在一级Wordpress自定义助行器菜单中强制自定义href链接

Question

我的主题中有一个自定义的助行器菜单，我想强制一级菜单的href始终为<a href="javascript:void(0);">，当且仅当它有子菜单时。它只适用于第一个级别，而不适用于其他级别。在管理员中，我最终会添加一个空的自定义链接。有没有一种方法可以用我的定制助行器实现这一点。谢谢；-(

class ffe18_Walker_Nav_Menu extends Walker_Nav_Menu {

/**
* Starts the list before the elements are added.
*
* Adds classes to the unordered list sub-menus.
*
* @param string $output Passed by reference. Used to append additional content.
* @param int    $depth  Depth of menu item. Used for padding.
* @param array  $args   An array of arguments. @see wp_nav_menu()
*/
function start_lvl( &$output, $depth = 0, $args = array() ) {
// Depth-dependent classes.
$indent = ( $depth > 0  ? str_repeat( "t", $depth ) : '' ); // code indent
$display_depth = ( $depth + 1); // because it counts the first submenu as 0
$classes = array(
'sub-menu',
( $display_depth % 2  ? 'menu-odd' : 'menu-even' ),
( $display_depth >=2 ? 'sub-sub-menu' : '' ),
'menu-depth-' . $display_depth
);
$class_names = implode( ' ', $classes );

// Build HTML for output.
$output .= "n" . $indent . '<ul class="' . $class_names . '">' . "n";
}

/**
* Start the element output.
*
* Adds main/sub-classes to the list items and links.
*
* @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    $id     Current item ID.
*/
function start_el( &$output, $item, $depth = 0, $args = array(), $id = 0 ) {
global $wp_query;
$indent = ( $depth > 0 ? str_repeat( "t", $depth ) : '' ); // code indent

// Depth-dependent classes.
$depth_classes = array(
( $depth == 0 ? 'main-menu-item' : 'sub-menu-item' ),
( $depth >=2 ? 'sub-sub-menu-item' : '' ),
( $depth % 2 ? 'menu-item-odd' : 'menu-item-even' ),
'menu-item-depth-' . $depth
);
$depth_class_names = esc_attr( implode( ' ', $depth_classes ) );

// Passed classes.
$classes = empty( $item->classes ) ? array() : (array) $item->classes;
$class_names = esc_attr( implode( ' ', apply_filters( 'nav_menu_css_class', array_filter( $classes ), $item ) ) );

// Build HTML.
$output .= $indent . '<li id="nav-menu-item-'. $item->ID . '" class="' . $depth_class_names . ' ' . $class_names . '">';

// Link 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 .= ' class="menu-link ' . ( $depth > 0 ? 'sub-menu-link' : 'main-menu-link' ) . '"';

// Build HTML output and pass through the proper filter.
$item_output = sprintf( '%1$s<a%2$s>%3$s%4$s%5$s</a>%6$s',
$args->before,
$attributes,
$args->link_before,
apply_filters( 'the_title', $item->title, $item->ID ),
$args->link_after,
$args->after
);
$output .= apply_filters( 'walker_nav_menu_start_el', $item_output, $item, $depth, $args );
}
}

Answer 1

您可以使用CSS简单地实现这一点。

YOUR CSS SELECTOR > a {
pointer-events: none;
}