/**
* Initializes the hooks required to make the root blog show sitewide posts.
*
* This functionality, if required, can be overridden by other code by
* defining the constant CLASS_BLOGS_SHOW_SITEWIDE_POSTS_ON_FRONT_PAGE. If
* it is given a value of false, the root blog will never be populated with
* the sitewide post data.
*
* @access private
* @since 0.2
*/
public function _initialize_root_blog_hooks()
{
// Allow external code to prevent the main page of the root blog from
// being populated with the sitewide posts
$allow_posts = true;
if (defined('CLASS_BLOGS_SHOW_SITEWIDE_POSTS_ON_FRONT_PAGE')) {
$allow_posts = CLASS_BLOGS_SHOW_SITEWIDE_POSTS_ON_FRONT_PAGE;
}
// Feed all sitewide posts to the front page of the parent blog if we
// are allowed to do so, are running in multisite mode, are on the root
// blog, and are on the home page
if ($allow_posts && ClassBlogs_Utils::is_multisite() && ClassBlogs_Utils::is_root_blog() && (is_home() || is_front_page())) {
add_action('loop_end', array($this, 'reset_blog_on_loop_end'));
add_action('loop_start', array($this, 'restore_sitewide_post_ids'));
add_action('the_post', array($this, 'use_correct_blog_for_sitewide_post'));
add_filter('the_posts', array($this, '_use_sitewide_posts'));
add_filter('page_link', array($this, '_use_correct_page_url'), 10, 2);
// Use the post's excerpt if that option has been set
if ($this->get_option('root_use_excerpt')) {
add_filter('the_content', array($this, '_use_post_excerpt'));
}
}
}
/**
* Register the link-list widget if not on the root blog.
*
* @access private
* @since 0.2
*/
public function _register_widget()
{
if (!ClassBlogs_Utils::is_root_blog()) {
$uid = $this->get_uid();
nxt_register_sidebar_widget($uid, $this->get_option('title'), array($this, '_render_link_list'), array('classname' => $uid));
}
}
/**
* Registers a widget that should only be available on the root blog.
*
* This makes the widget only appear as a selection on the admin side if the
* user is an admin on the root blog and the root blog is being edited, but
* will show the widget to any user viewing the root blog.
*
* @param object $widget an instance of the widget class
*
* @since 0.2
*/
public static function register_root_only_widget($widget)
{
global $blog_id;
// If we're currently on the root blog, see if we're either viewing the
// public-facing part of the blog or are a user with admin rights viewing
// the admin side. If so, register the widget.
if (ClassBlogs_Utils::is_root_blog() && (!is_admin() || ClassBlogs_Utils::current_user_is_admin_on_root_blog())) {
register_widget($widget);
}
}