Warn the user upon closing with unsaved changes

openlcb / OpenLCB_Java

A git-managed copy of the SVN-based Java prototype implementation of OpenLCB. This implementation operates inside JMRI.

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Warn the user upon closing with unsaved changes #178

Closed balazsracz closed 3 years ago

balazsracz commented 3 years ago

Adds a warning dialog when a CDI window is closed with unsaved settings.

Misc changes:

cleans up how the save button enabled/disabled is handled
makes the collapsible panel header be bold font
cleans up some whitespace

Code contributed by Pete Cressman

coveralls commented 3 years ago

Coverage decreased (-0.8%) to 70.9% when pulling d30dbcbf7c62108bad5c5e356767582a435fa9ae on pcOpenLcbCdiPanelUpgrade into bb332966bd268e5693dc45065161f66639887289 on master.