<?php
if (!defined('ABSPATH')) {
  die('-1');
}

class QuadMenu_Nav_Menu_Column extends QuadMenu_Settings {

  public function __construct() {
    add_filter('quadmenu_edit_nav_menu_walker', array($this, 'add_nav_menu_item_column'), 10, 3);
  }

  function add_nav_menu_item_column($walker_class_name, $menu_id = null, $menu_obj = null, $menu_items = null) {

    if (!empty($menu_obj->menu_item_parent) && !empty($menu_obj->quadmenu) && $menu_obj->quadmenu === 'column') {
      return __CLASS__;
    }

    return $walker_class_name;
  }

  public function walk($elements, $max_depth) {

    $output = '';

    foreach ($elements as $e) {

      $output .= $this->column($e);
    }

    return $output;

    wp_die();
  }

  public function column($column_obj, $menu_id = 0) {

    ob_start();
    ?>
    <div id="column_<?php echo esc_attr($column_obj->ID); ?>" class="quadmenu-column quadmenu-item-depth-2 <?php echo join(' ', array_map('sanitize_html_class', $column_obj->columns)); ?>" data-columns="<?php echo join(' ', array_map('sanitize_html_class', $column_obj->columns)); ?>" data-menu_item_id="<?php echo esc_attr($column_obj->ID); ?>">
      <div class="inner">
        <div class="action-top clearfix">
          <div class="actions">
              <!--<a class="option contract" title="<?php echo esc_attr(esc_html__('Contract', 'quadmenu')); ?>"></a>
              <a class="option expand" title="<?php echo esc_attr(esc_html__('Expand', 'quadmenu')); ?>"></a>-->
            <a class="option edit" title="<?php esc_html_e('Edit', 'quadmenu'); ?>"></a>
            <a class="option remove" title="<?php esc_html_e('Remove', 'quadmenu'); ?>"></a>
            <span class="spinner"></span>
          </div>
        </div>
        <div class="settings">
          <?php echo $this->form($column_obj, 1, array('columns')); ?>                       
        </div>
        <ul id="quadmenu-column-items-<?php echo esc_attr($column_obj->ID); ?>" class="items add-quadmenu-column-item sortable-area" data-sortable-items=".quadmenu-column-item" data-sortable-handle=".action-top" data-sortable-connect=".items" data-menu_item_parent_id="<?php echo esc_attr($column_obj->ID); ?>">     
          <?php
          $items = $this->get_children_nav_menu_items($menu_id, $column_obj->ID);

          if (is_array($items) && count($items)) :
            foreach ($items as $item):

              $menu_obj = QuadMenu::wp_setup_nav_menu_item($item['id']);

              $walker_class_name = apply_filters('quadmenu_edit_nav_menu_walker', 'Walker_Nav_Menu_Edit', null, $menu_obj, null);

              require_once ABSPATH . 'wp-admin/includes/nav-menu.php';

              if (class_exists($walker_class_name)) {

                $args = array(
                    'after' => '',
                    'before' => '',
                    'link_after' => '',
                    'link_before' => '',
                    'walker' => new $walker_class_name,
                );

                echo walk_nav_menu_tree(array($menu_obj), 0, (object) $args);
              }

            endforeach;
          endif;
          ?>
        </ul>

      </div>
    </div>
    <?php
    return ob_get_clean();
  }

  public function columns($menu_obj, $menu_id = 0) {

    $columns = $this->get_children_nav_menu_items($menu_id, $menu_obj->ID);

    ob_start();

    $w4 = array(
        array('quadmenu' => 'column', 'columns' => array('col-xs-12', 'col-sm-4')),
    );

    $w12 = array(
        array('quadmenu' => 'column', 'columns' => array('col-xs-12', 'col-sm-12')),
    );

    $w6w6 = array(
        array('quadmenu' => 'column', 'columns' => array('col-xs-12', 'col-sm-6')),
        array('quadmenu' => 'column', 'columns' => array('col-xs-12', 'col-sm-6')),
    );

    $w4w4w4 = array(
        array('quadmenu' => 'column', 'columns' => array('col-xs-12', 'col-sm-4')),
        array('quadmenu' => 'column', 'columns' => array('col-xs-12', 'col-sm-4')),
        array('quadmenu' => 'column', 'columns' => array('col-xs-12', 'col-sm-4')),
    );

    $w3w3w3w3 = array(
        array('quadmenu' => 'column', 'columns' => array('col-xs-12', 'col-sm-3')),
        array('quadmenu' => 'column', 'columns' => array('col-xs-12', 'col-sm-3')),
        array('quadmenu' => 'column', 'columns' => array('col-xs-12', 'col-sm-3')),
        array('quadmenu' => 'column', 'columns' => array('col-xs-12', 'col-sm-3')),
    );

    $w2w2w2w2w2w2 = array(
        array('quadmenu' => 'column', 'columns' => array('col-xs-12', 'col-sm-2')),
        array('quadmenu' => 'column', 'columns' => array('col-xs-12', 'col-sm-2')),
        array('quadmenu' => 'column', 'columns' => array('col-xs-12', 'col-sm-2')),
        array('quadmenu' => 'column', 'columns' => array('col-xs-12', 'col-sm-2')),
        array('quadmenu' => 'column', 'columns' => array('col-xs-12', 'col-sm-2')),
        array('quadmenu' => 'column', 'columns' => array('col-xs-12', 'col-sm-2')),
    );

    $w4w8 = array(
        array('quadmenu' => 'column', 'columns' => array('col-xs-12', 'col-sm-4')),
        array('quadmenu' => 'column', 'columns' => array('col-xs-12', 'col-sm-8')),
    );

    $w3w6w3 = array(
        array('quadmenu' => 'column', 'columns' => array('col-xs-12', 'col-sm-3')),
        array('quadmenu' => 'column', 'columns' => array('col-xs-12', 'col-sm-6')),
        array('quadmenu' => 'column', 'columns' => array('col-xs-12', 'col-sm-3')),
    );

    $w2w10 = array(
        array('quadmenu' => 'column', 'columns' => array('col-xs-12', 'col-sm-2')),
        array('quadmenu' => 'column', 'columns' => array('col-xs-12', 'col-sm-10')),
    );

    $w2w8w2 = array(
        array('quadmenu' => 'column', 'columns' => array('col-xs-12', 'col-sm-2')),
        array('quadmenu' => 'column', 'columns' => array('col-xs-12', 'col-sm-8')),
        array('quadmenu' => 'column', 'columns' => array('col-xs-12', 'col-sm-2')),
    );
    ?>
    <div id="columns_<?php echo esc_attr($menu_obj->ID); ?>" class="quadmenu-columns sortable-area row" data-drop-area="drop-column" data-sortable-items=".quadmenu-column" data-sortable-handle=".action-top" data-menu_item_parent_id="<?php echo esc_attr($menu_obj->ID); ?>">
      <ul role="tablist">
        <span class="spinner"></span>
        <li>
          <a href="#" class="submit-add-to-quadmenu-column" data-menu_item_type="custom" data-menu_item_quadmenu="<?php echo htmlspecialchars(json_encode($w4), ENT_QUOTES, 'UTF-8'); ?>" data-menu_item_url="#column" data-menu_item_title="<?php esc_html_e('Column', 'quadmenu'); ?>" data-menu_item_parent=".quadmenu-columns" data-menu_item_parent_id="<?php echo esc_attr($menu_obj->ID); ?>">
          </a>
        </li>
        <li>
          <a href="#" class="submit-add-to-quadmenu-column" data-menu_item_type="custom" data-menu_item_quadmenu="<?php echo htmlspecialchars(json_encode($w12), ENT_QUOTES, 'UTF-8'); ?>" data-menu_item_url="#column" data-menu_item_title="<?php esc_html_e('Column', 'quadmenu'); ?>" data-menu_item_parent=".quadmenu-columns" data-menu_item_parent_id="<?php echo esc_attr($menu_obj->ID); ?>">
            <div class="col col-auto">
            </div>
          </a>
        </li>                               
        <li>
          <a href="#" class="submit-add-to-quadmenu-column" data-menu_item_type="custom" data-menu_item_quadmenu="<?php echo htmlspecialchars(json_encode($w6w6), ENT_QUOTES, 'UTF-8'); ?>" data-menu_item_url="#column" data-menu_item_title="<?php esc_html_e('Column', 'quadmenu'); ?>" data-menu_item_parent=".quadmenu-columns" data-menu_item_parent_id="<?php echo esc_attr($menu_obj->ID); ?>">
            <div class="col col-auto"></div>
            <div class="col col-auto"></div>
          </a>
        </li>                               
        <li>
          <a href="#" class="submit-add-to-quadmenu-column" data-menu_item_type="custom" data-menu_item_quadmenu="<?php echo htmlspecialchars(json_encode($w4w4w4), ENT_QUOTES, 'UTF-8'); ?>" data-menu_item_url="#column" data-menu_item_title="<?php esc_html_e('Column', 'quadmenu'); ?>" data-menu_item_parent=".quadmenu-columns" data-menu_item_parent_id="<?php echo esc_attr($menu_obj->ID); ?>">
            <div class="col col-auto"></div>
            <div class="col col-auto"></div>
            <div class="col col-auto"></div>
          </a>
        </li>                               
        <li>
          <a href="#" class="submit-add-to-quadmenu-column" data-menu_item_type="custom" data-menu_item_quadmenu="<?php echo htmlspecialchars(json_encode($w3w3w3w3), ENT_QUOTES, 'UTF-8'); ?>" data-menu_item_url="#column" data-menu_item_title="<?php esc_html_e('Column', 'quadmenu'); ?>" data-menu_item_parent=".quadmenu-columns" data-menu_item_parent_id="<?php echo esc_attr($menu_obj->ID); ?>">
            <div class="col col-auto"></div>
            <div class="col col-auto"></div>
            <div class="col col-auto"></div>
            <div class="col col-auto"></div>
          </a>
        </li>                               
        <li>
          <a href="#" class="submit-add-to-quadmenu-column" data-menu_item_type="custom" data-menu_item_quadmenu="<?php echo htmlspecialchars(json_encode($w2w2w2w2w2w2), ENT_QUOTES, 'UTF-8'); ?>" data-menu_item_url="#column" data-menu_item_title="<?php esc_html_e('Column', 'quadmenu'); ?>" data-menu_item_parent=".quadmenu-columns" data-menu_item_parent_id="<?php echo esc_attr($menu_obj->ID); ?>">
            <div class="col col-auto"></div>
            <div class="col col-auto"></div>
            <div class="col col-auto"></div>
            <div class="col col-auto"></div>
            <div class="col col-auto"></div>
            <div class="col col-auto"></div>
          </a>
        </li>                               
        <li>
          <a href="#" class="submit-add-to-quadmenu-column" data-menu_item_type="custom" data-menu_item_quadmenu="<?php echo htmlspecialchars(json_encode($w4w8), ENT_QUOTES, 'UTF-8'); ?>" data-menu_item_url="#column" data-menu_item_title="<?php esc_html_e('Column', 'quadmenu'); ?>" data-menu_item_parent=".quadmenu-columns" data-menu_item_parent_id="<?php echo esc_attr($menu_obj->ID); ?>">
            <div class="col col-4"></div>
            <div class="col col-8"></div>
          </a>
        </li>
        <li>
          <a href="#" class="submit-add-to-quadmenu-column" data-menu_item_type="custom" data-menu_item_quadmenu="<?php echo htmlspecialchars(json_encode($w3w6w3), ENT_QUOTES, 'UTF-8'); ?>" data-menu_item_url="#column" data-menu_item_title="<?php esc_html_e('Column', 'quadmenu'); ?>" data-menu_item_parent=".quadmenu-columns" data-menu_item_parent_id="<?php echo esc_attr($menu_obj->ID); ?>">
            <div class="col col-3"></div>
            <div class="col col-6"></div>
            <div class="col col-3"></div>
          </a>
        </li>                               
        <li>
          <a href="#" class="submit-add-to-quadmenu-column" data-menu_item_type="custom" data-menu_item_quadmenu="<?php echo htmlspecialchars(json_encode($w2w10), ENT_QUOTES, 'UTF-8'); ?>" data-menu_item_url="#column" data-menu_item_title="<?php esc_html_e('Column', 'quadmenu'); ?>" data-menu_item_parent=".quadmenu-columns" data-menu_item_parent_id="<?php echo esc_attr($menu_obj->ID); ?>">
            <div class="col col-2"></div>
            <div class="col col-10"></div>
          </a>
        </li>                               
        <li>
          <a href="#" class="submit-add-to-quadmenu-column" data-menu_item_type="custom" data-menu_item_quadmenu="<?php echo htmlspecialchars(json_encode($w2w8w2), ENT_QUOTES, 'UTF-8'); ?>" data-menu_item_url="#column" data-menu_item_title="<?php esc_html_e('Column', 'quadmenu'); ?>" data-menu_item_parent=".quadmenu-columns" data-menu_item_parent_id="<?php echo esc_attr($menu_obj->ID); ?>">
            <div class="col col-2"></div>
            <div class="col col-8"></div>
            <div class="col col-2"></div>
          </a>
        </li>
      </ul>
      <?php
      if (is_array($columns) && count($columns)) :
        foreach ($columns as $column):

          $column_obj = get_post($column['id']);


          $column_obj = QuadMenu::wp_setup_nav_menu_item($column['id']);


          if (!isset($column_obj->quadmenu) || $column_obj->quadmenu != 'column') {
            continue;
          }

          echo $this->column($column_obj, $menu_id);

        endforeach;
      endif;
      ?>
    </div>
    <?php
    return ob_get_clean();
  }

}

new QuadMenu_Nav_Menu_Column();