tests/manual/app-transitions.html

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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="utf-8" />
    <title>Foo App</title>
</head>
<body>
    <script src="/build/yui/yui.js"></script>
    <script>
    YUI({
        combine: false,
        filter: 'RAW'
    }).use('app', 'app-transitions', function (Y) {
        Y.HappyView = Y.Base.create('SadView', Y.View, [], {
            render: function () {
                this.get('container').setContent('<p>I\'m a happy view :)</p>');
            }
        });

        Y.SadView = Y.Base.create('SadView', Y.View, [], {
            render: function () {
                this.get('container').setContent('<p>I\'m a sad view :(</p>');
            }
        });

        var MyAppClass = Y.Base.create('MyApp', Y.App, [], {
                views: {
                    happy: {
                        type: Y.HappyView
                    },
                    sad: {
                        type: Y.SadView
                    }
                }
            }),
            myAppInstance = new MyAppClass({transitions: true}).render(),
            transition = function (counter) {
                counter = counter || 0;

                if (counter >= 21) {
                    return;
                }

                Y.later(100, null, function () {
                    myAppInstance.showView((counter % 2) ? 'happy' : 'sad');
                    transition(counter + 1);
                });
            };

        transition();
    });
    </script>
</body>
</html>