2010-02-24 08:06:36 +00:00
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<?php
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/**
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2010-02-28 20:00:49 +00:00
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* Displays a navigation menu.
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2010-02-24 08:06:36 +00:00
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*
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2010-02-27 23:06:56 +00:00
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* Optional $args contents:
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*
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* id - The menu id. Defaults to blank.
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* slug - The menu slug. Defaults to blank.
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* menu_class - CSS class to use for the div container of the menu list. Defaults to 'menu'.
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* format - Whether to format the ul. Defaults to 'div'.
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* fallback_cb - If the menu doesn't exists, a callback function will fire. Defaults to 'wp_page_menu'.
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2010-02-28 20:00:49 +00:00
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* before_link - Output text before the link.
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* after_link - Output text after the link.
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* before_title - Output text before the link text.
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* before_title - Output text after the link text.
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* echo - Whether to echo the menu or return it. Defaults to echo.
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2010-02-27 23:06:56 +00:00
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*
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* TODO:
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* 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.
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*
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2010-02-24 08:06:36 +00:00
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* @since 3.0.0
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*
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* @param array $args Arguments
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*/
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function wp_nav_menu( $args = array() ) {
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2010-03-15 16:26:46 +00:00
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$defaults = array( 'menu' => '', 'container' => 'div', 'container_class' => '', 'menu_class' => 'menu', 'echo' => true,
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'fallback_cb' => 'wp_page_menu', 'before_link' => '', 'after_link' => '', 'before_title' => '', 'after_title' => '', );
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2010-03-17 16:27:25 +00:00
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2010-02-27 23:06:56 +00:00
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$args = wp_parse_args( $args, $defaults );
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2010-02-28 20:00:49 +00:00
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$args = apply_filters( 'wp_nav_menu_args', $args );
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2010-02-24 08:45:26 +00:00
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$args = (object) $args;
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2010-03-01 12:53:51 +00:00
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2010-02-28 20:00:49 +00:00
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// Get the nav menu
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$menu = wp_get_nav_menu_object( $args->menu );
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2010-03-17 16:27:25 +00:00
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2010-02-28 20:00:49 +00:00
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// If we couldn't find a menu based off the name, id or slug,
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// get the first menu that has items.
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if ( !$menu ) {
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2010-02-24 08:45:26 +00:00
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$menus = wp_get_nav_menus();
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foreach ( $menus as $menu_maybe ) {
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if ( wp_get_nav_menu_items($menu_maybe->term_id) ) {
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$menu = $menu_maybe;
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break;
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}
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}
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}
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2010-03-01 12:53:51 +00:00
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2010-03-17 21:34:24 +00:00
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if ( $menu && ! is_wp_error( $menu ) )
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2010-03-01 12:53:51 +00:00
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$args->menu = $menu->term_id;
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2010-02-28 20:00:49 +00:00
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$nav_menu = '';
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2010-03-01 12:53:51 +00:00
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2010-03-15 16:26:46 +00:00
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if ( 'div' == $args->container ) {
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$class = $args->container_class ? ' class="' . esc_attr($args->container_class) . '"' : '';
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2010-03-17 21:34:24 +00:00
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2010-03-15 16:26:46 +00:00
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if ( is_nav_menu($menu) ) {
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$nav_menu .= '<div id="menu-' . $menu->slug . '"'. $class .'>';
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} else {
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$nav_menu .= '<div'. $class .'>';
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}
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2010-03-01 12:53:51 +00:00
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}
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2010-02-28 20:00:49 +00:00
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$nav_menu .= wp_get_nav_menu( $args );
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2010-03-01 12:53:51 +00:00
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2010-03-15 16:26:46 +00:00
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if ( 'div' == $args->container )
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2010-02-28 20:00:49 +00:00
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$nav_menu .= '</div>';
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2010-03-17 21:34:24 +00:00
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2010-03-15 16:26:46 +00:00
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$nav_menu = apply_filters( 'wp_nav_menu', $nav_menu, $args );
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2010-03-01 12:53:51 +00:00
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if ( $args->echo )
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echo $nav_menu;
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else
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return $nav_menu;
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2010-02-24 08:06:36 +00:00
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}
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2010-02-28 20:00:49 +00:00
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/**
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* Returns a Navigation Menu.
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*
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* See wp_nav_menu() for args.
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*
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* @since 3.0.0
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*
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* @param array $args Arguments
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* @return mixed $output False if menu doesn't exists, else, returns the menu.
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**/
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function wp_get_nav_menu( $args = array() ) {
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2010-03-15 16:26:46 +00:00
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$defaults = array( 'menu' => '', 'menu_class' => 'menu', 'context' => 'frontend',
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'fallback_cb' => '', 'before_link' => '', 'after_link' => '', 'before_title' => '', 'after_title' => '', );
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2010-03-17 21:34:24 +00:00
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2010-02-28 20:00:49 +00:00
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$args = wp_parse_args( $args, $defaults );
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$args = apply_filters( 'wp_get_nav_menu_args', $args );
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$args = (object) $args;
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2010-03-17 21:34:24 +00:00
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2010-03-15 16:26:46 +00:00
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// Variable setup
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$nav_menu = '';
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$items = '';
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$current_parent = 0;
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$parent_stack = array();
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$parent_menu_order = array();
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2010-03-17 21:34:24 +00:00
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2010-03-15 16:26:46 +00:00
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// Get the menu object
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2010-02-28 20:00:49 +00:00
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$menu = wp_get_nav_menu_object( $args->menu );
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2010-03-17 21:34:24 +00:00
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2010-03-15 16:26:46 +00:00
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// If the menu exists, get it's items.
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if ( $menu && !is_wp_error($menu) )
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$menu_items = wp_get_nav_menu_items( $menu->term_id, 'backend' );
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2010-03-17 21:34:24 +00:00
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2010-03-15 16:26:46 +00:00
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// If no menu was found or if the menu has no items, call the fallback_cb
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if ( !$menu || is_wp_error($menu) || ( isset($menu_items) && empty($menu_items) ) ) {
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2010-03-01 12:53:51 +00:00
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if ( function_exists($args->fallback_cb) ) {
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$_args = array_merge( (array)$args, array('echo' => false) );
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return call_user_func( $args->fallback_cb, $_args );
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}
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2010-02-24 08:06:36 +00:00
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}
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2010-03-17 21:34:24 +00:00
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2010-03-15 16:26:46 +00:00
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foreach ( $menu_items as $key => $menu_item ) {
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2010-03-17 04:39:50 +00:00
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// Set up the $menu_item variables
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2010-03-15 16:26:46 +00:00
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$menu_item = wp_setup_nav_menu_item( $menu_item, 'frontend' );
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2010-03-13 18:47:44 +00:00
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2010-03-16 22:01:49 +00:00
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$type = $menu_item->append;
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2010-03-15 16:26:46 +00:00
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$maybe_value = 'frontend' == $args->context ? '' : ' value="'. $menu_item->ID .'"';
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$classes = 'frontend' == $args->context ? ' class="menu-item-type-'. $type . $menu_item->li_class .'"' : '';
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2010-03-17 21:34:24 +00:00
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2010-03-15 16:26:46 +00:00
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$items .= '<li id="menu-item-'. $menu_item->ID .'"'. $maybe_value . $classes .'>';
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$items .= wp_get_nav_menu_item( $menu_item, $args->context, $args );
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2010-03-17 21:34:24 +00:00
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2010-02-28 20:00:49 +00:00
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// Indent children
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$last_item = ( count( $menu_items ) == $menu_item->menu_order );
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2010-03-15 16:26:46 +00:00
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if ( $last_item || $current_parent != $menu_items[$key + 1]->post_parent ) {
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if ( $last_item || in_array( $menu_items[$key + 1]->post_parent, $parent_stack ) ) {
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$items .= '</li>';
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while ( !empty( $parent_stack ) && ($last_item || $menu_items[$key + 1]->post_parent != $current_parent ) ) {
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$items .= '</ul></li>';
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2010-02-28 20:00:49 +00:00
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$current_parent = array_pop( $parent_stack );
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}
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} else {
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array_push( $parent_stack, $current_parent );
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$current_parent = $menu_item->ID;
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2010-03-15 16:26:46 +00:00
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$items .= '<ul class="sub-menu">';
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2010-02-28 20:00:49 +00:00
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}
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} else {
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2010-03-15 16:26:46 +00:00
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$items .= '</li>';
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2010-02-28 20:00:49 +00:00
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}
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2010-03-15 16:26:46 +00:00
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}
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2010-03-17 21:34:24 +00:00
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2010-03-15 16:26:46 +00:00
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// CSS class
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$ul_class = $args->menu_class ? ' class="'. $args->menu_class .'"' : '';
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$nav_menu .= '<ul'. $ul_class .'>';
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2010-03-17 21:34:24 +00:00
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2010-03-15 16:26:46 +00:00
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// Allow plugins to hook into the menu to add their own <li>'s
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if ( 'frontend' == $args->context ) {
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$items = apply_filters( 'wp_nav_menu_items', $items, $args );
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$items = apply_filters( "wp_nav_menu_{$menu->slug}_items", $items, $args );
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$nav_menu .= $items;
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} else {
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$nav_menu .= $items;
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}
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2010-03-17 21:34:24 +00:00
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2010-02-28 20:00:49 +00:00
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$nav_menu .= '</ul>';
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2010-03-17 21:34:24 +00:00
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2010-02-28 20:00:49 +00:00
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return apply_filters( 'wp_get_nav_menu', $nav_menu );
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2010-02-24 08:06:36 +00:00
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}
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2010-02-28 20:00:49 +00:00
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/**
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2010-03-15 16:26:46 +00:00
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* Returns the menu item formatted based on it's context.
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2010-02-28 20:00:49 +00:00
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*
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* @since 3.0.0
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*
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2010-03-15 16:26:46 +00:00
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* @param string $menu_item The menu item to format.
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* @param string $context The context to which the menu item will be formatted to.
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* @param string $args Optional. Args used for the 'template' context.
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* @return string $output The menu formatted menu item.
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*/
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function wp_get_nav_menu_item( $menu_item, $context = 'frontend', $args = array() ) {
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$output = '';
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2010-02-24 08:06:36 +00:00
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switch ( $context ) {
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case 'frontend':
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2010-03-15 16:26:46 +00:00
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$attributes = ( isset($menu_item->anchor_title) && '' != $menu_item->anchor_title ) ? ' title="'. esc_attr($menu_item->anchor_title) .'"' : '';
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$attributes .= ( isset($menu_item->target) && '' != $menu_item->target ) ? ' target="'. esc_attr($menu_item->target) .'"' : '';
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$attributes .= ( isset($menu_item->classes) && '' != $menu_item->classes ) ? ' class="'. esc_attr($menu_item->classes) .'"' : '';
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$attributes .= ( isset($menu_item->xfn) && '' != $menu_item->xfn ) ? ' rel="'. esc_attr($menu_item->xfn) .'"' : '';
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$attributes .= ( isset($menu_item->url) && '' != $menu_item->url ) ? ' href="'. esc_attr($menu_item->url) .'"' : '';
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2010-03-17 21:34:24 +00:00
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2010-03-15 16:26:46 +00:00
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$output .= esc_html( $args->before_link );
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$output .= '<a'. $attributes .'>';
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$output .= esc_html( $args->before_title . $menu_item->title . $args->after_title );
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$output .= '</a>';
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$output .= esc_html( $args->after_link );
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2010-03-17 21:34:24 +00:00
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2010-02-28 20:00:49 +00:00
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break;
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2010-03-17 21:34:24 +00:00
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2010-02-28 20:00:49 +00:00
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case 'backend':
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2010-03-15 16:26:46 +00:00
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$output .= '<dl><dt>';
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$output .= '<span class="item-title">'. esc_html($menu_item->title) .'</span>';
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$output .= '<span class="item-controls">';
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2010-03-17 16:18:41 +00:00
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if ( 'custom' == $menu_item->type ) {
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$label = __('Custom');
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} elseif ( 'post_type' == $menu_item->type ) {
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$type_obj = get_post_type_object($menu_item->append);
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$label = $type_obj->singular_label;
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} elseif ( 'taxonomy' == $menu_item->type ) {
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$taxonomy = get_taxonomy($menu_item->append);
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$label = $taxonomy->singular_label;
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} else {
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$label = $menu_item->append;
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}
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$output .= '<span class="item-type">'. esc_html($label) .'</span>';
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2010-03-17 21:34:24 +00:00
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2010-02-28 20:00:49 +00:00
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// Actions
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2010-03-15 16:26:46 +00:00
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$output .= '<a class="item-edit thickbox" id="edit'. esc_attr( $menu_item->menu_order ) .'" value="'. esc_attr( $menu_item->menu_order ) .'" title="'. __('Edit Menu Item') .'" href="#TB_inline?height=540&width=300&inlineId=menu-item-settings">'. __('Edit') .'</a> | ';
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$output .= '<a class="item-delete" id="delete'. esc_attr( $menu_item->menu_order ) .'" value="'. esc_attr( $menu_item->menu_order ) .'">'. __('Delete') .'</a>';
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2010-03-17 21:34:24 +00:00
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2010-03-15 16:26:46 +00:00
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$output .= '</dt></dl>';
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2010-03-17 21:34:24 +00:00
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2010-02-28 20:00:49 +00:00
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// Menu Item Settings
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2010-03-15 16:26:46 +00:00
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$output .= '<input type="hidden" name="menu-item-db-id[]" id="menu-item-db-id'. esc_attr( $menu_item->menu_order ) .'" value="'. esc_attr( $menu_item->ID ) .'" />';
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$output .= '<input type="hidden" name="menu-item-object-id[]" id="menu-item-object-id'. esc_attr( $menu_item->menu_order ) .'" value="'. esc_attr( $menu_item->object_id ) .'" />';
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$output .= '<input type="hidden" name="menu-item-parent-id[]" id="menu-item-parent-id'. esc_attr( $menu_item->menu_order ) .'" value="'. esc_attr( $menu_item->post_parent ) .'" />';
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$output .= '<input type="hidden" name="menu-item-position[]" id="menu-item-position'. esc_attr( $menu_item->menu_order ) .'" value="'. esc_attr( $menu_item->menu_order ) .'" />';
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$output .= '<input type="hidden" name="menu-item-type[]" id="menu-item-type'. esc_attr( $menu_item->menu_order ) .'" value="'. esc_attr( $menu_item->type ) .'" />';
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$output .= '<input type="hidden" name="menu-item-append[]" id="menu-item-append'. esc_attr( $menu_item->menu_order ) .'" value="'. esc_attr( $menu_item->append ) .'" />';
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$output .= '<input type="hidden" name="menu-item-title[]" id="menu-item-title'. esc_attr( $menu_item->menu_order ) .'" value="'. esc_attr( $menu_item->title ) .'" />';
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$output .= '<input type="hidden" name="menu-item-url[]" id="menu-item-url'. esc_attr( $menu_item->menu_order ) .'" value="'. esc_attr( $menu_item->url ) .'" />';
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$output .= '<input type="hidden" name="menu-item-description[]" id="menu-item-description'. esc_attr( $menu_item->menu_order ) .'" value="'. esc_attr( $menu_item->description ) .'" />';
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$output .= '<input type="hidden" name="menu-item-classes[]" id="menu-item-classes'. esc_attr( $menu_item->menu_order ) .'" value="'. esc_attr( $menu_item->classes ) .'" />';
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$output .= '<input type="hidden" name="menu-item-xfn[]" id="menu-item-xfn'. esc_attr( $menu_item->menu_order ) .'" value="'. esc_attr( $menu_item->xfn ) .'" />';
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$output .= '<input type="hidden" name="menu-item-attr-title[]" id="menu-item-attr-title'. esc_attr( $menu_item->menu_order ) .'" value="'.esc_attr( $menu_item->post_excerpt ) .'" />';
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$output .= '<input type="hidden" name="menu-item-target[]" id="menu-item-target'. esc_attr( $menu_item->menu_order ) .'" value="'. esc_attr( $menu_item->target ) .'" />';
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2010-02-28 20:00:49 +00:00
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break;
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2010-03-17 21:34:24 +00:00
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2010-03-15 16:26:46 +00:00
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case 'custom':
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$menu_id = 'menu-item-' . $menu_item->db_id;
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$output .= '<label class="menu-item-title"><input type="checkbox" id="'. esc_attr( $menu_id ) .'" name="'. esc_attr( $menu_item->title ) .'" value="'. esc_attr( $menu_item->url ) .'" />'. $menu_item->title .'</label>';
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2010-03-17 21:34:24 +00:00
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|
2010-03-15 16:26:46 +00:00
|
|
|
// Menu item hidden fields
|
|
|
|
$output .= '<input type="hidden" class="menu-item-db-id" value="'. esc_attr( $menu_item->db_id ) .'" />';
|
|
|
|
$output .= '<input type="hidden" class="menu-item-object-id" value="'. esc_attr( $menu_item->object_id ) .'" />';
|
|
|
|
$output .= '<input type="hidden" class="menu-item-parent-id" value="'. esc_attr( $menu_item->parent_id ) .'" />';
|
|
|
|
$output .= '<input type="hidden" class="menu-item-type" value="'. esc_attr( $menu_item->type ) .'" />';
|
|
|
|
$output .= '<input type="hidden" class="menu-item-append" value="'. esc_attr( $menu_item->append ) .'" />';
|
|
|
|
$output .= '<input type="hidden" class="menu-item-title" value="'. esc_attr( $menu_item->title ) .'" />';
|
|
|
|
$output .= '<input type="hidden" class="menu-item-url" value="'. esc_attr( $menu_item->url ) .'" />';
|
|
|
|
$output .= '<input type="hidden" class="menu-item-target" value="'. esc_attr( $menu_item->target ) .'" />';
|
|
|
|
$output .= '<input type="hidden" class="menu-item-attr_title" value="'. esc_attr( $menu_item->attr_title ) .'" />';
|
|
|
|
$output .= '<input type="hidden" class="menu-item-description" value="'. esc_attr( $menu_item->description ) .'" />';
|
|
|
|
$output .= '<input type="hidden" class="menu-item-classes" value="'. esc_attr( $menu_item->classes ) .'" />';
|
|
|
|
$output .= '<input type="hidden" class="menu-item-xfn" value="'. esc_attr( $menu_item->xfn ) .'" />';
|
|
|
|
break;
|
2010-03-17 21:34:24 +00:00
|
|
|
|
2010-03-15 16:26:46 +00:00
|
|
|
case 'taxonomy':
|
|
|
|
case 'post_type':
|
|
|
|
$menu_id = 'menu-item-' . $menu_item->db_id;
|
|
|
|
$output .= '<label class="menu-item-title"><input type="checkbox" id="'. esc_attr( $menu_id ) .'" name="'. esc_attr( $menu_item->title ) .'" value="'. esc_attr( $menu_item->url ) .'" />'. $menu_item->title .'</label>';
|
2010-03-17 21:34:24 +00:00
|
|
|
|
2010-03-15 16:26:46 +00:00
|
|
|
// Menu item hidden fields
|
|
|
|
$output .= '<input type="hidden" class="menu-item-db-id" value="0" />';
|
|
|
|
$output .= '<input type="hidden" class="menu-item-object-id" value="'. esc_attr( $menu_item->object_id ) .'" />';
|
|
|
|
$output .= '<input type="hidden" class="menu-item-parent-id" value="'. esc_attr( $menu_item->parent_id ) .'" />';
|
|
|
|
$output .= '<input type="hidden" class="menu-item-type" value="'. esc_attr( $menu_item->type ) .'" />';
|
|
|
|
$output .= '<input type="hidden" class="menu-item-append" value="'. esc_attr( $menu_item->append ) .'" />';
|
|
|
|
$output .= '<input type="hidden" class="menu-item-title" value="'. esc_attr( $menu_item->title ) .'" />';
|
|
|
|
$output .= '<input type="hidden" class="menu-item-url" value="'. esc_attr( $menu_item->url ) .'" />';
|
|
|
|
$output .= '<input type="hidden" class="menu-item-append" value="'. esc_attr( $menu_item->append ) .'" />';
|
2010-02-28 20:00:49 +00:00
|
|
|
break;
|
2010-02-24 08:06:36 +00:00
|
|
|
}
|
2010-03-17 21:34:24 +00:00
|
|
|
|
2010-03-15 16:26:46 +00:00
|
|
|
return $output;
|
2010-02-24 08:06:36 +00:00
|
|
|
}
|
|
|
|
?>
|