521 lines
16 KiB
PHP
521 lines
16 KiB
PHP
<?php
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/**
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* Laconica, the distributed open-source microblogging tool
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*
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* Upload an avatar
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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 Settings
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* @package Laconica
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* @author Evan Prodromou <evan@controlyourself.ca>
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* @author Zach Copley <zach@controlyourself.ca>
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* @copyright 2008-2009 Control Yourself, 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://laconi.ca/
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*/
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if (!defined('LACONICA')) {
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exit(1);
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}
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require_once INSTALLDIR.'/lib/accountsettingsaction.php';
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define('MAX_ORIGINAL', 480);
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/**
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* Upload an avatar
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*
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* We use jCrop plugin for jQuery to crop the image after upload.
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*
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* @category Settings
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* @package Laconica
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* @author Evan Prodromou <evan@controlyourself.ca>
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* @author Zach Copley <zach@controlyourself.ca>
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* @author Sarven Capadisli <csarven@controlyourself.ca>
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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://laconi.ca/
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*/
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class GrouplogoAction extends Action
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{
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var $mode = null;
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var $imagefile = null;
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var $filename = null;
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var $msg = null;
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var $success = null;
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/**
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* Prepare to run
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*/
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function prepare($args)
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{
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parent::prepare($args);
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if (!common_config('inboxes','enabled')) {
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$this->serverError(_('Inboxes must be enabled for groups to work'));
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return false;
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}
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if (!common_logged_in()) {
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$this->clientError(_('You must be logged in to create a group.'));
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return false;
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}
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$nickname_arg = $this->trimmed('nickname');
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$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('editgroup', $args), 301);
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return false;
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}
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if (!$nickname) {
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$this->clientError(_('No nickname'), 404);
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return false;
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}
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$groupid = $this->trimmed('groupid');
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if ($groupid) {
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$this->group = User_group::staticGet('id', $groupid);
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} else {
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$this->group = User_group::staticGet('nickname', $nickname);
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}
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if (!$this->group) {
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$this->clientError(_('No such group'), 404);
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return false;
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}
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$cur = common_current_user();
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if (!$cur->isAdmin($this->group)) {
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$this->clientError(_('You must be an admin to edit the group'), 403);
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return false;
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}
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return true;
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}
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function handle($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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$this->handlePost();
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} else {
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$this->showForm();
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}
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}
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function showForm($msg = null, $success = false)
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{
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$this->msg = $msg;
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$this->success = $success;
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$this->showPage();
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}
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/**
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* Title of the page
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*
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* @return string Title of the page
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*/
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function title()
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{
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return _('Group logo');
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}
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/**
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* Instructions for use
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*
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* @return instructions for use
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*/
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function getInstructions()
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{
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return _('You can upload a logo image for your group.');
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}
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/**
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* Content area of the page
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*
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* Shows a form for uploading an avatar.
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*
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* @return void
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*/
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function showContent()
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{
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if ($this->mode == 'crop') {
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$this->showCropForm();
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} else {
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$this->showUploadForm();
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}
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}
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function showUploadForm()
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{
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$user = common_current_user();
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$profile = $user->getProfile();
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if (!$profile) {
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common_log_db_error($user, 'SELECT', __FILE__);
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$this->serverError(_('User without matching profile'));
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return;
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}
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$original = $this->group->original_logo;
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$this->elementStart('form', array('enctype' => 'multipart/form-data',
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'method' => 'post',
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'id' => 'form_settings_avatar',
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'class' => 'form_settings',
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'action' =>
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common_local_url('grouplogo',
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array('nickname' => $this->group->nickname))));
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$this->elementStart('fieldset');
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$this->element('legend', null, _('Group logo'));
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$this->hidden('token', common_session_token());
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$this->elementStart('ul', 'form_data');
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if ($original) {
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$this->elementStart('li', array('id' => 'avatar_original',
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'class' => 'avatar_view'));
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$this->element('h2', null, _("Original"));
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$this->elementStart('div', array('id'=>'avatar_original_view'));
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$this->element('img', array('src' => $this->group->original_logo,
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'alt' => $this->group->nickname));
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$this->elementEnd('div');
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$this->elementEnd('li');
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}
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if ($this->group->homepage_logo) {
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$this->elementStart('li', array('id' => 'avatar_preview',
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'class' => 'avatar_view'));
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$this->element('h2', null, _("Preview"));
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$this->elementStart('div', array('id'=>'avatar_preview_view'));
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$this->element('img', array('src' => $this->group->homepage_logo,
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'width' => AVATAR_PROFILE_SIZE,
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'height' => AVATAR_PROFILE_SIZE,
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'alt' => $this->group->nickname));
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$this->elementEnd('div');
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$this->elementEnd('li');
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}
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$this->elementStart('li', array ('id' => 'settings_attach'));
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$this->element('input', array('name' => 'avatarfile',
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'type' => 'file',
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'id' => 'avatarfile'));
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$this->element('input', array('name' => 'MAX_FILE_SIZE',
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'type' => 'hidden',
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'id' => 'MAX_FILE_SIZE',
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'value' => MAX_AVATAR_SIZE));
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$this->elementEnd('li');
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$this->elementEnd('ul');
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$this->elementStart('ul', 'form_actions');
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$this->elementStart('li');
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$this->submit('upload', _('Upload'));
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$this->elementEnd('li');
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$this->elementEnd('ul');
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$this->elementEnd('fieldset');
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$this->elementEnd('form');
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}
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function showCropForm()
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{
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$this->elementStart('form', array('method' => 'post',
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'id' => 'form_settings_avatar',
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'class' => 'form_settings',
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'action' =>
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common_local_url('grouplogo',
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array('nickname' => $this->group->nickname))));
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$this->elementStart('fieldset');
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$this->element('legend', null, _('Avatar settings'));
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$this->hidden('token', common_session_token());
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$this->elementStart('ul', 'form_data');
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$this->elementStart('li',
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array('id' => 'avatar_original',
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'class' => 'avatar_view'));
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$this->element('h2', null, _("Original"));
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$this->elementStart('div', array('id'=>'avatar_original_view'));
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$this->element('img', array('src' => common_avatar_url($this->filedata['filename']),
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'width' => $this->filedata['width'],
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'height' => $this->filedata['height'],
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'alt' => $this->group->nickname));
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$this->elementEnd('div');
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$this->elementEnd('li');
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$this->elementStart('li',
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array('id' => 'avatar_preview',
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'class' => 'avatar_view'));
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$this->element('h2', null, _("Preview"));
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$this->elementStart('div', array('id'=>'avatar_preview_view'));
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$this->element('img', array('src' => common_avatar_url($this->filedata['filename']),
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'width' => AVATAR_PROFILE_SIZE,
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'height' => AVATAR_PROFILE_SIZE,
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'alt' => $this->group->nickname));
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$this->elementEnd('div');
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foreach (array('avatar_crop_x', 'avatar_crop_y',
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'avatar_crop_w', 'avatar_crop_h') as $crop_info) {
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$this->element('input', array('name' => $crop_info,
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'type' => 'hidden',
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'id' => $crop_info));
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}
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$this->submit('crop', _('Crop'));
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$this->elementEnd('li');
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$this->elementEnd('ul');
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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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* Handle a post
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*
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* We mux on the button name to figure out what the user actually wanted.
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*
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* @return void
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*/
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function handlePost()
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{
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// CSRF protection
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$token = $this->trimmed('token');
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if (!$token || $token != common_session_token()) {
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$this->show_form(_('There was a problem with your session token. '.
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'Try again, please.'));
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return;
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}
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if ($this->arg('upload')) {
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$this->uploadLogo();
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} else if ($this->arg('crop')) {
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$this->cropLogo();
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} else {
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$this->showForm(_('Unexpected form submission.'));
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}
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}
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/**
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* Handle an image upload
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*
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* Does all the magic for handling an image upload, and crops the
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* image by default.
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*
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* @return void
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*/
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function uploadLogo()
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{
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try {
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$imagefile = ImageFile::fromUpload('avatarfile');
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} catch (Exception $e) {
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$this->showForm($e->getMessage());
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return;
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}
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$filename = common_avatar_filename($this->group->id,
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image_type_to_extension($imagefile->type),
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null,
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'group-temp-'.common_timestamp());
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$filepath = common_avatar_path($filename);
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move_uploaded_file($imagefile->filename, $filepath);
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$filedata = array('filename' => $filename,
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'filepath' => $filepath,
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'width' => $imagefile->width,
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'height' => $imagefile->height,
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'type' => $imagefile->type);
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$_SESSION['FILEDATA'] = $filedata;
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$this->filedata = $filedata;
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$this->mode = 'crop';
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$this->showForm(_('Pick a square area of the image to be your avatar'),
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true);
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}
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/**
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* Handle the results of jcrop.
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*
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* @return void
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*/
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function cropLogo()
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{
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$user = common_current_user();
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$profile = $user->getProfile();
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$filedata = $_SESSION['FILEDATA'];
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if (!$filedata) {
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$this->serverError(_('Lost our file data.'));
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return;
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}
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$x = $this->arg('avatar_crop_x');
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$y = $this->arg('avatar_crop_y');
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$w = ($this->arg('avatar_crop_w')) ? $this->arg('avatar_crop_w') : $filedata['width'];
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$h = ($this->arg('avatar_crop_h')) ? $this->arg('avatar_crop_h') : $filedata['height'];
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$filepath = common_avatar_path($filedata['filename']);
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if (!file_exists($filepath)) {
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$this->serverError(_('Lost our file.'));
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return;
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}
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switch ($filedata['type']) {
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case IMAGETYPE_GIF:
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$image_src = imagecreatefromgif($filepath);
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break;
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case IMAGETYPE_JPEG:
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$image_src = imagecreatefromjpeg($filepath);
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break;
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case IMAGETYPE_PNG:
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$image_src = imagecreatefrompng($filepath);
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break;
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default:
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$this->serverError(_('Unknown file type'));
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return;
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}
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$size = ($w > MAX_ORIGINAL) ? MAX_ORIGINAL : $w;
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$image_dest = imagecreatetruecolor($size, $size);
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$background = imagecolorallocate($image_dest, 0, 0, 0);
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ImageColorTransparent($image_dest, $background);
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imagealphablending($image_dest, false);
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imagecopyresized($image_dest, $image_src,
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0, 0, $x, $y,
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$size, $size, $w, $h);
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$filename = common_avatar_filename($this->group->id,
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image_type_to_extension($filedata['type']),
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null,
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'group-'.common_timestamp());
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$filepath = common_avatar_path($filename);
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switch ($filedata['type']) {
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case IMAGETYPE_GIF:
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imagegif($image_dest, $filepath);
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break;
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case IMAGETYPE_JPEG:
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imagejpeg($image_dest, $filepath);
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break;
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case IMAGETYPE_PNG:
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imagepng($image_dest, $filepath);
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break;
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default:
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$this->serverError(_('Unknown file type'));
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return;
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}
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if ($this->group->setOriginal($filename, $filedata['type'])) {
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@unlink(common_avatar_path($filedata['filename']));
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unset($_SESSION['FILEDATA']);
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$this->mode = 'upload';
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$this->showForm(_('Logo updated.'), true);
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} else {
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$this->showForm(_('Failed updating logo.'));
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}
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}
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function showPageNotice()
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{
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if ($this->msg) {
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$this->element('div', ($this->success) ? 'success' : 'error',
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$this->msg);
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} else {
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$inst = $this->getInstructions();
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$output = common_markup_to_html($inst);
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$this->elementStart('div', 'instructions');
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$this->raw($output);
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$this->elementEnd('div');
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}
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}
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/**
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* Add the jCrop stylesheet
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*
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* @return void
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*/
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function showStylesheets()
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{
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parent::showStylesheets();
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$jcropStyle =
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common_path('theme/base/css/jquery.Jcrop.css?version='.LACONICA_VERSION);
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$this->element('link', array('rel' => 'stylesheet',
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'type' => 'text/css',
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'href' => $jcropStyle,
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'media' => 'screen, projection, tv'));
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}
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/**
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* Add the jCrop scripts
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*
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* @return void
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*/
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function showScripts()
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{
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parent::showScripts();
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if ($this->mode == 'crop') {
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$jcropPack = common_path('js/jcrop/jquery.Jcrop.pack.js');
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$jcropGo = common_path('js/jcrop/jquery.Jcrop.go.js');
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$this->element('script', array('type' => 'text/javascript',
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'src' => $jcropPack));
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$this->element('script', array('type' => 'text/javascript',
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'src' => $jcropGo));
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}
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}
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function showLocalNav()
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{
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$nav = new GroupNav($this, $this->group);
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$nav->show();
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}
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}
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