Permalink
Switch branches/tags
Nothing to show
Find file Copy path
Fetching contributors…
Cannot retrieve contributors at this time
253 lines (237 sloc) 8.45 KB
<?php
/**
* GiottoPress_Menu_Walker
*
*/
/* Check if Class Exists. */
if ( ! class_exists( 'GiottoPress_Menu_Walker' ) ) {
/**
* Giotto_Custom_Walker class.
*
* @extends Walker_Nav_Menu
*/
class GiottoPress_Menu_Walker extends Walker_Nav_Menu {
/**
* Start Level.
*
* @see Walker::start_lvl()
* @since 1.0.0
*
* @access public
*
* @param mixed $output Passed by reference. Used to append additional content.
* @param int $depth (default: 0) Depth of page. Used for padding.
* @param array $args (default: array()) Arguments.
*
* @return void
*/
public function start_lvl( &$output, $depth = 0, $args = array() ) {
$indent = str_repeat( "\t", $depth );
$output .= "\n$indent<div class=\"navbar-dropdown is-boxed\"><!-- START LEVEL -->\n";
}
public function end_lvl( &$output, $depth = 0, $args = array() ) {
$indent = str_repeat( "\t", $depth );
$output .= "$indent</div><!-- END LEVEL -->\n";
}
/**
* Start El.
*
* @see Walker::start_el()
* @since 1.0.0
*
* @access public
*
* @param mixed $output Passed by reference. Used to append additional content.
* @param mixed $item Menu item data object.
* @param int $depth (default: 0) Depth of menu item. Used for padding.
* @param array $args (default: array()) Arguments.
* @param int $id (default: 0) Menu item ID.
*
* @return void
*/
public function start_el( &$output, $item, $depth = 0, $args = array(), $id = 0 ) {
$defaults = array(
'menu' => '',
'container' => 'div',
'container_class' => '',
'container_id' => '',
'menu_class' => 'menu',
'menu_id' => '',
'echo' => true,
'fallback_cb' => 'wp_page_menu',
'before' => '',
'after' => '',
'link_before' => '',
'link_after' => '',
'items_wrap' => '<ul id="%1$s" class="%2$s">%3$s</ul>',
'item_spacing' => 'preserve',
'depth' => 0,
'walker' => '',
'theme_location' => '',
);
$args = wp_parse_args( $args, $defaults );
$indent = ( $depth ) ? str_repeat( "\t", $depth ) : '';
$class_names = $this->get_item_classes( $item, $args );
$id = apply_filters( 'nav_menu_item_id', 'menu-item-' . $item->ID, $item, $args );
$id = $id ? ' id="' . esc_attr( $id ) . '"' : '';
$attributes = $this->get_item_attributes( $item, $args );
if ( ! $args['has_children'] ) {
$classes = empty( $item->classes ) ? array() : (array) $item->classes;
if ( ! in_array( 'navbar-divider', $classes ) ) {
$item_output = $args['before'];
$item_output .= '<a' . $class_names . $attributes . '>';
$item_output .= $args['link_before'] . apply_filters( 'the_title', $item->title, $item->ID ) . $args['link_after'];
$item_output .= $args['after'];
} else {
$item_output = '<hr class="navbar-divider">';
}
$output .= apply_filters( 'walker_nav_menu_start_el', $item_output, $item, $depth, $args );
} else {
$item_output = $args['before'];
$item_output .= $indent . '<div class="navbar-item has-dropdown is-hoverable"><!-- START DROPDOWN-->' . "\n";
$item_output .= '<a' . $class_names . $attributes . $id . '>';
$item_output .= $args['link_before'] . apply_filters( 'the_title', $item->title, $item->ID ) . $args['link_after'];
$item_output .= $args['after'];
$item_output .= '</a>';
$output .= apply_filters( 'walker_nav_menu_start_el', $item_output, $item, $depth, $args );
}
}
public function end_el( &$output, $item, $depth = 0, $args = array() ) {
if ( ! in_array( 'menu-item-has-children', $item->classes ) ) {
$output .= "</a>\n";
} else {
$output .= "</div><!-- END DROPDOWN-->\n";
}
}
/**
* 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 1.0.0
*
* @access public
*
* @param mixed $element Data object.
* @param mixed $children_elements List of elements to continue traversing.
* @param mixed $max_depth Max depth to traverse.
* @param mixed $depth Depth of current element.
* @param mixed $args Arguments.
* @param mixed $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 );
}
private function get_item_classes( $item, $args ) {
$defaults = array(
'menu' => '',
'container' => 'div',
'container_class' => '',
'container_id' => '',
'menu_class' => 'menu',
'menu_id' => '',
'echo' => true,
'fallback_cb' => 'wp_page_menu',
'before' => '',
'after' => '',
'link_before' => '',
'link_after' => '',
'items_wrap' => '<ul id="%1$s" class="%2$s">%3$s</ul>',
'item_spacing' => 'preserve',
'depth' => 0,
'walker' => '',
'theme_location' => '',
);
$args = wp_parse_args( $args, $defaults );
$classes = empty( $item->classes ) ? array() : (array) $item->classes;
$classes[] = 'menu-item-' . $item->ID;
$classes[] = 'navbar-item';
$class_names = join( ' ', apply_filters( 'nav_menu_css_class', array_filter( $classes ), $item, $args ) );
if ( $args['has_children'] ) {
$class_names .= ' dropdown navbar-link';
}
if ( in_array( 'current-menu-item', $classes, true ) ) {
$class_names .= ' is-active';
}
return $class_names ? ' class="' . esc_attr( $class_names ) . '"' : '';
}
private function get_item_attributes( $item, $args ) {
$atts = array();
if ( empty( $item->attr_title ) ) {
$atts['title'] = ! empty( $item->title ) ? strip_tags( $item->title ) : '';
} else {
$atts['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 = 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 . '"';
}
}
return $attributes;
}
/**
* Menu Fallback
* =============
* If this function is assigned to the wp_nav_menu's fallback_cb variable
* and a menu 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' ) ) {
/* Get Arguments. */
$container = $args['container'];
$container_id = $args['container_id'];
$container_class = $args['container_class'];
$menu_class = $args['menu_class'];
$menu_id = $args['menu_id'];
if ( $container ) {
echo '<' . esc_attr( $container );
if ( $container_id ) {
echo ' id="' . esc_attr( $container_id ) . '"';
}
if ( $container_class ) {
echo ' class="' . sanitize_html_class( $container_class ) . '"';
}
echo '>';
}
echo '<div';
if ( $menu_id ) {
echo ' id="' . esc_attr( $menu_id ) . '"';
}
if ( $menu_class ) {
echo ' class="' . esc_attr( $menu_class ) . '"';
}
echo '>';
echo '<a class="navbar-item" href="' . esc_url( admin_url( 'nav-menus.php' ) ) . '" title="">' . esc_attr( 'Add a menu', 'giottopress' ) . '</a>';
echo '</div>';
if ( $container ) {
echo '</' . esc_attr( $container ) . '>';
}
}
}
}
} // End if().