options.js

   1
   2 document.addEventListener('DOMContentLoaded', function () {
   3         restoreOptions();
   4         document.querySelector('#saveBtn').addEventListener('click', saveOptions);
   5         document.querySelector('#restoreDefaultBtn').addEventListener('click', restoreToDefault);
   6
   7         //document.querySelector('body').addEventListener('click', restoreOptions);
   8 });
   9
  10 function getSelectValue (selectId) {
  11         var select = document.getElementById(selectId);
  12         var value = select.children[select.selectedIndex].value;
  13
  14         return value;
  15 }
  16
  17 function setSelectValue (selectId, value) {
  18         var select = document.getElementById(selectId);
  19         for (var i = 0; i < select.children.length; i++) {
  20                 var child = select.children[i];
  21                 if (child.value == value) {
  22                         child.selected = "true";
  23                         break;
  24                 }
  25         }
  26 }
  27
  28 function saveOptions () {
  29         var backupPeriodMinutes = getSelectValue("prefsSelectBackupPeriod");
  30         localStorage.prefsBackupTimer = backupPeriodMinutes;
  31
  32         var backupMaxItems = getSelectValue("prefsSelectMaxBackups");
  33         localStorage.prefsMaxBackupItems = backupMaxItems;
  34
  35         // Re-initialize the backup alarm
  36         chrome.runtime.getBackgroundPage((bg) => bg.initAlarm());
  37
  38         // Update status to let user know options were saved.
  39         var status = document.getElementById("statusDiv");
  40         status.innerHTML = "Options Saved";
  41         setTimeout(function() {
  42                 status.innerHTML = "";
  43         }, 3000);
  44 }
  45
  46 function restoreToDefault() {
  47         // those values are also set in background.js..
  48         setSelectValue ("prefsSelectBackupPeriod", "5");
  49         setSelectValue ("prefsSelectMaxBackups", "30");
  50
  51         saveOptions();
  52 }
  53
  54 function restoreOptions() {
  55         var backupPeriodMinutes = localStorage.prefsBackupTimer;
  56         var backupMaxItems = localStorage.prefsMaxBackupItems;
  57
  58         setSelectValue ("prefsSelectBackupPeriod", backupPeriodMinutes);
  59         setSelectValue ("prefsSelectMaxBackups", backupMaxItems);
  60 }