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popup.js
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let content1 = '';
let content2 = '';
let selecting = false; // 选择进行中的标志
// 引入语言
let lang = navigator.language.startsWith('zh') ? 'zh' : 'en';
let translations = {};
// 加载语言文件
fetch(`locales/${lang}.json`)
.then(response => response.json())
.then(data => {
translations = data;
applyTranslations();
});
// 应用国际化文本
function applyTranslations() {
document.querySelector('h1').textContent = translations.title;
document.getElementById('selectContent1').textContent = translations.selectContent1;
document.getElementById('selectContent2').textContent = translations.selectContent2;
document.getElementById('clearContent').textContent = translations.clearContent;
document.getElementById('compareContent').textContent = translations.compareContent;
}
// 初始化内容
chrome.storage.local.get(['selectedElement1', 'selectedElement2'], function (result) {
content1 = result.selectedElement1 || '';
content2 = result.selectedElement2 || '';
updateButtonColors();
});
// 选择内容1
document.getElementById('selectContent1').onclick = function () {
selectContent('content1', 'selectContent1');
};
// 选择内容2
document.getElementById('selectContent2').onclick = function () {
selectContent('content2', 'selectContent2');
};
// 执行选择内容的函数
function selectContent(contentType, buttonId) {
if (selecting) return; // 避免重复选择
selecting = true;
const button = document.getElementById(buttonId);
button.disabled = true; // 禁用按钮
button.style.backgroundColor = '#d3d3d3'; // 置灰效果
chrome.tabs.query({ active: true, currentWindow: true }, function (tabs) {
chrome.scripting.executeScript({
target: { tabId: tabs[0].id },
files: ['content.js']
}, () => {
chrome.tabs.sendMessage(tabs[0].id, { action: 'startSelect', contentType });
});
});
}
// 清除内容按钮事件
document.getElementById('clearContent').onclick = function () {
content1 = '';
content2 = '';
selecting = false; // 重置选择标志
chrome.storage.local.remove(['selectedElement1', 'selectedElement2'], () => {
resetButtonColors();
alert('内容已清除');
});
};
// 重置按钮颜色
function resetButtonColors() {
selecting = false; // 允许再次选择
document.getElementById('selectContent1').disabled = false; // 启用按钮
document.getElementById('selectContent1').style.backgroundColor = 'green';
document.getElementById('selectContent2').disabled = false; // 启用按钮
document.getElementById('selectContent2').style.backgroundColor = 'green';
}
// 更新按钮颜色
function updateButtonColors() {
if (content1) {
document.getElementById('selectContent1').style.backgroundColor = 'blue';
document.getElementById('selectContent1').disabled = false; // 启用按钮
}
if (content2) {
document.getElementById('selectContent2').style.backgroundColor = 'blue';
document.getElementById('selectContent2').disabled = false; // 启用按钮
}
}
// 对比内容按钮事件
document.getElementById('compareContent').onclick = function () {
if (!content1 || !content2) {
alert("请先选择两个内容进行对比！");
return;
}
let diffHtml = new HtmlDiff();
let { oldDiffHtml, newDiffHtml } = diffHtml.diff_launch(content1.html, content2.html);
showComparisonPopup(oldDiffHtml, newDiffHtml);
};
// 显示对比结果的弹窗
function showComparisonPopup(oldDiffHtml, newDiffHtml) {
const comparisonWindow = window.open("", "Comparison", "width=800,height=600");
comparisonWindow.document.body.innerHTML = '';
comparisonWindow.document.write(`
<html lang="${lang}">
<head>
<title>${translations.comparisonTitle}</title>
<style>
body {
font-family: Arial, sans-serif;
background-color: #ffffff;
color: #333;
margin: 20px;
}
h2 {
text-align: center;
}
table {
width: 100%;
border-collapse: collapse;
margin-top: 20px;
font-size: 14px;
}
th, td {
border: 1px solid #ddd;
padding: 12px;
text-align: left;
}
th {
background-color: #f2f2f2;
color: #333;
}
ins {
background-color: #e6ffe6;
color: green;
}
del {
background-color: #ffe6e6;
color: red;
}
</style>
</head>
<body>
<h2>${translations.comparisonTitle}</h2>
<table>
<thead>
<tr>
<th>${translations.selectContent1}</th>
<th>${translations.selectContent2}</th>
</tr>
</thead>
<tbody>
<tr>
<td>${oldDiffHtml}</td>
<td>${newDiffHtml}</td>
</tr>
</tbody>
</table>
</body>
</html>
`);
}