From 3c55b4bf505bcdd2e532e166751da4f7e461eeea Mon Sep 17 00:00:00 2001
From: Silvio <silvio@devlet.com.br>
Date: Wed, 15 Jun 2011 16:46:58 -0300
Subject: Adding $parents parameter to taxonomy_node_tree_get_empty()

---
 taxonomy_node_tree.module | 19 ++++++++++---------
 1 file changed, 10 insertions(+), 9 deletions(-)

diff --git a/taxonomy_node_tree.module b/taxonomy_node_tree.module
index 18184c6..34c1693 100644
--- a/taxonomy_node_tree.module
+++ b/taxonomy_node_tree.module
@@ -177,19 +177,20 @@ function taxonomy_node_tree_count($term, &$count = 0) {
  * @param $clean
  *   Set to true to cleanup term before adding to list.
  *
+ * @param $parents
+ *   Set to FALSE to exclude parent items even if they
+ *   don't have descendant nodes.
+ *
  * @param $list
  *   Array to store term list.
  *
  * @return
  *   Array with terms without descendant nodes.
- *
- * @todo
- *   Skip parents should be controlled by a parameter.
  */
-function taxonomy_node_tree_get_empty($term, $clean = FALSE, &$list = array()) {
+function taxonomy_node_tree_get_empty($term, $clean = FALSE, $parents = TRUE, &$list = array()) {
   if (taxonomy_node_tree_count($term) == 0) {
     // Skip parents.
-    if ($term->parents[0] != 0) {
+    if ($term->parents[0] != 0 || ($term->parents[0] == 0 && $parents)) {
       $save = drupal_clone($term);
 
       if ($clean == TRUE) {
@@ -203,7 +204,7 @@ function taxonomy_node_tree_get_empty($term, $clean = FALSE, &$list = array()) {
   }
   else if (isset($term->below)) {
     foreach ($term->below as $below) {
-      taxonomy_node_tree_get_empty($below, $clean, $list);
+      taxonomy_node_tree_get_empty($below, $clean, $parents, $list);
     }
   }
 
@@ -211,7 +212,7 @@ function taxonomy_node_tree_get_empty($term, $clean = FALSE, &$list = array()) {
 }
 
 /**
- * Build a list of no-nempty terms.
+ * Build a list of non-nempty terms.
  *
  * @param $term
  *   Term object.
@@ -220,7 +221,7 @@ function taxonomy_node_tree_get_empty($term, $clean = FALSE, &$list = array()) {
  *   Set to true to cleanup term before adding to list.
  *
  * @param $parents
- *   Set to TRUE to keep parent nodes even if they don't have
+ *   Set to TRUE to keep parent items even if they don't have
  *   descendant nodes.
  *
  * @param $list
@@ -268,7 +269,7 @@ function taxonomy_node_tree_get_non_empty($term, $clean = FALSE, $parents = FALS
  *   Set to TRUE to remove branches without descendant nodes.
  *
  * @param $parents
- *   Set to TRUE to keep parent nodes even if they don't have
+ *   Set to TRUE to keep parent items even if they don't have
  *   descendant nodes. Used just when $clean is also set to TRUE.
  *
  * @return
-- 
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