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在 Blogger 背景HTML 编辑器中添加代码美化功能
// ==UserScript==
// @name Blogger HTML Editor Code Prettify 添加器
// @namespace http://tampermonkey.net/
// @version 0.1
// @description 在 Blogger 背景HTML 编辑器中添加代码美化功能
// @author moran：http://blog.7998888.xyz/
// @match https://www.blogger.com/blog/themes/*
// @grant none
// @license MIT
// ==/UserScript==
(function() {
'use strict';
// 创建一个按钮，用于插入代码
const button = document.createElement('button');
button.textContent = '插入 Code Prettify';
button.style.position = 'fixed';
button.style.top = '50px'; // 调整到顶部50px
button.style.right = '10px';
button.style.zIndex = '9999';
button.style.padding = '8px 16px';
button.style.backgroundColor = '#2196F3'; // 改为蓝色
button.style.color = 'white';
button.style.border = 'none';
button.style.borderRadius = '4px';
button.style.cursor = 'pointer';
// 要插入的 HTML 代码
const codeToInsert = `<!-- Code Prettify Resources -->
<script src='https://cdn.jsdelivr.net/gh/google/code-prettify@master/loader/run_prettify.js'></script>
<link href='https://cdn.jsdelivr.net/gh/google/code-prettify@master/styles/sunburst.css' rel='stylesheet' />
<style type='text/css'>
.copy-code-button {
background-color: #f1f1f1;
border: 1px solid #ccc;
border-radius: 4px;
color: #333;
cursor: pointer;
font-size: 12px;
margin: 5px 0 0;
padding: 3px 8px;
position: absolute;
right: 10px;
top: 10px;
}
.copy-code-button:hover {
background-color: #ddd;
}
.prettyprint {
position: relative;
padding: 20px 10px 10px;
}</style>`;
const scriptToInsert = `<script>
document.addEventListener('DOMContentLoaded', function() {
var prettyPrintBlocks = document.querySelectorAll('.prettyprint');
prettyPrintBlocks.forEach(function(block) {
// 为每个代码块添加复制按钮
var copyButton = document.createElement('button');
copyButton.className = 'copy-code-button';
copyButton.textContent = '复制代码';
block.appendChild(copyButton);
});
var copyButtons = document.querySelectorAll('.prettyprint .copy-code-button');
copyButtons.forEach(function(button) {
button.addEventListener('click', function() {
var codeBlock = this.parentNode.querySelector('code');
var codeText = codeBlock.textContent;
var textarea = document.createElement('textarea');
textarea.value = codeText;
textarea.setAttribute('readonly', '');
textarea.style.position = 'absolute';
textarea.style.left = '-9999px';
document.body.appendChild(textarea);
textarea.select();
document.execCommand('copy');
document.body.removeChild(textarea);
var originalText = this.textContent;
this.textContent = '已复制!';
setTimeout(function() {
button.textContent = originalText;
}, 2000);
});
});
});</script>`;
// 监听HTML编辑器的出现
const observer = new MutationObserver(function(mutations) {
mutations.forEach(function(mutation) {
if (document.querySelector('.CodeMirror')) {
observer.disconnect();
document.body.appendChild(button);
}
});
});
observer.observe(document.body, {
childList: true,
subtree: true
});
// 按钮点击事件
button.addEventListener('click', function() {
const editor = document.querySelector('.CodeMirror').CodeMirror;
if (editor) {
const currentContent = editor.getValue();
// 检查是否已经插入了代码
if (currentContent.includes('code-prettify@master')) {
alert('代码已经插入过了！');
return;
}
// 找到合适的插入位置
let headStart = currentContent.indexOf('<head>');
let headEnd = currentContent.indexOf('</head>');
if (headStart === -1 || headEnd === -1) {
alert('未找到 head 标签，请检查 HTML 结构');
return;
}
// 在head标签内的最后插入代码
let newContent = currentContent.slice(0, headEnd) +
'\n' + codeToInsert + '\n' +
currentContent.slice(headEnd);
// 在</body>前插入复制功能脚本
newContent = newContent.replace('</body>', scriptToInsert + '\n</body>');
// 更新编辑器内容
editor.setValue(newContent);
// 提示成功
alert('代码已成功插入！');
} else {
alert('未找到编辑器！请确保你在HTML编辑模式。');
}
});
})();