item_spacing ) && 'discard' === $args->item_spacing ) {
$t = '';
$n = '';
} else {
$t = "\t";
$n = "\n";
}
$indent = str_repeat( $t, $depth );
// Default classes.
$classes = array( 'sub-menu', 'sf-dropdown-menu', 'collapse' );
$class_names = join( ' ', apply_filters( 'nav_menu_submenu_css_class', $classes, $args, $depth ) );
$class_names = $class_names ? ' class="' . esc_attr( $class_names ) . '"' : '';
$output .= "{$n}{$indent}
{$n}";
}
/**
* Starts the element output.
*
* @param string $output Used to append additional content (passed by reference).
* @param WP_Post $item Menu item data object.
* @param int $depth Depth of menu item. Used for padding.
* @param stdClass $args An object of wp_nav_menu() arguments.
* @param int $id Current item ID.
*/
public function start_el( &$output, $item, $depth = 0, $args = array(), $id = 0 ) {
$indent = ( $depth ) ? str_repeat( "\t", $depth ) : '';
$slug = sanitize_title( $item->title );
$id = 'menu-' . $slug;
$class_names = '';
$value = '';
$li_attributes = '';
$classes = empty( $item->classes ) ? array() : (array) $item->classes;
$classes = array_filter( $classes, array( &$this, 'check_current' ) );
$classes[] = 'menu-item-' . $item->ID;
// Submenus.
$has_sub = false;
if ( in_array( 'sf-dropdown', $classes ) ) {
$has_sub = true;
}
if ( in_array( 'sf-dropdown-submenu', $classes ) ) {
$has_sub = true;
}
$kt_lgmenu = get_post_meta( $item->ID, '_menu_item_ktlgmenu', true );
if ( $kt_lgmenu ) {
$classes[] = 'kt-lgmenu';
$kt_columnmenu = get_post_meta( $item->ID, '_menu_item_ktcolumnmenu', true );
if ( $kt_columnmenu ) {
$classes[] = 'kt-menu-column-' . $kt_columnmenu;
}
}
$custom_classes = get_post_meta( $item->ID, '_menu_item_classes', true );
if ( $custom_classes ) {
foreach ( $custom_classes as $custom_class ) {
if ( strpos( $custom_class, 'icon' ) !== false || strpos( $custom_class, 'kt-icon' ) !== false ) {
$icon_class = $custom_class;
} else {
$classes[] = $custom_class;
}
}
}
$class_names = join( ' ', apply_filters( 'nav_menu_css_class', array_filter( $classes ), $item, $args, $depth ) );
$class_names = $class_names ? ' class="' . esc_attr( $id ) . ' ' . esc_attr( $class_names ) . '"' : ' class="' . esc_attr( $id ) . '"';
$output .= $indent . '- ';
$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['aria-current'] = $item->current ? 'page' : '';
$atts = apply_filters( 'nav_menu_link_attributes', $atts, $item, $args, $depth );
$attributes = '';
foreach ( $atts as $attr => $value ) {
if ( ! empty( $value ) ) {
$value = ( 'href' === $attr ) ? esc_url( $value ) : esc_attr( $value );
$attributes .= ' ' . $attr . '="' . $value . '"';
}
}
if ( isset( $args->link_before ) && empty( $args->link_before ) ) {
$args->link_before = '';
$args->link_after = '';
}
$title = apply_filters( 'the_title', $item->title, $item->ID );
$title = apply_filters( 'nav_menu_item_title', $title, $item, $args, $depth );
$description = ! empty( $item->description ) ? '' . esc_attr( $item->description ) . '' : '';
$icon = ! empty( $icon_class ) ? '' : '';
// No Description for submenu items.
if ( 0 !== $depth ) {
$description = '';
}
$item_output = $args->before;
$item_output .= '' . $icon;
$item_output .= $args->link_before . $title . $description . $args->link_after;
$item_output .= '';
if ( $has_sub ) {
$item_output .= '';
}
$item_output .= $args->after;
$output .= apply_filters( 'walker_nav_menu_start_el', $item_output, $item, $depth, $args );
}
/**
* Traverse elements to create list from elements.
*
* @param object $element Data object.
* @param array $children_elements List of elements to continue traversing (passed by reference).
* @param int $max_depth Max depth to traverse.
* @param int $depth Depth of current element.
* @param array $args An array of arguments.
* @param string $output Used to append additional content (passed by reference).
*/
public function display_element( $element, &$children_elements, $max_depth, $depth = 0, $args, &$output ) {
$element->is_dropdown = ( ( ! empty( $children_elements[ $element->ID ] ) && ( ( $depth + 1 ) < $max_depth || ( 0 === $max_depth ) ) ) );
if ( $element->is_dropdown ) {
if ( 0 === $depth ) {
$element->classes[] = 'sf-dropdown';
$element->classes[] = 'sf-dropdown-toggle';
} elseif ( 1 === $depth ) {
$element->classes[] = 'sf-dropdown-submenu';
$element->classes[] = 'sf-dropdown-toggle';
} elseif ( 2 === $depth ) {
$element->classes[] = 'sf-dropdown-submenu';
$element->classes[] = 'sf-dropdown-toggle';
} elseif ( 3 === $depth ) {
$element->classes[] = 'sf-dropdown-submenu';
$element->classes[] = 'sf-dropdown-toggle';
}
}
parent::display_element( $element, $children_elements, $max_depth, $depth, $args, $output );
}
}