From 216b31dd99b54e7be3df8feebeafae72e423bb1c Mon Sep 17 00:00:00 2001
From: Aleksander Machniak <alec@alec.pl>
Date: Wed, 25 Feb 2015 05:24:05 -0500
Subject: [PATCH] Fix so "over quota" errors are displayed also in message compose page

---
 program/steps/settings/func.inc | 2139 +++++++++++++++++++++++++++++++++++------------------------
 1 files changed, 1,266 insertions(+), 873 deletions(-)

diff --git a/program/steps/settings/func.inc b/program/steps/settings/func.inc
index 876e027..087b236 100644
--- a/program/steps/settings/func.inc
+++ b/program/steps/settings/func.inc
@@ -5,7 +5,7 @@
  | program/steps/settings/func.inc                                       |
  |                                                                       |
  | This file is part of the Roundcube Webmail client                     |
- | Copyright (C) 2005-2012, The Roundcube Dev Team                       |
+ | Copyright (C) 2005-2013, The Roundcube Dev Team                       |
  |                                                                       |
  | Licensed under the GNU General Public License version 3 or            |
  | any later version with exceptions for skins & plugins.                |
@@ -19,927 +19,1281 @@
  +-----------------------------------------------------------------------+
 */
 
-if (!$OUTPUT->ajax_call)
-  $OUTPUT->set_pagetitle(rcube_label('preferences'));
+if (!$OUTPUT->ajax_call) {
+    $OUTPUT->set_pagetitle($RCMAIL->gettext('preferences'));
+}
+
+// register UI objects
+$OUTPUT->add_handlers(array(
+    'settingstabs'   => 'rcmail_settings_tabs',
+    'prefsframe'     => 'rcmail_preferences_frame',
+    'sectionslist'   => 'rcmail_sections_list',
+    'identitieslist' => 'rcmail_identities_list',
+));
+
+// register action aliases
+$RCMAIL->register_action_map(array(
+    'folders'       => 'folders.inc',
+    'rename-folder' => 'folders.inc',
+    'delete-folder' => 'folders.inc',
+    'subscribe'     => 'folders.inc',
+    'unsubscribe'   => 'folders.inc',
+    'purge'         => 'folders.inc',
+    'folder-size'   => 'folders.inc',
+    'add-identity'  => 'edit_identity.inc',
+    'add-response'  => 'edit_response.inc',
+    'save-response' => 'edit_response.inc',
+    'delete-response' => 'responses.inc',
+    'delete-identity' => 'identities.inc',
+    'upload-display'  => 'upload.inc',
+));
 
 
 // similar function as /steps/settings/identities.inc::rcmail_identity_frame()
 function rcmail_preferences_frame($attrib)
 {
-  global $OUTPUT;
+    global $OUTPUT;
 
-  if (!$attrib['id'])
-    $attrib['id'] = 'rcmprefsframe';
+    if (!$attrib['id']) {
+        $attrib['id'] = 'rcmprefsframe';
+    }
 
-  return $OUTPUT->frame($attrib, true);
+    return $OUTPUT->frame($attrib, true);
 }
 
 
 function rcmail_sections_list($attrib)
 {
-  global $RCMAIL;
+    global $RCMAIL;
 
-  // add id to message list table if not specified
-  if (!strlen($attrib['id']))
-    $attrib['id'] = 'rcmsectionslist';
+    // add id to message list table if not specified
+    if (!strlen($attrib['id'])) {
+        $attrib['id'] = 'rcmsectionslist';
+    }
 
-  list($list, $cols) = rcmail_user_prefs();
+    list($list, $cols) = rcmail_user_prefs();
 
-  // create XHTML table
-  $out = rcube_table_output($attrib, $list, $cols, 'id');
+    // create XHTML table
+    $out = $RCMAIL->table_output($attrib, $list, $cols, 'id');
 
-  // set client env
-  $RCMAIL->output->add_gui_object('sectionslist', $attrib['id']);
-  $RCMAIL->output->include_script('list.js');
+    // set client env
+    $RCMAIL->output->add_gui_object('sectionslist', $attrib['id']);
+    $RCMAIL->output->include_script('list.js');
 
-  return $out;
+    return $out;
 }
 
 
 function rcmail_identities_list($attrib)
 {
-  global $OUTPUT, $RCMAIL;
+    global $OUTPUT, $RCMAIL;
 
-  // add id to message list table if not specified
-  if (!strlen($attrib['id']))
-    $attrib['id'] = 'rcmIdentitiesList';
+    // add id to message list table if not specified
+    if (!strlen($attrib['id'])) {
+        $attrib['id'] = 'rcmIdentitiesList';
+    }
 
-  // get identities list and define 'mail' column
-  $list = $RCMAIL->user->list_identities();
-  foreach ($list as $idx => $row)
-    $list[$idx]['mail'] = trim($row['name'] . ' <' . rcube_idn_to_utf8($row['email']) .'>');
+    // get identities list and define 'mail' column
+    $list = $RCMAIL->user->list_emails();
+    foreach ($list as $idx => $row) {
+        $list[$idx]['mail'] = trim($row['name'] . ' <' . rcube_utils::idn_to_utf8($row['email']) . '>');
+    }
 
-  // get all identites from DB and define list of cols to be displayed
-  $plugin = $RCMAIL->plugins->exec_hook('identities_list', array(
-    'list' => $list,
-    'cols' => array('mail')));
+    // get all identites from DB and define list of cols to be displayed
+    $plugin = $RCMAIL->plugins->exec_hook('identities_list', array(
+        'list' => $list,
+        'cols' => array('mail')
+    ));
 
-  // @TODO: use <UL> instead of <TABLE> for identities list
-  // create XHTML table
-  $out = rcube_table_output($attrib, $plugin['list'], $plugin['cols'], 'identity_id');
+    // @TODO: use <UL> instead of <TABLE> for identities list
+    // create XHTML table
+    $out = $RCMAIL->table_output($attrib, $plugin['list'], $plugin['cols'], 'identity_id');
 
-  // set client env
-  $OUTPUT->add_gui_object('identitieslist', $attrib['id']);
+    // set client env
+    $OUTPUT->add_gui_object('identitieslist', $attrib['id']);
 
-  return $out;
+    return $out;
 }
 
 
 // similar function as in /steps/addressbook/edit.inc
 function get_form_tags($attrib, $action, $id = null, $hidden = null)
 {
-  global $EDIT_FORM, $RCMAIL;
+    global $EDIT_FORM, $RCMAIL;
 
-  $form_start = $form_end = '';
+    $form_start = $form_end = '';
 
-  if (empty($EDIT_FORM)) {
-    $request_key = $action . (isset($id) ? '.'.$id : '');
-    $form_start = $RCMAIL->output->request_form(array(
-	  'name'    => 'form',
-	  'method'  => 'post',
-	  'task'    => $RCMAIL->task,
-	  'action'  => $action,
-	  'request' => $request_key,
-	  'noclose' => true
-	) + $attrib);
+    if (empty($EDIT_FORM)) {
+        $request_key = $action . (isset($id) ? '.'.$id : '');
+        $form_start = $RCMAIL->output->request_form(array(
+            'name'    => 'form',
+            'method'  => 'post',
+            'task'    => $RCMAIL->task,
+            'action'  => $action,
+            'request' => $request_key,
+            'noclose' => true
+        ) + $attrib);
 
-    if (is_array($hidden)) {
-      $hiddenfields = new html_hiddenfield($hidden);
-      $form_start .= $hiddenfields->show();
+        if (is_array($hidden)) {
+            $hiddenfields = new html_hiddenfield($hidden);
+            $form_start .= $hiddenfields->show();
+        }
+
+        $form_end = !strlen($attrib['form']) ? '</form>' : '';
+
+        $EDIT_FORM = !empty($attrib['form']) ? $attrib['form'] : 'form';
+        $RCMAIL->output->add_gui_object('editform', $EDIT_FORM);
     }
 
-    $form_end = !strlen($attrib['form']) ? '</form>' : '';
-
-    $EDIT_FORM = !empty($attrib['form']) ? $attrib['form'] : 'form';
-    $RCMAIL->output->add_gui_object('editform', $EDIT_FORM);
-  }
-
-  return array($form_start, $form_end);
+    return array($form_start, $form_end);
 }
 
 
-function rcmail_user_prefs($current=null)
+function rcmail_user_prefs($current = null)
 {
-  global $RCMAIL;
+    global $RCMAIL;
 
-  $sections['general'] = array('id' => 'general', 'section' => rcube_label('uisettings'));
-  $sections['mailbox'] = array('id' => 'mailbox', 'section' => rcube_label('mailboxview'));
-  $sections['mailview'] = array('id' => 'mailview','section' => rcube_label('messagesdisplaying'));
-  $sections['compose'] = array('id' => 'compose', 'section' => rcube_label('messagescomposition'));
-  $sections['addressbook'] = array('id' => 'addressbook','section' => rcube_label('addressbook'));
-  $sections['folders'] = array('id' => 'folders', 'section' => rcube_label('specialfolders'));
-  $sections['server'] = array('id' => 'server',  'section' => rcube_label('serversettings'));
+    $sections['general']     = array('id' => 'general', 'section' => $RCMAIL->gettext('uisettings'));
+    $sections['mailbox']     = array('id' => 'mailbox', 'section' => $RCMAIL->gettext('mailboxview'));
+    $sections['mailview']    = array('id' => 'mailview','section' => $RCMAIL->gettext('messagesdisplaying'));
+    $sections['compose']     = array('id' => 'compose', 'section' => $RCMAIL->gettext('messagescomposition'));
+    $sections['addressbook'] = array('id' => 'addressbook','section' => $RCMAIL->gettext('addressbook'));
+    $sections['folders']     = array('id' => 'folders', 'section' => $RCMAIL->gettext('specialfolders'));
+    $sections['server']      = array('id' => 'server',  'section' => $RCMAIL->gettext('serversettings'));
 
-  // hook + define list cols
-  $plugin = $RCMAIL->plugins->exec_hook('preferences_sections_list',
+    // hook + define list cols
+    $plugin = $RCMAIL->plugins->exec_hook('preferences_sections_list',
         array('list' => $sections, 'cols' => array('section')));
 
-  $sections = $plugin['list'];
+    $sections    = $plugin['list'];
+    $config      = $RCMAIL->config->all();
+    $no_override = array_flip((array)$RCMAIL->config->get('dont_override'));
 
-  $config = $RCMAIL->config->all();
-  $no_override = array_flip($RCMAIL->config->get('dont_override', array()));
-
-  foreach ($sections as $idx => $sect) {
-
-    if ($current && $sect['id'] != $current)
-      continue;
-
-    $blocks = array();
-
-    switch ($sect['id']) {
-    // general
-    case 'general':
-
-    $blocks = array(
-      'main'    => array('name' => Q(rcube_label('mainoptions'))),
-    );
-
-    // language selection
-    if (!isset($no_override['language'])) {
-      $a_lang = $RCMAIL->list_languages();
-      asort($a_lang);
-
-      $field_id = 'rcmfd_lang';
-      $select_lang = new html_select(array('name' => '_language', 'id' => $field_id));
-      $select_lang->add(array_values($a_lang), array_keys($a_lang));
-
-      $blocks['main']['options']['language'] = array(
-        'title' => html::label($field_id, Q(rcube_label('language'))),
-        'content' => $select_lang->show($RCMAIL->user->language),
-      );
-    }
-
-    // timezone selection
-    if (!isset($no_override['timezone'])) {
-      $field_id = 'rcmfd_timezone';
-      $select_timezone = new html_select(array('name' => '_timezone', 'id' => $field_id));
-      $select_timezone->add(rcube_label('autodetect'), 'auto');
-
-      $zones = array();
-      foreach (DateTimeZone::listIdentifiers() as $i => $tzs) {
-        try {
-          $tz = new DateTimeZone($tzs);
-          $date = new DateTime('2012-12-21', $tz);
-          $offset = $date->format('Z') + 45000;
-          $sortkey = sprintf('%06d.%s', $offset, $tzs);
-          $zones[$sortkey] = array($tzs, $date->format('P'));
+    foreach ($sections as $idx => $sect) {
+        if ($current && $sect['id'] != $current) {
+            continue;
         }
-        catch (Exception $e) {}
-      }
 
-      ksort($zones);
-      foreach ($zones as $zone) {
-        list($tzs, $offset) = $zone;
-        $select_timezone->add('(GMT ' . $offset . ') ' . strtr($tzs, '_', ' '), $tzs);
-      }
+        $blocks = array();
 
-      $blocks['main']['options']['timezone'] = array(
-        'title' => html::label($field_id, Q(rcube_label('timezone'))),
-        'content' => $select_timezone->show((string)$config['timezone']),
-      );
-    }
+        switch ($sect['id']) {
 
-    // date/time formatting
-    if (!isset($no_override['time_format'])) {
-      $reftime = mktime(7,30,0);
-      $field_id = 'rcmfd_time_format';
-      $select_time = new html_select(array('name' => '_time_format', 'id' => $field_id));
-      foreach ((array)$RCMAIL->config->get('time_formats', array('G:i', 'H:i', 'g:i a', 'h:i A')) as $choice)
-        $select_time->add(date($choice, $reftime), $choice);
+        // general
+        case 'general':
+            $blocks = array(
+                'main'    => array('name' => rcube::Q($RCMAIL->gettext('mainoptions'))),
+                'skin'    => array('name' => rcube::Q($RCMAIL->gettext('skin'))),
+                'browser' => array('name' => rcube::Q($RCMAIL->gettext('browseroptions'))),
+                'advanced'=> array('name' => rcube::Q($RCMAIL->gettext('advancedoptions'))),
+            );
 
-      $blocks['main']['options']['time_format'] = array(
-        'title' => html::label($field_id, Q(rcube_label('timeformat'))),
-        'content' => $select_time->show($RCMAIL->config->get('time_format')),
-      );
-    }
+            // language selection
+            if (!isset($no_override['language'])) {
+                if (!$current) {
+                    continue 2;
+                }
 
-    if (!isset($no_override['date_format'])) {
-      $refdate = mktime(12,30,0,7,24);
-      $field_id = 'rcmfd_date_format';
-      $select_date = new html_select(array('name' => '_date_format', 'id' => $field_id));
-      foreach ((array)$RCMAIL->config->get('date_formats', array('Y-m-d','d-m-Y','Y/m/d','m/d/Y','d/m/Y','d.m.Y','j.n.Y')) as $choice)
-        $select_date->add(date($choice, $refdate), $choice);
+                $a_lang = $RCMAIL->list_languages();
+                asort($a_lang);
 
-      $blocks['main']['options']['date_format'] = array(
-        'title' => html::label($field_id, Q(rcube_label('dateformat'))),
-        'content' => $select_date->show($config['date_format']),
-      );
-    }
+                $field_id = 'rcmfd_lang';
+                $select   = new html_select(array('name' => '_language', 'id' => $field_id));
+                $select->add(array_values($a_lang), array_keys($a_lang));
 
-    // MM: Show checkbox for toggling 'pretty dates' 
-    if (!isset($no_override['prettydate'])) {
-      $field_id = 'rcmfd_prettydate';
-      $input_prettydate = new html_checkbox(array('name' => '_pretty_date', 'id' => $field_id, 'value' => 1));
+                $blocks['main']['options']['language'] = array(
+                    'title'   => html::label($field_id, rcube::Q($RCMAIL->gettext('language'))),
+                    'content' => $select->show($RCMAIL->user->language),
+                );
+            }
 
-      $blocks['main']['options']['prettydate'] = array(
-        'title' => html::label($field_id, Q(rcube_label('prettydate'))),
-        'content' => $input_prettydate->show($config['prettydate']?1:0),
-      );
-    }
+            // timezone selection
+            if (!isset($no_override['timezone'])) {
+                if (!$current) {
+                    continue 2;
+                }
 
-    if (!isset($no_override['refresh_interval'])) {
-      $field_id = 'rcmfd_refresh_interval';
-      $select_refresh_interval = new html_select(array('name' => '_refresh_interval', 'id' => $field_id));
+                $field_id = 'rcmfd_timezone';
+                $select   = new html_select(array('name' => '_timezone', 'id' => $field_id));
+                $select->add($RCMAIL->gettext('autodetect'), 'auto');
 
-      $select_refresh_interval->add(rcube_label('never'), 0);
-      foreach (array(1, 3, 5, 10, 15, 30, 60) as $min) {
-        if (!$config['min_refresh_interval'] || $config['min_refresh_interval'] <= $min * 60) {
-          $label = rcube_label(array('name' => 'everynminutes', 'vars' => array('n' => $min)));
-          $select_refresh_interval->add($label, $min);
+                $zones = array();
+                foreach (DateTimeZone::listIdentifiers() as $i => $tzs) {
+                    try {
+                        $tz      = new DateTimeZone($tzs);
+                        $date    = new DateTime(date('Y') . '-12-21', $tz);
+                        $offset  = $date->format('Z') + 45000;
+                        $sortkey = sprintf('%06d.%s', $offset, $tzs);
+                        $zones[$sortkey] = array($tzs, $date->format('P'));
+                    }
+                    catch (Exception $e) {}
+                }
+
+                ksort($zones);
+
+                foreach ($zones as $zone) {
+                    list($tzs, $offset) = $zone;
+                    $select->add('(GMT ' . $offset . ') ' . strtr($tzs, '_', ' '), $tzs);
+                }
+
+                $blocks['main']['options']['timezone'] = array(
+                    'title'   => html::label($field_id, rcube::Q($RCMAIL->gettext('timezone'))),
+                    'content' => $select->show((string)$config['timezone']),
+                );
+            }
+
+            // date/time formatting
+            if (!isset($no_override['time_format'])) {
+                if (!$current) {
+                    continue 2;
+                }
+
+                $reftime  = mktime(7,30,0);
+                $defaults = array('G:i', 'H:i', 'g:i a', 'h:i A');
+                $formats  = (array)$RCMAIL->config->get('time_formats', $defaults);
+                $field_id = 'rcmfd_time_format';
+                $select   = new html_select(array('name' => '_time_format', 'id' => $field_id));
+
+                foreach ($formats as $choice) {
+                    $select->add(date($choice, $reftime), $choice);
+                }
+
+                $blocks['main']['options']['time_format'] = array(
+                    'title'   => html::label($field_id, rcube::Q($RCMAIL->gettext('timeformat'))),
+                    'content' => $select->show($RCMAIL->config->get('time_format')),
+                );
+            }
+
+            if (!isset($no_override['date_format'])) {
+                if (!$current) {
+                    continue 2;
+                }
+
+                $refdate  = mktime(12,30,0,7,24);
+                $defaults = array('Y-m-d','d-m-Y','Y/m/d','m/d/Y','d/m/Y','d.m.Y','j.n.Y');
+                $formats  = (array)$RCMAIL->config->get('date_formats', $defaults);
+                $field_id = 'rcmfd_date_format';
+                $select   = new html_select(array('name' => '_date_format', 'id' => $field_id));
+
+                foreach ($formats as $choice) {
+                    $select->add(date($choice, $refdate), $choice);
+                }
+
+                $blocks['main']['options']['date_format'] = array(
+                    'title'   => html::label($field_id, rcube::Q($RCMAIL->gettext('dateformat'))),
+                    'content' => $select->show($config['date_format']),
+                );
+            }
+
+            // Show checkbox for toggling 'pretty dates'
+            if (!isset($no_override['prettydate'])) {
+                if (!$current) {
+                    continue 2;
+                }
+
+                $field_id = 'rcmfd_prettydate';
+                $input    = new html_checkbox(array('name' => '_pretty_date', 'id' => $field_id, 'value' => 1));
+
+                $blocks['main']['options']['prettydate'] = array(
+                    'title'   => html::label($field_id, rcube::Q($RCMAIL->gettext('prettydate'))),
+                    'content' => $input->show($config['prettydate']?1:0),
+                );
+            }
+
+            if (!isset($no_override['refresh_interval'])) {
+                if (!$current) {
+                    continue 2;
+                }
+
+                $field_id = 'rcmfd_refresh_interval';
+                $select   = new html_select(array('name' => '_refresh_interval', 'id' => $field_id));
+
+                $select->add($RCMAIL->gettext('never'), 0);
+                foreach (array(1, 3, 5, 10, 15, 30, 60) as $min) {
+                    if (!$config['min_refresh_interval'] || $config['min_refresh_interval'] <= $min * 60) {
+                        $label = $RCMAIL->gettext(array('name' => 'everynminutes', 'vars' => array('n' => $min)));
+                        $select->add($label, $min);
+                    }
+                }
+
+                $blocks['main']['options']['refresh_interval'] = array(
+                    'title'   => html::label($field_id, rcube::Q($RCMAIL->gettext('refreshinterval'))),
+                    'content' => $select->show($config['refresh_interval']/60),
+                );
+            }
+
+            // show drop-down for available skins
+            if (!isset($no_override['skin'])) {
+                if (!$current) {
+                    continue 2;
+                }
+
+                $skins = rcmail_get_skins();
+
+                if (count($skins) > 1) {
+                    $field_id = 'rcmfd_skin';
+                    $input    = new html_radiobutton(array('name'=>'_skin'));
+
+                    foreach ($skins as $skin) {
+                        $thumbnail   = "skins/$skin/thumbnail.png";
+                        $skinname    = ucfirst($skin);
+                        $author_link = $license_link = '';
+                        $meta        = @json_decode(@file_get_contents(INSTALL_PATH . "skins/$skin/meta.json"), true);
+
+                        if (is_array($meta) && $meta['name']) {
+                            $skinname     = $meta['name'];
+                            $author_link  = $meta['url'] ? html::a(array('href' => $meta['url'], 'target' => '_blank'), rcube::Q($meta['author'])) : rcube::Q($meta['author']);
+                            $license_link = $meta['license-url'] ? html::a(array('href' => $meta['license-url'], 'target' => '_blank', 'tabindex' => '-1'), rcube::Q($meta['license'])) : rcube::Q($meta['license']);
+                        }
+
+                        $img = html::img(array(
+                                'src'     => $thumbnail,
+                                'class'   => 'skinthumbnail',
+                                'alt'     => $skin,
+                                'width'   => 64,
+                                'height'  => 64,
+                                'onerror' => "this.src = rcmail.assets_path('program/resources/blank.gif')",
+                        ));
+
+                        $skinnames[] = mb_strtolower($skinname);
+                        $blocks['skin']['options'][$skin]['content'] = html::label(array('class' => 'skinselection'),
+                            html::span('skinitem', $input->show($config['skin'], array('value' => $skin, 'id' => $field_id.$skin))) .
+                            html::span('skinitem', $img) .
+                            html::span('skinitem', html::span('skinname', rcube::Q($skinname)) . html::br() .
+                                html::span('skinauthor', $author_link ? 'by ' . $author_link : '') . html::br() .
+                                html::span('skinlicense', $license_link ? $RCMAIL->gettext('license').':&nbsp;' . $license_link : ''))
+                        );
+                    }
+                    array_multisort($blocks['skin']['options'], SORT_ASC, SORT_STRING, $skinnames);
+                }
+            }
+
+            // standard_windows option decides if new windows should be
+            // opened as popups or standard windows (which can be handled by browsers as tabs)
+            if (!isset($no_override['standard_windows'])) {
+                if (!$current) {
+                    continue 2;
+                }
+
+                $field_id = 'rcmfd_standard_windows';
+                $checkbox = new html_checkbox(array('name' => '_standard_windows', 'id' => $field_id, 'value' => 1));
+
+                $blocks['browser']['options']['standard_windows'] = array(
+                    'title'   => html::label($field_id, rcube::Q($RCMAIL->gettext('standardwindows'))),
+                    'content' => $checkbox->show($config['standard_windows']?1:0),
+                );
+            }
+
+            if ($current) {
+                $product_name = $RCMAIL->config->get('product_name', 'Roundcube Webmail');
+                $RCMAIL->output->add_script(sprintf("%s.check_protocol_handler('%s', '#mailtoprotohandler');",
+                    rcmail_output::JS_OBJECT_NAME, rcube::JQ($product_name)), 'docready');
+            }
+
+            $blocks['browser']['options']['mailtoprotohandler'] = array(
+                'content' => html::a(array(
+                    'href'    => '#',
+                    'id'      => 'mailtoprotohandler'
+                ),
+                rcube::Q($RCMAIL->gettext('mailtoprotohandler'))) .
+                html::span('mailtoprotohandler-status', ''),
+            );
+
+        break;
+
+        // Mailbox view (mail screen)
+        case 'mailbox':
+            $blocks = array(
+                'main'        => array('name' => rcube::Q($RCMAIL->gettext('mainoptions'))),
+                'new_message' => array('name' => rcube::Q($RCMAIL->gettext('newmessage'))),
+                'advanced'    => array('name' => rcube::Q($RCMAIL->gettext('advancedoptions'))),
+            );
+
+            // show config parameter for preview pane
+            if (!isset($no_override['preview_pane'])) {
+                if (!$current) {
+                    continue 2;
+                }
+
+                $field_id = 'rcmfd_preview';
+                $input    = new html_checkbox(array('name' => '_preview_pane', 'id' => $field_id, 'value' => 1,
+                    'onchange' => "$('#rcmfd_preview_pane_mark_read').prop('disabled', !this.checked)"));
+
+                $blocks['main']['options']['preview_pane'] = array(
+                    'title'   => html::label($field_id, rcube::Q($RCMAIL->gettext('previewpane'))),
+                    'content' => $input->show($config['preview_pane']?1:0),
+                );
+            }
+
+            // show config parameter for preview pane auto mark as read delay
+            if (!isset($no_override['preview_pane_mark_read'])) {
+                if (!$current) {
+                    continue 2;
+                }
+
+                // apply default if config option is not set at all
+                $config['preview_pane_mark_read'] = $RCMAIL->config->get('preview_pane_mark_read', 0);
+
+                $field_id = 'rcmfd_preview_pane_mark_read';
+                $select   = new html_select(array('name' => '_preview_pane_mark_read', 'id' => $field_id,
+                    'disabled' => $config['preview_pane']?0:1));
+
+                $select->add($RCMAIL->gettext('never'), '-1');
+                $select->add($RCMAIL->gettext('immediately'), 0);
+
+                foreach (array(5, 10, 20, 30) as $sec) {
+                    $label = $RCMAIL->gettext(array('name' => 'afternseconds', 'vars' => array('n' => $sec)));
+                    $select->add($label, $sec);
+                }
+
+                $blocks['main']['options']['preview_pane_mark_read'] = array(
+                    'title'   => html::label($field_id, rcube::Q($RCMAIL->gettext('previewpanemarkread'))),
+                    'content' => $select->show(intval($config['preview_pane_mark_read'])),
+                );
+            }
+
+            if (!isset($no_override['mdn_requests'])) {
+                if (!$current) {
+                    continue 2;
+                }
+
+                $field_id = 'rcmfd_mdn_requests';
+                $select   = new html_select(array('name' => '_mdn_requests', 'id' => $field_id));
+                $select->add($RCMAIL->gettext('askuser'), 0);
+                $select->add($RCMAIL->gettext('autosend'), 1);
+                $select->add($RCMAIL->gettext('autosendknown'), 3);
+                $select->add($RCMAIL->gettext('autosendknownignore'), 4);
+                $select->add($RCMAIL->gettext('ignorerequest'), 2);
+
+                $blocks['main']['options']['mdn_requests'] = array(
+                    'title'   => html::label($field_id, rcube::Q($RCMAIL->gettext('mdnrequests'))),
+                    'content' => $select->show($config['mdn_requests']),
+                );
+            }
+
+            if (!isset($no_override['autoexpand_threads'])) {
+                if (!$current) {
+                    continue 2;
+                }
+
+                $storage   = $RCMAIL->get_storage();
+                $supported = $storage->get_capability('THREAD');
+
+                if ($supported) {
+                    $field_id = 'rcmfd_autoexpand_threads';
+                    $select   = new html_select(array('name' => '_autoexpand_threads', 'id' => $field_id));
+                    $select->add($RCMAIL->gettext('never'), 0);
+                    $select->add($RCMAIL->gettext('do_expand'), 1);
+                    $select->add($RCMAIL->gettext('expand_only_unread'), 2);
+
+                    $blocks['main']['options']['autoexpand_threads'] = array(
+                        'title'   => html::label($field_id, rcube::Q($RCMAIL->gettext('autoexpand_threads'))),
+                        'content' => $select->show($config['autoexpand_threads']),
+                    );
+                }
+            }
+
+            // show page size selection
+            if (!isset($no_override['mail_pagesize'])) {
+                if (!$current) {
+                    continue 2;
+                }
+
+                $field_id = 'rcmfd_mail_pagesize';
+                $input    = new html_inputfield(array('name' => '_mail_pagesize', 'id' => $field_id, 'size' => 5));
+                $size     = intval($config['mail_pagesize'] ? $config['mail_pagesize'] : $config['pagesize']);
+
+                $blocks['main']['options']['pagesize'] = array(
+                    'title'   => html::label($field_id, rcube::Q($RCMAIL->gettext('pagesize'))),
+                    'content' => $input->show($size ? $size : 50),
+                );
+            }
+
+            if (!isset($no_override['check_all_folders'])) {
+                if (!$current) {
+                    continue 2;
+                }
+
+                $field_id = 'rcmfd_check_all_folders';
+                $input    = new html_checkbox(array('name' => '_check_all_folders', 'id' => $field_id, 'value' => 1));
+
+                $blocks['new_message']['options']['check_all_folders'] = array(
+                    'title'   => html::label($field_id, rcube::Q($RCMAIL->gettext('checkallfolders'))),
+                    'content' => $input->show($config['check_all_folders']?1:0),
+                );
+            }
+        break;
+
+        // Message viewing
+        case 'mailview':
+            $blocks = array(
+                'main' => array('name' => rcube::Q($RCMAIL->gettext('mainoptions'))),
+                'advanced'   => array('name' => rcube::Q($RCMAIL->gettext('advancedoptions'))),
+            );
+
+            // show checkbox to open message view in new window
+            if (!isset($no_override['message_extwin'])) {
+                if (!$current) {
+                    continue 2;
+                }
+
+                $field_id = 'rcmfd_message_extwin';
+                $input    = new html_checkbox(array('name' => '_message_extwin', 'id' => $field_id, 'value' => 1));
+
+                $blocks['main']['options']['message_extwin'] = array(
+                    'title'   => html::label($field_id, rcube::Q($RCMAIL->gettext('showinextwin'))),
+                    'content' => $input->show($config['message_extwin']?1:0),
+                );
+            }
+
+            // show checkbox to show email instead of name
+            if (!isset($no_override['message_show_email'])) {
+                if (!$current) {
+                    continue 2;
+                }
+
+                $field_id = 'rcmfd_message_show_email';
+                $input    = new html_checkbox(array('name' => '_message_show_email', 'id' => $field_id, 'value' => 1));
+
+                $blocks['main']['options']['message_show_email'] = array(
+                    'title'   => html::label($field_id, rcube::Q($RCMAIL->gettext('showemail'))),
+                    'content' => $input->show($config['message_show_email']?1:0),
+                );
+            }
+
+            // show checkbox for HTML/plaintext messages
+            if (!isset($no_override['prefer_html'])) {
+                if (!$current) {
+                    continue 2;
+                }
+
+                $field_id = 'rcmfd_htmlmsg';
+                $input    = new html_checkbox(array('name' => '_prefer_html', 'id' => $field_id, 'value' => 1,
+                    'onchange' => "$('#rcmfd_show_images').prop('disabled', !this.checked).val(0)"));
+
+                $blocks['main']['options']['prefer_html'] = array(
+                    'title'   => html::label($field_id, rcube::Q($RCMAIL->gettext('preferhtml'))),
+                    'content' => $input->show($config['prefer_html']?1:0),
+                );
+            }
+
+            if (!isset($no_override['default_charset'])) {
+                if (!$current) {
+                    continue 2;
+                }
+
+                $field_id = 'rcmfd_default_charset';
+
+                $blocks['advanced']['options']['default_charset'] = array(
+                    'title' => html::label($field_id, rcube::Q($RCMAIL->gettext('defaultcharset'))),
+                    'content' => $RCMAIL->output->charset_selector(array(
+                        'id' => $field_id, 'name' => '_default_charset', 'selected' => $config['default_charset']
+                )));
+            }
+
+            if (!isset($no_override['show_images'])) {
+                if (!$current) {
+                    continue 2;
+                }
+
+                $field_id = 'rcmfd_show_images';
+                $input    = new html_select(array('name' => '_show_images', 'id' => $field_id,
+                    'disabled' => !$config['prefer_html']));
+
+                $input->add($RCMAIL->gettext('never'), 0);
+                $input->add($RCMAIL->gettext('fromknownsenders'), 1);
+                $input->add($RCMAIL->gettext('always'), 2);
+
+                $blocks['main']['options']['show_images'] = array(
+                    'title'   => html::label($field_id, rcube::Q($RCMAIL->gettext('showremoteimages'))),
+                    'content' => $input->show($config['prefer_html'] ? $config['show_images'] : 0),
+                );
+            }
+
+            if (!isset($no_override['inline_images'])) {
+                if (!$current) {
+                    continue 2;
+                }
+
+                $field_id = 'rcmfd_inline_images';
+                $input    = new html_checkbox(array('name' => '_inline_images', 'id' => $field_id, 'value' => 1));
+
+                $blocks['main']['options']['inline_images'] = array(
+                    'title'   => html::label($field_id, rcube::Q($RCMAIL->gettext('showinlineimages'))),
+                    'content' => $input->show($config['inline_images']?1:0),
+                );
+            }
+
+            // "display after delete" checkbox
+            if (!isset($no_override['display_next'])) {
+                if (!$current) {
+                    continue 2;
+                }
+
+                $field_id = 'rcmfd_displaynext';
+                $input    = new html_checkbox(array('name' => '_display_next', 'id' => $field_id, 'value' => 1));
+
+                $blocks['main']['options']['display_next'] = array(
+                    'title'   => html::label($field_id, rcube::Q($RCMAIL->gettext('displaynext'))),
+                    'content' => $input->show($config['display_next']?1:0),
+                );
+            }
+        break;
+
+        // Mail composition
+        case 'compose':
+            $blocks = array(
+                'main'       => array('name' => rcube::Q($RCMAIL->gettext('mainoptions'))),
+                'sig'        => array('name' => rcube::Q($RCMAIL->gettext('signatureoptions'))),
+                'spellcheck' => array('name' => rcube::Q($RCMAIL->gettext('spellcheckoptions'))),
+                'advanced'   => array('name' => rcube::Q($RCMAIL->gettext('advancedoptions'))),
+            );
+
+            // show checkbox to compose messages in a new window
+            if (!isset($no_override['compose_extwin'])) {
+                if (!$current) {
+                    continue 2;
+                }
+
+                $field_id = 'rcmfdcompose_extwin';
+                $input    = new html_checkbox(array('name' => '_compose_extwin', 'id' => $field_id, 'value' => 1));
+
+                $blocks['main']['options']['compose_extwin'] = array(
+                    'title'   => html::label($field_id, rcube::Q($RCMAIL->gettext('composeextwin'))),
+                    'content' => $input->show($config['compose_extwin']?1:0),
+                );
+            }
+
+            if (!isset($no_override['htmleditor'])) {
+                if (!$current) {
+                    continue 2;
+                }
+
+                $field_id = 'rcmfd_htmleditor';
+                $select   = new html_select(array('name' => '_htmleditor', 'id' => $field_id));
+
+                $select->add($RCMAIL->gettext('never'), 0);
+                $select->add($RCMAIL->gettext('always'), 1);
+                $select->add($RCMAIL->gettext('htmlonreply'), 2);
+                $select->add($RCMAIL->gettext('htmlonreplyandforward'), 3);
+
+                $blocks['main']['options']['htmleditor'] = array(
+                    'title'   => html::label($field_id, rcube::Q($RCMAIL->gettext('htmleditor'))),
+                    'content' => $select->show(intval($config['htmleditor'])),
+                );
+            }
+
+            if (!isset($no_override['draft_autosave'])) {
+                if (!$current) {
+                    continue 2;
+                }
+
+                $field_id = 'rcmfd_autosave';
+                $select   = new html_select(array('name' => '_draft_autosave', 'id' => $field_id, 'disabled' => empty($config['drafts_mbox'])));
+
+                $select->add($RCMAIL->gettext('never'), 0);
+                foreach (array(1, 3, 5, 10) as $i => $min) {
+                    $label = $RCMAIL->gettext(array('name' => 'everynminutes', 'vars' => array('n' => $min)));
+                    $select->add($label, $min*60);
+                }
+
+                $blocks['main']['options']['draft_autosave'] = array(
+                    'title'   => html::label($field_id, rcube::Q($RCMAIL->gettext('autosavedraft'))),
+                    'content' => $select->show($config['draft_autosave']),
+                );
+            }
+
+            if (!isset($no_override['mime_param_folding'])) {
+                if (!$current) {
+                    continue 2;
+                }
+
+                $field_id = 'rcmfd_param_folding';
+                $select   = new html_select(array('name' => '_mime_param_folding', 'id' => $field_id));
+
+                $select->add($RCMAIL->gettext('2231folding'), 0);
+                $select->add($RCMAIL->gettext('miscfolding'), 1);
+                $select->add($RCMAIL->gettext('2047folding'), 2);
+
+                $blocks['advanced']['options']['mime_param_folding'] = array(
+                    'title'    => html::label($field_id, rcube::Q($RCMAIL->gettext('mimeparamfolding'))),
+                    'content'  => $select->show($config['mime_param_folding']),
+                );
+            }
+
+            if (!isset($no_override['force_7bit'])) {
+                if (!$current) {
+                    continue 2;
+                }
+
+                $field_id = 'rcmfd_force_7bit';
+                $input    = new html_checkbox(array('name' => '_force_7bit', 'id' => $field_id, 'value' => 1));
+
+                $blocks['advanced']['options']['force_7bit'] = array(
+                    'title'    => html::label($field_id, rcube::Q($RCMAIL->gettext('force7bit'))),
+                    'content'  => $input->show($config['force_7bit']?1:0),
+                );
+            }
+
+            if (!isset($no_override['mdn_default'])) {
+                if (!$current) {
+                    continue 2;
+                }
+
+                $field_id = 'rcmfd_mdn_default';
+                $input    = new html_checkbox(array('name' => '_mdn_default', 'id' => $field_id, 'value' => 1));
+
+                $blocks['main']['options']['mdn_default'] = array(
+                    'title'   => html::label($field_id, rcube::Q($RCMAIL->gettext('reqmdn'))),
+                    'content' => $input->show($config['mdn_default']?1:0),
+                );
+            }
+
+            if (!isset($no_override['dsn_default'])) {
+                if (!$current) {
+                    continue 2;
+                }
+
+                $field_id = 'rcmfd_dsn_default';
+                $input    = new html_checkbox(array('name' => '_dsn_default', 'id' => $field_id, 'value' => 1));
+
+                $blocks['main']['options']['dsn_default'] = array(
+                    'title'   => html::label($field_id, rcube::Q($RCMAIL->gettext('reqdsn'))),
+                    'content' => $input->show($config['dsn_default']?1:0),
+                );
+            }
+
+            if (!isset($no_override['reply_same_folder'])) {
+                if (!$current) {
+                    continue 2;
+                }
+
+                $field_id = 'rcmfd_reply_same_folder';
+                $input    = new html_checkbox(array('name' => '_reply_same_folder', 'id' => $field_id, 'value' => 1));
+
+                $blocks['main']['options']['reply_same_folder'] = array(
+                    'title'   => html::label($field_id, rcube::Q($RCMAIL->gettext('replysamefolder'))),
+                    'content' => $input->show($config['reply_same_folder']?1:0),
+                );
+            }
+
+            if (!isset($no_override['reply_mode'])) {
+                if (!$current) {
+                    continue 2;
+                }
+
+                $field_id = 'rcmfd_reply_mode';
+                $select   = new html_select(array('name' => '_reply_mode', 'id' => $field_id));
+
+                $select->add($RCMAIL->gettext('replyempty'), -1);
+                $select->add($RCMAIL->gettext('replybottomposting'), 0);
+                $select->add($RCMAIL->gettext('replytopposting'), 1);
+
+                $blocks['main']['options']['reply_mode'] = array(
+                    'title'   => html::label($field_id, rcube::Q($RCMAIL->gettext('whenreplying'))),
+                    'content' => $select->show(intval($config['reply_mode'])),
+                );
+            }
+
+            if (!isset($no_override['spellcheck_before_send']) && $config['enable_spellcheck']) {
+                if (!$current) {
+                    continue 2;
+                }
+
+                $field_id = 'rcmfd_spellcheck_before_send';
+                $input    = new html_checkbox(array('name' => '_spellcheck_before_send', 'id' => $field_id, 'value' => 1));
+
+                $blocks['spellcheck']['options']['spellcheck_before_send'] = array(
+                    'title'   => html::label($field_id, rcube::Q($RCMAIL->gettext('spellcheckbeforesend'))),
+                    'content' => $input->show($config['spellcheck_before_send']?1:0),
+                );
+            }
+
+            if ($config['enable_spellcheck']) {
+                if (!$current) {
+                    continue 2;
+                }
+
+                foreach (array('syms', 'nums', 'caps') as $key) {
+                    $key = 'spellcheck_ignore_'.$key;
+                    if (!isset($no_override[$key])) {
+                        $input = new html_checkbox(array('name' => '_'.$key, 'id' => 'rcmfd_'.$key, 'value' => 1));
+
+                        $blocks['spellcheck']['options'][$key] = array(
+                            'title'   => html::label($field_id, rcube::Q($RCMAIL->gettext(str_replace('_', '', $key)))),
+                            'content' => $input->show($config[$key]?1:0),
+                        );
+                    }
+                }
+            }
+
+            if (!isset($no_override['show_sig'])) {
+                if (!$current) {
+                    continue 2;
+                }
+
+                $field_id = 'rcmfd_show_sig';
+                $select   = new html_select(array('name' => '_show_sig', 'id' => $field_id));
+
+                $select->add($RCMAIL->gettext('never'), 0);
+                $select->add($RCMAIL->gettext('always'), 1);
+                $select->add($RCMAIL->gettext('newmessageonly'), 2);
+                $select->add($RCMAIL->gettext('replyandforwardonly'), 3);
+
+                $blocks['sig']['options']['show_sig'] = array(
+                    'title'   => html::label($field_id, rcube::Q($RCMAIL->gettext('autoaddsignature'))),
+                    'content' => $select->show($RCMAIL->config->get('show_sig', 1)),
+                );
+            }
+
+            if (!isset($no_override['strip_existing_sig'])) {
+                if (!$current) {
+                    continue 2;
+                }
+
+                $field_id = 'rcmfd_strip_existing_sig';
+                $input    = new html_checkbox(array('name' => '_strip_existing_sig', 'id' => $field_id, 'value' => 1));
+
+                $blocks['sig']['options']['strip_existing_sig'] = array(
+                    'title'   => html::label($field_id, rcube::Q($RCMAIL->gettext('replyremovesignature'))),
+                    'content' => $input->show($config['strip_existing_sig']?1:0),
+                );
+            }
+
+            if (!isset($no_override['forward_attachment'])) {
+                if (!$current) {
+                    continue 2;
+                }
+
+                $field_id = 'rcmfd_forward_attachment';
+                $select = new html_select(array('name' => '_forward_attachment', 'id' => $field_id));
+
+                $select->add($RCMAIL->gettext('inline'), 0);
+                $select->add($RCMAIL->gettext('asattachment'), 1);
+
+                $blocks['main']['options']['forward_attachment'] = array(
+                    'title'   => html::label($field_id, rcube::Q($RCMAIL->gettext('forwardmode'))),
+                    'content' => $select->show(intval($config['forward_attachment'])),
+                );
+            }
+
+            if (!isset($no_override['default_font']) || !isset($no_override['default_font_size'])) {
+                if (!$current) {
+                    continue 2;
+                }
+
+                // Default font size
+                $field_id = 'rcmfd_default_font_size';
+                $select_default_font_size = new html_select(array('name' => '_default_font_size', 'id' => $field_id));
+
+                $fontsizes = array('', '8pt', '10pt', '12pt', '14pt', '18pt', '24pt', '36pt');
+                foreach ($fontsizes as $size) {
+                    $select_default_font_size->add($size, $size);
+                }
+
+                // Default font
+                $field_id = 'rcmfd_default_font';
+                $select_default_font = new html_select(array('name' => '_default_font', 'id' => $field_id));
+                $select_default_font->add('', '');
+
+                $fonts = rcmail::font_defs();
+                foreach (array_keys($fonts) as $fname) {
+                    $select_default_font->add($fname, $fname);
+                }
+
+                $blocks['main']['options']['default_font'] = array(
+                    'title' => html::label($field_id, rcube::Q($RCMAIL->gettext('defaultfont'))),
+                    'content' => $select_default_font->show($RCMAIL->config->get('default_font', 1)) .
+                        $select_default_font_size->show($RCMAIL->config->get('default_font_size', 1))
+                );
+            }
+
+            if (!isset($no_override['reply_all_mode'])) {
+                if (!$current) {
+                    continue 2;
+                }
+
+                $field_id = 'rcmfd_reply_all_mode';
+                $select   = new html_select(array('name' => '_reply_all_mode', 'id' => $field_id));
+
+                $select->add($RCMAIL->gettext('replyalldefault'), 0);
+                $select->add($RCMAIL->gettext('replyalllist'), 1);
+
+                $blocks['main']['options']['reply_all_mode'] = array(
+                    'title'   => html::label($field_id, rcube::Q($RCMAIL->gettext('replyallmode'))),
+                    'content' => $select->show(intval($config['reply_all_mode'])),
+                );
+            }
+
+            if (!isset($no_override['compose_save_localstorage'])) {
+                if (!$current) {
+                    continue 2;
+                }
+
+                $field_id = 'rcmfd_compose_save_localstorage';
+                $input    = new html_checkbox(array('name' => '_compose_save_localstorage', 'id' => $field_id, 'value' => 1));
+
+                $blocks['advanced']['options']['compose_save_localstorage'] = array(
+                    'title'    => html::label($field_id, rcube::Q($RCMAIL->gettext('savelocalstorage'))),
+                    'content'  => $input->show($config['compose_save_localstorage']?1:0),
+                );
+            }
+
+        break;
+
+        // Addressbook config
+        case 'addressbook':
+            $blocks = array(
+                'main'     => array('name' => rcube::Q($RCMAIL->gettext('mainoptions'))),
+                'advanced' => array('name' => rcube::Q($RCMAIL->gettext('advancedoptions'))),
+            );
+
+            if (!isset($no_override['default_addressbook'])
+                && (!$current || ($books = $RCMAIL->get_address_sources(true, true)))
+            ) {
+                if (!$current) {
+                    continue 2;
+                }
+
+                $field_id = 'rcmfd_default_addressbook';
+                $select   = new html_select(array('name' => '_default_addressbook', 'id' => $field_id));
+
+                foreach ($books as $book) {
+                    $select->add(html_entity_decode($book['name'], ENT_COMPAT, 'UTF-8'), $book['id']);
+                }
+
+                $blocks['main']['options']['default_addressbook'] = array(
+                    'title'   => html::label($field_id, rcube::Q($RCMAIL->gettext('defaultabook'))),
+                    'content' => $select->show($config['default_addressbook']),
+                );
+            }
+
+            // show addressbook listing mode selection
+            if (!isset($no_override['addressbook_name_listing'])) {
+                if (!$current) {
+                    continue 2;
+                }
+
+                $field_id = 'rcmfd_addressbook_name_listing';
+                $select   = new html_select(array('name' => '_addressbook_name_listing', 'id' => $field_id));
+
+                $select->add($RCMAIL->gettext('name'), 0);
+                $select->add($RCMAIL->gettext('firstname') . ' '  . $RCMAIL->gettext('surname'), 1);
+                $select->add($RCMAIL->gettext('surname')   . ' '  . $RCMAIL->gettext('firstname'), 2);
+                $select->add($RCMAIL->gettext('surname')   . ', ' . $RCMAIL->gettext('firstname'), 3);
+
+                $blocks['main']['options']['list_name_listing'] = array(
+                    'title'   => html::label($field_id, rcube::Q($RCMAIL->gettext('listnamedisplay'))),
+                    'content' => $select->show($config['addressbook_name_listing']),
+                );
+            }
+
+            // show addressbook sort column
+            if (!isset($no_override['addressbook_sort_col'])) {
+                if (!$current) {
+                    continue 2;
+                }
+
+                $field_id = 'rcmfd_addressbook_sort_col';
+                $select   = new html_select(array('name' => '_addressbook_sort_col', 'id' => $field_id));
+
+                $select->add($RCMAIL->gettext('name'), 'name');
+                $select->add($RCMAIL->gettext('firstname'), 'firstname');
+                $select->add($RCMAIL->gettext('surname'), 'surname');
+
+                $blocks['main']['options']['sort_col'] = array(
+                    'title'   => html::label($field_id, rcube::Q($RCMAIL->gettext('listsorting'))),
+                    'content' => $select->show($config['addressbook_sort_col']),
+                );
+            }
+
+            // show addressbook page size selection
+            if (!isset($no_override['addressbook_pagesize'])) {
+                if (!$current) {
+                    continue 2;
+                }
+
+                $field_id = 'rcmfd_addressbook_pagesize';
+                $input    = new html_inputfield(array('name' => '_addressbook_pagesize', 'id' => $field_id, 'size' => 5));
+                $size     = intval($config['addressbook_pagesize'] ? $config['addressbook_pagesize'] : $config['pagesize']);
+
+                $blocks['main']['options']['pagesize'] = array(
+                    'title'   => html::label($field_id, rcube::Q($RCMAIL->gettext('pagesize'))),
+                    'content' => $input->show($size ? $size : 50),
+                );
+            }
+
+            if (!isset($no_override['autocomplete_single'])) {
+                if (!$current) {
+                    continue 2;
+                }
+
+                $field_id = 'rcmfd_autocomplete_single';
+                $checkbox = new html_checkbox(array('name' => '_autocomplete_single', 'id' => $field_id, 'value' => 1));
+
+                $blocks['main']['options']['autocomplete_single'] = array(
+                    'title'   => html::label($field_id, rcube::Q($RCMAIL->gettext('autocompletesingle'))),
+                    'content' => $checkbox->show($config['autocomplete_single']?1:0),
+                );
+            }
+        break;
+
+        // Special IMAP folders
+        case 'folders':
+            $blocks = array(
+                'main'     => array('name' => rcube::Q($RCMAIL->gettext('mainoptions'))),
+                'advanced' => array('name' => rcube::Q($RCMAIL->gettext('advancedoptions'))),
+            );
+
+            if (!isset($no_override['show_real_foldernames'])) {
+                if (!$current) {
+                    continue 2;
+                }
+
+                $field_id = 'show_real_foldernames';
+                $input    = new html_checkbox(array('name' => '_show_real_foldernames', 'id' => $field_id, 'value' => 1));
+
+                $blocks['main']['options']['show_real_foldernames'] = array(
+                    'title'   => html::label($field_id, rcube::Q($RCMAIL->gettext('show_real_foldernames'))),
+                    'content' => $input->show($config['show_real_foldernames']?1:0),
+                );
+            }
+
+            // Configure special folders
+            $set = array('drafts_mbox', 'sent_mbox', 'junk_mbox', 'trash_mbox');
+            if ($current && count(array_intersect($no_override, $set)) < 4) {
+                $select = $RCMAIL->folder_selector(array(
+                    'noselection'   => '---',
+                    'realnames'     => true,
+                    'maxlength'     => 30,
+                    'folder_filter' => 'mail',
+                    'folder_rights' => 'w',
+                ));
+
+                // #1486114, #1488279, #1489219
+                $onchange = "if ($(this).val() == 'INBOX') $(this).val('')";
+            }
+
+            if (!isset($no_override['drafts_mbox'])) {
+                if (!$current) {
+                    continue 2;
+                }
+
+                $blocks['main']['options']['drafts_mbox'] = array(
+                    'title'   => rcube::Q($RCMAIL->gettext('drafts')),
+                    'content' => $select->show($config['drafts_mbox'], array('name' => "_drafts_mbox", 'onchange' => $onchange)),
+                );
+            }
+
+            if (!isset($no_override['sent_mbox'])) {
+                if (!$current) {
+                    continue 2;
+                }
+
+                $blocks['main']['options']['sent_mbox'] = array(
+                    'title'   => rcube::Q($RCMAIL->gettext('sent')),
+                    'content' => $select->show($config['sent_mbox'], array('name' => "_sent_mbox", 'onchange' => '')),
+                );
+            }
+
+            if (!isset($no_override['junk_mbox'])) {
+                if (!$current) {
+                    continue 2;
+                }
+
+                $blocks['main']['options']['junk_mbox'] = array(
+                    'title'   => rcube::Q($RCMAIL->gettext('junk')),
+                    'content' => $select->show($config['junk_mbox'], array('name' => "_junk_mbox", 'onchange' => $onchange)),
+                );
+            }
+
+            if (!isset($no_override['trash_mbox'])) {
+                if (!$current) {
+                    continue 2;
+                }
+
+                $blocks['main']['options']['trash_mbox'] = array(
+                    'title'   => rcube::Q($RCMAIL->gettext('trash')),
+                    'content' => $select->show($config['trash_mbox'], array('name' => "_trash_mbox", 'onchange' => $onchange)),
+                );
+            }
+        break;
+
+        // Server settings
+        case 'server':
+            $blocks = array(
+                'main'        => array('name' => rcube::Q($RCMAIL->gettext('mainoptions'))),
+                'maintenance' => array('name' => rcube::Q($RCMAIL->gettext('maintenance'))),
+                'advanced'    => array('name' => rcube::Q($RCMAIL->gettext('advancedoptions'))),
+            );
+
+            if (!isset($no_override['read_when_deleted'])) {
+                if (!$current) {
+                    continue 2;
+                }
+
+                $field_id = 'rcmfd_read_deleted';
+                $input    = new html_checkbox(array('name' => '_read_when_deleted', 'id' => $field_id, 'value' => 1));
+
+                $blocks['main']['options']['read_when_deleted'] = array(
+                    'title'   => html::label($field_id, rcube::Q($RCMAIL->gettext('readwhendeleted'))),
+                    'content' => $input->show($config['read_when_deleted']?1:0),
+                );
+            }
+
+            if (!isset($no_override['flag_for_deletion'])) {
+                if (!$current) {
+                    continue 2;
+                }
+
+                $field_id = 'rcmfd_flag_for_deletion';
+                $input    = new html_checkbox(array('name' => '_flag_for_deletion', 'id' => $field_id, 'value' => 1));
+
+                $blocks['main']['options']['flag_for_deletion'] = array(
+                    'title'   => html::label($field_id, rcube::Q($RCMAIL->gettext('flagfordeletion'))),
+                    'content' => $input->show($config['flag_for_deletion']?1:0),
+                );
+            }
+
+            // don't show deleted messages
+            if (!isset($no_override['skip_deleted'])) {
+                if (!$current) {
+                    continue 2;
+                }
+
+                $field_id = 'rcmfd_skip_deleted';
+                $input    = new html_checkbox(array('name' => '_skip_deleted', 'id' => $field_id, 'value' => 1));
+
+                $blocks['main']['options']['skip_deleted'] = array(
+                    'title'   => html::label($field_id, rcube::Q($RCMAIL->gettext('skipdeleted'))),
+                    'content' => $input->show($config['skip_deleted']?1:0),
+                );
+            }
+
+            if (!isset($no_override['delete_always'])) {
+                if (!$current) {
+                    continue 2;
+                }
+
+                $field_id = 'rcmfd_delete_always';
+                $input    = new html_checkbox(array('name' => '_delete_always', 'id' => $field_id, 'value' => 1));
+
+                $blocks['main']['options']['delete_always'] = array(
+                    'title'   => html::label($field_id, rcube::Q($RCMAIL->gettext('deletealways'))),
+                    'content' => $input->show($config['delete_always']?1:0),
+                );
+            }
+
+            if (!isset($no_override['delete_junk'])) {
+                if (!$current) {
+                    continue 2;
+                }
+
+                $field_id = 'rcmfd_delete_junk';
+                $input    = new html_checkbox(array('name' => '_delete_junk', 'id' => $field_id, 'value' => 1));
+
+                $blocks['main']['options']['delete_junk'] = array(
+                    'title'   => html::label($field_id, rcube::Q($RCMAIL->gettext('deletejunk'))),
+                    'content' => $input->show($config['delete_junk']?1:0),
+                );
+            }
+
+            // Trash purging on logout
+            if (!isset($no_override['logout_purge'])) {
+                if (!$current) {
+                    continue 2;
+                }
+
+                $field_id = 'rcmfd_logout_purge';
+                $input    = new html_checkbox(array('name' => '_logout_purge', 'id' => $field_id, 'value' => 1));
+
+                $blocks['maintenance']['options']['logout_purge'] = array(
+                    'title'   => html::label($field_id, rcube::Q($RCMAIL->gettext('logoutclear'))),
+                    'content' => $input->show($config['logout_purge']?1:0),
+                );
+            }
+
+            // INBOX compacting on logout
+            if (!isset($no_override['logout_expunge'])) {
+                if (!$current) {
+                    continue 2;
+                }
+
+                $field_id = 'rcmfd_logout_expunge';
+                $input    = new html_checkbox(array('name' => '_logout_expunge', 'id' => $field_id, 'value' => 1));
+
+                $blocks['maintenance']['options']['logout_expunge'] = array(
+                    'title'   => html::label($field_id, rcube::Q($RCMAIL->gettext('logoutcompact'))),
+                    'content' => $input->show($config['logout_expunge']?1:0),
+                );
+            }
         }
-      }
 
-      $blocks['main']['options']['refresh_interval'] = array(
-        'title' => html::label($field_id, Q(rcube_label('refreshinterval'))),
-        'content' => $select_refresh_interval->show($config['refresh_interval']/60),
-      );
-    }
+        $found = false;
+        $data  = $RCMAIL->plugins->exec_hook('preferences_list',
+            array('section' => $sect['id'], 'blocks' => $blocks, 'current' => $current));
 
-    // show drop-down for available skins
-    if (!isset($no_override['skin'])) {
-      $skins = rcmail_get_skins();
+        $advanced_prefs = (array) $RCMAIL->config->get('advanced_prefs');
 
-      if (count($skins) > 1) {
-        $field_id = 'rcmfd_skin';
-        $input_skin = new html_radiobutton(array('name'=>'_skin'));
-
-        $blocks['skin'] = array('name' => Q(rcube_label('skin')),);
-
-        foreach($skins as $skin) {
-          $thumbnail = "./skins/$skin/thumbnail.png";
-          if (!is_file($thumbnail))
-            $thumbnail = './program/resources/blank.gif';
-
-          $skinname = ucfirst($skin);
-          $author_link = $license_link = '';
-          $meta = @json_decode(@file_get_contents("./skins/$skin/meta.json"), true);
-          if (is_array($meta) && $meta['name']) {
-            $skinname = $meta['name'];
-            $author_link  = $meta['url'] ? html::a(array('href' => $meta['url'], 'target' => '_blank'), Q($meta['author'])) : Q($meta['author']);
-            $license_link = $meta['license-url'] ? html::a(array('href' => $meta['license-url'], 'target' => '_blank'), Q($meta['license'])) : Q($meta['license']);
-          }
-
-          $blocks['skin']['options'][$skin]['content'] = html::label(array('class' => 'skinselection'),
-            html::span('skinitem', $input_skin->show($config['skin'], array('value' => $skin, 'id' => $field_id.$skin))) .
-            html::span('skinitem', html::img(array('src' => $thumbnail, 'class' => 'skinthumbnail', 'alt' => $skin, 'width' => 64, 'height' => 64))) .
-            html::span('skinitem', html::span('skinname', Q($skinname)) . html::br() .
-              html::span('skinauthor', $author_link ? 'by ' . $author_link : '') . html::br() .
-              html::span('skinlicense', $license_link ? rcube_label('license').':&nbsp;' . $license_link : ''))
-          );
+        // create output
+        foreach ($data['blocks'] as $key => $block) {
+            if (!empty($block['content']) || !empty($block['options'])) {
+                $found = true;
+            }
+            // move some options to the 'advanced' block as configured by admin
+            if ($key != 'advanced') {
+                foreach ($advanced_prefs as $opt) {
+                    if ($block['options'][$opt]) {
+                        $data['blocks']['advanced']['options'][$opt] = $block['options'][$opt];
+                        unset($data['blocks'][$key]['options'][$opt]);
+                    }
+                }
+            }
         }
-      }
-    }
 
-    $product_name = $RCMAIL->config->get('product_name', 'Roundcube Webmail');
-    $RCMAIL->output->add_script(sprintf("%s.check_protocol_handler('%s', '#mailtoprotohandler');",
-      JS_OBJECT_NAME, JQ($product_name)), 'foot');
-
-    $blocks['browser'] = array(
-      'name' => Q(rcube_label('browseroptions')),
-      'options' => array('mailtoprotohandler' => array(
-        'content' => html::a(array(
-          'href' => '#',
-          'id' => 'mailtoprotohandler'), Q(rcube_label('mailtoprotohandler'))),
-        )),
-    );
-
-    break;
-
-    // Mailbox view (mail screen)
-    case 'mailbox':
-
-    $blocks = array(
-      'main' => array('name' => Q(rcube_label('mainoptions'))),
-      'new_message' => array('name' => Q(rcube_label('newmessage'))),
-    );
-
-    // show config parameter for preview pane
-    if (!isset($no_override['preview_pane'])) {
-      $field_id = 'rcmfd_preview';
-      $input_preview = new html_checkbox(array('name' => '_preview_pane', 'id' => $field_id, 'value' => 1,
-        'onchange' => "$('#rcmfd_preview_pane_mark_read').prop('disabled', !this.checked)"));
-
-      $blocks['main']['options']['preview_pane'] = array(
-        'title' => html::label($field_id, Q(rcube_label('previewpane'))),
-        'content' => $input_preview->show($config['preview_pane']?1:0),
-      );
-    }
-
-    // show config parameter for preview pane auto mark as read delay
-    if (!isset($no_override['preview_pane_mark_read'])) {
-      // apply default if config option is not set at all
-      $config['preview_pane_mark_read'] = $RCMAIL->config->get('preview_pane_mark_read', 0);
-
-      $field_id = 'rcmfd_preview_pane_mark_read';
-      $select_delay = new html_select(array('name' => '_preview_pane_mark_read', 'id' => $field_id,
-        'disabled' => $config['preview_pane']?0:1));
-
-      $select_delay->add(rcube_label('never'), '-1');
-      $select_delay->add(rcube_label('immediately'), 0);
-      foreach(array(5, 10, 20, 30) as $sec)
-        $select_delay->add(rcube_label(array('name' => 'afternseconds', 'vars' => array('n' => $sec))), $sec);
-
-      $blocks['main']['options']['preview_pane_mark_read'] = array(
-        'title' => html::label($field_id, Q(rcube_label('previewpanemarkread'))),
-        'content' => $select_delay->show(intval($config['preview_pane_mark_read'])),
-      );
-    }
-
-    if (!isset($no_override['mdn_requests'])) {
-      $field_id = 'rcmfd_mdn_requests';
-      $select_mdn_requests = new html_select(array('name' => '_mdn_requests', 'id' => $field_id));
-      $select_mdn_requests->add(rcube_label('askuser'), 0);
-      $select_mdn_requests->add(rcube_label('autosend'), 1);
-      $select_mdn_requests->add(rcube_label('autosendknown'), 3);
-      $select_mdn_requests->add(rcube_label('autosendknownignore'), 4);
-      $select_mdn_requests->add(rcube_label('ignore'), 2);
-
-      $blocks['main']['options']['mdn_requests'] = array(
-        'title' => html::label($field_id, Q(rcube_label('mdnrequests'))),
-        'content' => $select_mdn_requests->show($config['mdn_requests']),
-      );
-    }
-
-    $storage             = $RCMAIL->get_storage();
-    $threading_supported = $storage->get_capability('THREAD');
-
-    if (!isset($no_override['autoexpand_threads']) && $threading_supported) {
-      $field_id = 'rcmfd_autoexpand_threads';
-      $select_autoexpand_threads = new html_select(array('name' => '_autoexpand_threads', 'id' => $field_id));
-      $select_autoexpand_threads->add(rcube_label('never'), 0);
-      $select_autoexpand_threads->add(rcube_label('do_expand'), 1);
-      $select_autoexpand_threads->add(rcube_label('expand_only_unread'), 2);
-
-      $blocks['main']['options']['autoexpand_threads'] = array(
-        'title' => html::label($field_id, Q(rcube_label('autoexpand_threads'))),
-        'content' => $select_autoexpand_threads->show($config['autoexpand_threads']),
-      );
-    }
-
-    // show page size selection
-    if (!isset($no_override['mail_pagesize'])) {
-      $field_id = 'rcmfd_mail_pagesize';
-      $input_pagesize = new html_inputfield(array('name' => '_mail_pagesize', 'id' => $field_id, 'size' => 5));
-
-      $size = intval($config['mail_pagesize'] ? $config['mail_pagesize'] : $config['pagesize']);
-
-      $blocks['main']['options']['pagesize'] = array(
-        'title' => html::label($field_id, Q(rcube_label('pagesize'))),
-        'content' => $input_pagesize->show($size ? $size : 50),
-      );
-    }
-    if (!isset($no_override['check_all_folders'])) {
-      $field_id = 'rcmfd_check_all_folders';
-      $input_check_all = new html_checkbox(array('name' => '_check_all_folders', 'id' => $field_id, 'value' => 1));
-
-      $blocks['new_message']['options']['check_all_folders'] = array(
-        'title' => html::label($field_id, Q(rcube_label('checkallfolders'))),
-        'content' => $input_check_all->show($config['check_all_folders']?1:0),
-      );
-    }
-
-    break;
-
-    // Message viewing
-    case 'mailview':
-
-    $blocks = array(
-      'main' => array('name' => Q(rcube_label('mainoptions'))),
-    );
-
-    // show checkbox to open message view in new window
-    if (!isset($no_override['message_extwin'])) {
-      $field_id = 'rcmfd_message_extwin';
-      $input_msgextwin = new html_checkbox(array('name' => '_message_extwin', 'id' => $field_id, 'value' => 1));
-
-      $blocks['main']['options']['message_extwin'] = array(
-        'title' => html::label($field_id, Q(rcube_label('showinextwin'))),
-        'content' => $input_msgextwin->show($config['message_extwin']?1:0),
-      );
-    }
-
-    // show checkbox for HTML/plaintext messages
-    if (!isset($no_override['prefer_html'])) {
-      $field_id = 'rcmfd_htmlmsg';
-      $input_preferhtml = new html_checkbox(array('name' => '_prefer_html', 'id' => $field_id, 'value' => 1,
-        'onchange' => "$('#rcmfd_show_images').prop('disabled', !this.checked).val(0)"));
-
-      $blocks['main']['options']['prefer_html'] = array(
-        'title' => html::label($field_id, Q(rcube_label('preferhtml'))),
-        'content' => $input_preferhtml->show($config['prefer_html']?1:0),
-      );
-    }
-
-    if (!isset($no_override['default_charset'])) {
-      $field_id = 'rcmfd_default_charset';
-
-      $blocks['main']['options']['default_charset'] = array(
-        'title' => html::label($field_id, Q(rcube_label('defaultcharset'))),
-        'content' => $RCMAIL->output->charset_selector(array(
-          'name' => '_default_charset', 'selected' => $config['default_charset']
-        ))
-      );
-    }
-
-    if (!isset($no_override['show_images'])) {
-      $field_id = 'rcmfd_show_images';
-      $input_show_images = new html_select(array('name' => '_show_images', 'id' => $field_id,
-        'disabled' => !$config['prefer_html']));
-      $input_show_images->add(rcube_label('never'), 0);
-      $input_show_images->add(rcube_label('fromknownsenders'), 1);
-      $input_show_images->add(rcube_label('always'), 2);
-
-      $blocks['main']['options']['show_images'] = array(
-        'title' => html::label($field_id, Q(rcube_label('showremoteimages'))),
-        'content' => $input_show_images->show($config['prefer_html'] ? $config['show_images'] : 0),
-      );
-    }
-
-    if (!isset($no_override['inline_images'])) {
-      $field_id = 'rcmfd_inline_images';
-      $input_inline_images = new html_checkbox(array('name' => '_inline_images', 'id' => $field_id, 'value' => 1));
-
-      $blocks['main']['options']['inline_images'] = array(
-        'title' => html::label($field_id, Q(rcube_label('showinlineimages'))),
-        'content' => $input_inline_images->show($config['inline_images']?1:0),
-      );
-    }
-
-    // "display after delete" checkbox
-    if (!isset($no_override['display_next'])) {
-      $field_id = 'rcmfd_displaynext';
-      $input_displaynext = new html_checkbox(array('name' => '_display_next', 'id' => $field_id, 'value' => 1));
-
-      $blocks['main']['options']['display_next'] = array(
-        'title' => html::label($field_id, Q(rcube_label('displaynext'))),
-        'content' => $input_displaynext->show($config['display_next']?1:0),
-      );
-    }
-
-    break;
-
-    // Mail composition
-    case 'compose':
-
-    $blocks = array(
-      'main'       => array('name' => Q(rcube_label('mainoptions'))),
-      'spellcheck' => array('name' => Q(rcube_label('spellcheckoptions'))),
-      'sig'        => array('name' => Q(rcube_label('signatureoptions'))),
-    );
-
-    // show checkbox to compose messages in a new window
-    if (!isset($no_override['compose_extwin'])) {
-      $field_id = 'rcmfdcompose_extwin';
-      $input_compextwin = new html_checkbox(array('name' => '_compose_extwin', 'id' => $field_id, 'value' => 1));
-
-      $blocks['main']['options']['compose_extwin'] = array(
-        'title' => html::label($field_id, Q(rcube_label('composeextwin'))),
-        'content' => $input_compextwin->show($config['compose_extwin']?1:0),
-      );
-    }
-
-    if (!isset($no_override['htmleditor'])) {
-      $field_id = 'rcmfd_htmleditor';
-      $select_htmleditor = new html_select(array('name' => '_htmleditor', 'id' => $field_id));
-      $select_htmleditor->add(rcube_label('never'), 0);
-      $select_htmleditor->add(rcube_label('always'), 1);
-      $select_htmleditor->add(rcube_label('htmlonreply'), 2);
-      $select_htmleditor->add(rcube_label('htmlonreplyandforward'), 3);
-
-      $blocks['main']['options']['htmleditor'] = array(
-        'title' => html::label($field_id, Q(rcube_label('htmleditor'))),
-        'content' => $select_htmleditor->show(intval($config['htmleditor'])),
-      );
-    }
-
-    if (!isset($no_override['draft_autosave'])) {
-      $field_id = 'rcmfd_autosave';
-      $select_autosave = new html_select(array('name' => '_draft_autosave', 'id' => $field_id, 'disabled' => empty($config['drafts_mbox'])));
-      $select_autosave->add(rcube_label('never'), 0);
-      foreach (array(1, 3, 5, 10) as $i => $min)
-        $select_autosave->add(rcube_label(array('name' => 'everynminutes', 'vars' => array('n' => $min))), $min*60);
-
-      $blocks['main']['options']['draft_autosave'] = array(
-        'title' => html::label($field_id, Q(rcube_label('autosavedraft'))),
-        'content' => $select_autosave->show($config['draft_autosave']),
-      );
-    }
-
-    if (!isset($no_override['mime_param_folding'])) {
-      $field_id = 'rcmfd_param_folding';
-      $select_param_folding = new html_select(array('name' => '_mime_param_folding', 'id' => $field_id));
-      $select_param_folding->add(rcube_label('2231folding'), 0);
-      $select_param_folding->add(rcube_label('miscfolding'), 1);
-      $select_param_folding->add(rcube_label('2047folding'), 2);
-
-      $blocks['main']['options']['mime_param_folding'] = array(
-        'advanced' => true,
-        'title' => html::label($field_id, Q(rcube_label('mimeparamfolding'))),
-        'content' => $select_param_folding->show($config['mime_param_folding']),
-      );
-    }
-
-    if (!isset($no_override['force_7bit'])) {
-      $field_id = 'rcmfd_force_7bit';
-      $input_7bit = new html_checkbox(array('name' => '_force_7bit', 'id' => $field_id, 'value' => 1));
-
-      $blocks['main']['options']['force_7bit'] = array(
-        'title' => html::label($field_id, Q(rcube_label('force7bit'))),
-        'content' => $input_7bit->show($config['force_7bit']?1:0),
-      );
-    }
-
-    if (!isset($no_override['mdn_default'])) {
-      $field_id = 'rcmfd_mdn_default';
-      $input_mdn = new html_checkbox(array('name' => '_mdn_default', 'id' => $field_id, 'value' => 1));
-
-      $blocks['main']['options']['mdn_default'] = array(
-        'title' => html::label($field_id, Q(rcube_label('reqmdn'))),
-        'content' => $input_mdn->show($config['mdn_default']?1:0),
-      );
-    }
-
-    if (!isset($no_override['dsn_default'])) {
-      $field_id = 'rcmfd_dsn_default';
-      $input_dsn = new html_checkbox(array('name' => '_dsn_default', 'id' => $field_id, 'value' => 1));
-
-      $blocks['main']['options']['dsn_default'] = array(
-        'title' => html::label($field_id, Q(rcube_label('reqdsn'))),
-        'content' => $input_dsn->show($config['dsn_default']?1:0),
-      );
-    }
-
-    if (!isset($no_override['reply_same_folder'])) {
-      $field_id = 'rcmfd_reply_same_folder';
-      $input_reply_same_folder = new html_checkbox(array('name' => '_reply_same_folder', 'id' => $field_id, 'value' => 1));
-
-      $blocks['main']['options']['reply_same_folder'] = array(
-        'title' => html::label($field_id, Q(rcube_label('replysamefolder'))),
-        'content' => $input_reply_same_folder->show($config['reply_same_folder']?1:0),
-      );
-    }
-
-    if (!isset($no_override['reply_mode'])) {
-      $field_id = 'rcmfd_reply_mode';
-      $select_replymode = new html_select(array('name' => '_reply_mode', 'id' => $field_id,
-        'onchange' => "\$('#rcmfd_sig_above').attr('disabled',this.selectedIndex<2)"));
-      $select_replymode->add(rcube_label('replyempty'), -1);
-      $select_replymode->add(rcube_label('replybottomposting'), 0);
-      $select_replymode->add(rcube_label('replytopposting'), 1);
-
-      $blocks['main']['options']['reply_mode'] = array(
-        'title' => html::label($field_id, Q(rcube_label('whenreplying'))),
-        'content' => $select_replymode->show(intval($config['reply_mode'])),
-      );
-    }
-
-    if (!isset($no_override['spellcheck_before_send']) && $config['enable_spellcheck']) {
-      $field_id = 'rcmfd_spellcheck_before_send';
-      $input_spellcheck = new html_checkbox(array('name' => '_spellcheck_before_send', 'id' => $field_id, 'value' => 1));
-
-      $blocks['spellcheck']['options']['spellcheck_before_send'] = array(
-        'title' => html::label($field_id, Q(rcube_label('spellcheckbeforesend'))),
-        'content' => $input_spellcheck->show($config['spellcheck_before_send']?1:0),
-      );
-    }
-
-    if ($config['enable_spellcheck']) {
-      foreach (array('syms', 'nums', 'caps') as $key) {
-        $key = 'spellcheck_ignore_'.$key;
-        if (!isset($no_override[$key])) {
-          $input_spellcheck = new html_checkbox(array('name' => '_'.$key, 'id' => 'rcmfd_'.$key, 'value' => 1));
-
-          $blocks['spellcheck']['options'][$key] = array(
-            'title' => html::label($field_id, Q(rcube_label(str_replace('_', '', $key)))),
-            'content' => $input_spellcheck->show($config[$key]?1:0),
-          );
+        // move 'advanced' block to the end of the list
+        if (!empty($data['blocks']['advanced'])) {
+            $adv = $data['blocks']['advanced'];
+            unset($data['blocks']['advanced']);
+            $data['blocks']['advanced'] = $adv;
         }
-      }
+
+        if (!$found)
+            unset($sections[$idx]);
+        else
+            $sections[$idx]['blocks'] = $data['blocks'];
     }
 
-    if (!isset($no_override['show_sig'])) {
-      $field_id = 'rcmfd_show_sig';
-      $select_show_sig = new html_select(array('name' => '_show_sig', 'id' => $field_id));
-      $select_show_sig->add(rcube_label('never'), 0);
-      $select_show_sig->add(rcube_label('always'), 1);
-      $select_show_sig->add(rcube_label('newmessageonly'), 2);
-      $select_show_sig->add(rcube_label('replyandforwardonly'), 3);
+    $data = $RCMAIL->plugins->exec_hook('preferences_section_header',
+        array('section' => $sect['id'], 'header' => '', 'current' => $current));
 
-      $blocks['sig']['options']['show_sig'] = array(
-        'title' => html::label($field_id, Q(rcube_label('autoaddsignature'))),
-        'content' => $select_show_sig->show($RCMAIL->config->get('show_sig', 1)),
-      );
+    if(!empty($data['header'])) {
+        $sections[$idx]['header'] = $data['header'];
     }
 
-    if (!isset($no_override['sig_above'])) {
-      $field_id = 'rcmfd_sig_above';
-      $select_sigabove = new html_select(array('name' => '_sig_above', 'id' => $field_id, 'disabled' => $config['reply_mode'] < 1));
-      $select_sigabove->add(rcube_label('belowquote'), 0);
-      $select_sigabove->add(rcube_label('abovequote'), 1);
-
-      $blocks['sig']['options']['sig_above'] = array(
-        'title' => html::label($field_id, Q(rcube_label('replysignaturepos'))),
-        'content' => $select_sigabove->show($config['sig_above']?1:0),
-      );
-    }
-
-    if (!isset($no_override['strip_existing_sig'])) {
-      $field_id = 'rcmfd_strip_existing_sig';
-      $input_stripexistingsig = new html_checkbox(array('name' => '_strip_existing_sig', 'id' => $field_id, 'value' => 1));
-
-      $blocks['sig']['options']['strip_existing_sig'] = array(
-        'title' => html::label($field_id, Q(rcube_label('replyremovesignature'))),
-        'content' => $input_stripexistingsig->show($config['strip_existing_sig']?1:0),
-      );
-    }
-
-    if (!isset($no_override['forward_attachment'])) {
-      $field_id = 'rcmfd_forward_attachment';
-      $select = new html_select(array('name' => '_forward_attachment', 'id' => $field_id));
-      $select->add(rcube_label('inline'), 0);
-      $select->add(rcube_label('asattachment'), 1);
-
-      $blocks['main']['options']['forward_attachment'] = array(
-        'title' => html::label($field_id, Q(rcube_label('forwardmode'))),
-        'content' => $select->show(intval($config['forward_attachment'])),
-      );
-    }
-
-    if (!isset($no_override['default_font'])) {
-      $field_id     = 'rcmfd_default_font';
-      $fonts        = rcube_fontdefs();
-      $default_font = $config['default_font'] ? $config['default_font'] : 'Verdana';
-
-      $select = '<select name="_default_font" id="'.$field_id.'">';
-      foreach ($fonts as $fname => $font)
-        $select .= '<option value="'.$fname.'"'
-          . ($fname == $default_font ? ' selected="selected"' : '')
-          . ' style=\'font-family: ' . $font . '\'>'
-          . Q($fname) . '</option>';
-      $select .= '</select>';
-
-      $blocks['main']['options']['default_font'] = array(
-        'title' => html::label($field_id, Q(rcube_label('defaultfont'))),
-        'content' => $select
-      );
-    }
-
-    break;
-
-
-    // Addressbook config
-    case 'addressbook':
-
-    $blocks = array(
-      'main' => array('name' => Q(rcube_label('mainoptions'))),
-    );
-
-    if (!isset($no_override['default_addressbook'])
-      && ($books = $RCMAIL->get_address_sources(true))
-    ) {
-      $field_id = 'rcmfd_default_addressbook';
-      $select_abook = new html_select(array('name' => '_default_addressbook', 'id' => $field_id));
-
-      foreach ($books as $book) {
-        $select_abook->add(html_entity_decode($book['name'], ENT_COMPAT, 'UTF-8'), $book['id']);
-      }
-
-      $blocks['main']['options']['default_addressbook'] = array(
-        'title' => html::label($field_id, Q(rcube_label('defaultaddressbook'))),
-        'content' => $select_abook->show($config['default_addressbook']),
-      );
-    }
-
-    // show addressbook listing mode selection
-    if (!isset($no_override['addressbook_name_listing'])) {
-      $field_id = 'rcmfd_addressbook_name_listing';
-      $select_listing = new html_select(array('name' => '_addressbook_name_listing', 'id' => $field_id));
-      $select_listing->add(rcube_label('name'), 0);
-      $select_listing->add(rcube_label('firstname') . ' '  . rcube_label('surname'), 1);
-      $select_listing->add(rcube_label('surname')   . ' '  . rcube_label('firstname'), 2);
-      $select_listing->add(rcube_label('surname')   . ', ' . rcube_label('firstname'), 3);
-
-      $blocks['main']['options']['list_name_listing'] = array(
-        'title' => html::label($field_id, Q(rcube_label('listnamedisplay'))),
-        'content' => $select_listing->show($config['addressbook_name_listing']),
-      );
-    }
-
-    // show addressbook sort column
-    if (!isset($no_override['addressbook_sort_col'])) {
-      $field_id = 'rcmfd_addressbook_sort_col';
-      $select_sort = new html_select(array('name' => '_addressbook_sort_col', 'id' => $field_id));
-      $select_sort->add(rcube_label('name'), 'name');
-      $select_sort->add(rcube_label('firstname'), 'firstname');
-      $select_sort->add(rcube_label('surname'), 'surname');
-
-      $blocks['main']['options']['sort_col'] = array(
-        'title' => html::label($field_id, Q(rcube_label('listsorting'))),
-        'content' => $select_sort->show($config['addressbook_sort_col']),
-      );
-    }
-
-    // show addressbook page size selection
-    if (!isset($no_override['addressbook_pagesize'])) {
-      $field_id = 'rcmfd_addressbook_pagesize';
-      $input_pagesize = new html_inputfield(array('name' => '_addressbook_pagesize', 'id' => $field_id, 'size' => 5));
-
-      $size = intval($config['addressbook_pagesize'] ? $config['addressbook_pagesize'] : $config['pagesize']);
-
-      $blocks['main']['options']['pagesize'] = array(
-        'title' => html::label($field_id, Q(rcube_label('pagesize'))),
-        'content' => $input_pagesize->show($size ? $size : 50),
-      );
-    }
-
-    if (!isset($no_override['autocomplete_single'])) {
-      $field_id = 'rcmfd_autocomplete_single';
-      $checkbox = new html_checkbox(array('name' => '_autocomplete_single', 'id' => $field_id, 'value' => 1));
-
-      $blocks['main']['options']['autocomplete_single'] = array(
-        'title' => html::label($field_id, Q(rcube_label('autocompletesingle'))),
-        'content' => $checkbox->show($config['autocomplete_single']?1:0),
-      );
-    }
-
-    break;
-
-    // Special IMAP folders
-    case 'folders':
-
-    $blocks = array(
-      'main' => array('name' => Q(rcube_label('mainoptions'))),
-    );
-
-    // Configure special folders
-    if (!isset($no_override['default_folders'])) {
-      // load folders list only when needed
-      if ($current) {
-        $select = rcmail_mailbox_select(array(
-          'noselection'   => '---',
-          'realnames'     => true,
-          'maxlength'     => 30,
-          'folder_filter' => 'mail',
-          'folder_rights' => 'w',
-          // #1486114, #1488279
-          'onchange'      => "if ($(this).val() == 'INBOX') $(this).val('')",
-        ));
-      }
-      else // dummy select
-        $select = new html_select();
-
-      if (!isset($no_override['drafts_mbox']))
-        $blocks['main']['options']['drafts_mbox'] = array(
-          'title' => Q(rcube_label('drafts')),
-          'content' => $select->show($config['drafts_mbox'], array('name' => "_drafts_mbox")),
-        );
-
-      if (!isset($no_override['sent_mbox']))
-        $blocks['main']['options']['sent_mbox'] = array(
-          'title' => Q(rcube_label('sent')),
-          'content' => $select->show($config['sent_mbox'], array('name' => "_sent_mbox")),
-	);
-
-      if (!isset($no_override['junk_mbox']))
-        $blocks['main']['options']['junk_mbox'] = array(
-          'title' => Q(rcube_label('junk')),
-          'content' => $select->show($config['junk_mbox'], array('name' => "_junk_mbox")),
-	);
-
-      if (!isset($no_override['trash_mbox']))
-        $blocks['main']['options']['trash_mbox'] = array(
-          'title' => Q(rcube_label('trash')),
-          'content' => $select->show($config['trash_mbox'], array('name' => "_trash_mbox")),
-        );
-    }
-
-    break;
-
-    // Server settings
-    case 'server':
-
-    $blocks = array(
-      'main' => array('name' => Q(rcube_label('mainoptions'))),
-      'maintenance' => array('name' => Q(rcube_label('maintenance'))),
-    );
-
-    if (!isset($no_override['read_when_deleted'])) {
-      $field_id = 'rcmfd_read_deleted';
-      $input_readdeleted = new html_checkbox(array('name' => '_read_when_deleted', 'id' => $field_id, 'value' => 1));
-
-      $blocks['main']['options']['read_when_deleted'] = array(
-        'title' => html::label($field_id, Q(rcube_label('readwhendeleted'))),
-        'content' => $input_readdeleted->show($config['read_when_deleted']?1:0),
-      );
-    }
-
-    if (!isset($no_override['flag_for_deletion'])) {
-      $field_id = 'rcmfd_flag_for_deletion';
-      $input_flagfordeletion = new html_checkbox(array('name' => '_flag_for_deletion', 'id' => $field_id, 'value' => 1));
-
-      $blocks['main']['options']['flag_for_deletion'] = array(
-        'title' => html::label($field_id, Q(rcube_label('flagfordeletion'))),
-        'content' => $input_flagfordeletion->show($config['flag_for_deletion']?1:0),
-      );
-    }
-
-    // don't show deleted messages
-    if (!isset($no_override['skip_deleted'])) {
-      $field_id = 'rcmfd_skip_deleted';
-      $input_purge = new html_checkbox(array('name' => '_skip_deleted', 'id' => $field_id, 'value' => 1));
-
-      $blocks['main']['options']['skip_deleted'] = array(
-        'title' => html::label($field_id, Q(rcube_label('skipdeleted'))),
-        'content' => $input_purge->show($config['skip_deleted']?1:0),
-      );
-    }
-
-    if (!isset($no_override['delete_always'])) {
-      $field_id = 'rcmfd_delete_always';
-      $input_delete_always = new html_checkbox(array('name' => '_delete_always', 'id' => $field_id, 'value' => 1));
-
-      $blocks['main']['options']['delete_always'] = array(
-        'title' => html::label($field_id, Q(rcube_label('deletealways'))),
-        'content' => $input_delete_always->show($config['delete_always']?1:0),
-      );
-    }
-
-    if (!isset($no_override['delete_junk'])) {
-      $field_id = 'rcmfd_delete_junk';
-      $input_delete_junk = new html_checkbox(array('name' => '_delete_junk', 'id' => $field_id, 'value' => 1));
-
-      $blocks['main']['options']['delete_junk'] = array(
-        'title' => html::label($field_id, Q(rcube_label('deletejunk'))),
-        'content' => $input_delete_junk->show($config['delete_junk']?1:0),
-      );
-    }
-
-    // Trash purging on logout
-    if (!isset($no_override['logout_purge'])) {
-      $field_id = 'rcmfd_logout_purge';
-      $input_purge = new html_checkbox(array('name' => '_logout_purge', 'id' => $field_id, 'value' => 1));
-
-      $blocks['maintenance']['options']['logout_purge'] = array(
-        'title' => html::label($field_id, Q(rcube_label('logoutclear'))),
-        'content' => $input_purge->show($config['logout_purge']?1:0),
-      );
-    }
-
-    // INBOX compacting on logout
-    if (!isset($no_override['logout_expunge'])) {
-      $field_id = 'rcmfd_logout_expunge';
-      $input_expunge = new html_checkbox(array('name' => '_logout_expunge', 'id' => $field_id, 'value' => 1));
-
-      $blocks['maintenance']['options']['logout_expunge'] = array(
-        'title' => html::label($field_id, Q(rcube_label('logoutcompact'))),
-        'content' => $input_expunge->show($config['logout_expunge']?1:0),
-      );
-    }
-
-    break;
-    }
-
-    $data = $RCMAIL->plugins->exec_hook('preferences_list', array('section' => $sect['id'], 'blocks' => $blocks));
-    $found = false;
-
-    // create output
-    foreach ($data['blocks'] as $block) {
-      if (!empty($block['content']) || !empty($block['options'])) {
-        $found = true;
-	    break;
-      }
-    }
-
-    if (!$found)
-      unset($sections[$idx]);
-    else
-      $sections[$idx]['blocks'] = $data['blocks'];
-  }
-
-  return array($sections, $plugin['cols']);
+    return array($sections, $plugin['cols']);
 }
 
 
 function rcmail_get_skins()
 {
-  $path = 'skins';
-  $skins = array();
+    $path  = RCUBE_INSTALL_PATH . 'skins';
+    $skins = array();
+    $dir   = opendir($path);
 
-  $dir = opendir($path);
+    if (!$dir) {
+        return false;
+    }
 
-  if (!$dir)
-	return false;
+    while (($file = readdir($dir)) !== false) {
+        $filename = $path.'/'.$file;
+        if (!preg_match('/^\./', $file) && is_dir($filename) && is_readable($filename)) {
+            $skins[] = $file;
+        }
+    }
 
-  while (($file = readdir($dir)) !== false)
-  {
-    $filename = $path.'/'.$file;
-    if (!preg_match('/^\./', $file) && is_dir($filename) && is_readable($filename))
-      $skins[] = $file;
-  }
+    closedir($dir);
 
-  closedir($dir);
-
-  return $skins;
+    return $skins;
 }
 
 
@@ -965,43 +1319,82 @@
 {
     global $RCMAIL, $OUTPUT;
 
-    $default_folders = (array) $RCMAIL->config->get('default_folders');
     $protect_folders = $RCMAIL->config->get('protect_default_folders');
+    $storage         = $RCMAIL->get_storage();
+    $delimiter       = $storage->get_hierarchy_delimiter();
 
-    $storage      = $RCMAIL->get_storage();
-    $delimiter    = $storage->get_hierarchy_delimiter();
-    $name_utf8    = rcube_charset_convert($name, 'UTF7-IMAP');
-    $protected    = $protect_folders && in_array($name, $default_folders);
-
+    $name_utf8    = rcube_charset::convert($name, 'UTF7-IMAP');
+    $protected    = $protect_folders && $storage->is_special_folder($name);
     $foldersplit  = explode($delimiter, $storage->mod_folder($name));
     $level        = count($foldersplit) - 1;
-    $display_name = str_repeat('&nbsp;&nbsp;&nbsp;&nbsp;', $level)
-        . Q($protected ? rcmail_localize_foldername($name) : rcube_charset_convert($foldersplit[$level], 'UTF7-IMAP'));
+    $display_name = $protected ? $RCMAIL->localize_foldername($name) : rcube_charset::convert($foldersplit[$level], 'UTF7-IMAP');
+    $class_name   = trim($class_name . ' mailbox');
 
-    if ($oldname === null)
-        $OUTPUT->command('add_folder_row', $name_utf8, $display_name, $protected, $subscribe,
-            false, $class_name);
-    else
-        $OUTPUT->command('replace_folder_row', rcube_charset_convert($oldname, 'UTF7-IMAP'),
-            $name_utf8, $display_name, $protected, $class_name);
+    if ($oldname === null) {
+        $OUTPUT->command('add_folder_row', $name, $name_utf8, $display_name, $protected, $subscribe,
+            $class_name);
+    }
+    else {
+        $OUTPUT->command('replace_folder_row', $oldname, $name, $name_utf8, $display_name, $protected, $class_name);
+    }
 }
 
+/**
+ * Render the list of settings sections (AKA tabs)
+ */
+function rcmail_settings_tabs($attrib)
+{
+    global $RCMAIL, $OUTPUT;
 
-// register UI objects
-$OUTPUT->add_handlers(array(
-  'prefsframe' => 'rcmail_preferences_frame',
-  'sectionslist' => 'rcmail_sections_list',
-  'identitieslist' => 'rcmail_identities_list',
-));
+    // add default attributes
+    $attrib += array('tagname' => 'span', 'idprefix' => 'settingstab', 'selclass' => 'selected');
 
-// register action aliases
-$RCMAIL->register_action_map(array(
-    'folders'       => 'folders.inc',
-    'rename-folder' => 'folders.inc',
-    'delete-folder' => 'folders.inc',
-    'subscribe'     => 'folders.inc',
-    'unsubscribe'   => 'folders.inc',
-    'purge'         => 'folders.inc',
-    'folder-size'   => 'folders.inc',
-    'add-identity'  => 'edit_identity.inc',
-));
+    $default_actions = array(
+        array('command' => 'preferences', 'type' => 'link', 'label' => 'preferences', 'title' => 'editpreferences'),
+        array('command' => 'folders',     'type' => 'link', 'label' => 'folders',     'title' => 'managefolders'),
+        array('command' => 'identities',  'type' => 'link', 'label' => 'identities',  'title' => 'manageidentities'),
+        array('command' => 'responses',   'type' => 'link', 'label' => 'responses',   'title' => 'manageresponses'),
+    );
+
+    // get all identites from DB and define list of cols to be displayed
+    $plugin = $RCMAIL->plugins->exec_hook('settings_actions', array(
+        'actions' => $default_actions,
+        'attrib'  => $attrib,
+    ));
+
+    $attrib  = $plugin['attrib'];
+    $tagname = $attrib['tagname'];
+    $tabs    = array();
+
+    foreach ($plugin['actions'] as $action) {
+        if (!$action['command'] && !$action['href'] && $action['action']) {
+            $action['href'] = $RCMAIL->url(array('_action' => $action['action']));
+        }
+
+        $button = $OUTPUT->button($action);
+        $attr   = $attrib;
+
+        $cmd = $action['action'] ? $action['action'] : $action['command'];
+        $id  = $action['id'] ? $action['id'] : $cmd;
+
+        if (!empty($id)) {
+            $attr['id'] = preg_replace('/[^a-z0-9]/i', '', $attrib['idprefix'] . $id);
+        }
+
+        $classnames = array($attrib['class']);
+        if (!empty($action['class'])) {
+            $classnames[] = $action['class'];
+        }
+        else if (!empty($cmd)) {
+            $classnames[] = $cmd;
+        }
+        if ($RCMAIL->action == $cmd) {
+            $classnames[] = $attrib['selclass'];
+        }
+
+        $attr['class'] = join(' ', $classnames);
+        $tabs[] = html::tag($tagname, $attr, $button, html::$common_attrib);
+    }
+
+    return join('', $tabs);
+}

--
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