//html5 给typecho添加 复制代码 功能
// by 兔子昂
var codeblocks = document.getElementsByTagName("pre")
//循环每个pre代码块，并添加 复制代码
for (var i = 0; i < codeblocks.length; i++) {
//显示 复制代码 按钮
currentCode = codeblocks[i]
currentCode.style = "position: relative;"
var copy = document.createElement("div")
copy.style = "position: absolute;right: 4px;\
top: 4px;padding: 2px 8px;\
margin: 8px;border-radius: 4px;cursor: pointer;"
copy.innerHTML = ''
currentCode.appendChild(copy)
//让所有 "复制"按钮 全部隐藏
copy.style.visibility = "visible"
}
for (var i = 0; i < codeblocks.length; i++) {
!function (i) {
//执行 复制代码 功能
function copyArticle(event) {
const range = document.createRange();
//范围是 code，不包括刚才创建的div
range.selectNode(codeblocks[i].childNodes[0]);
const selection = window.getSelection();
if (selection.rangeCount > 0) selection.removeAllRanges();
selection.addRange(range);
document.execCommand('copy');
codeblocks[i].childNodes[1].innerHTML = "复制成功"
setTimeout(function () {
codeblocks[i].childNodes[1].innerHTML = ''
}, 1000);
//清除选择区
if (selection.rangeCount > 0) selection.removeAllRanges(); 0
}
codeblocks[i].childNodes[1].addEventListener('click', copyArticle, false);
}(i);
}
function a(a, b, c) {
if (document.selection) a.focus(), sel = document.selection.createRange(), c ? sel.text = b + sel.text + c : sel.text = b, a.focus();
else if (a.selectionStart || "0" == a.selectionStart) {
var l = a.selectionStart,
m = a.selectionEnd,
n = m;
c ? a.value = a.value.substring(0, l) + b + a.value.substring(l, m) + c + a.value.substring(m, a.value.length) : a.value = a.value.substring(0, l) + b + a.value.substring(m, a.value.length);
c ? n += b.length + c.length : n += b.length - m + l;
l == m && c && (n -= c.length);
a.focus();
a.selectionStart = n;
a.selectionEnd = n
} else a.value += b + c, a.focus()
}
var b = (new Date).toLocaleTimeString(),
c = document.getElementById("textarea") || 0;
window.SIMPALED = {};
window.SIMPALED.Editor = {
daka: function() {
a(c, "滴！学生卡！打卡时间：" + b, "，请上车的乘客系好安全带~")
},
zan: function() {
a(c, " 文章写得不错，给你点个赞，继续加油哈！")
},
cai: function() {
a(c, "骚年，我怀疑你写了一篇假的文章！")
}
};