<?php

/**

 * Class Name: wp_bootstrap_navwalker

 * GitHub URI: https://github.com/twittem/wp-bootstrap-navwalker

 * Description: A custom WordPress nav walker class to implement the Bootstrap 3 navigation style in a custom theme using the WordPress built in menu manager.

 * Version: 2.0.4

 * Author: Edward McIntyre - @twittem

 * License: GPL-2.0+

 * License URI: http://www.gnu.org/licenses/gpl-2.0.txt

 */

class best_charity_navwalker extends Walker_Nav_Menu {


public function start_lvl( &$output, $depth = 0, $args = array() ) {
  $indent  = str_repeat( "\t", $depth );
  $output .= "\n$indent<ul role=\"menu\" class=\"dropdown-menu\" >\n";
}

public function start_el( &$output, $item, $depth = 0, $args = array(), $id = 0 ) {
  $indent = ( $depth ) ? str_repeat( "\t", $depth ) : '';
 
  if ( 0 === strcasecmp( $item->attr_title, 'divider' ) && 1 === $depth ) {
    $output .= $indent . '<li role="presentation" class="divider">';
  } elseif ( 0 === strcasecmp( $item->title, 'divider' ) && 1 === $depth ) {
    $output .= $indent . '<li role="presentation" class="divider">';
  } elseif ( 0 === strcasecmp( $item->attr_title, 'dropdown-header' ) && 1 === $depth ) {
    $output .= $indent . '<li role="presentation" class="dropdown-header">' . esc_attr( $item->title );
  } elseif ( 0 === strcasecmp( $item->attr_title, 'disabled' ) ) {
    $output .= $indent . '<li role="presentation" class="disabled"><a href="#" class="">' . esc_attr( $item->title ) . '</a>';
  } else {
    $value       = '';
    $class_names = $value;
    $classes     = empty( $item->classes ) ? array() : (array) $item->classes;
    $classes[]   = 'nav-item'.' '.'menu-item-'.$item->ID;
    $class_names = join( ' ', apply_filters( 'nav_menu_css_class', array_filter( $classes ), $item, $args, $depth ) );
    if ( $args->has_children ) {
      if ( has_nav_menu( 'categories' ) ) {
        $class_names .= ' dropdown dropright';
      }
      else
      {
       $class_names .= ' dropdown'; 
     }
   }
   if ( in_array( 'current-menu-item', $classes, true ) ) {
    $class_names .= ' active';
  }
  $class_names = $class_names ? ' class="' . esc_attr( $class_names ) . '"' : '';
  $id          = apply_filters( 'nav_menu_item_id', 'menu-item-' . $item->ID, $item, $args );
  $id          = $id ? ' id="' . esc_attr( $id ) . '"' : '';
  $output     .= $indent . '<li itemscope="itemscope" itemtype="https://www.schema.org/SiteNavigationElement"' . $id . $value . $class_names . '>';
  $atts        = array();
  if ( empty( $item->attr_title ) ) {
    $atts['title'] = ! empty( $item->title ) ? strip_tags( $item->title ) : '';
  } else {
    $atts['title'] = $item->attr_title;
  }
  $atts['target'] = ! empty( $item->target ) ? $item->target : '';
  $atts['rel']    = ! empty( $item->xfn ) ? $item->xfn : '';
    // If item has_children add atts to a.
  if ( $args->has_children && 0 === $depth ) {
    $atts['href']          = '#';
    $atts['data-toggle']   = 'dropdown-toggle';
    $atts['class']         = 'nav-link';
    $atts['aria-haspopup'] = 'true';
  } 
  if ( $depth > 0 ) {
    $atts['href']          = ! empty( $item->url ) ? $item->url : '';
    $atts['data-toggle']   = '';
    $atts['class']         = 'dropdown-item';
    $atts['aria-haspopup'] = 'true';
  }
  else {
    $atts['href'] = ! empty( $item->url ) ? $item->url : '';
  }
  $atts       = apply_filters( 'nav_menu_link_attributes', $atts, $item, $args );
  $attributes = '';
  foreach ( $atts as $attr => $value ) {
    if ( ! empty( $value ) ) {
      $value       = ( 'href' === $attr ) ? esc_url( $value ) : esc_attr( $value );
      $attributes .= ' ' . $attr . '="' . $value . '"';
    }
  }
  $item_output = $args->before;

    if ( ! empty( $item->attr_title ) ) {
      $pos = strpos( esc_attr( $item->attr_title ), 'glyphicon' );
      if ( false !== $pos ) {
        $item_output .= '<a' . $attributes . '><span class="glyphicon ' . esc_attr( $item->attr_title ) . '" aria-hidden="true"></span>&nbsp;';
      } else {
        $item_output .= '<a' . $attributes . '><i class="fa ' . esc_attr( $item->attr_title ) . '" aria-hidden="true"></i>&nbsp;';
      }
    } else {
      $item_output .= '<a' . $attributes . ' class="nav-link">';
    }
    $item_output .= $args->link_before . apply_filters( 'the_title', $item->title, $item->ID ) . $args->link_after;
    $item_output .= ( $args->has_children && 0 === $depth ) ? '</a>' : '</a>';
    $item_output .= $args->after;
    $output      .= apply_filters( 'walker_nav_menu_start_el', $item_output, $item, $depth, $args );
  } // End if().
}
  
public function display_element( $element, &$children_elements, $max_depth, $depth, $args, &$output ) {
  if ( ! $element ) {
    return; 
  }
  $id_field = $this->db_fields['id'];
  if ( is_object( $args[0] ) ) {
    $args[0]->has_children = ! empty( $children_elements[ $element->$id_field ] ); 
  }
  parent::display_element( $element, $children_elements, $max_depth, $depth, $args, $output );
}
  
public static function fallback( $args ) {
  if ( current_user_can( 'edit_theme_options' ) ) {
  $container       = $args['container'];
  $container_id    = $args['container_id'];
  $container_class = $args['container_class'];
  $menu_class      = $args['menu_class'];
  $menu_id         = $args['menu_id'];
  if ( $container ) {
    echo '<' . esc_attr( $container );
    if ( $container_id ) {
      echo ' id="' . esc_attr( $container_id ) . '"';
    }
    if ( $container_class ) {
      echo ' class="' . esc_attr( $container_class ) . '"'; }
      echo '>';
    }
  echo '<ul';
  if ( $menu_id ) {
    echo ' id="' . esc_attr( $menu_id ) . '"'; 
    }
    if ( $menu_class ) {
      echo ' class="' . esc_attr( $menu_class ) . '"'; 
    }
    echo '>';
    echo '<li><a href="' . esc_url( admin_url( 'nav-menus.php' ) ) . '" title="">' . esc_attr( 'Add a menu', '' ) . '</a></li>';
    echo '</ul>';
    if ( $container ) {
      echo '</' . esc_attr( $container ) . '>'; }
    }
  } 
}