WordPress/wp-includes/custom-navigation.php
2010-02-23 22:07:33 +00:00

534 lines
18 KiB
PHP

<?php
/**
* WordPress Administration Custom Navigation
* General Functions
*
* @author Jeffikus <pearce.jp@gmail.com>
* @version 1.1.0
*
* @package WordPress
* @subpackage Administration
*/
function wp_custom_navigation_setup($override = false) {
// Custom Navigation Menu Setup
// Override for menu descriptions
update_option('wp_settings_custom_nav_advanced_options', 'yes');
$menus = wp_get_nav_menus();
if ( !empty( $menus ) ) {
foreach ( $menus as $menu ) {
wp_delete_nav_menu( $menu->term_id );
}
}
wp_create_nav_menu( __('Main') );
}
function wp_delete_nav_menu( $menu_id ) {
$menu_id = (int) $menu_id;
if ( !$menu_id )
return false;
$menu_objects = get_objects_in_term( $menu_id, 'nav_menu' );
if ( !empty( $menu_objects ) ) {
foreach ( $menu_objects as $item ) {
wp_delete_post( $item );
}
}
wp_delete_term( $menu_id, 'nav_menu' );
}
function wp_create_nav_menu( $menu_name ) {
$menu_exists = get_term_by( 'name', $menu_name, 'nav_menu' );
if ( $menu_exists )
return WP_Error('menu_exists', sprintf( __('A menu named "%s" already exists; please try another name.'), $menu_exists->name ));
return wp_insert_term( $menu_name, 'nav_menu' );
}
function wp_get_nav_menus() {
return get_terms( 'nav_menu', array( 'hide_empty' => false ) );
}
function wp_get_nav_menu_items( $menu, $args = array() ) {
$items = get_objects_in_term( (int) $menu, 'nav_menu' );
$defaults = array( 'orderby' => 'menu_order', 'post_type' => 'nav_menu_item', 'post_status' => 'publish', 'output' => ARRAY_A, 'output_key' => 'menu_order' );
$args = wp_parse_args($args, $defaults);
if ( count( $items ) > 1 )
$args['include'] = implode( ',', $items );
else
$args['include'] = $items[0];
$items = get_posts( $args );
if ( ARRAY_A == $args['output'] ) {
$output = array();
foreach ( $items as $item ) {
$output[$item->$args['output_key']] = $item;
}
unset($items);
ksort($output);
return $output;
} else {
return $items;
}
}
function setup_menu_item($menu_item, $type = 'item', $position = 0) {
global $parent_menu_order;
if ( 'item' == $type ) {
$menu_item->type = get_post_meta($menu_item->ID, 'menu_type', true);
$menu_item->object_id = get_post_meta($menu_item->ID, 'object_id', true);
if ( isset( $parent_menu_order[ $menu_item->post_parent ] ) )
$menu_item->parent_item = $parent_menu_order[ $menu_item->post_parent ];
else
$menu_item->parent_item = 0;
} elseif ( 'category' == $type ) {
$menu_item->type = $type;
$menu_item->object_id = $menu_item->term_id;
$menu_item->ID = $menu_item->term_id;
$menu_item->parent_item = $menu_item->parent;
$menu_item->menu_order = $position;
} elseif ( 'page' == $type ) {
$menu_item->type = $type;
$menu_item->object_id = $menu_item->ID;
$menu_item->parent_item = $menu_item->post_parent;
$menu_item->menu_order = $position;
}
switch ( $menu_item->type ) {
// Page Menu Item
case 'page':
if ( $menu_item->guid == '' )
$menu_item->link = get_permalink( $menu_item->object_id );
else
$menu_item->link = $menu_item->guid;
if ( $menu_item->post_title == '' )
$menu_item->title = htmlentities( get_the_title( $menu_item->object_id ) );
else
$menu_item->title = htmlentities( $menu_item->post_title );
if ( $menu_item->post_content == '' )
$menu_item->description = htmlentities( get_post_meta( $menu_item->ID, 'page-description', true ) );
else
$menu_item->description = htmlentities( $menu_item->post_content );
$menu_item->target = '';
$menu_item->append = 'Page';
break;
// Category Menu Item
case 'category':
if ( empty($menu_item->guid) )
$menu_item->link = get_category_link( $menu_item->object_id );
else
$menu_item->link = $menu_item->guid;
if ( empty($menu_item->post_title) ) {
$title_raw = get_category( $menu_item->object_id );
$menu_item->title = htmlentities($title_raw->cat_name);
} else {
$menu_item->title = htmlentities( $menu_item->post_title );
}
if ( empty($menu_item->post_content) )
$menu_item->description = htmlentities( strip_tags( category_description( $menu_item->object_id ) ) );
else
$menu_item->description = htmlentities( $menu_item->post_content );
$menu_item->target = '';
$menu_item->append = 'Category';
break;
default:
// Custom Menu Item
$menu_item->link = $menu_item->guid;
$menu_item->title = htmlentities( $menu_item->post_title );
$menu_item->description = htmlentities( $menu_item->post_content );
$menu_item->target = 'target="_blank"';
$menu_item->append = 'Custom';
break;
}
$menu_item->li_class = '';
global $wp_query;
if ( $menu_item->ID == $wp_query->get_queried_object_id() )
$menu_item->li_class = 'class="current_page_item"';
$menu_item->anchor_title = '';
/* @todo: update to use tax/post data
//SET anchor title
if (isset($wp_custom_nav_menu_items->custom_anchor_title)) {
$anchor_title = htmlentities($wp_custom_nav_menu_items->custom_anchor_title);
}
else {
$anchor_title = $title;
}
if ($queried_id == $wp_custom_nav_menu_items->post_id) {
$li_class = 'class="current_page_item"';
}
if (isset($wp_custom_nav_menu_items->new_window)) {
if ($wp_custom_nav_menu_items->new_window > 0) {
$target = 'target="_blank"';
}
else {
$target = '';
}
}
*/
return $menu_item;
}
function output_menu_item($menu_item, $context, $args = array() ) {
switch( $context ) {
case 'backend':
case 'menu':
?>
<dl>
<dt>
<span class="title"><?php echo esc_html($menu_item->title); ?></span>
<span class="controls">
<span class="type"><?php echo esc_html($menu_item->type); ?></span>
<a id="edit<?php echo $menu_item->menu_order; ?>" onclick="edititem(<?php echo $menu_item->menu_order; ?>)" value="<?php echo $menu_item->menu_order; ?>"><img class="edit" alt="<?php esc_attr_e('Edit Menu Item'); ?>" title="<?php esc_attr_e('Edit Menu Item'); ?>" src="<?php echo admin_url('images/ico-edit.png'); ?>" /></a>
<a id="remove<?php echo $menu_item->menu_order; ?>" onclick="removeitem(<?php echo $menu_item->menu_order; ?>)" value="<?php echo $menu_item->menu_order; ?>"><img class="remove" alt="<?php esc_attr_e('Remove from Custom Menu'); ?>" title="<?php esc_attr_e('Remove from Custom Menu'); ?>" src="<?php echo admin_url('images/ico-close.png'); ?>" /></a>
<a id="view<?php echo $menu_item->menu_order; ?>" target="_blank" href="<?php echo $menu_item->link; ?>"><img alt="<?php esc_attr_e('View Page'); ?>" title="<?php esc_attr_e('View Page'); ?>" src="<?php echo admin_url('images/ico-viewpage.png'); ?>" /></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 $menu_item->title; ?></a>
<?php } ?>
<input type="hidden" name="dbid<?php echo $menu_item->menu_order; ?>" id="dbid<?php echo $menu_item->menu_order; ?>" value="<?php echo $menu_item->ID; ?>" />
<input type="hidden" name="postmenu<?php echo $menu_item->menu_order; ?>" id="postmenu<?php echo $menu_item->menu_order; ?>" value="<?php echo $menu_item->ID; ?>" />
<input type="hidden" name="parent<?php echo $menu_item->menu_order; ?>" id="parent<?php echo $menu_item->menu_order; ?>" value="<?php echo $menu_item->parent_item; ?>" />
<input type="hidden" name="title<?php echo $menu_item->menu_order; ?>" id="title<?php echo $menu_item->menu_order; ?>" value="<?php echo $menu_item->title; ?>" />
<input type="hidden" name="linkurl<?php echo $menu_item->menu_order; ?>" id="linkurl<?php echo $menu_item->menu_order; ?>" value="<?php echo $menu_item->link; ?>" />
<input type="hidden" name="description<?php echo $menu_item->menu_order; ?>" id="description<?php echo $menu_item->menu_order; ?>" value="<?php echo $menu_item->description; ?>" />
<input type="hidden" name="icon<?php echo $menu_item->menu_order; ?>" id="icon<?php echo $menu_item->menu_order; ?>" value="0" />
<input type="hidden" name="position<?php echo $menu_item->menu_order; ?>" id="position<?php echo $menu_item->menu_order; ?>" value="<?php echo $menu_item->menu_order; ?>" />
<input type="hidden" name="linktype<?php echo $menu_item->menu_order; ?>" id="linktype<?php echo $menu_item->menu_order; ?>" value="<?php echo $menu_item->type; ?>" />
<input type="hidden" name="anchortitle<?php echo $menu_item->menu_order; ?>" id="anchortitle<?php echo $menu_item->menu_order; ?>" value="<?php echo esc_html( $menu_item->post_excerpt ); ?>" />
<input type="hidden" name="newwindow<?php echo $menu_item->menu_order; ?>" id="newwindow<?php echo $menu_item->menu_order; ?>" value="<?php echo ( '' == $menu_item->post_content_filtered ? '0' : '1' ); ?>" />
<?php
break;
case 'frontend':
// Override for menu descriptions
$advanced_option_descriptions = get_option('wp_settings_custom_nav_advanced_options');
if ( $advanced_option_descriptions == 'no' )
$args['desc'] = 2;
?>
<a title="<?php echo $menu_item->anchor_title; ?>" href="<?php echo $menu_item->link; ?>" <?php echo $menu_item->target; ?>><?php echo $args['before_title'] . $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':
$templatedir = get_bloginfo('url');
?>
<dl>
<dt>
<span class="title"><?php echo $menu_item->title; ?></span> <a onclick="appendToList('<?php echo $templatedir; ?>','<?php echo $menu_item->append; ?>','<?php echo $menu_item->title; ?>','<?php echo $menu_item->link; ?>','<?php echo $menu_item->ID; ?>','<?php echo $menu_item->parent_item ?>','<?php echo $menu_item->description; ?>')" name="<?php echo $menu_item->title; ?>" value="<?php echo $menu_item->link; ?>"><img alt="<?php esc_attr_e('Add to Custom Menu'); ?>" title="<?php esc_attr_e('Add to Custom Menu'); ?>" src="<?php echo admin_url('images/ico-add.png'); ?>" /></a> </dt>
</dl>
<?php
break;
}
}
/*-----------------------------------------------------------------------------------*/
/* Custom Navigation Functions */
/* wp_custom_navigation_output() displays the menu in the back/frontend
/* wp_custom_nav_get_pages()
/* wp_custom_nav_get_categories()
/* wp_custom_navigation_default_sub_items() is a recursive sub menu item function
/*-----------------------------------------------------------------------------------*/
/*-----------------------------------------------------------------------------------*/
/* Main Output Function
/* args list
/* type - frontend or backend
/* name - name of your menu
/* id - id of menu in db
/* desc - 1 = show descriptions, 2 = dont show descriptions
/* before_title - html before title is outputted in <a> tag
/* after_title - html after title is outputted in <a> tag
/*-----------------------------------------------------------------------------------*/
function wp_custom_navigation_output( $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 ) {
$menu_item = setup_menu_item($menu_item);
// List Items
?><li id="menu-<?php echo $menu_item->ID; ?>" value="<?php echo $menu_item->ID; ?>" <?php echo $menu_item->li_class; ?>><?php
output_menu_item($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 = $menu_item->ID; ?>
<ul>
<?php }
} else { ?>
</li>
<?php }
}
}
// Outputs All Pages and Sub Items
function wp_custom_nav_get_pages($counter, $type) {
$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 );
//GET all pages
$pages_array = get_pages($pages_args);
$intCounter = $counter;
$parentli = $intCounter;
if ( !$pages_array ) {
echo 'Not Found';
return $intCounter;
}
// Display Loop
foreach ( $pages_array as $post ) {
if ( $post->post_parent == 0 ) {
$post = setup_menu_item($post, 'page', $intCounter);
if ( $type == 'menu' ) {
?>
<li id="menu-<?php echo $intCounter; ?>" value="<?php echo $intCounter; ?>">
<?php
output_menu_item($post, 'menu', $intCounter);
$parentli = $post->ID;
$intCounter++;
$intCounter = wp_custom_navigation_default_sub_items($post->ID, $intCounter, $parentli, 'pages', 'menu');
?>
</li>
<?php
} elseif ( $type == 'default' ) {
// Sidebar Menu
?>
<li>
<?php
output_menu_item($post, 'default');
$parentli = $post->ID;
$intCounter++;
$intCounter = wp_custom_navigation_default_sub_items($post->ID, $intCounter, $parentli, 'pages', 'default');
?>
</li>
<?php
}
}
}
return $intCounter;
}
// Outputs All Categories and Sub Items
function wp_custom_nav_get_categories($counter, $type) {
$category_args = array(
'type' => 'post',
'child_of' => 0,
'orderby' => 'name',
'order' => 'ASC',
'hide_empty' => false,
'include_last_update_time' => false,
'hierarchical' => 1,
'exclude' => '',
'include' => '',
'number' => '',
'pad_counts' => false );
$intCounter = $counter;
// Get all categories
$categories_array = get_categories($category_args);
if ( !$categories_array ) {
_e('Not Found');
return $intCounter;
}
// Display Loop
foreach ( $categories_array as $cat_item ) {
if ( $cat_item->parent == 0 ) {
$cat_item = setup_menu_item($cat_item, 'category', $intCounter);
// Custom Menu
if ( $type == 'menu' ) {
?>
<li id="menu-<?php echo $intCounter; ?>" value="<?php echo $intCounter; ?>">
<?php
output_menu_item($cat_item, 'menu');
$parentli = $cat_item->cat_ID;
$intCounter++;
$intCounter = wp_custom_navigation_default_sub_items($cat_item->cat_ID, $intCounter, $parentli, 'categories', 'menu');
?>
</li>
<?php
} elseif ( $type == 'default' ) {
// Sidebar Menu
?>
<li>
<?php
output_menu_item($cat_item, 'default');
$parentli = $cat_item->cat_ID;
$intCounter++;
$intCounter = wp_custom_navigation_default_sub_items($cat_item->cat_ID, $intCounter, $parentli, 'categories', 'default');
?>
</li>
<?php
}
}
}
return $intCounter;
}
//RECURSIVE Sub Menu Items of default categories and pages
function wp_custom_navigation_default_sub_items($childof, $intCounter, $parentli, $type, $output_type) {
$counter = $intCounter;
// Custom Menu
if ( $output_type == 'menu' ) {
$sub_args = array(
'child_of' => $childof,
'hide_empty' => false,
'parent' => $childof);
} elseif ( $output_type == 'default' ) {
// Sidebar Menu
$sub_args = array(
'child_of' => $childof,
'hide_empty' => false,
'parent' => $childof);
}
if ( $type == 'categories' ) {
// Get Sub Category Items
$item_type = 'category';
$sub_array = get_categories($sub_args);
} elseif ($type == 'pages') {
// Get Sub Page Items
$item_type = 'page';
$sub_array = get_pages($sub_args);
} else {
$item_type = 'custom';
$sub_array = array();
}
if ( $sub_array ) {
?>
<ul id="sub-custom-nav-<?php echo $type ?>">
<?php
// Display Loop
foreach ( $sub_array as $sub_item ) {
$sub_item = setup_menu_item($sub_item, $item_type, $counter);
if ( $output_type == 'menu' ) {
?>
<li id="menu-<?php echo $counter; ?>" value="<?php echo $counter; ?>">
<?php
output_menu_item($sub_item, 'menu');
$counter++;
$counter = wp_custom_navigation_default_sub_items($sub_item->ID, $counter, $sub_item->ID, $type, 'menu');
?>
</li>
<?php
} elseif ( $output_type == 'default' ) {
// Sidebar Menu
?>
<li>
<?php
output_menu_item($sub_item, 'default');
//$counter++;
$counter = wp_custom_navigation_default_sub_items($sub_item->ID, $counter, $sub_item->ID, $type, 'default');
?>
</li>
<?php
}
}
?>
</ul>
<?php
}
return $counter;
}
?>