<?php
/*
Plugin Name: Always Show Admin Bar
Plugin URI: http://www.leewillis.co.uk/wordpress-plugins/
Description: Always show the admin bar
Author: Lee Willis
Version: 0.2
Author URI: http://www.leewillis.co.uk/
*/

class asabfa {


	function asabfa() {

		$this->__construct();

	}


	function __construct() {

		add_action ( 'plugins_loaded', array ( &$this, 'show_admin_bar' ) );
		add_action ( 'init', array ( &$this, 'add_login_links' ) );

	}


	function add_login_links() {

		global $wp_admin_bar;

		if ($this->is_logged_in())
			return;

		if (isset($wp_admin_bar))
			$wp_admin_bar->add_menu( array( 'id' => 'login-link', 'title' => __('Not Logged in, login here','asabfa'),  'href' => admin_url() ) );

	}


	function has_logged_in() {

		// Have they ever logged in?
		return isset ( $_COOKIE['asabfa_logged_in'] ) && $_COOKIE['asabfa_logged_in'] ;

	}


	function is_logged_in() {

		$user_id = get_current_user_id();

		if ( 0 != $user_id ) {
			return TRUE;
		} else {
			return FALSE;
		}
	}


	function show_admin_bar($show) {

		// If the user has logged in previously - show the bar
		if ($this->has_logged_in()) {

			$show = TRUE;

		}

		// If user is currently logged in. Show the bar, and set a cookie
		if ($this->is_logged_in()) {

			setcookie ( 'asabfa_logged_in', '1', time()+60*60*24*1000 );
			$show = TRUE;

		}

		if ($show && !is_admin()) {

			add_filter ( 'show_admin_bar', '__return_true' );

		} else { 

			add_filter ( 'show_admin_bar', '__return_false' );

		}

	}

}

$asabfa = new asabfa();

?>