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<?php
/**
* Elgg lightbox plugin
*
* @package ElggLightbox
*/
elgg_register_event_handler('init', 'system', 'lightbox_init');
/**
* Initialize the lightbox plugin.
*/
function lightbox_init() {
elgg_register_library('elgg:lightbox', elgg_get_plugins_path() . 'lightbox/lib/lightbox.php');
// register group entities for search
elgg_register_entity_type('object', 'image', 'LightboxPluginImage');
elgg_register_entity_type('object', 'album', 'LightboxPluginAlbum');
// Set up the menu
$item = new ElggMenuItem('lightbox', elgg_echo('lightbox'), 'photos/all');
elgg_register_menu_item('site', $item);
// Register a page handler, so we can have nice URLs
elgg_register_page_handler('photos', 'lightbox_page_handler');
// Register URL handlers for groups
elgg_register_entity_url_handler('object', 'image', 'lightbox_url');
elgg_register_entity_url_handler('object', 'album', 'lightbox_url');
elgg_register_plugin_hook_handler('entity:icon:url', 'object', 'lightbox_icon_url_override');
// Register some actions
$action_base = elgg_get_plugins_path() . 'lightbox/actions/lightbox';
elgg_register_action("lightbox/edit", "$action_base/edit.php");
elgg_register_action("lightbox/delete", "$action_base/delete.php");
$action_base .= '/images';
elgg_register_action("lightbox/albums/edit", "$action_base/edit.php");
elgg_register_action("lightbox/albums/delete", "$action_base/delete.php");
// Add some widgets
elgg_register_widget_type('lightbox', elgg_echo('lightbox:widget'), elgg_echo('groups:widgets:description'));
// add group photos tool option
add_group_tool_option('lightbox', elgg_echo('groups:enablelightbox'), true);
elgg_extend_view('groups/tool_latest', 'groups/profile/lightbox_module');
// add link to owner block
elgg_register_plugin_hook_handler('register', 'menu:owner_block', 'lightbox_owner_block_menu');
// photo and album entity menu
elgg_register_plugin_hook_handler('register', 'menu:entity', 'lightbox_entity_menu_setup');
//extend some views
elgg_extend_view('css/elgg', 'lightbox/css');
elgg_extend_view('js/elgg', 'lightbox/js');
// Register vendors libraries
elgg_register_css('jquery.lightbox', 'mod/lightbox/vendors/lightbox/jquery.lightbox-0.5.css');
elgg_register_js('jquery.lightbox', 'mod/lightbox/vendors/lightbox/jquery.lightbox-0.5.min.js');
$album_js = elgg_get_simplecache_url('js', 'lightbox/album');
elgg_register_js('lightbox.album', $album_js);
}
/**
* Dispatches photo and album pages.
* URLs take the form of
* All albums: photos/all
* User's albums: photos/owner/<username>
* Friends' albums: photos/friends/<username>
* View album: photos/album/<guid>/<title>
* View photo: photos/view/<guid>/<title>
* New album: photos/add/<guid>
* Edit album: photos/edit/<guid>
* Group albums: photos/group/<guid>/all
* Download: photos/download/<guid>
*
* Title is ignored
*
* @param array $page
* @return bool
*/
function lightbox_page_handler($page) {
if (!isset($page[0])) {
$page[0] = 'all';
}
$pages_dir = elgg_get_plugins_path() . 'lightbox/pages/lightbox';
$page_type = $page[0];
switch ($page_type) {
case 'owner':
include "$pages_dir/owner.php";
break;
case 'friends':
include "$pages_dir/friends.php";
break;
case 'album':
case 'view':
set_input('guid', $page[1]);
include "$pages_dir/view.php";
break;
case 'add':
include "$pages_dir/new.php";
break;
case 'edit':
set_input('guid', $page[1]);
include "$pages_dir/edit.php";
break;
case 'group':
include "$pages_dir/owner.php";
break;
case 'all':
include "$pages_dir/world.php";
break;
case 'download':
set_input('guid', $page[1]);
include "$pages_dir/download.php";
break;
default:
return false;
}
return true;
}
/**
* Populates the ->getUrl() method for photo and album objects
*
* @param ElggEntity $entity Photo or album entity
* @return string Photo or album URL
*/
function lightbox_url($entity) {
$title = elgg_get_friendly_title($entity->name);
if($entity->getSubtype() == 'album') {
return "photos/album/{$entity->guid}/$title";
} else {
return "photos/view/{$entity->guid}/$title";
}
}
/**
* Override the default entity icon for photos and albums
*
* @return string Relative URL
*/
function lightbox_icon_url_override($hook, $type, $returnvalue, $params) {
$entity = $params['entity'];
$size = $params['size'];
if(in_array($entity->getSubtype(), array('image', 'album'))) {
if (isset($entity->thumbnail) || isset($entity->cover)) {
// return thumbnail
return "mod/lightbox/thumbnail.php?guid=$entity->guid&size=$size";
}
return "mod/lightbox/graphics/default{$size}.jpg";
}
}
/**
* Add a menu item to the user ownerblock
*/
function lightbox_owner_block_menu($hook, $type, $return, $params) {
if (elgg_instanceof($params['entity'], 'user')) {
$url = "photos/owner/{$params['entity']->username}";
$item = new ElggMenuItem('lightbox', elgg_echo('lightbox'), $url);
$return[] = $item;
} else {
if ($params['entity']->lightbox_enable != "no") {
$url = "photos/group/{$params['entity']->guid}/all";
$item = new ElggMenuItem('lightbox', elgg_echo('lightbox:group'), $url);
$return[] = $item;
}
}
return $return;
}
/**
* Add links/info to entity menu particular to group entities
*/
function lightbox_entity_menu_setup($hook, $type, $return, $params) {
return $return;
}
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