diff options
Diffstat (limited to 'mod/file/start.php')
-rw-r--r-- | mod/file/start.php | 416 |
1 files changed, 416 insertions, 0 deletions
diff --git a/mod/file/start.php b/mod/file/start.php new file mode 100644 index 000000000..7c0c216b2 --- /dev/null +++ b/mod/file/start.php @@ -0,0 +1,416 @@ +<?php +/** + * Elgg file plugin + * + * @package ElggFile + */ + +elgg_register_event_handler('init', 'system', 'file_init'); + +/** + * File plugin initialization functions. + */ +function file_init() { + + // register a library of helper functions + elgg_register_library('elgg:file', elgg_get_plugins_path() . 'file/lib/file.php'); + + // Site navigation + $item = new ElggMenuItem('file', elgg_echo('file'), 'file/all'); + elgg_register_menu_item('site', $item); + + // Extend CSS + elgg_extend_view('css/elgg', 'file/css'); + + // add enclosure to rss item + elgg_extend_view('extensions/item', 'file/enclosure'); + + // extend group main page + elgg_extend_view('groups/tool_latest', 'file/group_module'); + + // Register a page handler, so we can have nice URLs + elgg_register_page_handler('file', 'file_page_handler'); + + // Add a new file widget + elgg_register_widget_type('filerepo', elgg_echo("file"), elgg_echo("file:widget:description")); + + // Register URL handlers for files + elgg_register_entity_url_handler('object', 'file', 'file_url_override'); + elgg_register_plugin_hook_handler('entity:icon:url', 'object', 'file_icon_url_override'); + + // Register granular notification for this object type + register_notification_object('object', 'file', elgg_echo('file:newupload')); + + // Listen to notification events and supply a more useful message + elgg_register_plugin_hook_handler('notify:entity:message', 'object', 'file_notify_message'); + + // add the group files tool option + add_group_tool_option('file', elgg_echo('groups:enablefiles'), true); + + // Register entity type for search + elgg_register_entity_type('object', 'file'); + + // add a file link to owner blocks + elgg_register_plugin_hook_handler('register', 'menu:owner_block', 'file_owner_block_menu'); + + // Register actions + $action_path = elgg_get_plugins_path() . 'file/actions/file'; + elgg_register_action("file/upload", "$action_path/upload.php"); + elgg_register_action("file/delete", "$action_path/delete.php"); + // temporary - see #2010 + elgg_register_action("file/download", "$action_path/download.php"); + + // embed support + $item = ElggMenuItem::factory(array( + 'name' => 'file', + 'text' => elgg_echo('file'), + 'priority' => 10, + 'data' => array( + 'options' => array( + 'type' => 'object', + 'subtype' => 'file', + ), + ), + )); + elgg_register_menu_item('embed', $item); + + $item = ElggMenuItem::factory(array( + 'name' => 'file_upload', + 'text' => elgg_echo('file:upload'), + 'priority' => 100, + 'data' => array( + 'view' => 'embed/file_upload/content', + ), + )); + + elgg_register_menu_item('embed', $item); +} + +/** + * Dispatches file pages. + * URLs take the form of + * All files: file/all + * User's files: file/owner/<username> + * Friends' files: file/friends/<username> + * View file: file/view/<guid>/<title> + * New file: file/add/<guid> + * Edit file: file/edit/<guid> + * Group files: file/group/<guid>/all + * Download: file/download/<guid> + * + * Title is ignored + * + * @param array $page + * @return bool + */ +function file_page_handler($page) { + + if (!isset($page[0])) { + $page[0] = 'all'; + } + + $file_dir = elgg_get_plugins_path() . 'file/pages/file'; + + $page_type = $page[0]; + switch ($page_type) { + case 'owner': + file_register_toggle(); + include "$file_dir/owner.php"; + break; + case 'friends': + file_register_toggle(); + include "$file_dir/friends.php"; + break; + case 'read': // Elgg 1.7 compatibility + register_error(elgg_echo("changebookmark")); + forward("file/view/{$page[1]}"); + break; + case 'view': + set_input('guid', $page[1]); + include "$file_dir/view.php"; + break; + case 'add': + include "$file_dir/upload.php"; + break; + case 'edit': + set_input('guid', $page[1]); + include "$file_dir/edit.php"; + break; + case 'search': + file_register_toggle(); + include "$file_dir/search.php"; + break; + case 'group': + file_register_toggle(); + include "$file_dir/owner.php"; + break; + case 'all': + file_register_toggle(); + include "$file_dir/world.php"; + break; + case 'download': + set_input('guid', $page[1]); + include "$file_dir/download.php"; + break; + default: + return false; + } + return true; +} + +/** + * Adds a toggle to extra menu for switching between list and gallery views + */ +function file_register_toggle() { + $url = elgg_http_remove_url_query_element(current_page_url(), 'list_type'); + + if (get_input('list_type', 'list') == 'list') { + $list_type = "gallery"; + $icon = elgg_view_icon('grid'); + } else { + $list_type = "list"; + $icon = elgg_view_icon('list'); + } + + if (substr_count($url, '?')) { + $url .= "&list_type=" . $list_type; + } else { + $url .= "?list_type=" . $list_type; + } + + + elgg_register_menu_item('extras', array( + 'name' => 'file_list', + 'text' => $icon, + 'href' => $url, + 'title' => elgg_echo("file:list:$list_type"), + 'priority' => 1000, + )); +} + +/** + * Creates the notification message body + * + * @param string $hook + * @param string $entity_type + * @param string $returnvalue + * @param array $params + */ +function file_notify_message($hook, $entity_type, $returnvalue, $params) { + $entity = $params['entity']; + $to_entity = $params['to_entity']; + $method = $params['method']; + if (($entity instanceof ElggEntity) && ($entity->getSubtype() == 'file')) { + $descr = $entity->description; + $title = $entity->title; + $url = elgg_get_site_url() . "view/" . $entity->guid; + $owner = $entity->getOwnerEntity(); + return $owner->name . ' ' . elgg_echo("file:via") . ': ' . $entity->title . "\n\n" . $descr . "\n\n" . $entity->getURL(); + } + return null; +} + +/** + * Add a menu item to the user ownerblock + */ +function file_owner_block_menu($hook, $type, $return, $params) { + if (elgg_instanceof($params['entity'], 'user')) { + $url = "file/owner/{$params['entity']->username}"; + $item = new ElggMenuItem('file', elgg_echo('file'), $url); + $return[] = $item; + } else { + if ($params['entity']->file_enable != "no") { + $url = "file/group/{$params['entity']->guid}/all"; + $item = new ElggMenuItem('file', elgg_echo('file:group'), $url); + $return[] = $item; + } + } + + return $return; +} + +/** + * Returns an overall file type from the mimetype + * + * @param string $mimetype The MIME type + * @return string The overall type + */ +function file_get_simple_type($mimetype) { + + if ($simpletype = elgg_trigger_plugin_hook('file:simpletype', $mimetype, null, null)) { + return $simpletype; + } + + switch ($mimetype) { + case "application/msword": + case "application/vnd.openxmlformats-officedocument.wordprocessingml.document": + return "document"; + break; + case "application/pdf": + return "document"; + break; + case "application/ogg": + return "audio"; + break; + } + + if (substr_count($mimetype, 'text/')) { + return "document"; + } + + if (substr_count($mimetype, 'audio/')) { + return "audio"; + } + + if (substr_count($mimetype, 'image/')) { + return "image"; + } + + if (substr_count($mimetype, 'video/')) { + return "video"; + } + + if (substr_count($mimetype, 'opendocument')) { + return "document"; + } + + return "general"; +} + +// deprecated and will be removed +function get_general_file_type($mimetype) { + elgg_deprecated_notice('Use file_get_simple_type() instead of get_general_file_type()', 1.8); + return file_get_simple_type($mimetype); +} + +/** + * Returns a list of filetypes + * + * @param int $container_guid The GUID of the container of the files + * @param bool $friends Whether we're looking at the container or the container's friends + * @return string The typecloud + */ +function file_get_type_cloud($container_guid = "", $friends = false) { + + $container_guids = $container_guid; + + if ($friends) { + // tags interface does not support pulling tags on friends' content so + // we need to grab all friends + $friend_entities = get_user_friends($container_guid, "", 999999, 0); + if ($friend_entities) { + $friend_guids = array(); + foreach ($friend_entities as $friend) { + $friend_guids[] = $friend->getGUID(); + } + } + $container_guids = $friend_guids; + } + + elgg_register_tag_metadata_name('simpletype'); + $options = array( + 'type' => 'object', + 'subtype' => 'file', + 'container_guids' => $container_guids, + 'threshold' => 0, + 'limit' => 10, + 'tag_names' => array('simpletype') + ); + $types = elgg_get_tags($options); + + $params = array( + 'friends' => $friends, + 'types' => $types, + ); + + return elgg_view('file/typecloud', $params); +} + +function get_filetype_cloud($owner_guid = "", $friends = false) { + elgg_deprecated_notice('Use file_get_type_cloud instead of get_filetype_cloud', 1.8); + return file_get_type_cloud($owner_guid, $friends); +} + +/** + * Populates the ->getUrl() method for file objects + * + * @param ElggEntity $entity File entity + * @return string File URL + */ +function file_url_override($entity) { + $title = $entity->title; + $title = elgg_get_friendly_title($title); + return "file/view/" . $entity->getGUID() . "/" . $title; +} + +/** + * Override the default entity icon for files + * + * Plugins can override or extend the icons using the plugin hook: 'file:icon:url', 'override' + * + * @return string Relative URL + */ +function file_icon_url_override($hook, $type, $returnvalue, $params) { + $file = $params['entity']; + $size = $params['size']; + if (elgg_instanceof($file, 'object', 'file')) { + + // thumbnails get first priority + if ($file->thumbnail) { + $ts = (int)$file->icontime; + return "mod/file/thumbnail.php?file_guid=$file->guid&size=$size&icontime=$ts"; + } + + $mapping = array( + 'application/excel' => 'excel', + 'application/msword' => 'word', + 'application/ogg' => 'music', + 'application/pdf' => 'pdf', + 'application/powerpoint' => 'ppt', + 'application/vnd.ms-excel' => 'excel', + 'application/vnd.ms-powerpoint' => 'ppt', + 'application/vnd.oasis.opendocument.text' => 'openoffice', + 'application/vnd.openxmlformats-officedocument.wordprocessingml.document' => 'word', + 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet' => 'excel', + 'application/vnd.openxmlformats-officedocument.presentationml.presentation' => 'ppt', + 'application/x-gzip' => 'archive', + 'application/x-rar-compressed' => 'archive', + 'application/x-stuffit' => 'archive', + 'application/zip' => 'archive', + + 'text/directory' => 'vcard', + 'text/v-card' => 'vcard', + + 'application' => 'application', + 'audio' => 'music', + 'text' => 'text', + 'video' => 'video', + ); + + $mime = $file->mimetype; + if ($mime) { + $base_type = substr($mime, 0, strpos($mime, '/')); + } else { + $mime = 'none'; + $base_type = 'none'; + } + + if (isset($mapping[$mime])) { + $type = $mapping[$mime]; + } elseif (isset($mapping[$base_type])) { + $type = $mapping[$base_type]; + } else { + $type = 'general'; + } + + if ($size == 'large') { + $ext = '_lrg'; + } else { + $ext = ''; + } + + $url = "mod/file/graphics/icons/{$type}{$ext}.gif"; + $url = elgg_trigger_plugin_hook('file:icon:url', 'override', $params, $url); + return $url; + } +} |