[jQuery] handle trigger return value

[Emil Ivanov]

Hi folks,

I'm developing a plugin (my first evel jQuery plugin), and I want to
capture the return value from a user function, bound to event.
Basically, what I want is to be able to undo the event - like
returning false in a link click will now follow the link.
Here is some code:
// in the plugin
self.click(function () {
        var return_value = self.trigger('action', [currentProgress]));
        if (!return_value) undo();
});

// userland
$('#item').bind('action', function () {
        return window.confirm('Sure?');
});

Regards,
Emil Ivanov