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Contents
// ==========================================================================
// Project: SproutCore - JavaScript Application Framework
// Copyright: ©2006-2011 Strobe Inc. and contributors.
// ©2008-2011 Apple Inc. All rights reserved.
// License: Licensed under MIT license (see license.js)
// ==========================================================================
module("SC.Observable - Observing with @each");
test("chained observers on enumerable properties are triggered when the observed property of any item changes", function() {
var family = SC.Object.create({ momma: null });
var momma = SC.Object.create({ children: [] });
var child1 = SC.Object.create({ name: "Bartholomew" });
var child2 = SC.Object.create({ name: "Agnes" });
var child3 = SC.Object.create({ name: "Dan" });
var child4 = SC.Object.create({ name: "Nancy" });
family.set('momma', momma);
momma.set('children', [child1, child2, child3]);
var observerFiredCount = 0;
family.addObserver('momma.children.@each.name', this, function() {
observerFiredCount++;
});
observerFiredCount = 0;
SC.run(function() { momma.get('children').setEach('name', 'Juan'); });
equals(observerFiredCount, 3, "observer fired after changing child names");
observerFiredCount = 0;
SC.run(function() { momma.children.pushObject(child4); });
equals(observerFiredCount, 1, "observer fired after adding a new item");
observerFiredCount = 0;
SC.run(function() { child4.set('name', "Herbert"); });
equals(observerFiredCount, 1, "observer fired after changing property on new object");
momma.set('children', []);
observerFiredCount = 0;
SC.run(function() { child1.set('name', "Hanna"); });
equals(observerFiredCount, 0, "observer did not fire after removing changing property on a removed object");
});
Version data entries
24 entries across 24 versions & 1 rubygems