:orphan:

.. _init_order1.py:

init_order1.py
==============

.. code-block:: py
    :linenos:


    """
    This example demonstrates the order of initialization:
    
    * Initial property values are set.
    * The init() method gets called.
    * Events are handled.
    """
    
    from flexx import app, event
    
    
    class Example(app.Model):
        
        def init(self):
            print('Py: in init')
            self.spam = 5
        
        @event.prop
        def foo(self, v=2):
            print('Py: setting foo')
            return v
        
        @event.connect('foo')
        def on_foo(self, *events):
            for ev in events:
                print('Py: handling %s event' % ev.type, self.foo + self.spam)
    
        class JS:
            
            def init(self):
                print('JS: in init')
                self.eggs = 5
            
            @event.prop
            def bar(self, v=2):
                print('JS: setting bar')
                return v
            
            @event.connect('bar')
            def on_bar(self, *events):
                for ev in events:
                    print('JS: handling %s event' % ev.type, self.bar + self.eggs)
    
    
    if __name__ == '__main__':
        m = app.launch(Example)
        app.run()