D27395: KCM/ComponentChooser Treat cases when there is no app for a usage

[Méven Car]

meven added inline comments.

INLINE COMMENTS

> crossi wrote in componentchooseremail.cpp:154
> While you are here, can you had a check on this pointer. I don't understand why there is one below but not here.

I would rather do the opposite the check below is for historical reasons from before my refactoring.

> crossi wrote in componentchooserfilemanager.cpp:117
> I would have kept this test that is more clearer than `if (currentIndex() == count() - 1) {}` if you confirm it works the same.

It would test twice the same thing : only the last value in the combobox can have an empty currendData.
I'd rather have the same combo accross the CfoPlugin.

REPOSITORY
  R119 Plasma Desktop

REVISION DETAIL
  https://phabricator.kde.org/D27395

To: meven, bport, ervin, crossi
Cc: plasma-devel, Orage, LeGast00n, The-Feren-OS-Dev, cblack, jraleigh, zachus, fbampaloukas, GB_2, ragreen, ZrenBot, ngraham, alexeymin, himcesjf, lesliezhai, ali-mohamed, jensreuterberg, abetts, sebas, apol, ahiemstra, mart
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