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Gmail Basic Select All

Add select all/none button to Gmail Basic

目前为 2016-07-19 提交的版本。查看 最新版本。

  1. // ==UserScript==
  2. // @name        Gmail Basic Select All
  3. // @namespace   mailto:badocelot@badocelot.com
  4. // @description Add select all/none button to Gmail Basic
  5. // @include     https://mail.google.com/mail/*/h/*
  6. // @include     https://mail.google.com/mail/h/*
  7. // @version     2
  8. // @license     MIT/Expat
  9. // @grant       none
  10. // ==/UserScript==
  11.  
  12. /*  User script to add a "select all/none" button to Gmail Basic
  13.  *
  14.  *  @licstart The following is the entire license notice for the JavaScript
  15.  *  code in this file.
  16.  *
  17.  *  Copyright (C) 2016 James M. Jensen II
  18.  *
  19.  *  Permission is hereby granted, free of charge, to any person obtaining
  20.  *  a copy of this software and associated documentation files (the
  21.  *  "Software"), to deal in the Software without restriction, including
  22.  *  without limitation the rights to use, copy, modify, merge, publish,
  23.  *  distribute, sublicense, and/or sell copies of the Software, and to
  24.  *  permit persons to whom the Software is furnished to do so, subject to
  25.  *  the following conditions:
  26.  *
  27.  *  The above copyright notice and this permission notice shall be included
  28.  *  in all copies or substantial portions of the Software.
  29.  *
  30.  *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  31.  *  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  32.  *  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
  33.  *  IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
  34.  *  CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  35.  *  TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  36.  *  SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  37.  *
  38.  *  @licend The following is the entire license notice for the JavaScript
  39.  *  code in this file.
  40.  */
  41.  
  42. // So, the way this works is we look up the "Archive" buttons that start the
  43. // bars above and below the email list, and for each one we create a button
  44. // to inject before the archive button.
  45. //
  46. // When the button is clicked, it loops through the checkboxes on each
  47. // conversation and counts how many are checked or unchecked.  If the majority
  48. // are checked, it unchecks all of them, and vice versa.
  49.  
  50. function toggleBoxes () {
  51.   var i;
  52.   var checkboxes = document.getElementsByName('t');
  53.  
  54.   // Check whether majority are checked or unchecked to determine
  55.   // which way to toggle them
  56.   var num_checked = 0;
  57.   var num_unchecked = 0;
  58.   for (i = 0; i < checkboxes.length; i++) {
  59.     if (checkboxes[i].checked) {
  60.       num_checked++;
  61.     } else {
  62.       num_unchecked++;
  63.     }
  64.   }
  65.  
  66.   var shouldCheck;
  67.   if (num_unchecked < num_checked) {
  68.     shouldCheck = false;
  69.   } else {
  70.     shouldCheck = true;
  71.   }
  72.  
  73.   // (un)check all checkboxes
  74.   for (i = 0; i < checkboxes.length; i++) {
  75.     var c = checkboxes[i];
  76.     c.checked = shouldCheck;
  77.   }
  78. }
  79.  
  80. var archButtons = document.getElementsByName('nvp_a_arch');
  81. for (var i = 0; i < archButtons.length; i++) {
  82.   var btn = archButtons[i];
  83.   
  84.   var toggle = document.createElement('button');
  85.   toggle.type = 'button';
  86.   toggle.innerHTML = '&#x2714;';
  87.   
  88.   // hack to fix the right-side gap -- I have no idea why this is necessary
  89.   toggle.style.marginRight = '6px';
  90.   
  91.   toggle.onclick = toggleBoxes;
  92.   
  93.   var buttonRow = btn.parentElement;
  94.   buttonRow.insertBefore(toggle, btn);
  95. }