forked from GNUsocial/gnu-social
231 lines
8.2 KiB
PHP
231 lines
8.2 KiB
PHP
<?php
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/**
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* StatusNet, the distributed open-source microblogging tool
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*
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* Delete a group
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*
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* PHP version 5
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*
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* LICENCE: This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* @category Group
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* @package StatusNet
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* @author Evan Prodromou <evan@status.net>
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* @author Brion Vibber <brion@status.net>
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* @copyright 2008-2010 StatusNet, Inc.
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* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
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* @link http://status.net/
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*/
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if (!defined('STATUSNET') && !defined('LACONICA')) {
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exit(1);
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}
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/**
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* Delete a group
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*
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* This is the action for deleting a group.
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*
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* @category Group
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* @package StatusNet
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* @author Evan Prodromou <evan@status.net>
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* @author Brion Vibber <brion@status.net>
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* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
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* @link http://status.net/
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* @fixme merge more of this code with related variants
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*/
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class DeletegroupAction extends RedirectingAction
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{
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var $group = null;
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/**
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* Prepare to run
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*
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* @fixme merge common setup code with other group actions
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* @fixme allow group admins to delete their own groups
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*/
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function prepare($args)
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{
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parent::prepare($args);
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if (!common_logged_in()) {
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// TRANS: Client error when trying to delete group while not logged in.
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$this->clientError(_('You must be logged in to delete a group.'));
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}
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$nickname_arg = $this->trimmed('nickname');
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$id = intval($this->arg('id'));
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if ($id) {
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$this->group = User_group::getKV('id', $id);
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} else if ($nickname_arg) {
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$nickname = common_canonical_nickname($nickname_arg);
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// Permanent redirect on non-canonical nickname
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if ($nickname_arg != $nickname) {
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$args = array('nickname' => $nickname);
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common_redirect(common_local_url('leavegroup', $args), 301);
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}
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$local = Local_group::getKV('nickname', $nickname);
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if (!$local) {
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// TRANS: Client error when trying to delete a non-local group.
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$this->clientError(_('No such group.'), 404);
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}
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$this->group = User_group::getKV('id', $local->group_id);
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} else {
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// TRANS: Client error when trying to delete a group without providing a nickname or ID for the group.
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$this->clientError(_('No nickname or ID.'), 404);
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}
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if (!$this->group) {
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// TRANS: Client error when trying to delete a non-existing group.
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$this->clientError(_('No such group.'), 404);
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}
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$cur = common_current_user();
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if (!$cur->hasRight(Right::DELETEGROUP)) {
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// TRANS: Client error when trying to delete a group without having the rights to delete it.
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$this->clientError(_('You are not allowed to delete this group.'), 403);
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}
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return true;
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}
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/**
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* Handle the request
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*
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* On POST, delete the group.
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*
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* @param array $args unused
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*
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* @return void
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*/
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function handle($args)
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{
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parent::handle($args);
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if ($_SERVER['REQUEST_METHOD'] == 'POST') {
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if ($this->arg('no')) {
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$this->returnToPrevious();
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return;
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} elseif ($this->arg('yes')) {
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$this->handlePost();
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return;
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}
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}
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$this->showPage();
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}
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function handlePost()
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{
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$cur = common_current_user();
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try {
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if (Event::handle('StartDeleteGroup', array($this->group))) {
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$this->group->delete();
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Event::handle('EndDeleteGroup', array($this->group));
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}
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} catch (Exception $e) {
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// TRANS: Server error displayed if a group could not be deleted.
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// TRANS: %s is the name of the group that could not be deleted.
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$this->serverError(sprintf(_('Could not delete group %s.'),
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$this->group->nickname));
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}
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if ($this->boolean('ajax')) {
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$this->startHTML('text/xml;charset=utf-8');
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$this->elementStart('head');
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// TRANS: Message given after deleting a group.
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// TRANS: %s is the deleted group's name.
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$this->element('title', null, sprintf(_('Deleted group %s'),
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$this->group->nickname));
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$this->elementEnd('head');
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$this->elementStart('body');
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// @fixme add a sensible AJAX response form!
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$this->elementEnd('body');
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$this->endHTML();
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} else {
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// @fixme if we could direct to the page on which this group
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// would have shown... that would be awesome
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common_redirect(common_local_url('groups'), 303);
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}
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}
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function title() {
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// TRANS: Title of delete group page.
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return _('Delete group');
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}
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function showContent() {
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$this->areYouSureForm();
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$block = new GroupProfileBlock($this, $this->group);
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$block->show();
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}
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/**
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* Confirm with user.
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* Ripped from DeleteuserAction
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*
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* Shows a confirmation form.
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*
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* @fixme refactor common code for things like this
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* @return void
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*/
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function areYouSureForm()
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{
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$id = $this->group->id;
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$this->elementStart('form', array('id' => 'deletegroup-' . $id,
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'method' => 'post',
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'class' => 'form_settings form_entity_block',
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'action' => common_local_url('deletegroup', array('id' => $this->group->id))));
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$this->elementStart('fieldset');
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$this->hidden('token', common_session_token());
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// TRANS: Form legend for deleting a group.
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$this->element('legend', _('Delete group'));
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if (Event::handle('StartDeleteGroupForm', array($this, $this->group))) {
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$this->element('p', null,
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// TRANS: Warning in form for deleleting a group.
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_('Are you sure you want to delete this group? '.
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'This will clear all data about the group from the '.
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'database, without a backup. ' .
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'Public posts to this group will still appear in ' .
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'individual timelines.'));
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foreach ($this->args as $k => $v) {
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if (substr($k, 0, 9) == 'returnto-') {
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$this->hidden($k, $v);
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}
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}
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Event::handle('EndDeleteGroupForm', array($this, $this->group));
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}
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$this->submit('form_action-no',
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// TRANS: Button label on the delete group form.
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_m('BUTTON','No'),
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'submit form_action-primary',
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'no',
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// TRANS: Submit button title for 'No' when deleting a group.
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_('Do not delete this group.'));
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$this->submit('form_action-yes',
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// TRANS: Button label on the delete group form.
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_m('BUTTON','Yes'),
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'submit form_action-secondary',
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'yes',
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// TRANS: Submit button title for 'Yes' when deleting a group.
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_('Delete this group.'));
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$this->elementEnd('fieldset');
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$this->elementEnd('form');
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}
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}
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