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byr-signature

为北邮人论坛发帖添加个性签名

当前为 2016-12-04 提交的版本，查看 最新版本。

  1. /* eslint-env greasemonkey, browser */
  2. // ==UserScript==
  3. // @name         byr-signature
  4. // @namespace    weibo.com/flowmemo
  5. // @version      0.2.0
  6. // @description  为北邮人论坛发帖添加个性签名
  7. // @author       flowmemo
  8. // @match        *://bbs.byr.cn/*
  9. // @match        *://bbs6.byr.cn/*
  10. // @grant        GM_getValue
  11. // @grant        GM_setValue
  12. // @license      MIT
  13. // @supportURL   https://github.com/flowmemo/byr-signature
  14. // ==/UserScript==
  15.  
  16. ; (function () {
  17.   'use strict'
  18.   const _DEBUG = false
  19.   const log = (function () {
  20.     if (_DEBUG) return console.log.bind(console)
  21.     else return Function.prototype
  22.   })()
  23.  
  24.   log('init')
  25.   const added = new WeakSet()
  26.  
  27.   const defaultSig =
  28.     `————
  29. 示例签名: 微博 [url=http://weibo.com/flowmemo][color=#0000FF]@flowmemo[/color][/url] , 现在主要写JavaScript. 关注广泛, 欢迎交流.
  30. 修改签名请到[url=https://bbs.byr.cn/#!article/WWWTechnology/post][color=#0000FF]这里[/color][/url]
  31. [url=https://github.com/flowmemo/byr-signature][color=#0000FF]此签名通过「北邮人签名档」脚本发送[/color][/url]`
  32.  
  33.   function getUsername () {
  34.     const user = document.querySelector('.u-login-id a')
  35.     if (!user) {
  36.       log('cannot find username')
  37.       return false
  38.     }
  39.     const username = user.title
  40.     return username
  41.   }
  42.  
  43.   function getSig () {
  44.     const username = getUsername()
  45.     if (!username) return false
  46.     const signature = GM_getValue('sig-' + username, defaultSig)
  47.     return signature
  48.   }
  49.  
  50.   function addPostSig () {
  51.     log('addPostSig')
  52.     const div = document.getElementById('post_content')
  53.     if (!div || added.has(div)) return false
  54.     added.add(div)
  55.     div.value += '\n' + getSig()
  56.     addSigPanel()
  57.     return true
  58.   }
  59.  
  60.   function addQuickSig () {
  61.     log('addQuickSig')
  62.     const div = document.getElementsByName('content')[0]
  63.     if (!div || added.has(div)) return false
  64.     added.add(div)
  65.     div.value += '\n' + getSig()
  66.     log('add value')
  67.     return true
  68.   }
  69.  
  70.   function addSigPanel () {
  71.     log('sigPanel')
  72.     const div = document.createElement('div')
  73.     const postItems = document.getElementsByClassName('post-list-item')
  74.     const referNode = postItems[postItems.length - 2]
  75.     referNode.appendChild(div)
  76.     div.outerHTML =
  77.       `<br><br><div>
  78.        <div class="post-m">byr-signature自定义签名</div>
  79.        <div class="byr-signature" style="border:1px solid #c9d7f1;padding:5px;width:680px">
  80.        <textarea class="post-textarea" name="sig-content" placeholder="在此输入你的签名"></textarea><br>
  81.        </div><p><input name="saveSig" type="button" value="保存"> 保存后刷新页面生效（注意保存你的发帖内容） </p></div>`
  82.  
  83.     const userSig = document.getElementsByName('sig-content')[0]
  84.     userSig.value = getSig()
  85.     const saveButton = document.getElementsByName('saveSig')[0]
  86.  
  87.     const username = getUsername()
  88.     if (!username) return false
  89.     saveButton.addEventListener('click', function () {
  90.       log('save')
  91.       log('username', username)
  92.       GM_setValue('sig-' + username, userSig.value)
  93.     })
  94.   }
  95.  
  96.   function onPageChange () {
  97.     log('onPageChange')
  98.     if (window.location.href.match(/'#!article'/)) return
  99.     if (window.location.href.match(/edit|post/)) {
  100.       log(addPostSig())
  101.     } else log(addQuickSig())
  102.   }
  103.   onPageChange()
  104.   const observer = new MutationObserver(onPageChange)
  105.   observer.observe(document.body, {childList: true, subtree: true})
  106. })()