Events

before file add:
before file remove:
before clear:
Log (clear)
</> Source
<!DOCTYPE html>
<html>
<head>
	<title>Events</title>
	<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>
	<meta http-equiv="X-UA-Compatible" content="IE=edge"/>
	<link rel="stylesheet" type="text/css" href="../../../codebase/fonts/font_roboto/roboto.css"/>
	<link rel="stylesheet" type="text/css" href="../../../codebase/dhtmlx.css"/>
	<script src="../../../codebase/dhtmlx.js"></script>
	<script src="../../../codebase/ext/swfobject.js"></script>
	<style>
		div#simpleLog {
			width: 800px;
			height: 200px;
			font-family: Tahoma;
			font-size: 11px;
			overflow: auto;
		}
	</style>
	<script>
		var myForm, formData, logObj;
		var beforeFileAdd = false;
		var beforeFileRemove = false;
		var beforeClear = false;
		function doOnLoad() {
			formData = [
				{type: "fieldset", label: "Uploader", list:[
					{type: "upload", name: "myFiles", inputWidth: 330, url: "php/dhtmlxform_item_upload.php", swfPath: "uploader.swf", swfUrl: "php/dhtmlxform_item_upload.php"}
				]}
			];
			myForm = new dhtmlXForm("myForm", formData);
			myForm.attachEvent("onUploadFile",function(realName, serverName){
				logEvent("<b>onUploadFile</b>, real name: "+realName+", server name: "+serverName);
			});
			myForm.attachEvent("onUploadComplete",function(count){
				logEvent("<b>onUploadComplete</b> "+count+" file"+(count>1?"s were":" was")+" uploaded");
			});
			myForm.attachEvent("onUploadCancel",function(realName){
				logEvent("<b>onUploadCancel</b>, file: "+realName);
			});
			myForm.attachEvent("onUploadFail",function(realName){
				logEvent("<b>onUploadFail</b>, file: "+realName);
			});
			myForm.attachEvent("onBeforeFileAdd",function(realName, size){
				logEvent("<b>onBeforeFileAdd</b>, real name: "+realName+", size: "+size+", "+(beforeFileAdd?"<span style='color:green;'>allowed<span>":"<span style='color:red;'>not allowed<span>"));
				return beforeFileAdd;
			});
			myForm.attachEvent("onFileAdd",function(realName){
				logEvent("<b>onFileAdd</b>, real name: "+realName);
			});
			myForm.attachEvent("onBeforeFileRemove",function(realName,serverName){
				logEvent("<b>onBeforeFileRemove</b>, real name: "+realName+", server name: "+(serverName==null?"wasn't uploaded":serverName)+", "+(beforeFileRemove?"<span style='color:green;'>allowed<span>":"<span style='color:red;'>not allowed<span>"));
				return beforeFileRemove;
			});
			myForm.attachEvent("onFileRemove",function(realName,serverName){
				logEvent("<b>onFileRemove</b>, real name: "+realName+", server name: "+(serverName==null?"wasn't uploaded":serverName));
			});
			myForm.attachEvent("onBeforeClear",function(){
				logEvent("<b>onBeforeClear</b>, "+(beforeClear?"<span style='color:green;'>allowed<span>":"<span style='color:red;'>not allowed<span>"));
				return beforeClear;
			});
			myForm.attachEvent("onClear",function(){
				logEvent("<b>onClear</b>");
			});
			changeOnBeforeEvent("beforeFileAdd");
			changeOnBeforeEvent("beforeFileRemove");
			changeOnBeforeEvent("beforeClear");
		}
		function logEvent(t) {
			if (!logObj) logObj = document.getElementById("simpleLog");
			logObj.innerHTML += t+"<br>";
		}
		function clearLog() {
			if (!logObj) logObj = document.getElementById("simpleLog");
			logObj.innerHTML = "";
		}
		function changeOnBeforeEvent(name) {
			window[name] = !window[name];
			document.getElementById(name+"Info").innerHTML = window[name]?"<span style='color:green;'>allowed<span>":"<span style='color:red;'>not allowed<span>";
		}
	</script>
</head>
<body onload="doOnLoad();">
	<table>
		<tr><td><div id="myForm"></div></td></tr>
		<tr><td><br><br><table>
				<tr>
					<td width="160">before file add:</td>
					<td width="110"><span id="beforeFileAddInfo"></span></td>
					<td><input type="button" onclick="changeOnBeforeEvent('beforeFileAdd');" value="change"></td>
				</tr><tr>
					<td>before file remove:</td>
					<td><span id="beforeFileRemoveInfo"></span></td>
					<td><input type="button" onclick="changeOnBeforeEvent('beforeFileRemove');" value="change"></td>
				</tr><tr>
					<td>before clear:</td>
					<td><span id="beforeClearInfo"></span></td>
					<td><input type="button" onclick="changeOnBeforeEvent('beforeClear');" value="change"></td>
				</tr>
			</table></td>
		</tr>
		<tr><td><br><br><b>Log (<a href="javascript:void(0);" onclick="clearLog();">clear</a>)</b></td></tr>
		<tr><td><div id="simpleLog"></div></td></tr>
	</table>
</body>
</html>
Documentation

Check documentation to learn how to use the components and easily implement them in your applications.