';
}
$fb_output .= '
Add a menu';
$fb_output .= '
';
if ($container)
$fb_output .= '' . $container . '>';
echo $fb_output;
}
}
/**
* @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\n";
}
/**
* @see Walker::start_el()
* @since 3.0.0
*
* @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 int $current_page Menu item ID.
* @param object $args
*/
public function start_el(&$output, $item, $depth = 0, $args = array(), $id = 0)
{
$indent = ($depth) ? str_repeat("\t", $depth) : '';
/**
* Dividers, Headers or Disabled
* =============================
* Determine whether the item is a Divider, Header, Disabled or regular
* menu item. To prevent errors we use the strcasecmp() function to so a
* comparison that is not case sensitive. The strcasecmp() function returns
* a 0 if the strings are equal.
*/
if (strcasecmp($item->attr_title, 'divider') == 0 && $depth === 1) {
$output .= $indent . '- ';
} else if (strcasecmp($item->title, 'divider') == 0 && $depth === 1) {
$output .= $indent . '
- ';
} else if (strcasecmp($item->attr_title, 'dropdown-header') == 0 && $depth === 1) {
$output .= $indent . '
- ' . esc_attr($item->title) . '';
} else {
$class_names = $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)
$class_names .= ' dropdown';
if (in_array('current-menu-item', $classes))
$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 . '
- ';
$atts = array();
$atts['title'] = !empty($item->title) ? $item->title : '';
$atts['target'] = !empty($item->target) ? $item->target : '';
$atts['rel'] = !empty($item->xfn) ? $item->xfn : '';
// If item has_children add atts to a.
if ($args->has_children && $depth === 0) {
$atts['href'] = '#';
$atts['data-toggle'] = 'dropdown';
$atts['class'] = 'dropdown-toggle';
$atts['aria-haspopup'] = 'true';
} 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 = $args->before;
/*
* Glyphicons
* ===========
* Since the the menu item is NOT a Divider or Header we check the see
* if there is a value in the attr_title property. If the attr_title
* property is NOT null we apply it as the class name for the glyphicon.
*/
if (!empty($item->attr_title))
$item_output .= ' ';
else
$item_output .= '';
$item_output .= $args->link_before . apply_filters('the_title', $item->title, $item->ID) . $args->link_after;
$item_output .= ($args->has_children && 0 === $depth) ? ' ' : '';
$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
* @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);
}
}