function HtmlEditor(frameId){
this.editorId = frameId;
this.editor = null;
this.isIE = document.all;
this.BasePath = "";
//this.IEVer = this._GetIEVer();
//** privete , 获取IE的版本 *///
this._GetIEVer = function(){
var iVerNo = 0;
var sVer = navigator.userAgent;
if(sVer.indexOf("MSIE")>-1){
var sVerNo = sVer.split(";")[1];
sVerNo = sVerNo.replace("MSIE","");
iVerNo = parseFloat(sVerNo);
}
return iVerNo;
}
//** public , 初始化 *///
this.Init = function(){
this.editor = document.getElementById(this.editorId).contentWindow;
this.editor.name = this.editorId;
if(this.editor){
//但是IE与FireFox有点不同，为了兼容FireFox，所以必须创建一个新的document。 *///
this.editor.document.open();
this.editor.document.writeln('');
this.editor.document.close();
this.editor.document.body.setAttribute("leftMargin","3");
this.editor.document.body.setAttribute("topMargin","3");
this.editor.document.body.setAttribute("marginWidth","3");
this.editor.document.body.style.fontSize = "14px";
this.editor.document.body.style.fontFamily = "Tahoma";
if(this.isIE){
this.editor.document.body.contentEditable = true;
}
else{
this.editor.document.designMode = 'On';
this.editor.document.execCommand("useCSS",false, true);
this.editor.document.execCommand('enableObjectResizing', false, true);
this.editor.document.execCommand('enableInlineTableEditing', false, true);
}
}else{
alert('can not get editor object');
}
return this;
}
//** public , 获取编辑器对象(iframe 对象) *///
this.GetEditor = function(){
return this.editor;
}
//** public , 为编辑框添加事件 *///
this.AddEventListener = function(event,func){
if (this.editor.document.addEventListener){
this.editor.document.addEventListener(event,func,true);
}else{
this.editor.document.attachEvent(event,func);
}
}
//** 获取一个编辑器的当前光标位置 *///
this.GetCursorPos = function(){
this.editor.document.focus();
var workRange = this.editor.document.selection.createRange();
workRange.select();
var allRange = this.editor.document.selection.createRange();
workRange.moveToPoint(0,0); //** 先移到绝对零点 *///
workRange.setEndPoint("StartToStart",allRange);
var len = workRange.text.length;
workRange.collapse(false);
workRange.select();
return len;
}
//** 设置编辑器的当前光标位置 *///
this.SetCursorPos = function(iPos){
var range = this.editor.document.selection.createRange();
range.collapse(true);
range.moveToPoint(0,0); //** 先移到绝对零点 *///
range.moveStart('character',iPos);
range.select();
}
//** public , 获取编辑器的内容 *///
this.GetHtmlContent = function(){
return this.editor.document.body.innerHTML ;
}
//** public , 获取编辑器的纯文本内容 *///
this.GetTextContent = function(){
return this.editor.document.body.innerText ;
}
//** public , 设置编辑器的内容 *///
this.SetHtmlContent = function(html){
this.editor.document.body.innerHTML = html ;
}
//** public , 设置编辑器的纯文本内容 *///
this.SetTextContent = function(text){
this.editor.document.body.innerText = text ;
}
//** public , 将指定的内容添加到编辑器原内容的后面 *///
this.AddHtmlContent = function(html){
this.editor.document.body.innerHTML += html;
}
//** public , 将指定的内容添加到编辑器原内容的后面(纯文本) *///
this.AddTextContent = function(text){
this.editor.document.body.innerText += text;
}
//** public , 粘贴一段 html *///
this.PasteHTML = function(html)
{
if (this.editor.document.selection.type.toLowerCase() != "none")
{
this.editor.document.selection.clear() ;
}
this.editor.document.selection.createRange().pasteHTML(html) ;
}
//** public , 粘贴一段 纯文本 *///
this.PasteText = function(text)
{
if (this.editor.document.selection.type.toLowerCase() != "none")
{
this.editor.document.selection.clear() ;
}
this.editor.document.selection.createRange().text = text;
}
//** public , 清空编辑器的内容 *///
this.ClearHtmlContent = function(){
this.SetHtmlContent('');
}
//** public , 设置前景色 *///
this.ForeColor = function(e){
var sColor = this._DisplayColorBoard();
this.Format("foreColor", sColor);
}
//** public , 设置背景色 *///
this.BackColor = function(e){
var sColor = this._DisplayColorBoard();
this.Format("backColor", sColor);
}
//** public , 格式化格式 *///
this.Format = function(type, para){
this.editor.focus();
if(!para){
if(this.isIE){
this.editor.document.execCommand(type);
}else{
this.editor.document.execCommand(type,false,false);
}
}else{
this.editor.document.execCommand(type,false,para);
}
this.editor.focus();
}
//** private , 显示颜色选取框 *///
this._DisplayColorBoard = function(){
var arr = showModalDialog(this.BasePath + "ColorSelect.htm", "", "font-family:Verdana; font-size:12; status:no; dialogWidth:245px; dialogHeight:220px");
if (arr != null) return arr;
return;
}
//** public , 添加表情 *///
this.AddPortrait = function(){
var src = showModalDialog(this.BasePath + "portraitSelect.htm","", "font-family:Verdana; font-size:12; status:no; unadorned:yes; scroll:no; resizable:yes;dialogWidth:40em; dialogHeight:21em");
if (src != null) this.Format("InsertImage", src);
return;
}
//** public , 设置字体 *///
this.FontFace = function(){
var fontFace = showModalDialog(this.BasePath + "FontFaceSelect.htm","", "font-family:Verdana; font-size:12; status:no; unadorned:yes; scroll:no; resizable:yes;dialogWidth:400px; dialogHeight:100px");
if (fontFace != null) this.Format("fontname", fontFace);
return;
}
//** public , 设置字体大小 *///
this.FontSize = function(){
var FontSize = showModalDialog(this.BasePath + "FontSizeSelect.htm","", "font-family:Verdana; font-size:12; status:no; unadorned:yes; scroll:no; resizable:yes;dialogWidth:100px; dialogHeight:150px");
if (FontSize != null) this.Format("fontsize", FontSize);
return;
}
}