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You define the selector that feeds the choices yourself, and you could then either return a list or a value-able object to make the choices dynamic,

 

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HTH,

 

-Boris

 

-----Original Message-----
From: Carl Gundel [mailto:[hidden email]] 
Sent: Sunday, July 17, 2011 9:30 PM
To: Boris Popov, DeepCove Labs
Cc: VWNC
Subject: Re: [vwnc] Changing the contents of a combobox after the window is open

 

Okay, but what selector do I use to feed it the choices?  That's what I couldn't figure out.

 

-Carl Gundel

Liberty BASIC for Windows - http://www.libertybasic.com Run BASIC, easy web programming - http://www.runbasic.com

 

On Jul 17, 2011, at 9:20 PM, "Boris Popov, DeepCove Labs" <[hidden email]> wrote:

 

> I think you can just use another value holder (or any kind of

> #value'able object, like a block) to feed the choices, then it'll be

> re-evaluated every time the drop-down opens up.

>

> -Boris

>

> -----Original Message-----

> From: [hidden email] [hidden email] On

> Behalf Of Carl Gundel

> Sent: Sunday, July 17, 2011 8:41 PM

> To: VWNC

> Subject: [vwnc] Changing the contents of a combobox after the window

> is open

>

> What is the best way to programmatically change the contents of a

> combobox after the window is open?

>

> I can change the value of the field like so:

>

>    aComboBoxView model: 'qwerty' asValue.

>

> But how to change the list is eluding me.

>

> Thanks.

>

> -Carl Gundel

> http://www.libertybasic.com

> <a href="htp://www.runbasic.com" style="color: blue; text-decoration: underline; ">htp://www.runbasic.com

> _______________________________________________

> vwnc mailing list

> [hidden email]

> http://lists.cs.uiuc.edu/mailman/listinfo/vwnc

Okay, then instead of defining a selector, just feed the list holder at runtime,

 

postBuildWith: aBuilder

 

super postBuildWith: aBuilder.

(self widgetAt: #combobox) menuButton listHolder: [Random new next: 20]

 

Updated example is attached.

 

-Boris

 

From: [hidden email] [mailto:[hidden email]] On Behalf Of Carl Gundel
Sent: Sunday, July 17, 2011 10:07 PM
To: VWNC
Subject: Re: [vwnc] Changing the contents of a combobox after the window isopen

 

Boris,

 

Okay, I see how that works.  Thanks.  However, it doesn't solve my problem.  I need to programmatically tell the widget what it's contents are.  My GUIs are dynamically generated and do have a class for each window.  I do not have a place to hang my choices method.  I need to be able to say something like:

 

  aComponent llstModel: aSelectionInList

 

I hope this doesn't mean that I am going to have to subclass the combobox classes to do what I want.

 

Thanks anyways.  As usual the Wrapper GUI framework baffles and amazes.  Simple things are hair pulling experiences.  :-(

 

-Carl

 

On Jul 17, 2011, at 9:54 PM, Boris Popov, DeepCove Labs wrote:

To be precise, that’s how you set the source of the choices, which just happens be defined as a list by default. Instead, you can change the implementation of your #choices to return something that responds to #value and returns a new list,

 

choices

^choices ifNil: [choices := [Random new next: 20]]

 

Block is the simplest example, but you might be wanting to use an aspect adaptor etcetera. Full example is attached.

 

HTH,

 

-Boris

 

From: Carl Gundel [hidden email] 
Sent: Sunday, July 17, 2011 9:43 PM
To: Boris Popov, DeepCove Labs
Cc: VWNC
Subject: Re: [vwnc] Changing the contents of a combobox after the window is open

 

Yes, but that's not what I mean.  That's how to set the value initially, but how can this be used to change the list later after the window opens?  Unless you mean something se of course.  :-)

-Carl Gundel

Liberty BASIC for Windows - http://www.libertybasic.com

Run BASIC, easy web programming - http://www.runbasic.com

On Jul 17, 2011, at 9:33 PM, "Boris Popov, DeepCove Labs" <[hidden email]> wrote:

You define the selector that feeds the choices yourself, and you could then either return a list or a value-able object to make the choices dynamic,

 

 

HTH,

 

-Boris

 

-----Original Message-----
From: Carl Gundel [hidden email] 
Sent: Sunday, July 17, 2011 9:30 PM
To: Boris Popov, DeepCove Labs
Cc: VWNC
Subject: Re: [vwnc] Changing the contents of a combobox after the window is open

 

Okay, but what selector do I use to feed it the choices?  That's what I couldn't figure out.

 

-Carl Gundel

Liberty BASIC for Windows - http://www.libertybasic.com Run BASIC, easy web programming - http://www.runbasic.com

 

On Jul 17, 2011, at 9:20 PM, "Boris Popov, DeepCove Labs" <[hidden email]> wrote:

 

> I think you can just use another value holder (or any kind of

> #value'able object, like a block) to feed the choices, then it'll be

> re-evaluated every time the drop-down opens up.

> 

> -Boris

> 

> -----Original Message-----

> From: [hidden email] [hidden email] On

> Behalf Of Carl Gundel

> Sent: Sunday, July 17, 2011 8:41 PM

> To: VWNC

> Subject: [vwnc] Changing the contents of a combobox after the window

> is open

> 

> What is the best way to programmatically change the contents of a

> combobox after the window is open?

> 

> I can change the value of the field like so:

> 

>    aComboBoxView model: 'qwerty' asValue.

> 

> But how to change the list is eluding me.

> 

> Thanks.

> 

> -Carl Gundel

> http://www.libertybasic.com

> <a href="htp://www.runbasic.com" style="color: blue; text-decoration: underline; ">htp://www.runbasic.com

> _______________________________________________

> vwnc mailing list

> [hidden email]

> http://lists.cs.uiuc.edu/mailman/listinfo/vwnc

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