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<?php
/**
* Custom wp_nav_menu walker for the Custom Menu widget.
*
* @package Ocean_Extra
* @category Core
* @author OceanWP
*/
if ( ! class_exists( 'Ocean_Extra_Nav_Walker' ) ) {
class Ocean_Extra_Nav_Walker extends Walker_Nav_Menu {
/**
* Middle logo menu breaking point
*
* @access private
* @var init
*/
private $break_point = null;
/**
* Middle logo menu number of top level items displayed
*
* @access private
* @var init
*/
private $displayed = 0;
/**
* Starts the list before the elements are added.
*
* @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=\"sub-menu\">\n";
}
/**
* Modified the menu output.
*
* @param string $output Passed by reference. Used to append additional content.
* @param object $item Menu item data object.
* @param int $depth Depth of menu item. Used for padding.
* @param array $args An array of arguments. @see wp_nav_menu()
* @param int $id Current item ID.
*/
public function start_el( &$output, $item, $depth = 0, $args = array(), $id = 0 ) {
global $wp_query;
$indent = ( $depth ) ? str_repeat( "\t", $depth ) : '';
// Set up empty variable.
$class_names = '';
$classes = empty( $item->classes ) ? array() : (array) $item->classes;
$classes[] = 'menu-item-' . $item->ID;
// Nav no click
if ( $item->nolink != '' ) {
$classes[] = 'nav-no-click';
}
/**
* Filter the CSS class(es) applied to a menu item's <li>.
*
* @param array $classes The CSS classes that are applied to the menu item's <li>.
* @param object $item The current menu item.
* @param array $args An array of wp_nav_menu() arguments.
*/
$class_names = join( ' ', apply_filters( 'nav_menu_css_class', array_filter( $classes ), $item, $args ) );
$class_names = $class_names ? ' class="' . esc_attr( $class_names ) . '"' : '';
/**
* Filter the ID applied to a menu item's <li>.
*
* @param string $menu_id The ID that is applied to the menu item's <li>.
* @param object $item The current menu item.
* @param array $args An array of wp_nav_menu() arguments.
*/
$id = apply_filters( 'nav_menu_item_id', 'menu-item-' . $item->ID, $item, $args );
$id = $id ? ' id="' . esc_attr( $id ) . '"' : '';
// <li> output.
$output .= $indent . '<li ' . $id . $class_names . '>';
// 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 .= ! empty( $item->url ) ? ' href="' . esc_url( $item->url ) . '"' : '';
// Icon.
$icon = '';
if ( $item->icon != '' ) {
$icon = '<i class="' . $item->icon . '"></i>';
}
// Description
$description = '';
if ( $item->description != '' ) {
$description = '<span class="nav-content">' . $item->description . '</span>';
}
// Text before and after
$text_before = '';
$text_after = '';
if ( $item->icon != '' ) {
$text_before = '<span class="menu-text">';
$text_after = '</span>';
}
// Output
$item_output = $args->before;
$item_output .= '<a' . $attributes . ' class="menu-link">';
$item_output .= $args->link_before . $icon . $text_before . apply_filters( 'the_title', $item->title, $item->ID ) . $text_after . $args->link_after;
if ( $depth !== 0 ) {
$item_output .= $description;
}
$item_output .= '</a>';
$item_output .= $args->after;
// Build html
$output .= apply_filters( 'walker_nav_menu_start_el', $item_output, $item, $depth, $args );
}
/**
* Ends the list of after the elements are added.
*
* @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";
}
/**
* Icon if sub menu.
*/
public function display_element( $element, &$children_elements = array(), $max_depth = 0, $depth = 0, $args = array(), &$output = '' ) {
// Define vars
$id_field = $this->db_fields['id'];
$header_style = oceanwp_header_style();
if ( 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' ) {
$element->classes[] = 'dropdown';
if ( true == get_theme_mod( 'ocean_menu_arrow_down', true ) ) {
$element->title .= ' <span class="nav-arrow fa fa-angle-down"></span>';
}
}
// 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() ) {
$element->title .= '<span class="nav-arrow fa fa-angle-left"></span>';
} else {
$element->title .= '<span class="nav-arrow fa fa-angle-right"></span>';
}
}
}
// Define walker
Walker_Nav_Menu::display_element( $element, $children_elements, $max_depth, $depth, $args, $output );
}
}
}