<?php
/**
 * Felynx Forest custom walkers
 *
 * @package Felynx_Forest
 * @since Felynx Forest 2.2
 */

class Felynx_Social_Walker extends Walker_Nav_Menu {
	// In the social walker, we change the default attributes of the a elements
	function start_el( &$output, $item, $depth = 0, $args = array(), $id = 0 ) {
		$indent = ( $depth ) ? str_repeat( "\t", $depth ) : '';

		$classes = empty( $item->classes ) ? array() : (array) $item->classes;
		$classes[] = 'menu-item-' . $item->ID;

		$class_names = join( ' ', apply_filters( 'nav_menu_css_class', array_filter( $classes ), $item, $args, $depth ) );
		$class_names = $class_names ? ' class="' . esc_attr( $class_names ) . '"' : '';

		$id = apply_filters( 'nav_menu_item_id', 'menu-item-'. $item->ID, $item, $args, $depth );
		$id = $id ? ' id="' . esc_attr( $id ) . '"' : '';

		$output .= $indent . '<li' . $id . $class_names .'>';

		$atts = array();
		$atts['title']  = ! empty( $item->attr_title ) ? $item->attr_title : $item->title; // modification 1
		$atts['target'] = ! empty( $item->target )     ? $item->target     : '_blank'; // modification 2
		$atts['rel']    = ! empty( $item->xfn )        ? $item->xfn        : 'nofollow'; // modification 3
		$atts['href']   = ! empty( $item->url )        ? $item->url        : '';
		$atts = apply_filters( 'nav_menu_link_attributes', $atts, $item, $args, $depth );

		$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;
		$item_output .= '<a'. $attributes .'>';
		$item_output .= $args->link_before . apply_filters( 'the_title', $item->title, $item->ID ) . $args->link_after;
		$item_output .= '</a>';
		$item_output .= $args->after;

		$output .= apply_filters( 'walker_nav_menu_start_el', $item_output, $item, $depth, $args );
	}
}