289 lines
9.0 KiB
PHP
289 lines
9.0 KiB
PHP
<?php
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if ( ! defined( 'ABSPATH' ) ) {
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exit; // disable direct access
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}
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if ( ! class_exists( 'Mega_Menu_Walker' ) ) :
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/**
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* @package WordPress
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* @since 1.0.0
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* @uses Walker
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*/
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class Mega_Menu_Walker extends Walker_Nav_Menu {
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private $currentItem;
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/**
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* Starts the list before the elements are added.
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*
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* @see Walker::start_lvl()
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*
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* @since 1.0
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*
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* @param string $output Passed by reference. Used to append additional content.
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* @param int $depth Depth of menu item. Used for padding.
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* @param array $args An array of arguments. @see wp_nav_menu()
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*/
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function start_lvl( &$output, $depth = 0, $args = array() ) {
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$style = "";
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$role = "";
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$id_attr = "";
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if ( $this->currentItem !== null ) {
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$id = $this->currentItem->ID;
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$classes = $this->currentItem->classes;
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if ( is_array( $classes ) && in_array( 'menu-row', $classes ) ) {
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if ( isset( $this->currentItem->styles ) && count( $this->currentItem->styles ) ) {
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$style = " style='" . esc_attr( implode( "; ", $this->currentItem->styles ) ) . "'";
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}
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}
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if ( is_array($classes) && array_intersect( array('menu-row', 'menu-grid'), $classes ) ) {
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$role = " role='presentation'";
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}
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if ( is_array($classes) && ! array_intersect( array('menu-row', 'menu-column'), $classes ) ) {
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$id_attr = " id='mega-sub-menu-{$id}'";
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}
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}
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$indent = str_repeat( "\t", $depth );
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$output .= "\n$indent<ul class=\"mega-sub-menu\"{$style}{$role}{$id_attr}>\n";
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}
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/**
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* Ends the list of after the elements are added.
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*
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* @see Walker::end_lvl()
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*
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* @since 1.0
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*
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* @param string $output Passed by reference. Used to append additional content.
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* @param int $depth Depth of menu item. Used for padding.
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* @param array $args An array of arguments. @see wp_nav_menu()
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*/
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function end_lvl( &$output, $depth = 0, $args = array() ) {
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$indent = str_repeat( "\t", $depth );
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$output .= "$indent</ul>\n";
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}
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/**
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* Custom walker. Add the widgets into the menu.
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*
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* @see Walker::start_el()
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*
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* @since 1.0
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*
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* @param string $output Passed by reference. Used to append additional content.
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* @param object $item Menu item data object.
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* @param int $depth Depth of menu item. Used for padding.
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* @param array $args An array of arguments. @see wp_nav_menu()
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* @param int $id Current item ID.
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*/
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function start_el( &$output, $item, $depth = 0, $args = array(), $id = 0 ) {
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$this->currentItem = $item;
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$indent = ( $depth ) ? str_repeat( "\t", $depth ) : '';
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if ( property_exists( $item, 'megamenu_settings' ) ) {
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$settings = $item->megamenu_settings;
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} else {
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$settings = Mega_Menu_Nav_Menus::get_menu_item_defaults();
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}
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// Item Class
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$classes = empty( $item->classes ) ? array() : (array) $item->classes;
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$styles = empty( $item->styles ) ? array() : (array) $item->styles;
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if ( is_array( $classes ) && ! in_array( 'menu-column', $classes ) && ! in_array( 'menu-row', $classes ) ) {
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$classes[] = 'menu-item-' . $item->ID;
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}
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// remove style attribute from rows
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if ( is_array( $classes ) && in_array( 'menu-row', $classes ) ) {
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$styles = array();
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}
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$class = join( ' ', apply_filters( 'megamenu_nav_menu_css_class', array_filter( $classes ), $item, $args ) );
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$style = join( '; ', apply_filters( 'megamenu_nav_menu_css_style', array_filter( $styles ), $item, $args ) );
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// these classes are prepended with 'mega-'
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$mega_classes = explode( ' ', $class );
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// strip widget classes back to how they're intended to be output
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$class = str_replace( 'mega-menu-widget-class-', '', $class );
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// Item ID
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if ( is_array( $classes ) && ! in_array( 'menu-column', $classes ) && ! in_array( 'menu-row', $classes ) ) {
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$id = "mega-menu-item-{$item->ID}";
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} else {
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$id = "mega-menu-{$item->ID}";
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}
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$id = esc_attr( apply_filters( 'megamenu_nav_menu_item_id', $id, $item, $args ) );
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$list_item_attributes = array(
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'class' => $class,
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'style' => $style,
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'id' => $id
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);
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$attributes = '';
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foreach ( $list_item_attributes as $attr => $value ) {
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if ( strlen( $value ) ) {
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$attributes .= ' ' . $attr . '="' . esc_attr($value) . '"';
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}
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}
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$output .= '<li' . $attributes . '>';
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// output the widgets
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if ( $item->type == 'widget' ) {
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if ( $item->content ) {
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$item_output = $item->content;
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} else {
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$item_output = "<!-- widget is empty -->";
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}
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//} else if ( 'block' === $item->type ) {
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// /** This filter is documented in wp-includes/post-template.php */
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// $item_output = apply_filters( 'the_content', $item->content );
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} else {
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$atts = array();
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$atts['title'] = ! empty( $item->attr_title ) ? $item->attr_title : '';
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$atts['target'] = ! empty( $item->target ) ? $item->target : '';
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$atts['class'] = '';
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$atts['rel'] = ! empty( $item->xfn ) ? $item->xfn : '';
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$atts['href'] = ! empty( $item->url ) ? $item->url : '';
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if ( isset( $settings['disable_link'] ) && $settings['disable_link'] == 'true' ) {
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unset( $atts['href'] );
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$atts['tabindex'] = "0";
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}
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if ( isset( $settings['icon'] ) && $settings['icon'] != 'disabled' && $settings['icon'] != 'custom' ) {
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$atts['class'] = $settings['icon'];
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}
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if ( isset( $settings['icon'] ) && $settings['icon'] == 'custom' ) {
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$atts['class'] = 'mega-custom-icon';
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}
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if ( is_array( $classes ) && in_array( 'menu-item-has-children', $classes ) && ( $item->parent_submenu_type == 'flyout' || $item->parent_submenu_type == 'tabbed') ) {
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$atts['aria-expanded'] = 'false';
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$atts['aria-controls'] = 'mega-sub-menu-' . $item->ID;
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if ( is_array( $mega_classes ) && in_array( 'mega-toggle-on', $mega_classes ) ) {
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$atts['aria-expanded'] = 'true';
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}
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if ( isset( $settings['disable_link'] ) && $settings['disable_link'] == 'true' ) {
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$atts['role'] = 'button';
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}
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}
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if ( is_array( $classes ) && in_array( 'current-menu-item', $classes ) ) {
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$atts['aria-current'] = 'page';
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}
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if ( isset( $settings['hide_text'] ) && $settings['hide_text'] == 'true' ) {
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$atts['aria-label'] = $item->title;
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}
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$atts = apply_filters( 'megamenu_nav_menu_link_attributes', $atts, $item, $args );
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if ( isset( $atts['class'] ) && strlen( $atts['class'] ) ) {
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$atts['class'] = $atts['class'] . ' mega-menu-link';
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} else {
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$atts['class'] = 'mega-menu-link';
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}
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$attributes = '';
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foreach ( $atts as $attr => $value ) {
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if ( strlen( $value ) ) {
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$value = ( 'href' === $attr ) ? esc_url( $value ) : esc_attr( $value );
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$attributes .= ' ' . $attr . '="' . $value . '"';
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}
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}
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$item_output = $args->before;
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$item_output .= '<a' . $attributes . '>';
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if ( is_array( $classes ) && in_array( 'icon-top', $classes ) ) {
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$item_output .= "<span class='mega-title-below'>";
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}
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if ( isset( $settings['hide_text'] ) && $settings['hide_text'] == 'true' ) {
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/**
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* This filter is documented in wp-includes/post-template.php
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*/
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} elseif ( property_exists( $item, 'mega_description' ) && strlen( $item->mega_description ) ) {
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$item_output .= '<span class="mega-description-group"><span class="mega-menu-title">' . $args->link_before . apply_filters( 'megamenu_the_title', $item->title, $item->ID ) . $args->link_after . '</span><span class="mega-menu-description">' . $item->description . '</span></span>';
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} else {
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$item_output .= $args->link_before . apply_filters( 'megamenu_the_title', $item->title, $item->ID ) . $args->link_after;
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}
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if ( is_array( $classes ) && in_array( 'icon-top', $classes ) ) {
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$item_output .= '</span>';
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}
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if ( is_array( $classes ) && in_array( 'menu-item-has-children', $classes ) ) {
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$item_output .= '<span class="mega-indicator"';
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$indicator_atts = array();
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$indicator_atts['aria-hidden'] = 'true';
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$indicator_atts = apply_filters( 'megamenu_indicator_atts', $indicator_atts, $item, $args, $mega_classes );
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foreach ( $indicator_atts as $attr => $value ) {
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if ( strlen( $value ) ) {
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$item_output .= ' ' . $attr . '="' . esc_attr( $value ) . '"';
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}
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}
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$item_output .= "></span>";
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}
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$item_output .= '</a>';
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$item_output .= $args->after;
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if ( is_array( $classes ) && ( in_array( 'menu-column', $classes ) || in_array( 'menu-row', $classes ) ) ) {
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$item_output = '';
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}
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}
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$output .= apply_filters( 'megamenu_walker_nav_menu_start_el', $item_output, $item, $depth, $args );
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}
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/**
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* Ends the element output, if needed.
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*
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* @see Walker::end_el()
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*
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* @since 1.7
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*
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* @param string $output Passed by reference. Used to append additional content.
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* @param object $item Page data object. Not used.
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* @param int $depth Depth of page. Not Used.
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* @param array $args An array of arguments. @see wp_nav_menu()
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*/
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public function end_el( &$output, $item, $depth = 0, $args = array() ) {
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$output .= '</li>'; // remove new line to remove the 4px gap between menu items
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}
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}
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endif;
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