tree functionality

git-svn-id: https://svn.code.sf.net/p/squirrelmail/code/trunk/squirrelmail@263 7612ce4b-ef26-0410-bec9-ea0150e637f0

diff --git a/functions/tree.php b/functions/tree.php
new file mode 100644 (file)
index 0000000..680b0d0
--- /dev/null
+++ b/functions/tree.php
@@ -0,0 +1,78 @@
+<?
+   $tree_php = true;
+
+   if (!isset($imap_php))
+      include("../functions/imap.php");
+
+   function findParentForChild($value, $treeIndexToStart, $tree) {
+      if ((isset($tree[$treeIndexToStart])) && (strstr($value, $tree[$treeIndexToStart]["value"]))) {
+         if ($tree[$treeIndexToStart]["doIHaveChildren"]) {
+            for ($i=0;$i< count($tree[$treeIndexToStart]["subNodes"]);$i++) {
+               $result = findParentForChild($value, $tree[$treeIndexToStart]["subNodes"][$i]);
+               if ($result > -1)
+                  return $result;
+            }
+            return $treeIndexToStart;
+         } else
+            return $treeIndexToStart;
+      } else {
+         return -1;
+      }
+   }  
+
+   function addChildNodeToTree($value, &$tree) {
+      $parentNode = findParentForChild($value, 0, $tree);
+
+      // create a new subNode
+      $newNodeIndex = count($tree) + 1;
+      $tree[$newNodeIndex]["value"] = $value;
+      $tree[$newNodeIndex]["doIHaveChildren"] = false;
+
+      if ($tree[$parentNode]["doIHaveChildren"] == false) {
+         // make sure the parent knows it has children
+         $tree[$parentNode]["subNodes"][0] = $newNodeIndex;
+         $tree[$parentNode]["doIHaveChildren"] = true;
+      } else {
+         $nextSubNode = count($tree[$parentNode]["subNodes"]);
+         // make sure the parent knows it has children
+         $tree[$parentNode]["subNodes"][$nextSubNode] = $newNodeIndex;
+      }
+   }
+
+   function walkTreeInPreOrderDeleteFolders($index, $imap_stream, $tree) {
+      if ($tree[$index]["doIHaveChildren"]) {
+         for ($j = 0; $j < count($tree[$index]["subNodes"]); $j++) {
+            walkTreeInPreOrderDeleteFolders($tree[$index]["subNodes"][$j], $imap_stream, $tree);
+         }
+         sqimap_mailbox_delete($imap_stream, $tree[$index]["value"]);
+      } else {
+         sqimap_mailbox_delete($imap_stream, $tree[$index]["value"]);
+      }
+   }
+
+   function walkTreeInPostOrderCreatingFoldersUnderTrash($index, $imap_stream, $tree, $dm, $topFolderName) {
+      global $trash_folder;
+
+      $position = strrpos($topFolderName, $dm) + 1;
+      $subFolderName = substr($tree[$index]["value"], $position);
+
+      if ($tree[$index]["doIHaveChildren"]) {
+         sqimap_mailbox_create($imap_stream, $trash_folder . $dm . $subFolderName, "");
+         sqimap_mailbox_select($imap_stream, $tree[$index]["value"]);
+        
+         $messageCount = sqimap_get_num_messages($imap_stream, $tree[$index]["value"]);
+         if ($messageCount > 0)
+            sqimap_messages_copy($imap_stream, 1, $messageCount, $trash_folder . $dm . $subFolderName);
+         
+         for ($j = 0;$j < count($tree[$index]["subNodes"]); $j++)
+            walkTreeInPostOrderCreatingFoldersUnderTrash($tree[$index]["subNodes"][$j], $imap_stream, $tree, $dm, $topFolderName);
+      } else {
+         sqimap_mailbox_create($imap_stream, $trash_folder . $dm . $subFolderName, "");
+         sqimap_mailbox_select($imap_stream, $tree[$index]["value"]);
+         
+         $messageCount = sqimap_get_num_messages($imap_stream, $tree[$index]["value"]);
+         if ($messageCount > 0)
+            sqimap_messages_copy($imap_stream, 1, $messageCount, $trash_folder . $dm . $subFolderName);
+      }
+   }
+?>