NGA论坛Vtuber讨论区表情包

清露イクナ　湊あくあ（均已授权）
目前为 2019-04-30 提交的版本。查看最新版本。
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// ==UserScript==
// @name         NGA论坛Vtuber讨论区表情包
// @version      0.0.3
// @description  清露イクナ　湊あくあ（均已授权）
// @author       hoshikaze
// @match        *://bbs.ngacn.cc/post.php*
// @match        *://ngabbs.com/post.php*
// @match        *://nga.178.com/post.php*
// @match        *://bbs.nga.cn/post.php*
// @grant        none
// @namespace https://greasyfork.org/users/296667
// ==/UserScript==

(function() {
    'use strict';
    const addStyle = (css) => {
      const style = document.createElement('style')
      style.innerText = css
      document.head.appendChild(style)
    }
  
    addStyle(`
    .single_ttip2 .div3 > div {
      padding: 4px 4px 0 4px;
    }
    .single_ttip2 .div3 > div:empty {
      display: inline-block;
      padding: 0;
    }
    .vtb-sticker img {
      max-height: 130px;
      cursor: pointer;
    }
    `)
  
    const stickers = ['./mon_201904/01/-zue37Q5-aki2KlToS1x-1o.png','./mon_201904/01/-zue37Q5-g8wdKoToS1x-1o.png','./mon_201904/01/-zue37Q5-eqmKlToS1x-1o.png','./mon_201904/01/-zue37Q5-6ae0KmToS1x-1o.png','./mon_201904/01/-zue37Q5-bwarKoToS1x-1o.png','./mon_201904/30/-88lruQ5-6s2bKzToS4g-3m.png',
    './mon_201904/30/-88lruQ5-l5q4KzToS4g-3m.png',
    './mon_201904/30/-88lruQ5-drj3KvToS4g-3m.png',
    './mon_201904/30/-88lruQ5-6z8fKwToS4g-3m.png',
    './mon_201904/30/-88lruQ5-lakzK11ToS4g-3m.png',
    './mon_201904/30/-88lruQ5-8c88KvToS4g-3m.png',
    './mon_201904/30/-88lruQ5-c58KvToS4g-3m.png',
    './mon_201904/30/-88lruQ5-e8xyK10ToS4g-3m.png',
    './mon_201904/30/-88lruQ5-hxdqKvToS4g-3m.png',
    './mon_201904/30/-88lruQ5-a34dKuToS4g-3m.png',
    './mon_201904/30/-88lruQ5-2pqhKyToS4g-3m.png',
    './mon_201904/30/-88lruQ5-gtu0KzToS4g-3m.png',
    './mon_201904/30/-88lruQ5-8cwvKxToS4g-3m.png',
    './mon_201904/30/-88lruQ5-fry6KvToS4g-3m.png',
    './mon_201904/30/-88lruQ5-7dm7KxToS4g-3m.png',
    './mon_201904/30/-88lruQ5-fx5xKyToS4g-3m.png',
    './mon_201904/30/-88lruQ5-h8pxKwToS4g-3m.png',
    './mon_201904/30/-88lruQ5-i0qyKrToS4g-3m.png',
    './mon_201904/30/-88lruQ5-75twKrToS4g-3m.png',
    './mon_201904/30/-88lruQ5-jcorKrToS4g-3m.png',
    './mon_201904/30/-88lruQ5-gdz8KpToS4g-3m.png',
    './mon_201904/30/-88lruQ5-8tynKpToS4g-3m.png',
    './mon_201904/30/-88lruQ5-1lsdKrToS4g-3m.png',
    './mon_201904/30/-88lruQ5-g9e8KsToS4g-3m.png',
    './mon_201904/30/-88lruQ5-9ig8KqToS4g-3m.png',
    './mon_201904/30/-88lruQ5-31n5KsToS4g-3m.png',
    './mon_201904/30/-88lruQ5-ctslKmToS4g-3m.png',
    './mon_201904/30/-88lruQ5-5934KwToS4g-3m.png'
    ]
    /*let recentStickers = []
    try {
      recentStickers = JSON.parse(localStorage.getItem('vtb-sticker'))
      if (!Array.isArray(recentStickers)) {
        recentStickers = []
      }
    } catch (e) {}
    window.saveRecentvtbSticker = (sticker) => {
      if (recentStickers.includes(sticker)) return
      recentStickers.push(sticker)
      recentStickers = recentStickers.slice(-10)
      localStorage.setItem('vtb-sticker', JSON.stringify(recentStickers))
    }
    window.setvtbSticker = (btn) => {
      const stickerBox = btn.nextSibling
      if (stickerBox) {
        if (btn.dataset.status === 'show') {
          stickerBox.classList.add('x')
          btn.dataset.status = 'hide'
          return
        } else if (btn.dataset.status === 'hide') {
          stickerBox.classList.remove('x')
          btn.dataset.status = 'show'
          return
        }
        let html = ''
        if (recentStickers.length) {
          recentStickers.forEach(sticker => {
            const src = `https://img.nga.178.com/attachments/${sticker.slice(2)}`
            html += `
            <img onclick="window.saveRecentvtbSticker('${sticker}');postfunc.addText('[img]${sticker}[/img]');postfunc.dialog.w._.hide()" src="${src}">
            `
          })
          html = `<div>${html}</div>`
        }
        stickers.forEach(sticker => {
          const src = `https://img.nga.178.com/attachments/${sticker.slice(2)}`
          html += `
          <img onclick="window.saveRecentvtbSticker('${sticker}');postfunc.addText('[img]${sticker}[/img]');postfunc.dialog.w._.hide()" src="${src}">
          `
        })
        stickerBox.insertAdjacentHTML('beforeend', html)
        btn.dataset.status = 'show'
      }
    }
  */
    const insertBtn = () => {
      if (document.querySelector('button#vtb-sticker')) return
      const box = document.querySelector('#uiAddTag .div3')
      box.insertAdjacentHTML('beforeend', '<button id="vtb-sticker" onclick="window.setvtbSticker(this)">VTB专区</button><div class="vtb-sticker"></div>')
    }
    const mutationCallback = (mutationsList) => {
      for (let mutation of mutationsList) {
        const type = mutation.type
        const addedNodes = mutation.addedNodes
        if (type === 'childList' && addedNodes.length && addedNodes.length < 2) {
          addedNodes.forEach(node => {
            if (node.id === 'uiAddTag' || (node.classList && node.classList.contains('div3'))) {
              insertBtn()
            }
          })
        }
      }
    }
  
    const obConfig = {
      subtree: true,
      childList: true
    }
  
    const targetNode = document.body
    const observer = new MutationObserver(mutationCallback)
    observer.observe(targetNode, obConfig)
  })();