On Mon, Dec 29, 2014 at 9:03 PM, halcwb <hal...@gmail.com> wrote:
>
> The widget query setup enables two things:
> 1. You can then easily retrieve a widget that lives in the browser in the
> command line, like I do all the time with firebug. Then you get a kind of a
> REPL work flow.
>
Sure, for inspection and debugging this is fair use. The Inspector app aims
at the same direction.
>
> 2. It enables an abstraction of the observer pattern. At the moment there
> is
> still a direct relation between the event publisher and the event handler.
> I
> can say many bad things of ExtjJs, but there event handling is very
> powerful. They have a so called event bus. The event bus handles all event
> publishers and handlers. So, in a controller, I can say, listen to any
> combox dropdown event and act upon it, without having any direct reference
> to all the comboxes. See this reference
> <http://docs.sencha.com/extjs/5.1/5.1.0-apidocs/#!/api/Ext.app.EventDomain
> >
>
Without looking into the ExtJs docs, I'd say you have something similar in
qooxdoo. This tutorial section was the first thing that I could get a hold
on:
http://manual.qooxdoo.org/4.1/pages/desktop/tutorials/tutorial-part-4-1.html#accessing-the-form-values
> .
>
> Building on that last bit, I could even take this further and I have a
> central event declaration file in which I can declare exactly which
> classes/widgets listen to what classes/widgets. And thats quite powerful.
>
In qx.Desktop, everything is done programmatically, sorry (sort of "one
ring to rule them all" ;).
T.
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