File: /home/commandofl/public_html/wp-content/themes/hestia/inc/class-hestia-bootstrap-navwalker.php
<?php
/**
* Bootstrap nav walker
*
* @package Hestia
*/
/**
* Class Name: hestia_bootstrap_navwalker
* GitHub URI: https://github.com/twittem/wp-bootstrap-navwalker
* Description: A custom WordPress nav walker class to implement the Bootstrap 3 navigation style in a custom theme
* using the WordPress built in menu manager. Version: 2.0.4 Author: Edward McIntyre - @twittem License: GPL-2.0+
* License URI: http://www.gnu.org/licenses/gpl-2.0.txt
*
* Modified by Hardeep Asrani for the theme.
*
* @since Hestia 1.0
*/
class Hestia_Bootstrap_Navwalker extends Walker_Nav_Menu {
/**
* Start_lvl
*
* @see Walker::start_lvl()
* @since 3.0.0
*
* @param string $output Passed by reference. Used to append additional content.
* @param int $depth Depth of page. Used for padding.
*/
public function start_lvl( &$output, $depth = 0, $args = array() ) {
$indent = str_repeat( "\t", $depth );
$output .= "\n$indent<ul role=\"menu\" class=\"dropdown-menu\">\n";
}
/**
* Start_el
*
* @see Walker::start_el()
* @since 3.0.0
*
* @param string $output Output.
* @param WP_Post $item Item.
* @param int $depth Depth.
* @param array $args Args.
* @param int $id id.
*/
public function start_el( &$output, $item, $depth = 0, $args = array(), $id = 0 ) {
$indent = ( $depth ) ? str_repeat( "\t", $depth ) : '';
/**
* Dividers, Headers or Disabled
* =============================
* Determine whether the item is a Divider, Header, Disabled or regular
* menu item. To prevent errors we use the strcasecmp() function to so a
* comparison that is not case sensitive. The strcasecmp() function returns
* a 0 if the strings are equal.
*/
if ( property_exists( $item, 'attr_title' ) && strcasecmp( $item->attr_title, 'divider' ) === 0 && $depth >= 1 ) {
$output .= $indent . '<li role="presentation" class="divider">';
} elseif ( property_exists( $item, 'divider' ) && strcasecmp( $item->title, 'divider' ) === 0 && $depth >= 1 ) {
$output .= $indent . '<li role="presentation" class="divider">';
} else {
$value = '';
$classes = empty( $item->classes ) ? array() : (array) $item->classes;
$classes[] = 'menu-item-' . $item->ID;
$class_names = join( ' ', apply_filters( 'nav_menu_css_class', array_filter( $classes ), $item, $args ) );
if ( $args->has_children && $depth === 0 ) {
$class_names .= ' dropdown';
} elseif ( $args->has_children && $depth > 0 ) {
$class_names .= ' dropdown dropdown-submenu';
}
if ( in_array( 'current-menu-item', $classes, true ) ) {
$class_names .= ' active';
}
$class_names = $class_names ? ' class="' . esc_attr( $class_names ) . '"' : '';
$id = apply_filters( 'nav_menu_item_id', 'menu-item-' . $item->ID, $item, $args );
$id = $id ? ' id="' . esc_attr( $id ) . '"' : '';
$output .= $indent . '<li' . $id . $value . $class_names . '>';
$atts = array();
$title = ! empty( $item->title ) ? strip_tags( apply_filters( 'the_title', sanitize_text_field( $item->title ), $item->ID ) ) : '';
$atts['title'] = ! empty( $item->attr_title ) ? strip_tags( apply_filters( 'the_title', sanitize_text_field( $item->attr_title ), $item->ID ) ) : $title;
$atts['target'] = ! empty( $item->target ) ? $item->target : '';
$atts['rel'] = ! empty( $item->xfn ) ? $item->xfn : '';
// Remove the title if the menu has 'social-item' as class.
if ( in_array( 'social-item', $classes, true ) ) {
$item->title = '';
}
// If item has_children add atts to a.
if ( $args->has_children ) {
$atts['href'] = ! empty( $item->url ) ? $item->url : '#';
$atts['class'] = 'dropdown-toggle';
} else {
$atts['href'] = ! empty( $item->url ) ? $item->url : '';
}
$atts = apply_filters( 'nav_menu_link_attributes', $atts, $item, $args );
$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;
$is_wpml_item = ! empty( $item->type ) && $item->type === 'wpml_ls_menu_item';
/*
* Glyphicons
* ===========
* Since the the menu item is NOT a Divider or Header we check the see
* if there is a value in the attr_title property. If the attr_title
* property is NOT null we apply it as the class name for the glyphicon.
*/
if ( ! empty( $item->attr_title ) && ! $is_wpml_item ) {
$item_output .= '<a' . $attributes . '><i class="' . esc_attr( hestia_display_fa_icon( $item->attr_title ) ) . '"></i> ';
} elseif ( in_array( 'hestia-mm-heading', $item->classes, true ) && ( $item->url === '#' ) ) {
$item_output .= '<span class="mm-heading-wrapper">';
} elseif ( in_array( 'hestia-mm-heading', $item->classes, true ) ) {
$item_output .= '<span class="mm-heading-wrapper"><a' . $attributes . '>';
} else {
$item_output .= '<a' . $attributes . '>';
}
$item_output .= $args->link_before . apply_filters( 'the_title', $item->title, $item->ID ) . $args->link_after;
$item_output .= ( $args->has_children ) ? ' <span class="caret-wrap"><span class="caret"><svg aria-hidden="true" focusable="false" data-prefix="fas" data-icon="chevron-down" class="svg-inline--fa fa-chevron-down fa-w-14" role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 448 512"><path d="M207.029 381.476L12.686 187.132c-9.373-9.373-9.373-24.569 0-33.941l22.667-22.667c9.357-9.357 24.522-9.375 33.901-.04L224 284.505l154.745-154.021c9.379-9.335 24.544-9.317 33.901.04l22.667 22.667c9.373 9.373 9.373 24.569 0 33.941L240.971 381.476c-9.373 9.372-24.569 9.372-33.942 0z"></path></svg></span></span></a>' : '</a>';
if ( ! empty( $item->description ) && ( $item->description !== ' ' ) && $depth >= 1 ) {
$item_output .= '<span class="hestia-mm-description">' . $item->description . '</span>';
}
$item_output .= $args->after;
$output .= apply_filters( 'walker_nav_menu_start_el', $item_output, $item, $depth, $args );
}
}
/**
* Traverse elements to create list from elements.
*
* Display one element if the element doesn't have any children otherwise,
* display the element and its children. Will only traverse up to the max
* depth and no ignore elements under that depth.
*
* This method shouldn't be called directly, use the walk() method instead.
*
* @see Walker::start_el()
* @since 2.5.0
*
* @param object $element Data object.
* @param array $children_elements List of elements to continue traversing.
* @param int $max_depth Max depth to traverse.
* @param int $depth Depth of current element.
* @param array $args Args.
* @param string $output Passed by reference. Used to append additional content.
*
* @return null Null on failure with no changes to parameters.
*/
public function display_element( $element, &$children_elements, $max_depth, $depth, $args, &$output ) {
if ( ! $element ) {
return;
}
$id_field = $this->db_fields['id'];
// Display this element.
if ( is_object( $args[0] ) ) {
$args[0]->has_children = ! empty( $children_elements[ $element->$id_field ] );
}
parent::display_element( $element, $children_elements, $max_depth, $depth, $args, $output );
}
/**
* Menu Fallback
* =============
* If this function is assigned to the wp_nav_menu's fallback_cb variable
* and a manu has not been assigned to the theme location in the WordPress
* menu manager the function with display nothing to a non-logged in user,
* and will add a link to the WordPress menu manager if logged in as an admin.
*
* @param array $args passed from the wp_nav_menu function.
*/
public static function fallback( $args ) {
if ( current_user_can( 'edit_theme_options' ) ) {
$fb_output = null;
if ( $args['container'] ) {
$fb_output = '<' . $args['container'];
if ( $args['container_id'] ) {
$fb_output .= ' id="' . $args['container_id'] . '"';
}
if ( $args['container_class'] ) {
$fb_output .= ' class="' . $args['container_class'] . '"';
}
$fb_output .= '>';
}
$fb_output .= '<ul';
if ( $args['menu_id'] ) {
$fb_output .= ' id="' . $args['menu_id'] . '"';
}
if ( $args['menu_class'] ) {
$fb_output .= ' class="' . $args['menu_class'] . '"';
}
$fb_output .= '>';
$fb_output .= '<li><a href="' . esc_url( admin_url( 'nav-menus.php' ) ) . '">Add a menu</a></li>';
$fb_output .= '</ul>';
if ( $args['container'] ) {
$fb_output .= '</' . $args['container'] . '>';
}
$allowed_html = array(
'a' => array(
'href' => array(),
),
'div' => array(
'id' => array(),
'class' => array(),
),
'ul' => array(
'class' => array(),
),
'li' => array(),
);
echo wp_kses( $fb_output, $allowed_html );
}
}
}