QQ邮箱的一个文本编辑器代码

日期：2020-06-13 栏目：程序人生浏览：次

edt_main.js

复制代码代码如下:

//html输出
function output(dat,templ,b)
{
    for(var i=0;i<dat.length;i++)
    {
      var d = dat[i];
      if(d.join)
      {
        for(var j=0;j<d.length;j++)
          if (templ[j*2+1])
            templ[j*2+1] = d[j];
        if(b) alert(templ.join(""));
        document.write(templ.join(""));
      }
      else document.write(d);
    }
}
//B I U
var commFunc = " onmousedown=OnTBMouseDown(this) onmouseover=OnTBMouseOver(this) onmouseout=OnTBMouseOut(this) ";
var commAttr = ' style="position:absolute;clip:rect($rect$);margin:$margin$;" title="$title$" ';
var commHead = ' <img src="./images/editoricon.gif" '+ commAttr;
var commHeadMask = ' <img src="./images/editoricon_mask.gif" ' + commAttr;
var sComm = commHead + commFunc;

//模块结构: 1.基础函数 2.接口定义 3.事件函数 4.HTML编辑框 5.全局事件绑定 6.全局变量声明
//基础函数
function GetDoc(win){ return (win?win:window).document;}
function S(i,win) {return GetDoc(win).getElementById(i);}
function F(sID,win) //sunny for firefox
{
    if( sID == "" || sID == null ) return null;
    var frame = S(sID,win);
    if( !frame) return null;
    return frame.contentWindow?frame.contentWindow:(win?win:window).frames[sID];
}
function Disp(obj,flag) // 0 隐藏,1显示
{
    if(obj){ obj.style.display = flag?"":"none";}
}
function getPosX(e)
{
    var l=e.offsetLeft;
    while(e=e.offsetParent){
        l+=e.offsetLeft;
    }
    return l;
}
function getPosY(e)
{
    var t=e.offsetTop;
    while(e=e.offsetParent){
        t+=e.offsetTop;
    }
    return t;
}
String.prototype.trim = function(){
    return this.replace(/(^\s*)|(\s*$)/g, "");
};

function ExecCmd(type, para){
    LoadPos();
    var f = F("HtmlEditor");
    var sAlert = "";
    if(!gIsIE)
    {
        switch(type){
            case "Cut":
                sAlert = "你的浏览器安全设置不允许编辑器自动执行剪切操作,请使用键盘快捷键(Ctrl+X)来完成";
                break;
            case "Copy":
                sAlert = "你的浏览器安全设置不允许编辑器自动执行拷贝操作,请使用键盘快捷键(Ctrl+C)来完成";
                break;
            case "Paste":
                sAlert = "你的浏览器安全设置不允许编辑器自动执行粘贴操作,请使用键盘快捷键(Ctrl+V)来完成";
                break;
        }
    }
    if(sAlert != ""){
        alert(sAlert);
        return;
    }
    f.focus();
    var doc = f.document;
    if(!para)
    {
        gIsIE?doc.execCommand(type):doc.execCommand(type,false,false);
    }
    else
    {
        //为了图片插入后把焦点放到图片后面
        if (type == "InsertImage" && gIsIE) {
            var r = doc.selection.createRange();
        }

        doc.execCommand(type,false,para);

        //为了图片插入后把焦点放到图片后面
        if (type == "InsertImage" && gIsIE) {
            r.move("character");
            r.select();
        }
    }
    f.focus();
}
function IsValidURL(str)
{
    return ( ( str.indexOf("://") > 1 ) || (str.indexOf(":\\") > 1) );
}
function addHyperLink() {
    var f = F("HtmlEditor");
    //哈哈,终于找到兼容mf噶方法
    var sel = f.document.selection != null ? f.document.selection.createRange().text : f.document.getSelection();
    if(sel.length>0)
    {
        var sURL=window.prompt("请输入链接的目标地址 (    e.g. ):", "http://");
        if(sURL != null)
        {
            if( !IsValidURL(sURL))
            {
                sURL= "http://" + sURL;
            }
            F("HtmlEditor").document.execCommand("CreateLink",false,sURL);
        }
    }
    else
    {
        alert("请先选择要连接的文字。");
    }
}
function addImage()
{
    var width="380px", height="150px";
    //modify by angusdu 2006-10-13
    //showModalDialog("uploadImg.htm", window, vfeature);
    var url = "uploadImg.htm";
    if(gIsIE)//IE
    {
        window.showModalDialog(url,window,"dialogWidth:" + width + ";dialogHeight:" + height + ";center:Yes;help:off;status:no;scroll:no");
    }
    else
    {
        window.open(url,window,"width="+width+",height="+height+",menubar=no,toolbar=no,location=no,scrollbars=no,status=no,modal=yes");
    }
}
function getIEVer(){
    var s = navigator.userAgent;
    if(s.indexOf("MSIE")>-1)
        return parseFloat(s.split(";")[1].replace("MSIE",""));
}
//接口定义
function editor()
{
this.get_contents = GetContents;
this.get_plaincontents = GetPlainContents;
this.put_contents = PutContents;
this.put_plaincontents = PutPlainContents;
this.put_firstline = PutFirstLine;
}
function PutFirstLine(s)
{
    return;
}
function GetContents() {
    if (curEditor == "source")
        return S("sourceEditor").value;
    return HtmlEditor.document.body.innerHTML;
}
function GetPlainContents() {
    //modify by angusdu 2006-10-11
    var bc = HtmlEditor.document.body;
    if (curEditor == "source")
        bc.innerHTML = S("sourceEditor").value;
    if (bc.innerText != null) {
        return bc.innerText;
    }
    else {
        return bc.textContent;
    }
}
function PutContents(contents)
{
    HtmlEditor.document.designMode="on";
    HtmlEditor.document.body.innerHTML = contents;
    SetDiv();
    S("sourceEditor").value = HtmlEditor.document.body.innerHTML;
}

function PutPlainContents(contents)
{
    HtmlEditor.document.designMode="on";
    //modify by angusdu 2006-10-12
    var bc = HtmlEditor.document.body;
    if (bc.innerText != null) {
        bc.innerText = contents;
    }
    else {
        bc.textContent = contents;
    }
    S("sourceEditor").value = HtmlEditor.document.body.innerHTML;
}
//==========
//事件函数
function OnLoad() {
    try
    {
        if( !window.top.isFireFox)
        {
            F("HtmlEditor").document.designMode="on";
        }
        gLoaded = true;
        SetEditable();
        SetFrameClick();
        document.parentWindow.onclick=HideMenu();
    }catch(e){
    }
    setTimeout(SetColor,100); //--sunny 一开始就画颜色表,那么第一次就不会慢了
}
var editorTxtRange = null;
function SavePos() {
    if (document.selection) {
        editorTxtRange = F("HtmlEditor").document.selection.createRange();
    }
}
function LoadPos() {
    if (editorTxtRange) {
        editorTxtRange.select();
        editorTxtRange = null;
    }
}
// sunny : foreColor与backColor只是负责弹出ColorBoard,不需要ExecCmd (此时ExecCmd会导致白色)
function OnForeColor(e) {
    SavePos();
    HideMenu();
    var sColor = DispColorBrd(e);
    gSetColorType = "foreColor";
    if(gIsIE && gIEVer < 6)
    {
        ExecCmd(gSetColorType, sColor);
    }
    return ;
}
function OnBackColor(e){
    SavePos();
    HideMenu();
    var sColor = DispColorBrd(e,1);
    gSetColorType = (gIsIE)?"backColor":"hilitecolor";
    if(gIsIE && gIEVer < 6)
    {
        ExecCmd(gSetColorType, sColor);
    }
    return
}

function OnMo(e) {
    SavePos();
    HideMenu();
    var sMo = DispMoBrd(e);
    if(gIsIE && gIEVer < 6 && sMo != null)
    {
        ExecCmd("InsertImage",sMo);
    }
    return ;
}
function OnTBMouseOver(obj) {
    SetBorderMouse(obj,0);
}
function OnTBMouseDown(obj) {
    SetBorderMouse(obj,1);
}
function OnTBMouseOut(obj) {
    obj.style.border="none";
}
//HTML编辑框
function SetEditable(){
    var doc = window.frames["HtmlEditor"].document;
    doc.designMode="on";
    if(!gIsIE) {
        // angus:难怪，察看ff的文档发现，如此说明： use false to use CSS, true to use HTML
        doc.execCommand("useCSS",false, false);
    }
}
function SetFrameClick(){
    var frm = window.frames["HtmlEditor"];
    var doc = frm.document;
    doc.onmousemove = function(){
        window.onblur();
    };
    doc.onclick = function(){
        //alert("aa")
        HideMenu();
    };
    doc.onkeydown = function()
    {
        if(frm.event.keyCode == 13 && frm.event.ctrlKey)
        {
            if(parent.DoCtrlEnter) parent.DoCtrlEnter();
        }
        //top.frames["jsFrame"].gIsEdited = true;
    };
}
function SetDiv()
{

    var loc = "" + window.parent.location;
    if(loc.indexOf("setting") > 0)
    {
        Disp(document.getElementById("add_pic_id"),0);
/*        removed by angusdu 2006-11-17
        if( !/^<DIV> <\/DIV>/.test(HtmlEditor.document.body.innerHTML))
        {
            HtmlEditor.document.body.innerHTML = HtmlEditor.document.body.innerHTML+"<DIV> </DIV>";
        }
*/        S("HtmlEditor").style.height = gIsIE ? "182px" : "188px";
        S("sourceEditor").style.height = "184px";
        S("sourceEditor").style.width = "100%";
        S("htmlbtn").style.marginLeft = "393px";
    }
    else if (loc.indexOf("compose_card") > 0)
    {
        Disp(document.getElementById("add_pic_id"),0);
        S("HtmlEditor").style.height = "181px";
        S("sourceEditor").style.height = "183px";
        S("sourceEditor").style.width = "100%";
    }
    else if(loc.indexOf("compose") > 0)
    {
        if(GetSetting())
        {
            if( HtmlEditor.document.getElementById("QQMail_signature") )
            {
                HtmlEditor.document.getElementById("QQMail_signature").innerHTML = GetSetting().nSignature;
            }

        }
    }

    var doc = F("HtmlEditor").document;
    doc.designMode="on";

    //    HtmlEditor.document.body.innerHTML="<DIV> </DIV>"+HtmlEditor.document.body.innerHTML;
    if(doc.body)
    {
        doc.body.style.background = '#ffffff';
        doc.body.style.fontSize = '12px';
        doc.body.style.fontFamily = 'verdana';
        try
        {
            if( HtmlEditor.document.body.innerHTML.indexOf("<QQMAILSTATIONERY>") > -1)
            {
                doc.body.style.margin = '0.5% 0 0 0';
                doc.body.style.background = '#fff';
                doc.body.style.fontSize = '12px';
                return;
            }

        }catch(e)
        {}
        doc.body.style.margin = '4px';
    }
}
function SetColor(){
    var dvForeColor =S("dvForeColor");
    if(dvForeColor.getElementsByTagName("TABLE").length == 1){
        dvForeColor.innerHTML = paintCube();//+ dvForeColor.innerHTML;
        //window.top.document.write(dvForeColor.innerHTML);
    }
}
function SetMo(){
    var dvMo =S("dvMo");
    dvMo.innerHTML = moCube();
}
//工具栏
//add by angusdu 2006-10-13
function showDialog(url, type, feature)
{
    if(gIsIE)//IE
    {
        return window.showModalDialog(url,type,feature);
    }
    else
    {
        //modelessDialog可以将modal换成dialog=yes
        feature   ="width=300,height=200,menubar=no,toolbar=no,location=no,";
        feature+="scrollbars=no,status=no,modal=yes";
        window.open(url,type,feature);
    }
}
function DispColorBrd(e,isBC){
    if(gIEVer<6 && gIsIE){
        var arr = showModalDialog("color_slt.html", "", "font-family:Verdana; font-size:12; status:no; dialogWidth:17em; dialogHeight:14em");
        if (arr != null) return arr;
        return;
    }
    var dvForeColor =S("dvForeColor");
    SetColor();
    Disp(dvForeColor,1);
    dvForeColor.style.left = (isBC?bcL:fcL) + "px";
    dvForeColor.style.top = 33 + "px";
    dvForeColor.focus();
    e.cancelBubble =true;
    return true;
}
function DispMoBrd(e) {
    if(gIEVer<6 && gIsIE){
        var arr = showModalDialog("mo_slt.html", "", "font-family:Verdana; font-size:12; status:no; dialogWidth:265px; dialogHeight:190px");
        if (arr != null) return arr;
        return;
    }
    var dvMo =S("dvMo");
    SetMo();
    Disp(dvMo, 1);
    dvMo.focus();
    e.cancelBubble =true;
    return true;
}
function CommCheck(obj,str,func)
{
    if (obj.id == str) {
        return true;
    }
    if(obj.parentNode) {
        return func(obj.parentNode);
    }
    return false;
}
function CommObjectCheck(obj, inObj)
{
    if (obj == inObj)
    {
        return true;
    }
    if(obj.parentNode) {
        return CommObjectCheck(obj.parentNode, inObj);
    }
    return false;
}
function HideMenu()
{
    var elementTable=["fontface","fontsize","dvForeColor","dvPortrait","divAlign","divList","dvMo"];
    for(var i=0;i<elementTable.length;i++)
      Disp(S(elementTable[i]),0);
}
function IsInColorBrd(obj){
    return CommCheck(obj,"dvForeColor",IsInColorBrd);
}
function IsInFontFaceBrd(obj){
    return CommCheck(obj,"fontface",IsInFontFaceBrd);
}
function IsInFontSizeBrd(obj){
    return CommCheck(obj,"fontsize",IsInFontSizeBrd);
}
function IsInMoBrd(obj){
    return CommCheck(obj,"dvMo",IsInMoBrd);
}
function SetBorderMouse(obj,flag) // flag : 0 over 1 out
{
    var d = [
     ["1px solid #fff","1px solid #fff","1px solid #F3F8FC","1px solid #F3F8FC"]
    ,["1px solid #ccc","1px solid #ccc","1px solid #F3F8FC","1px solid #ccc"]][flag];
    obj.style.borderTop=d[0];
    obj.style.borderRight=d[1];
    obj.style.borderBottom=d[2];
    obj.style.borderLeft=d[3];
}
function DispBoard(element,displayValue,nLeft) {
    if(gIEVer<=5.01 && gIsIE){
        if(element == "fontface"){
            var sReturnValue = showModalDialog("fontface_slt.html","", "font-family:Verdana; font-size:12; status:no; unadorned:yes; scroll:no; resizable:yes;dialogWidth:112px; dialogHeight:271px");;
            ExecCmd("fontname",sReturnValue);
        }else if(element == "fontsize"){
            var sReturnValue = showModalDialog("fontsize_slt.html","", "font-family:Verdana; font-size:12; status:no; unadorned:yes; scroll:no; resizable:yes;dialogWidth:130px; dialogHeight:250px");;
            ExecCmd("fontsize",sReturnValue);
        }
        return;
    }
    HideMenu();
    if ( typeof element == "string" )
        element = S(element);
    if (element == null) return;
    element.style.display = displayValue;
    SavePos();
    if(gIsIE){
        var e = event;
    }else{
        var e = ev;
    }
    var iX = e.clientX;
    var iY = e.clientY;
    Disp(element,1);
    element.style.left = ((null==nLeft)?(iX-30):nLeft) + "px";
    element.style.top = 33 + "px";
    setTimeout("document.getElementById('"+element.id+"').focus();", 500);
    return true;
}
function SaveEvent(e){
    ev = e;
}
//qqmail增加的函数

function fSetReplyContent(){
    try{
        win.fSetComposeContent(win.gReplyContent);
        window.frames["HtmlEditor"].focus();
    }catch(exp){
        window.setTimeout('fSetReplyContent()',1000);
    }
    win.gReplyContent = null;
}

function setContentType(ContentType)
{
    alert("setContentType");
    if(ContentType=="text")
    {
        PutContents(GetPlainContents());
    }
    window.parent.contenttype.value=ContentType;

}

function GetSetting()
{
    try
    {
        return window.top.GetApp().setting;
    }catch(e)
    {}
    return null;
}

function BrdBlur() {
    if (gIsIE)
    {
        if (!CommObjectCheck(document.activeElement, event.srcElement)) {
            setTimeout("LoadPos();HideMenu();", 10);
        }
    }
}


//全局事件绑定
window.onblur =function(){
    if(!gIsIE){
        HideMenu();
    }
};
window.onerror = function(){
    return true;
};
document.onmousemove = function(e){
/*    if(gIsIE) var el = event.srcElement;
    else var el = e.target;
    var tdView = S("tdView");
    var tdColorCode = S("tdColorCode");
    var dvForeColor =S("dvForeColor");
    var dvPortrait =S("dvPortrait");
    var fontsize =S("fontsize");
    var fontface =S("fontface");
    if(el.tagName == "IMG"){
        try{
            if(IsInColorBrd(el)){
                //tdView.bgColor = el.parentNode.bgColor;
                //tdColorCode.innerHTML = el.parentNode.bgColor
            }
        }catch(e){}
    }else{
        return;
        Disp(dvForeColor,0);
        if(!IsInFontFaceBrd(el)) Disp(fontface,0);
        if(!IsInFontSizeBrd(el)) Disp(fontsize,0);
    }
    */
};
function DectoHex(num) {
  var i,j=20,str = "#",N="ABCDEF";
  while(j >= 0) {
    i = (num >> j)%16;
    str += (i>9)?N.charAt(i-10):i;
    j -= 4;
  }
  return str;
}
function GetColorFromBg(bg)
{
    var i = bg.indexOf("("),j=bg.indexOf(")"),s=bg.substr(i+1,j-i-1).split(",");
    return DectoHex((s[0]<<16) + (s[1]<<8) + parseInt(s[2]));
}
document.onclick = function(e){
    if(gIsIE) var el = event.srcElement;
    else var el = e.target;
    var dvForeColor =S("dvForeColor");
    var dvPortrait =S("dvPortrait");

    try{

        if(IsInColorBrd(el)){
            //var _bgColor = (el.tagName == "IMG") ? el.parentNode.bgColor : el.bgColor;
            var t = el;
            if( t.tagName != "IMG")    {
                t = t.getElementsByTagName("IMG")[0];
            }
            var _bgColor = t.style.background+"";
            if(_bgColor.indexOf(")") > -1) //firefox
            {
                _bgColor = GetColorFromBg(_bgColor);
            }
            ExecCmd(gSetColorType, _bgColor);
            Disp(dvForeColor,0);
            return;
        }

        if (IsInMoBrd(el)) {
            var t = el;
            if( t.tagName == "TD")    {
                t = el.getElementsByTagName("IMG")[0];
            }
            if (t.tagName == "IMG" && t.attributes["data"] != null)
            {
                ExecCmd("InsertImage", giMoBaseUrl + t.attributes["data"].nodeValue);
                Disp(S("dvMo"), 0);
            }
            return;
        }
    }catch(e){}

    HideMenu();
    var idTable = [
     "imgFontface","fontface"
    ,"imgFontsize","fontsize"
    ,"imgFontColor","fontsize"
    ,"imgBackColor","dvForeColor"
    ,"imgFace","dvPortrait"
    ,"imgAlign","divAlign"
    ,"imgList","divList"];
    for(var i=0;i<idTable.length;i+=2){
      if( idTable[i]==el.id)
      {
        var obj = S(idTable[i+1]);
        obj?(obj.style.display = ""):0;
        break;
      }
    }
};
//全局变量
public_description = new editor;
var gSetColorType = "";
var gIsIE = document.all;
var gIEVer = getIEVer();
var gLoaded = false;
var ev = null;

//增加源代码编辑器...
//add by angusdu 2006-11-21
var curEditor = "Html";
function EnableToolBar(flag) {
    var tools = document.getElementsByName("tool_mask");
    for (i = tools.length - 1; i >= 0; i--) {
        Disp(tools[i], flag);
    }
    if (S("add_pic_id").style.display == "") {
        Disp(S("add_pic_mask_id"), flag);
    }
}
function ChangeEditor() {
    if (curEditor == "Html") {
        curEditor = "source";
        Disp(S("sourceEditor"), 1);
        Disp(S("HtmlEditor"), 0);
        S("sourceEditor").value = HtmlEditor.document.body.innerHTML;
        S("sourceEditor").focus();
        S("htmlbtn").title = "图文编辑";
        S("htmlbtn").innerHTML = "<a class=abtn href=javascript:void(0);><普通模式></a>";
        EnableToolBar(1);
    }
    else {
        curEditor = "Html";
        Disp(S("sourceEditor"), 0);
        Disp(S("HtmlEditor"), 1);
        HtmlEditor.document.body.innerHTML = S("sourceEditor").value;
        F("HtmlEditor").focus();
        S("htmlbtn").title = "编辑HTML源码";
        S("htmlbtn").innerHTML = "<a class=abtn href=javascript:void(0);><HTML模式></a>";
        EnableToolBar(0);
    }
}
function GetEditorType() {
    return (curEditor == "Html" ? "Html" : "source");
}

//增加对编辑器的高度修改接口
var gMinSize = 0;
function GetMinSize() {
    if (!gMinSize) {
        gMinSize = parseInt(S("HtmlEditor").style.height);
    }
    return gMinSize;
}
function AddElementHeight(el, l) {
    el.style.height = (parseInt(el.style.height) + l) + "px";
}
function StretchEditor(bIsLarge, l, frameid) {
    //默认伸缩长度为50px
    l = (l != null ? l : 50);
    var pw = window.parent;
    var pwif = pw.document.getElementsByTagName("iframe");
    for (i = pwif.length - 1; i >= 0; i--) {
        if (pwif[i].id && (frameid ? pwif[i].id == frameid : GetDoc(pw.frames[pwif[i].id]).body.innerHTML == GetDoc().body.innerHTML)) {
            if (parseInt(S("HtmlEditor").style.height) <= GetMinSize() && !bIsLarge) {
                return;
            }
            l = (bIsLarge ? l : (-1)*l);
            AddElementHeight(pwif[i], l);
            AddElementHeight(S("HtmlEditor"), l);
            AddElementHeight(S("sourceEditor"), l);
            return ;
        }
    }
}

转载注明出处：https://www.heiqu.com/wjdgpg.html

QQ邮箱的一个文本编辑器代码

相关推荐