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<?php
	/**
	 * Elgg user settings functions.
	 * Functions for adding and manipulating options on the user settings panel.
	 * 
	 * @package Elgg
	 * @subpackage Core
	 * @author Curverider Ltd 
	 * @link http://elgg.org/
	 */

	/**
	 * Register a user settings page with the admin panel.
	 * This function extends the view "usersettings/main" with the provided view. This view should provide a description
	 * and either a control or a link to.
	 * 
	 * Usage:
	 * 	- To add a control to the main admin panel then extend usersettings/main
	 *  - To add a control to a new page create a page which renders a view usersettings/subpage (where subpage is your new page - 
	 *    nb. some pages already exist that you can extend), extend the main view to point to it, and add controls to your 
	 * 	  new view.
	 * 
	 * At the moment this is essentially a wrapper around extend_view.
	 * 
	 * @param string $new_settings_view The view associated with the control you're adding  
	 * @param string $view The view to extend, by default this is 'usersettings/main'.
	 * @param int $priority Optional priority to govern the appearance in the list.
	 */
	function extend_elgg_settings_page( $new_settings_view, $view = 'usersettings/main', $priority = 500)
	{
		return extend_view($view, $new_settings_view, $priority);
	}

	function usersettings_pagesetup() {
		
		// Get config
			global $CONFIG;
		
		// Menu options
			if (get_context() == "settings") {
				$user = get_loggedin_user();
				add_submenu_item(elgg_echo('usersettings:user:opt:linktext'),$CONFIG->wwwroot . "pg/settings/user/{$user->username}/");
				//add_submenu_item(elgg_echo('profile:editicon'), $CONFIG->wwwroot . 'mod/profile/editicon.php');
				add_submenu_item(elgg_echo('usersettings:plugins:opt:linktext'),$CONFIG->wwwroot . "pg/settings/plugins/{$user->username}/");
				add_submenu_item(elgg_echo('usersettings:statistics:opt:linktext'),$CONFIG->wwwroot . "pg/settings/statistics/{$user->username}/");
			}
	}
	
	function usersettings_page_handler($page)
	{
		global $CONFIG;
		
		$path = $CONFIG->path . "settings/index.php";
		
		if ($page[0])
		{
			switch ($page[0])
			{
				case 'user' : $path = $CONFIG->path . "settings/user.php"; break;
				case 'statistics' : $path = $CONFIG->path . "settings/statistics.php"; break;
				case 'plugins' : $path = $CONFIG->path . "settings/plugins.php"; break;
			}
		}
		
		if ($page[1])
			set_input('username', $page[1]);
			
		include($path);
	}
	
	/**
	 * Initialise the admin page.
	 */
	function usersettings_init()
	{
		// Page handler
		register_page_handler('settings','usersettings_page_handler');
	}
	
	/// Register init function
	register_elgg_event_handler('init','system','usersettings_init');
	register_elgg_event_handler('pagesetup','system','usersettings_pagesetup');
	
?>