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Look and feel: Metal them

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  Look and feel: Metal them "Karsten Wutzke" <karsten.wutzke@THRWHITE.remove-dii-this> - 2011-04-27 15:36 +0000
    Re: Look and feel: Metal "Roedy Green" <roedy.green@THRWHITE.remove-dii-this> - 2011-04-27 15:36 +0000
    Re: Look and feel: Metal "Andrew Thompson" <andrew.thompson@THRWHITE.remove-dii-this> - 2011-04-27 15:36 +0000
    Re: Look and feel: Metal "Karsten Lentzsch" <karsten.lentzsch@THRWHITE.remove-dii-this> - 2011-04-27 15:36 +0000
      Re: Look and feel: Metal "Karsten Wutzke" <karsten.wutzke@THRWHITE.remove-dii-this> - 2011-04-27 15:36 +0000
        Re: Look and feel: Metal "Karsten Lentzsch" <karsten.lentzsch@THRWHITE.remove-dii-this> - 2011-04-27 15:36 +0000
      Re: Look and feel: Metal "Karsten Wutzke" <karsten.wutzke@THRWHITE.remove-dii-this> - 2011-04-27 15:36 +0000
        Re: Look and feel: Metal "IchBin" <ichbin@THRWHITE.remove-dii-this> - 2011-04-27 15:36 +0000

#1969 — Look and feel: Metal them

  To: comp.lang.java.gui
Hi all!

I am using a bunch of look and feels as displayed on www.javootoo.com.
However, some look and feels seem to change the MetalLookAndFeel
permanently. Anytime I instantiate a new MetalLookAndFeel object, the
changed colors from a previous LnF are still active.

Even setting a new DefaultMetalTheme() via
MetalLookAndFeel.setCurrentTheme before instantiating the LnF instance
doesn't seem to help. This also affects all LnF's that are based on
Metal, like JGoodies, Compiere, and others.

What's wrong? Does anyone know the magic of how to cure this? How?

Karsten

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#1970 — Re: Look and feel: Metal

  To: comp.lang.java.gui
On Fri, 06 Jul 2007 08:51:51 -0700, Karsten Wutzke <kwutzke@web.de>
wrote, quoted or indirectly quoted someone who said :

>I am using a bunch of look and feels as displayed on www.javootoo.com.
>However, some look and feels seem to change the MetalLookAndFeel
>permanently. Anytime I instantiate a new MetalLookAndFeel object, the
>changed colors from a previous LnF are still active.

What happens if you reboot?

Is there any chance thing info is being cached in a Java DLL?
--
Roedy Green Canadian Mind Products
The Java Glossary
http://mindprod.com

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#1974 — Re: Look and feel: Metal

  To: comp.lang.java.gui
Karsten Wutzke wrote:
..
>I am using a bunch of look and feels as displayed on www.javootoo.com.
>However, some look and feels seem to change the MetalLookAndFeel
>permanently. Anytime I instantiate a new MetalLookAndFeel object, the
>changed colors from a previous LnF are still active.

From vague memory, that is a bug in the ML&F.
Something to do with statics.  Ensure it never 
appears, and most of the other PLAF's should 
work just fine.

>...This also affects all LnF's that are based on
>Metal, like JGoodies, ...

Yes.  It while using JGoodies that I first noticed 
the problem.

-- 
Andrew Thompson
http://www.athompson.info/andrew/

Message posted via http://www.javakb.com

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#1975 — Re: Look and feel: Metal

  To: comp.lang.java.gui
Karsten Wutzke wrote:

I provide a demo with sources that shows how to properly
change the L&f and/or MetalTheme(-Extension) at runtime.
You can download the JGoodies Looks Demo for the binaries,
and find the switching code and theme implementations in
the JGoodies Looks sources.

There are a bunch of issues that the L&f provider must
take care of, as well as the developer that wants to switch
an L&f at runtime.

The L&f provider should use the proper store (AppContext based),
should change the UIDefault table at L&f-level, not user-level,
and must not store state in static variables - unless they are
properly invalidated on L&f and theme change.

When switching a theme or L&f, the developer must traverse
the component tree and all components that will be displayed
later but are not currently in the component tree. This can
be done by overriding the appropriate #updateUI methods.

To summarize, the costs to properly switch an L&f at runtime
are very high. Therefore I recommend to most developer to
choose an L&f at runtime, and use it when restarting the app.

-Karsten Lentzsch

> I am using a bunch of look and feels as displayed on www.javootoo.com.
> However, some look and feels seem to change the MetalLookAndFeel
> permanently. Anytime I instantiate a new MetalLookAndFeel object, the
> changed colors from a previous LnF are still active.
> 
> Even setting a new DefaultMetalTheme() via
> MetalLookAndFeel.setCurrentTheme before instantiating the LnF instance
> doesn't seem to help. This also affects all LnF's that are based on
> Metal, like JGoodies, Compiere, and others.
> 
> What's wrong? Does anyone know the magic of how to cure this? How?

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#1977 — Re: Look and feel: Metal

  To: comp.lang.java.gui
On 7 Jul., 17:58, Karsten Lentzsch <kars...@jgoodies.com> wrote:
> Karsten Wutzke wrote:
>
> I provide a demo with sources that shows how to properly
> change the L&f and/or MetalTheme(-Extension) at runtime.
> You can download the JGoodies Looks Demo for the binaries,
> and find the switching code and theme implementations in
> the JGoodies Looks sources.
>
> There are a bunch of issues that the L&f provider must
> take care of, as well as the developer that wants to switch
> an L&f at runtime.
>
> The L&f provider should use the proper store (AppContext based),
> should change the UIDefault table at L&f-level, not user-level,
> and must not store state in static variables - unless they are
> properly invalidated on L&f and theme change.
>
> When switching a theme or L&f, the developer must traverse
> the component tree and all components that will be displayed
> later but are not currently in the component tree. This can
> be done by overriding the appropriate #updateUI methods.
>
> To summarize, the costs to properly switch an L&f at runtime
> are very high. Therefore I recommend to most developer to
> choose an L&f at runtime, and use it when restarting the app.
>
> -Karsten Lentzsch
>
> > I am using a bunch of look and feels as displayed onwww.javootoo.com.
> > However, some look and feels seem to change the MetalLookAndFeel
> > permanently. Anytime I instantiate a new MetalLookAndFeel object, the
> > changed colors from a previous LnF are still active.
>
> > Even setting a new DefaultMetalTheme() via
> > MetalLookAndFeel.setCurrentTheme before instantiating the LnF instance
> > doesn't seem to help. This also affects all LnF's that are based on
> > Metal, like JGoodies, Compiere, and others.
>
> > What's wrong? Does anyone know the magic of how to cure this? How?

Have to take a look at it.

Got another one:

Do look and feels use the UIManager's UIDefaults class to store *new*
keys in it when switched to?

Karsten

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#1978 — Re: Look and feel: Metal

  To: comp.lang.java.gui
Karsten Wutzke wrote:

> [...]
> Got another one:
> 
> Do look and feels use the UIManager's UIDefaults class to store *new*
> keys in it when switched to?

L&fs store and retrieve data in the UIDefaults table.
There are no new and old values; each L&f can define
its own keys, types, and values - except the class default
that map names to UI delegates. However, many L&fs share
many keys.

-Karsten

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#1988 — Re: Look and feel: Metal

  To: comp.lang.java.gui
On 7 Jul., 17:58, Karsten Lentzsch <kars...@jgoodies.com> wrote:
> Karsten Wutzke wrote:
>
> I provide a demo with sources that shows how to properly
> change the L&f and/or MetalTheme(-Extension) at runtime.
> You can download the JGoodies Looks Demo for the binaries,
> and find the switching code and theme implementations in
> the JGoodies Looks sources.
>
snip
>
> -Karsten Lentzsch
>

Hmm I downloaded the sources but I could't find the code you mean. Can
you point me into the right direction or tell me the source file name?

Karsten

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#2007 — Re: Look and feel: Metal

  To: comp.lang.java.gui
Karsten Wutzke wrote:
> On 7 Jul., 17:58, Karsten Lentzsch <kars...@jgoodies.com> wrote:
>> Karsten Wutzke wrote:
>>
>> I provide a demo with sources that shows how to properly
>> change the L&f and/or MetalTheme(-Extension) at runtime.
>> You can download the JGoodies Looks Demo for the binaries,
>> and find the switching code and theme implementations in
>> the JGoodies Looks sources.
>>
> snip
>> -Karsten Lentzsch
>>
> 
> Hmm I downloaded the sources but I could't find the code you mean. Can
> you point me into the right direction or tell me the source file name?
> 
> Karsten
> 
Think Karsten is referring to:

package com.jgoodies.looks.demo.DemoFrame

-- 
Thanks in Advance...                           http://weconsulting.org
IchBin, Philadelphia, Pa, USA http://ichbinquotations.weconsulting.org
______________________________________________________________________
'If there is one, Knowledge is the "Fountain of Youth"'
-William E. Taylor, Regular Guy (1952-)

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