98 lines
2.6 KiB
PHP
98 lines
2.6 KiB
PHP
<?php
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/*
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* Gallery - a web based photo album viewer and editor
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* Copyright (C) 2000-2007 Bharat Mediratta
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or (at
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* 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, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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/**
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* @package Exif
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* @author Bharat Mediratta <bharat@menalto.com>
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* @version $Revision: 15513 $
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*/
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class ExifCallbacks {
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function callback($params, &$smarty, $callback, $userId=null) {
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global $gallery;
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switch ($callback) {
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case 'LoadExifInfo':
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GalleryCoreApi::requireOnce('modules/exif/classes/ExifHelper.class');
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list ($ret, $item) = GalleryCoreApi::loadEntitiesById($params['itemId']);
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if ($ret) {
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return $ret;
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}
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/* We only work on JPEG/raw data items */
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if (!GalleryUtilities::isA($item, 'GalleryDataItem') ||
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!preg_match('{^image/(p?jpeg(-cmyk)?|x-dcraw)$}', $item->getMimeType())) {
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return null;
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}
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/* Feed the file to exifer */
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list ($ret, $path) = $item->fetchPath();
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if ($ret) {
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return $ret;
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}
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/* Figure out which version we're looking at */
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$session =& $gallery->getSession();
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if (empty($mode)) {
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$mode = $session->get('exif.module.LoadExifInfo.mode');
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if (empty($mode)) {
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$mode = 'summary';
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}
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}
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if ($mode == 'detailed') {
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$filter = EXIF_DETAILED;
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} else {
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$filter = EXIF_SUMMARY;
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}
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list ($ret, $exifData) = ExifHelper::getExifData($path, $filter);
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if ($ret) {
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return $ret;
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}
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if (empty($exifData)) {
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if ($filter == EXIF_SUMMARY) {
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list ($ret, $exifData) = ExifHelper::getExifData($path, EXIF_DETAILED);
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} else {
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list ($ret, $exifData) = ExifHelper::getExifData($path, EXIF_SUMMARY);
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}
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if ($ret) {
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return $ret;
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}
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$mode = null;
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}
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if (empty($exifData)) {
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return null;
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}
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$block =& $smarty->_tpl_vars['block'];
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$block['exif']['LoadExifInfo']['exifData'] = $exifData;
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$block['exif']['LoadExifInfo']['mode'] = $mode;
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return null;
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}
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return GalleryCoreApi::error(ERROR_BAD_PARAMETER);
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}
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}
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?>
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