/*
*######################################
* eWebEditor v4.00 - Advanced online web based WYSIWYG HTML editor.
* Copyright (c) 2003-2007 eWebSoft.com
*
* For further information go to http://www.ewebsoft.com/
* This copyright notice MUST stay intact for use.
*######################################
*/

var sCurrMode = null;
var bEditMode = null;
var oLinkField = null;

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 ) ;
config.IsSP2 = (navigator.userAgent.indexOf("SV1") != -1);

window.onresize = initWidths;

var yToolbars = new Array();
var bInitialized = false;
document.onreadystatechange=function(){
	if (document.readyState!="complete") {return;}
	if (bInitialized) {return;}
	bInitialized = true;
	
	initHistory();
	initWidths();

	oLinkField = parent.document.getElementsByName(sLinkFieldName)[0];
	if ((!oLinkField)&&(config.ServerExt=="aspx")){
		oLinkField = getSpecialLinkFieldAspx("input");
		if (!oLinkField){
			oLinkField = getSpecialLinkFieldAspx("textarea");
		}
	}

	if (!BrowserInfo.IsIE55OrMore){
		config.InitMode = "TEXT";
	}
	
	if (ContentFlag.value=="0") { 
		ContentEdit.value = oLinkField.value;
		ContentLoad.value = oLinkField.value;
		ModeEdit.value = config.InitMode;
		ContentFlag.value = "1";
	}

	setMode(ModeEdit.value);
	setLinkedField() ;
}

function getSpecialLinkFieldAspx(s_Tag){
	var els = parent.document.getElementsByTagName(s_Tag);
	for(var i=0;i<els.length;i++){
		var s_Name = els[i].getAttribute("name");
		var n = s_Name.lastIndexOf("$");
		if (n<0){
			n = s_Name.lastIndexOf(":");
		}

		if (n >= 0){
			s_Name = s_Name.substr(n+1);
			if (s_Name==sLinkFieldName){
				return els[i];
			}
		}
	}
	return null;
}

function initWidths(){
	var i, curr;
	for (i=0; i<document.body.all.length;i++){
		curr=document.body.all[i];
		if (curr.className == "yToolbar"){
			InitTB(curr);
			yToolbars[yToolbars.length] = curr;
		}
	}
}

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;
	btn.onclick = YCancelEvent;
	btn.YINITIALIZED = true;
	return true;
}

function InitTB(y) {
	y.TBWidth = 0;
	if (! PopulateTB(y)) {return false;}
	y.style.posWidth = y.TBWidth;
	return true;
}

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

function BtnMouseOver() {
	if (event.srcElement.tagName != "IMG") {return false;}
	var image = event.srcElement;
	var element = image.parentElement;
	
	if (image.className == "Ico") {
		element.className = "BtnMouseOverUp";
	}else if (image.className == "IcoDown") {
		element.className = "BtnMouseOverDown";
	}

	event.cancelBubble = true;
}

function BtnMouseOut() {
	if (event.srcElement.tagName != "IMG") {
		event.cancelBubble = true;
		return false;
	}

	var image = event.srcElement;
	var element = image.parentElement;
	yRaisedElement = null;
	
	element.className = "Btn";
	image.className = "Ico";

	event.cancelBubble = true;
}

function BtnMouseDown() {
	if (event.srcElement.tagName != "IMG") {
		event.cancelBubble = true;
		event.returnValue=false;
		return false;
	}

	var image = event.srcElement;
	var element = image.parentElement;

	element.className = "BtnMouseOverDown";
	image.className = "IcoDown";

	event.cancelBubble = true;
	event.returnValue=false;
	return false;
}

function BtnMouseUp() {
	if (event.srcElement.tagName != "IMG") {
		event.cancelBubble = true;
		return false;
	}

	var image = event.srcElement;
	var element = image.parentElement;

	if (element.YUSERONCLICK) {
		eval(element.YUSERONCLICK + "anonymous()");
	}

	element.className = "BtnMouseOverUp";
	image.className = "Ico";

	event.cancelBubble = true;
	return false;
}

function PopulateTB(y) {
	var i, elements, element;

	elements = y.children;
	for (i=0; i<elements.length; i++) {
		element = elements[i];
		if (element.tagName == "SCRIPT" || element.tagName == "!") {continue;}
		
		switch (element.className) {
		case "Btn":
			if (element.YINITIALIZED == null) {
				if (! InitBtn(element)) {
					alert("Problem initializing:" + element.id);
					return false;
				}
			}
			
			element.style.posLeft = y.TBWidth;
			y.TBWidth += element.offsetWidth + 1;
			break;
			
		case "TBGen":
			element.style.posLeft = y.TBWidth;
			y.TBWidth += element.offsetWidth + 1;
			break;
			
		case "TBSep":
			element.style.posLeft = y.TBWidth + 2;
			y.TBWidth += 5;
			break;
			
		case "TBHandle":
			element.style.posLeft = 2;
			y.TBWidth += element.offsetWidth + 7;
			break;
			
		default:
			alert("Invalid class: " + element.className + " on Element: " + element.id + " <" + element.tagName + ">");
			return false;
		}
	}

	y.TBWidth += 1;
	return true;
}


function setLinkedField() {
	if (! oLinkField) {return ;}
	var oForm = oLinkField.form ;
	if (!oForm) {return ;}

	oForm.attachEvent("onsubmit", AttachSubmit) ;
	if (! oForm.submitEditor) oForm.submitEditor = new Array() ;
	oForm.submitEditor[oForm.submitEditor.length] = AttachSubmit ;
	if (! oForm.originalSubmit) {
		oForm.originalSubmit = oForm.submit ;
		oForm.submit = function() {
			if (this.submitEditor) {
				for (var i = 0 ; i < this.submitEditor.length ; i++) {
					this.submitEditor[i]() ;
				}
			}
			this.originalSubmit() ;
		}
	}

	oForm.attachEvent("onreset", AttachReset) ;
	if (! oForm.resetEditor) oForm.resetEditor = new Array() ;
	oForm.resetEditor[oForm.resetEditor.length] = AttachReset ;
	if (! oForm.originalReset) {
		oForm.originalReset = oForm.reset ;
		oForm.reset = function() {
			if (this.resetEditor) {
				for (var i = 0 ; i < this.resetEditor.length ; i++) {
					this.resetEditor[i]() ;
				}
			}
			this.originalReset() ;
		}
	}
}

function AttachSubmit() { 
	var oForm = oLinkField.form ;
	if (!oForm) {return;}
	
	var html = getHTML();
	ContentEdit.value = html;
	if (sCurrMode=="TEXT"){
		html = HTMLEncode(html);
	}
	splitTextField(oLinkField, html);
} 

function doSubmit(){
	var oForm = oLinkField.form ;
	if (!oForm) {return ;}
	oForm.submit();
}

function AttachReset() {
	if(bEditMode){
		eWebEditor.document.body.innerHTML = ContentLoad.value;
	}else{
		eWebEditor.document.body.innerText = ContentLoad.value;
	}
}

function onHelp(){
	showDialog('about.htm');
	return false;
}

function onPaste() {
	if (sCurrMode=="VIEW") {return false;}
	if (!history.saved){saveHistory();}

	if (sCurrMode=="EDIT"){
		var sHTML = GetClipboardHTML() ;
		if ((config.AutoDetectPasteFromWord=="1") && BrowserInfo.IsIE55OrMore) {
			var re = /<\w[^>]* class="?MsoNormal"?/gi ;
			if ( re.test(sHTML)){
				if ( confirm("你要粘貼的內容好象是從Word中拷出來的，是否要先清除Word格式再粘貼？") ){
					cleanAndPaste( sHTML ) ;
					saveHistory();
					return false ;
				}
			}
		}
		return true;
	}else{
		eWebEditor.document.selection.createRange().pasteHTML(HTMLEncode( clipboardData.getData("Text"))) ;
		saveHistory();
		return false;
	}
}

function onKeyDown(event){
	var n_KeyCode = event.keyCode;
	var s_Key = String.fromCharCode(n_KeyCode).toUpperCase();
	

	// F2
	if (n_KeyCode==113){
		showBorders();
		return false;
	}
	if (event.ctrlKey){
		// Ctrl+Enter
		if (n_KeyCode==10){
			doSubmit();
			return false;
		}
		// Ctrl++
		if (s_Key=="+"){
			sizeChange(300);
			return false;
		}
		// Ctrl+-
		if (s_Key=="-"){
			sizeChange(-300);
			return false;
		}
		// Ctrl+1
		if (s_Key=="1"){
			setMode("CODE");
			return false;
		}
		// Ctrl+2
		if (s_Key=="2"){
			setMode("EDIT");
			return false;
		}
		// Ctrl+3
		if (s_Key=="3"){
			setMode("TEXT");
			return false;
		}
		// Ctrl+4
		if (s_Key=="4"){
			setMode("VIEW");
			return false;
		}
	}


	switch(sCurrMode){
	case "VIEW":
		return true;
		break;
	case "EDIT":
		if (event.ctrlKey){
			// Ctrl+D
			if (s_Key == "D"){
				PasteWord();
				return false;
			}
			// Ctrl+R
			if (s_Key == "R"){
				findReplace();
				return false;
			}
			// Ctrl+Z
			if (s_Key == "Z"){
				goHistory(-1);
				return false;
			}
			// Ctrl+Y
			if (s_Key == "Y"){
				goHistory(1);
				return false;
			}
		}
		break;
	default:
		if (n_KeyCode==13){
			if (!history.saved){saveHistory();}
			history.saved = false;
			var sel = eWebEditor.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;
		}
		if (event.ctrlKey){
			// Ctrl+B,I,U
			if ((s_Key == "B")||(s_Key == "I")||(s_Key == "U")){
				return false;
			}
			// Ctrl+Z
			if (s_Key == "Z"){
				goHistory(-1);
				return false;
			}
			// Ctrl+Y
			if (s_Key == "Y"){
				goHistory(1);
				return false;
			}
		}
		break;
	}


	if ((n_KeyCode==13)||(n_KeyCode==8)||(n_KeyCode==46)){			//Enter,Backspace,Del
		if (!history.saved){saveHistory();}
		history.saved = false;
	}else if ((n_KeyCode>=33)&&(n_KeyCode<=40)){					//PageUp,PageDown,End,Home,Left,Up,Right,Down
		if (!history.saved){saveHistory();}
	}else if (!event.ctrlKey && s_Key!="A" && s_Key!="F"){			//Ctrl+A,F
		history.saved = false;
	}

	return true;
}



var oResizing = new Object;