GZ/nwyj/WebContent/admin/scripts/dojo/dijit/demos/chat/room.js

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 = '';
			}
		}
	});

}