Author: adietish Date: 2012-09-27 10:28:58 -0400 (Thu, 27 Sep 2012) New Revision: 44092 Modified: trunk/common/plugins/org.jboss.tools.common.ui/src/org/jboss/tools/common/ui/databinding/DataBindingUtils.java Log: added DataBindingUtils#observeAndPrintValidationState to ease tracking of validation related bugs Modified: trunk/common/plugins/org.jboss.tools.common.ui/src/org/jboss/tools/common/ui/databinding/DataBindingUtils.java =================================================================== --- trunk/common/plugins/org.jboss.tools.common.ui/src/org/jboss/tools/common/ui/databinding/DataBindingUtils.java 2012-09-27 12:29:29 UTC (rev 44091) +++ trunk/common/plugins/org.jboss.tools.common.ui/src/org/jboss/tools/common/ui/databinding/DataBindingUtils.java 2012-09-27 14:28:58 UTC (rev 44092) @@ -18,6 +18,8 @@ import org.eclipse.core.databinding.beans.BeanProperties; import org.eclipse.core.databinding.observable.IObservableCollection; import org.eclipse.core.databinding.observable.list.WritableList; +import org.eclipse.core.databinding.observable.value.IValueChangeListener; +import org.eclipse.core.databinding.observable.value.ValueChangeEvent; import org.eclipse.core.runtime.IStatus; import org.eclipse.jface.databinding.fieldassist.ControlDecorationSupport; import org.eclipse.jface.databinding.swt.WidgetProperties; @@ -131,4 +133,26 @@ return binding; } + /** + * Observe and print validation state changes. Utility method to ease bug + * tracking. + * + * @param label the label to use when printing validation state changes + * @param dbc the databinding context to observe for validation changes + */ + public static void observeAndPrintValidationState(final String label, DataBindingContext dbc) { + AggregateValidationStatus status = new AggregateValidationStatus(dbc, AggregateValidationStatus.MAX_SEVERITY); + status.addValueChangeListener(new IValueChangeListener() { + + @Override + public void handleValueChange(ValueChangeEvent event) { + System.err.println("------------------------"); + System.err.println(label); + System.err.println("------------------------"); + System.err.println(event.diff.getNewValue()); + System.err.println("------------------------"); + } + }); + } + }