Title Manager

Manage page titles per (sub)domain. Shift-T-M for options.
当前为 2014-03-12 提交的版本，查看最新版本。
换行
// ==UserScript==
// @name        Title Manager
// @namespace   grom
// @description Manage page titles per (sub)domain. Shift-T-M for options.
// @include     http*
// @grant       GM_getValue
// @grant       GM_setValue
// @grant       GM_deleteValue
// @version     1.0.20140312
// @run-at      document-end
// ==/UserScript==
 
 
if ( GM_getValue === 'undefined' || GM_setValue === 'undefined' ) {
  alert('=== Title Manager ===\n\nUnable to load or store values.\
  \nPlease use supported script managers:\nGreasemonkey, Tampermonkey...');
}
 
var domains = GM_getValue('domains', '').replace(/\./g, '\\.');
var match = window.location.host.toLowerCase().match(domains);
if (match) {
  var _find = GM_getValue(match[0] + '-find', '');
    if (_find.match(/^regex:/)) {
      var _find = _find.replace(/^regex:/, '');
      var _find = new RegExp(_find, 'i');
    }
  var _replaceWith = GM_getValue(match[0] + '-with', '');
}
 
var t = document.querySelector('title');
var tOriginal = t.innerHTML;
 
if (t && _find) {
  t.innerHTML = t.innerHTML.replace(_find,_replaceWith);
}
 
// separators
var sep1 = '========';
var sep2 = '--------';
 
function tm_add() {
  var d = document,
      _domain = d.getElementById('tm-domain').value.toLowerCase(),
      _domainCheck = /^[a-z0-9_\.-]+$/;
  if (!_domain.match(_domainCheck)) {
    d.getElementById('tm-error-notifier').innerHTML = 'Domain invalid. Please use letters a-z, numbers 0-9, underscore _, minus - or dot .';
    return false;
  }
  var _find = d.getElementById('tm-find').value;
  var _with = d.getElementById('tm-with').value;
  // store values
  if (_domain && _find) {
    var domains = GM_getValue('domains', '');
    if (!domains) {
      GM_setValue('domains', _domain);
    }
    else {
      var match = _domain.replace(/\./g, '\\.');
      var match = new RegExp('(^|\\|)' + match + '($|\\|)');
      if (!domains.match(match)) {
        var domains = domains + '|' + _domain;
        GM_setValue('domains', domains);
      }
    }
    GM_setValue(_domain + '-find', _find);
    if (_with) {
      var _withRegex = d.getElementById('tm-with');
      // if not adding as regex
      if (!_withRegex.getAttribute('regex')) {
        // crazy dollar sign escaping;
        var _with = _with.replace(/\$/g, '$$$$');
      }
      GM_setValue(_domain + '-with', _with);
      _withRegex.removeAttribute('regex');
    }
  }
}
 
function tm_addRegex() {
  var _find = document.getElementById('tm-find').value;
  if (!_find.match(/^regex:/)) {
    _find = _find.replace(/^/, 'regex:');
    document.getElementById('tm-find').value = _find;
  }
  document.getElementById('tm-with').setAttribute('regex', 'true');
  tm_add();
}
 
function tm_manage() {
  var d = document;
  // d.documentElement.innerHTML is alternative to d.write("");
  d.documentElement.innerHTML = '';
  var domains = GM_getValue('domains', '');
  if (domains) {
    var domains = domains.split('|');
    for(var i = 0, j = domains.length; i < j; i++) {
      var _find = GM_getValue(domains[i] + '-find', '');
      var _replaceWith = GM_getValue(domains[i] + '-with', '');
      var box = d.createElement('div');
      box.className = 'item';
      box.innerHTML = '<span class="doms">' + domains[i] + '</span><br /><span class="find">' + _find + '</span>\
<br /><span class="with">' + _replaceWith + '</span><br /><button>Remove</button><br /><span>' + sep1 + '</span>';
      if (d.body) d.body.appendChild(box);
      else d.documentElement.appendChild(box);
      box.getElementsByTagName('button')[0].addEventListener('click', tm_removeItem);
    }
  }
  var impList = d.createElement('textarea');
  impList.id = 'tm-import-list';
  d.documentElement.appendChild(impList);
  var imp = d.createElement('input');
  imp.type = 'submit'; imp.id = 'tm-import'; imp.value = 'Import';
  d.documentElement.appendChild(imp);
  imp.addEventListener('click', tm_import);
}
 
function tm_removeItem() {
  var item = this.parentNode;
  var _domain = item.getElementsByClassName('doms')[0].innerHTML;
  GM_deleteValue(_domain + '-find');
  GM_deleteValue(_domain + '-with');
  var domains = GM_getValue('domains', '');
  var match = _domain.replace(/\./g,"\\.");
  var match = new RegExp('(^|\\|)' + match + '($|\\|)'); // match: (^ or |) + single/current domain + ($ or |)
  var domains = domains.replace(match, '$1').replace(/(\|)\||\|$/g, '$1'); // replace: matched single domain with ^ or |; replace: || with | or remove |$
  GM_setValue('domains', domains);
  item.parentNode.removeChild(item);
}
 
function tm_import() {
  var d = document,
      list = d.getElementById('tm-import-list').value;
  var list = list.match(/.+/g).join(sep2).replace(/(--------)+========$/, '').split(sep1+sep2);
  if (!d.getElementById('tm-add')) tm_QuickMenu();
  for(var i = 0, j = list.length; i < j; i++) {
    var listB = list[i].split(sep2);
    d.getElementById('tm-domain').value = listB[0];
    d.getElementById('tm-find').value = listB[1];
    if (listB[2]) {
      d.getElementById('tm-with').value = listB[2];
      d.getElementById('tm-with').setAttribute('regex', 'true');
    }
    if (listB[0] && listB[1]) tm_add();
  }
  tm_manage();
}
 
function tm_QuickMenu() {
  var d = document,
      box = d.createElement('div');
  box.style = 'text-align:center!important;';
  box.innerHTML = '<br /><hr><h1>Title Manager</h1><p>Full title: "<strong>' + tOriginal + '</strong>"</p>\
<p id="tm-error-notifier">Regex supported only in "Search for"; use single backslash <strong>\\</strong> for escaping characters.</p>\
<p>Domain: <input type="text" id="tm-domain" value="' + window.location.host.toLowerCase() + '" /></p>\
<p>Search for: <input type="text" id="tm-find" value="' + tOriginal + '" /></p>\
<p>Replace with: <input type="text" id="tm-with" value="" /></p>\
<p><input type="submit" id="tm-add" value="Add" /> or <input type="submit" id="tm-add-regex" value="Add as regex" /></p>\
<p><input type="submit" id="tm-manage" value="View and manage all title rules" /></p><br /><br />';
  if (d.body) d.body.appendChild(box);
  else d.documentElement.appendChild(box);
  box.scrollIntoView();
  d.getElementById('tm-add').addEventListener('click', tm_add);
  d.getElementById('tm-add-regex').addEventListener('click', tm_addRegex);
  d.getElementById('tm-manage').addEventListener('click', tm_manage);
}
 
// trigger for QuickMenu: Shift+T+M
var kbd = [];
onkeydown = onkeyup = function(e) {
  kbd[e.keyCode] = e.type == 'keydown';
  if (kbd[16] && kbd[84] && kbd[77]) {
    tm_QuickMenu();
    kbd = [];
    return false;
  }
}
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