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<?php
/**
* Elgg media embed plugin
*
* @package ElggEmbed
*/
elgg_register_event_handler('init', 'system', 'embed_init');
/**
* Init function
*/
function embed_init() {
elgg_extend_view('css/elgg', 'embed/css');
elgg_extend_view('css/admin', 'embed/css');
elgg_register_plugin_hook_handler('register', 'menu:longtext', 'embed_longtext_menu');
elgg_register_plugin_hook_handler('register', 'menu:embed', 'embed_select_tab', 1000);
// Page handler for the modal media embed
elgg_register_page_handler('embed', 'embed_page_handler');
$embed_js = elgg_get_simplecache_url('js', 'embed/embed');
elgg_register_simplecache_view('js/embed/embed');
elgg_register_js('elgg.embed', $embed_js, 'footer');
}
/**
* Add the embed menu item to the long text menu
*
* @param string $hook
* @param string $type
* @param array $items
* @param array $vars
* @return array
*/
function embed_longtext_menu($hook, $type, $items, $vars) {
if (elgg_get_context() == 'embed') {
return $items;
}
$url = 'embed';
$page_owner = elgg_get_page_owner_entity();
if (elgg_instanceof($page_owner, 'group') && $page_owner->isMember()) {
$url = 'embed?container_guid=' . $page_owner->getGUID();
}
$items[] = ElggMenuItem::factory(array(
'name' => 'embed',
'href' => $url,
'text' => elgg_echo('embed:media'),
'rel' => "embed-lightbox-{$vars['id']}",
'link_class' => "elgg-longtext-control elgg-lightbox embed-control embed-control-{$vars['id']}",
'priority' => 10,
));
elgg_load_js('lightbox');
elgg_load_css('lightbox');
elgg_load_js('jquery.form');
elgg_load_js('elgg.embed');
return $items;
}
/**
* Select the correct embed tab for display
*
* @param string $hook
* @param string $type
* @param array $items
* @param array $vars
*/
function embed_select_tab($hook, $type, $items, $vars) {
// can this ba called from page handler instead?
$page = get_input('page');
$tab_name = array_pop(explode('/', $page));
foreach ($items as $item) {
if ($item->getName() == $tab_name) {
$item->setSelected();
elgg_set_config('embed_tab', $item);
}
}
if (!elgg_get_config('embed_tab') && count($items) > 0) {
$items[0]->setSelected();
elgg_set_config('embed_tab', $items[0]);
}
}
/**
* Serves the content for the embed lightbox
*
* @param array $page URL segments
*/
function embed_page_handler($page) {
$container_guid = (int)get_input('container_guid');
if ($container_guid) {
$container = get_entity($container_guid);
if (elgg_instanceof($container, 'group') && $container->isMember()) {
// embedding inside a group so save file to group files
elgg_set_page_owner_guid($container_guid);
}
}
echo elgg_view('embed/layout');
// exit because this is in a modal display.
exit;
}
/**
* A special listing function for selectable content
*
* This calls a custom list view for entities.
*
* @param array $entities Array of ElggEntity objects
* @param array $vars Display parameters
* @return string
*/
function embed_list_items($entities, $vars = array()) {
$defaults = array(
'items' => $entities,
'list_class' => 'elgg-list-entity',
);
$vars = array_merge($defaults, $vars);
return elgg_view('embed/list', $vars);
}
/**
* Set the options for the list of embedable content
*
* @param array $options
* @return array
*/
function embed_get_list_options($options = array()) {
$container_guids = array(elgg_get_logged_in_user_guid());
if (elgg_get_page_owner_guid()) {
$page_owner_guid = elgg_get_page_owner_guid();
if ($page_owner_guid != elgg_get_logged_in_user_guid()) {
$container_guids[] = $page_owner_guid;
}
}
$defaults = array(
'limit' => 6,
'container_guids' => $container_guids,
'item_class' => 'embed-item',
);
$options = array_merge($defaults, $options);
return $options;
}
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