/**	PHP5 class constructor	 */
 function __construct()
 {
     //	activation hook used to install the plugin - saving the default options into WP options table
     register_activation_hook(TG_SEARCHBOXES__FILE__, array($this, 'tg_searchboxes_install'));
     //	deac.hook - deleting the options for TG-searchboxes from WP options table
     register_deactivation_hook(TG_SEARCHBOXES__FILE__, array($this, 'tg_searchboxes_deactivate'));
     //	call parent's constructor for reading the options from WP options table
     parent::__construct();
     /**	date format used in JS, needed for Calendar scripts, based on User Settings	*/
     $this->options['date_format_js'] = $this->options['date_format'] == 'd/m/Y' ? 'dd/mm/yy' : 'mm/dd/yy';
     // adding a menu to the menues on the left of the dashboard
     add_action('admin_menu', array($this, 'tg_searchboxes_create_menu'));
     // initializing the class needed to display the html for the searchboxes settings page
     $this->searchboxesSettingsFormRenderer = new searchboxesSettingsFormRenderer($this);
     add_action('admin_init', array($this->searchboxesSettingsFormRenderer, 'admin_init'));
     //		add_action('admin_init', array($this, 'jquery_ui'), 0);
     //	is an AJAX request or not; DOING_AJAX is set by WP automatically; AJAX req. is triggered on Add-TG-Box button click
     $doing_ajax = defined('DOING_AJAX') ? DOING_AJAX : false;
     //	accepting AJAX req.s as valid only from the post editing interface; page-slug is assigned to the button
     $valid_ajax_call = isset($_GET['page']) && $this->page_slug == $_GET['page'] ? true : false;
     // have to check for possible call by editor button to show the searchboxes in a popup div done by thickbox
     if ($doing_ajax && $valid_ajax_call && isset($_GET['action']) && 'tg_searchboxes' == $_GET['action']) {
         // valid ajax req. => Editor Button clicked => then on the thickbox popup div show the content of the specified views
         // currently there's only 1 action+fn. for that:do_action_tg_searchboxes
         add_action('init', array($this, 'do_action_' . $_GET['action']));
     }
     // the editor button will be present only on the pages in the array below
     $pages_with_editor_button = array('post.php', 'post-new.php', 'page.php', 'page-new.php');
     foreach ($pages_with_editor_button as $page) {
         // if any of the given pages are loaded	=> edd the editor button
         add_action('load-' . $page, array($this, 'add_editor_button'));
     }
     return;
 }
 /**	PHP5 class constructor	*/
 function __construct()
 {
     /**	call parent's constructor for reading the options from WP options table	*/
     parent::__construct();
     //	add_action('wp_enqueue_scripts', array($this, 'jquery_ui'), 0);
     /**	adding to the dom the css files needed by the plugin in the frontend	*/
     $this->enqueue_tg_searchboxes_css();
     /**	adding to the dom the js files and variables needed by the plugin in the frontend	*/
     $this->enqueue_tg_searchboxes_js();
     /**	adding a hook for the shortcode "tg_searchboxes";
      * WP will automatically pass the found arguments: [shortcode argument1=value1 argument2=value2]	*/
     add_shortcode($this->shortcode_tg_searchboxes, array($this, 'tg_searchboxes_handle_tg_shortcode'));
     // checking if current request is to load the searchbox via external JS file
     $this->check_load_with_javascript();
     return;
 }