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Re: [nebula-dev] NullPointerException with CDateTime (new in 2.4)
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On Thu, Jul 16, 2020 at 9:31 AM Matthias Paul Scholz <matthias.paul.scholz@xxxxxxxxx> wrote:
Why, certainly.
Just drop me a note when it's available. 

Am Do., 16. Juli 2020 um 09:21 Uhr schrieb Wim Jongman <wim.jongman@xxxxxxxxx>:
Sure! Matthias, maybe you can take the snapshot release for a spin?

Cheers,

Wim

On Wed, Jul 15, 2020 at 11:16 PM Laurent Caron <laurent.caron@xxxxxxxxx> wrote:
Good Evening,

I'm sorry for the problems found. I've created a bug (https://bugs.eclipse.org/bugs/show_bug.cgi?id=565249) and fixed the exception.

Wim, do you think we can create a V2.4.2 release ?

Matthias, for the CLOCK_DISCRETE problem, can you please fill a bug (https://bugs.eclipse.org/bugs/enter_bug.cgi?product=Nebula) and post a sample code.

Regards,

Laurent

Le mer. 15 juil. 2020 à 16:42, Matthias Paul Scholz <matthias.paul.scholz@xxxxxxxxx> a écrit :
Hi, thanks for the patch release (2.4.1).

I tried it with our application.
Good news: the NPE in the CDateTime widget from 2.4.0 is fixed.
Bad news: another NPE occurs  in the CDateTime widget now when configuring the fore ground color for the minutes in the picker (using the CSS-property "cdt-picker-minutes-color"):

java.lang.NullPointerException: null
at org.eclipse.nebula.widgets.cdatetime.CDateTime.setPickerMinutesColor(CDateTime.java:2404) ~[org.eclipse.nebula.widgets.cdatetime_1.4.0.202007101949.jar:na]
at org.eclipse.nebula.widgets.cdatetime.css.CDateTimePropertyHandler.applyCSSProperty(CDateTimePropertyHandler.java:100) ~[org.eclipse.nebula.widgets.cdatetime.css_1.4.0.202007101949.jar:na]
at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyCSSProperty(AbstractCSSEngine.java:726) ~[org.eclipse.e4.ui.css.core_0.12.700.v20190513-2118.jar:na]

Looks like there are usages of the picker instance still in the class that are not checked for null...

Best,
  MP

P.S. Besides, should setting CDT.CLOCK_DISCRETE flag in the CDateTime widget work in 2.4.1?
Regardless whether it is set in the constructor or not, I always get the analog clock.

Am Do., 9. Juli 2020 um 22:58 Uhr schrieb Wim Jongman <wim.jongman@xxxxxxxxx>:
Hi Matthias,

We (Laurent) already fixed this. I will make an intermediate 2.4.1 release for this issue ASAP.

In the meantime you may use the snapshot build.

Cheers,

Wim

On Thu, Jul 9, 2020, 4:51 PM Matthias Paul Scholz <matthias.paul.scholz@xxxxxxxxx> wrote:
Thanks for the new release and in particular  the theming support for various widgets!

Sadly, when switching to the 2.4 in our application (without changing any code)  I instantly ran into a NullPointerException  in the CDateTime widget.

Creating a CDateTime with 

new CDateTime(parent, getStyle() | CDT.DROP_DOWN  | CDT.DATE_MEDIUM | CDT.TIME_MEDIUM | CDT.CLOCK_DISCRETE);

(which worked with 2.3) led to 

 java.lang.NullPointerException
at org.eclipse.nebula.widgets.cdatetime.CDateTime.setBackground(CDateTime.java:2245)
at org.eclipse.e4.ui.css.swt.helpers.CSSSWTColorHelper.setBackground(CSSSWTColorHelper.java:360)
at org.eclipse.e4.ui.css.swt.properties.css2.CSSPropertyBackgroundSWTHandler.applyCSSPropertyBackgroundColor(CSSPropertyBackgroundSWTHandler.java:80)
 
Looks like the picker instance is always null when not using CDT.SIMPLE ...

Best,
  MP
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