From f694b9c31d070a2abecb34e7124ec5a4d6aacfb1 Mon Sep 17 00:00:00 2001
From: Silvio <s1lv10@uol.com.br>
Date: Tue, 29 Sep 2009 16:11:34 -0300
Subject: Using code from dynamic_taxonomy module

Using code from dynamic_taxonomy module to build menu tree.
---
 finder_menu.module | 125 +++++++++++++++++++++++++++++++++++++++++++----------
 1 file changed, 102 insertions(+), 23 deletions(-)

(limited to 'finder_menu.module')

diff --git a/finder_menu.module b/finder_menu.module
index 9eb17b6..02b1edb 100644
--- a/finder_menu.module
+++ b/finder_menu.module
@@ -4,7 +4,7 @@
 /**
  * Implementation of hook_block();
  */
-function finder_taxonomy_block($op = 'list', $delta = 0, $edit = array()) {
+function finder_menu_block($op = 'list', $delta = 0, $edit = array()) {
   switch ($op) {
     case 'list':
       $blocks[0]['info']  = t('Finder Menu');
@@ -12,44 +12,123 @@ function finder_taxonomy_block($op = 'list', $delta = 0, $edit = array()) {
       return $blocks;
 
     case 'configure':
-      $form['finder_taxonomy_vid'] = array(
-        '#type'          => 'radios',
-        '#title'         => t('Select the vocabulary to list'),
-        '#default_value' => variable_get('finder_taxonomy_vid', 1),
-        '#options'       => finder_taxonomy_get_vocabularies(),
+      $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_taxonomy_vid', (int) $edit['finder_taxonomy_vid']);
+      variable_set('finder_menu', $edit['finder_menu']);
       break;
 
     case 'view':
-      $vid              = variable_get('finder_taxonomy_vid', 1);
-      $tree             = finder_taxonomy_get_terms($vid);
-      $block['content'] = theme('item_list', $tree);
+      $menu             = explode(':', variable_get('finder_menu', 'navigation:0'));
+      $block['content'] = theme('finder_menu', $menu[0], $menu[1]);
       return $block;
   }
 }
 
 /**
- * Get all vocabularies;
+ * Implementation of hook_theme();
  */
-function finder_taxonomy_get_vocabularies() {
-  $result = db_query('SELECT vid, name from {vocabulary}');
-  while ($item = db_fetch_object($result)) {
-    $items[$item->vid] = $item->name;
+function finder_menu_theme() {
+  return array(
+      'finder_menu' => array(
+        'arguments' => array(
+          'menu'    => NULL,
+          'parent'  => NULL,
+          ),
+        ),
+      );
+}
+
+/**
+ * Generate the menu.
+ */
+function theme_finder_menu($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;
   }
-  return $items;
+
+  // 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 = '<ul style="display:inline" class="finder-menu-menu">';
+  $output  = finder_menu_build($menu);
+  $output .= '</ul>';
+  drupal_add_js(drupal_get_path('module', 'finder_menu') .'/finder_menu.js');
+  
+  return $output;
 }
 
-function finder_taxonomy_get_terms($vid = null) {
-  if ($vid != null) {
-    $tree = taxonomy_get_tree($vid);
-    foreach ($tree as $term) {
-      $items[$term->tid] = $term->name;
+/**
+ * Recursively build the menu.
+ *
+ * @ingroup themeable
+ */
+function finder_menu_build($menu) {
+
+  $output = '<ul>';
+
+  foreach($menu as $menu_item) {
+    $output .= '<li>';
+    $output .= $menu_item['link']['title'];
+    if ($menu_item['below'] !== FALSE) {
+      $output .= finder_menu_build($menu_item['below']);
     }
-    return $items;
+    $output .= '</li>';
   }
-  return null;
+
+  $output .= '</ul>';
+  return $output;
+
 }
-- 
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