[ImageJ-devel] Please don't quit

[Lee Kamentsky]

Thanks, Curtis:

On Wed, Nov 5, 2014 at 12:33 PM, Curtis Rueden <ctrueden at wisc.edu> wrote:

> Hi Lee,
>
> So, there are two potential ways I would suggest to achieve your goal:
>
> 1) Set the OptionsMisc exitWhenQuitting to false. This is handy if you
> don't need a lot of control over exactly what happens when quit() is
> called, but you just want to stop the System.exit(0) from firing.
>
> I have code to do this, but in the upgrade to the latest, perhaps I'm not
running it and setting exitWhenQuitting to false.

> 2) Create a CellProfilerApp plugin and set it to a higher priority than
> ImageJ. This solution makes the most sense to me because it gives you more
> flexibility over the behavior of a couple other operations, too: about()
> and prefs().
>
It looks like I have to do this, because we don't want to lose the context.
I think that will work out OK.

>
>
> https://github.com/scijava/scijava-common/blob/scijava-common-2.35.0/src/main/java/org/scijava/app/App.java
>
> Regards,
> Curtis
>
> On Wed, Nov 5, 2014 at 10:23 AM, Lee Kamentsky <leek at broadinstitute.org>
> wrote:
>
>> Oops never mind, what I tried actually worked. AppQuitEvent.consume() did
>> the trick. Go figure - you guys really threw the whole kitchen sink into
>> it, didn't you?
>>
>> @Plugin(type = Service.class, priority = Priority.HIGH_PRIORITY)
>> public class CellProfilerAppService extends DefaultAppService {
>> static boolean canQuit = false;
>> public static void allowQuit() {
>> canQuit = true;
>> }
>> public static void preventQuit() {
>> canQuit = false;
>> }
>> @EventHandler
>> public void onEvent(final AppQuitEvent event) {
>> if (canQuit) {
>> super.onEvent(event);
>> } else {
>> final UIService uiService = getContext().getService(UIService.class);
>> final LogService logService = getContext().getService(LogService.class);
>> if (uiService.isVisible()) {
>> UserInterface ui = uiService.getDefaultUI();
>> logService.info("Quit action: hide the application frame");
>> ui.getApplicationFrame().setVisible(false);
>> } else {
>> logService.info("Quit action: do nothing");
>> }
>> event.consume();
>> }
>> }
>>
>> }
>>
>>
>> On Wed, Nov 5, 2014 at 11:15 AM, Lee Kamentsky <leek at broadinstitute.org>
>> wrote:
>>
>>> Hi all,
>>> I had a class (
>>> https://github.com/CellProfiler/CellProfiler/blob/master/java/src/main/java/org/cellprofiler/ijutils/CellProfilerAppEventService.java)
>>> that implemented the deprecated AppEventService whose purpose was to
>>> prevent ImageJ from quitting if a user closed its window by overriding
>>> AppEventService.quit(). Quitting is pretty devastating for CellProfiler
>>> since the process closes when the user's probable intent was to hide the
>>> window.
>>>
>>> I'm hoping someone can give me a hint about how to do it now - I thought
>>> I'd cheat by asking instead of figuring it out myself.
>>>
>>> Thanks in advance,
>>> --Lee
>>>
>>
>>
>> _______________________________________________
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>> ImageJ-devel at imagej.net
>> http://imagej.net/mailman/listinfo/imagej-devel
>>
>>
>
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