<?php
if(!class_exists('Helios_Menu_Walker'))
{
    class Helios_Menu_Walker extends Walker_Nav_Menu
    {
        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, $output );
        }
        public function start_el( &$output, $item, $depth = 0, $args = array(), $id = 0 ) {
            $indent = ( $depth ) ? str_repeat( "\t", $depth ) : '';

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

            /**
             * Filter the CSS class(es) applied to a menu item's list item element.
             *
             * @since 3.0.0
             * @since 4.1.0 The `$depth` parameter was added.
             *
             * @param array  $classes The CSS classes that are applied to the menu item's `<li>` element.
             * @param object $item    The current menu item.
             * @param array  $args    An array of {@see wp_nav_menu()} arguments.
             * @param int    $depth   Depth of menu item. Used for padding.
             */
            $class_names = join( ' ', apply_filters( 'nav_menu_css_class', array_filter( $classes ), $item, $args, $depth ) );
            $class_names = $class_names ? ' class="dropdown ' . esc_attr( $class_names ) . '"' : '';

            /**
             * Filter the ID applied to a menu item's list item element.
             *
             * @since 3.0.1
             * @since 4.1.0 The `$depth` parameter was added.
             *
             * @param string $menu_id The ID that is applied to the menu item's `<li>` element.
             * @param object $item    The current menu item.
             * @param array  $args    An array of {@see wp_nav_menu()} arguments.
             * @param int    $depth   Depth of menu item. Used for padding.
             */
            $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 : '';
            $atts['target'] = ! empty( $item->target )     ? $item->target     : '';
            $atts['rel']    = ! empty( $item->xfn )        ? $item->xfn        : '';
            $atts['href']   = ! empty( $item->url )        ? $item->url        : '';

            /**
             * Filter the HTML attributes applied to a menu item's anchor element.
             *
             * @since 3.6.0
             * @since 4.1.0 The `$depth` parameter was added.
             *
             * @param array $atts {
             *     The HTML attributes applied to the menu item's `<a>` element, empty strings are ignored.
             *
             *     @type string $title  Title attribute.
             *     @type string $target Target attribute.
             *     @type string $rel    The rel attribute.
             *     @type string $href   The href attribute.
             * }
             * @param object $item  The current menu item.
             * @param array  $args  An array of {@see wp_nav_menu()} arguments.
             * @param int    $depth Depth of menu item. Used for padding.
             */
            $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;
            if ( $args->has_children ) {
                $item_output .= '<a'. $attributes .' class=dropdown-toggle  data-toggle="dropdown" data-hover="dropdown" role="button" aria-haspopup="true" aria-expanded="false">';
            }else{
                $item_output .= '<a'. $attributes .'>';
            }
            /** This filter is documented in wp-includes/post-template.php */
            $item_output .= $args->link_before . apply_filters( 'the_title', $item->title, $item->ID ) . $args->link_after;

            if ( $args->has_children ) {
                $item_output .= ' <span class="caret"></span>';
            }

            $item_output .= '</a>';
            $item_output .= $args->after;

            /**
             * Filter a menu item's starting output.
             *
             * The menu item's starting output only includes `$args->before`, the opening `<a>`,
             * the menu item's title, the closing `</a>`, and `$args->after`. Currently, there is
             * no filter for modifying the opening and closing `<li>` for a menu item.
             *
             * @since 3.0.0
             *
             * @param string $item_output The menu item's starting HTML output.
             * @param object $item        Menu item data object.
             * @param int    $depth       Depth of menu item. Used for padding.
             * @param array  $args        An array of {@see wp_nav_menu()} arguments.
             */
            $output .= apply_filters( 'walker_nav_menu_start_el', $item_output, $item, $depth, $args );
        }

        /**
         * Ends the element output, if needed.
         *
         * @see Walker::end_el()
         *
         * @since 3.0.0
         *
         * @param string $output Passed by reference. Used to append additional content.
         * @param object $item   Page data object. Not used.
         * @param int    $depth  Depth of page. Not Used.
         * @param array  $args   An array of arguments. @see wp_nav_menu()
         */
        public function end_el( &$output, $item, $depth = 0, $args = array() ) {
            $output.= "</li>";
        }

        /**
         * Starts the list before the elements are added.
         *
         * @see Walker::start_lvl()
         *
         * @since 3.0.0
         *
         * @param string $output Passed by reference. Used to append additional content.
         * @param int    $depth  Depth of menu item. Used for padding.
         * @param array  $args   An array of arguments. @see wp_nav_menu()
         */
        public function start_lvl( &$output, $depth = 0, $args = array() ) {
            $indent = str_repeat("\t", $depth);
            $output .= "\n$indent<ul class=\"dropdown-menu\">\n";
        }

        /**
         * Ends the list of after the elements are added.
         *
         * @see Walker::end_lvl()
         *
         * @since 3.0.0
         *
         * @param string $output Passed by reference. Used to append additional content.
         * @param int    $depth  Depth of menu item. Used for padding.
         * @param array  $args   An array of arguments. @see wp_nav_menu()
         */
        public function end_lvl( &$output, $depth = 0, $args = array() ) {
            $indent = str_repeat("\t", $depth);
            $output .= "$indent</ul>\n";
        }

    }
}


if(!class_exists('Helios_Dl_Menu_Walker'))
{
    class Helios_Dl_Menu_Walker extends Walker_Nav_Menu
    {
        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, $output );
        }
        public function start_el( &$output, $item, $depth = 0, $args = array(), $id = 0 ) {
            $indent = ( $depth ) ? str_repeat( "\t", $depth ) : '';

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

            /**
             * Filter the CSS class(es) applied to a menu item's list item element.
             *
             * @since 3.0.0
             * @since 4.1.0 The `$depth` parameter was added.
             *
             * @param array  $classes The CSS classes that are applied to the menu item's `<li>` element.
             * @param object $item    The current menu item.
             * @param array  $args    An array of {@see wp_nav_menu()} arguments.
             * @param int    $depth   Depth of menu item. Used for padding.
             */
            $class_names = join( ' ', apply_filters( 'nav_menu_css_class', array_filter( $classes ), $item, $args, $depth ) );
            $class_names = $class_names ? ' class="dropdown ' . esc_attr( $class_names ) . '"' : '';

            /**
             * Filter the ID applied to a menu item's list item element.
             *
             * @since 3.0.1
             * @since 4.1.0 The `$depth` parameter was added.
             *
             * @param string $menu_id The ID that is applied to the menu item's `<li>` element.
             * @param object $item    The current menu item.
             * @param array  $args    An array of {@see wp_nav_menu()} arguments.
             * @param int    $depth   Depth of menu item. Used for padding.
             */
            $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 : '';
            $atts['target'] = ! empty( $item->target )     ? $item->target     : '';
            $atts['rel']    = ! empty( $item->xfn )        ? $item->xfn        : '';
            $atts['href']   = ! empty( $item->url )        ? $item->url        : '';

            /**
             * Filter the HTML attributes applied to a menu item's anchor element.
             *
             * @since 3.6.0
             * @since 4.1.0 The `$depth` parameter was added.
             *
             * @param array $atts {
             *     The HTML attributes applied to the menu item's `<a>` element, empty strings are ignored.
             *
             *     @type string $title  Title attribute.
             *     @type string $target Target attribute.
             *     @type string $rel    The rel attribute.
             *     @type string $href   The href attribute.
             * }
             * @param object $item  The current menu item.
             * @param array  $args  An array of {@see wp_nav_menu()} arguments.
             * @param int    $depth Depth of menu item. Used for padding.
             */
            $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;
            if ( $args->has_children ) {
                $item_output .= '<a'. $attributes .' >';
            }else{
                $item_output .= '<a'. $attributes .'>';
            }
            /** This filter is documented in wp-includes/post-template.php */
            $item_output .= $args->link_before . apply_filters( 'the_title', $item->title, $item->ID ) . $args->link_after;

            if ( $args->has_children ) {
                $item_output .= ' ';
            }

            $item_output .= '</a>';
            $item_output .= $args->after;

            /**
             * Filter a menu item's starting output.
             *
             * The menu item's starting output only includes `$args->before`, the opening `<a>`,
             * the menu item's title, the closing `</a>`, and `$args->after`. Currently, there is
             * no filter for modifying the opening and closing `<li>` for a menu item.
             *
             * @since 3.0.0
             *
             * @param string $item_output The menu item's starting HTML output.
             * @param object $item        Menu item data object.
             * @param int    $depth       Depth of menu item. Used for padding.
             * @param array  $args        An array of {@see wp_nav_menu()} arguments.
             */
            $output .= apply_filters( 'walker_nav_menu_start_el', $item_output, $item, $depth, $args );
        }

        /**
         * Ends the element output, if needed.
         *
         * @see Walker::end_el()
         *
         * @since 3.0.0
         *
         * @param string $output Passed by reference. Used to append additional content.
         * @param object $item   Page data object. Not used.
         * @param int    $depth  Depth of page. Not Used.
         * @param array  $args   An array of arguments. @see wp_nav_menu()
         */
        public function end_el( &$output, $item, $depth = 0, $args = array() ) {
            $output.= "</li>";
        }

        /**
         * Starts the list before the elements are added.
         *
         * @see Walker::start_lvl()
         *
         * @since 3.0.0
         *
         * @param string $output Passed by reference. Used to append additional content.
         * @param int    $depth  Depth of menu item. Used for padding.
         * @param array  $args   An array of arguments. @see wp_nav_menu()
         */
        public function start_lvl( &$output, $depth = 0, $args = array() ) {
            $indent = str_repeat("\t", $depth);
            $output .= "\n$indent<ul class=\"dl-submenu\">\n";
        }

        /**
         * Ends the list of after the elements are added.
         *
         * @see Walker::end_lvl()
         *
         * @since 3.0.0
         *
         * @param string $output Passed by reference. Used to append additional content.
         * @param int    $depth  Depth of menu item. Used for padding.
         * @param array  $args   An array of arguments. @see wp_nav_menu()
         */
        public function end_lvl( &$output, $depth = 0, $args = array() ) {
            $indent = str_repeat("\t", $depth);
            $output .= "$indent</ul>\n";
        }

    }
}