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<?php
/*
* Gallery - a web based photo album viewer and editor
* Copyright (C) 2000-2007 Bharat Mediratta
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or (at
* your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
*/
/**
* Exif Module
*
* This module provides support for adding exifs to items
*
* @package Exif
* @author Bharat Mediratta <bharat@menalto.com>
* @author Georg Rehfeld <rehfeld@georg-rehfeld.de>
* @author Jozsef R.Nagy <jozsef.rnagy@site.hu>
* @version $Revision: 16034 $
*/
class ExifModule extends GalleryModule {
function ExifModule() {
global $gallery;
$this->setId('exif');
$this->setName($gallery->i18n('EXIF/IPTC'));
$this->setDescription($gallery->i18n('Extract EXIF/IPTC data from JPEG photos'));
$this->setVersion('1.1.0'); /* Update upgrade() function below too */
$this->setGroup('data', $gallery->i18n('Extra Data'));
$this->setCallbacks('getSiteAdminViews');
$this->setRequiredCoreApi(array(7, 10));
$this->setRequiredModuleApi(array(3, 0));
}
/**
* @see GalleryModule::upgrade
*/
function upgrade($currentVersion) {
global $gallery;
if (!isset($currentVersion)) {
/* Initial install */
GalleryCoreApi::requireOnce('modules/exif/classes/ExifHelper.class');
$ret = ExifHelper::setDefaultProperties(EXIF_SUMMARY);
if ($ret) {
return $ret;
}
$ret = ExifHelper::setDefaultProperties(EXIF_DETAILED);
if ($ret) {
return $ret;
}
/* Import IPTC keywords into item keywords, see comment below for reason. */
$ret = $this->setParameter('addOption', IPTC_ITEM_KEYWORDS);
if ($ret) {
return $ret;
}
} else {
switch ($currentVersion) {
case '0.8.2':
case '0.8.3':
$ret = $this->setParameter('addOption', '0');
if ($ret) {
return $ret;
}
case '0.8.4':
case '0.8.5':
case '0.8.6':
case '0.8.7':
case '0.8.8':
case '0.8.9':
case '0.9.1':
/*
* New IPTC capabilities in 0.9.2, we add reasonable IPTC default properties to
* summary and detailed view. We also enable extraction of IPTC keywords into item
* keywords: item keywords are nowhere else set automatically and users adding
* IPTC keywords to their images (which must be done actively, as opposed to EXIF
* data generated by the camera) most probably will want to have them extracted.
*/
GalleryCoreApi::requireOnce('modules/exif/classes/ExifHelper.class');
$ret = ExifHelper::addDefaultIptcProperties(EXIF_SUMMARY);
if ($ret) {
return $ret;
}
$ret = ExifHelper::addDefaultIptcProperties(EXIF_DETAILED);
if ($ret) {
return $ret;
}
list ($ret, $addOption) = $this->getParameter('addOption');
if ($ret) {
return $ret;
}
$ret = $this->setParameter('addOption', $addOption | IPTC_ITEM_KEYWORDS);
if ($ret) {
return $ret;
}
case '0.9.2':
case '0.9.3':
case '0.9.4':
case '0.9.5':
case '0.9.6':
case '0.9.7':
case '0.9.8':
case '1.0.0':
case '1.0.1':
/* Added EXIF GPS tags */
case '1.0.2':
/* Upgrade to Exifixer 1.5 and add support for image/x-dcraw */
case '1.0.3':
case '1.0.4':
case '1.0.5':
case '1.0.6':
/* Rotate images based on exifdata */
case '1.0.7':
case '1.0.8':
case '1.0.9':
case 'end of upgrade path':
/*
* Leave this bogus case at the end of the legitimate case statements so that we
* always properly terminate our upgrade path with a break.
*/
break;
default:
return GalleryCoreApi::error(ERROR_BAD_PLUGIN, __FILE__, __LINE__,
sprintf('Unknown module version %s', $currentVersion));
}
}
return null;
}
/**
* @see GalleryModule::performFactoryRegistrations
*/
function performFactoryRegistrations() {
$ret = GalleryCoreApi::registerFactoryImplementation(
'ExifInterface_1_0', 'ExifExtractor', 'Exif',
'modules/exif/classes/ExifExtractor.class', 'exif', null);
if ($ret) {
return $ret;
}
$ret = GalleryCoreApi::registerFactoryImplementation(
'GalleryToolkit', 'ExifToolkit', 'Exif',
'modules/exif/classes/ExifToolkit.class', 'exif', null);
if ($ret) {
return $ret;
}
$ret = GalleryCoreApi::registerFactoryImplementation('ItemAddOption',
'ExifDescriptionOption', 'ExifDescriptionOption',
'modules/exif/ExifDescriptionOption.inc', 'exif', null);
if ($ret) {
return $ret;
}
return null;
}
/**
* @see GalleryModule::activate
*/
function activate($postActivationEvent=true) {
global $gallery;
$ret = GalleryCoreApi::registerToolkitProperty(
'Exif',
array('image/jpeg', 'image/pjpeg',
'image/jpeg-cmyk', 'image/pjpeg-cmyk', 'image/x-dcraw'),
'originationTimestamp',
'int',
$gallery->i18n('Get the origination timestamp'));
if ($ret) {
return array($ret, null);
}
list ($ret, $redirect) = parent::activate($postActivationEvent);
if ($ret) {
return array($ret, null);
}
return array(null, $redirect);
}
/**
* @see GalleryModule::getSiteAdminViews
*/
function getSiteAdminViews() {
global $gallery;
return array(null,
array(array('name' => $this->translate('EXIF/IPTC'),
'view' => 'exif.AdminExif')));
}
}
?>
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