可編輯 DIV 相容 chrome,ie9-10,ie11改進
只為了相容一個IE11
,兩天兩夜沒怎麼睡覺
,一邊看著武則天祕史
,足足看了45集,
終於做出來了
,誰設計的IE11,為什麼要改了改去,range,selection,documnent,getSelection(),w3c,js
,jquery1.4.1,IE11,不說了,程式碼奉上,感謝原作者ahjesus,不多說了,還有8集呢.
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<!--<meta http-equiv="X-UA-Compatible" content="IE=9" /> -->
<head>
<title>js獲取div編輯框，textarea，input text的游標位置，相容FF和IE</title>
<script src="C:/js/jquery-1.4.1.js" type="text/javascript"></script>
<!-- <script src="C:/js/jquery-1.10.2.min.js" type="text/javascript"></script> -->
<script type="text/javascript">
var pos=0;//游標初始位置
//去除左右所有空格
String.prototype.trim = function () {
return this.replace(/(^\s*)|(\s*$)/g, "");
}
function getPosition(element) {
debugger;
var OsObject = "";
if (navigator.userAgent.indexOf("MSIE") > 0) {
OsObject = "MSIE";
}
if (navigator.userAgent.indexOf("Firefox") > 0) {
OsObject = "Firefox";
}
if (navigator.userAgent.indexOf("Safari") > 0) {
OsObject = "Safari";
}
if (navigator.userAgent.indexOf("Camino") > 0) {
OsObject = "Camino";
}
//if (navigator.userAgent.indexOf("Gecko") > 0) {
// OsObject = "Gecko";
// }
if (navigator.userAgent.indexOf("Chrome") > 0) {
OsObject = "Chrome";
}
var result = 0;
if (!document.selection ) { //非IE瀏覽器 IE11不支援document.selection
if (Object.hasOwnProperty.call(window, "ActiveXObject") && !window.ActiveXObject) { // is IE11 wulongfei 2015-1120--2015-1122
var rng;
if ($(element).attr("tagName") == "TEXTAREA" || ($(element).attr("tagName") == "INPUT" && $(element).attr("type") == "text") || ($(element).attr("tagName") == "DIV" && $(element).attr("contenteditable") == "true")) {
element.focus();
var anchorNodeProp = window.getSelection().anchorNode; //當前節點
var currentIndex = window.getSelection().anchorOffset;//2015-11-20 ie11
var selectionnode = window.getSelection().focusNode;////測試
var selection = window.getSelection().focusOffset;//測試
var range2=document.getSelection().getRangeAt(0);//測試
var isEnd=range2.endContainer.parentNode.nextSibling;
var preNode=anchorNodeProp.previousSibling;//前一個節點//測試
var parentNode=anchorNodeProp.parentNode;//父節點//測試
var anchlist=parentNode.childNodes;//測試
//console.log(window.getSelection().anchorNode.textContent);
// console.log(window.getSelection().anchorNode.parentNode.textContent);
// console.log($(element).text());
//if(isEnd==null){
// result=$(element).text().length;
// } else if (window.getSelection().anchorNode.textContent == $(element).text()) {//普通文字 點選在末尾
//result = window.getSelection().anchorOffset;//廢棄
// result=window.getSelection().anchorNode.parentNode.textContent.length;
// }else{
//var anchorNodeProp = window.getSelection().anchorNode; //當前節點
var range=document.getSelection().getRangeAt(0);
// var preNodeste=range.commonAncestorContainer.parentNode.previousSibling.wholeTest;
var txt = "";
// var txtoo = window.getSelection().anchorNode.previousSibling;
//var txtoo = range.startContainer.parentNode.previousSibling;//測試 有span
var txtoo = range.startContainer.previousSibling;
// var txtoo2 = range.endContainer.previousSibling;//測試
var txt3 = "";//測試
var txtoo3 = range.endContainer.parentNode.previousSibling;//測試
// console.log(txtoo.textContent);
// console.log(txtoo2.textContent);
debugger;
//var txtoo=window.getSelection().focusNode.parentNode.previousSibling;//
while (txtoo != null) {
txt += txtoo.textContent;
txtoo = txtoo.previousSibling;
//txtoo3 = txtoo3.previousSibling;//測試
}
console.log(range.endContainer.parentNode.nodeName);
var t3nodeName=range.endContainer.parentNode.nodeName;
while (txtoo3 != null&&t3nodeName!='DIV') {
txt3 += txtoo3.textContent;
txtoo3 = txtoo3.previousSibling;
//txtoo3 = txtoo3.previousSibling;//測試
}
debugger;//測試
if(t3nodeName!='DIV'){
result=txt3.length+currentIndex;//測試
}else{
result=txt.length+currentIndex;//測試
}
// result = txt.length + currentIndex;//2015-11-20 ie11相容
// }
}else {
return 0;
}
}
else{//非ie11 // is IE11 wulongfei 2015-1120--2015-1122
var thisTagName = null;
if ($(element).attr("tagName") != "TEXTAREA" && $(element).attr("tagName") != "INPUT") {
if ($(element).attr("tagName") == "DIV" && $(element).attr("contenteditable") == "true") {
thisTagName = window.getSelection().anchorNode.parentElement.tagName;
} //出自http://www.cnblogs.com/ahjesus 尊重作者辛苦勞動成果，轉載請註明出處，謝謝！
else {
thisTagName == null;
}
}
else {
if ($(element).attr("tagName") == "INPUT" && $(element).attr("type") == "text") {
thisTagName = window.getSelection().anchorNode.tagName;
}
else {
console.log(window.getSelection());
thisTagName = window.getSelection().anchorNode.tagName;
}
}
console.log(thisTagName);
if (thisTagName == "TEXTAREA" || thisTagName == "INPUT" || (thisTagName=="BODY"&&OsObject == "Chrome")) {
result = element.selectionStart
} //出自http://www.cnblogs.com/ahjesus 尊重作者辛苦勞動成果，轉載請註明出處，謝謝！
else if (thisTagName != null) {
if (thisTagName == element.tagName) {
if (window.getSelection().anchorNode.textContent == $(element).text()) {
result = window.getSelection().anchorOffset;
}
else {
var currentIndex = window.getSelection().anchorOffset;
var txt = "";
var txtoo = window.getSelection().anchorNode.previousSibling;
while (txtoo != null) {
txt += txtoo.textContent;
txtoo = txtoo.previousSibling;
} //出自http://www.cnblogs.com/ahjesus 尊重作者辛苦勞動成果，轉載請註明出處，謝謝！
result = txt.length + currentIndex;
}
}
else {
var currentIndex = window.getSelection().anchorOffset;
var txt = "";
var txtoo = window.getSelection().anchorNode.parentElement.previousSibling;
while (txtoo != null) {
txt += txtoo.textContent;
txtoo = txtoo.previousSibling;
}
result = txt.length + currentIndex;
}
} //出自http://www.cnblogs.com/ahjesus 尊重作者辛苦勞動成果，轉載請註明出處，謝謝！
else {
return 0;
}
}//非ie11
} else { //IE
var rng;
if ($(element).attr("tagName") == "TEXTAREA" || ($(element).attr("tagName") == "INPUT" && $(element).attr("type") == "text") || ($(element).attr("tagName") == "DIV" && $(element).attr("contenteditable") == "true")) {
element.focus();
rng = document.selection.createRange();
//rng = window.getSelection();
rng.moveStart('character', -element.innerText.length);
var text = rng.text;
for (var i = 0; i < element.innerText.length; i++) {
if (element.innerText.substring(0, i + 1) == text.substring(text.length - i - 1, text.length)) {
result = i + 1;
}
}
} //出自http://www.cnblogs.com/ahjesus 尊重作者辛苦勞動成果，轉載請註明出處，謝謝！
else {
return 0;
}
}
return result;
}
function getValue(aaa) {//獲得游標位置
pos = getPosition(aaa);
//alert(pos);
document.getElementById("pnum").value = pos;
}
function changeSelectVer(aaa,value){
debugger;
// var value2="<span style='color:red;'>"+"${"+value+"}"+"</span>";
var value2="${"+value+"}";
//alert(value2);
var str1=$("#Div1").text();//獲取簡訊腳本里的文字 不包括標籤
//alert(str1);
var fx1=str1.substring(0,pos);
var fx2=str1.substring(pos,str1.length);
var str2=fx1+value2+fx2;
//alert(str2);
console.log(str2);
var str3='';
if(str2.indexOf("$")>=0){
//1.根據$進行分割
var stringarray=[];
stringarray=str2.split("$");
for(var j=0;j<stringarray.length;j++){
// alert(stringarray[j]);
//2.進行正則替換
var reg1=new RegExp(/[\({][a-zA-Z]*[\})]/);
var strg1=stringarray[j];
var ms=strg1.match(reg1);
var we="<span style='color:red;'>"+"$"+ms+"</span>";
var strg2=strg1.replace(ms,we);
str3=str3+strg2;
}
// alert(str2.length);//z作為文字長度記錄 不包括$
//alert(reg1.test(str2));
//match=reg1.exec(str2);
// var reg1=new RegExp(/[\({][a-zA-Z]*[\})]/ig); //ig表示採集陣列
//var arrMactches =[];
// arrMactches = str2.match(reg1);
//for (var i=0;i < arrMactches.length;i++){
//alert(arrMactches[i]);
// var ms=arrMactches[i];
// var we="<span style='color:red;'>"+ms+"</span>";
// str2=str2.replace(ms,we);
// }
}
//alert(str2);
$("#Div1").html(str3);
$("#myVerStr").val('');
}
</script>
<style type="text/css">
#Div1, #Div2
{
width: 500px;
height: 100px;
border: solid 1px black;
}
</style>
</head>
<body>
<input id="pnum" type="text" value="Hello,wellcome to test! 你好,歡迎測試!" onmouseup="getValue(this)"
style="display: block" />
<div style='width:400px;height:100px'>
<select id='myVerStr' name='verstr' onchange="changeSelectVer(this,this.value)" style="width:100%;height:20%;">
<option value="">請單擊新增</option>
<option value="Name">姓名Name</option>
<option value="Age">年齡Age</option>
<option value="Amount">金額Amount</option>
<option value="Per">次數Per</option>
</select>
</div>
<div id="Div1" onclick="getValue(this);" onkeyup="getValue(this);" contenteditable="true" style="word-break:break-all;width:600px;height:200px;">一二三<span>四五</span>六七八<span>九零</span> 注意原始碼開閉合標記之間不能換行，否則統計錯誤！注意div編輯框原始碼裡面是巢狀有其他標籤的，可以正常返回正確位置！</div>
<br />
<!--<div id="Div2" onclick="getValue(this);" onkeyup="getValue(this);">一二三四五六<span>七八</span></div>-->
</body>
</html>