/**
  * Display column data
  * @param $columns
  * @return array
  */
 public static function display_columns($column)
 {
     global $post;
     if ($post->post_type != 'landing-page') {
         return;
     }
     switch ($column) {
         case 'ID':
             echo $post->ID;
             break;
         case 'thumbnail-lander':
             $template = get_post_meta($post->ID, 'lp-selected-template', true);
             $permalink = get_permalink($post->ID);
             $datetime = the_modified_date('YmjH', null, null, false);
             $permalink = $permalink = $permalink . '?dt=' . $datetime;
             if (in_array($_SERVER['REMOTE_ADDR'], array('127.0.0.1', '::1'))) {
                 if (file_exists(LANDINGPAGES_UPLOADS_PATH . $template . '/thumbnail.png')) {
                     $thumbnail = LANDINGPAGES_UPLOADS_URLPATH . $template . '/thumbnail.png';
                 } else {
                     if (file_exists(LANDINGPAGES_UPLOADS_PATH . $template . '/thumbnail.jpg')) {
                         $thumbnail = LANDINGPAGES_UPLOADS_URLPATH . $template . '/thumbnail.jpg';
                     } else {
                         $thumbnail = LANDINGPAGES_URLPATH . 'templates/' . $template . '/thumbnail.png';
                     }
                 }
             } else {
                 $thumbnail = 'http://s.wordpress.com/mshots/v1/' . urlencode(esc_url($permalink)) . '?w=140';
             }
             echo "<a title='" . __('Click to Preview this variation', 'landing-pages') . "' class='thickbox' href='" . $permalink . "?lp-variation-id=0&iframe_window=on&post_id=" . $post->ID . "&TB_iframe=true&width=640&height=703' target='_blank'><img src='" . $thumbnail . "' style='width:155px;height:110px;' title='Click to Preview'></a>";
             break;
         case "stats":
             self::show_stats();
             break;
         case "impressions":
             echo self::show_aggregated_stats("impressions");
             break;
         case "actions":
             echo self::show_aggregated_stats("actions");
             break;
         case "cr":
             echo self::show_aggregated_stats("cr") . "%";
             break;
         case "template":
             $template_used = Landing_Pages_Variations::get_current_template($post->ID);
             echo $template_used;
             break;
     }
 }
    /**
     * Notice to tell people that variation A needs to be save first
     */
    public static function acf5_required()
    {
        global $post;
        $screen = get_current_screen();
        if (!isset($post) || $screen->id == 'landing-pages' || $screen->id == 'edit-landing-page' || $post->post_status != 'publish') {
            return;
        }
        $extension_data = lp_get_extension_data();
        $current_template = Landing_Pages_Variations::get_current_template($post->ID);
        if (defined('ACF_PRO') || !isset($extension_data[$current_template]['info']['data_type']) || $extension_data[$current_template]['info']['data_type'] != 'acf5') {
            return;
        }
        ?>

        <div class="error">
            <p>
                <?php 
        echo sprintf(__('This landing page template requires Inbound Pro Plugin (not available yet) or the %s Inbound Premium Template Support Extension%s to operate. Please download the best available option and activate it as a plugin to continue working with this template.', 'landing-pages'), '<a href="#linkhere">', '</a>');
        ?>
            </p>
        </div>
        <?php 
    }
 /**
  * Remove all base css from the current active wordpress theme in landing pages
  * currently removes all css from wp_head and re-enqueues the admin bar css.
  */
 public static function strip_styles()
 {
     if (is_admin() || 'landing-page' != get_post_type()) {
         return;
     }
     global $post;
     $template = Landing_Pages_Variations::get_current_template($post->ID);
     $my_theme = wp_get_theme($template);
     if ($my_theme->exists() || $template == 'default') {
         return;
     }
     global $wp_styles;
     $registered_scripts = $wp_styles->registered;
     $inbound_white_list = array();
     foreach ($registered_scripts as $handle) {
         if (preg_match("/\\/plugins\\/leads\\//", $handle->src)) {
             /*echo $handle->handle; */
             $inbound_white_list[] = $handle->handle;
         }
         if (preg_match("/\\/plugins\\/cta\\//", $handle->src)) {
             /*echo $handle->handle; */
             $inbound_white_list[] = $handle->handle;
         }
         if (preg_match("/\\/plugins\\/landing-pages\\//", $handle->src)) {
             /*echo $handle->handle; */
             $inbound_white_list[] = $handle->handle;
         }
     }
     $wp_styles->queue = $inbound_white_list;
     wp_enqueue_style('admin-bar');
 }
    /**
     * Display template preview metabox
     */
    public static function display_template_preview_metabox()
    {
        global $post;
        $template = Landing_Pages_Variations::get_current_template($post->ID);
        $permalink = Landing_Pages_Variations::get_variation_permalink($post->ID);
        $datetime = the_modified_date('YmjH', null, null, false);
        $permalink = add_query_arg(array('dt' => $datetime, 'dont_save' => true), $permalink);
        ?>

        <style type="text/css">
            <?php 
        /* hide featured image slot if not default template */
        if ($template != 'default') {
            echo '#postimagediv {display:none;}';
        }
        ?>
            #lp-thumbnail-sidebar-preview {
                background: transparent !important;
            }
            #lp-thumbnail-sidebar-preview .handlediv, #lp-thumbnail-sidebar-preview .hndle {
                display: none !important;
            }
            #lp-thumbnail-sidebar-preview .inside {
                padding: 0px !important;

                border: none !important;
                margin-top: -33px !important;
                margin-bottom: -10px;
                overflow:hidden;
            }
            #lp-thumbnail-sidebar-preview  .zoomer-wrapper {
                vertical-align: top;
                margin-top:33px !important;
            }
            #lp-thumbnail-sidebar-preview iframe#zoomer {
                margin-top: -30px;
            }
        </style>
        <?php 
        if (isset($_GET['new-variation'])) {
            return;
        }
        if (isset($_GET['inbound-editor']) && $_GET['inbound-editor'] !== true) {
            return;
        }
        // default
        echo "<iframe src='{$permalink}' id='zoomer'></iframe>";
    }
 /**
  *	Check if current post is a landing page using an ACF powered template
  *
  *	@filter acf/location/rule_match/template_id
  *
  *	@returns BOOL declaring if current page is a landing page with an ACF template loaded or not
  */
 public static function load_acf_on_template($allow, $rule, $args)
 {
     global $post;
     if (!isset($post) || $post->post_type != 'landing-page') {
         return $allow;
     }
     $template = Landing_Pages_Variations::get_current_template($args['post_id']);
     if ($template == $rule['value']) {
         return true;
     } else {
         return false;
     }
 }
 /**
  * Returns conversion area placement
  * @param $landing_page_id
  * @param null $variation_id
  */
 public static function get_conversion_area_placement($landing_page_id, $variation_id = null)
 {
     $template = Landing_Pages_Variations::get_current_template($landing_page_id);
     return Landing_Pages_Variations::get_setting_value($template . '-conversion-area-placement', $landing_page_id, $variation_id);
 }