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roundcubemail/program/steps/settings/func.inc

1497 lines
60 KiB
PHP

<?php
/**
+-----------------------------------------------------------------------+
| This file is part of the Roundcube Webmail client |
| |
| Copyright (C) The Roundcube Dev Team |
| |
| Licensed under the GNU General Public License version 3 or |
| any later version with exceptions for skins & plugins. |
| See the README file for a full license statement. |
| |
| PURPOSE: |
| Provide functionality for user's settings & preferences |
+-----------------------------------------------------------------------+
| Author: Thomas Bruederli <roundcube@gmail.com> |
+-----------------------------------------------------------------------+
*/
if (!$OUTPUT->ajax_call) {
$OUTPUT->set_pagetitle($RCMAIL->gettext('preferences'));
}
// register UI objects
$OUTPUT->add_handlers(array(
'settingstabs' => 'rcmail_settings_tabs',
'sectionslist' => 'rcmail_sections_list',
'identitieslist' => 'rcmail_identities_list',
));
// register action aliases
$RCMAIL->register_action_map(array(
'folders' => 'folders.inc',
'rename-folder' => 'folders.inc',
'delete-folder' => 'folders.inc',
'subscribe' => 'folders.inc',
'unsubscribe' => 'folders.inc',
'purge' => 'folders.inc',
'folder-size' => 'folders.inc',
'add-folder' => 'edit_folder.inc',
'add-identity' => 'edit_identity.inc',
'add-response' => 'edit_response.inc',
'save-response' => 'edit_response.inc',
'delete-response' => 'responses.inc',
'delete-identity' => 'identities.inc',
'upload-display' => 'upload.inc',
));
function rcmail_sections_list($attrib)
{
global $RCMAIL;
// add id to message list table if not specified
if (!strlen($attrib['id'])) {
$attrib['id'] = 'rcmsectionslist';
}
list($list, $cols) = rcmail_user_prefs();
// 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');
return $out;
}
function rcmail_identities_list($attrib)
{
global $OUTPUT, $RCMAIL;
// add id to message list table if not specified
if (!strlen($attrib['id'])) {
$attrib['id'] = 'rcmIdentitiesList';
}
// get identities list and define 'mail' column
$list = $RCMAIL->user->list_emails();
foreach ($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')
));
// @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']);
return $out;
}
// similar function as in /steps/addressbook/edit.inc
function get_form_tags($attrib, $action, $id = null, $hidden = null)
{
global $EDIT_FORM, $RCMAIL;
$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
) + $attrib);
if (is_array($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', $EDIT_FORM);
}
return array($form_start, $form_end);
}
function rcmail_user_prefs($current = null)
{
global $RCMAIL;
$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('contacts'));
$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',
array('list' => $sections, 'cols' => array('section')));
$sections = $plugin['list'];
$config = $RCMAIL->config->all();
$no_override = array_flip((array)$RCMAIL->config->get('dont_override'));
foreach ($sections as $idx => $sect) {
$sections[$idx]['class'] = $sect['class'] ?: $idx;
if ($current && $sect['id'] != $current) {
continue;
}
$blocks = array();
switch ($sect['id']) {
// 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($RCMAIL->gettext('advancedoptions'))),
);
// language selection
if (!isset($no_override['language'])) {
if (!$current) {
continue 2;
}
$a_lang = $RCMAIL->list_languages();
asort($a_lang);
$field_id = 'rcmfd_lang';
$select = new html_select(array('name' => '_language', 'id' => $field_id));
$select->add(array_values($a_lang), array_keys($a_lang));
$blocks['main']['options']['language'] = array(
'title' => html::label($field_id, rcube::Q($RCMAIL->gettext('language'))),
'content' => $select->show($RCMAIL->user->language),
);
}
// timezone selection
if (!isset($no_override['timezone'])) {
if (!$current) {
continue 2;
}
$field_id = 'rcmfd_timezone';
$select = new html_select(array('name' => '_timezone', 'id' => $field_id));
$select->add($RCMAIL->gettext('autodetect'), 'auto');
$zones = array();
foreach (DateTimeZone::listIdentifiers() as $i => $tzs) {
if ($data = rcmail_timezone_standard_time_data($tzs)) {
$zones[$data['key']] = array($tzs, $data['offset']);
}
}
ksort($zones);
foreach ($zones as $zone) {
list($tzs, $offset) = $zone;
$select->add('(GMT ' . $offset . ') ' . rcmail_timezone_label($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),
);
}
// "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),
);
}
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) {
$skinname = ucfirst($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' => $RCMAIL->output->asset_url("skins/$skin/thumbnail.png"),
'class' => 'skinthumbnail',
'alt' => $skin,
'width' => 64,
'height' => 64,
'onerror' => "this.src = rcmail.assets_path('program/resources/blank.gif'); this.onerror = null",
));
$skinnames[] = mb_strtolower($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'))),
);
if (!isset($no_override['layout']) && count($config['supported_layouts']) > 1) {
if (!$current) {
continue 2;
}
$field_id = 'rcmfd_layout';
$select = new html_select(array('name' => '_layout', 'id' => $field_id));
$layouts = array(
'widescreen' => 'layoutwidescreendesc',
'desktop' => 'layoutdesktopdesc',
'list' => 'layoutlistdesc'
);
$available_layouts = array_intersect_key($layouts, array_flip($config['supported_layouts']));
foreach ($available_layouts as $val => $label) {
$select->add($RCMAIL->gettext($label), $val);
}
$blocks['main']['options']['layout'] = array(
'title' => html::label($field_id, rcube::Q($RCMAIL->gettext('layout'))),
'content' => $select->show($config['layout'] ?: 'widescreen'),
);
}
// show config parameter for auto marking the previewed message as read
if (!isset($no_override['mail_read_time'])) {
if (!$current) {
continue 2;
}
// apply default if config option is not set at all
$config['mail_read_time'] = intval($RCMAIL->config->get('mail_read_time'));
$field_id = 'rcmfd_mail_read_time';
$select = new html_select(array('name' => '_mail_read_time', 'id' => $field_id));
$select->add($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);
}
$blocks['main']['options']['mail_read_time'] = array(
'title' => html::label($field_id, rcube::Q($RCMAIL->gettext('automarkread'))),
'content' => $select->show($config['mail_read_time']),
);
}
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['pagesize']);
$blocks['main']['options']['pagesize'] = array(
'title' => html::label($field_id, rcube::Q($RCMAIL->gettext('pagesize'))),
'content' => $input->show($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('allowremoteresources'))),
'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),
);
}
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('htmlonreply'), 2);
$select->add($RCMAIL->gettext('htmlonreplyandforward'), 3);
$select->add($RCMAIL->gettext('always'), 1);
$select->add($RCMAIL->gettext('alwaysbutplain'), 4);
$blocks['main']['options']['htmleditor'] = array(
'title' => html::label($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);
$select->add($RCMAIL->gettext('replytoppostingnoindent'), 2);
$blocks['main']['options']['reply_mode'] = array(
'title' => html::label($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($no_override['sig_below'])) {
if (!$current) {
continue 2;
}
$field_id = 'rcmfd_sig_below';
$input = new html_checkbox(array('name' => '_sig_below', 'id' => $field_id, 'value' => 1));
$blocks['sig']['options']['sig_below'] = array(
'title' => html::label($field_id, rcube::Q($RCMAIL->gettext('sigbelow'))),
'content' => $input->show($RCMAIL->config->get('sig_below') ? 1 : 0),
);
}
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($no_override['sig_separator'])) {
if (!$current) {
continue 2;
}
$field_id = 'rcmfd_sig_separator';
$input = new html_checkbox(array('name' => '_sig_separator', 'id' => $field_id, 'value' => 1));
$blocks['sig']['options']['sig_separator'] = array(
'title' => html::label($field_id, rcube::Q($RCMAIL->gettext('sigseparator'))),
'content' => $input->show($RCMAIL->config->get('sig_separator') ? 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));
$fontsizes = array('', '8pt', '9pt', '10pt', '11pt', '12pt', '14pt', '18pt', '24pt', '36pt');
foreach ($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' => html::div('input-group', $select_default_font->show($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['pagesize']);
$blocks['main']['options']['pagesize'] = array(
'title' => html::label($field_id, rcube::Q($RCMAIL->gettext('pagesize'))),
'content' => $input->show($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;
}
$attrs = array('id' => '_drafts_mbox', 'name' => '_drafts_mbox', 'onchange' => $onchange);
$blocks['main']['options']['drafts_mbox'] = array(
'title' => html::label($attrs['id'], rcube::Q($RCMAIL->gettext('drafts'))),
'content' => $select->show($config['drafts_mbox'], $attrs),
);
}
if (!isset($no_override['sent_mbox'])) {
if (!$current) {
continue 2;
}
$attrs = array('id' => '_sent_mbox', 'name' => '_sent_mbox', 'onchange' => '');
$blocks['main']['options']['sent_mbox'] = array(
'title' => html::label($attrs['id'], rcube::Q($RCMAIL->gettext('sent'))),
'content' => $select->show($config['sent_mbox'], $attrs),
);
}
if (!isset($no_override['junk_mbox'])) {
if (!$current) {
continue 2;
}
$attrs = array('id' => '_junk_mbox', 'name' => '_junk_mbox', 'onchange' => $onchange);
$blocks['main']['options']['junk_mbox'] = array(
'title' => html::label($attrs['id'], rcube::Q($RCMAIL->gettext('junk'))),
'content' => $select->show($config['junk_mbox'], $attrs),
);
}
if (!isset($no_override['trash_mbox'])) {
if (!$current) {
continue 2;
}
$attrs = array('id' => '_trash_mbox', 'name' => '_trash_mbox', 'onchange' => $onchange);
$blocks['main']['options']['trash_mbox'] = array(
'title' => html::label($attrs['id'], rcube::Q($RCMAIL->gettext('trash'))),
'content' => $select->show($config['trash_mbox'], $attrs),
);
}
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($no_override['delete_junk'])) {
if (!$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),
);
}
}
$found = false;
$data = $RCMAIL->plugins->exec_hook('preferences_list',
array('section' => $sect['id'], 'blocks' => $blocks, 'current' => $current));
$advanced_prefs = (array) $RCMAIL->config->get('advanced_prefs');
// create output
foreach ($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'][$opt]);
}
}
}
}
// move 'advanced' block to the end of the list
if (!empty($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'];
// allow plugins to add a header to each section
$data = $RCMAIL->plugins->exec_hook('preferences_section_header',
array('section' => $sect['id'], 'header' => '', 'current' => $current));
if (!empty($data['header'])) {
$sections[$idx]['header'] = $data['header'];
}
}
return array($sections, $plugin['cols']);
}
function rcmail_get_skins()
{
global $RCMAIL;
$path = RCUBE_INSTALL_PATH . 'skins';
$skins = array();
$dir = opendir($path);
$limit = (array) $RCMAIL->config->get('skins_allowed');
if (!$dir) {
return false;
}
while (($file = readdir($dir)) !== false) {
$filename = $path . '/' . $file;
if ($file[0] != '.'
&& (empty($limit) || in_array($file, $limit))
&& is_dir($filename) && is_readable($filename)
) {
$skins[] = $file;
}
}
closedir($dir);
return $skins;
}
function rcmail_folder_options($mailbox)
{
global $RCMAIL;
$options = $RCMAIL->get_storage()->folder_info($mailbox);
$options['protected'] = $options['is_root']
|| strtoupper($mailbox) === 'INBOX'
|| ($options['special'] && $RCMAIL->config->get('protect_default_folders'));
return $options;
}
/**
* Updates (or creates) folder row in the subscriptions table
*
* @param string $name Folder name
* @param string $oldname Old folder name (for update)
* @param bool $subscribe Checks subscription checkbox
* @param string $class CSS class name for folder row
*/
function rcmail_update_folder_row($name, $oldname=null, $subscribe=false, $class_name=null)
{
global $RCMAIL;
$storage = $RCMAIL->get_storage();
$delimiter = $storage->get_hierarchy_delimiter();
$options = rcmail_folder_options($name);
$name_utf8 = rcube_charset::convert($name, 'UTF7-IMAP');
$foldersplit = explode($delimiter, $storage->mod_folder($name));
$level = count($foldersplit) - 1;
$display_name = $options['protected'] ? $RCMAIL->localize_foldername($name) : rcube_charset::convert($foldersplit[$level], 'UTF7-IMAP');
$class_name = trim($class_name . ' mailbox');
if ($oldname === null) {
$RCMAIL->output->command('add_folder_row', $name, $name_utf8, $display_name,
$options['protected'] || $options['noselect'], $subscribe, $class_name);
}
else {
$RCMAIL->output->command('replace_folder_row', $oldname, $name, $name_utf8, $display_name,
$options['protected'] || $options['noselect'], $class_name);
}
}
/**
* Render the list of settings sections (AKA tabs)
*/
function rcmail_settings_tabs($attrib)
{
global $RCMAIL, $OUTPUT;
// add default attributes
$attrib += array('tagname' => 'span', 'idprefix' => 'settingstab', 'selclass' => 'selected');
$default_actions = array(
array('action' => 'preferences', 'type' => 'link', 'label' => 'preferences', 'title' => 'editpreferences'),
array('action' => 'folders', 'type' => 'link', 'label' => 'folders', 'title' => 'managefolders'),
array('action' => 'identities', 'type' => 'link', 'label' => 'identities', 'title' => 'manageidentities'),
array('action' => 'responses', 'type' => 'link', 'label' => 'responses', 'title' => 'manageresponses'),
);
$disabled_actions = (array) $RCMAIL->config->get('disabled_actions');
// 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,
));
$selected = $RCMAIL->action ?: 'preferences';
$attrib = $plugin['attrib'];
$tagname = $attrib['tagname'];
$tabs = array();
foreach ($plugin['actions'] as $action) {
if (!$action['command'] && $action['action']) {
$action['prop'] = $action['action'];
$action['command'] = 'show';
}
else if ($action['command'] != 'show') {
// Backwards compatibility, show command added in 1.4
$action['prop'] = $action['command'];
$action['command'] = 'show';
}
$cmd = $action['prop'] ?: $action['action'];
$id = $action['id'] ?: $cmd;
if (in_array('settings.' . $cmd, $disabled_actions)) {
continue;
}
if (!$action['href']) {
$action['href'] = $RCMAIL->url(array('_action' => $cmd));
}
$button = $OUTPUT->button($action + array('type' => 'link'));
$attr = $attrib;
if (!empty($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[] = $cmd;
}
if ($cmd == $selected) {
$classnames[] = $attrib['selclass'];
}
$attr['class'] = join(' ', $classnames);
$tabs[] = html::tag($tagname, $attr, $button, html::$common_attrib);
}
return join('', $tabs);
}
/**
* Localize timezone identifiers
*/
function rcmail_timezone_label($tz)
{
static $labels;
if ($labels === null) {
$labels = array();
$lang = $_SESSION['language'];
if ($lang && $lang != 'en_US') {
if (file_exists(RCUBE_LOCALIZATION_DIR . "$lang/timezones.inc")) {
include RCUBE_LOCALIZATION_DIR . "$lang/timezones.inc";
}
}
}
if (empty($labels)) {
return str_replace('_', ' ', $tz);
}
$tokens = explode('/', $tz);
$key = 'tz';
foreach ($tokens as $i => $token) {
$idx = strtolower($token);
$token = str_replace('_', ' ', $token);
$key .= ":$idx";
$tokens[$i] = $labels[$key] ?: $token;
}
return implode('/', $tokens);
}
/**
* Returns timezone offset in standard time
*/
function rcmail_timezone_standard_time_data($tzname)
{
try {
$tz = new DateTimeZone($tzname);
$date = new DateTime(null, $tz);
$count = 12;
// Move back for a month (up to 12 times) until non-DST date is found
while ($count > 0 && $date->format('I')) {
$date->sub(new DateInterval('P1M'));
$count--;
}
$offset = $date->format('Z') + 45000;
$sortkey = sprintf('%06d.%s', $offset, $tzname);
return array(
'key' => $sortkey,
'offset' => $date->format('P'),
);
}
catch (Exception $e) {}
}