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<?php
// $Id$
/**
* @file
* Implementation of a Finder Dropdown Menu.
*
* This module implements the Finder Dropdown menu described
* at http://www.alistapart.com/articles/complexdynamiclists.
*/
/**
* Implementation of hook_uninstall();
*/
function finder_menu_uninstall() {
variable_del('finder_menu');
}
/**
* Implementation of hook_init();
*/
function finder_menu_init() {
theme('finder_menu_css');
theme('finder_menu_javascript');
}
/**
* Implementation of hook_block();
*/
function finder_menu_block($op = 'list', $delta = 0, $edit = array()) {
switch ($op) {
case 'list':
$blocks[0]['info'] = t('Finder Menu');
$blocks[0]['cache'] = BLOCK_NO_CACHE;
return $blocks;
case 'configure':
$form['finder_menu'] = array(
'#type' => 'select',
'#title' => t('Select the menu to list'),
'#default_value' => variable_get('finder_menu', 'navigation:0'),
'#options' => menu_parent_options(menu_get_menus(), 0),
);
return $form;
case 'save':
variable_set('finder_menu', $edit['finder_menu']);
break;
case 'view':
$menu = explode(':', variable_get('finder_menu', 'navigation:0'));
$block['content'] = theme('finder_menu', $menu[0], $menu[1]);
return $block;
}
}
/**
* Implementation of hook_theme();
*/
function finder_menu_theme() {
return array(
'finder_menu' => array(
'arguments' => array(
'menu' => NULL,
'parent' => NULL,
),
),
'finder_menu_javascript' => array(
'arguments' => array(),
),
'finder_menu_css' => array(
'arguments' => array(),
),
);
}
/**
* Generate the menu.
*/
function theme_finder_menu($menu_name, $mlid) {
// Find menu item in the menu tree
$menu_tree = menu_tree_all_data($menu_name);
$menu_link = menu_link_load($mlid);
if ($mlid != 0) {
for ($i=1; $i<10; $i++) {
foreach ($menu_tree as $menu_item) {
if ($menu_item["link"]['mlid'] == $mlid) {
$menu = $menu_item['below'];
break 2;
}
else {
if ($menu_item["link"]['mlid'] == $menu_link['p'. $i]) {
$menu_tree = $menu_item['below'];
break;
}
}
}
}
}
else {
$menu = $menu_tree;
}
// Don't display anything if the selected menu has no children
if (!$menu) {
return;
}
// Backup active menu trail and set a new one
$active_menu_name = menu_get_active_menu_name();
menu_set_active_menu_name($menu_name);
// Build table of mlid in the active trail
foreach (menu_set_active_trail() as $value) {
if ($value['mlid']) {
$trail[] = $value['mlid'];
}
}
// Restore active menu trail
menu_set_active_menu_name($active_menu_name);
// Build the menus
$output = '<div id="finderparent">';
$output .= taxonomy_node_tree_list($menu, 'finder', 'hidden');
$output .= '</div>';
return $output;
}
/**
* Finder Menu Javascript theme function.
*
* @ingroup themeable
*/
function theme_finder_menu_javascript() {
drupal_add_js(drupal_get_path('module', 'finder_menu') .'/finder_menu.js');
}
/**
* Finder Menu CSS theme function.
*
* @ingroup themeable
*/
function theme_finder_menu_css() {
drupal_add_css(drupal_get_path('module', 'finder_menu') .'/finder_menu.css');
}
|
