<?php

if ( ! class_exists( 'OazaMikadoClassStickyNavigationWalker' ) ) {
	class OazaMikadoClassStickyNavigationWalker extends Walker_Nav_Menu {

		// add classes to ul sub-menus
		function display_element( $element, &$children_elements, $max_depth, $depth = 0, $args, &$output ) {
			$id_field = $this->db_fields['id'];
			if ( is_object( $args[0] ) ) {
				$args[0]->has_children = ! empty( $children_elements[ $element->$id_field ] );
			}

			return parent::display_element( $element, $children_elements, $max_depth, $depth, $args, $output );
		}

		function start_lvl( &$output, $depth = 0, $args = array() ) {

			$indent = str_repeat( "\t", $depth );
			if ( $depth == 0 ) {
				$out_div = '<div class="second"><div class="inner">';
			} else {
				$out_div = '';
			}

			// build html
			$output .= "\n" . $indent . $out_div . '<ul>' . "\n";
		}

		function end_lvl( &$output, $depth = 0, $args = array() ) {
			$indent = str_repeat( "\t", $depth );

			if ( $depth == 0 ) {
				$out_div_close = '</div></div>';
			} else {
				$out_div_close = '';
			}

			$output .= "$indent</ul>" . $out_div_close . "\n";
		}

		// add main/sub classes to li's and links
		function start_el( &$output, $item, $depth = 0, $args = array(), $id = 0 ) {

			$sub    = "";
			$indent = ( $depth > 0 ? str_repeat( "\t", $depth ) : '' ); // code indent
			if ( $depth == 0 && $args->has_children ) :
				$sub = ' has_sub';
			endif;
			if ( $depth == 1 && $args->has_children ) :
				$sub = 'sub';
			endif;

			// passed classes
			$classes = empty( $item->classes ) ? array() : (array) $item->classes;

			$class_names = esc_attr( implode( ' ', apply_filters( 'nav_menu_css_class', array_filter( $classes ), $item ) ) );

			//menu type class
			$menu_type = "";
			if ( $depth == 0 ) {
				if ( $item->type_menu == "wide" ) {
					$menu_type = " wide";
				} else {
					$menu_type = " narrow";
				}
			}

			//wide menu position class
			$wide_menu_position = "";
			if ( $depth == 0 ) {
				if ( $item->wide_position == "right" ) {
					$wide_menu_position = " right_position";
				} elseif ( $item->wide_position == "left" ) {
					$wide_menu_position = " left_position";
				} else {
					$wide_menu_position = "";
				}
			}

			$anchor = '';
			if ( $item->anchor != "" ) {
				$anchor      = '#' . esc_attr( $item->anchor );
				$class_names .= ' anchor-item';
			}

			$active = "";
			// depth dependent classes
			if ( $item->anchor == "" && ( ( $item->current && $depth == 0 ) || ( $item->current_item_ancestor && $depth == 0 ) ) ):
				$active = 'mkdf-active-item';
			endif;

			// build html
			$output .= $indent . '<li id="sticky-nav-menu-item-' . $item->ID . '" class="' . $class_names . ' ' . $active . $sub . $menu_type . $wide_menu_position . '">';

			$current_a = "";
			// link attributes
			$attributes = ! empty( $item->attr_title ) ? ' title="' . esc_attr( $item->attr_title ) . '"' : '';
			$attributes .= ! empty( $item->target ) ? ' target="' . esc_attr( $item->target ) . '"' : '';
			$attributes .= ! empty( $item->xfn ) ? ' rel="' . esc_attr( $item->xfn ) . '"' : '';
			$attributes .= ' href="' . esc_url( $item->url ) . $anchor . '"';
			if ( ( $item->current && $depth == 0 ) || ( $item->current_item_ancestor && $depth == 0 ) ):
				$current_a .= ' current ';
			endif;

			$no_link_class = '';
			if ( $item->nolink != '' ) {
				$no_link_class = ' no_link';
			}

			$attributes  .= ' class="' . $current_a . $no_link_class . '"';
			$item_output = $args->before;
			if ( $item->hide == "" ) {
				if ( $item->nolink == "" ) {
					$item_output .= '<a' . $attributes . '><span class="item_outer">';
				} else {
					$item_output .= '<a' . $attributes . ' onclick="JavaScript: return false;"><span class="item_outer">';
				}

				$icon = '';
				if ( $item->icon !== "" && $item->icon !== 'null' ) {
					$icon = $item->icon;
				}

				$icon_pack = 'font_awesome';

				if ( empty( $this->icon_pack ) ) {
					$item->icon_pack = $icon_pack;
				}

				if ( $icon !== '' ) {
					if ( $item->icon_pack == 'font_awesome' ) {
						$icon .= ' fa';
					}

					$item_output .= '<span class="menu_icon_wrapper"><i class="menu_icon ' . $icon . '"></i></span>';
				}

				$item_output .= '<span class="item_text">';
				$item_output .= apply_filters( 'the_title', $item->title, $item->ID );

				$featured_icon = '';
				if ( $item->featured_icon !== "" ) {
					$featured_icon .= '<i class="mkdf-menu-featured-icon fa ' . $item->featured_icon . '"></i>';
				}

				$item_output .= $featured_icon;

				$item_output .= '</span>'; //close span.item_text
				$item_output .= '<span class="plus"></span>';

				//append arrow for dropdown

				if ( $args->has_children && $depth == 0 ) {
					$item_output .= '<i class="mkdf-menu-arrow fa fa-angle-down"></i>';
				}

				$item_output .= '</span></a>';
			}

			if ( $item->sidebar != "" && $depth > 0 ) {
				ob_start();
				dynamic_sidebar( $item->sidebar );
				$sidebar_content = ob_get_contents();
				ob_end_clean();
				$item_output .= $sidebar_content;
			}

			$item_output .= $args->after;

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