first import

2015-04-08 11:40:19 +02:00
commit 1bc61b12ad
8435 changed files with 1582817 additions and 0 deletions
@@ -0,0 +1,59 @@
+<?php
+/**
+ * @file
+ * Provides active menu item pruning.
+ */
+
+/**
+ * Prune a tree so that it begins at the active menu item.
+ *
+ * @param $tree
+ *   array The menu tree to prune.
+ * @param $level
+ *   string The level which the tree will be pruned to: 'active' or 'child'.
+ * @return
+ *   void
+ */
+function _menu_tree_prune_active_tree(&$tree, $level) {
+  do {
+    $found_active_trail = FALSE;
+    // Examine each element at this level for the active trail.
+    foreach ($tree AS $key => &$value) {
+      if ($tree[$key]['link']['in_active_trail']) {
+        $found_active_trail = TRUE;
+        // If the active trail item has children, examine them.
+        if ($tree[$key]['below']) {
+          // If we are pruning to the active menu item's level, check if this
+          // is the active menu item by checking its children.
+          if ($level == 'active') {
+            foreach ($tree[$key]['below'] AS $child_key => &$value) {
+              if ($tree[$key]['below'][$child_key]['link']['in_active_trail']) {
+                // Get the title for the pruned tree.
+                menu_block_set_title($tree[$key]['link']);
+                $tree = $tree[$key]['below'];
+                // Continue in the pruned tree.
+                break 2;
+              }
+            }
+            // If we've found the active item, we're done.
+            break 2;
+          }
+          // Set the title for the pruned tree.
+          menu_block_set_title($tree[$key]['link']);
+          // If we are pruning to the children of the active menu item, just
+          // prune the tree to the children of the item in the active trail.
+          $tree = $tree[$key]['below'];
+          // Continue in the pruned tree.
+          break;
+        }
+        // If the active menu item has no children, we're done.
+        else {
+          if ($level == 'child') {
+            $tree = array();
+          }
+          break 2;
+        }
+      }
+    }
+  } while ($found_active_trail);
+}