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Date: Tue, 26 Jan 2010 13:39:46 -0500
Message-ID: <168ef9ac1001261039y4f3fefcha05a1d0ee5421f48@mail.gmail.com>
Subject: Re: Blocking while a dialog/prompt/alert/sheet is open, like
	Javascript's alert() ?
From: Todd Volkert <tvolkert@gmail.com>
To: user@pivot.apache.org
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Then, you'd be calling a UI method (dialog.open()) on a worker thread, which
isn't supported.  Not to mention which the cure seems worse than the disease
in this case...

-T

On Tue, Jan 26, 2010 at 1:28 PM, Clint Gilbert <
clint_gilbert@hms.harvard.edu> wrote:

> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
>
> Andreas Siegrist wrote:
> > It's impossible.
> > So you should keep the gui and your model+logic in seperate threads.
>
> What's the best way to do that?  Something naive like
>
> final Semaphore lock = new Semaphore(1);
>
> new Thread(new Runnable() {
>  @Override
>  public final void run() {
>    lock.acquire();
>    dialog.open(..., new DialogCloseListener() {
>       @Override
>      public void dialogClosed(Dialog arg0, boolean arg1) {
>        lock.release();
>      }
>     });
>  }
> }).start();
>
> lock.acquire();
>
> Doesn't work.
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>
> iEYEARECAAYFAktfNFUACgkQ5IyIbnMUeTsVIwCgkdUTbBOXN5gx18RA8X0hTyrn
> a1MAnRuP+zwcx/b8vpw4p7n5YCfelSGW
> =AggP
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Then, you&#39;d be calling a UI method (dialog.open()) on a worker thread, =
which isn&#39;t supported.=A0 Not to mention which the cure seems worse tha=
n the disease in this case...<br><br>-T<br><br><div class=3D"gmail_quote">O=
n Tue, Jan 26, 2010 at 1:28 PM, Clint Gilbert <span dir=3D"ltr">&lt;<a href=
=3D"mailto:clint_gilbert@hms.harvard.edu">clint_gilbert@hms.harvard.edu</a>=
&gt;</span> wrote:<br>
<blockquote class=3D"gmail_quote" style=3D"border-left: 1px solid rgb(204, =
204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;"><div class=3D"im"=
>-----BEGIN PGP SIGNED MESSAGE-----<br>
Hash: SHA1<br>
<br>
</div><div class=3D"im">Andreas Siegrist wrote:<br>
&gt; It&#39;s impossible.<br>
&gt; So you should keep the gui and your model+logic in seperate threads.<b=
r>
<br>
</div>What&#39;s the best way to do that? =A0Something naive like<br>
<br>
final Semaphore lock =3D new Semaphore(1);<br>
<br>
new Thread(new Runnable() {<br>
 =A0@Override<br>
 =A0public final void run() {<br>
 =A0 =A0lock.acquire();<br>
 =A0 =A0dialog.open(..., new DialogCloseListener() {<br>
<div class=3D"im"> =A0 =A0 =A0@Override<br>
 =A0 =A0 =A0public void dialogClosed(Dialog arg0, boolean arg1) {<br>
 =A0 =A0 =A0 =A0lock.release();<br>
 =A0 =A0 =A0}<br>
</div> =A0 =A0});<br>
 =A0}<br>
}).start();<br>
<br>
lock.acquire();<br>
<br>
Doesn&#39;t work.<br>
<div class=3D"im">-----BEGIN PGP SIGNATURE-----<br>
Version: GnuPG v1.4.9 (GNU/Linux)<br>
Comment: Using GnuPG with Mozilla - <a href=3D"http://enigmail.mozdev.org" =
target=3D"_blank">http://enigmail.mozdev.org</a><br>
<br>
</div>iEYEARECAAYFAktfNFUACgkQ5IyIbnMUeTsVIwCgkdUTbBOXN5gx18RA8X0hTyrn<br>
a1MAnRuP+zwcx/b8vpw4p7n5YCfelSGW<br>
=3DAggP<br>
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</blockquote></div><br>

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