Adding anujb's calendar extension.

chrome/common/extensions/docs/examples/extensions/calendar/javascript/options.js

Index: chrome/common/extensions/docs/examples/extensions/calendar/javascript/options.js
diff --git a/chrome/common/extensions/docs/examples/extensions/calendar/javascript/options.js b/chrome/common/extensions/docs/examples/extensions/calendar/javascript/options.js
new file mode 100644
index 0000000000000000000000000000000000000000..1a6ce65430f9feb675afe17248d61237862d7065
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+++ b/chrome/common/extensions/docs/examples/extensions/calendar/javascript/options.js
@@ -0,0 +1,73 @@
+/**
+ * Copyright (c) 2010 The Chromium Authors. All rights reserved.  Use of this
+ * source code is governed by a BSD-style license that can be found in the
+ * LICENSE file.
+ */
+
+//Contains true if multiple calendar option is checked, false otherwise.
+var isMultiCalendar;
+
+//adding listener when body is loaded to call init function.
+window.addEventListener('load', init, false);
+
+/**
+ * Sets the value of multiple calendar checkbox based on value from
+ * local storage.
+ */
+ function init() {
+  isMultiCalendar = JSON.parse(localStorage.multiCalendar || false);
+  $('multiCalendar').checked = isMultiCalendar;
+  $('multiCalendarText').innerHTML =
+      chrome.i18n.getMessage('multiCalendarText');
+  $('optionsTitle').innerHTML = chrome.i18n.getMessage('optionsTitle');
+  $('imageTooltip').title = chrome.i18n.getMessage('imageTooltip');
+  $('imageTooltip').alt = chrome.i18n.getMessage('imageTooltip');
+  $('multiCalendarText').title = chrome.i18n.getMessage('multiCalendarToolTip');
+  $('multiCalendar').title = chrome.i18n.getMessage('multiCalendarToolTip');
+  $('extensionName').innerHTML = chrome.i18n.getMessage('extensionName');
+  if (chrome.i18n.getMessage('direction') == 'rtl') {
+    document.querySelector('body').style.direction = 'rtl';
+  }
+};
+
+/**
+ * Saves the value of the checkbox into local storage.
+ */
+function save() {
+  var multiCalendarId = $('multiCalendar');
+  localStorage.multiCalendar = multiCalendarId.checked;
+  if (multiCalendarId) {
+    multiCalendar.disabled = true;
+  }
+  $('status').innerHTML = chrome.i18n.getMessage('status_saving');
+  $('status').style.display = 'block';
+  chrome.extension.getBackgroundPage().onSettingsChange();
+};
+
+/**
+ * Fired when a request is sent from either an extension process or a content
+ * script. Add Listener to enable the save checkbox button on server response.
+ * @param {String} request Request sent by the calling script.
+ * @param {Object} sender Information about the script that sent a message or
+ *     request.
+ * @param {Function} sendResponse Function to call when there is a response.
+ *     The argument should be any JSON-ifiable object, or undefined if there
+ *     is no response.
+ */
+chrome.extension.onRequest.addListener(function(request, sender, sendResponse) {
+  if (!request.message)
+    return;
+  switch (request.message) {
+    case 'enableSave':
+      if ($('multiCalendar')) {
+        if ($('multiCalendar').disabled) {
+          $('status').innerHTML = chrome.i18n.getMessage('status_saved');
+          $('status').style.display = 'block';
+          setTimeout("$('status').style.display = 'none'", 1500);
+        }
+        $('multiCalendar').disabled = false;
+      }
+      sendResponse();
+      break;
+  }
+});