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Article View: borland.public.jbuilder.java.swing
Article #448

Re: Design window turning red

#448
From: Magnus
Date: Tue, 24 May 2005 13:30
81 lines
4196 bytes
Thanks you!

I did have a problem with a customized tree that was built with values 
from a DB. I solved it with an "empty" constructor call in jbInit and 
then build the tree on another trigger. I also realized that if fields 
in jbInit are placed in proper order (i.e. red beans in the end) the 
rest of the fields are looking fine.

Now, after I fixed the tree-red bean, I ended up in another "issue". It 
is not a problem but is as follow:
- I have my custom tree in its own panel as part of a lot of other 
fields and graphs etc.
- My listener for the tree gives me what I need but to be able to update 
the fields outside the tree panel I have to make all of them static.
- Now I have all fields show up as red beans and all panels and 
everything is marked static.

Question: Is there a way to go from a static environment to a non-static 
environment. Can I place the tree-listener outside its own object and 
then trigger everything within the "main" panel.

memyselfandI wrote:

> Ah Yes Indeed, the dreaded red beans issue.
> 
> The GUI designer is a very nice tool, but this read beans issue is one of the most often complained about issues in the newsgroups.
> 
> The big problem is that the designer does not produce intellegent error messages to help you determine what is occurring for you to correct.
> 
> What you can do to figure out wat is going on is: 
> 1.  comment out most of the initialization in jbinit
> 2.  comment all of your own methods
> 3.  launch the designer
> 
> At this point, unless something is very wacky, the designer should now work again.
> 
> Now, uncomment a bit at a time in the jbinit, each time go back to the designer.
> 
> If you get everything uncommented again in jbinit, then the issue is in one of your methods.  Un-comment each method, one at a time.
> 
> It is painful but doing this has always solved the problem for me.
> 
> "Paul Furbacher [TeamB]" <pfurbacher@mac.com> wrote:
> 
>>Magnus wrote:
>>
>>
>>>I have developed a test program to work with JTree. [...]
>>>
>>>All by a sudden, while swapping between Source and Design tabs - the 
>>>design window turns red and I get the following message:
>>>
>>>Failed to create live value from JPanel contentPane;: null
>>>Failed to create live visual subcomponent contentPane (Bord [...]
>>
>>>I have no idea what to change or even where to look for an error. [...]
>>
>>The <jbuilder install dir>/setup/release_notes.html file
>>is a good place to start; see the "Designer" section.
>>
>>Also, this subject has come up often and is well
>>documented in the archives.  Try the keywords
>>"Failed to create live value" or "red bean".
>>
>>
>>-- 
>>
>>
>>Paul Furbacher (TeamB)
>>
>>  Save time, search the archives:
>>       http://www.borland.com/newsgroups/ngsearch.html
>>
>>  Is it in Joi Ellis's Faq-O-Matic?
>>       http://www.visi.com/~gyles19/fom-serve/cache/1.html
>>
>>  Finally, please send responses to the newsgroup only.
>>  That means, do not send email directly to me.
>>  Thank you.
> 
> 
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Date: Tue, 24 May 2005 09:30:06 -0400
From: Magnus <magnus_bjorkman@iwon.com>
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