Workflowy | 预览图片链接和嵌入视频文件

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// ==UserScript==
// @name         Workflowy Image Preview, Embed & Extend
// @namespace    http://tampermonkey.net/
// @version      0.11.0
// @description  Add image preview, embed videos & extend Workflowy
// @author       Namkit
// @match        https://workflowy.com/*
// @grant        none
// ==/UserScript==

(function() {
  'use strict';

  const imageUrlRegex = /(https?:\/\/[^\s]+?(?:\.(?:jpg|jpeg|png|gif|svg|webp))|(?:.+&)?f=(?:JPEG|PNG|GIF|SVG|WEBP)|[^\s]+mmbiz_png.+wx_fmt=(?:JPEG|PNG|GIF|SVG|WEBP)|[^\s]+webp|\/[^\s]+?\.(?:jpg|jpeg|png|gif|svg|webp)|[^\s]+?\.(?:jpg|jpeg|png|gif|svg|webp)|[^\s]+\/photo\/[^\s]+|[^\s]+\/media\/[^\s]+)/i;

  const modaoFormat = {
    regex: /https?:\/\/modao\.cc\/app\/([0-9a-zA-Z]+)/i,
    embed: 'https://modao.cc/app/$1/embed/v2'
  };

  const bilibiliFormat1 = {
    regex: /https?:\/\/(www\.)?bilibili\.com\/video\/(BV[\w]+)\//i,
    embed: '//player.bilibili.com/player.html?bvid=$2&high_quality=1&autoplay=0'
  };

  const bilibiliFormat2 = {
    regex: /https?:\/\/(b23\.)?tv\/(BV[\w]+)/i,
    embed: '//player.bilibili.com/player.html?bvid=$2&high_quality=1&autoplay=0'
  };

  const bilibiliFormat3 = {
    regex: /https?:\/\/(www\.)?bilibili\.com\/video\/(av[\d]+)\//i,
    embed: '//player.bilibili.com/player.html?aid=$2&high_quality=1&autoplay=0'
  };

  const mastergoFormat = {
    regex: /https?:\/\/mastergo\.com\/goto\/([A-Za-z0-9]+)\?page_id=([0-9]+):([0-9]+)&file=([0-9]+)/i,
    embed: 'https://mastergo.com/file/$4?page_id=$2:$3&source=iframe_share'
  };

  const figmaFormat = {
    regex: /https?:\/\/(www\.)?figma\.com\/(file|proto)\/([0-9a-zA-Z]+)(\/.*)?/i,
    embed: 'https://www.figma.com/embed?embed_host=share&url=https%3A%2F%2Fwww.figma.com%2F$2%2F$3&type=design&node-id=0%253A1&mode=design&t=p6zHLdZVkWzkR00Y-1'
  };


  function createImagePreview(elem, imageUrl) {
  const container = document.createElement('div');
  container.style.position = 'fixed';  // Use fixed positioning
  container.style.zIndex = '100';
  container.style.backgroundColor = '#222';
  container.style.display = 'none';  // Initially hidden
  container.style.padding = '5px';

  const preview = document.createElement('img');
  preview.src = imageUrl;
  preview.style.maxWidth = '300px';  // Adjust as needed
  preview.style.maxHeight = '300px';  // Adjust as needed
  preview.style.objectFit = 'contain';
  preview.style.objectPosition = 'center';

  container.appendChild(preview);
  document.body.appendChild(container);  // Append to body to ensure it's on top

  return container;
}

function getModaoPreview(id) {
    return 'https://xxx/thumbnail/' + id;
  }

function processLink(linkElem) {
  const match = linkElem.href.match(imageUrlRegex);
  if (match) {
    const imageUrl = match[1];
    const previewElem = createImagePreview(linkElem, imageUrl);

    // Show preview on mouseover
    // Show preview on mouseover
    linkElem.addEventListener('mouseover', function(e) {
    // Position the preview near the mouse cursor, with a small offset
      previewElem.style.left = (e.clientX + 10) + 'px';
      previewElem.style.top = e.clientY + 'px';
      previewElem.style.display = 'block';
    });

    // Hide preview on mouseout
    linkElem.addEventListener('mouseout', function() {
      previewElem.style.display = 'none';
    });
  }
  match = linkElem.href.match(modaoFormat.regex);
  if (match) {
    const embedUrl = linkElem.href.replace(modaoFormat.regex, modaoFormat.embed);
    appendIframe(linkElem, embedUrl, true);
  }
}

    function processAllLinks() {
        const links = document.querySelectorAll('a');
        links.forEach((link) => {
            if (!link.hasAttribute('data-image-preview')) {
                link.setAttribute('data-image-preview', 'true');
                processLink(link);
            }
        });
    }

  function checkForEmbeds() {
    document.querySelectorAll('a:not([data-processed])').forEach(a => {
      const url = a.href;
      let match = url.match(bilibiliFormat1.regex);
      if (match) {
        const embedUrl = url.replace(bilibiliFormat1.regex, bilibiliFormat1.embed);
        appendIframe(a, embedUrl);
      }

      match = url.match(bilibiliFormat2.regex);
      if (match) {
        const embedUrl = url.replace(bilibiliFormat2.regex, bilibiliFormat2.embed);
        appendIframe(a, embedUrl);
      }

      match = url.match(bilibiliFormat3.regex);
      if (match) {
        const embedUrl = url.replace(bilibiliFormat3.regex, bilibiliFormat3.embed);
        appendIframe(a, embedUrl);
      }

      match = url.match(figmaFormat.regex);
      if (match) {
        const embedUrl = url.replace(figmaFormat.regex, figmaFormat.embed);
        appendIframe(a, embedUrl, 800, 450);
      }

      match = url.match(mastergoFormat.regex);
      if (match) {
        const embedUrl = url.replace(mastergoFormat.regex, mastergoFormat.embed);
        appendIframe(a, embedUrl, 800, 450);
      }
      match = url.match(modaoFormat.regex);
        if (match) {
        const embedUrl = url.replace(modaoFormat.regex, modaoFormat.embed);
        appendIframe(a, embedUrl);
        }
    });
  }

  function appendIframe(a, embedUrl, width=560, height=315) {
    const iframe = document.createElement('iframe');
    iframe.src = embedUrl;
    iframe.width = width;
    iframe.height = height;
    iframe.style.border = '0';
    iframe.style.display = "block";
    iframe.allow = "accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture";
    a.parentElement.insertBefore(iframe, a.nextSibling);
    a.setAttribute('data-processed', true);

    const lineBreak = document.createElement('br');
    a.parentElement.insertBefore(lineBreak, iframe.nextSibling);
  }

  setInterval(() => {
    processAllLinks();
    checkForEmbeds();
  }, 500);

})();