Acrylic 主题自定义七：自定义鼠标右键菜单

JS 自定义鼠标右键菜单主要是利用鼠标右键点击事件(contextmenu) 来实现

主题配置

在主题配置文件(_config.Acrylic.yml) 中新增配置

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# 右键菜单自定义
rightMenu: true

菜单结构

在 themes/Acrylic/layout/partial 文件夹下新建 rightMenu.ejs，代码如下👇

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<div id="right-menu">
  <ul class="right-menu-nav">
    <li class="right-menu-nav-item" onclick="history.back()">
      <a title="返回">
        <i class="fas fa-arrow-left"></i>
      </a>
    </li>
    <li class="right-menu-nav-item" onclick="history.forward()">
      <a title="前进">
        <i class="fas fa-arrow-right"></i>
      </a>
    </li>
    <li class="right-menu-nav-item" onclick="location.reload()">
      <a title="刷新">
        <i class="fas fa-redo"></i>
      </a>
    </li>
    <li class="right-menu-nav-item" onclick="acrylic.toTop()">
      <a title="回到顶部">
        <i class="fas fa-arrow-up"></i>
      </a>
    </li>
  </ul>
  <hr>
  <div id="right-menu-img">
    <ul class="right-menu-content">
      <li id="img-copy" class="right-menu-item">
        <a title="复制图片">
          <i class="fas fa-copy"></i>
          <span>复制图片</span>
        </a>
      </li>
      <li id="img-copy-link" class="right-menu-item">
        <a title="复制链接">
          <i class="fas fa-link"></i>
          <span>复制链接</span>
        </a>
      </li>
      <li id="img-view" class="right-menu-item">
        <a title="新窗口查看">
          <i class="fas fa-eye"></i>
          <span>新窗口查看</span>
        </a>
      </li>
      <li id="img-google-search" class="right-menu-item">
        <a title="谷歌搜图">
          <i class="fas fa-search"></i>
          <span>谷歌搜图</span>
        </a>
      </li>
    </ul>
  </div>
  <div id="right-menu-link">
    <ul class="right-menu-content">
      <li id="jump-link" class="right-menu-item">
        <a title="跳转链接">
          <i class="fas fa-link"></i>
          <span>跳转链接</span>
        </a>
      </li>
      <li id="copy-link" class="right-menu-item">
        <a title="复制链接">
          <i class="fas fa-copy"></i>
          <span>复制链接</span>
        </a>
      </li>
    </ul>
  </div>
  <div id="right-menu-post">
    <ul class="right-menu-content">
      <li class="right-menu-item" onclick="toRandomPost()">
        <a title="随便看看">
          <i class="fas fa-shuffle"></i>
          <span>随便看看</span>
        </a>
      </li>
      <li class="right-menu-item">
        <a title="博客分类" href="/categories">
          <i class="fas fa-cube"></i>
          <span>博客分类</span>
        </a>
      </li>
      <li class="right-menu-item">
        <a title="文章标签" href="/tags">
          <i class="fas fa-tags"></i>
          <span>文章标签</span>
        </a>
      </li>
      <li class="right-menu-item" onclick="acrylic.copyPageUrl()">
        <a title="复制地址">
          <i class="fas fa-copy"></i>
          <span>复制地址</span>
        </a>
      </li>
    </ul>
  </div>
  <hr>
  <ul class="right-menu-content">
    <li id="right-menu-theme" class="right-menu-item" onclick="acrylic.switchDarkMode()">
      <a title="">
        <i class="fas"></i>
        <span></span>
      </a>
    </li>
    <li id="right-menu-comment" class="right-menu-item" onclick="acrylic.toComment()">
      <a title="直达评论">
        <i class="fas fa-message"></i>
        <span>直达评论</span>
      </a>
    </li>
  </ul>
</div>

在 themes/Acrylic/layout/layout.ejs 中引入，需在引入 partial/body 之前引入

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<% if(theme.rightMenu){ %>
    <%- partial('partial/rightMenu', {cache: true}) %>
<% } %>
<%- partial('partial/body', {cache: true}) %>

菜单样式

在 themes/Acrylic/source/css 文件夹下新建 right-menu.css，代码如下👇

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#right-menu {
  position: fixed;
  z-index: 999999;
  user-select: none;
  background: var(--ruins-card-bg);
  box-shadow: var(--ruins-shadow-main);
  border: var(--style-border);
  max-width: 240px;
  overflow: hidden;
  border-radius: 6px;
  padding: 0.35rem 0;
  transition: 0.3s;
}

#right-menu:hover {
  border: var(--style-border-hover);
  box-shadow: var(--ruins-shadow-theme);
}

#right-menu .right-menu-nav {
  display: flex;
  justify-content: space-between;
  text-align: center;
  line-height: 32px;
  margin: 0 0.35rem;
  transition: 0.3s;
}

#right-menu .right-menu-nav-item {
  width: 32px;
  height: 32px;
  margin: 0;
  padding: 0;
  overflow: hidden;
  border-radius: 50%;
  margin: 0 0.1rem;
  transition: 0.3s;
}

#right-menu .right-menu-nav-item > a {
  cursor: pointer;
  transition: 0.3s;
}

#right-menu .right-menu-nav-item:hover {
  background-color: var(--ruins-main);
  box-shadow: var(--ruins-shadow-main);
}

#right-menu .right-menu-nav-item:hover a {
  color: var(--ruins-white);
}

#right-menu hr {
  margin: 8px auto;
}

#right-menu .right-menu-content {
  margin: 0 0.35px;
  transition: 0.3s;
}

#right-menu .right-menu-item {
  margin: 0.35rem;
}

#right-menu .right-menu-item > a {
  display: block;
  width: 100%;
  border-radius: 8px;
  transition: 0.3s;
  padding: 0.25rem;
  cursor: pointer;
}

#right-menu .right-menu-item:hover > a {
  color: var(--ruins-white);
  background-color: var(--ruins-main);
  box-shadow: var(--ruins-shadow-main);
}

#right-menu .right-menu-item > a i {
  text-align: center;
  width: 32px;
}

在 themes/Acrylic/layout/partial/head.ejs 中引入

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<% if (theme.rightMenu){ %>
    <link rel="stylesheet" href="/css/right-menu.css">
<% } %>

菜单逻辑

在 themes/Acrylic/source/js 文件夹下新建 rightMenu.js，代码如下👇

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const node = document.querySelector("#right-menu");
const rightMenuImg = document.querySelector("#right-menu-img");
const imgCopy = document.querySelector("#img-copy");
const imgCopyLink = document.querySelector("#img-copy-link");
const imgView = document.querySelector("#img-view");
const imgSearch = document.querySelector("#img-google-search");
const rightMenuPost = document.querySelector("#right-menu-post");
const comment = document.querySelector("#post-comment");
const rightMenuComment = document.querySelector("#right-menu-comment");
const rightMenuLink = document.querySelector("#right-menu-link");
const jumpLink = document.querySelector("#jump-link");
const copyLink = document.querySelector("#copy-link");
let imgSrc = "";
let linkHref = "";

function initRightMenu() {
  document.oncontextmenu = function (e) {
    const event = e || window.event;
    const tagName = event.target.localName;
    const pageWidth = window.innerWidth;
    const pageHeight = window.innerHeight;
    const x = event.clientX;
    const y = event.clientY;

    show(tagName, event);

    const menuWidth = node.offsetWidth;
    const menuHeight = node.offsetHeight;

    node.style = "";
    node.style.left =
      (x < pageWidth - menuWidth * 2 ? x : x - menuWidth) + "px";
    node.style.top = (y < pageHeight - menuHeight ? y : y - menuHeight) + "px";
    node.style.display = "block";
    return false;
  };

  document.onclick = function (e) {
    if (e.target.id != "right-menu") {
      node.style = "";
    }
  };
}

function show(tagName, event) {
  initTheme();
  switch (tagName) {
    case "img":
      imgSrc = event.target.currentSrc;
      showImg();
      break;
    case "a":
      linkHref = event.target.href;
      showLink();
      break;
    default:
      showPost();
      break;
  }

  addRightMenuClickEvent();
}

function initTheme() {
  const themeData = sessionStorage.getItem("theme");
  const themeTitle = document.querySelector("#right-menu-theme>a");
  const themeIcon = document.querySelector("#right-menu-theme>a>i");
  const themeText = document.querySelector("#right-menu-theme>a>span");
  if (themeData === "light") {
    themeIcon.classList.remove("fa-sun");
    themeIcon.className += " fa-moon";
    themeTitle.setAttribute("title", "切换黑暗模式");
    themeText.innerHTML = "黑暗模式";
  } else {
    themeIcon.classList.remove("fa-moon");
    themeIcon.className += " fa-sun";
    themeTitle.setAttribute("title", "切换明亮模式");
    themeText.innerHTML = "明亮模式";
  }
}

function showImg() {
  rightMenuImg.style.display = "block";
  rightMenuPost.style.display = "none";
  rightMenuLink.style.display = "none";
}

function showLink() {
  rightMenuLink.style.display = "block";
  rightMenuImg.style.display = "none";
  rightMenuPost.style.display = "none";
}

function showPost() {
  showComent();
  rightMenuImg.style.display = "none";
  rightMenuPost.style.display = "block";
  rightMenuLink.style.display = "none";
}

function showComent() {
  if (comment) {
    rightMenuComment.style.display = "block";
  } else {
    rightMenuComment.style.display = "none";
  }
}

function addRightMenuClickEvent() {
  imgCopy.addEventListener("click", () => acrylic.copyImage(imgSrc));
  imgCopyLink.addEventListener("click", () => acrylic.copyImageLink(imgSrc));
  imgView.addEventListener("click", () => window.open(imgSrc));
  imgSearch.addEventListener("click", () =>
    window.open(`https://www.google.com.hk/searchbyimage?image_url=${imgSrc}`)
  );
  jumpLink.addEventListener("click", () => window.open(linkHref));
  copyLink.addEventListener("click", () => acrylic.copyLink(linkHref));
}

initRightMenu();

在 themes/Acrylic/layout/partial/body.ejs 中引入

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<% if(theme.rightMenu){ %>
    <script type="text/javascript" src="/js/rightMenu.js"></script>
<% } %>

功能方法

切换黑暗/明亮模式

原有的切换黑暗/明亮模式功能方法需要进行修改，将右键菜单也进行覆盖

代码文件位置：themes/Acrylic/source/js/main.js

将原有的方法代码替换成下面👇的代码

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static switchDarkMode() {
  let rightMenuThemeTitle = document.querySelector("#right-menu-theme>a");
  let rightMenuThemeIcon = document.querySelector("#right-menu-theme>a>i");
  let rightMenuThemeText = document.querySelector("#right-menu-theme>a>span");
  const nowMode = document.documentElement.getAttribute('data-theme') === 'dark' ? 'dark' : 'light'
  if (nowMode === 'light') {
      document.documentElement.setAttribute('data-theme', 'dark')
      sessionStorage.setItem('theme', 'dark')
      utils.snackbarShow(GLOBALCONFIG.lang.theme.dark, false, 2000)
      rightMenuThemeIcon.classList.remove("fa-moon");
      rightMenuThemeIcon.className += " fa-sun";
      rightMenuThemeTitle.setAttribute("title", "切换明亮模式");
      rightMenuThemeText.innerHTML = "明亮模式";
  } else {
      document.documentElement.setAttribute('data-theme', 'light')
      sessionStorage.setItem('theme', 'light')
      utils.snackbarShow(GLOBALCONFIG.lang.theme.light, false, 2000)
      rightMenuThemeIcon.classList.remove("fa-sun");
      rightMenuThemeIcon.className += " fa-moon";
      rightMenuThemeTitle.setAttribute("title", "切换黑暗模式");
      rightMenuThemeText.innerHTML = "黑暗模式";
  }
}

直达评论

新增直达评论功能

代码文件位置：themes/Acrylic/source/js/main.js

代码如下👇

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static toComment() {
  window.scrollTo({
      top: document.getElementById("post-comment").offsetTop,
      left: 0,
      behavior: "smooth",
  });
}

复制图片

新增复制图片功能

复制图片需要将图片转成二进制数据进行处理，所以我们需要先封装图片转二进制方法

代码文件位置：themes/Acrylic/source/js/utils.js

代码如下👇

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imageToBlob: (imageURL) => {
  const img = new Image();
  const c = document.createElement("canvas");
  const ctx = c.getContext("2d");
  img.crossOrigin = "Anonymous";
  img.src = imageURL;
  return new Promise((resolve) => {
    img.onload = function () {
      c.width = this.naturalWidth;
      c.height = this.naturalHeight;
      ctx.drawImage(this, 0, 0);
      c.toBlob(
        (blob) => {
          resolve(blob);
        },
        "image/png",
        0.75
      );
    };
  });
};

代码文件位置：themes/Acrylic/source/js/main.js

代码如下👇

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static async copyImage(imageURL) {
    try {
        const blob = await utils.imageToBlob(imageURL);
        const item = new ClipboardItem({ "image/png": blob });
        navigator.clipboard.write([item]);
        utils.snackbarShow(GLOBALCONFIG.lang.copy.success, false, 2000);
    } catch (err) {
        utils.snackbarShow(GLOBALCONFIG.lang.copy.error, false, 2000);
    }
}

复制链接

新增图片和超链接复制链接的功能

代码文件位置：themes/Acrylic/source/js/main.js

代码如下👇

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static copyImageLink(imageURL) {
    utils.copy(imageURL);
}
static copyLink(herf) {
    utils.copy(herf);
}

文章后期可能会更新