/**
  * This function creates all the relevant pages for our plugin.
  * These pages appear in the Dashboard.
  *
  * @since 0.1
  */
 public function create_nelioab_admin_pages()
 {
     $nelioab_menu = 'nelioab-dashboard';
     // Main menu
     // ----------------------------------------------------------------------
     add_menu_page(__('Nelio A/B Testing', 'nelioab'), __('Nelio A/B Testing', 'nelioab'), 'manage_options', $nelioab_menu, null, null, NelioABSettings::get_menu_location() . '.000023510');
     // Dashboard page
     // ----------------------------------------------------------------------
     require_once NELIOAB_ADMIN_DIR . '/dashboard-page-controller.php';
     add_submenu_page($nelioab_menu, __('Dashboard', 'nelioab'), __('Dashboard', 'nelioab'), 'manage_options', 'nelioab-dashboard', array('NelioABDashboardPageController', 'build'));
     // Experiments pages (depending on the action, we show one or another)
     // ----------------------------------------------------------------------
     $the_action = NULL;
     if (isset($_GET['action'])) {
         $the_action = $_GET['action'];
     }
     switch ($the_action) {
         case 'edit':
             require_once NELIOAB_ADMIN_DIR . '/select-exp-edition-page-controller.php';
             $page_to_build = array('NelioABSelectExpEditionPageController', 'build');
             break;
         case 'progress':
             require_once NELIOAB_ADMIN_DIR . '/select-exp-progress-page-controller.php';
             $page_to_build = array('NelioABSelectExpProgressPageController', 'build');
             break;
         default:
             require_once NELIOAB_ADMIN_DIR . '/experiments-page-controller.php';
             $page_to_build = array('NelioABExperimentsPageController', 'build');
             break;
     }
     add_submenu_page($nelioab_menu, __('Experiments', 'nelioab'), __('Experiments', 'nelioab'), 'manage_options', 'nelioab-experiments', $page_to_build);
     // Creating Experiment; (depending on the type, we show one form or another)
     // ----------------------------------------------------------------------
     require_once NELIOAB_ADMIN_DIR . '/select-exp-creation-page-controller.php';
     add_action('admin_head', array($this, 'add_css_for_creation_page'));
     add_action('admin_head', array($this, 'add_css_for_themes'));
     $page_to_build = array('NelioABSelectExpCreationPageController', 'build');
     add_submenu_page($nelioab_menu, __('Add Experiment', 'nelioab'), __('Add Experiment', 'nelioab'), 'manage_options', 'nelioab-add-experiment', $page_to_build);
     // Either Free Trial or My Account page
     // ----------------------------------------------------------------------
     if (NelioABAccountSettings::is_using_free_trial()) {
         $label = __('Free Trial', 'nelioab');
     } else {
         $label = __('My Account', 'nelioab');
     }
     require_once NELIOAB_ADMIN_DIR . '/account-page-controller.php';
     add_submenu_page($nelioab_menu, $label, $label, 'manage_options', 'nelioab-account', array('NelioABAccountPageController', 'build'));
     // Settings page
     // ----------------------------------------------------------------------
     require_once NELIOAB_ADMIN_DIR . '/settings-page-controller.php';
     add_submenu_page($nelioab_menu, __('Settings', 'nelioab'), __('Settings', 'nelioab'), 'manage_options', 'nelioab-settings', array('NelioABSettingsPageController', 'build'));
     // Help
     // ----------------------------------------------------------------------
     add_submenu_page($nelioab_menu, __('Help', 'nelioab'), __('Help', 'nelioab'), 'manage_options', 'nelioab-help');
     global $submenu;
     for ($i = 0; $i < count($submenu['nelioab-dashboard']); ++$i) {
         if ('nelioab-help' == $submenu['nelioab-dashboard'][$i][2]) {
             $submenu['nelioab-dashboard'][$i][2] = 'http://support.nelioabtesting.com/support/home';
             break;
         }
     }
     // OTHER PAGES (not included in the menu)
     // CSS Editing
     // ----------------------------------------------------------------------
     require_once NELIOAB_ADMIN_DIR . '/views/content/css-edit.php';
     add_submenu_page(NULL, __('CSS Edit', 'nelioab'), __('CSS Edit', 'nelioab'), 'manage_options', 'nelioab-css-edit', array('NelioABCssEditPage', 'build'));
 }
        public static function print_menu_location_field()
        {
            $field_name = 'menu_location';
            printf('<select id="%1$s" name="nelioab_settings[%1$s]" %2$s>', $field_name, self::get_basic_details());
            ?>
				<option value='<?php 
            echo NelioABSettings::MENU_LOCATION_DASHBOARD;
            ?>
'><?php 
            _e('Top of the Dashboard', 'nelioab');
            ?>
</option>
				<option value='<?php 
            echo NelioABSettings::MENU_LOCATION_APPEARANCE;
            ?>
' <?php 
            if (NelioABSettings::get_menu_location() == NelioABSettings::MENU_LOCATION_APPEARANCE) {
                echo ' selected="selected"';
            }
            ?>
><?php 
            _e('Above Appearance', 'nelioab');
            ?>
</option>
				<option value='<?php 
            echo NelioABSettings::MENU_LOCATION_TOOLS;
            ?>
' <?php 
            if (NelioABSettings::get_menu_location() == NelioABSettings::MENU_LOCATION_TOOLS) {
                echo ' selected="selected"';
            }
            ?>
><?php 
            _e('Below Tools', 'nelioab');
            ?>
</option>
				<option value='<?php 
            echo NelioABSettings::MENU_LOCATION_LAST_BLOCK;
            ?>
' <?php 
            if (NelioABSettings::get_menu_location() == NelioABSettings::MENU_LOCATION_LAST_BLOCK) {
                echo ' selected="selected"';
            }
            ?>
><?php 
            _e('First Option in Last Block', 'nelioab');
            ?>
</option>
				<option value='<?php 
            echo NelioABSettings::MENU_LOCATION_END;
            ?>
' <?php 
            if (NelioABSettings::get_menu_location() == NelioABSettings::MENU_LOCATION_END) {
                echo ' selected="selected"';
            }
            ?>
><?php 
            _e('Latest Option', 'nelioab');
            ?>
</option>
			</select>
			<div class="the-descr" style="display:none;"><span class="description"><?php 
            _e('Set the location of «Nelio A/B Testing» in the left pane of the Dashboard.', 'nelioab');
            ?>
</span></div><?php 
        }