A function to add the BuddyPress sidebar-me logged in username/avatar, plus site wide notice & a custom rendering of a users notifications displayed as a list e.g new @mentions, new private messages etc. On logout or logged out a login form is presented. The function can be placed in functions.php and the function call added to any sidebar file …

hnla-loggin-bp-sidebar-me

function hnla_bp_login_bp_sidebar_me() {
/**
* This function provides BP sidebar login form if logged out
* welcome message username & logout link if logged in,
* list of any new notification on your account,
* sitewide site notices if any posted by site admin.
*
* Add function to your function.php file
* call function in any sidebar file using:
* 
* hnla_bp_login_bp_sidebar_me()
*
* @package BuddyPress
* @subpackage hnla-sidebar-login
* @version 1.0
*/
$bp = buddypress(); ?>
  	
	<div id="bp-sidebar-me-login">
	
<?php if ( is_user_logged_in() ) : ?>
 
		<?php do_action( 'bp_before_sidebar_me' ) ?>

		<div id="sidebar-me">
			
			<div id="sidebar-me-user">
      
				<a href="<?php echo bp_loggedin_user_domain() ?>">
				<?php bp_loggedin_user_avatar( 'type=thumb&width=40&height=40' ) ?>
				</a>

				<p class="user-link clearfix"><span class="your-name"><?php echo bp_core_get_userlink( bp_loggedin_user_id() ); ?></span></p>
				<p><a class="logout" href="<?php echo wp_logout_url( bp_get_root_domain() ) ?>"><?php _e( 'Log Out', 'buddypress' ) ?></a></p>
    
			</div>
					
		</div>

 	<div id="user-sidebar-notifications-menu">
	
	<?php if( $notifications = bp_core_get_notifications_for_user( bp_loggedin_user_id() )) : ?>
	
			<h3 class="notification-title logged-in-user">
				<a href="<?php echo bp_loggedin_user_domain(); ?>" title="Go to your account or click the specific notice links below">
					<?php _e( 'Notifications', 'buddypress' ); ?>
 				<span><?php echo count( $notifications ) ?></span>
				</a>
			</h3>
 			
			<?php if ( $notifications ) { ?>
		
			<ul>
			
			<?php			
			$counter = 0;
				foreach($notifications as $notification ){
				$alt = ( 0 == $counter % 2 ) ? ' class="alt"' : ''; ?>
			
				<li<?php echo $alt ?>><?php echo $notification ?></li>
			
				<?php $counter++;			
				}	
			}
 		?>		
			</ul>	
	
	<?php else: ?>
	
	<h3 class="notification-title logged-in-user"><?php _e('No new notifications ', 'hnla') ?></h3>
	
	
 <?php endif; ?>
	
		<?php if ( bp_is_active( 'messages' ) ) : ?>
			<?php bp_message_get_notices(); /* Site wide notices to all users */ ?>
		<?php endif; ?>	
	
	<?php do_action( 'bp_sidebar_me' ) ?>
	
	</div><!-- / #user-sidebar-notifications-menu -->
	
	<?php do_action( 'bp_after_sidebar_me' ) ?>
 
<?php else: ?>
	
	<?php do_action( 'bp_before_sidebar_login_form' ); ?>
	
	<?php if ( bp_get_signup_allowed() ) : ?>
	
	<div id="login_area">
		<form name="login-form" id="sidebar-login-form" class="standard-form" action="<?php echo site_url( 'wp-login.php', 'login_post' ); ?>" method="post">
			
			<label for="sidebar-user-login"><?php _e( 'Username', 'buddypress' ); ?></label>
			<input type="text" name="log" id="sidebar-user-login" class="input" value="<?php if ( isset( $user_login) ) echo esc_attr(stripslashes($user_login)); ?>" />

			<label for="sidebar-user-pass"><?php _e( 'Password', 'buddypress' ); ?></label>
			<input type="password" name="pwd" id="sidebar-user-pass" class="input" value="" />

			<p class="forgetmenot"><label><input name="rememberme" type="checkbox" id="sidebar-rememberme" value="forever" /> <?php _e( 'Remember Me', 'buddypress' ); ?></label></p>

			<p><a href="<?php echo bp_get_signup_page() ?>">Register</a> | <a href="<?php echo wp_lostpassword_url( get_bloginfo('url') ); ?>">Lost your password?</a></p>
			
			<?php do_action( 'bp_sidebar_login_form' ); ?>
			
			<input type="submit" name="wp-submit" id="sidebar-wp-submit" value="<?php _e( 'Log In', 'buddypress' ); ?>" />
			<input type="hidden" name="testcookie" value="1" />
		
		</form>
	</div>
	
	<?php do_action( 'bp_after_sidebar_login_form' ); ?>
	
	<?php endif; // end if signup allowed ?>

<?php endif; ?>
<?php }