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<?php
/**
* Elgg blog plugin
*
* @package ElggBlog
* @license http://www.gnu.org/licenses/old-licenses/gpl-2.0.html GNU Public License version 2
* @author Curverider Ltd <info@elgg.com>
* @copyright Curverider Ltd 2008-2010
* @link http://elgg.com/
*/
/**
* Blog initialisation
*
* These parameters are required for the event API, but we won't use them:
*
* @param unknown_type $event
* @param unknown_type $object_type
* @param unknown_type $object
*/
function blog_init() {
// Load system configuration
global $CONFIG;
// Set up menu for logged in users
if (isloggedin()) {
add_menu(elgg_echo('blogs'), $CONFIG->wwwroot . "pg/blog/" . $_SESSION['user']->username);
// And for logged out users
} else {
add_menu(elgg_echo('blogs'), $CONFIG->wwwroot . "mod/blog/everyone.php");
}
// Extend system CSS with our own styles, which are defined in the blog/css view
elgg_extend_view('css','blog/css');
// Extend hover-over menu
elgg_extend_view('profile/menu/links','blog/menu');
// Register a page handler, so we can have nice URLs
register_page_handler('blog','blog_page_handler');
// Register a URL handler for blog posts
register_entity_url_handler('blog_url','object','blog');
// Register this plugin's object for sending pingbacks
register_plugin_hook('pingback:object:subtypes', 'object', 'blog_pingback_subtypes');
// Register granular notification for this type
if (is_callable('register_notification_object'))
register_notification_object('object', 'blog', elgg_echo('blog:newpost'));
// Listen to notification events and supply a more useful message
register_plugin_hook('notify:entity:message', 'object', 'blog_notify_message');
// Listen for new pingbacks
register_elgg_event_handler('create', 'object', 'blog_incoming_ping');
// Register entity type
register_entity_type('object','blog');
// Register an annotation handler for comments etc
register_plugin_hook('entity:annotate', 'object', 'blog_annotate_comments');
// Add group menu option
add_group_tool_option('blog',elgg_echo('blog:enableblog'),true);
}
function blog_pagesetup() {
global $CONFIG;
//add submenu options
if (get_context() == "blog") {
$page_owner = page_owner_entity();
if ((page_owner() == $_SESSION['guid'] || !page_owner()) && isloggedin()) {
add_submenu_item(elgg_echo('blog:your'),$CONFIG->wwwroot."pg/blog/" . $_SESSION['user']->username);
add_submenu_item(elgg_echo('blog:friends'),$CONFIG->wwwroot."pg/blog/" . $_SESSION['user']->username . "/friends/");
add_submenu_item(elgg_echo('blog:everyone'),$CONFIG->wwwroot."mod/blog/everyone.php");
} else if (page_owner()) {
add_submenu_item(sprintf(elgg_echo('blog:user'),$page_owner->name),$CONFIG->wwwroot."pg/blog/" . $page_owner->username);
if ($page_owner instanceof ElggUser) { // Sorry groups, this isn't for you.
add_submenu_item(sprintf(elgg_echo('blog:user:friends'),$page_owner->name),$CONFIG->wwwroot."pg/blog/" . $page_owner->username . "/friends/");
}
add_submenu_item(elgg_echo('blog:everyone'),$CONFIG->wwwroot."mod/blog/everyone.php");
} else {
add_submenu_item(elgg_echo('blog:everyone'),$CONFIG->wwwroot."mod/blog/everyone.php");
}
if (can_write_to_container(0, page_owner()) && isloggedin())
add_submenu_item(elgg_echo('blog:addpost'),$CONFIG->wwwroot."pg/blog/{$page_owner->username}/new/");
if (!defined('everyoneblog') && page_owner()) {
if ($dates = get_entity_dates('object','blog',page_owner())) {
foreach($dates as $date) {
$timestamplow = mktime(0,0,0,substr($date,4,2),1,substr($date,0,4));
$timestamphigh = mktime(0,0,0,((int) substr($date,4,2)) + 1,1,substr($date,0,4));
if (!isset($page_owner)) $page_owner = page_owner_entity();
$link = $CONFIG->wwwroot . 'pg/blog/' . $page_owner->username . '/archive/' . $timestamplow . '/' . $timestamphigh;
add_submenu_item(sprintf(elgg_echo('date:month:'.substr($date,4,2)),substr($date,0,4)),$link,'filter');
}
}
}
}
// Group submenu
$page_owner = page_owner_entity();
if ($page_owner instanceof ElggGroup && get_context() == 'groups') {
if($page_owner->blog_enable != "no"){
add_submenu_item(sprintf(elgg_echo("blog:group"),$page_owner->name), $CONFIG->wwwroot . "pg/blog/" . $page_owner->username );
}
}
}
/**
* Blog page handler; allows the use of fancy URLs
*
* @param array $page From the page_handler function
* @return true|false Depending on success
*/
function blog_page_handler($page) {
// The first component of a blog URL is the username
if (isset($page[0])) {
set_input('username',$page[0]);
}
// In case we have further input
if (isset($page[2])) {
set_input('param2',$page[2]);
}
// In case we have further input
if (isset($page[3])) {
set_input('param3',$page[3]);
}
// The second part dictates what we're doing
if (isset($page[1])) {
switch($page[1]) {
case "read": set_input('blogpost',$page[2]);
include(dirname(__FILE__) . "/read.php"); return true;
break;
case "archive": include(dirname(__FILE__) . "/archive.php"); return true;
break;
case "friends": include(dirname(__FILE__) . "/friends.php"); return true;
break;
case "new": include(dirname(__FILE__) . "/add.php"); return true;
break;
}
// If the URL is just 'blog/username', or just 'blog/', load the standard blog index
} else {
include(dirname(__FILE__) . "/index.php");
return true;
}
return false;
}
/**
* Hook into the framework and provide comments on blog entities.
*
* @param unknown_type $hook
* @param unknown_type $entity_type
* @param unknown_type $returnvalue
* @param unknown_type $params
* @return unknown
*/
function blog_annotate_comments($hook, $entity_type, $returnvalue, $params)
{
$entity = $params['entity'];
$full = $params['full'];
if (
($entity instanceof ElggEntity) && // Is the right type
($entity->getSubtype() == 'blog') && // Is the right subtype
($entity->comments_on!='Off') && // Comments are enabled
($full) // This is the full view
)
{
// Display comments
return elgg_view_comments($entity);
}
}
/**
* Returns a more meaningful message
*
* @param unknown_type $hook
* @param unknown_type $entity_type
* @param unknown_type $returnvalue
* @param unknown_type $params
*/
function blog_notify_message($hook, $entity_type, $returnvalue, $params)
{
$entity = $params['entity'];
$to_entity = $params['to_entity'];
$method = $params['method'];
if (($entity instanceof ElggEntity) && ($entity->getSubtype() == 'blog'))
{
$descr = $entity->description;
$title = $entity->title;
if ($method == 'sms') {
$owner = $entity->getOwnerEntity();
return $owner->name . ' via blog: ' . $title;
}
if ($method == 'email') {
$owner = $entity->getOwnerEntity();
return $owner->name . ' via blog: ' . $title . "\n\n" . $descr . "\n\n" . $entity->getURL();
}
}
return null;
}
/**
* Populates the ->getUrl() method for blog objects
*
* @param ElggEntity $blogpost Blog post entity
* @return string Blog post URL
*/
function blog_url($blogpost) {
global $CONFIG;
$title = $blogpost->title;
$title = friendly_title($title);
return $CONFIG->url . "pg/blog/" . $blogpost->getOwnerEntity()->username . "/read/" . $blogpost->getGUID() . "/" . $title;
}
/**
* This function adds 'blog' to the list of objects which will be looked for pingback urls.
*
* @param unknown_type $hook
* @param unknown_type $entity_type
* @param unknown_type $returnvalue
* @param unknown_type $params
* @return unknown
*/
function blog_pingback_subtypes($hook, $entity_type, $returnvalue, $params)
{
$returnvalue[] = 'blog';
return $returnvalue;
}
/**
* Listen to incoming pings, this parses an incoming target url - sees if its for me, and then
* either passes it back or prevents it from being created and attaches it as an annotation to a given
*
* @param unknown_type $event
* @param unknown_type $object_type
* @param unknown_type $object
*/
function blog_incoming_ping($event, $object_type, $object)
{
// TODO: Get incoming ping object, see if its a ping on a blog and if so attach it as a comment
}
// Make sure the blog initialisation function is called on initialisation
register_elgg_event_handler('init','system','blog_init');
register_elgg_event_handler('pagesetup','system','blog_pagesetup');
// Register actions
global $CONFIG;
register_action("blog/add",false,$CONFIG->pluginspath . "blog/actions/add.php");
register_action("blog/edit",false,$CONFIG->pluginspath . "blog/actions/edit.php");
register_action("blog/delete",false,$CONFIG->pluginspath . "blog/actions/delete.php");
?>
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