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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.
*/
/**
* Plugin for editing data common to all items
* @package GalleryCore
* @subpackage UserInterface
* @author Bharat Mediratta <bharat@menalto.com>
* @version $Revision: 15513 $
*/
class ItemEditItem extends ItemEditPlugin {
/**
* @see ItemEditPlugin::handleRequest
*/
function handleRequest($form, &$item, &$preferred) {
global $gallery;
$status = null;
$error = array();
if (isset($form['action']['undo'])) {
/*
* Take no action and we'll be redirected back to the same page which will
* reset the form.
*/
} else if (isset($form['action']['save'])) {
list ($ret, $rootAlbumId) =
GalleryCoreApi::getPluginParameter('module', 'core', 'id.rootAlbum');
if ($ret) {
return array($ret, null, null, null);
}
$isRootAlbum = $item->getId() == $rootAlbumId;
/* Validate the input data. */
$platform =& $gallery->getPlatform();
foreach (array('title', 'summary', 'keywords', 'description') as $key) {
if (!empty($form[$key]) && is_string($form[$key])) {
$form[$key] = trim($form[$key]);
} else {
$form[$key] = null;
}
}
if (!$isRootAlbum) {
if (empty($form['pathComponent']) || !is_string($form['pathComponent'])) {
$error[] = 'form[error][pathComponent][missing]';
$form['pathComponent'] = '';
} else if (!$platform->isLegalPathComponent($form['pathComponent'])) {
$error[] = 'form[error][pathComponent][invalid]';
}
}
if ($isRootAlbum) {
if (empty($form['title'])) {
$error[] = 'form[error][title][missingRootTitle]';
}
}
if (!empty($form['originationTimestampSplit'])) {
$newOriginationTimestamp = mktime($form['originationTimestampSplit']['Time_Hour'],
$form['originationTimestampSplit']['Time_Minute'],
$form['originationTimestampSplit']['Time_Second'],
$form['originationTimestampSplit']['Date_Month'],
$form['originationTimestampSplit']['Date_Day'],
$form['originationTimestampSplit']['Date_Year']);
GalleryUtilities::putRequestVariable(
'form[originationTimestamp]', $newOriginationTimestamp);
}
if (!empty($form['thumbnail']['size']) &&
(!is_numeric($form['thumbnail']['size']) || $form['thumbnail']['size'] < 0)) {
$error[] = 'form[error][thumbnail][size][invalid]';
}
if (empty($error) && isset($form['thumbnail']['size'])) {
/* Load the thumbnail */
list ($ret, $thumbnail) =
GalleryCoreApi::fetchThumbnailsByItemIds(array($item->getId()));
if ($ret) {
return array($ret, null, null, null);
}
$thumbnail = empty($thumbnail) ? null : $thumbnail[$item->getId()];
if (!isset($thumbnail) && $form['thumbnail']['size'] > 0) {
if (GalleryUtilities::isA($item, 'GalleryAlbumItem')) {
/* Create album highlight (with default thumbnail size) */
list ($ret) = GalleryCoreApi::guaranteeAlbumHasThumbnail($item->getId());
if ($ret) {
return array($ret, null, null, null);
}
list ($ret, $thumbnail) =
GalleryCoreApi::fetchThumbnailsByItemIds(array($item->getId()));
if ($ret) {
return array($ret, null, null, null);
}
if (empty($thumbnail)) {
$error[] = 'form[error][thumbnail][create][forAlbum]';
$thumbnail = null;
} else {
$thumbnail = $thumbnail[$item->getId()];
}
} else {
/* Prepare new thumbnail source and toolkit operations */
list ($ret, $source) = GalleryCoreApi::fetchPreferredSource($item);
if ($ret) {
return array($ret, null, null, null);
}
if (isset($source)) {
list ($ret, $operations, $outputMimeType) =
GalleryCoreApi::makeSupportedViewableOperationSequence(
$source->getMimeType(),
'thumbnail|' . $form['thumbnail']['size']);
if ($ret) {
return array($ret, null, null, null);
}
}
if (!isset($operations)) {
$error[] = 'form[error][thumbnail][create][forItem]';
}
}
}
if (isset($thumbnail) && $form['thumbnail']['size'] > 0) {
/* Change the thumbnail */
$thumbnail->setDerivativeOperations(
preg_replace('/((^|;)thumbnail)\|\d+/', '$1|' .
$form['thumbnail']['size'],
$thumbnail->getDerivativeOperations()));
if ($thumbnail->isModified()) {
list ($ret, $lockId) =
GalleryCoreApi::acquireWriteLock($thumbnail->getId());
if ($ret) {
return array($ret, null, null, null);
}
$ret = $thumbnail->save();
if ($ret) {
return array($ret, null, null, null);
}
$ret = GalleryCoreApi::releaseLocks(array($lockId));
if ($ret) {
return array($ret, null, null, null);
}
}
} else if (isset($thumbnail) && empty($form['thumbnail']['size'])) {
/* Delete the thumbnail */
$ret = GalleryCoreApi::deleteEntityById($thumbnail->getId());
if ($ret) {
return array($ret, null, null, null);
}
} else if ($form['thumbnail']['size'] > 0 && empty($error)) {
/* Create the thumbnail */
list ($ret, $thumbnail) =
GalleryCoreApi::newFactoryInstanceByHint('GalleryDerivative',
$source->getEntityType());
if ($ret) {
return array($ret, null, null, null);
}
if (!isset($thumbnail)) {
return array(GalleryCoreApi::error(ERROR_MISSING_OBJECT),
null, null, null);
}
$ret = $thumbnail->create($item->getId(), DERIVATIVE_TYPE_IMAGE_THUMBNAIL);
if ($ret) {
return array($ret, null, null, null);
}
$thumbnail->setMimeType($outputMimeType);
$thumbnail->setDerivativeSourceId($source->getId());
$thumbnail->setDerivativeOperations($operations);
$ret = $thumbnail->save();
if ($ret) {
return array($ret, null, null, null);
}
}
}
if (empty($error)) {
list ($ret, $lockId) = GalleryCoreApi::acquireWriteLock($item->getId());
if ($ret) {
return array($ret, null, null, null);
}
/*
* It's possible to get a collision when we rename, so try that
* first. If there's no collision then make the rest of the changes.
*/
$originalPathComponent = $item->getPathComponent();
if (isset($form['pathComponent']) &&
$item->getPathComponent() != $form['pathComponent']) {
if ($isRootAlbum) {
GalleryCoreApi::releaseLocks($lockId);
return array(GalleryCoreApi::error(ERROR_BAD_PARAMETER),
null, null, null);
} else {
$ret = $item->rename($form['pathComponent']);
if ($ret && !($ret->getErrorCode() & ERROR_COLLISION)) {
GalleryCoreApi::releaseLocks($lockId);
return array($ret, null, null, null);
}
}
}
if ($ret && $ret->getErrorCode() & ERROR_COLLISION) {
$error[] = 'form[error][pathComponent][collision]';
} else {
list ($ret, $markup) =
GalleryCoreApi::getPluginParameter('module', 'core', 'misc.markup');
if ($ret) {
return array($ret, null, null, null);
}
if ($markup == 'html') {
/* Strip malicious content if html markup allowed */
$form['title'] = GalleryUtilities::htmlSafe($form['title'], true);
$form['summary'] = GalleryUtilities::htmlSafe($form['summary'], true);
$form['description'] =
GalleryUtilities::htmlSafe($form['description'], true);
}
$item->setTitle($form['title']);
$item->setSummary($form['summary']);
$item->setKeywords($form['keywords']);
$item->setDescription($form['description']);
$item->setSerialNumber($form['serialNumber']);
/* Change the originationTimestamp */
if (!empty($newOriginationTimestamp)) {
$item->setOriginationTimestamp($newOriginationTimestamp);
}
$ret = $item->save();
if ($ret) {
if (isset($form['pathComponent']) &&
$originalPathComponent != $form['pathComponent']) {
/*
* Move the file back and hope that this succeeds
* since we're already in an error state
*/
$item->rename($originalPathComponent);
}
GalleryCoreApi::releaseLocks($lockId);
return array($ret, null, null, null);
}
/* Prepare our status message */
list ($ret, $module) = GalleryCoreApi::loadPlugin('module', 'core');
if ($ret) {
return array($ret, null, null, null);
}
$status = $module->translate('Changes saved successfully');
}
$ret = GalleryCoreApi::releaseLocks($lockId);
if ($ret) {
return array($ret, null, null, null);
}
}
}
return array(null, $error, $status, false);
}
/**
* @see ItemEditPlugin::loadTemplate
*/
function loadTemplate(&$template, &$form, $item, $thumbnail) {
global $gallery;
$platform =& $gallery->getPlatform();
if ($form['formName'] != 'ItemEditItem') {
/* First time around, load the form with item data */
$form['formName'] = 'ItemEditItem';
$form['title'] = $item->getTitle();
$form['summary'] = $item->getSummary();
$form['keywords'] = $item->getKeywords();
$form['description'] = $item->getDescription();
$form['pathComponent'] = $item->getPathComponent();
$form['originationTimestamp'] = $item->getOriginationTimestamp();
$form['thumbnail']['size'] = null;
if (!empty($thumbnail) && preg_match('/thumbnail\|(\d+)/',
$thumbnail->getDerivativeOperations(),
$matches)) {
$form['thumbnail']['size'] = $matches[1];
}
}
foreach (array('title', 'description', 'summary', 'pathComponent') as $key) {
if (!empty($form[$key]) && !is_string($form[$key])) {
$form[$key] = '';
}
}
list ($ret, $rootAlbumId) =
GalleryCoreApi::getPluginParameter('module', 'core', 'id.rootAlbum');
if ($ret) {
return array($ret, null, null);
}
$can = array('createThumbnail' => false);
$can['changePathComponent'] = $can['editThumbnail'] = ($item->getId() != $rootAlbumId);
if (GalleryUtilities::isA($item, 'GalleryAlbumItem')) {
$can['createThumbnail'] = true;
if (!isset($thumbnail)) {
list ($ret, $childIds) = GalleryCoreApi::fetchChildItemIds($item, 0, 1);
if ($ret) {
return array($ret, null, null);
}
if (empty($childIds)) {
$can['editThumbnail'] = false;
}
}
} else if (isset($thumbnail) && $thumbnail->getDerivativeSourceId() != $item->getId()) {
list ($ret, $source) =
GalleryCoreApi::loadEntitiesById($thumbnail->getDerivativeSourceId());
if ($ret) {
return array($ret, null, null);
}
list ($ret, $can['createThumbnail']) = GalleryCoreApi::isSupportedOperationSequence(
$source->getMimeType(), $thumbnail->getDerivativeOperations());
if ($ret) {
return array($ret, null, null);
}
} else if (method_exists($item, 'getMimeType')) {
list ($ret, $operations) = GalleryCoreApi::makeSupportedViewableOperationSequence(
$item->getMimeType(), 'thumbnail|150');
if ($ret) {
return array($ret, null, null);
}
$can['createThumbnail'] = isset($operations);
}
$ItemEditItem = array('can' => $can,
'typeName' => $item->itemTypeName());
/* The originateTimestamp that we can get from our toolkits */
list ($ret, $originationTimestamp) = GalleryCoreApi::fetchOriginationTimestamp($item);
if ($ret) {
return array($ret, null, null);
}
if ($originationTimestamp > 0) {
$ItemEditItem['originationTimestamp'] = array(
'timestamp' => $originationTimestamp,
'Time_Hour' => $platform->strftime('%H', $originationTimestamp),
'Time_Minute' => $platform->strftime('%M', $originationTimestamp),
'Time_Second' => $platform->strftime('%S', $originationTimestamp),
'Date_Day' => ltrim($platform->strftime('%d', $originationTimestamp), '0'),
'Date_Month' => $platform->strftime('%m', $originationTimestamp),
'Date_Year' => $platform->strftime('%Y', $originationTimestamp),
);
}
/* The template needs to differentiate some important itemTypes */
if (GalleryUtilities::isA($item, 'GalleryPhotoItem')) {
$ItemEditItem['isItemPhoto'] = true;
} else if (GalleryUtilities::isA($item, 'GalleryUnknownItem')) {
$ItemEditItem['isItemUnknown'] = true;
}
/* Render the HTML body */
$template->setVariable('ItemEditItem', $ItemEditItem);
$template->setVariable('controller', 'core.ItemEditItem');
return array(null,
'modules/core/templates/ItemEditItem.tpl', 'modules_core');
}
/**
* @see ItemEditPlugin::isSupported
*/
function isSupported($item, $thumbnail) {
return (GalleryUtilities::isA($item, 'GalleryItem'));
}
/**
* @see ItemEditPlugin::getTitle
*/
function getTitle() {
list ($ret, $module) = GalleryCoreApi::loadPlugin('module', 'core');
if ($ret) {
return array($ret, null);
}
return array(null, $module->translate('General'));
}
}
?>
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