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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.
*/
/**
* @package GalleryCore
* @author Bharat Mediratta <bharat@menalto.com>
* @version $Revision: 15513 $
*/
class CoreCallbacks {
function callback($params, &$smarty, $callback, $userId=null) {
global $gallery;
$block =& $smarty->_tpl_vars['block'];
$theme =& $smarty->_tpl_vars['theme'];
switch($callback) {
case 'LoadLanguageSelector':
$languageList = array();
$translator =& $gallery->getTranslator();
$supportedLanguages = $translator->getSupportedLanguages();
foreach ($supportedLanguages as $language => $countryList) {
foreach ($countryList as $country => $languageData) {
$languageList[$language . '_' . $country] = $languageData['description'];
}
}
list ($ret, $language) = $gallery->getActiveLanguageCode();
if ($ret) {
return $ret;
}
$block['core']['LanguageSelector'] =
array('list' => $languageList, 'language' => $language);
return null;
case 'ShouldShowEmergencyEditItemLink':
$check = isset($params['checkBlocks']) ? $params['checkBlocks'] : '';
/**
* @todo Remove support for check[Sidebar|Album|Photo]Blocks on next major api bump
*/
foreach (array('checkSidebarBlocks' => 'sidebar',
'checkAlbumBlocks' => 'album',
'checkPhotoBlocks' => 'photo') as $oldParam => $key) {
if (!empty($params[$oldParam])) {
$check .= empty($check) ? $key : ",$key";
}
}
$block['core']['ShouldShowEmergencyEditItemLink'] = false;
if (isset($params['permissions']['core_edit'])) {
$block['core']['ShouldShowEmergencyEditItemLink'] = true;
foreach (explode(',', $check) as $key) {
foreach ($theme['params'][$key . 'Blocks'] as $entry) {
if ($entry[0] == 'core.ItemLinks') {
$block['core']['ShouldShowEmergencyEditItemLink'] = false;
break 2;
}
}
}
}
return null;
case 'LoadPeers':
$item = $params['item'];
if (isset($item['parent']->getChildrenFunction)) {
$parent = $item['parent'];
list ($ret, $peerIds) = call_user_func($parent->getChildrenFunction, $userId);
if ($ret) {
return $ret;
}
} else if ($item['parentId'] > 0) {
list ($ret, $canViewParent) =
GalleryCoreApi::hasItemPermission($item['parentId'], 'core.view', $userId);
if ($ret) {
return $ret;
}
if ($canViewParent) {
list ($ret, $parent) = GalleryCoreApi::loadEntitiesById($item['parentId']);
if ($ret) {
return $ret;
}
list ($ret, $peerIds) =
GalleryCoreApi::fetchChildItemIds($parent, null, null, $userId);
if ($ret) {
return $ret;
}
}
}
if (!empty($peerIds)) {
foreach ($peerIds as $i => $id) {
if ($id == $item['id']) {
$peerItemIndex = $i;
break;
}
}
}
if (isset($peerItemIndex)) {
$windowSize = isset($params['windowSize']) ? ($params['windowSize'] - 1) : 6;
$addEnds = isset($params['addEnds']) ? $params['addEnds'] : true;
$peerLast = count($peerIds) - 1;
$peerNeighborStart = max($peerItemIndex - (int)($windowSize/2), 0);
$peerNeighborEnd = min($peerItemIndex + (int)(($windowSize+1)/2), $peerLast);
/* If the window is pinned to one end, expand it to the entire windowSize */
if ($peerNeighborStart == 0) {
$peerNeighborEnd = min($peerLast, $windowSize);
} else if ($peerNeighborEnd == $peerLast) {
$peerNeighborStart = max($peerLast - $windowSize, 0);
}
if ($peerNeighborStart > 0 && $addEnds) {
$peerMap[0] = $peerIds[0];
}
for ($i = $peerNeighborStart; $i <= $peerNeighborEnd; $i++) {
$peerMap[$i] = $peerIds[$i];
}
if ($peerNeighborEnd < $peerLast && $addEnds) {
$peerMap[$peerLast] = $peerIds[$peerLast];
}
list ($ret, $peerItems) = GalleryCoreApi::loadEntitiesById($peerMap);
if ($ret) {
return $ret;
}
if (!empty($params['loadThumbnails'])) {
list ($ret, $thumbTable) = GalleryCoreApi::fetchThumbnailsByItemIds($peerMap);
if ($ret) {
return $ret;
}
}
$j = 0;
foreach ($peerMap as $i => $id) {
$peer = (array)$peerItems[$j++];
$peer['peerIndex'] = $i + 1;
if (isset($thumbTable[$id])) {
$peer['thumbnail'] = (array)$thumbTable[$id];
}
$peers[] = $peer;
}
$block['core']['LoadPeers'] = array('peers' => $peers,
'peerCount' => count($peerIds), 'thisPeerIndex' => $peerItemIndex + 1,
'parent' => (array)$parent);
} else {
$block['core']['LoadPeers'] =
array('peers' => array(), 'peerCount' => 0);
}
return null;
case 'LoadValidationPlugins':
if (!empty($params['level'])) {
$options['level'] = $params['level'];
} else {
list ($ret, $options['level']) =
GalleryCoreApi::getPluginParameter('module', 'core', 'validation.level');
if ($ret) {
return $ret;
}
}
if ($options['level'] == 'MEDIUM' && !empty($params['key'])) {
$options['key'] = $params['key'];
}
if ($options['level'] == 'OFF') {
$allPluginIds = array();
} else {
list ($ret, $allPluginIds) =
GalleryCoreApi::getAllFactoryImplementationIds('GalleryValidationPlugin');
if ($ret) {
return $ret;
}
}
/* Let each plugin load its template data */
$block['core']['ValidationPlugins'] = array();
foreach (array_keys($allPluginIds) as $pluginId) {
list ($ret, $plugin) =
GalleryCoreApi::newFactoryInstanceById('GalleryValidationPlugin', $pluginId);
if ($ret) {
return $ret;
}
list ($ret, $data['file'], $data['l10Domain']) =
$plugin->loadTemplate($smarty->_tpl_vars['form'], $options);
if ($ret) {
return $ret;
}
if (isset($data['file'])) {
$block['core']['ValidationPlugins'][] = $data;
}
}
return null;
}
return GalleryCoreApi::error(ERROR_BAD_PARAMETER);
}
}
?>
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