From: Download: Bottom Bar (Beta 2) - Adding the Bottom Bar UserCP Form to the Settings Tab

		if ( $this->memberData['g_attach_max'] != -1 )
		{
			$array[] = array(
							'url'    => 'area=attachments',
							'title'  => ipsRegistry::instance()->getClass('class_localization')->words['m_attach'],
							'active' => $this->request['tab'] == 'core' && $this->request['area'] == 'attachments' ? 1 : 0,
							'area'   => 'attachments'
							);
		}

                if ( IPSLib::appIsInstalled('bottombar') )
                {
                        $array[] = array( 'url'    => 'area=bottombar',
                                                          'area'   => 'bottombar',
                                                          'title'  => 'Bottom Bar Configuration',
                                                          'active' => $this->request['tab'] == 'core' && $this->request['area'] == 'bottombar' ? 1 : 0 );
                }

			case 'notes':
				return $this->showFormNotes();
			break;

			case 'bottombar':
				return $this->showFormBottomBar();
			break;

			case 'notes':
				return $this->saveFormNotes();
			break;

			case 'bottombar':
				return $this->saveFormBottomBar();
			break;

	/**
	 * UserCP Save Form: Password
	 *
	 * @access	public
	 * @param	array	Array of member / core_sys_login information (if we're editing)
	 * @return	mixed	Array of errors / boolean true
	 */
	public function saveFormPassword( $member=array() )
	{

	/**
	 * UserCP Save Form: Bottom Bar
	 *
	 * @access	public
	 * @author	Brandon Farber
	 * @return	boolean		Successful
	 */
        public function saveFormBottomBar( $current_area )
        {
                $_hide        = $this->request['hide_bottombar'] ? 1 : 0;

                IPSMember::packMemberCache( $this->memberData['member_id'], array( 'hide_bottombar' => $_hide ), $this->memberData['_cache'] );
        }

	/**
	 * UserCP Form Check
	 *
	 * @access	public
	 * @author	Matt Mecham
	 * @param	string		Current area as defined by 'get_links'
	 * @return	string		Processed HTML
	 */
	public function saveForm( $current_area )
	{

	/**
	 * Show the Bottom Bar form
	 *
	 * @access	public
	 * @author	Brandon Farber
	 * @return	string		Processed HTML
	 */
        public function showFormBottomBar()
        {
                return $this->registry->output->getTemplate('bottombar')->usercpSettings();
        }