   // and for setting some message list global variables
   this.set_message_coltypes = function(coltypes, repl)
-  { 
+  {
     this.env.coltypes = coltypes;
 
     // set correct list titles
-    var thead = this.gui_objects.messagelist ? this.gui_objects.messagelist.tHead : null;
+    var thead = this.gui_objects.messagelist ? this.gui_objects.messagelist.tHead : null,
+      cell, col, n, len;
 
     // replace old column headers
-    if (thead && repl) {
-      for (var cell, c=0; c < repl.length; c++) {
-        cell = thead.rows[0].cells[c];
-        if (!cell) {
+    if (thead) {
+      if (repl) {
+        var th = document.createElement('thead'),
+          tr = document.createElement('tr');
+        for (c=0, len=repl.length; c < len; c++) {
           cell = document.createElement('td');
-          thead.rows[0].appendChild(cell);
+          cell.innerHTML = repl[c].html;
+          if (repl[c].id) cell.id = repl[c].id;
+          if (repl[c].className) cell.className = repl[c].className;
+          tr.appendChild(cell);
         }
-        cell.innerHTML = repl[c].html;
-        if (repl[c].id) cell.id = repl[c].id;
-        if (repl[c].className) cell.className = repl[c].className;
+        th.appendChild(tr);
+        thead.parentNode.replaceChild(th, thead);
+      }
+
+      for (n=0, len=this.env.coltypes.length; n<len; n++) {
+        col = this.env.coltypes[n];
+        if ((cell = thead.rows[0].cells[n]) && (col=='from' || col=='to')) {
+          cell.id = 'rcm'+col;
+          // if we have links for sorting, it's a bit more complicated...
+          if (cell.firstChild && cell.firstChild.tagName.toLowerCase()=='a') {
+            cell = cell.firstChild;
+            cell.onclick = function(){ return rcmail.command('sort', this.__col, this); };
+            cell.__col = col;
+          }
+          cell.innerHTML = this.get_label(col);
+        }
       }
     }
-
-    var cell, col, n;
-    for (n=0; thead && n<this.env.coltypes.length; n++) {
-      col = this.env.coltypes[n];
-      if ((cell = thead.rows[0].cells[n+1]) && (col=='from' || col=='to')) {
-        // if we have links for sorting, it's a bit more complicated...
-        if (cell.firstChild && cell.firstChild.tagName.toLowerCase()=='a') {
-          cell.firstChild.innerHTML = this.get_label(this.env.coltypes[n]);
-          cell.firstChild.onclick = function(){ return rcmail.command('sort', this.__col, this); };
-          cell.firstChild.__col = col;
-        }
-        else
-          cell.innerHTML = this.get_label(this.env.coltypes[n]);
-
-        cell.id = 'rcm'+col;
-      }
-    }
-
-    // remove excessive columns
-    for (var i=n+1; thead && i<thead.rows[0].cells.length; i++)
-      thead.rows[0].removeChild(thead.rows[0].cells[i]);
 
     this.env.subject_col = null;
     this.env.flagged_col = null;
 
-    var found;
-    if ((found = $.inArray('subject', this.env.coltypes)) >= 0) {
-      this.set_env('subject_col', found);
+    if ((n = $.inArray('subject', this.env.coltypes)) >= 0) {
+      this.set_env('subject_col', n);
       if (this.message_list)
-        this.message_list.subject_col = found+1;
+        this.message_list.subject_col = n;
     }
-    if ((found = $.inArray('flag', this.env.coltypes)) >= 0)
-      this.set_env('flagged_col', found);
+    if ((n = $.inArray('flag', this.env.coltypes)) >= 0)
+      this.set_env('flagged_col', n);
 
     this.message_list.init_header();
   };
@@ -4632,7 +4644,7 @@
   this.set_quota = function(content)
   {
     if (content && this.gui_objects.quotadisplay) {
-      if (typeof(content) == 'object')
+      if (typeof(content) == 'object' && content.type == 'image')
         this.percent_indicator(this.gui_objects.quotadisplay, content);
       else
         $(this.gui_objects.quotadisplay).html(content);
@@ -4783,6 +4795,9 @@
       quota_width = parseInt(quota / 100 * width),
       pos = $(obj).position();
 
+    // Opera bug?
+    pos.top = Math.max(0, pos.top);
+
     this.env.indicator_width = width;
     this.env.indicator_height = height;
 
@@ -4791,6 +4806,9 @@
       quota_width = width;
       quota = 100; 
     }
+
+    if (data.title)
+      data.title = this.get_label('quota') + ': ' +  data.title;
 
     // main div
     var main = $('<div>');
@@ -4822,6 +4840,8 @@
 
     // replace quota image
     $(obj).html('').append(bar1).append(bar2).append(main);
+    // update #quotaimg title
+    $('#quotaimg').attr('title', data.title);
   };
 
   /********************************************************/
@@ -4867,15 +4887,41 @@
 
   this.goto_url = function(action, query, lock)
   {
-    var querystring = query ? '&'+query : '';
-    this.redirect(this.env.comm_path+'&_action='+action+querystring, lock);
+    var url = this.env.comm_path,
+     querystring = query ? '&'+query : '';
+
+    // overwrite task name
+    if (action.match(/([a-z]+)\/([a-z-_]+)/)) {
+      action = RegExp.$2;
+      url = url.replace(/\_task=[a-z]+/, '_task='+RegExp.$1);
+    }
+
+    this.redirect(url+'&_action='+action+querystring, lock);
   };
 
   // send a http request to the server
-  this.http_request = function(action, querystring, lock)
+  this.http_request = function(action, query, lock)
   {
-    querystring += (querystring ? '&' : '') + '_remote=1';
-    var url = this.env.comm_path + '&_action=' + action + '&' + querystring
+    var url = this.env.comm_path;
+
+    // overwrite task name
+    if (action.match(/([a-z]+)\/([a-z-_]+)/)) {
+      action = RegExp.$2;
+      url = url.replace(/\_task=[a-z]+/, '_task='+RegExp.$1);
+    }
+
+    // trigger plugin hook
+    var result = this.triggerEvent('request'+action, query);
+
+    if (typeof result != 'undefined') {
+      // abort if one the handlers returned false
+      if (result === false)
+        return false;
+      else
+        query = result;
+    }
+
+    url += '&_remote=1&_action=' + action + (query ? '&' : '') + query;
 
     // send request
     console.log('HTTP GET: ' + url);
@@ -4885,7 +4931,15 @@
   // send a http POST request to the server
   this.http_post = function(action, postdata, lock)
   {
-    var url = this.env.comm_path+'&_action=' + action;
+    var url = this.env.comm_path;
+
+    // overwrite task name
+    if (action.match(/([a-z]+)\/([a-z-_]+)/)) {
+      action = RegExp.$2;
+      url = url.replace(/\_task=[a-z]+/, '_task='+RegExp.$1);
+    }
+
+    url += '&_action=' + action;
 
     if (postdata && typeof(postdata) == 'object') {
       postdata._remote = 1;
@@ -4893,6 +4947,16 @@
     }
     else
       postdata += (postdata ? '&' : '') + '_remote=1' + (lock ? '&_unlock=1' : '');
+
+    // trigger plugin hook
+    var result = this.triggerEvent('request'+action, postdata);
+    if (typeof result != 'undefined') {
+      // abort if one the handlers returned false
+      if (result === false)
+        return false;
+      else
+        postdata = result;
+    }
 
     // send request
     console.log('HTTP POST: ' + url);
@@ -4929,6 +4993,7 @@
     if (response.callbacks && response.callbacks.length) {
       for (var i=0; i < response.callbacks.length; i++)
         this.triggerEvent(response.callbacks[i][0], response.callbacks[i][1]);
+    }
 
     // process the response data according to the sent action
     switch (response.action) {
@@ -4943,21 +5008,25 @@
       case 'moveto':
         if (this.env.action == 'show') {
           // re-enable commands on move/delete error
-          this.enable_command('reply', 'reply-all', 'forward', 'delete', 'mark', 'print', 'open', 'edit', 'viewsource', 'download', true);
+          this.enable_command(this.env.message_commands, true);
         }
-        break;
+        else if (this.task == 'addressbook') {
+          this.triggerEvent('listupdate', { folder:this.env.source, rowcount:this.contact_list.rowcount });
+        }
 
       case 'purge':
       case 'expunge':
-        if (!this.env.messagecount && this.task == 'mail') {
-          // clear preview pane content
-          if (this.env.contentframe)
-            this.show_contentframe(false);
-          // disable commands useless when mailbox is empty
-          this.enable_command('show', 'reply', 'reply-all', 'forward', 'moveto', 'copy', 'delete',
-            'mark', 'viewsource', 'open', 'edit', 'download', 'print', 'load-attachment',
-            'purge', 'expunge', 'select-all', 'select-none', 'sort',
-            'expand-all', 'expand-unread', 'collapse-all', false);
+        if (this.task == 'mail') {
+          if (!this.env.messagecount) {
+            // clear preview pane content
+            if (this.env.contentframe)
+              this.show_contentframe(false);
+            // disable commands useless when mailbox is empty
+            this.enable_command(this.env.message_commands, 'purge', 'expunge',
+              'select-all', 'select-none', 'sort', 'expand-all', 'expand-unread', 'collapse-all', false);
+          }
+          if (this.message_list)
+            this.triggerEvent('listupdate', { folder:this.env.mailbox, rowcount:this.message_list.rowcount });
         }
         break;
 
@@ -5011,9 +5080,9 @@
     if (this._int)
       clearInterval(this._int);
 
-    if (this.env.keep_alive && !this.env.framed && this.task=='mail' && this.gui_objects.mailboxlist)
+    if (this.env.keep_alive && !this.env.framed && this.task == 'mail' && this.gui_objects.mailboxlist)
       this._int = setInterval(function(){ ref.check_for_recent(false); }, this.env.keep_alive * 1000);
-    else if (this.env.keep_alive && !this.env.framed && this.task!='login')
+    else if (this.env.keep_alive && !this.env.framed && this.task != 'login' && this.env.action != 'print')
       this._int = setInterval(function(){ ref.send_keep_alive(); }, this.env.keep_alive * 1000);
   };
 
@@ -5106,19 +5175,28 @@
     }
   };
 
-  // set all fields of a form disabled
+  // disable/enable all fields of a form
   this.lock_form = function(form, lock)
   {
     if (!form || !form.elements)
       return;
 
-    var type;
-    for (var n=0, len=form.elements.length; n<len; n++) {
-      type = form.elements[n];
-      if (type == 'hidden')
+    var n, len, elm;
+
+    if (lock)
+      this.disabled_form_elements = [];
+
+    for (n=0, len=form.elements.length; n<len; n++) {
+      elm = form.elements[n];
+
+      if (elm.type == 'hidden')
         continue;
 
-      form.elements[n].disabled = lock;
+      // remember which elem was disabled before lock
+      if (lock && elm.disabled)
+        this.disabled_form_elements.push(elm);
+      else if (lock || $.inArray(elm, this.disabled_form_elements)<0)
+        elm.disabled = lock;
     }
   };
 
@@ -5128,3 +5206,4 @@
 rcube_webmail.prototype.addEventListener = rcube_event_engine.prototype.addEventListener;
 rcube_webmail.prototype.removeEventListener = rcube_event_engine.prototype.removeEventListener;
 rcube_webmail.prototype.triggerEvent = rcube_event_engine.prototype.triggerEvent;
+

--
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