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Gmail Basic Select All

Add select all/none button to Gmail Basic

  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     3
  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 buttons that start the bars
  43. // above and below the email list, and for each one we create a button to
  44. // inject before the archive button.
  45. //
  46. // TODO: Get this working on Sent Mail page, where the bars don't start
  47. // with a button or other named item.  Contacts would also be nice.
  48. //
  49. // When the button is clicked, it loops through the checkboxes on each
  50. // conversation and counts how many are checked or unchecked.  If the majority
  51. // are checked, it unchecks all of them, and vice versa.
  52.  
  53. function toggleBoxes () {
  54.   var i;
  55.   var checkboxes = document.getElementsByName('t');
  56.  
  57.   // Check whether majority are checked or unchecked to determine
  58.   // which way to toggle them
  59.   var num_checked = 0;
  60.   var num_unchecked = 0;
  61.   for (i = 0; i < checkboxes.length; i++) {
  62.     if (checkboxes[i].checked) {
  63.       num_checked++;
  64.     } else {
  65.       num_unchecked++;
  66.     }
  67.   }
  68.  
  69.   var shouldCheck;
  70.   if (num_unchecked < num_checked) {
  71.     shouldCheck = false;
  72.   } else {
  73.     shouldCheck = true;
  74.   }
  75.  
  76.   // (un)check all checkboxes
  77.   for (i = 0; i < checkboxes.length; i++) {
  78.     var c = checkboxes[i];
  79.     c.checked = shouldCheck;
  80.   }
  81. }
  82.  
  83. var i = 0;
  84.  
  85. // Figure out what the first button on the top and bottom bars is, checking
  86. // the following in order:
  87. //   * Archive (nvp_a_arch)
  88. //   * Remove Star (nvp_bu_rs)
  89. //   * Discard Drafts (nvp_a_dd)
  90. //   * Delete Forever (nvp_a_dl)
  91. //   * Remove label (nvp_bu_rl)
  92. //   * Move to Inbox (nvp_a_ib)
  93. var buttonNames = [
  94.   'nvp_a_arch',
  95.   'nvp_bu_rs',
  96.   'nvp_a_dd',
  97.   'nvp_a_dl',
  98.   'nvp_bu_rl',
  99.   'nvp_a_ib'
  100. ];
  101. var firstButtons = [];
  102. while (i < buttonNames.length && firstButtons.length === 0) {
  103.   firstButtons = document.getElementsByName(buttonNames[i]);
  104.   i++;
  105. }
  106.  
  107. for (i = 0; i < firstButtons.length; i++) {
  108.   var btn = firstButtons[i];
  109.   
  110.   var toggle = document.createElement('button');
  111.   toggle.type = 'button';
  112.   toggle.innerHTML = '&#x2714;';
  113.   
  114.   // hack to fix the right-side gap -- I have no idea why this is necessary
  115.   toggle.style.marginRight = '6px';
  116.   
  117.   toggle.onclick = toggleBoxes;
  118.   
  119.   var buttonRow = btn.parentElement;
  120.   buttonRow.insertBefore(toggle, btn);
  121. }