2010-02-24 03:06:36 -05:00
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<?php
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2010-03-31 03:54:09 -04:00
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/**
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* Navigation Menu template functions
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*
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* @package WordPress
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* @subpackage Nav_Menus
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* @since 3.0.0
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*/
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2010-02-24 03:06:36 -05:00
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/**
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2010-02-28 15:00:49 -05:00
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* Displays a navigation menu.
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2010-02-24 03:06:36 -05:00
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*
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2010-02-27 18:06:56 -05:00
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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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* before - Text before the link text.
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* after - Text after the link text.
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* link_before - Text before the link.
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* link_after - Text after the link.
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* echo - Whether to echo the menu or return it. Defaults to echo.
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2010-02-27 18:06:56 -05:00
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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 03:06:36 -05:00
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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( $args = array() ) {
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$defaults = array( 'menu' => '', 'container' => 'div', 'container_class' => '', 'menu_class' => 'menu', 'echo' => true,
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'fallback_cb' => 'wp_page_menu', 'before' => '', 'after' => '', 'link_before' => '', 'link_after' => '',
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'depth' => 0, 'walker' => '' );
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2010-03-17 12:27:25 -04:00
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2010-02-27 18:06:56 -05:00
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$args = wp_parse_args( $args, $defaults );
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$args = apply_filters( 'wp_nav_menu_args', $args );
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2010-02-24 03:45:26 -05:00
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$args = (object) $args;
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2010-03-01 07:53:51 -05:00
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2010-02-28 15:00:49 -05:00
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// Get the nav menu
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$menu = wp_get_nav_menu_object( $args->menu );
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2010-02-28 15:00:49 -05:00
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// If we couldn't find a menu based off the name, id or slug,
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// get the first menu that has items.
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if ( !$menu ) {
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$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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if ( $menu && ! is_wp_error( $menu ) )
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$args->menu = $menu->term_id;
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$nav_menu = '';
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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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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'. $class .'>';
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}
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}
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$nav_menu .= wp_get_nav_menu( $args );
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if ( 'div' == $args->container )
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$nav_menu .= '</div>';
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$nav_menu = apply_filters( 'wp_nav_menu', $nav_menu, $args );
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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 03:06:36 -05:00
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}
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2010-02-28 15:00:49 -05:00
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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( $args = array() ) {
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$defaults = array( 'menu' => '', 'menu_class' => 'menu', 'context' => 'frontend', 'depth' => 0,
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'fallback_cb' => '', 'walker' => '', 'before' => '', 'after' => '', 'link_before' => '', 'link_after' => '', );
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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) $args;
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2010-03-26 15:36:49 -04:00
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2010-03-15 12:26:46 -04:00
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// Variable setup
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$nav_menu = '';
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$items = '';
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// Get the menu object
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$menu = wp_get_nav_menu_object( $args->menu );
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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, $args->context );
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// If no menu was found or if the menu has no items, call the fallback_cb
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if ( !$menu || is_wp_error($menu) || ( isset($menu_items) && empty($menu_items) ) ) {
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if ( function_exists($args->fallback_cb) || is_callable( $args->fallback_cb ) ) {
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$_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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}
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2010-03-22 15:56:16 -04:00
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// Set up the $menu_item variables
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foreach ( (array) $menu_items as $key => $menu_item )
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$menu_items[$menu_item->menu_order] = wp_setup_nav_menu_item( $menu_item, 'frontend' );
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$items .= walk_nav_menu_tree( $menu_items, $args->depth, $args );
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// CSS class
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$ul_class = $args->menu_class ? ' class="'. $args->menu_class .'"' : '';
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$nav_menu .= '<ul'. $ul_class .'>';
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// 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 .= $items;
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}
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$nav_menu .= '</ul>';
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return apply_filters( 'wp_get_nav_menu', $nav_menu );
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}
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2010-02-28 15:00:49 -05:00
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/**
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* Returns the menu item formatted based on it's context.
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2010-02-28 15:00:49 -05:00
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*
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* @since 3.0.0
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*
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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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switch ( $context ) {
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case 'frontend':
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$attributes = ( isset($menu_item->attr_title) && '' != $menu_item->attr_title ) ? ' title="'. esc_attr($menu_item->attr_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->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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$output .= esc_html( $args->before );
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$output .= '<a'. $attributes .'>';
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$output .= esc_html( $args->link_before . apply_filters('the_title', $menu_item->title) . $args->link_after );
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$output .= '</a>';
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$output .= esc_html( $args->after );
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break;
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case 'backend':
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$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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$output .= '<span class="item-type">'. esc_html( $menu_item->append ) .'</span>';
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// Actions
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$output .= '<a class="item-edit thickbox" id="edit-'. esc_attr( $menu_item->ID ) .'" value="'. esc_attr( $menu_item->ID ) .'" title="'. __('Edit Menu Item') .'" href="#TB_inline?height=540&width=300&inlineId=menu-item-settings">'. __('Edit') .'</a> | ';
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$output .= '<a class="item-delete" id="delete-'. esc_attr( $menu_item->ID ) .'" value="'. esc_attr( $menu_item->ID ) .'">'. __('Delete') .'</a>';
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$output .= '</span></dt></dl>';
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// Menu Item Settings
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$output .= '<input type="hidden" name="menu-item-db-id[]" value="'. esc_attr( $menu_item->ID ) .'" />';
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$output .= '<input type="hidden" name="menu-item-object-id[]" value="'. esc_attr( $menu_item->object_id ) .'" />';
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$output .= '<input type="hidden" name="menu-item-object[]" value="'. esc_attr( $menu_item->object ) .'" />';
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$output .= '<input type="hidden" name="menu-item-parent-id[]" value="'. esc_attr( $menu_item->post_parent ) .'" />';
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$output .= '<input type="hidden" name="menu-item-position[]" value="'. esc_attr( $menu_item->menu_order ) .'" />';
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$output .= '<input type="hidden" name="menu-item-type[]" value="'. esc_attr( $menu_item->type ) .'" />';
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$output .= '<input type="hidden" name="menu-item-title[]" value="'. esc_attr( $menu_item->title ) .'" />';
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$output .= '<input type="hidden" name="menu-item-url[]" value="'. esc_attr( $menu_item->url ) .'" />';
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$output .= '<input type="hidden" name="menu-item-description[]" value="'. esc_attr( $menu_item->description ) .'" />';
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$output .= '<input type="hidden" name="menu-item-classes[]" value="'. esc_attr( $menu_item->classes ) .'" />';
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$output .= '<input type="hidden" name="menu-item-xfn[]" value="'. esc_attr( $menu_item->xfn ) .'" />';
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$output .= '<input type="hidden" name="menu-item-attr-title[]" value="'.esc_attr( $menu_item->post_excerpt ) .'" />';
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$output .= '<input type="hidden" name="menu-item-target[]" value="'. esc_attr( $menu_item->target ) .'" />';
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2010-02-28 15:00:49 -05:00
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break;
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case 'custom':
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case 'taxonomy':
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case 'post_type':
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$output .= '<label class="menu-item-title"><input type="checkbox" id="'. esc_attr( 'menu-item-' . $menu_item->object_id ) .'" value="'. esc_attr( $menu_item->url ) .'" />'. $menu_item->title .'</label>';
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2010-03-26 15:36:49 -04:00
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2010-03-15 12:26:46 -04:00
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// Menu item hidden fields
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$output .= '<input type="hidden" class="menu-item-db-id" value="0" />';
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$output .= '<input type="hidden" class="menu-item-object-id" value="'. esc_attr( $menu_item->object_id ) .'" />';
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2010-03-22 15:56:16 -04:00
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$output .= '<input type="hidden" class="menu-item-object" value="'. esc_attr( $menu_item->object ) .'" />';
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$output .= '<input type="hidden" class="menu-item-parent-id" value="'. esc_attr( $menu_item->post_parent ) .'" />';
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2010-03-15 12:26:46 -04:00
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$output .= '<input type="hidden" class="menu-item-type" value="'. esc_attr( $menu_item->type ) .'" />';
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$output .= '<input type="hidden" class="menu-item-append" value="'. esc_attr( $menu_item->append ) .'" />';
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$output .= '<input type="hidden" class="menu-item-title" value="'. esc_attr( $menu_item->title ) .'" />';
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$output .= '<input type="hidden" class="menu-item-url" value="'. esc_attr( $menu_item->url ) .'" />';
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$output .= '<input type="hidden" class="menu-item-append" value="'. esc_attr( $menu_item->append ) .'" />';
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2010-03-15 12:26:46 -04:00
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$output .= '<input type="hidden" class="menu-item-target" value="'. esc_attr( $menu_item->target ) .'" />';
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$output .= '<input type="hidden" class="menu-item-attr_title" value="'. esc_attr( $menu_item->attr_title ) .'" />';
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$output .= '<input type="hidden" class="menu-item-description" value="'. esc_attr( $menu_item->description ) .'" />';
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$output .= '<input type="hidden" class="menu-item-classes" value="'. esc_attr( $menu_item->classes ) .'" />';
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$output .= '<input type="hidden" class="menu-item-xfn" value="'. esc_attr( $menu_item->xfn ) .'" />';
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break;
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}
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return $output;
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2010-02-24 03:06:36 -05:00
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}
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?>
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