326 lines
9.7 KiB
PHP
326 lines
9.7 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 replicating one or more items from one album to another.
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* @package Replica
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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 ItemCreateReplicaController 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']['link'])) {
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if (empty($form['destination'])) {
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$error[] = 'form[error][destination][empty]';
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}
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if (empty($form['selectedIds'])) {
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$error[] = 'form[error][sources][empty]';
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}
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if (empty($error)) {
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$destinationId = $form['destination'];
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$selectedIds = array_keys($form['selectedIds']);
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/* Make sure we can write to the destination */
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list ($ret, $permissions) = GalleryCoreApi::getPermissions($destinationId);
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if ($ret) {
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return array($ret, null);
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}
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if (!isset($permissions['core.addDataItem'])) {
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return array(GalleryCoreApi::error(ERROR_PERMISSION_DENIED),
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null);
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}
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/* Load the selected items */
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list ($ret, $selectedItems) = GalleryCoreApi::loadEntitiesById($selectedIds);
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if ($ret) {
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return array($ret, null);
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}
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list ($ret, $permissions) = GalleryCoreApi::fetchPermissionsForItems($selectedIds);
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if ($ret) {
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return array($ret, null);
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}
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/* Look out for monkey business */
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foreach ($selectedItems as $selectedItem) {
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if (!isset($permissions[$selectedItem->getId()]['core.viewSource'])) {
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return array(GalleryCoreApi::error(ERROR_PERMISSION_DENIED), null);
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}
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if ($selectedItem->getParentId() != $itemId) {
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return array(GalleryCoreApi::error(ERROR_PERMISSION_DENIED), null);
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}
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if (!$selectedItem->getIsLinkable()) {
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return array(GalleryCoreApi::error(ERROR_PERMISSION_DENIED), null);
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}
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}
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/*
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* Ok we've got linkable items and a legal destination album.
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* Lock everything up and start linkin'. We need to read lock
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* the source ids, source hierarchy and destination hierarchy.
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*/
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$ids = array_merge($selectedIds, array($itemId, $destinationId));
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list ($ret, $locks[]) = GalleryCoreApi::acquireReadLock($ids);
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if ($ret) {
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return array($ret, null);
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}
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list ($ret, $locks[]) = GalleryCoreApi::acquireReadLockParents($itemId);
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if ($ret) {
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GalleryCoreApi::releaseLocks($locks);
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return array($ret, null);
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}
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list ($ret, $locks[]) = GalleryCoreApi::acquireReadLockParents($destinationId);
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if ($ret) {
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GalleryCoreApi::releaseLocks($locks);
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return array($ret, null);
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}
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/* Create all our links */
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$status['linked']['count'] = 0;
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foreach ($selectedItems as $selectedItem) {
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$classType = get_class($selectedItem);
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$linkedItem = new $classType;
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/*
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* If we're linking to an item that's already a link,
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* then link to its source instead.
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*/
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if ($selectedItem->isLinked()) {
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$linkedEntity = $selectedItem->getLinkedEntity();
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$ret = $linkedItem->createLink($linkedEntity, $destinationId);
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} else {
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$ret = $linkedItem->createLink($selectedItem, $destinationId);
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}
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if ($ret) {
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GalleryCoreApi::releaseLocks($locks);
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return array($ret, null);
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}
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$ret = $linkedItem->save();
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if ($ret) {
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GalleryCoreApi::releaseLocks($locks);
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return array($ret, null);
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}
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$ret = GalleryCoreApi::addExistingItemToAlbum($linkedItem, $destinationId);
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if ($ret) {
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GalleryCoreApi::releaseLocks($locks);
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return array($ret, null);
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}
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$status['linked']['count']++;
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}
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/* Release the locks */
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$ret = GalleryCoreApi::releaseLocks($locks);
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if ($ret) {
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return array($ret, null);
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}
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/* Figure out where to redirect upon success */
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$redirect['view'] = 'core.ItemAdmin';
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$redirect['subView'] = 'replica.ItemCreateReplica';
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$redirect['itemId'] = $itemId;
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}
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} else if (isset($form['action']['next'])) {
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$page = GalleryUtilities::getRequestVariables('page');
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list ($ret, $peerIds) =
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GalleryCoreApi::fetchLinkableChildItemIdsWithPermission($itemId, 'core.view');
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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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$results['return'] = 1;
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}
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if (!empty($redirect)) {
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$results['redirect'] = $redirect;
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} else {
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if (empty($results['return'])) {
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$results['delegate']['view'] = 'core.ItemAdmin';
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$results['delegate']['subView'] = 'replica.ItemCreateReplica';
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}
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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, $results);
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}
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}
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/**
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* This view lets you choose where you want to put the new replicas
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*/
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class ItemCreateReplicaView extends GalleryView {
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/**
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* @see GalleryView::loadTemplate
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*/
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function loadTemplate(&$template, &$form) {
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global $gallery;
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list ($itemId, $selectedId, $page) =
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GalleryUtilities::getRequestVariables('itemId', 'selectedId', 'page');
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if ($form['formName'] != 'ItemCreateReplica') {
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/* First time around, load the form with item data */
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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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$form['formName'] = 'ItemCreateReplica';
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$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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/* Get all peers that we can link */
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list ($ret, $peerIds) = GalleryCoreApi::fetchLinkableChildItemIdsWithPermission(
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$item->getId(), 'core.viewSource');
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if ($ret) {
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return array($ret, null);
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}
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$peers = $peerTypes = $peerDescendentCounts = $selectedIds = $albums = array();
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$numPages = 1;
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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[$peerId]);
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}
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}
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}
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/* Load all the peers */
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list ($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 */
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list ($ret, $thumbnails) = GalleryCoreApi::fetchThumbnailsByItemIds($peerIds);
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if ($ret) {
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return array($ret, null);
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}
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/* Build our peers table */
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$peers = array();
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foreach ($peerItems as $peerItem) {
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$peers[$peerItem->getId()] = (array)$peerItem;
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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 the thumbnails */
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if (isset($thumbnails[$peerItem->getId()])) {
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$thumbnail = $thumbnails[$peerItem->getId()];
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list ($ret, $thumbnail) =
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GalleryCoreApi::rebuildDerivativeCacheIfNotCurrent($thumbnail->getId());
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$peers[$peerItem->getId()]['thumbnail'] = (array)$thumbnail;
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}
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}
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/* Find all the possible locations where this item can be linked. */
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list ($ret, $ids) =
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GalleryCoreApi::fetchAllItemIds('GalleryAlbumItem', 'core.addDataItem');
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if ($ret) {
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return array($ret, null);
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}
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/* Load all the album entities */
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list ($ret, $albums) = GalleryCoreApi::loadEntitiesById($ids);
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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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$urlGenerator =& $gallery->getUrlGenerator();
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$ItemCreateReplica = array();
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$ItemCreateReplica['canCancel'] = $urlGenerator->isNavigationBackPossible();
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$ItemCreateReplica['peers'] = $peers;
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$ItemCreateReplica['albumTree'] = GalleryUtilities::createAlbumTree($albums);
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$ItemCreateReplica['page'] = $page;
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$ItemCreateReplica['numPages'] = $numPages;
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$ItemCreateReplica['numPerPage'] = $form['numPerPage'];
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$ItemCreateReplica['selectedIds'] = array_keys($selectedIds);
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$template->setVariable('ItemCreateReplica', $ItemCreateReplica);
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$template->setVariable('controller', 'replica.ItemCreateReplica');
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return array(null,
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array('body' => 'modules/replica/templates/ItemCreateReplica.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, $module) = GalleryCoreApi::loadPlugin('module', 'replica');
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if ($ret) {
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return array($ret, null);
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}
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return array(null, $module->translate('create replica'));
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}
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}
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?>
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