if(!dojo._hasResource["dijit.demos.chat.room"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.dojo._hasResource["dijit.demos.chat.room"] = true;dojo.provide("dijit.demos.chat.room"); dojo.require("dojox.cometd");dojo.require("dijit._Widget");dojo.require("dijit._Templated");dojo.declare("dijit.demos.chat.Room",	[dijit._Widget,dijit._Templated],	{	_last: "",	_username: null,	roomId: "public",	isPrivate: false,	prompt: "Name:",	templateString: '<div id="${id}" class="chatroom">'				+'<div dojoAttachPoint="chatNode" class="chat"></div>'				+'<div dojoAttachPoint="input" class="input">'					+'<div dojoAttachPoint="joining">'						+'<span>${prompt}</span><input class="username" dojoAttachPoint="username" type="text" dojoAttachEvent="onkeyup: _join"> <input dojoAttachPoint="joinB" class="button" type="submit" name="join" value="Contact" dojoAttachEvent="onclick: _join"/>'					+'</div>'					+'<div dojoAttachPoint="joined" class="hidden">'						+'<input type="text" class="phrase" dojoAttachPoint="phrase" dojoAttachEvent="onkeyup: _cleanInput" />'						+'<input type="submit" class="button" value="Send" dojoAttachPoint="sendB" dojoAttachEvent="onclick: _sendPhrase"/>'					+'</div>'				+'</div>'			+'</div>',	join: function(name){		if(name == null || name.length==0){			alert('Please enter a username!');		}else{			if(this.isPrivate){ this.roomId = name; } 			this._username=name;			this.joining.className='hidden';			this.joined.className='';			this.phrase.focus();			console.log(this.roomId); 			dojox.cometd.subscribe("/chat/demo/" + this.roomId, this, "_chat");			dojox.cometd.publish("/chat/demo/" + this.roomId, { user: this._username, join: true, chat : this._username+" has joined the room."});			dojox.cometd.publish("/chat/demo", { user: this._username, joined: this.roomId });		}	},	_join: function(/* Event */e){		var key = (e.charCode == dojo.keys.SPACE ? dojo.keys.SPACE : e.keyCode);		if (key == dojo.keys.ENTER || e.type=="click"){			this.join(this.username.value); 		}	},	leave: function(){ 		dojox.cometd.unsubscribe("/chat/demo/" + this.roomId, this, "_chat");		dojox.cometd.publish("/chat/demo/" + this.roomId, { user: this._username, leave: true, chat : this._username+" has left the chat."});		// switch the input form back to login mode		this.joining.className='';		this.joined.className='hidden';		this.username.focus();		this._username=null;	},		chat: function(text){		// summary: publish a text message to the room		if(text != null && text.length>0){			// lame attempt to prevent markup			text=text.replace(/</g,'&lt;');			text=text.replace(/>/g,'&gt;');			dojox.cometd.publish("/chat/demo/" + this.roomId, { user: this._username, chat: text});		}	},	_chat: function(message){		// summary: process an incoming message		if (!message.data){			console.warn("bad message format "+message);			return;		}		var from=message.data.user;		var special=message.data.join || message.data.leave;		var text=message.data.chat;		if(text!=null){			if(!special && from == this._last ){ from="...";			}else{				this._last=from;				from+=":";			}			if(special){				this.chatNode.innerHTML += "<span class=\"alert\"><span class=\"from\">"+from+"&nbsp;</span><span class=\"text\">"+text+"</span></span><br/>";					this._last="";			}else{				this.chatNode.innerHTML += "<span class=\"from\">"+from+"&nbsp;</span><span class=\"text\">"+text+"</span><br/>";				this.chatNode.scrollTop = this.chatNode.scrollHeight - this.chatNode.clientHeight;    			}		}	},	startup: function(){ 		this.joining.className='';		this.joined.className='hidden';		//this.username.focus();		this.username.setAttribute("autocomplete","OFF");		if (this.registeredAs) { this.join(this.registeredAs); } 		this.inherited("startup",arguments); 	},	_cleanInput: function(/* Event */e){		var key = (e.charCode == dojo.keys.SPACE ? dojo.keys.SPACE : e.keyCode);		if(key == dojo.keys.ENTER || key == 13){			this.chat(this.phrase.value);          		this.phrase.value='';		}	},	_sendPhrase: function(/* Event */e){		if (this.phrase.value){			this.chat(this.phrase.value);			this.phrase.value='';		}	}});}