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<?php
// $Id$
/**
* Implementation of hook_init().
*/
function finder_menu_init() {
drupal_add_css(drupal_get_path('module', 'finder_menu') .'/finder_menu.css');
}
/**
* 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 $block;
}
}
/**
* Implementation of hook_theme();
*/
function finder_menu_theme() {
return array(
'finder_menu' => array(
'arguments' => array(
'menu' => NULL,
'parent' => NULL,
),
),
);
}
/**
* Generate the menu.
*/
function theme_finder_menu($menu_name, $mlid) {
$item_class = "finder-menu-menu-item";
$sub_item_class = "finder-menu-sub-menu-item";
// 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">';
$output .= finder_menu_build($menu, TRUE);
$output .= '</div>';
drupal_add_js(drupal_get_path('module', 'finder_menu') .'/finder_menu.js');
return $output;
}
/**
* Recursively build the menu.
*
* @ingroup themeable
*/
function finder_menu_build($menu, $first = FALSE) {
if ($first === TRUE) {
$output = '<ul id="finder">';
} else {
$output = '<ul>';
}
foreach ($menu as $menu_item) {
if ($menu_item['link']['hidden'] == 0) {
$output .= '<li>';
if ($menu_item['below'] !== FALSE && finder_menu_has_unhidden_submenu($menu_item['below'])) {
$output .= $menu_item['link']['title'];
$output .= finder_menu_build($menu_item['below']);
} else {
$output .= theme('menu_item_link', $menu_item['link']);
}
$output .= '</li>';
}
}
$output .= '</ul>';
return $output;
}
/**
* Check whether a menu has at least one unhidden submenu.
*/
function finder_menu_has_unhidden_submenu($menu = FALSE) {
if ($menu == FALSE) {
return FALSE;
}
foreach ($menu as $menu_item) {
if ($menu_item['link']['hidden'] == 0) {
return TRUE;
}
}
return FALSE;
}
|
