thanks Michael this does the job...in this code, now I've other doubt
public class MyWindow extends Window
{
public MyWindow() // <--- not clear where I need declare it
{
super("My Window!");
Panel horizontalPanel = new Panel(new Border.Invisible(),
Panel.Orientation.HORIZONTAL);
Panel leftPanel = new Panel(new Border.Bevel(true),
Panel.Orientation.VERTICAL);
Panel middlePanel = new Panel(new Border.Bevel(true),
Panel.Orientation.VERTICAL);
Panel rightPanel = new Panel(new Border.Bevel(true),
Panel.Orientation.VERTICAL);
horizontalPanel.addComponent(leftPanel);
horizontalPanel.addComponent(middlePanel);
horizontalPanel.addComponent(rightPanel);
addComponent(horizontalPanel); // <----this is a confusing part too
}
}
in this code addComponent(horizontalPanel) is basically something like
this.addComponent(horizontalPanel)
does clojure have the "this" reference??...how can I call the
constuctor...I'm thinkingin something like this
(defn MyWindow []
(proxy [Window] ["My windows!!"]
(MyWindow [] (. this addComponent (Label. "Bang!!") ))))
is it wrong no? :D
thanks!!!
El viernes, 30 de enero de 2015, 18:47:48 (UTC-4:30), Michael Blume
escribió:
>
> (defn my-window []
> (proxy [Window] []))
>
> should do the trick
>
> Proxy takes a vector of implemented interfaces and at most one superclass
> (in your case, Window), and then a second vector of arguments to pass to
> the superclass constructor (in your case, an empty vector) and then a
> series of methods implemented/overridden on the parent class/interfaces --
> in your case there's none of those.
>
> My understanding is that proxy is not quite as performant as
> reify/defrecord, but it's the only game in town if you actually want to
> subclass something.
>
> Hope this helps =)
>
> On Fri Jan 30 2015 at 3:05:11 PM coco <clasespart...@gmail.com
> <javascript:>> wrote:
>
>> Hi everybody, I need implement this java code in clojure
>>
>> public class MyWindow extends Window
>> {
>> public MyWindow()
>> {
>> super("My Window!");
>> }
>> }
>>
>> MyWindow myWindow = new MyWindow();
>>
>>
>> unfortunately the clojure documentation for generate classes is not so
>> complete or straightforward for my understand...must I use gen-class or can
>> I use defrecord for this task?...how can I call super class
>> constructors??...
>>
>> thanks
>>
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