<?php
/**
* This is core class file for responsive menu pro to design the menu
* with custom walker with saved settings.
*
* @since 4.0.0
*
* @package responsive_menu_pro
*/
namespace RMP\Features\Inc;
/** Disable the direct access to this class */
if ( ! defined( 'ABSPATH' ) ) {
exit;
}
/**
* Class Walker prepare the menu as per loction and menu id.
*
* @since 4.0.0
* @package responsive_menu_pro
*
* @author Expresstech System
*/
class Walker extends \Walker_Nav_Menu {
/**
* Hold the current menu item.
*
* @since 4.0.0
* @access protected
* @var string $current_item
*/
private $current_item;
/**
* Hold the top most item id
*
* @since 4.0.0
* @access protected
* @var object
*/
protected $root_item_id;
/**
* This is Walker class constructor function.
*
* @access public
* @param array $option
*/
public function __construct( $options ) {
$this->options = $options;
}
/**
* Function to create element for menu items.
*
* @access public
* @version 4.0.0
*
* @param string/HTML $output
* @param object $item
* @param int $depth
* @param array $args
* @param int $id
*/
public function start_el( &$output, $item, $depth = 0, $args = array(), $id = 0 ) {
$this->set_current_item( $item );
$classes = array();
if ( ! empty( $item->classes ) ) {
$classes = (array) $item->classes;
}
$rmp_menu_classes = $classes;
/** Add rmp menu classes as per item */
foreach ( $classes as $class ) {
switch ( $class ) {
case 'menu-item':
$rmp_menu_classes[] = 'rmp-menu-item';
break;
case 'current-menu-item':
$rmp_menu_classes[] = 'rmp-menu-current-item';
break;
case 'menu-item-has-children':
$rmp_menu_classes[] = 'rmp-menu-item-has-children';
break;
case 'current-menu-parent':
$rmp_menu_classes[] = 'rmp-menu-item-current-parent';
break;
case 'current-menu-ancestor':
$rmp_menu_classes[] = 'rmp-menu-item-current-ancestor';
break;
}
}
// Add top/sub level class as per item.
if ( 0 === intval( $item->menu_item_parent ) ) {
$rmp_menu_classes[] = 'rmp-menu-top-level-item';
$this->root_item_id = $item->ID;
} else {
$rmp_menu_classes[] = 'rmp-menu-sub-level-item';
}
/* Clear child class if we are at the final depth level */
if ( isset( $rmp_menu_classes ) ) {
$has_child = array_search( 'rmp-menu-item-has-children', $rmp_menu_classes, true );
if ( ( intval( $depth ) + 1 ) === intval( $this->options['menu_depth'] ) && false !== $has_child ) {
unset( $rmp_menu_classes[ $has_child ] );
}
}
$class_names = join( ' ', array_unique( $rmp_menu_classes ) );
/** Prepare classes for menu item. */
if ( ! empty( $class_names ) ) {
$class_names = sprintf( 'class="%s"', esc_attr( $class_names ) );
} else {
$class_names = '';
}
$class_names = apply_filters( 'rmp_nav_item_class', $class_names, $item );
// Start menu item and set classes & ID.
$output .= sprintf(
'<li id="rmp-menu-item-%s" %s role="none">',
esc_attr( $item->ID ),
$class_names
);
// Set attributes on menu item link.
$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 : '';
$atts['class'] = 'rmp-menu-item-link';
$atts['role'] = 'menuitem';
$atts = apply_filters( 'nav_menu_link_attributes', $atts, $item, $args, $depth );
$attributes = '';
foreach ( $atts as $key => $value ) {
if ( ! empty( $value ) ) {
$value = ( 'href' === $key ) ? esc_url( $value ) : esc_attr( $value );
$attributes .= sprintf( ' %s="%s" ', $key, $value );
}
}
$title = apply_filters( 'the_title', $item->title, $item->ID );
$title = apply_filters( 'rmp_menu_item_title', $title, $item, $args, $depth );
// Activate the required menu item by default.
$sub_menu_arrow = '';
if ( in_array( 'rmp-menu-item-has-children', $rmp_menu_classes, true ) ) {
$inactive_arrow = sprintf(
'<div class="rmp-menu-subarrow">%s</div>',
$this->get_inactive_arrow()
);
$active_arrow = sprintf(
'<div class="rmp-menu-subarrow rmp-menu-subarrow-active">%s</div>',
$this->get_active_arrow()
);
if ( 'on' === $this->options['auto_expand_all_submenus'] ) {
$sub_menu_arrow = $active_arrow;
} elseif (
'on' === $this->options['auto_expand_current_submenus'] &&
( in_array( 'rmp-menu-item-current-parent', $rmp_menu_classes, true ) ||
in_array( 'rmp-menu-item-current-ancestor', $rmp_menu_classes, true ) ) ) {
$sub_menu_arrow = $active_arrow;
} else {
$sub_menu_arrow = $inactive_arrow;
}
}
/* Clear Arrow if we are at the final depth level */
if ( intval( $depth ) + 1 === intval( $this->options['menu_depth'] ) ) {
$sub_menu_arrow = '';
}
$item_output = '';
$item_output .= sprintf( '<a %s >', $attributes );
$item_output .= $title;
$item_output .= rm_sanitize_html_tags( $sub_menu_arrow );
$item_output .= '</a>';
// If description is enable then add it below of menu item.
if ( ! empty( $item->description ) && 'on' === $this->options['submenu_descriptions_on'] ) {
$item_output .= sprintf( '<p class="rmp-menu-item-description"> %s </p>', esc_html( $item->description ) );
}
// Theme support for twenty twenty one.
if ( function_exists( 'twenty_twenty_one_add_sub_menu_toggle' ) ) {
remove_filter( 'walker_nav_menu_start_el', 'twenty_twenty_one_add_sub_menu_toggle', 10 );
remove_filter( 'walker_nav_menu_start_el', 'twenty_twenty_one_nav_menu_social_icons', 10 );
}
/* End Add Desktop Menu Widgets to Sub Items */
$output .= apply_filters( 'walker_nav_menu_start_el', $item_output, $item, $depth, $args );
}
/**
* Function to build the sub-menu items.
*
* @since 4.0.0
* @access public
*
* @param string|HTML $output
* @param int $depth
* @param array $args
*/
public function start_lvl( &$output, $depth = 0, $args = array() ) {
// Add sub-menu item wrap.
$output .= sprintf(
'<ul aria-label="%s"
role="menu" data-depth="%s"
class="rmp-submenu rmp-submenu-depth-%s">',
esc_attr( $this->current_item->title ),
( $depth + 2 ),
( $depth + 1 ) . $this->get_submenu_class_open_or_not()
);
}
/**
* Function to close the menu item.
*
* @access public
* @version 4.0.0
*
* @param string/HTML $output
* @param object $item
* @param int $depth
* @param array $args
*/
public function end_el( &$output, $item, $depth = 0, $args = array() ) {
$output .= '</li>';
}
/**
* Function to close the sub-menu items.
*
* @since 4.0.0
* @access public
*
* @param string|HTML $output
* @param int $depth
* @param array $args
*/
public function end_lvl( &$output, $depth = 0, $args = array() ) {
$output .= '</ul>';
}
/**
* Function get the active item toggle icon.
*
* @return HTML
*/
public function get_active_arrow() {
if ( ! empty( $this->options['active_arrow_font_icon'] ) ) {
return $this->options['active_arrow_font_icon'];
} elseif ( ! empty( $this->options['active_arrow_image'] ) ) {
return sprintf(
'<img alt="%s" src="%s" />',
rmp_image_alt_by_url( $this->options['active_arrow_image'] ),
esc_url( $this->options['active_arrow_image'] )
);
} else {
return $this->options['active_arrow_shape'];
}
}
/**
* Function get the inactive item toggle icon.
*
* @return HTML
*/
public function get_inactive_arrow() {
if ( ! empty( $this->options['inactive_arrow_font_icon'] ) ) {
return $this->options['inactive_arrow_font_icon'];
} elseif ( ! empty( $this->options['inactive_arrow_image'] ) ) {
return sprintf(
'<img alt="%s" src="%s" />',
rmp_image_alt_by_url( $this->options['inactive_arrow_image'] ),
esc_url( $this->options['inactive_arrow_image'] )
);
} else {
return $this->options['inactive_arrow_shape'];
}
}
/**
* Function to set the current item object.
*
* @param object $item Menu item object.
*/
public function set_current_item( $item ) {
$this->current_item = $item;
}
/**
* Function to return the current item object.
*
* @return object $item Menu item object.
*/
public function get_current_item() {
return $this->current_item;
}
/**
* Check submenu need to open or not.
*
* @return boolean
*/
public function get_submenu_class_open_or_not() {
return $this->expand_all_submenu_options_is_on() || $this->expand_current_submenu_on_and_item_is_parent() ? ' rmp-submenu-open' : '';
}
/**
* Check all submenu need to open or not.
*
* @return boolean
*/
public function expand_all_submenu_options_is_on() {
return 'on' === $this->options['auto_expand_all_submenus'];
}
/**
* Check current submenu need to open or not.
*
* @return boolean
*/
public function expand_current_submenu_on_and_item_is_parent() {
return ( 'on' === $this->options['auto_expand_current_submenus'] )
&& ( $this->get_current_item()->current_item_ancestor || $this->get_current_item()->current_item_parent );
}
}