snappymail/dev/Knoin/AbstractScreen.js

(function () {

	'use strict';

	var
		_ = require('_'),
		crossroads = require('crossroads'),

		Utils = require('Common/Utils')
	;

	/**
	 * @param {string} sScreenName
	 * @param {?=} aViewModels = []
	 * @constructor
	 */
	function AbstractScreen(sScreenName, aViewModels)
	{
		this.sScreenName = sScreenName;
		this.aViewModels = Utils.isArray(aViewModels) ? aViewModels : [];
	}

	/**
	 * @type {Array}
	 */
	AbstractScreen.prototype.oCross = null;

	/**
	 * @type {string}
	 */
	AbstractScreen.prototype.sScreenName = '';

	/**
	 * @type {Array}
	 */
	AbstractScreen.prototype.aViewModels = [];

	/**
	 * @return {Array}
	 */
	AbstractScreen.prototype.viewModels = function ()
	{
		return this.aViewModels;
	};

	/**
	 * @return {string}
	 */
	AbstractScreen.prototype.screenName = function ()
	{
		return this.sScreenName;
	};

	AbstractScreen.prototype.routes = function ()
	{
		return null;
	};

	/**
	 * @return {?Object}
	 */
	AbstractScreen.prototype.__cross = function ()
	{
		return this.oCross;
	};

	AbstractScreen.prototype.__start = function ()
	{
		var
			aRoutes = this.routes(),
			oRoute = null,
			fMatcher = null
		;

		if (Utils.isNonEmptyArray(aRoutes))
		{
			fMatcher = _.bind(this.onRoute || Utils.emptyFunction, this);
			oRoute = crossroads.create();

			_.each(aRoutes, function (aItem) {
				oRoute.addRoute(aItem[0], fMatcher).rules = aItem[1];
			});

			this.oCross = oRoute;
		}
	};

	module.exports = AbstractScreen;

}());