initial.js

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var sCurrMode = null;
var bEditMode = null;
var oLinkField = null;
var sBaseUrl = document.location.protocol + '//' + document.location.host ; 
var BrowserInfo = new Object() ;
BrowserInfo.MajorVer = navigator.appVersion.match(/MSIE (.)/)[1] ;
BrowserInfo.MinorVer = navigator.appVersion.match(/MSIE .\.(.)/)[1] ;
BrowserInfo.IsIE55OrMore = BrowserInfo.MajorVer >= 6 || ( BrowserInfo.MajorVer >= 5 && BrowserInfo.MinorVer >= 5 ) ;
var bInitialized = false;
function document.onreadystatechange()
{
	if (document.readyState!="complete") return;
	if (bInitialized) return;
	bInitialized = true;
	var i,j,s,curr;
	for (i=0; i<document.body.all.length;i++)
	{
		curr=document.body.all[i];
		if (curr.className == "Ico") InitBtn(curr);
	}
	setMode(ModeEdit.value);
	SuperWebEdit.focus();
}
// 初始化一个工具栏上的按钮
function InitBtn(btn) 
{
	btn.onmouseover = BtnMouseOver;
	btn.onmouseout = BtnMouseOut;
	btn.onmousedown = BtnMouseDown;
	btn.onmouseup = BtnMouseUp;
	btn.ondragstart = YCancelEvent;
	btn.onselectstart = YCancelEvent;
	btn.onselect = YCancelEvent;
	btn.YUSERONCLICK = btn.onclick;
	return true;
}

function YCancelEvent() 
{
	event.returnValue=false;
	event.cancelBubble=true;
	return false;
}

function BtnMouseOver() 
{
	var image = event.srcElement;
	image.className = "BtnMouseOverUp";
	event.cancelBubble = true;
}

function BtnMouseOut() 
{
	var image = event.srcElement;
	image.className = "Ico";
	event.cancelBubble = true;
}

function BtnMouseDown() 
{
	var image = event.srcElement;
	image.className = "IcoDown";
	event.cancelBubble = true;
	event.returnValue=false;
	return false;
}

function BtnMouseUp() 
{
	var image = event.srcElement;
	image.className = "Ico";
	event.cancelBubble = true;
	return false;
}

// 取剪粘板中的HTML格式数据
function GetClipboardHTML()  
{
	var oDiv = document.getElementById("SuperWebEdit_Temp_HTML")
	oDiv.innerHTML = "" ;
		alert(oDiv);
		return;
	var oTextRange = document.body.createTextRange() ;
	oTextRange.moveToElementText(oDiv) ;
	oTextRange.execCommand("Paste") ;
	var sData = oDiv.innerHTML ;
	oDiv.innerHTML = "" ;
	return sData ;
}

// 粘贴时自动检测是否来源于Word格式
function onPaste() 
{
	if (sCurrMode=="VIEW") return false;
	if (sCurrMode=="EDIT")
	{
		if (config.AutoDetectPasteFromWord && BrowserInfo.IsIE55OrMore) 
		{
			var sHTML = GetClipboardHTML() ;
			var re = /<\w[^>]* class="?MsoNormal"?/gi ;
			if ( re.test(sHTML))
			{
				if ( confirm( "你要粘贴的内容好象是从Word中拷出来的，是否要先清除Word格式再粘贴？" ) )
				{
					cleanAndPaste( sHTML ) ;
					return false ;
				}
			}
		}
		else
		{
			return true ;
		}
	}
	else
	{
		SuperWebEdit.document.selection.createRange().pasteHTML(HTMLEncode( clipboardData.getData("Text"))) ;
		return false;
	}
	
}

// 快捷键
function onKeyPress(event)
{
	if ((sCurrMode=="EDIT")||(sCurrMode=="VIEW"))
	{
		return true;
	}
	if (event.keyCode==13)
	{
		var sel = SuperWebEdit.document.selection.createRange();
		sel.pasteHTML("<BR>");
		event.cancelBubble = true;
		event.returnValue = false;
		sel.select();
		sel.moveEnd("character", 1);
		sel.moveStart("character", 1);
		sel.collapse(false);
		return false;
	}
}

// 在当前文档位置插入.
function insertHTML(html) 
{
	if (isModeView()) return false;
	if (SuperWebEdit.document.selection.type.toLowerCase() != "none")
	{
		SuperWebEdit.document.selection.clear() ;
	}
	if (sCurrMode!="EDIT")
	{
		html=HTMLEncode(html);
	}
	SuperWebEdit.document.selection.createRange().pasteHTML(html) ; 
}

// 设置编辑器的内容
function setHTML(html) 
{
	if (isModeView()) return false;
	ContentEdit.value = html;
	if(sCurrMode=="EDIT")
	{
		SuperWebEdit.document.body.innerHTML = html;
	}
	else
	{
		SuperWebEdit.document.body.innerText = html;
	}
}

// 取编辑器的内容
function getHTML() 
{
	var html;
	if((sCurrMode=="EDIT")||(sCurrMode=="VIEW"))
	{
		html = SuperWebEdit.document.body.innerHTML;
	}
	else
	{
		html = SuperWebEdit.document.body.innerText;
	}
	if (sCurrMode!="TEXT")
	{
		if (config.BaseUrl)
		{
			var re = new RegExp(sBaseUrl.replace(/\//,"\/"),"gi");
			html = html.replace(re,"");
		}
		if ((html.toLowerCase()=="<p>&nbsp;</p>")||(html.toLowerCase()=="<p></p>"))
		{
			html = "";
		}
	}
	return html;
}

// 在尾部追加内容
function appendHTML(html) 
{
	if (isModeView()) return false;
	if(sCurrMode=="EDIT")
	{
		SuperWebEdit.document.body.innerHTML += html;
	}
	else
	{
		SuperWebEdit.document.body.innerText += html;
	}
}

// 检测当前是否允许编辑
function validateMode() 
{
	if (sCurrMode=="EDIT") return true;
	alert("需转换为编辑状态后才能使用编辑功能！");
	SuperWebEdit.focus();
	return false;
}

// 检测当前是否在预览模式
function isModeView()
{
	if (sCurrMode=="VIEW")
	{
		alert("预览时不允许设置编辑区内容。");
		return true;
	}
	return false;
}

// 确保焦点在 SuperWebEdit 内
function VerifyFocus() 
{
	if ( SuperWebEdit )
		SuperWebEdit.focus();
}

function setMode(NewMode)   
{  
	if (NewMode!=sCurrMode)   
	{   
		if (!BrowserInfo.IsIE55OrMore)     
		{  
			if ((NewMode=="CODE") || (NewMode=="EDIT") || (NewMode=="VIEW"))
			{
				alert("HTML编辑模式需要IE5.5版本以上的支持！");
				return false;
			}
		}
		if (NewMode=="TEXT")
		{
			if (sCurrMode==ModeEdit.value)
			{
				if (!confirm("警告！切换到纯文本模式会丢失您所有的HTML格式，您确认切换吗？"))
				{
					return false;
				}
			}
		}
		var sBody = "";
		switch(sCurrMode)
		{
		case "CODE":
			if (NewMode=="TEXT")
			{
				SuperWebEdit_Temp_HTML.innerHTML = SuperWebEdit.document.body.innerText;
				sBody = SuperWebEdit_Temp_HTML.innerText;
			}
			else
			{
				sBody = SuperWebEdit.document.body.innerText;
			}
			break;
		case "TEXT":
			sBody = SuperWebEdit.document.body.innerText;
			sBody = HTMLEncode(sBody);
			break;
		case "EDIT":
		case "VIEW":
			if (NewMode=="TEXT")
			{
				sBody = SuperWebEdit.document.body.innerText;
			}
			else
			{
				sBody = SuperWebEdit.document.body.innerHTML;
			}
			break;
		default:
			sBody = unescape(ContentEdit.value);
			break;
		}
		// 换图片
		try{
			document.all["SuperWebEdit_CODE"].className = "StatusBarBtnOff";
			document.all["SuperWebEdit_EDIT"].className = "StatusBarBtnOff";
			document.all["SuperWebEdit_TEXT"].className = "StatusBarBtnOff";
			document.all["SuperWebEdit_VIEW"].className = "StatusBarBtnOff";
			document.all["SuperWebEdit_"+NewMode].className = "StatusBarBtnOn";
			}
		catch(e)
		{
		}
		// 换内容
		switch (NewMode)
		{
		case "CODE":
			SuperWebEdit.document.designMode="On";