backbone.getters.setters.js

Backbone.GSModel = Backbone.Model.extend({

	get: function(attr) {
		// Call the getter if available
		if (_.isFunction(this.getters[attr])) {
			return this.getters[attr].call(this);
		}

		return Backbone.Model.prototype.get.call(this, attr);
	},

	set: function(key, value, options) {
		var attrs, attr;

		// Normalize the key-value into an object
		if (_.isObject(key) || key == null) {
			attrs = key;
			options = value;
		} else {
			attrs = {};
			attrs[key] = value;
		}

		// always pass an options hash around. This allows modifying
		// the options inside the setter
		options = options || {};

		// Go over all the set attributes and call the setter if available
		for (attr in attrs) {
			if (_.isFunction(this.setters[attr])) {
				attrs[attr] = this.setters[attr].call(this, attrs[attr], options);
			}
		}

		return Backbone.Model.prototype.set.call(this, attrs, options);
	},

	getters: {},

	setters: {}

});