path: root/danixland-user-panel.php

<?php
/*
Plugin Name: danixland User Panel
Plugin URI: http://danixland.net/blog/2010/603-danixland-user-panel-plugin/
Description: A modified version of the meta widget which gives more info about the user.
Version: 1.4.2
Author: Danilo 'danix' Macri
Author URI: http://danixland.net
Text Domain: dnxup

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*/

/**************************************************************************************
Since Version 1.1.1 this plugin uses some code and inspiration from the sidebar-login
plugin by Mike Jolley < http://blue-anvil.com > < http://mikejolley.com >
big kudos to him!!!
**************************************************************************************/

/**
 * Add plugin i18n domain: dnxup
 * @since 1.1.1
 */
load_plugin_textdomain('dnxup', false, dirname( plugin_basename( __FILE__ ) ) . '/languages/');

/**
 * Include settings options for our plugin
 * @since 1.1.1
 */
function dnxup_settings() {
	add_options_page('danixland User Panel Settings', __('User Panel Options', 'dnxup'), 'manage_options', 'dnxup_options', 'dnxup_settings_display');
}
add_action('admin_menu', 'dnxup_settings' );

/**
 * The function that outputs our admin page
 * @since 1.1.1
 */
function dnxup_settings_display() {
?>
	<div class="wrap">
		<h2><?php _e('danixland User Panel Settings', 'dnxup') ?></h2>
		<form method="post" action="options.php">
			<?php
				settings_fields('dnxup_options');
				do_settings_sections('dnxup_settings_sections');
			?>
			<p class="submit">
				<input name="dnxup_options[submit]" type="submit" class="button-primary" value="<?php esc_attr_e('Save Changes', 'dnxup') ?>" />
				<input name="dnxup_options[reset]" type="submit" class="button-secondary" value="<?php esc_attr_e('Reset Defaults', 'dnxup'); ?>" />
			</p>
		</form>
	</div>
<?php
}

/**
 * Settings API options initilization and validation
 * @since 1.1.1
 */
function dnxup_register_options() {
	require( dirname( __FILE__ ) . '/include/options-register.php' );
}
add_action('admin_init', 'dnxup_register_options');

/**
 * DataBase initilization and update procedure
 * @since 1.1.2
 */

// helper function that returns DB defaults
function dnxup_db_defaults() {
	$defaults = array(
		'show_gravatar' => true,
		'logged_out_heading' => 'Howdy Guest',
		'logged_in_heading' => 'Howdy %username%',
		'logged_in_links' => "<a href=\"" . admin_url() . "\">" . __('Dashboard','dnxup') . "</a>\n<a href=\"" . admin_url('profile.php') . "\">" . __('Profile','dnxup') . "</a>",
		// database version
		'dnxup_DB_VERSION' => '1'
	);
	return $defaults;
}

// helper function that starts up the DB
function dnxup_db_init() {
	global $dnxup_options;
	$dnxup_options = get_option('dnxup_options');
	if( false === $dnxup_options ) {
		$dnxup_options = dnxup_db_defaults();
	}
	update_option('dnxup_options', $dnxup_options);
}

// helper function that performs a DB version update when needed
function dnxup_db_update($db_version) {
	global $dnxup_options;
	$db_defaults = dnxup_db_defaults();
	$merge = wp_parse_args( $dnxup_options, $db_defaults );
	// update DB version
	$merge['dnxup_DB_VERSION'] = $db_version;
	update_option('dnxup_options', $merge);
}

// helper function that performs a DB check and then an init/update action
function dnxup_db_check() {
	global $dnxup_options;
	if(false === $dnxup_options) {
		dnxup_db_init();
	}
	$old_db_version = $dnxup_options['dnxup_DB_VERSION'];
	$new_db_version = DNXUP_CURRENT_DB_VERSION;
	if(empty($old_db_version)) {
		dnxup_db_init();
	}
	if( intval($old_db_version) < intval($new_db_version) ) {
		dnxup_db_update( $new_db_version );
	}
}
function dnxup_set_db_version() {
	// Define plugin database version. This should only change when new settings are added.
	if ( ! defined( 'DNXUP_CURRENT_DB_VERSION' ) ) {
		define( 'DNXUP_CURRENT_DB_VERSION', 2 );
	}
}
/**
 * Add function on plugin activation that'll set our DB version and perform a check for update
 * @since 1.1.3
 */
register_activation_hook( __FILE__, 'dnxup_set_db_version' );
register_activation_hook( __FILE__, 'dnxup_db_check' );


/**
 * function that returns the actual url for redirection after logout
 * as seen on sidebar-login by Mike Jolley with small modifications
 * @since 1.1.3
 */
function dnxup_current_url($url = '') {

	global $wpdb, $post, $cat, $tag, $author, $year, $monthnum, $day, $wp_query;
	$pageURL = "";

	if ( is_home() && $wp_query->is_posts_page==1)
	{
		$pageURL = get_permalink(get_option('page_for_posts'));
	}
	elseif (is_home() || is_front_page())
	{
		$pageURL = get_bloginfo('url');
	}
	elseif (is_post_type_archive())
	{
		$pageURL = get_post_type_archive_link( get_query_var('post_type') );
	}
	elseif (is_single() || is_page())
	{
		$pageURL = get_permalink($wp_query->post->ID);
	}
	elseif (is_category())
	{
		$pageURL = get_category_link($cat);
	}
	elseif (is_tag())
	{
		$tag_id = $wpdb->get_var("SELECT ".$wpdb->terms.".term_id FROM $wpdb->term_taxonomy
			LEFT JOIN $wpdb->terms
			ON (".$wpdb->term_taxonomy.".term_id = ".$wpdb->terms.".term_id)
			WHERE ".$wpdb->terms.".slug = '$tag'
			AND ".$wpdb->term_taxonomy.".taxonomy = 'post_tag' LIMIT 1");
		$pageURL = get_tag_link($tag_id);
	}
	elseif (is_author())
	{
		$pageURL = get_author_posts_url($author);
	}
	elseif (is_date())
	{

		if ($day)
		{
			$pageURL = get_day_link( $year,  $monthnum,  $day);
		}
		elseif ($monthnum)
		{
			$pageURL = get_month_link( $year,  $monthnum,  $day);
		}
		elseif ($year)
		{
			$pageURL = get_year_link( $year,  $monthnum,  $day);
		}

	}
	elseif (is_search())
	{
		$pageURL = get_bloginfo('wpurl');
		if ("/" != substr($pageURL, -1)) $pageURL = $pageURL . "/";
		$pageURL .= '?s='.stripslashes(strip_tags($_REQUEST['s'])).'';
	}

	if (!$pageURL || $pageURL=="" || !is_string($pageURL)) {
		$pageURL = "";
		$pageURL = (isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] == 'on') ? 'https://' : 'http://';

		if ($_SERVER["SERVER_PORT"] != "80") {
			$pageURL .= $_SERVER["SERVER_NAME"].":".$_SERVER["SERVER_PORT"].$_SERVER["REQUEST_URI"];
		} else {
			$pageURL .= $_SERVER["SERVER_NAME"].$_SERVER["REQUEST_URI"];
		}

		//————–added by mick
		if (!strstr(get_bloginfo('url'),'www.')) $pageURL = str_replace('www.','', $pageURL );
		//——————–
	}
	if ($pageURL && !is_search()) if ("/" != substr($pageURL, -1)) $pageURL = $pageURL . "/";


	return $pageURL;
}

/**
 * Add function to widgets_init that'll load our widget.
 * @since 0.1
 */
add_action( 'widgets_init', 'danixland_user_panel' );

/**
 * Register our widget.
 * 'User_Panel' is the widget class used below.
 *
 * @since 0.1
 */
function danixland_user_panel() {
	register_widget( 'User_Panel' );
}

/**
 * User_Panel class.
 * This class handles everything that needs to be handled with the widget:
 * the settings, form, display, and update.  Nice!
 *
 * @since 0.1
 */
class User_Panel extends WP_Widget {

	/**
	 * Widget setup.
	 */
	function __construct() {
		parent::__construct(
			'dnx-user-panel', // id_base
			__('danixland User Panel', 'dnxup' ), // Name
			array( 'description' => __('An improved version of the meta widget', 'dnxup') )
		);
	}

	/**
	 * How to display the widget on the public side of the site.
	 */
	public function widget( $args, $instance ) {
		extract( $args );
		global $user_ID, $current_user;
		$dnxup_options = get_option('dnxup_options');
		extract( $dnxup_options );

		// Let's use our title
		if($user_ID != '') { // if user is logged in let's greet him good
			$current_user = wp_get_current_user();
			if( '' != $logged_in_heading ) {
				$title = apply_filters('widget_title', str_replace('%username%',ucwords($current_user->display_name),$logged_in_heading));
			} else {
				$title = false;
			}
		} else { // user is not logged in, let's treat him as a guest
			if( '' != $logged_out_heading ) {
				$title = apply_filters('widget_title', str_replace('%username%',ucwords($current_user->display_name),$logged_out_heading));
			} else {
				$title = false;
			}
		}


		/* Before widget (defined by themes). */
		echo $before_widget;

		/* Display the widget title if one was input (before and after defined by themes). */
		if ( $title )
			echo $before_title . $title . $after_title;

		/**
		 * if user is logged in to your site
		 * @since 0.8
		*/
		if( $user_ID != '' ) {
			/* If show_gravatar was selected, show the User's Gravatar. */
			if ( $show_gravatar ) {
				echo get_avatar($user_ID, 75);
			}
			echo '<ul id="dnxup_login_links" class="user_logged_in">';
			echo '<li id="dashboard"><a href="' . get_bloginfo('url') . '/wp-admin/">' . __('Dashboard', 'dnxup') . '</a></li>';
			echo '<li id="profile"><a href="' . get_bloginfo('url') . '/wp-admin/profile.php">' . __('Profile and personal options', 'dnxup') . '</a></li>';

			/**
			* custom links functionality
			* @since 1.1.4
			*/
			$links = do_shortcode(trim($logged_in_links));
			$links = explode("\n", $links);
			if (sizeof($links)>0) {
				foreach ($links as $l) {
					$l = trim($l);
					if (!empty($l)) {
						$link = explode('|',$l);
						if (isset($link[1])) {
							$cap = strtolower(trim($link[1]));
							if ($cap=='true') {
								if (!current_user_can( 'manage_options' )) continue;
							} else {
								if (!current_user_can( $cap )) continue;
							}
						}
						// Parse %USERNAME%
						$link[0] = str_replace('%USERNAME%',$current_user->user_login,$link[0]);
						$link[0] = str_replace('%username%',$current_user->user_login,$link[0]);
						// Parse %USERID%
						$link[0] = str_replace('%USERID%',$current_user->ID,$link[0]);
						$link[0] = str_replace('%userid%',$current_user->ID,$link[0]);
						echo '<li class="dnxup_custom_link">'.$link[0].'</li>';
					}
				}
			}

			echo('<li id="logout"><a href="' . wp_logout_url( dnxup_current_url() ) . '">' . __('Exit', 'dnxup') . '</a></li>');
			echo '</ul>';
		/**
		 * else if user is logged out and registration is disabled
		 * @since 0.8
		*/
		} else {
			if( ! get_option('users_can_register') ) {
				echo '<ul id="dnxup_login_links" class="logged_out_noreg">';
				echo '<li id="login"><a href="' . wp_login_url( dnxup_current_url() ) . '">' . __('Login', 'dnxup') . '</a></li>';
				echo '<li id="lostpassword"><a href="' . wp_lostpassword_url( dnxup_current_url() ) . '">' . __('Forgot your password?', 'dnxup') . '</a></li>';
				echo '</ul>';
			/**
			* or if user is still logged out but user registration is enabled
			* @since 0.9
			*/
			} else {
				echo '<ul id="dnxup_login_links" class="logged_out_yesreg">';
				echo '<li id="register"><a href="' . get_option('siteurl') . '/wp-register.php">' . __('Register', 'dnxup') . '</a></li>';
				echo '<li id="login"><a href="' . wp_login_url( dnxup_current_url() ) . '">' . __('Login', 'dnxup') . '</a></li>';
				echo '<li id="lostpassword"><a href="' . wp_lostpassword_url( dnxup_current_url() ) . '">' . __('Forgot your password?', 'dnxup') . '</a></li>';
				echo '</ul>';
			}
		}
		/* After widget (defined by themes). */
		echo $after_widget;
	}

	/**
	 * Displays just a quick notice with a link to the Settings page
	 */
	public function form( $instance ) {
		?>

		<!-- No settings here, -->
		<p>
			<?php echo sprintf( __('Nothing to set here, already had a look at the <a href="%1$s">Settings Page</a>?', 'dnxup'),
				admin_url('options-general.php?page=dnxup_options')
				); ?>
		</p>
	<?php
	}
}

?>