296 lines
8.9 KiB
PHP
296 lines
8.9 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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* This controller will handle the deletion of items
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* @package GalleryCore
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* @subpackage UserInterface
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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 ItemDeleteController extends GalleryController {
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/**
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* @see GalleryController::handleRequest
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*/
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function handleRequest($form) {
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global $gallery;
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$itemId = GalleryUtilities::getRequestVariables('itemId');
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$status = $error = array();
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if (isset($form['action']['delete'])) {
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$status['deleted']['count'] = 0;
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if (!empty($form['selectedIds'])) {
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$selectedIds = array_keys($form['selectedIds']);
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/* get the rootId, so we don't try to delete it */
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list ($ret, $rootId) =
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GalleryCoreApi::getPluginParameter('module', 'core', 'id.rootAlbum');
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if ($ret) {
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return array($ret, null);
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}
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$ret = GalleryCoreApi::studyPermissions($selectedIds);
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if ($ret) {
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return array($ret, null);
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}
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foreach ($selectedIds as $selectedId) {
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/* Make sure we have permission to delete this item */
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list ($ret, $permissions) = GalleryCoreApi::getPermissions($selectedId);
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if ($ret) {
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return array($ret, null);
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}
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if ( !isset($permissions['core.delete'])) {
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return array(
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GalleryCoreApi::error(ERROR_PERMISSION_DENIED, __FILE__, __LINE__,
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"Don't have permission to delete this item"), null);
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}
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/* Make sure we're not deleting the root album */
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if ($selectedId == $rootId) {
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return array(GalleryCoreApi::error(ERROR_BAD_PARAMETER, __FILE__, __LINE__,
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"Can't delete the root album"), null);
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}
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}
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/* if we're still here then all are deletable */
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$storage =& $gallery->getStorage();
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foreach ($selectedIds as $selectedId) {
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$ret = GalleryCoreApi::deleteEntityById($selectedId);
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if ($ret) {
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return array($ret, null);
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}
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if (!(++$status['deleted']['count'] % 20)) {
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$ret = $storage->checkPoint();
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if ($ret) {
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return array($ret, null);
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}
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}
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}
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list ($ret, $success) = GalleryCoreApi::guaranteeAlbumHasThumbnail($itemId);
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if ($ret) {
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return array($ret, null);
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}
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/* What do we do if we weren't successful? No thumbnail, I guess */
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}
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/*
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* Figure out where to redirect upon success.
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* Can't use return url because it may be for an item we just deleted, but
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* check for g2_page param and include that if found (matrix theme specific..)
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*/
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$results['redirect'] = array('view' => 'core.ShowItem',
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'itemId' => $itemId);
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$urlGenerator =& $gallery->getUrlGenerator();
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list ($ret, $links) = $urlGenerator->getNavigationLinks(1);
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if ($ret) {
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return array($ret, null);
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}
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if (count($links) > 0 &&
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preg_match('{' . GalleryUtilities::prefixFormVariable('page') . '=(\d+)}',
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$links[0]['url'], $match)) {
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$results['redirect']['page'] = $match[1];
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}
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} else if (isset($form['action']['next'])) {
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$page = GalleryUtilities::getRequestVariables('page');
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list ($ret, $peerIds) =
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GalleryCoreApi::fetchChildItemIdsWithPermission($itemId, 'core.delete');
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if ($ret) {
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return array($ret, null);
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}
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$numPages = ceil(sizeof($peerIds) / $form['numPerPage']);
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$results['delegate']['itemId'] = $itemId;
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$results['delegate']['page'] = min($page + 1, $numPages);
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} else if (isset($form['action']['previous'])) {
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$page = GalleryUtilities::getRequestVariables('page');
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$results['delegate']['itemId'] = $itemId;
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$results['delegate']['page'] = max($page - 1, 1);
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} else if (isset($form['action']['cancel'])) {
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$results['return'] = 1;
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}
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if (!empty($results['delegate'])) {
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$results['delegate']['view'] = 'core.ItemAdmin';
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$results['delegate']['subView'] = 'core.ItemDelete';
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}
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$results['status'] = $status;
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$results['error'] = $error;
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return array(null, $results);
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}
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}
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/**
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* This view will prompt for selecting items to delete
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*/
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class ItemDeleteView extends GalleryView {
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/**
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* @see GalleryView::loadTemplate
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*/
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function loadTemplate(&$template, &$form) {
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global $gallery;
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$variables = GalleryUtilities::getRequestVariables('itemId', 'selectedId', 'page');
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foreach ($variables as $key => $value) {
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$variables[$key] = is_numeric($value) ? (int) $value : null;
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}
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list ($itemId, $selectedId, $page) = $variables;
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if ($form['formName'] != 'ItemDelete') {
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if ($selectedId) {
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$form['selectedIds'][$selectedId] = true;
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}
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$form['destination'] = '';
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$form['formName'] = 'ItemDelete';
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$form['numPerPage'] = 15;
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}
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list ($ret, $item) = GalleryCoreApi::loadEntitiesById($itemId);
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if ($ret) {
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return array($ret, null);
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}
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list ($ret, $peerIds) =
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GalleryCoreApi::fetchChildItemIdsWithPermission($itemId, 'core.delete');
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if ($ret) {
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return array($ret, null);
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}
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$peers = array();
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$peerTypes = array();
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$peerDescendentCounts = array();
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$numPages = 1;
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$selectedIds = array();
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if (!empty($peerIds)) {
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$numPages = ceil(sizeof($peerIds) / $form['numPerPage']);
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if (empty($page)) {
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/* determine which page we're on */
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$page = 1;
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for ($i = 0; $i < sizeof($peerIds); $i++) {
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if ($peerIds[$i] == $selectedId) {
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$page = ceil(($i + 1) / $form['numPerPage']);
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}
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}
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}
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$start = $form['numPerPage'] * ($page - 1);
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$peerIds = array_slice($peerIds, $start, $form['numPerPage']);
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if (isset($form['selectedIds'])) {
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$selectedIds = $form['selectedIds'];
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foreach ($peerIds as $peerId) {
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if (isset($selectedIds[$peerId])) {
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unset($selectedIds[$peerId]);
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}
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}
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}
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/* load peers */
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list ($ret, $peerItems) = GalleryCoreApi::loadEntitiesById($peerIds);
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if ($ret) {
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return array($ret, null);
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}
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/* get peer thumbnails and resizes */
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list ($ret, $derivatives) = GalleryCoreApi::fetchDerivativesByItemIds($peerIds);
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if ($ret) {
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return array($ret, null);
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}
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/* build peers table */
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foreach ($peerItems as $peerItem) {
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$peers[$peerItem->getId()] = (array)$peerItem;
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if (GalleryUtilities::isA($peerItem, 'GalleryAlbumItem')) {
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$peerTypes['album'][$peerItem->getId()] = 1;
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} else {
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$peerTypes['data'][$peerItem->getId()] = 1;
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}
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$peers[$peerItem->getId()]['selected'] =
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isset($form['selectedIds'][$peerItem->getId()]);
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/* While we're at it, attach thumbnails and resizes */
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if (isset($derivatives[$peerItem->getId()])) {
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foreach ($derivatives[$peerItem->getId()] as $derivative) {
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$type = $derivative->getDerivativeType();
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if (empty($peers[$peerItem->getId()]['resize']) &&
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$type == DERIVATIVE_TYPE_IMAGE_RESIZE) {
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$peers[$peerItem->getId()]['resize'] = (array)$derivative;
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} else if ($type == DERIVATIVE_TYPE_IMAGE_THUMBNAIL) {
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$peers[$peerItem->getId()]['thumbnail'] = (array)$derivative;
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}
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}
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}
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}
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/* Get child counts */
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if (isset($peerTypes['album'])) {
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list ($ret, $peerDescendentCounts) =
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GalleryCoreApi::fetchDescendentCounts(array_keys($peerTypes['album']));
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if ($ret) {
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return array($ret, null);
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}
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}
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}
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$urlGenerator =& $gallery->getUrlGenerator();
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$ItemDelete = array();
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$ItemDelete['canCancel'] = $urlGenerator->isNavigationBackPossible();
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$ItemDelete['peers'] = $peers;
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$ItemDelete['peerTypes'] = $peerTypes;
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$ItemDelete['peerDescendentCounts'] = $peerDescendentCounts;
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$ItemDelete['page'] = $page;
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$ItemDelete['numPages'] = $numPages;
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$ItemDelete['numPerPage'] = $form['numPerPage'];
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$ItemDelete['selectedIds'] = array_keys($selectedIds);
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$ItemDelete['selectedIdCount'] = count($selectedIds);
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$template->setVariable('ItemDelete', $ItemDelete);
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$template->setVariable('controller', 'core.ItemDelete');
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$template->javascript('lib/yui/yahoo-min.js');
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$template->javascript('lib/yui/dom-min.js');
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$template->javascript('lib/yui/event-min.js');
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$template->javascript('lib/yui/container-min.js');
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return array(null, array('body' => 'modules/core/templates/ItemDelete.tpl'));
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}
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/**
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* @see GalleryView::getViewDescription
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*/
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function getViewDescription() {
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list ($ret, $core) = GalleryCoreApi::loadPlugin('module', 'core');
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if ($ret) {
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return array($ret, null);
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}
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return array(null, $core->translate('delete an item'));
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}
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}
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?>
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