Properties: Enable binding positive+zero integers

Issue-Ref: 3822
Issue-Url: https://af3-developer.fortiss.org/issues/3822

Signed-off-by: Alexander Diewald <diewald@fortiss.org>

org.fortiss.tooling.kernel.ui/src/org/fortiss/tooling/kernel/ui/extension/base/.ratings

@@ -10,7 +10,7 @@ ModelEditorBindingBase.java 4c5ac569c0b6e7678fc8191096b26dfd09fdcb98 GREEN
 ModelElementHandlerBase.java 384727748f125c9d43f19d9c0eba4ba1be5a7a26 GREEN
 MultiEObjectActionBase.java 9e237d8ea640c4194e4877af4a9cfce88698e543 GREEN
 NamedCommentedModelElementHandlerBase.java 681b98b50b362f01abb7a36f108f4f11b9e51829 GREEN
-PropertySectionBase.java 7b893ca28d86a415d9fc7a818e65c04ed244e896 GREEN
+PropertySectionBase.java 20fb1daea544123ea941743aafeb9ac59daf5356 YELLOW
 TutorialStepUIAtomicBase.java cea2a158158b476de2108d2309afcf47f217b6d9 GREEN
 TutorialStepUIAtomicWithWhitelistBase.java a9788ae514f62d27169c737ef59fb583234b5d43 GREEN
 TutorialStepUICompositeBase.java 8225210eacb5b88de47d78280c5819f572f00ffa GREEN

org.fortiss.tooling.kernel.ui/src/org/fortiss/tooling/kernel/ui/extension/base/PropertySectionBase.java

@@ -25,6 +25,7 @@ import static org.eclipse.core.databinding.conversion.StringToNumberConverter.to
 import static org.fortiss.tooling.kernel.ui.databinding.FloatValidator.FLOAT_VALIDATOR;
 import static org.fortiss.tooling.kernel.ui.databinding.IntValidator.INT_VALIDATOR;
 import static org.fortiss.tooling.kernel.ui.databinding.NumberPositiveValidator.NUMBER_POSITIVE_VALIDATOR;
+import static org.fortiss.tooling.kernel.ui.databinding.NumberPositiveZeroValidator.NUMBER_POSITIVE_ZERO_VALIDATOR;
 import static org.fortiss.tooling.kernel.ui.util.DataBindingUtils.DECORATION_KEY;
 import static org.fortiss.tooling.kernel.ui.util.DataBindingUtils.performComplexTextBinding;
 import static org.fortiss.tooling.kernel.ui.util.WidgetsFactory.createTextWithUndo;
@@ -448,6 +449,11 @@ public abstract class PropertySectionBase extends AbstractPropertySection {
 		bindIntegerValue(text, observedValue, NUMBER_POSITIVE_VALIDATOR);
 	}
 
+	/** Binds a positive or zero integer value. */
+	protected void bindPositiveOrZeroIntegerValue(Control text, IObservableValue<?> observedValue) {
+		bindIntegerValue(text, observedValue, NUMBER_POSITIVE_ZERO_VALIDATOR);
+	}
+
 	/** Binds a integer value. */
 	protected void bindIntegerValue(Control text, IObservableValue<?> observedValue,
 			IValidator numberValidator) {