Wordpress/wp-includes/nav-menu-template.php
2010-02-27 23:06:56 +00:00

178 lines
8.5 KiB
PHP

<?php
/**
* Outputs a navigation menu.
*
* Optional $args contents:
*
* id - The menu id. Defaults to blank.
* slug - The menu slug. Defaults to blank.
* menu_class - CSS class to use for the div container of the menu list. Defaults to 'menu'.
* format - Whether to format the ul. Defaults to 'div'.
* fallback_cb - If the menu doesn't exists, a callback function will fire. Defaults to 'wp_page_menu'.
*
* TODO:
* show_home - If you set this argument, then it will display the link to the home page. The show_home argument really just needs to be set to the value of the text of the link.
* link_before - Text before show_home argument text.
* link_after - Text after show_home argument text.
* echo - Whether to echo the menu or return it. Defaults to echo.
*
* @since 3.0.0
*
* @param array $args Arguments
*/
function wp_nav_menu( $args = array() ) {
$defaults = array( 'id' => '', 'slug' => '', 'menu_class' => 'menu', 'format' => 'div', 'fallback_cb' => 'wp_page_menu', 'echo' => true, 'link_before' => '', 'link_after' => '' );
$args = wp_parse_args( $args, $defaults );
$args = (object) $args;
// Get the menu
$menu = null;
if ( !empty($args->id) ) {
$menu = wp_get_nav_menu( $args->id );
} elseif ( !empty($args->slug) ) {
$menu = get_term_by( 'slug', $args->slug, 'nav_menu' );
} else {
$menus = wp_get_nav_menus();
foreach ( $menus as $menu_maybe ) {
if ( wp_get_nav_menu_items($menu_maybe->term_id) ) {
$menu = $menu_maybe;
break;
}
}
}
// If the menu doesn't exists, call the fallback_cb
if ( !$menu || is_wp_error($menu) )
return call_user_func($args->fallback_cb, $args );
if ( 'div' == $args->format )
echo '<div class="' . esc_attr($args->menu_class) . '"><ul>';
$args->id = $menu->term_id;
wp_print_nav_menu($args);
if ( 'div' == $args->format )
echo '</ul></div>';
}
function wp_print_nav_menu( $args = array() ) {
// Defaults
$defaults = array( 'type' => 'frontend', 'name' => 'Menu 1', 'id' => 0, 'desc' => 2, 'before_title' => '', 'after_title' => '');
$args = wp_parse_args($args, $defaults);
extract($args, EXTR_SKIP);
$menu_items = wp_get_nav_menu_items( $id );
$parent_stack = array();
$current_parent = 0;
$parent_menu_order = array();
// Setup parentage
foreach ( $menu_items as $menu_item ) {
$parent_menu_order[ $menu_item->ID ] = $menu_item->menu_order;
}
// Display Loop
foreach ( $menu_items as $key => $menu_item ) {
$menu_item = wp_setup_nav_menu_item($menu_item);
// List Items
?><li id="menu-<?php echo $menu_item->ID; ?>" value="<?php echo $menu_item->ID; ?>" <?php echo $menu_item->li_class; ?>><?php
wp_print_nav_menu_item($menu_item, $type, $args);
// Indent children
$last_item = ( count( $menu_items ) == $menu_item->menu_order );
if ( $last_item || $current_parent != $menu_items[ $key + 1 ]->post_parent ) {
if ( $last_item || in_array( $menu_items[ $key + 1 ]->post_parent, $parent_stack ) ) { ?>
</li>
<?php while ( !empty( $parent_stack ) && ($last_item || $menu_items[ $key + 1 ]->post_parent != $current_parent ) ) { ?>
</ul>
</li>
<?php $current_parent = array_pop( $parent_stack );
} ?>
<?php } else {
array_push( $parent_stack, $current_parent );
$current_parent = $menu_item->ID; ?>
<ul>
<?php }
} else { ?>
</li>
<?php }
}
}
function wp_print_nav_menu_item( $menu_item, $context, $args = array() ) {
switch ( $context ) {
case 'backend':
case 'menu':
?>
<dl>
<dt>
<span class="item-title"><?php echo esc_html($menu_item->title); ?></span>
<span class="item-controls">
<span class="item-type"><?php echo esc_html($menu_item->type); ?></span>
<a class="item-edit thickbox" id="edit<?php echo esc_attr( $menu_item->menu_order ); ?>" value="<?php echo esc_attr( $menu_item->menu_order ); ?>" title="<?php _e('Edit Menu Item'); ?>" href="#TB_inline?height=380&width=300&inlineId=menu-item-settings"><?php _e('Edit'); ?></a> |
<a class="item-delete" id="delete<?php echo esc_attr( $menu_item->menu_order ); ?>" value="<?php echo esc_attr( $menu_item->menu_order ); ?>"><?php _e('Delete'); ?></a>
</span>
</dt>
</dl>
<?php if ( 'backend' == $context ) { ?>
<a><span class=""></span></a>
<?php } else { ?>
<a class="hide" href="<?php echo $menu_item->link; ?>"><?php echo esc_html( $menu_item->title ); ?></a>
<?php } ?>
<input type="hidden" name="dbid<?php echo esc_attr( $menu_item->menu_order ); ?>" id="dbid<?php echo esc_attr( $menu_item->menu_order ); ?>" value="<?php echo esc_attr( $menu_item->ID ); ?>" />
<input type="hidden" name="postmenu<?php echo esc_attr( $menu_item->menu_order ); ?>" id="postmenu<?php echo esc_attr( $menu_item->menu_order ); ?>" value="<?php echo esc_attr( get_post_meta( $menu_item->ID, 'object_id', true ) ); ?>" />
<input type="hidden" name="parent<?php echo esc_attr( $menu_item->menu_order ); ?>" id="parent<?php echo esc_attr( $menu_item->menu_order ); ?>" value="<?php echo esc_attr( $menu_item->parent_item ); ?>" />
<input type="hidden" name="icon<?php echo esc_attr( $menu_item->menu_order ); ?>" id="icon<?php echo esc_attr( $menu_item->menu_order ); ?>" value="0" />
<input type="hidden" name="position<?php echo esc_attr( $menu_item->menu_order ); ?>" id="position<?php echo esc_attr( $menu_item->menu_order ); ?>" value="<?php echo esc_attr( $menu_item->menu_order ); ?>" />
<input type="hidden" name="linktype<?php echo esc_attr( $menu_item->menu_order ); ?>" id="linktype<?php echo esc_attr( $menu_item->menu_order ); ?>" value="<?php echo esc_attr( get_post_meta( $menu_item->ID, 'menu_type', true ) ); ?>" />
<input type="hidden" name="item-title<?php echo esc_attr( $menu_item->menu_order ); ?>" id="item-title<?php echo esc_attr( $menu_item->menu_order ); ?>" value="<?php echo esc_attr( $menu_item->title ); ?>" />
<input type="hidden" name="item-url<?php echo esc_attr( $menu_item->menu_order ); ?>" id="item-url<?php echo esc_attr( $menu_item->menu_order ); ?>" value="<?php echo esc_attr( $menu_item->link ); ?>" />
<input type="hidden" name="item-description<?php echo esc_attr( $menu_item->menu_order ); ?>" id="item-description<?php echo esc_attr( $menu_item->menu_order ); ?>" value="<?php echo esc_attr( $menu_item->description ); ?>" />
<input type="hidden" name="item-attr-title<?php echo esc_attr( $menu_item->menu_order ); ?>" id="item-attr-title<?php echo esc_attr( $menu_item->menu_order ); ?>" value="<?php echo esc_attr( $menu_item->post_excerpt ); ?>" />
<input type="hidden" name="item-target<?php echo esc_attr( $menu_item->menu_order ); ?>" id="item-target<?php echo esc_attr( $menu_item->menu_order ); ?>" value="<?php echo ( get_post_meta( $menu_item->ID, 'menu_new_window', true ) ? '1' : '0' ); ?>" />
<?php
break;
case 'frontend':
// Override for menu descriptions
$advanced_option_descriptions = get_option('wp_settings_nav_menu_advanced_options');
if ( $advanced_option_descriptions == 'no' )
$args['desc'] = 2;
?>
<a title="<?php echo esc_attr( $menu_item->anchor_title ); ?>" href="<?php echo esc_url( $menu_item->link ); ?>" <?php echo $menu_item->target; ?>><?php echo $args['before_title'] . esc_html( $menu_item->title ) . $args['after_title']; ?><?php
if ( $advanced_option_descriptions == 'no' ) {
// 2 widget override do NOT display descriptions
// 1 widget override display descriptions
// 0 widget override not set
if ( ($args['desc'] == 1) || ($args['desc'] == 0) ) {
?><span class="nav-description"><?php echo $menu_item->description; ?></span><?php
}
} else {
// 2 widget override do NOT display descriptions
// 1 widget override display descriptions
// 0 widget override not set
if ( $args['desc'] == 1 ) {
?><span class="nav-description"><?php echo $menu_item->description; ?></span><?php
}
}
?></a>
<?php
break;
case 'default':
$menu_id = 'menu-item-' . $menu_item->ID;
?>
<dl>
<dt>
<label class="item-title"><input type="checkbox" id="<?php echo esc_attr($menu_id); ?>" onclick="wp_update_queue('<?php echo esc_js( $menu_item->append ); ?>','<?php echo esc_js( $menu_item->title ); ?>','<?php echo esc_js( $menu_item->link ); ?>','<?php echo esc_js( $menu_item->ID ); ?>','<?php echo esc_js( $menu_item->parent_item ); ?>','<?php echo esc_js( $menu_item->description ); ?>')" name="<?php echo esc_attr( $menu_item->title ); ?>" value="<?php echo esc_attr( $menu_item->link ); ?>" /><?php echo $menu_item->title; ?></label>
</dt>
</dl>
<?php
break;
}
}
?>