releases-comm-central/mailnews/base/prefs/content/am-archiveoptions.js

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JavaScript

/* -*- 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;
document.addEventListener("dialogaccept", onAcceptArchiveOptions);
/**
* 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].identity;
let granularity = document.getElementById("archiveGranularity");
granularity.selectedIndex = gIdentity.archiveGranularity;
granularity.addEventListener("command", updateArchiveExample);
let kfs = document.getElementById("archiveKeepFolderStructure");
kfs.checked = gIdentity.archiveKeepFolderStructure;
kfs.addEventListener("command", updateArchiveExample);
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);
}
}