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  Swing JComboBox problem.  (Read 318 times)
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Offline trollwarrior1
« Posted 2014-04-09 09:48:44 »

I'm currently making a certain program. I have a JComboBox setup. Here is the code.

1  
dropdown=new JComboBox<SpriteSheet>();


So I create a that box with spritesheet as its generic type or component or how the **** that's called.

This is how I put objects to it.
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dropdown.addItem(sheet);


The problem that causes me is this.


I think you understand what I want to do.

I would like to set like some kind of listener or something that would display the name of the object as I wish, not the actual object id or how is that called.

So it would look something like this:
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dropdown.setTitleListener(new TitleListener() {
   public String getTitle(SpriteSheet sheet) {
      return "title";
   }
});


This is just pseudo-code and it doesn't exist. I think you know what I want to achieve. I don't even know how to name it..
Offline Gibbo3771
« Reply #1 - Posted 2014-04-09 09:51:49 »

You want to get the objects type in a human readable form?...

"This code works flawlessly first time and exactly how I wanted it"
Said no programmer ever
Offline trollwarrior1
« Reply #2 - Posted 2014-04-09 09:57:27 »

I want to be able to display any string for any object in the JComboBox. I want to be able to put different objects and be able to name them however I want, not the object name.

I mean, atm this is what it does.
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renderString = object;


Which gives that objects package path, class name and object number or something.

I want it to do this:
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renderString=titleListener.getTitle(object);
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Offline Danny02
« Reply #3 - Posted 2014-04-09 10:26:31 »

just override the toString method in Spritesheet
and the thing between the <> is called type argument
Offline trollwarrior1
« Reply #4 - Posted 2014-04-09 10:36:59 »

Thanks.

I'm still not quite sure why there isn't something like I described (I will assume there isn't until someone proves otherwise Cheesy)

I would say this isn't a good fix, a hack rather.
Offline Stranger

Senior Devvie


Medals: 9


I'm going slightly mad It finally happened


« Reply #5 - Posted 2014-04-09 10:44:58 »

I think it's what you looking for: http://tips4java.wordpress.com/2013/11/17/combo-box-with-custom-renderer/

Anton
Offline trollwarrior1
« Reply #6 - Posted 2014-04-09 10:50:50 »


Thanks I will look into it later.

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