From 77fad166e30e5fd225495c6c78f525d0ce27c7b3 Mon Sep 17 00:00:00 2001
From: Thomas Bruederli <thomas@roundcube.net>
Date: Wed, 04 Jul 2012 17:39:45 -0400
Subject: [PATCH] Some last layout changes for Larry: move search box to the right, visually connect message list footer to the list

---
 skins/larry/ui.js |  547 ++++++++++++++++++++++++++++++++++++++++++++++--------
 1 files changed, 466 insertions(+), 81 deletions(-)

diff --git a/skins/larry/ui.js b/skins/larry/ui.js
index ef4b65a..884ee55 100644
--- a/skins/larry/ui.js
+++ b/skins/larry/ui.js
@@ -7,13 +7,12 @@
  * License. It is allowed to copy, distribute, transmit and to adapt the work
  * by keeping credits to the original autors in the README file.
  * See http://creativecommons.org/licenses/by-sa/3.0/ for details.
- *
- * $Id$
  */
 
 
 function rcube_mail_ui()
 {
+  var env = {};
   var popups = {};
   var popupconfig = {
     forwardmenu:        { editable:1 },
@@ -23,6 +22,7 @@
     groupmenu:          { above:1 },
     mailboxmenu:        { above:1 },
     composeoptionsmenu: { editable:1, overlap:1 },
+    spellmenu:          { callback: spellmenu },
     // toggle: #1486823, #1486930
     'attachment-form':  { editable:1, above:1, toggle:!bw.ie&&!bw.linux },
     'upload-form':      { editable:1, toggle:!bw.ie&&!bw.linux }
@@ -33,23 +33,38 @@
   var compose_headers = {};
 
   // export public methods
+  this.set = setenv;
   this.init = init;
+  this.init_tabs = init_tabs;
+  this.show_about = show_about;
   this.show_popup = show_popup;
   this.set_searchmod = set_searchmod;
   this.show_uploadform = show_uploadform;
   this.show_header_row = show_header_row;
   this.hide_header_row = hide_header_row;
 
+
   /**
    *
    */
+  function setenv(key, val)
+  {
+    env[key] = val;
+  }
+
+  /**
+   * Initialize UI
+   * Called on document.ready
+   */
   function init()
   {
+    rcmail.addEventListener('message', message_displayed);
+
+    /***  mail task  ***/
     if (rcmail.env.task == 'mail') {
       rcmail.addEventListener('menu-open', show_listoptions);
       rcmail.addEventListener('menu-save', save_listoptions);
-      rcmail.addEventListener('aftersend-attachment', show_uploadform);
-      rcmail.addEventListener('aftertoggle-editor', function(){ window.setTimeout(function(){ layout_composeview() }, 100); });
+      rcmail.addEventListener('responseafterlist', function(e){ switch_view_mode(rcmail.env.threading ? 'thread' : 'list') });
 
       var dragmenu = $('#dragmessagemenu');
       if (dragmenu.length) {
@@ -57,83 +72,176 @@
         popups.dragmessagemenu = dragmenu;
       }
 
-      var previewframe = $('#mailpreviewframe').is(':visible');
-      $('#mailpreviewtoggle').addClass(previewframe ? 'enabled' : 'closed').click(function(e){ toggle_preview_pane(e); return false });
-      $('#maillistmode').addClass(rcmail.env.threading ? '' : 'selected').click(function(e){ switch_view_mode('list'); return false });
-      $('#mailthreadmode').addClass(rcmail.env.threading ? 'selected' : '').click(function(e){ switch_view_mode('thread'); return false });
-
       if (rcmail.env.action == 'show' || rcmail.env.action == 'preview') {
         layout_messageview();
+        rcmail.addEventListener('aftershow-headers', function() { layout_messageview(); });
+        rcmail.addEventListener('afterhide-headers', function() { layout_messageview(); });
+        $('#previewheaderstoggle').click(function(e){ toggle_preview_headers(this); return false });
       }
       else if (rcmail.env.action == 'compose') {
+        rcmail.addEventListener('aftertoggle-editor', function(){ window.setTimeout(function(){ layout_composeview() }, 200); });
+        rcmail.addEventListener('aftersend-attachment', show_uploadform);
+        rcmail.addEventListener('add-recipient', function(p){ show_header_row(p.field, true); });
         layout_composeview();
 
-        $('#composeoptionstoggle').click(function(){
-          $(this).toggleClass('enabled');
+        // Show input elements with non-empty value
+        var field, fields = ['cc', 'bcc', 'replyto', 'followupto'];
+        for (var f=0; f < fields.length; f++) {
+          if ((field = $('#_'+fields[f])) && field.length && field.val() != '')
+            show_header_row(fields[f], true);
+        }
+
+        $('#composeoptionstoggle').parent().click(function(){
+          $('#composeoptionstoggle').toggleClass('enabled');
           $('#composeoptions').toggle();
           layout_composeview();
           return false;
-        });
+        }).css('cursor', 'pointer');
 
         new rcube_splitter({ id:'composesplitterv', p1:'#composeview-left', p2:'#composeview-right',
-          orientation:'v', relative:true, start:248, min:150, size:12 }).init();
+          orientation:'v', relative:true, start:248, min:170, size:12, render:layout_composeview }).init();
       }
       else if (rcmail.env.action == 'list' || !rcmail.env.action) {
-          mailviewsplit = new rcube_splitter({ id:'mailviewsplitter', p1:'#mailview-top', p2:'#mailview-bottom',
-            orientation:'h', relative:true, start:310, min:150, size:0, offset:-22 });
-          if (previewframe)
-            mailviewsplit.init();
+        var previewframe = $('#mailpreviewframe').is(':visible');
+        $('#mailpreviewtoggle').addClass(previewframe ? 'enabled' : 'closed').click(function(e){ toggle_preview_pane(e); return false });
+        $('#maillistmode').addClass(rcmail.env.threading ? '' : 'selected').click(function(e){ switch_view_mode('list'); return false });
+        $('#mailthreadmode').addClass(rcmail.env.threading ? 'selected' : '').click(function(e){ switch_view_mode('thread'); return false });
+
+        mailviewsplit = new rcube_splitter({ id:'mailviewsplitter', p1:'#mailview-top', p2:'#mailview-bottom',
+          orientation:'h', relative:true, start:310, min:150, size:6, offset:-18 });
+        if (previewframe)
+          mailviewsplit.init();
+
+        new rcube_scroller('#folderlist-content', '#folderlist-header', '#folderlist-footer');
+
+        rcmail.addEventListener('setquota', update_quota);
       }
-      
+
       if ($('#mailview-left').length) {
         new rcube_splitter({ id:'mailviewsplitterv', p1:'#mailview-left', p2:'#mailview-right',
-          orientation:'v', relative:true, start:248, min:150, size:12, callback:render_mailboxlist, render:resize_leftcol }).init();
+          orientation:'v', relative:true, start:226, min:150, size:12, callback:render_mailboxlist, render:resize_leftcol }).init();
       }
     }
+    /***  settings task  ***/
     else if (rcmail.env.task == 'settings') {
-      var tab = '#settingstabpreferences';
-      if (rcmail.env.action)
-        tab = '#settingstab' + (rcmail.env.action.indexOf('identity')>0 ? 'identities' : rcmail.env.action.replace(/\./g, ''));
+      rcmail.addEventListener('init', function(){
+        var tab = '#settingstabpreferences';
+        if (rcmail.env.action)
+          tab = '#settingstab' + (rcmail.env.action.indexOf('identity')>0 ? 'identities' : rcmail.env.action.replace(/\./g, ''));
 
-      $(tab).addClass('selected')
-        .children().first().removeAttr('onclick').click(function() { return false; });
+        $(tab).addClass('selected')
+          .children().first().removeAttr('onclick').click(function() { return false; });
+      });
 
       if (rcmail.env.action == 'folders') {
         new rcube_splitter({ id:'folderviewsplitter', p1:'#folderslist', p2:'#folder-details',
-          orientation:'v', relative:true, start:305, min:150, size:12 }).init();
+          orientation:'v', relative:true, start:266, min:180, size:12 }).init();
+
+        new rcube_scroller('#folderslist-content', '#folderslist-header', '#folderslist-footer');
+
+        rcmail.addEventListener('setquota', update_quota);
       }
-      else if (rcmail.env.action.indexOf('identit') >= 0) {
+      else if (rcmail.env.action == 'identities') {
         new rcube_splitter({ id:'identviewsplitter', p1:'#identitieslist', p2:'#identity-details',
-          orientation:'v', relative:true, start:305, min:150, size:12 }).init();
+          orientation:'v', relative:true, start:266, min:180, size:12 }).init();
+      }
+    }
+    /***  addressbook task  ***/
+    else if (rcmail.env.task == 'addressbook') {
+      rcmail.addEventListener('afterupload-photo', show_uploadform);
+
+      if (rcmail.env.action == '') {
+        new rcube_splitter({ id:'addressviewsplitterd', p1:'#addressview-left', p2:'#addressview-right',
+          orientation:'v', relative:true, start:226, min:150, size:12, render:resize_leftcol }).init();
+        new rcube_splitter({ id:'addressviewsplitter', p1:'#addresslist', p2:'#contacts-box',
+          orientation:'v', relative:true, start:286, min:270, size:12 }).init();
+
+        new rcube_scroller('#directorylist-content', '#directorylist-header', '#directorylist-footer');
       }
     }
 
-    $(document.body).bind('mouseup', function(e){
-      var config, obj, target = e.target;
-      for (var id in popups) {
-        obj = popups[id];
-        config = popupconfig[id];
-        if (obj.is(':visible')
-          && target.id != id+'link'
-          && !config.toggle
-          && (!config.editable || !target_overlaps(target, obj.get(0)))
-          && (!config.sticky || !rcube_mouse_is_over(e, obj.get(0)))
-        ) {
-          var myid = id+'';
-          window.setTimeout(function(){ show_popupmenu(myid, false) }, 10);
-        }
+    // turn a group of fieldsets into tabs
+    $('.tabbed').each(function(idx, elem){ init_tabs(elem); })
+
+    // decorate select elements
+    $('select.decorated').each(function(){
+      if (bw.opera) {
+        $(this).removeClass('decorated');
+        return;
       }
-    })
-    .bind('keyup', function(e){
-      if (e.keyCode == 27) {
-        for (var id in popups) {
-          if (popups[id].is(':visible'))
-            show_popup(id, false);
-        }
-      }
+
+      var select = $(this),
+        height = Math.max(select.height(), 24) - 2,
+        width = select.width() - 22,
+        title = $('option', this).first().text();
+
+      if ($('option:selected', this).val() != '')
+        title = $('option:selected', this).text();
+
+      var overlay = $('<a class="menuselector"><span class="handle">' + title + '</span></a>')
+        .css('position', 'absolute')
+        .offset(select.position())
+        .insertAfter(select);
+
+      overlay.children().width(width).height(height).css('line-height', (height - 1) + 'px');
+
+      select.change(function() {
+          var val = $('option:selected', this).text();
+          $(this).next().children().html(val);
+        });
+
+      var parent = select.parent();
+      if (parent.css('position') != 'absolute')
+        parent.css('position', 'relative');
+
+      // re-set original select width to fix click action and options width in some browsers
+      select.width(overlay.width());
     });
-    
-    $(window).resize(resize);
+
+    $(document.body)
+      .bind('mouseup', body_mouseup)
+      .bind('keyup', function(e){
+        if (e.keyCode == 27) {
+          for (var id in popups) {
+            if (popups[id].is(':visible'))
+              show_popup(id, false);
+          }
+        }
+      });
+
+    $('iframe').load(function(e){
+      // this = iframe
+      var doc = this.contentDocument ? this.contentDocument : this.contentWindow ? this.contentWindow.document : null;
+      $(doc).mouseup(body_mouseup);
+    })
+    .contents().mouseup(body_mouseup);
+
+    // don't use $(window).resize() due to some unwanted side-effects
+    window.onresize = resize;
+  }
+
+  /**
+   * Handler for mouse-up events on the document body.
+   * This will close all open popup menus
+   */
+  function body_mouseup(e)
+  {
+    var config, obj, target = e.target;
+    if (target.className == 'inner')
+        target = e.target.parentNode;
+    for (var id in popups) {
+      obj = popups[id];
+      config = popupconfig[id];
+      if (obj.is(':visible')
+        && target.id != id+'link'
+        && !config.toggle
+        && (!config.editable || !target_overlaps(target, obj.get(0)))
+        && (!config.sticky || !rcube_mouse_is_over(e, obj.get(0)))
+      ) {
+        var myid = id+'';
+        window.setTimeout(function(){ show_popupmenu(myid, false) }, 10);
+      }
+    }
   }
 
   /**
@@ -150,13 +258,47 @@
   }
 
   /**
+   * Triggered when a new user message is displayed
+   */
+  function message_displayed(p)
+  {
+    // show a popup dialog on errors
+    if (p.type == 'error') {
+      if (!me.messagedialog) {
+        me.messagedialog = $('<div>').addClass('popupdialog');
+      }
+
+      var pos = $(p.object).offset();
+      pos.top -= (rcmail.env.task == 'login' ? 20 : 160);
+      me.messagedialog.dialog('close');
+      me.messagedialog.html(p.message)
+        .dialog({
+          resizable: false,
+          closeOnEscape: true,
+          dialogClass: 'popupmessage ' + p.type,
+          title: env.errortitle,
+          close: function() {
+            me.messagedialog.dialog('destroy').hide();
+          },
+          position: ['center', pos.top],
+          hide: { effect:'drop', direction:'down' },
+          width: 420,
+          minHeight: 90
+        }).show();
+
+      window.setTimeout(function(){ me.messagedialog.dialog('close'); }, Math.max(2000, p.timeout / 2));
+    }
+  }
+
+
+  /**
    * Adjust UI objects of the mail view screen
    */
   function layout_messageview()
   {
     $('#messagecontent').css('top', ($('#messageheader').outerHeight() + 10) + 'px');
     $('#message-objects div a').addClass('button');
-    
+
     if (!$('#attachment-list li').length) {
       $('div.rightcol').hide();
       $('div.leftcol').css('margin-right', '0');
@@ -166,12 +308,13 @@
 
   function render_mailboxlist(splitter)
   {
+    // TODO: implement smart shortening of long folder names
   }
 
 
   function resize_leftcol(splitter)
   {
-    if (splitter)
+    if (0&&splitter)
       $('#quicksearchbar input').css('width', (splitter.pos - 70) + 'px');
   }
 
@@ -179,22 +322,35 @@
   function layout_composeview()
   {
     var body = $('#composebody'),
+      form = $('#compose-content'),
       bottom = $('#composeview-bottom'),
       w, h;
 
-    bottom.css('height', (bottom.parent().height() - bottom.position().top) + 'px');
+    bottom.css('height', (form.height() - bottom.position().top) + 'px');
 
-    w = body.parent().width() - 8;
-    h = body.parent().height() - 36;
+    w = body.parent().width() - 5;
+    h = body.parent().height() - 16;
     body.width(w).height(h);
 
-    if (window.tinyMCE && tinyMCE.get('composebody')) {
-      $('#composebody_tbl').width((w+6)+'px').height('');
-      $('#composebody_ifr').width((w+6)+'px').height((h-54)+'px');
-    }
-    else {
-      $('#googie_edit_layer').height(h+'px');
-    }
+    $('#composebody_tbl').width((w+8)+'px').height('').css('margin-top', '1px');
+    $('#composebody_ifr').width((w+8)+'px').height((h-40)+'px');
+    $('#googie_edit_layer').height(h+'px');
+
+    var abooks = $('#directorylist');
+    $('#compose-contacts .scroller').css('top', abooks.position().top + abooks.outerHeight());
+  }
+
+
+  function update_quota(p)
+  {
+    var step = 24, step_count = 20,
+      y = p.total ? Math.ceil(p.percent / 100 * step_count) * step : 0;
+
+    // never show full-circle if quota is close to 100% but below.
+    if (p.total && y == step * step_count && p.percent < 100)
+      y -= step;
+
+    $('#quotadisplay').css('background-position', '0 -'+y+'px');
   }
 
 
@@ -261,7 +417,7 @@
       $('select').css('visibility', show?'hidden':'inherit');
       $('select', obj).css('visibility', 'inherit');
     }
-    
+
     return show;
   }
 
@@ -294,7 +450,7 @@
     button.removeClass().addClass(visible ? 'enabled' : 'closed');
 
     if (visible) {
-      $('#mailview-top').css({ bottom:'auto' });
+      $('#mailview-top').removeClass('fullheight').css({ bottom:'auto' });
       $('#mailview-bottom').css({ height:'auto' });
 
       rcmail.env.contentframe = 'messagecontframe';
@@ -313,7 +469,7 @@
       rcmail.env.contentframe = null;
       rcmail.show_contentframe(false);
 
-      $('#mailview-top').css({ height:'auto', bottom:'28px' });
+      $('#mailview-top').addClass('fullheight').css({ height:'auto', bottom:'28px' });
       $('#mailview-bottom').css({ top:'auto', height:'26px' });
 
       if (mailviewsplit.handle)
@@ -324,6 +480,23 @@
       rcmail.message_list.scrollto(uid);
 
     rcmail.command('save-pref', { name:'preview_pane', value:(visible?1:0) });
+  }
+
+
+  /**
+   * Switch between short and full headers display in message preview
+   */
+  function toggle_preview_headers(button)
+  {
+    $('#preview-shortheaders').toggle();
+    var full = $('#preview-allheaders').toggle(),
+      button = $('a#previewheaderstoggle');
+
+    // add toggle button to full headers table
+    if (full.is(':visible'))
+      button.attr('href', '#hide').removeClass('add').addClass('remove')
+    else
+      button.attr('href', '#details').removeClass('remove').addClass('add')
   }
 
 
@@ -370,6 +543,42 @@
           $('#s_mod_' + n).prop('checked', true);
       }
     }
+  }
+
+
+  function spellmenu(show)
+  {
+    var link, li,
+      lang = rcmail.spellcheck_lang(),
+      menu = popups.spellmenu,
+      ul = $('ul', menu);
+
+    if (!ul.length) {
+      ul = $('<ul class="toolbarmenu selectable">');
+
+      for (i in rcmail.env.spell_langs) {
+        li = $('<li>');
+        link = $('<a href="#"></a>').text(rcmail.env.spell_langs[i])
+          .addClass('active').data('lang', i)
+          .click(function() {
+            rcmail.spellcheck_lang_set($(this).data('lang'));
+          });
+
+        link.appendTo(li);
+        li.appendTo(ul);
+      }
+
+      ul.appendTo(menu);
+    }
+
+    // select current language
+    $('li', ul).each(function() {
+      var el = $('a', this);
+      if (el.data('lang') == lang)
+        el.addClass('selected');
+      else if (el.hasClass('selected'))
+        el.removeClass('selected');
+    });
   }
 
 
@@ -494,6 +703,17 @@
       $dialog.dialog('close');
       return;
     }
+    
+    // add icons to clone file input field
+    if (rcmail.env.action == 'compose' && !$dialog.data('extended')) {
+      $('<a>')
+        .addClass('iconlink add')
+        .attr('href', '#add')
+        .html('Add')
+        .appendTo($('input[type="file"]', $dialog).parent())
+        .click(add_uploadfile);
+      $dialog.data('extended', true);
+    }
 
     $dialog.dialog({
       modal: true,
@@ -505,24 +725,42 @@
         catch(e){ }  // ignore errors
 
         $dialog.dialog('destroy').hide();
+        $('div.addline', $dialog).remove();
       },
       width: 480
     }).show();
 
     if (!document.all)
-      $('input[type=file]', $dialog).click();
+      $('input[type=file]', $dialog).first().click();
   }
+
+  function add_uploadfile(e)
+  {
+    var div = $(this).parent();
+    var clone = div.clone().addClass('addline').insertAfter(div);
+    clone.children('.iconlink').click(add_uploadfile);
+    clone.children('input').val('');
+
+    if (!document.all)
+      $('input[type=file]', clone).click();
+  }
+
 
   /**
    *
    */
-  function show_header_row(which)
+  function show_header_row(which, updated)
   {
-    if (compose_headers[which])
+    var row = $('#compose-' + which);
+    if (row.is(':visible'))
+      return;  // nothing to be done here
+
+    if (compose_headers[which] && !updated)
       $('#_' + which).val(compose_headers[which]);
-    $('#compose-' + which).show();
+
+    row.show();
     $('#' + which + '-link').hide();
-    this.resize_compose_body();
+    layout_composeview();
     return false;
   }
 
@@ -538,14 +776,141 @@
 
     $('#compose-' + which).hide();
     $('#' + which + '-link').show();
-    this.resize_compose_body();
+    layout_composeview();
+    return false;
+  }
+
+
+  /**
+   * Fieldsets-to-tabs converter
+   */
+  function init_tabs(elem, current)
+  {
+    var content = $(elem),
+      id = content.get(0).id,
+      fs = content.children('fieldset');
+
+    if (!fs.length)
+      return;
+
+    if (!id) {
+      id = 'rcmtabcontainer';
+      content.attr('id', id);
+    }
+
+    // first hide not selected tabs
+    current = current || 0;
+    fs.each(function(idx) { if (idx != current) $(this).hide(); });
+
+    // create tabs container
+    var tabs = $('<div>').addClass('tabsbar').prependTo(content);
+
+    // convert fildsets into tabs
+    fs.each(function(idx) {
+      var tab, a, elm = $(this), legend = elm.children('legend');
+
+      // create a tab
+      a   = $('<a>').text(legend.text()).attr('href', '#');
+      tab = $('<span>').attr({'id': 'tab'+idx, 'class': 'tablink'})
+        .click(function() { show_tab(id, idx); return false })
+
+      // remove legend
+      legend.remove();
+      // style fieldset
+      elm.addClass('tab');
+      // style selected tab
+      if (idx == current)
+        tab.addClass('selected');
+
+      // add the tab to container
+      tab.append(a).appendTo(tabs);
+    });
+  }
+
+  function show_tab(id, index)
+  {
+    var fs = $('#'+id).children('fieldset');
+
+    fs.each(function(idx) {
+      // Show/hide fieldset (tab content)
+      $(this)[index==idx ? 'show' : 'hide']();
+      // Select/unselect tab
+      $('#tab'+idx).toggleClass('selected', idx==index);
+    });
+  }
+
+  /**
+   * Show about page as jquery UI dialog
+   */
+  function show_about(elem)
+  {
+    var frame = $('<iframe>').attr('id', 'aboutframe')
+      .attr('src', rcmail.url('settings/about'))
+      .attr('frameborder', '0')
+      .appendTo(document.body);
+
+    var h = Math.floor($(window).height() * 0.75);
+    var buttons = {};
+    var supportln = $('#supportlink');
+    if (supportln.length && (env.supporturl = supportln.attr('href')))
+      buttons[supportln.html()] = function(e){ env.supporturl.indexOf('mailto:') < 0 ? window.open(env.supporturl) : location.href = env.supporturl };
+
+    frame.dialog({
+      modal: true,
+      resizable: false,
+      closeOnEscape: true,
+      title: elem ? elem.title || elem.innerHTML : null,
+      close: function() {
+        frame.dialog('destroy').remove();
+      },
+      buttons: buttons,
+      width: 640,
+      height: h
+    }).width(640);
   }
 }
 
 
+/**
+ * Roundcube Scroller class
+ */
+function rcube_scroller(list, top, bottom)
+{
+  var ref = this;
+
+  this.list = $(list);
+  this.top = $(top);
+  this.bottom = $(bottom);
+  this.step_size = 6;
+  this.step_time = 20;
+  this.delay = 500;
+
+  this.top
+    .mouseenter(function() { ref.ts = window.setTimeout(function() { ref.scroll('down'); }, ref.delay); })
+    .mouseout(function() { if (ref.ts) window.clearTimeout(ref.ts); });
+
+  this.bottom
+    .mouseenter(function() { ref.ts = window.setTimeout(function() { ref.scroll('up'); }, ref.delay); })
+    .mouseout(function() { if (ref.ts) window.clearTimeout(ref.ts); });
+
+  this.scroll = function(dir)
+  {
+    var ref = this, size = this.step_size;
+
+    if (!rcmail.drag_active)
+      return;
+
+    if (dir == 'down')
+      size *= -1;
+
+    this.list.get(0).scrollTop += size;
+    this.ts = window.setTimeout(function() { ref.scroll(dir); }, this.step_time);
+  };
+};
+
 
 /**
- * Roundcube splitter GUI class
+ * Roundcube UI splitter class
  *
  * @constructor
  */
@@ -564,11 +929,16 @@
   this.callback = p.callback;
 
   var me = this;
+  rcube_splitter._instances[this.id] = me;
 
   this.init = function()
   {
     this.p1 = $(this.p.p1);
     this.p2 = $(this.p.p2);
+
+    // check if referenced elements exist, otherwise abort
+    if (!this.p1.length || !this.p2.length)
+      return;
 
     // create and position the handle for this splitter
     this.p1pos = this.relative ? this.p1.position() : this.p1.offset();
@@ -589,11 +959,9 @@
       this.handle.css({ left:left+'px', top:'0px' });
     }
 
-    this.elm = this.handle.get(0);
-
     // listen to window resize on IE
     if (bw.ie)
-      $(window).resize(function(e){ onResize(e) });
+      $(window).resize(onResize);
 
     // read saved position from cookie
     var cookie = bw.get_cookie(this.id);
@@ -619,7 +987,7 @@
       this.handle.css('top', Math.round(this.pos - this.halfsize + this.offset)+'px');
       if (bw.ie) {
         var new_height = parseInt(this.p2.parent().outerHeight(), 10) - parseInt(this.p2.css('top'), 10) - (bw.ie8 ? 2 : 0);
-        this.p2.css('height') = (new_height > 0 ? new_height : 0) + 'px';
+        this.p2.css('height', (new_height > 0 ? new_height : 0) + 'px');
       }
     }
     else {
@@ -634,6 +1002,14 @@
 
     this.p2.resize();
     this.p1.resize();
+
+    // also resize iframe covers
+    if (this.drag_active) {
+      $('iframe').each(function(i, elem) {
+        var pos = $(this).offset();
+        $('#iframe-splitter-fix-'+i).css({ top: pos.top+'px', left: pos.left+'px', width:elem.offsetWidth+'px', height: elem.offsetHeight+'px' });
+      });
+    }
 
     if (typeof this.render == 'function')
       this.render(this);
@@ -656,10 +1032,12 @@
     $(document).bind('mousemove.'+this.id, onDrag).bind('mouseup.'+this.id, onDragStop);
 
     // enable dragging above iframes
-    $('iframe').each(function() {
-      $('<div class="iframe-splitter-fix"></div>')
+    $('iframe').each(function(i, elem) {
+      $('<div>')
+        .attr('id', 'iframe-splitter-fix-'+i)
+        .addClass('iframe-splitter-fix')
         .css({ background: '#fff',
-          width: this.offsetWidth+'px', height: this.offsetHeight+'px',
+          width: elem.offsetWidth+'px', height: elem.offsetHeight+'px',
           position: 'absolute', opacity: '0.001', zIndex: 1000
         })
         .css($(this).offset())
@@ -715,7 +1093,7 @@
     me.drag_active = false;
 
     // remove temp divs
-    $('div.iframe-splitter-fix').each(function(){ this.parentNode.removeChild(this); });
+    $('div.iframe-splitter-fix').remove();
 
     me.set_cookie();
 
@@ -753,3 +1131,10 @@
 } // end class rcube_splitter
 
 
+// static getter for splitter instances
+rcube_splitter._instances = {};
+
+rcube_splitter.get_instance = function(id)
+{
+  return rcube_splitter._instances[id];
+};

--
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