js.js

一个论坛的实例

var colour;
var htmlOn;

//Function to format text in the text box
function FormatText(command, option) {	
	//Colour pallete
	if ((command == "forecolor") || (command == "backcolor")) {
		
		parent.command = command;
		buttonElement = document.getElementById(command);
		document.getElementById("message").contentWindow.focus()
		document.getElementById("colourPalette").style.left = getOffsetLeft(buttonElement) + "px";
		document.getElementById("colourPalette").style.top = (getOffsetTop(buttonElement) + buttonElement.offsetHeight) + "px";
		
		if (document.getElementById("colourPalette").style.visibility=="hidden")
			document.getElementById("colourPalette").style.visibility="visible";
		else {
			document.getElementById("colourPalette").style.visibility="hidden";
		}
		
		//get current selected range
		var sel = document.getElementById("message").contentWindow.document.selection; 
		if (sel != null) {
			colour = sel.createRange();
		}
	}	
	//Text Format
	else {
		document.getElementById("message").contentWindow.focus();
	  	document.getElementById("message").contentWindow.document.execCommand(command, false, option);
		document.getElementById("message").contentWindow.focus();
	}
}

//Function to set colour
function setColor(color) {
	//retrieve selected range
	var sel = document.getElementById("message").contentWindow.document.selection; 
	if (sel!=null) {
		var newColour = sel.createRange();
		newColour = colour;
		newColour.select();
	}	
	document.getElementById("message").contentWindow.focus();
	document.getElementById("message").contentWindow.document.execCommand(parent.command, false, color);
	document.getElementById("message").contentWindow.focus();
	document.getElementById("colourPalette").style.visibility="hidden";
}


//Function to add image
function AddImage() {
	imagePath = prompt("输入你要插入的图片的地址", "http://www.78798.com/image.gif");			
	if ((imagePath != null) && (imagePath != "")) {
		document.getElementById("message").contentWindow.focus()
		document.getElementById("message").contentWindow.document.execCommand("InsertImage", false, imagePath);
	}
	document.getElementById("message").contentWindow.focus()
}

function AddFlash()
{   
    retval = window.prompt("输入你要插入的Flash的地址","http://www.78798.com/flash.swf");	
	if( retval != null ){
		document.getElementById("message").contentWindow.focus()
		var htmlLink = document.getElementById("message").contentWindow.document.selection.createRange()
		//var infoContent="<embed src='"+retval+"'   type='application/x-shockwave-flash'></embed>";
		var infoContent="<OBJECT codeBase=http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,29,0 classid=clsid:D27CDB6E-AE6D-11cf-96B8-444553540000><PARAM NAME=movie VALUE='"+retval+"'><PARAM NAME=quality VALUE=high><embed src='"+retval+"' quality=high pluginspage='http://www.macromedia.com/go/getflashplayer' type='application/x-shockwave-flash'>'"+retval+"'</embed></OBJECT>";
		htmlLink.pasteHTML(infoContent);
		document.getElementById("message").contentWindow.document.execCommand('paste', false,'');
	}
	document.getElementById("message").contentWindow.focus()
}


function AddReal()
{   
	retval = window.prompt('输入你要插入的Real的地址','http://www.78798.com/real.rm');
	if( retval != null ){
		document.getElementById("message").contentWindow.focus()
		var htmlLink = document.getElementById("message").contentWindow.document.selection.createRange()
		var infoContent="<object id=\"RVOCX\" classid=\"CLSID:CFCDAA03-8BE4-11cf-B84B-0020AFBBCCFA\" width=\"320\" height=\"240\">\n";
		infoContent=infoContent+"<param name=\"SRC\" value=\""+retval+"\">\n";
		infoContent=infoContent+"<param name=\"CONTROLS\" value=\"ImageWindow\">\n";
		infoContent=infoContent+"<param name=\"CONSOLE\" value=\"cons\">\n";
		infoContent=infoContent+"<embed src=\""+retval+"\" type=\"audio/x-pn-realaudio-plugin\" width=\"320\" height=\"240\" controls=\"ImageWindow\" console=\"cons\"></embed>\n";
		infoContent=infoContent+"</object>\n";
		
		htmlLink.pasteHTML(infoContent);
		document.getElementById("message").contentWindow.document.execCommand('paste', false,'');
	}
	document.getElementById("message").contentWindow.focus()
	
}

function AddWMP()
{   

	retval = window.prompt('输入你要插入的WMP的地址','http://www.78798.com/media.asf');
	if( retval != null ){
		document.getElementById("message").contentWindow.focus()
		var htmlLink = document.getElementById("message").contentWindow.document.selection.createRange()
		var infoContent="<embed type=application/x-oleobject codebase=http://activex.microsoft.com/activex/controls/mplayer/en/nsmp2inf.cab#Version=5,1,52,701 flename=mp src="+retval+"  width=320 height=240></embed>\n";
		htmlLink.pasteHTML(infoContent);
		document.getElementById("message").contentWindow.document.execCommand('paste', false,'');
	}
	document.getElementById("message").contentWindow.focus()
	
}

//Function to switch to HTML view
function HTMLview() {
	
	//WYSIWYG view
	if (htmlOn == true) {
		var html = document.getElementById("message").contentWindow.document.body.innerText;
		document.getElementById("message").contentWindow.document.body.innerHTML = html;
		document.getElementById("ToolBar1").style.visibility="visible";
		document.getElementById("ToolBar2").style.visibility="visible";
		htmlOn = false;
	
	//HTML view
	} else {
		
		var html = document.getElementById("message").contentWindow.document.body.innerHTML;
		document.getElementById("message").contentWindow.document.body.innerText = html;
    		document.getElementById("ToolBar1").style.visibility="hidden";
    		document.getElementById("ToolBar2").style.visibility="hidden";
    		htmlOn = true;
    	}		
}

//Function to clear form
function ResetForm() {
	if (window.confirm("您确认要重新填写此表单吗？")) {
		document.postForm.reset();
		document.getElementById("message").contentWindow.focus()
	 	document.getElementById("message").contentWindow.document.body.innerHTML = ""; 
	 	return true;
	 } 
	 return false;		
}

//Function to add smiley
function AddSmileyIcon(imagePath){	
	document.getElementById("message").contentWindow.focus();							
	document.getElementById("message").contentWindow.document.execCommand("InsertImage", false, imagePath);
}

//Colour pallete top offset
function getOffsetTop(elm) {
	var mOffsetTop = elm.offsetTop;
	var mOffsetParent = elm.offsetParent;
	while(mOffsetParent){
		mOffsetTop += mOffsetParent.offsetTop;
		mOffsetParent = mOffsetParent.offsetParent;
	}
	return mOffsetTop;
}

//Colour pallete left offset
function getOffsetLeft(elm) {
	var mOffsetLeft = elm.offsetLeft;
	var mOffsetParent = elm.offsetParent;
	while(mOffsetParent) {
		mOffsetLeft += mOffsetParent.offsetLeft;
		mOffsetParent = mOffsetParent.offsetParent;
	}
	return mOffsetLeft;
}

//Function to hide colour pallete
function hideColourPallete() {
	document.getElementById("colourPalette").style.visibility="hidden";
}
//Function to perform spell check
function checkspell() {
	try {
		var tmpis = new ActiveXObject("ieSpell.ieSpellExtension");
		tmpis.CheckAllLinkedDocuments(document);
	}
	catch(exception) {
		if(exception.number==-2146827859) {
			if (confirm("浏览器自动拼写检查(ieSpell)没有检测到。点击“确定”转到下载页面。"))
				openWin("http://www.iespell.com/download.php","DownLoad", "");
		}
		else
			alert("Error Loading ieSpell: Exception " + exception.number);
	}
}