inc/Core/WalkerNav.php
<?php
namespace Awps\Core;
use Walker_Nav_Menu;
class WalkerNav extends Walker_Nav_Menu
{
public function start_lvl(&$output, $depth = 0, $args = array())
{
$indent = str_repeat("\t", $depth);
$submenu = ($depth > 0) ? ' sub-menu' : '';
$output .= "\n$indent<ul class=\"dropdown-menu$submenu depth_$depth\" >\n";
}
public function start_el(&$output, $item, $depth = 0, $args = array(), $id = 0)
{
$indent = ($depth) ? str_repeat("\t", $depth) : '';
$li_attributes = '';
$class_names = $value = '';
$classes = empty($item->classes) ? array() : (array) $item->classes;
// managing divider: add divider class to an element to get a divider before it.
$divider_class_position = array_search('divider', $classes);
if ($divider_class_position !== false) {
$output .= "<li class=\"divider\"></li>\n";
unset($classes[$divider_class_position]);
}
$classes[] = ($args->has_children) ? 'dropdown' : '';
$classes[] = ($item->current || $item->current_item_ancestor) ? 'active' : '';
$classes[] = 'menu-item-'.$item->ID;
if ($depth && $args->has_children) {
$classes[] = 'dropdown-submenu';
}
$class_names = implode(' ', apply_filters('nav_menu_css_class', array_filter($classes), $item, $args));
$class_names = ' class="'.esc_attr($class_names).'"';
$id = apply_filters('nav_menu_item_id', 'menu-item-'.$item->ID, $item, $args);
$id = strlen($id) ? ' id="'.esc_attr($id).'"' : '';
$output .= $indent.'<li'.$id.$value.$class_names.$li_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_attr($item->url).'"' : '';
$attributes .= ($args->has_children) ? ' class="dropdown-toggle" data-toggle="dropdown"' : '';
$item_output = $args->before;
$item_output .= '<a'.$attributes.'>';
$item_output .= $args->link_before.apply_filters('the_title', $item->title, $item->ID).$args->link_after;
// add support for menu item title
if (strlen($item->attr_title) > 2) {
$item_output .= '<h3 class="tit">'.$item->attr_title.'</h3>';
}
// add support for menu item descriptions
if (strlen($item->description) > 2) {
$item_output .= '</a> <span class="sub">'.$item->description.'</span>';
}
$item_output .= (($depth == 0 || 1) && $args->has_children) ? ' <b class="caret"></b></a>' : '</a>';
$item_output .= $args->after;
$output .= apply_filters('walker_nav_menu_start_el', $item_output, $item, $depth, $args);
}
public function display_element($element, &$children_elements, $max_depth, $depth, $args, &$output)
{
if (!$element) {
return;
}
$id_field = $this->db_fields['id'];
//display this element
if (is_array($args[0])) {
$args[0]['has_children'] = !empty($children_elements[$element->$id_field]);
} elseif (is_object($args[0])) {
$args[0]->has_children = !empty($children_elements[$element->$id_field]);
}
$cb_args = array_merge(array(&$output, $element, $depth), $args);
call_user_func_array(array($this, 'start_el'), $cb_args);
$id = $element->$id_field;
// descend only when the depth is right and there are childrens for this element
if (($max_depth == 0 || $max_depth > $depth + 1) && isset($children_elements[$id])) {
foreach ($children_elements[ $id ] as $child) {
if (!isset($newlevel)) {
$newlevel = true;
//start the child delimiter
$cb_args = array_merge(array(&$output, $depth), $args);
call_user_func_array(array($this, 'start_lvl'), $cb_args);
}
$this->display_element($child, $children_elements, $max_depth, $depth + 1, $args, $output);
}
unset($children_elements[ $id ]);
}
if (isset($newlevel) && $newlevel) {
//end the child delimiter
$cb_args = array_merge(array(&$output, $depth), $args);
call_user_func_array(array($this, 'end_lvl'), $cb_args);
}
//end this element
$cb_args = array_merge(array(&$output, $element, $depth), $args);
call_user_func_array(array($this, 'end_el'), $cb_args);
}
}