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/**
* Create HTML list of pages.
*
* @since 1.0
* @uses Walker_Page
*/
class Rational_Walker_Page extends Walker_Page {
/**
* @see Walker_Page::start_lvl()
* @since 1.0
*
* @param string $output Passed by reference. Used to append additional content.
* @param int $depth Depth of page. Used for padding.
* @param array $args
*/
public function start_lvl( &$output, $depth = 0, $args = array() ) {
$indent = str_repeat("\t", $depth);
$output .= "\n$indent<ul class='sub-menu'>\n";
}
/**
* @see Walker_Page::start_el()
* @since 1.0
*
* @param string $output Passed by reference. Used to append additional content.
* @param object $page Page data object.
* @param int $depth Depth of page. Used for padding.
* @param int $current_page Page ID.
* @param array $args
*/
public function start_el( &$output, $page, $depth = 0, $args = array(), $current_page = 0 ) {
if ( $depth ) {
$indent = str_repeat( "\t", $depth );
} else {
$indent = '';
}
// Removed the page item and page id classes
$css_class = array();
if ( isset( $args['pages_with_children'][ $page->ID ] ) ) {
// simpler, parent class
$css_class[] = 'parent';
}
// simpler, ancestor classes
if ( ! empty( $current_page ) ) {
$_current_page = get_post( $current_page );
if ( $_current_page && in_array( $page->ID, $_current_page->ancestors ) ) {
$css_class[] = 'active-ancestor';
}
if ( $page->ID == $current_page ) {
$css_class[] = 'active';
} elseif ( $_current_page && $page->ID == $_current_page->post_parent ) {
$css_class[] = 'active-parent';
}
} elseif ( $page->ID == get_option('page_for_posts') ) {
$css_class[] = 'active-parent';
}
/**
* Filter the list of CSS classes to include with each page item in the list.
*
* @since 1.0
*
* @see wp_list_pages()
*
* @param array $css_class An array of CSS classes to be applied
* to each list item.
* @param WP_Post $page Page data object.
* @param int $depth Depth of page, used for padding.
* @param array $args An array of arguments.
* @param int $current_page ID of the current page.
*/
$css_classes = implode( ' ', apply_filters( 'page_css_class', $css_class, $page, $depth, $args, $current_page ) );
if ( '' === $page->post_title ) {
$page->post_title = sprintf( __( '#%d (no title)' ), $page->ID );
}
$args['link_before'] = empty( $args['link_before'] ) ? '' : $args['link_before'];
$args['link_after'] = empty( $args['link_after'] ) ? '' : $args['link_after'];
/** This filter is documented in wp-includes/post-template.php */
// only add the class attribute if needed
$output .= $indent . sprintf(
'<li %s><a href="%s">%s%s%s</a>',
!empty( $css_classes ) ? "class='{$css_classes}'" : '',
get_permalink( $page->ID ),
$args['link_before'],
apply_filters( 'the_title', $page->post_title, $page->ID ),
$args['link_after']
);
if ( ! empty( $args['show_date'] ) ) {
if ( 'modified' == $args['show_date'] ) {
$time = $page->post_modified;
} else {
$time = $page->post_date;
}
$date_format = empty( $args['date_format'] ) ? '' : $args['date_format'];
$output .= " " . mysql2date( $date_format, $time );
}
}
} // Rational_Walker_Page
/**
* Create HTML list of nav menu items.
*
* @since 1.0
* @uses Walker_Nav_Menu
*/
class Rational_Walker_Nav_Menu extends Walker_Nav_Menu {
/**
* Start the element output.
*
* @see Walker_Nav_Menu::start_el()
*
* @since 1.0
*
* @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 array $args An array of arguments. @see wp_nav_menu()
* @param int $id Current item ID.
*/
public function start_el( &$output, $item, $depth = 0, $args = array(), $id = 0 ) {
$indent = ( $depth ) ? str_repeat( "\t", $depth ) : '';
$classes = empty( $item->classes ) ? array() : (array) $item->classes;
$classes[] = 'menu-item-' . $item->ID;
// Cleaner class array to replace default
$new_classes = array();
if ( in_array( 'menu-item-has-children', $classes ) )
$new_classes[] = 'parent';
if ( in_array( 'current-menu-item', $classes ) )
$new_classes[] = 'active';
if ( in_array( 'current-menu-ancestor', $classes ) )
$new_classes[] = 'active-ancestor';
if ( in_array( 'current-menu-parent', $classes ) )
$new_classes[] = 'active-parent';
$classes = $new_classes;
/**
* Filter the CSS class(es) applied to a menu item's list item element.
*
* @since 1.0
*
* @param array $classes The CSS classes that are applied to the menu item's `<li>` element.
* @param object $item The current menu item.
* @param array $args An array of {@see wp_nav_menu()} arguments.
* @param int $depth Depth of menu item. Used for padding.
*/
$class_names = join( ' ', apply_filters( 'nav_menu_css_class', array_filter( $classes ), $item, $args, $depth ) );
$class_names = $class_names ? ' class="' . esc_attr( $class_names ) . '"' : '';
// removed the ID
$output .= $indent . '<li' . $class_names .'>';
$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 : '';
/**
* Filter the HTML attributes applied to a menu item's anchor element.
*
* @since 1.0
*
* @param array $atts {
* The HTML attributes applied to the menu item's `<a>` element, empty strings are ignored.
*
* @type string $title Title attribute.
* @type string $target Target attribute.
* @type string $rel The rel attribute.
* @type string $href The href attribute.
* }
* @param object $item The current menu item.
* @param array $args An array of {@see wp_nav_menu()} arguments.
* @param int $depth Depth of menu item. Used for padding.
*/
$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 . '"';
}
}
$item_output = $args->before;
$item_output .= '<a'. $attributes .'>';
/** This filter is documented in wp-includes/post-template.php */
$item_output .= $args->link_before . apply_filters( 'the_title', $item->title, $item->ID ) . $args->link_after;
$item_output .= '</a>';
$item_output .= $args->after;
/**
* Filter a menu item's starting output.
*
* The menu item's starting output only includes `$args->before`, the opening `<a>`,
* the menu item's title, the closing `</a>`, and `$args->after`. Currently, there is
* no filter for modifying the opening and closing `<li>` for a menu item.
*
* @since 1.0
*
* @param string $item_output The menu item's starting HTML output.
* @param object $item Menu item data object.
* @param int $depth Depth of menu item. Used for padding.
* @param array $args An array of {@see wp_nav_menu()} arguments.
*/
$output .= apply_filters( 'walker_nav_menu_start_el', $item_output, $item, $depth, $args );
}
} // Rational_Walker_Nav_Menu
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