webclient/js/GUI/Screen/Login.js

import I18n;
import GUI.ConnectedForm;
import select from GUI.Screen;
import Messaging;
import Session;
import Save;

var login;
var form;

return {
	init: init
};

function init() {
	login = GUI.ConnectedForm.get('login');
	form = login.root;
	initDOM();
	initMessageHandlers();
	var name = Save.get('player.name');
	if(name != undefined && name.length > 0) {
		form.you.value = name;
		login.enable();
	}
}

function initDOM() {
	form.getElementsByTagName('label')[0].textContent = I18n.get('pickName');
	form.join.value = I18n.get('join');
	form.addEventListener('submit', function(e) {
		e.preventDefault();
		Session.start(form.you.value);
	});
	form.you.addEventListener("input", validate);
}

function initMessageHandlers() {
	Messaging.addEventListener(["LogIn"], function(o) {
		if(Session.is(o.from)) {
			select('hall');
		}
	});
}

function validate(e) {
	login.enable(e.target.value != "");
}