WordPress/wp-admin/nav-menus.php

<?php
/**
 * WordPress Administration for Navigation Menus
 * Interface functions
 *
 * @version 1.1.0
 *
 * @package WordPress
 * @subpackage Administration
 */

require_once('admin.php');

if ( ! current_user_can('switch_themes') )
	wp_die( __( 'Cheatin&#8217; uh?' ));

wp_admin_css( 'nav-menu' );
wp_enqueue_script( 'jquery' );
wp_enqueue_script( 'jquery-ui-draggable' );
wp_enqueue_script( 'jquery-ui-droppable' );
wp_enqueue_script( 'jquery-ui-sortable' );
wp_enqueue_script( 'jquery-ui-dialog' );
wp_enqueue_script( 'nav-menu-dynamic-functions' );
wp_enqueue_script( 'nav-menu-default-items' );
wp_enqueue_script( 'jquery-autocomplete' );
wp_enqueue_script( 'nav-menu-php-functions' );

require_once( 'admin-header.php' );
require_once( ABSPATH . 'wp-admin/includes/nav-menu.php' );

function wp_reset_nav_menu() {
	wp_nav_menu_setup( true );
	return true;
}

$messages_div = '';
$menu_id_in_edit = 0;
$updated = false;
$advanced_option_descriptions = 'no';

// Check which menu is selected and if menu is in edit already
if ( isset( $_GET['edit-menu'] ) ) {
	$menu_selected_id = (int) $_GET['edit-menu'];
	$updated = true;
} elseif ( isset( $_POST[ 'menu-id-in-edit' ] ) ) {
	$menu_selected_id = (int) $_POST[ 'menu-id-in-edit' ];
} else {
	$menu_selected_id = 0;
}

if ( isset( $_POST[ 'delete-menu' ] ) && $menu_selected_id > 0 ) {
	wp_delete_nav_menu( $menu_selected_id );
	$menu_selected_id = 0;
	$updated = true;
}

// Default Menu to show
$custom_menus = wp_get_nav_menus();

if ( empty($custom_menus)  && empty($_POST) ) {
	wp_create_default_nav_menu();
	$custom_menus = wp_get_nav_menus();
}

if ( ! $menu_selected_id && ! empty( $custom_menus ) )
	$menu_selected_id = $custom_menus[0]->term_id;

$menu_title = '';
if ( $menu_selected_id > 0 ) {
	foreach ( $custom_menus as $menu ) {
		if ( $menu->term_id == $menu_selected_id ) {
			$menu_title = $menu->name;
			break;
		}
	}
}

if ( isset( $_POST['li-count'] ) )
	$post_counter = $_POST['li-count'];
else
	$post_counter = 0;

// Create a new menu. Menus are stored as terms in the 'menu' taxonomy.
if ( isset( $_POST['add-menu'] ) && ! $updated ) {
	$insert_menu_name = $_POST['add-menu-name'];

	if ( $insert_menu_name ) {
		$menu = wp_create_nav_menu( $insert_menu_name );
		if ( is_wp_error( $menu ) ) {
			$messages_div = '<div id="message" class="error fade below-h2"><p>' . $menu->get_error_message() . '</p></div>';
		} else {
			$custom_menus[$menu->term_id] = $menu;
			$menu_selected_id = $menu->term_id;
			$menu_id_in_edit = $menu_selected_id;
			$menu_title = $menu->name;
			$messages_div = '<div id="message" class="updated fade below-h2"><p>' . sprintf( __('&#8220;%s&#8221; menu has been created.'), esc_html( $menu->name ) ) . '</p></div>';
			$post_counter = 0;
		}
	} else {
		$messages_div = '<div id="message" class="error fade below-h2"><p>' . __('Please enter a valid menu name.') . '</p></div>';
	}
	$updated = true;
}

if ( $post_counter > 0 && $menu_selected_id > 0 && ! $updated ) {
	$menu_items = wp_get_nav_menu_items( $menu_selected_id, array('orderby' => 'ID', 'output' => ARRAY_A, 'output_key' => 'ID') );
	$parent_menu_ids = array();

	// Loop through all POST variables
	for ( $k = 1; $k <= $post_counter; $k++ ) {
		$db_id = isset( $_POST['dbid'.$k] )? $_POST['dbid'.$k] : 0;
		$object_id = isset( $_POST['postmenu'.$k] )? $_POST['postmenu'.$k] : 0;
		$parent_id = isset( $_POST['parent'.$k] )? $_POST['parent'.$k] : 0;
		$custom_title = isset( $_POST['title'.$k] )?  $_POST['title'.$k] : '';
		$custom_linkurl = ( isset( $_POST['linkurl'.$k] ) && 'custom' == $_POST['linktype'.$k] ) ? $_POST['linkurl'.$k] : '';
		$custom_description = isset( $_POST['description'.$k] )? $_POST['description'.$k] : '';
		// doesn't seem to be used by UI
		$icon = isset( $_POST['icon'.$k] )? $_POST['icon'.$k] : 0;
		$position = isset( $_POST['position'.$k] )? $_POST['position'.$k] : 0;
		$linktype = isset( $_POST['linktype'.$k] )? $_POST['linktype'.$k] : 'custom';
		$custom_anchor_title  = isset( $_POST['anchortitle'.$k] )? $_POST['anchortitle'.$k] : $custom_title;
		$new_window = isset( $_POST['newwindow'.$k] )? $_POST['newwindow'.$k] : 0;

		$post = array( 'post_status' => 'publish', 'post_type' => 'nav_menu_item', 'post_author' => $user_ID,
			'ping_status' => 0, 'post_parent' => 0, 'menu_order' => $position,
			'post_excerpt' => $custom_anchor_title, 'tax_input' => array( 'nav_menu' => $menu_title ),
			'post_content' => $custom_description, 'post_title' => $custom_title );

		if ( $parent_id > 0 && isset( $parent_menu_ids[$parent_id] ) )
			$post['post_parent'] = $parent_menu_ids[$parent_id];

		// New menu item
		if ( $db_id == 0 ) {
			$db_id = wp_insert_post( $post );
		} elseif ( isset( $menu_items[$db_id] ) ) {
			$post['ID'] = $db_id;
			wp_update_post( $post );
			unset( $menu_items[$db_id] );
		}
		$parent_menu_ids[ $k ] = $db_id;

		update_post_meta( $db_id, 'menu_type', $linktype );
		update_post_meta( $db_id, 'object_id', $object_id );
		if ( $new_window )
			update_post_meta( $db_id, 'menu_new_window', 1 );
		else
			update_post_meta( $db_id, 'menu_new_window', 0 );
		if ( $custom_linkurl )
			update_post_meta( $db_id, 'menu_link', esc_url_raw( $custom_linkurl ) );

	}
	if ( !empty( $menu_items ) ) {
		foreach ( array_keys( $menu_items ) as $menu_id ) {
			wp_delete_post( $menu_id );
		}
	}
	$messages_div = '<div id="message" class="updated fade below-h2"><p>' . __('The menu has been updated.') . '</p></div>';
}

?>
<div class="wrap">
	<?php screen_icon(); ?>
	<h2><?php esc_html_e('Menus') ?></h2>
	<?php echo $messages_div; ?>
	<div class="hide-if-js error"><p><?php _e('You do not have JavaScript enabled in your browser. Please enable it to access the Menus functionality.'); ?></p></div>
	
	
	<form onsubmit="updatepostdata()" action="<?php echo admin_url( 'nav-menus.php' ); ?>" method="post" enctype="multipart/form-data">
		<?php if ( ! empty( $custom_menus ) && count( $custom_menus ) > 1 ) : ?>
		<ul class="subsubsub">
			<?php
				foreach ( $custom_menus as $menu ) {
					$sep = end( $custom_menus ) == $menu ? '' : ' | ';
					if ( ( $menu_id_in_edit == $menu->term_id ) || ( $menu_selected_id == $menu->term_id ) ) { ?>
						<li><a href='nav-menus.php?edit-menu=<?php echo esc_attr($menu->term_id); ?>' class="current"><?php echo esc_html( $menu->name ); ?></a><?php echo $sep; ?></li>
			<?php	} else { ?>
						<li><a href='nav-menus.php?edit-menu=<?php echo esc_attr($menu->term_id); ?>'><?php echo esc_html( $menu->name ); ?></a><?php echo $sep; ?></li>
			<?php	}
				}
			?>
		</ul>
		<?php endif; ?>
		
		<div id="menus-container" class="metabox-holder has-right-sidebar">
			<div id="menu-settings-column" class="inner-sidebar">
				<div id="side-sortables" class="meta-box-sortables ui-sortable">
					
					<div id="add-menu" class="postbox">
						<div class="handlediv" title="Click to toggle"><br /></div>
						<h3 class="hndle"><?php esc_html_e('Add Menu'); ?></h3>
						<div class="inside">
							<span>
								<input id="add-menu-name" name="add-menu-name" type="text" class="regular-text" value=""  />
								<input id="add-menu" type="submit" value="<?php esc_attr_e('Add Menu'); ?>" name="add-menu" class="button" />
							</span>
						</div><!-- /.inside-->
					</div><!--END #add-menu-->
					
					<div id="add-custom-link" class="postbox">
						<div class="handlediv" title="Click to toggle"><br /></div>
						<h3 class="hndle"><?php esc_html_e('Add a Custom Link'); ?></h3>
						<div class="inside">
							
							<p class="howto"><label for="custom-menu-item-url"><input id="custom-menu-item-url" type="text" class="widefat code" value="http://" /><?php _e('URL'); ?></label></p>
							
							<?php $template_dir = get_bloginfo('url'); ?>
							<input type="hidden" id="template-dir" value="<?php echo esc_attr($template_dir); ?>" />
							
							<p class="howto"><label for="custom-menu-item-name"><input id="custom-menu-item-name" type="text" class="widefat regular-text" value="<?php echo esc_attr( __('Menu Item') ); ?>" /><?php _e('Text'); ?></label></p>
							
							<label class="howto" for="custom_menu_item_description" <?php if ($advanced_option_descriptions == 'no') { ?>style="display:none;"<?php } ?>>
								<input id="custom_menu_item_description" type="text" class="widefat regular-text" value="<?php esc_attr_e('A description'); ?>" <?php if ($advanced_option_descriptions == 'no') { ?>style="display:none;"<?php } ?> onfocus="jQuery('#custom_menu_item_description').attr('value','');" />
								<?php _e('Description'); ?>
							</label>
							
							<?php if ( 'no' != $advanced_option_descriptions ) { echo '<br />'; } ?>
							
							<a class="addtomenu button" onclick="appendToList('<?php echo $template_dir; ?>','<?php echo esc_js( _x('Custom', 'menu nav item type') ); ?>','','','','0','');jQuery('#custom-menu-item-name').attr('value','<?php echo esc_js( __('Menu Item') ); ?>');jQuery('#custom_menu_item_description').attr('value','<?php echo esc_js( __('A description') ); ?>');"><?php _e('Add Link'); ?></a>
							<br class="clear" />
						</div><!-- /.inside-->
					</div><!-- /#add-custom-link-->
					
					<div id="add-pages" class="postbox">
						<div class="handlediv" title="Click to toggle"><br /></div>
						<h3 class="hndle"><?php esc_html_e('Add an Existing Page'); ?></h3>
						<div class="inside">
							<?php
								$pages_args = array(
									'child_of' => 0,
									'sort_order' => 'ASC',
									'sort_column' => 'post_title',
									'hierarchical' => 1,
									'exclude' => '',
									'include' => '',
									'meta_key' => '',
									'meta_value' => '',
									'authors' => '',
									'parent' => -1,
									'exclude_tree' => '',
									'number' => '',
									'offset' => 0
								);
								$page_name = '';
								$pages_array = get_pages($pages_args);
								if ( $pages_array ) {
									foreach ( $pages_array as $post ) {
										$page_name .= $post->post_title . '|';
									}
								} else {
									$page_name = __('No pages available');
								}
							?>
							<script type="text/javascript" charset="<?php bloginfo('charset'); ?>">
								jQuery(document).ready(function(){
									var posts = "<?php echo esc_js( $page_name ); ?>".split("|");
									jQuery("#page-search").autocomplete(posts);
									jQuery("#page-search").result(function(event, data, formatted) {
										jQuery('#existing-pages').css('display','block');
										jQuery("#existing-pages dt:contains('" + data + "')").css("display", "block");
										jQuery('#show-pages').hide();
										jQuery('#hide-pages').show();
									});
									jQuery('#existing-pages').css('display','none');
								});
							</script>
							<input type="text" onfocus="jQuery('#page-search').attr('value','');" id="page-search" class="regular-text" value="<?php esc_attr_e('Search Pages'); ?>" />

							<a id="show-pages" style="cursor:pointer;" onclick="jQuery('#existing-pages').css('display','block');jQuery('#page-search').attr('value','');jQuery('#existing-pages dt').css('display','block');jQuery('#show-pages').hide();jQuery('#hide-pages').show();"><?php _e('View All'); ?></a>
							<a id="hide-pages" style="cursor:pointer;" onclick="jQuery('#existing-pages').css('display','none');jQuery('#page-search').attr('value','Search Pages');jQuery('#existing-pages dt').css('display','none');jQuery('#show-pages').show();jQuery('#hide-pages').hide();"><?php _e('Hide All'); ?></a>

							<script type="text/javascript">
								jQuery('#hide-pages').hide();
							</script>
							
							
							<div id="existing-pages" class="list-container">
								<ul class="list">
								<?php $items_counter = wp_nav_menu_get_pages( 0,'default' ); ?>
								</ul>
							</div><!-- /.list-container-->
							<br class="clear" />
						</div><!-- /.inside-->
					</div><!--END #add-pages-->
					
					<div id="add-categories" class="postbox">
						<div class="handlediv" title="Click to toggle"><br /></div>
						<h3 class="hndle"><?php esc_html_e('Add an Existing Category'); ?></h3>
						<div class="inside">
							<?php
								// Custom GET categories query
								// @todo Use API
								$categories = $wpdb->get_results("SELECT term_id FROM $wpdb->term_taxonomy WHERE taxonomy = 'category' ORDER BY term_id ASC");
								$cat_name = '';
								if ( $categories ) {
									foreach ( $categories as $category ) {
										$cat_id = $category->term_id;
										$cat_args = array(
											'orderby' => 'name',
											'include' => $cat_id,
											'hierarchical' => 1,
											'order' => 'ASC',
										);
										$category_names = get_categories( $cat_args );
										if ( isset( $category_names[0]->name ) ) {
											$cat_name .= htmlentities( $category_names[0]->name ).'|';
										}
									}
								} else {
									$cat_name = __('No categories available');
								}
							?>
							<script type="text/javascript" charset="<?php bloginfo('charset'); ?>">
								jQuery(document).ready(function(){
									var categories = "<?php echo esc_js($cat_name); ?>".split("|");
									jQuery("#cat-search").autocomplete(categories);
									jQuery("#cat-search").result(function(event, data, formatted) {
										jQuery('#existing-categories').css('display','block');
										jQuery("#existing-categories dt:contains('" + data + "')").css("display", "block");
										jQuery('#show-cats').hide();
										jQuery('#hide-cats').show();
									});
									jQuery('#existing-categories').css('display','none');
								});
							</script>

							<input type="text" onfocus="jQuery('#cat-search').attr('value','');" id="cat-search" class="regular-text" value="<?php esc_attr_e('Search Categories'); ?>" />

							<a id="show-cats" style="cursor:pointer;" onclick="jQuery('#existing-categories').css('display','block');jQuery('#cat-search').attr('value','');jQuery('#existing-categories dt').css('display','block');jQuery('#show-cats').hide();jQuery('#hide-cats').show();"><?php _e('View All'); ?></a>
							<a id="hide-cats" style="cursor:pointer;" onclick="jQuery('#existing-categories').css('display','none');jQuery('#cat-search').attr('value','Search Categories');jQuery('#existing-categories dt').css('display','none');jQuery('#show-cats').show();jQuery('#hide-cats').hide();"><?php _e('Hide All'); ?></a>

							<script type="text/javascript">
								jQuery('#hide-cats').hide();
							</script>

							<div id="existing-categories" class="list-container">
								<ul class="list">
									<?php $items_counter = wp_nav_menu_get_categories( $items_counter, 'default' ); ?>
								</ul>
							</div><!-- /.list-container-->
							<br class="clear" />
						</div><!-- /.inside-->
					</div><!--END #add-categories-->
				</div><!-- /#side-sortables-->
			</div><!-- /#menu-settings-column -->

			<div id="post-body">
				<div id="post-body-content">
					<div id="normal-sortables" class="meta-box-sortables ui-sortable">
					
					<?php if ( ! empty( $custom_menus ) ) : ?>
						<div id="nav-container" class="postbox">	
							<h3 class="hndle"><?php echo esc_html( $menu_title ); ?></h3>
							<div class="inside">
								<input type="hidden" name="li-count" id="li-count" value="0" />
								<input type="hidden" name="menu-id-in-edit" id="menu-id-in-edit" value="<?php echo esc_attr( $menu_selected_id ); ?>" />

								<ul id="custom-nav">
								<?php
								if ( $menu_selected_id > 0 ) {
									wp_print_nav_menu( array( 'type' => 'backend', 'name' => $menu_title, 'id' => $menu_selected_id ) );
								}
								?>
								</ul><!-- /#custom-nav-->
							</div><!-- /.inside -->
						<!-- /#nav-menu-canvas .postbox-->
						</div>
						<p class="submit">
							<script type="text/javascript">
								updatepostdata();
							</script>
							<input id="save_bottom" name="save_bottom" type="submit" value="<?php esc_attr_e('Save All Changes'); ?>" />
							<input id="delete-menu" name="delete-menu" type="submit" value="<?php esc_attr_e('Delete This Menu'); ?>" />
						</p>
						
					<?php else : ?>
						<div class="updated"><p><?php _e( 'Add a menu to start editing!' ); ?></p></div>
					<?php endif; ?>
					</div><!-- /#normal-sortables-->
				</div><!-- /#post-body-content-->
			</div><!--- /#post-body -->
			<br class="clear" />
		</div><!-- /.metabox-holder has-right-sidebar-->
	</form>
</div><!-- /.wrap-->

<div id="dialog-confirm" style="display:none;" title="<?php esc_attr_e('Edit Menu Item'); ?>">
	<span id="edittitle-wrap"><input id="edittitle" type="text" name="edittitle" value="" /><label class="editlabel" for="edittitle"><?php _e('Menu Title'); ?></label><br /></span>
	<span id="editlink-wrap"><input id="editlink" type="text" name="editlink" value="" /><label class="editlabel" for="editlink"><?php _e('URL'); ?></label><br /></span>
	<span id="editanchortitle-wrap"><input id="editanchortitle" type="text" name="editanchortitle" value="" /><label class="editlabel" for="editanchortitle"><?php _e('Link Title'); ?></label><br /></span>
	<span id="editnewwindow-wrap">
	<select id="editnewwindow" name="editnewwindow">
		<option value="1"><?php _e('Yes'); ?></option>
		<option value="0"><?php _e('No'); ?></option>
	</select><label class="editlabel" for="editnewwindow"><?php _e('Open Link in a new window'); ?></label>
	</span>
	<span id="editdescription-wrap">
	<input id="editdescription" type="text" name="editdescription" value="" <?php if ($advanced_option_descriptions == 'no') { ?>style="display:none;"<?php } ?> /><label class="editlabel" for="editdescription" <?php if ($advanced_option_descriptions == 'no') { ?>style="display:none;"<?php } ?> ><?php _e('Description'); ?></label><br /></span>
</div>

<?php

include( 'admin-footer.php' );