forked from GNUsocial/gnu-social
		
	
		
			
				
	
	
		
			395 lines
		
	
	
		
			15 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			395 lines
		
	
	
		
			15 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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|  * 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   StatusNet
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|  * @author    Evan Prodromou <evan@status.net>
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|  * @author    Zach Copley <zach@status.net>
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|  * @copyright 2008-2009 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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| 
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| if (!defined('GNUSOCIAL')) { exit(1); }
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| 
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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  StatusNet
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|  * @author   Evan Prodromou <evan@status.net>
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|  * @author   Zach Copley <zach@status.net>
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|  * @author   Sarven Capadisli <csarven@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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|  */
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| class AvatarsettingsAction extends SettingsAction
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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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| 
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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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|         // TRANS: Title for avatar upload page.
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|         return _('Avatar');
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|     }
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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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|         // TRANS: Instruction for avatar upload page.
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|         // TRANS: %s is the maximum file size, for example "500b", "10kB" or "2MB".
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|         return sprintf(_('You can upload your personal avatar. The maximum file size is %s.'),
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|                        ImageFile::maxFileSize());
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|     }
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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. Currently overrides FormAction's showContent
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|      * since we haven't made classes out of AvatarCropForm and AvatarUploadForm.
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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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| 
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|     function showUploadForm()
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|     {
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|         $user = common_current_user();
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| 
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|         $profile = $user->getProfile();
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| 
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|         if (!$profile) {
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|             common_log_db_error($user, 'SELECT', __FILE__);
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|             // TRANS: Error message displayed when referring to a user without a profile.
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|             $this->serverError(_('User has no profile.'));
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|         }
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| 
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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('avatarsettings')));
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|         $this->elementStart('fieldset');
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|         // TRANS: Avatar upload page form legend.
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|         $this->element('legend', null, _('Avatar settings'));
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|         $this->hidden('token', common_session_token());
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| 
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|         if (Event::handle('StartAvatarFormData', array($this))) {
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|             $this->elementStart('ul', 'form_data');
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|             try {
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|                 $original = Avatar::getUploaded($profile);
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| 
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|                 $this->elementStart('li', array('id' => 'avatar_original',
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|                                                 'class' => 'avatar_view'));
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|                 // TRANS: Header on avatar upload page for thumbnail of originally uploaded avatar (h2).
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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' => $original->displayUrl(),
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|                                             'width' => $original->width,
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|                                             'height' => $original->height,
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|                                             'alt' => $user->nickname));
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|                 $this->elementEnd('div');
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|                 $this->elementEnd('li');
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|             } catch (NoAvatarException $e) {
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|                 // No original avatar found!
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|             }
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| 
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|             try {
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|                 $avatar = $profile->getAvatar(AVATAR_PROFILE_SIZE);
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|                 $this->elementStart('li', array('id' => 'avatar_preview',
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|                                                 'class' => 'avatar_view'));
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|                 // TRANS: Header on avatar upload page for thumbnail of to be used rendition of uploaded avatar (h2).
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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' => $avatar->displayUrl(),
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|                                             'width' => AVATAR_PROFILE_SIZE,
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|                                             'height' => AVATAR_PROFILE_SIZE,
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|                                             'alt' => $user->nickname));
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|                 $this->elementEnd('div');
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|                 if (!empty($avatar->filename)) {
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|                     // TRANS: Button on avatar upload page to delete current avatar.
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|                     $this->submit('delete', _m('BUTTON','Delete'));
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|                 }
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|                 $this->elementEnd('li');
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|             } catch (NoAvatarException $e) {
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|                 // No previously uploaded avatar to preview.
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|             }
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| 
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|             $this->elementStart('li', array ('id' => 'settings_attach'));
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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' => ImageFile::maxFileSizeInt()));
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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->elementEnd('li');
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|             $this->elementEnd('ul');
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| 
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|             $this->elementStart('ul', 'form_actions');
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|             $this->elementStart('li');
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|                 // TRANS: Button on avatar upload page to upload an avatar.
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|             $this->submit('upload', _m('BUTTON','Upload'));
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|             $this->elementEnd('li');
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|             $this->elementEnd('ul');
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|         }
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|         Event::handle('EndAvatarFormData', array($this));
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| 
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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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|     function showCropForm()
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|     {
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|         $user = common_current_user();
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| 
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|         $profile = $user->getProfile();
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| 
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|         if (!$profile) {
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|             common_log_db_error($user, 'SELECT', __FILE__);
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|             // TRANS: Error message displayed when referring to a user without a profile.
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|             $this->serverError(_('User has no profile.'));
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|         }
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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('avatarsettings')));
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|         $this->elementStart('fieldset');
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|         // TRANS: Avatar upload page crop form legend.
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|         $this->element('legend', null, _('Avatar settings'));
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|         $this->hidden('token', common_session_token());
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| 
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|         $this->elementStart('ul', 'form_data');
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| 
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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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|         // TRANS: Header on avatar upload crop form for thumbnail of originally uploaded avatar (h2).
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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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|         $this->element('img', array('src' => Avatar::url($this->filedata['filename']),
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|                                     'width' => $this->filedata['width'],
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|                                     'height' => $this->filedata['height'],
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|                                     'alt' => $user->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',
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|                             array('id' => 'avatar_preview',
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|                                   'class' => 'avatar_view'));
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|         // TRANS: Header on avatar upload crop form for thumbnail of to be used rendition of uploaded avatar (h2).
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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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|         $this->element('img', array('src' => Avatar::url($this->filedata['filename']),
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|                                     'width' => AVATAR_PROFILE_SIZE,
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|                                     'height' => AVATAR_PROFILE_SIZE,
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|                                     'alt' => $user->nickname));
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|         $this->elementEnd('div');
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| 
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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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| 
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|         // TRANS: Button on avatar upload crop form to confirm a selected crop as avatar.
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|         $this->submit('crop', _m('BUTTON','Crop'));
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| 
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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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|         $this->elementEnd('form');
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|     }
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| 
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|     protected function doPost()
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|     {
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|         if (Event::handle('StartAvatarSaveForm', array($this))) {
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|             if ($this->trimmed('upload')) {
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|                 return $this->uploadAvatar();
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|             } else if ($this->trimmed('crop')) {
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|                 return $this->cropAvatar();
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|             } else if ($this->trimmed('delete')) {
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|                 return $this->deleteAvatar();
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|             } else {
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|                 // TRANS: Unexpected validation error on avatar upload form.
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|                 throw new ClientException(_('Unexpected form submission.'));
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|             }
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|             Event::handle('EndAvatarSaveForm', array($this));
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|         }
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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 uploadAvatar()
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|     {
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|         // ImageFile throws exception if something goes wrong, which we'll
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|         // pick up and show as an error message above the form.
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|         $imagefile = ImageFile::fromUpload('avatarfile');
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| 
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|         $type = $imagefile->preferredType();
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|         $filename = Avatar::filename($this->scoped->getID(),
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|                                      image_type_to_extension($type),
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|                                      null,
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|                                      'tmp'.common_timestamp());
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| 
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|         $filepath = Avatar::path($filename);
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|         $imagefile = $imagefile->copyTo($filepath);
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| 
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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' => $type);
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| 
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|         $_SESSION['FILEDATA'] = $filedata;
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| 
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|         $this->filedata = $filedata;
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| 
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|         $this->mode = 'crop';
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| 
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|         // TRANS: Avatar upload form instruction after uploading a file.
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|         return _('Pick a square area of the image to be your avatar.');
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|     }
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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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|     public function cropAvatar()
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|     {
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|         $filedata = $_SESSION['FILEDATA'];
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| 
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|         if (empty($filedata)) {
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|             // TRANS: Server error displayed if an avatar upload went wrong somehow server side.
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|             throw new ServerException(_('Lost our file data.'));
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|         }
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| 
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|         $file_d = min($filedata['width'],  $filedata['height']);
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| 
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|         $dest_x = $this->arg('avatar_crop_x') ? $this->arg('avatar_crop_x'):0;
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|         $dest_y = $this->arg('avatar_crop_y') ? $this->arg('avatar_crop_y'):0;
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|         $dest_w = $this->arg('avatar_crop_w') ? $this->arg('avatar_crop_w'):$file_d;
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|         $dest_h = $this->arg('avatar_crop_h') ? $this->arg('avatar_crop_h'):$file_d;
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|         $size = intval(min($dest_w, $dest_h, common_config('avatar', 'maxsize')));
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| 
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|         $box = array('width' => $size, 'height' => $size,
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|                      'x' => $dest_x,   'y' => $dest_y,
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|                      'w' => $dest_w,   'h' => $dest_h);
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| 
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|         $imagefile = new ImageFile(null, $filedata['filepath']);
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|         $filename = Avatar::filename($this->scoped->getID(), image_type_to_extension($imagefile->preferredType()),
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|                                      $size, common_timestamp());
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|         try {
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|             $imagefile->resizeTo(Avatar::path($filename), $box);
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|         } catch (UseFileAsThumbnailException $e) {
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|             common_debug('Using uploaded avatar directly without resizing, copying it to: '.$filename);
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|             if (!copy($filedata['filepath'], Avatar::path($filename))) {
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|                 common_debug('Tried to copy image file '.$filedata['filepath'].' to destination '.Avatar::path($filename));
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|                 throw new ServerException('Could not copy file to destination.');
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|             }
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|         }
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| 
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|         if ($this->scoped->setOriginal($filename)) {
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|             @unlink($filedata['filepath']);
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|             unset($_SESSION['FILEDATA']);
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|             $this->mode = 'upload';
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|             // TRANS: Success message for having updated a user avatar.
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|             return _('Avatar updated.');
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|         }
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| 
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|         // TRANS: Error displayed on the avatar upload page if the avatar could not be updated for an unknown reason.
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|         throw new ServerException(_('Failed updating avatar.'));
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|     }
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| 
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|     /**
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|      * Get rid of the current avatar.
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|      *
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|      * @return void
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|      */
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|     function deleteAvatar()
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|     {
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|         Avatar::deleteFromProfile($this->scoped);
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| 
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|         // TRANS: Success message for deleting a user avatar.
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|         return _('Avatar deleted.');
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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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| 
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|     function showStylesheets()
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|     {
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|         parent::showStylesheets();
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|         $this->cssLink('js/extlib/jquery-jcrop/css/jcrop.css','base','screen, projection, tv');
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|     }
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| 
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|     /**
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|      * Add the jCrop scripts
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|      *
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|      * @return void
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|      */
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|     function showScripts()
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|     {
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|         parent::showScripts();
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| 
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|         if ($this->mode == 'crop') {
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|             $this->script('extlib/jquery-jcrop/jcrop.js');
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|             $this->script('jcrop.go.js');
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|         }
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| 
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|         $this->autofocus('avatarfile');
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|     }
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| }
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