418 lines
14 KiB
PHP
418 lines
14 KiB
PHP
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<?php
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/**
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* Custom wp_nav_menu walker.
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*
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* @package OceanWP WordPress theme
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*/
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if ( ! class_exists( 'OceanWP_Custom_Nav_Walker' ) ) {
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class OceanWP_Custom_Nav_Walker extends Walker_Nav_Menu {
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/**
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* Middle logo menu breaking point
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*
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* @access private
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* @var init
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*/
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private $break_point = null;
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/**
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* Middle logo menu number of top level items displayed
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*
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* @access private
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* @var init
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*/
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private $displayed = 0;
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/**
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* Starts the list before the elements are added.
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*
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* @since 3.0.0
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*
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* @see Walker::start_lvl()
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*
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* @param string $output Used to append additional content (passed by reference).
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* @param int $depth Depth of menu item. Used for padding.
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* @param stdClass $args An object of wp_nav_menu() arguments.
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*/
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public function start_lvl( &$output, $depth = 0, $args = null ) {
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$indent = str_repeat( "\t", $depth );
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// Megamenu columns
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$col = ! empty( $this->megamenu_col ) ? ( 'col-' . $this->megamenu_col . '' ) : 'col-2';
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if ( $depth === 0 && $this->megamenu != '' && 'full_screen' != oceanwp_header_style() && 'vertical' != oceanwp_header_style() ) {
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$output .= "\n$indent<ul class=\"megamenu " . $col . " sub-menu\">\n";
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} else {
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$output .= "\n$indent<ul class=\"sub-menu\">\n";
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}
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}
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/**
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* Starts the element output.
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*
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* @since 3.0.0
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* @since 4.4.0 The {@see 'nav_menu_item_args'} filter was added.
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*
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* @see Walker::start_el()
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*
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* @param string $output Used to append additional content (passed by reference).
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* @param WP_Post $item Menu item data object.
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* @param int $depth Depth of menu item. Used for padding.
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* @param stdClass $args An object of wp_nav_menu() arguments.
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* @param int $id Current item ID.
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*/
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public function start_el( &$output, $item, $depth = 0, $args = null, $id = 0 ) {
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$args = (object) $args;
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global $wp_query;
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$indent = ( $depth ) ? str_repeat( "\t", $depth ) : '';
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// Set some vars
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if ( $depth === 0 ) {
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$this->megamenu = get_post_meta( $item->ID, '_menu_item_megamenu', true );
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$this->megamenu_auto_width = get_post_meta( $item->ID, '_menu_item_megamenu_auto_width', true );
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$this->megamenu_col = get_post_meta( $item->ID, '_menu_item_megamenu_col', true );
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$this->megamenu_heading = get_post_meta( $item->ID, '_menu_item_megamenu_heading', true );
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}
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// Set up empty variable.
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$class_names = '';
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$classes = empty( $item->classes ) ? array() : (array) $item->classes;
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$classes[] = 'menu-item-' . $item->ID;
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// Mega menu and Hide headings
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if ( $depth === 0 && $this->has_children && 'vertical' != oceanwp_header_style() ) {
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if ( $this->megamenu != '' && $this->megamenu_auto_width == '' ) {
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$classes[] = 'megamenu-li full-mega';
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} elseif ( $this->megamenu != '' && $this->megamenu_auto_width != '' ) {
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$classes[] = 'megamenu-li auto-mega';
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}
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if ( $this->megamenu != '' && $this->megamenu_heading != '' ) {
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$classes[] = 'hide-headings';
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}
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}
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// Latest post for menu item categories
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if ( $item->category_post != '' && $item->object == 'category' && 'vertical' != oceanwp_header_style() ) {
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$classes[] = 'menu-item-has-children megamenu-li full-mega mega-cat';
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}
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// Nav no click
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if ( $item->nolink != '' ) {
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$classes[] = 'nav-no-click';
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}
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/**
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* Filters the arguments for a single nav menu item.
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*
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* @since 4.4.0
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*
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* @param stdClass $args An object of wp_nav_menu() arguments.
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* @param WP_Post $item Menu item data object.
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* @param int $depth Depth of menu item. Used for padding.
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*/
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$args = apply_filters( 'nav_menu_item_args', $args, $item, $depth );
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/**
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* Filters the CSS class(es) applied to a menu item's list item element.
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*
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* @since 3.0.0
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* @since 4.1.0 The `$depth` parameter was added.
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*
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* @param array $classes The CSS classes that are applied to the menu item's `<li>` element.
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* @param WP_Post $item The current menu item.
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* @param stdClass $args An object of wp_nav_menu() arguments.
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* @param int $depth Depth of menu item. Used for padding.
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*/
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$class_names = join( ' ', apply_filters( 'nav_menu_css_class', array_filter( $classes ), $item, $args, $depth ) );
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$class_names = $class_names ? ' class="' . esc_attr( $class_names ) . '"' : '';
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/**
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* Filters the ID applied to a menu item's list item element.
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*
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* @since 3.0.1
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* @since 4.1.0 The `$depth` parameter was added.
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*
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* @param string $menu_id The ID that is applied to the menu item's `<li>` element.
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* @param WP_Post $item The current menu item.
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* @param stdClass $args An object of wp_nav_menu() arguments.
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* @param int $depth Depth of menu item. Used for padding.
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*/
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$id = apply_filters( 'nav_menu_item_id', 'menu-item-' . $item->ID, $item, $args, $depth );
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$id = $id ? ' id="' . esc_attr( $id ) . '"' : '';
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$output .= $indent . '<li' . $id . $class_names . '>';
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$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['rel'] = ! empty( $item->xfn ) ? $item->xfn : '';
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$atts['href'] = ! empty( $item->url ) ? $item->url : '';
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/**
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* Filters the HTML attributes applied to a menu item's anchor element.
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*
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* @since 3.6.0
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* @since 4.1.0 The `$depth` parameter was added.
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*
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* @param array $atts {
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* The HTML attributes applied to the menu item's `<a>` element, empty strings are ignored.
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*
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* @type string $title Title attribute.
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* @type string $target Target attribute.
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* @type string $rel The rel attribute.
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* @type string $href The href attribute.
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* }
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* @param WP_Post $item The current menu item.
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* @param stdClass $args An object of wp_nav_menu() arguments.
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* @param int $depth Depth of menu item. Used for padding.
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*/
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$atts = apply_filters( 'nav_menu_link_attributes', $atts, $item, $args, $depth );
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$attributes = '';
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foreach ( $atts as $attr => $value ) {
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if ( ! empty( $value ) ) {
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$value = ( 'href' === $attr ) ? esc_url( $value ) : esc_attr( $value );
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$attributes .= ' ' . $attr . '="' . $value . '"';
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}
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}
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/** This filter is documented in wp-includes/post-template.php */
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$title = apply_filters( 'the_title', $item->title, $item->ID );
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/**
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* Filters a menu item's title.
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*
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* @since 4.4.0
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*
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* @param string $title The menu item's title.
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* @param WP_Post $item The current menu item.
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* @param stdClass $args An object of wp_nav_menu() arguments.
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* @param int $depth Depth of menu item. Used for padding.
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*/
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$title = apply_filters( 'nav_menu_item_title', $title, $item, $args, $depth );
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// Output
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$item_output = $args->before;
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$item_output .= '<a' . $attributes . ' class="menu-link">';
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$item_output .= $args->link_before . $title . $args->link_after;
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// Description
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if ( $item->description && 0 != $depth ) {
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$item_output .= '<span class="nav-content">' . $item->description . '</span>';
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}
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$item_output .= '</a>';
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if ( ( $item->template || $item->mega_template ) && $this->megamenu != '' && 'vertical' != oceanwp_header_style() ) {
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ob_start();
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include OCEANWP_INC_DIR . 'walker/template.php';
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$template_content = ob_get_contents();
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ob_end_clean();
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$item_output .= $template_content;
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}
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if ( $item->megamenu_widgetarea && $this->megamenu != '' && 'vertical' != oceanwp_header_style() ) {
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ob_start();
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dynamic_sidebar( $item->megamenu_widgetarea );
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$sidebar_content = ob_get_contents();
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ob_end_clean();
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$item_output .= $sidebar_content;
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}
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$item_output .= $args->after;
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/**
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* Filters a menu item's starting output.
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*
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* The menu item's starting output only includes `$args->before`, the opening `<a>`,
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* the menu item's title, the closing `</a>`, and `$args->after`. Currently, there is
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* no filter for modifying the opening and closing `<li>` for a menu item.
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*
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* @since 3.0.0
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*
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* @param string $item_output The menu item's starting HTML output.
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* @param WP_Post $item Menu item data object.
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* @param int $depth Depth of menu item. Used for padding.
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* @param stdClass $args An object of wp_nav_menu() arguments.
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*/
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$output .= apply_filters( '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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* @since 3.0.0
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*
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* @see Walker::end_el()
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*
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* @param string $output Used to append additional content (passed by reference).
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* @param WP_Post $item Page data object. Not used.
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* @param int $depth Depth of page. Not Used.
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* @param stdClass $args An object of wp_nav_menu() arguments.
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*/
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public function end_el( &$output, $item, $depth = 0, $args = null ) {
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// Header style
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$header_style = oceanwp_header_style();
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if ( $depth === 0 && $item->category_post != ''
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&& 'full_screen' != $header_style && 'vertical' != $header_style ) {
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global $post;
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$output .= "\n<ul class=\"megamenu col-4 sub-menu\">\n";
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// Sub Categories ===============================================================
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if ( $item->category_post != '' && $item->object == 'category' ) {
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$no_sub_categories = $sub_categories_exists = $sub_categories = '';
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$query_args = array(
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'child_of' => $item->object_id,
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);
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$sub_categories = get_categories( $query_args );
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// Check if the category doesn't contain any sub categories.
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if ( count( $sub_categories ) == 0 ) {
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$sub_categories = array( $item->object_id );
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$no_sub_categories = true;
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}
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foreach ( $sub_categories as $category ) {
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if ( ! $no_sub_categories ) {
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$cat_id = $category->term_id;
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} else {
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$cat_id = $category;
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}
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$original_post = $post;
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$count = 0;
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$args = array(
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'posts_per_page' => 4,
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'cat' => $cat_id,
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'no_found_rows' => true,
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'ignore_sticky_posts' => true,
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);
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$cat_query = new WP_Query( $args );
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// Title
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$output .= '<h3 class="mega-cat-title">' . esc_html__( 'Latest in', 'oceanwp' ) . ' ' . get_cat_name( $cat_id ) . '</h3>';
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while ( $cat_query->have_posts() ) {
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// first post
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$count++;
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if ( $count == 1 ) {
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$classes = 'mega-cat-post first';
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} else {
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$classes = 'mega-cat-post';
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}
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$cat_query->the_post();
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$output .= '<li class="' . $classes . '">';
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if ( has_post_thumbnail() ) {
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// Image args.
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$img_args = array(
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'alt' => oceanwp_theme_strings( 'owp-string-read-more-article', false ) . ' ' . get_the_title(),
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);
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if ( oceanwp_get_schema_markup( 'image' ) ) {
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$img_args['itemprop'] = 'image';
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}
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$output .= '<a href="' . get_permalink() . '" class="mega-post-link">';
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$output .= get_the_post_thumbnail( get_the_ID(), 'medium', $img_args );
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$output .= '<span class="overlay"></span>';
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$output .= '</a>';
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$output .= '<h3 class="mega-post-title"><a href="' . get_permalink() . '">' . get_the_title() . '</a></h3><div class="mega-post-date">' . oceanwp_icon( 'date', false ) . ' ' . get_the_date() . '</div>';
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}
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$output .= '</li>';
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}
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wp_reset_postdata();
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}
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$output .= '</ul>';
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}
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}
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// </li> output.
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$output .= '</li>';
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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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* @since 3.0.0
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||
|
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*
|
||
|
|
* @see Walker::end_lvl()
|
||
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*
|
||
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* @param string $output Used to append additional content (passed by reference).
|
||
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* @param int $depth Depth of menu item. Used for padding.
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||
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* @param stdClass $args An object of wp_nav_menu() arguments.
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||
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|
*/
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||
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public function end_lvl( &$output, $depth = 0, $args = null ) {
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||
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|
$indent = str_repeat( "\t", $depth );
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||
|
|
$output .= "$indent</ul>\n";
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Icon if sub menu.
|
||
|
|
*/
|
||
|
|
public function display_element( $element, &$children_elements, $max_depth, $depth, $args, &$output ) {
|
||
|
|
|
||
|
|
// Define vars
|
||
|
|
$id_field = $this->db_fields['id'];
|
||
|
|
$header_style = oceanwp_header_style();
|
||
|
|
$full_screen_dropdown = '<span class="nav-arrow"></span>';
|
||
|
|
|
||
|
|
if ( isset( $args[0] ) && is_object( $args[0] ) ) {
|
||
|
|
$args[0]->has_children = ! empty( $children_elements[ $element->$id_field ] );
|
||
|
|
}
|
||
|
|
|
||
|
|
// Down Arrows
|
||
|
|
if ( ! empty( $children_elements[ $element->$id_field ] ) && ( $depth == 0 )
|
||
|
|
|| $element->category_post != '' && $element->object == 'category'
|
||
|
|
&& 'full_screen' != $header_style ) {
|
||
|
|
$element->classes[] = 'dropdown';
|
||
|
|
if ( true == get_theme_mod( 'ocean_menu_arrow_down', true ) ) {
|
||
|
|
( 'full_screen' == $header_style ) ? $element->title .= '' . $full_screen_dropdown : $element->title .= oceanwp_icon( 'angle_down', false, 'nav-arrow' );
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// Right/Left Arrows
|
||
|
|
if ( ! empty( $children_elements[ $element->$id_field ] ) && ( $depth > 0 ) ) {
|
||
|
|
$element->classes[] = 'dropdown';
|
||
|
|
if ( true == get_theme_mod( 'ocean_menu_arrow_side', true ) ) {
|
||
|
|
if ( is_rtl() ) {
|
||
|
|
( 'full_screen' == $header_style ) ? $element->title .= $full_screen_dropdown : $element->title .= oceanwp_icon( 'angle_left', false, 'nav-arrow' );
|
||
|
|
} else {
|
||
|
|
( 'full_screen' == $header_style ) ? $element->title .= $full_screen_dropdown : $element->title .= oceanwp_icon( 'angle_right', false, 'nav-arrow' );
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// Define walker
|
||
|
|
Walker_Nav_Menu::display_element( $element, $children_elements, $max_depth, $depth, $args, $output );
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
}
|