Rewriting to be taxonomy-oriented

1 files changed, 246 insertions, 62 deletions

diff --git a/jquery_drawer.module b/jquery_drawer.module
index 7d3996a..adaa7bc 100644
--- a/jquery_drawer.module
+++ b/jquery_drawer.module
@@ -3,10 +3,10 @@
 
 /**
  * @file
- * Implementation of a Finder Dropdown Menu.
+ * Implementation of a jQuery Drawer.
  *
- * This module implements the Finder Dropdown menu described
- * at http://www.alistapart.com/articles/complexdynamiclists.
+ * This module implements the jQuery.drawer navigation menu
+ * from http://lib.metatype.jp/jquery_drawer/sample.html
  */
 
 /**
@@ -37,9 +37,10 @@ function jquery_drawer_block($op = 'list', $delta = 0, $edit = array()) {
     case 'configure':
       $form['jquery_drawer'] = array(
         '#type'          => 'select',
-        '#title'         => t('Select the menu to list'),
-        '#default_value' => variable_get('jquery_drawer', 'navigation:0'),
-        '#options'       => menu_parent_options(menu_get_menus(), 0),
+        '#title'         => t('Select the vocabulary to list'),
+        '#default_value' => variable_get('jquery_drawer', '1'),
+        // TODO: won't work with taxonomy_get_vocabularies()
+        '#options'       => menu_parent_options(taxonomy_get_vocabularies(), 0),
       );
       return $form;
 
@@ -48,13 +49,27 @@ function jquery_drawer_block($op = 'list', $delta = 0, $edit = array()) {
       break;
 
     case 'view':
-      $menu             = explode(':', variable_get('jquery_drawer', 'navigation:0'));
+      $menu             = explode(':', variable_get('jquery_drawer', '1'));
       $block['content'] = theme('jquery_drawer', $menu[0], $menu[1]);
       return $block;
   }
 }
 
 /**
+ * Implementation of hook_menu();
+ */
+function jquery_drawer_menu() {
+  $items['jquery_drawer'] = array(
+    'title'            => 'jQuery Drawer',
+    'description'      => 'Displays content inside a jQuery Drawer.',
+    'page callback'    => 'jquery_drawer_page',
+    'access arguments' => array('access content'),
+    'type'             => MENU_CALLBACK,
+  );
+  return $items;
+}
+
+/**
  * Implementation of hook_theme();
  */
 function jquery_drawer_theme() {
@@ -78,96 +93,225 @@ function jquery_drawer_theme() {
 }
 
 /**
- * Generate the menu.
+ * Drawer logic.
  */
 function theme_jquery_drawer($menu_name, $mlid) {
-  $item_class     = "jquery-drawer-menu-item";
-  $sub_item_class = "jquery-drawer-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;
-          }
-        }
-      }
+  // Get all terms from a given vocabulary
+  $vocabulary = variable_get('jquery_drawer', '1');
+  $terms      = jquery_drawer_taxonomy_get_tree($vocabulary);
+
+  foreach ($terms as $term) {
+    // Just show parent terms
+    if (taxonomy_get_parents($term->tid) == array()) {
+      $menu[] = $term;
     }
   }
-  else {
-    $menu = $menu_tree;
+
+  // Build the drawer
+  $output = jquery_drawer_build($menu);
+  return $output;
+}
+
+/**
+ * Drawer rendering.
+ *
+ * @ingroup themeable
+ */
+function jquery_drawer_build($menu) {
+
+  $output  = '<ul id="drw_tabs">';
+  $output .= implode((array) module_invoke_all('jquery_drawer_build'));
+
+  foreach ($menu as $item) {
+    $link['title'] = $item->name;
+    $link['href']  = 'jquery_drawer/' . $item->tid;
+    $output       .= theme('jquery_drawer_link', $link);
+  }
+
+  $output .= '</ul>';
+  $output .= '<div id="drw">';
+  $output .= '</div>';
+  return $output;
+
+}
+
+/**
+ * Menu callback.
+ */
+function jquery_drawer_page($tid = null) {
+  // First render all nodes whose parent is $term
+
+  $output = '';
+  $nodes = taxonomy_select_nodes(array($tid));
+  
+  while ($node = db_fetch_object($nodes)) {
+    $link['title']  = $node->title;
+    $link['href']   = 'node/' . $node->nid;
+    $output        .= theme('jquery_drawer_link', $link);
   }
 
-  // Don't display anything if the selected menu has no children
+  // Then render all nodes whose terms are children of $term
+  
+  $vocabulary = variable_get('jquery_drawer', '1');
+  $terms      = jquery_drawer_taxonomy_get_tree($vocabulary, $tid);
 
-  if (!$menu) {
-    return;
+  foreach ($terms as $term) { 
+    $filter[] = $term->tid;
   }
 
-  // Backup active menu trail and set a new one
+  $query  = 'SELECT node.nid, node.title, term_node.tid FROM {node} LEFT JOIN 
+             {term_node} ON term_node.nid = node.nid WHERE term_node.tid IN (%s)
+             AND node.status = "1"';
 
-  $active_menu_name = menu_get_active_menu_name();
-  menu_set_active_menu_name($menu_name);
+  $result = db_query(db_rewrite_sql($query), implode(',', $filter));
 
-  // Build table of mlid in the active trail
+  while ($node = db_fetch_object($result)) {
+    foreach ($terms as $term) {
+      // add nodes into the term
+      if ($node->tid == $term->tid) {
+        $term->nodes[] = $node;
+      }
+      // update an index of terms
+      $tree[$term->tid] = $term;
+    }
+  }
 
-  foreach (menu_set_active_trail() as $value) {
-    if ($value['mlid']) {
-      $trail[] = $value['mlid'];
+  // add children relationship just for terms present in the tree
+  foreach ($tree as $term) {
+    if ($term->parents[0] != 0 && isset($tree[$term->parents[0]])) {
+      $tree[$term->parents[0]]->children[] = $term->tid;
     }
   }
 
-  // Restore active menu trail
+  // build menu with hierarchy
+  foreach ($tree as $term) {
+    jquery_drawer_build_tree($tree, $term);
+  }
 
-  menu_set_active_menu_name($active_menu_name);
+  // format output
+  $output .= '<ul id="drw_item" class="hidden">';
+  foreach ($tree as $term) {
+    $output .= jquery_drawer_menu_build($term);
+  }
+  $output .= '</ul></li>';
 
-  // Build the menus
+  // Display output
+  echo($output);
 
-  $output  = jquery_drawer_build($menu);
+  // We need to exit here to avoid themeable output
+  exit();
+}
 
-  return $output;
+function jquery_drawer_build_tree(&$tree, $term) {
+  if ($term->parents[0] != 0 && isset($tree[$term->parents[0]])) {
+    // is child
+    if (isset($term->children)) {
+      // is also parent, so go down one level
+      foreach($term->children as $child) {
+        jquery_drawer_build_tree($tree, $tree[$child]);
+      }
+    }
+    $tree[$term->parents[0]]->below[] = drupal_clone($term);
+    unset($tree[$term->tid]);
+  }
 }
 
 /**
- * Build the Drawer.
+ * Recursively build the menu.
  *
  * @ingroup themeable
  */
-function jquery_drawer_build($menu) {
+function jquery_drawer_menu_build($term) {
 
-  $output  = '<ul id="drw_tabs">';
-  $output .= implode((array) module_invoke_all('jquery_drawer_build'));
+  global $jquery_drawer_id;
 
-  foreach ($menu as $menu_item) {
-    if ($menu_item['link']['hidden'] == 0) {
-      $output .= theme('jquery_drawer_link', $menu_item['link']);
+  if ($jquery_drawer_id == null) {
+    $jquery_drawer_id = 0;
+  }
+
+  $jquery_drawer_id++;
+
+  if (isset($term->tid)) {
+    $output .= '<li>';
+    $output .= $term->name;
+    if (isset($term->below)) {
+      $output .= '<ul id="jquery_drawer[ul][' . $jquery_drawer_id . ']" class="hidden">';
+      foreach($term->below as $child) {
+        $output .= jquery_drawer_menu_build($child);
+      }
+      $output .= '</ul>';
+    } else if (isset($term->nodes)) {
+      $output .= '<ul id="jquery_drawer[ul][' . $jquery_drawer_id . ']" class="hidden">';
+      foreach ($term->nodes as $node) {
+        $output .= '<li>';
+        $output .= '<a href="' . $GLOBALS['base_url'] . '/sitio/' . $node->nid . '">' . $node->title . '</a>';
+      }
+      $output .= '</ul>';
+      $output .= '</li>';
     }
+    $output .= '</li>';
   }
 
-  $output .= '</ul>';
-  $output .= '<div id="drw">';
-  $output .= '</div>';
   return $output;
 
 }
 
 /**
+ * Build the Drawer.
+ *
+ * @TODO
+ * @ingroup themeable
+ */
+/*function jquery_drawer_show_items($term) {
+
+  $tree   = array();
+  $terms  = jquery_drawer_taxonomy_get_tree(JQUERY_DRAWER_VOC_ID);
+  $query  = 'SELECT node.nid, node.title, term_node.tid FROM {node} LEFT JOIN 
+             {term_node} ON term_node.nid = node.nid WHERE node.type = "story"
+             AND term_node.tid = "%d" AND node.status = "1")';
+  $result = db_query(db_rewrite_sql($query), $term);
+
+  while ($node = db_fetch_object($result)) {
+    foreach ($terms as $term) {
+      // add nodes into the term
+      if ($node->tid == $term->tid) {
+        $term->nodes[] = $node;
+      }
+      // update an index of terms
+      $tree[$term->tid] = $term;
+    }
+  }
+
+  // add children relationship
+  foreach ($tree as $term) {
+    if ($term->parents[0] != 0) {
+      $tree[$term->parents[0]]->children[] = $term->tid;
+    }
+  }
+
+  // build menu with hierarchy
+  foreach ($tree as $term) {
+    jquery_drawer_build_tree($tree, $term);
+  }
+
+  // format output
+  $output  = '<li><a href="'. $GLOBALS['base_url'] .'/sobre">'. t('About') .'</a></li>';
+  $output .= '<li>'. t('Location');
+  $output .= '<ul id="drw-inner" class="hidden">';
+  foreach ($tree as $term) {
+    $output .= jquery_drawer_menu_build($term);
+  }
+  $output .= '</ul></li>';
+
+  return $output;
+}
+
+/**
  * Recursively build the menu.
  *
  * @ingroup themeable
  */
-function jquery_drawer_show_items($menu) {
+/*function jquery_drawer_show_items($menu) {
 
   global $_jquery_drawer_id;
 
@@ -198,12 +342,12 @@ function jquery_drawer_show_items($menu) {
   $output .= '</ul>';
   return $output;
 
-}
+}*/
 
 /**
  * Check whether a menu has at least one unhidden submenu.
  */
-function jquery_drawer_has_unhidden_submenu($menu = FALSE) {
+/*function jquery_drawer_has_unhidden_submenu($menu = FALSE) {
 
   if ($menu == FALSE) {
     return FALSE;
@@ -216,7 +360,7 @@ function jquery_drawer_has_unhidden_submenu($menu = FALSE) {
   }
 
   return FALSE;
-}
+}*/
 
 /**
  * jQuery Drawer Javascript theme function.
@@ -249,9 +393,49 @@ function theme_jquery_drawer_link($link) {
 
   $link['attributes']['rel'] = 'drw';
 
-  $output  = '<li>';
+  $output  = '<li class="drw_li">';
   $output .= l($link['title'], $link['href'], array('attributes' => array('rel' => 'drw')));
   $output .= '</li>';
 
   return $output;
 }
+
+/**
+ * Version of taxonomy_get_tree() without caching.
+ */
+function jquery_drawer_taxonomy_get_tree($vid, $parent = 0, $depth = -1, $max_depth = NULL, $cache = FALSE) {
+  static $children, $parents, $terms;
+
+  $depth++;
+
+  // We can cache trees, so it's not CPU-intensive to call get_tree() on a term
+  // and its children, too.
+  if (!$cache && !isset($children[$vid])) {
+    $children[$vid] = array();
+
+    $result = db_query(db_rewrite_sql('SELECT t.tid, t.*, parent FROM {term_data} t INNER JOIN {term_hierarchy} h ON t.tid = h.tid WHERE t.vid = %d ORDER BY weight, name', 't', 'tid'), $vid);
+    while ($term = db_fetch_object($result)) {
+      $children[$vid][$term->parent][] = $term->tid;
+      $parents[$vid][$term->tid][] = $term->parent;
+      $terms[$vid][$term->tid] = $term;
+    }
+  }
+
+  $max_depth = (is_null($max_depth)) ? count($children[$vid]) : $max_depth;
+  $tree = array();
+  if ($max_depth > $depth && !empty($children[$vid][$parent])) {
+    foreach ($children[$vid][$parent] as $child) {
+      $term = drupal_clone($terms[$vid][$child]);
+      $term->depth = $depth;
+      // The "parent" attribute is not useful, as it would show one parent only.
+      unset($term->parent);
+      $term->parents = $parents[$vid][$child];
+      $tree[] = $term;
+      if (!empty($children[$vid][$child])) {
+        $tree = array_merge($tree, taxonomy_get_tree($vid, $child, $depth, $max_depth));
+      }
+    }
+  }
+
+  return $tree;
+}