1 files changed, 69 insertions, 0 deletions
diff --git a/mailnews/base/prefs/content/am-archiveoptions.js b/mailnews/base/prefs/content/am-archiveoptions.js
new file mode 100644
index 000000000..ae09ae156
--- /dev/null
+++ b/mailnews/base/prefs/content/am-archiveoptions.js
@@ -0,0 +1,69 @@
+/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+var gIdentity = null;
+
+/**
+ * Load the archive options dialog, set the radio/checkbox items to the
+ * appropriate values, and update the archive hierarchy example.
+ */
+function onLoadArchiveOptions() {
+  // extract the account
+  gIdentity = window.arguments[0];
+
+  let granularity = document.getElementById("archiveGranularity");
+  granularity.selectedIndex = gIdentity.archiveGranularity;
+  granularity.addEventListener("command", updateArchiveExample, false);
+
+  let kfs = document.getElementById("archiveKeepFolderStructure");
+  kfs.checked = gIdentity.archiveKeepFolderStructure;
+  kfs.addEventListener("command", updateArchiveExample, false);
+
+  updateArchiveExample();
+}
+
+/**
+ * Save the archive settings to the current identity.
+ */
+function onAcceptArchiveOptions() {
+  gIdentity.archiveGranularity =
+    document.getElementById("archiveGranularity").selectedIndex;
+  gIdentity.archiveKeepFolderStructure =
+    document.getElementById("archiveKeepFolderStructure").checked;
+}
+
+/**
+ * Update the example tree to show what the current options would look like.
+ */
+function updateArchiveExample() {
+  let granularity = document.getElementById("archiveGranularity").selectedIndex;
+  let kfs = document.getElementById("archiveKeepFolderStructure").checked;
+  let hierarchy = [ document.getElementsByClassName("root"),
+                    document.getElementsByClassName("year"),
+                    document.getElementsByClassName("month") ];
+
+  // First, show/hide the appropriate levels in the hierarchy and turn the
+  // necessary items into containers.
+  for (let i = 0; i < hierarchy.length; i++) {
+    for (let j = 0; j < hierarchy[i].length; j++) {
+      hierarchy[i][j].setAttribute("container", granularity > i);
+      hierarchy[i][j].setAttribute("open", granularity > i);
+      hierarchy[i][j].hidden = granularity < i;
+    }
+  }
+
+  // Next, handle the "keep folder structures" case by moving a tree item around
+  // and making sure its parent is a container.
+  let folders = document.getElementById("folders");
+  folders.hidden = !kfs;
+  if (kfs) {
+    let parent = hierarchy[granularity][0];
+    parent.setAttribute("container", true);
+    parent.setAttribute("open", true);
+
+    let treechildren = parent.children[1];
+    treechildren.appendChild(folders);
+  }
+}