1 files changed, 69 insertions, 0 deletions
diff --git a/plugins/infra/services/org.eclipse.papyrus.infra.services.edit.ui/src/org/eclipse/papyrus/infra/services/edit/ui/databinding/AggregatedPapyrusObservableValue.java b/plugins/infra/services/org.eclipse.papyrus.infra.services.edit.ui/src/org/eclipse/papyrus/infra/services/edit/ui/databinding/AggregatedPapyrusObservableValue.java
new file mode 100644
index 00000000000..5410189303c
--- /dev/null
+++ b/plugins/infra/services/org.eclipse.papyrus.infra.services.edit.ui/src/org/eclipse/papyrus/infra/services/edit/ui/databinding/AggregatedPapyrusObservableValue.java
@@ -0,0 +1,69 @@
+/*****************************************************************************
+ * Copyright (c) 2011 CEA LIST.
+ *
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *  Camille Letavernier (CEA LIST) camille.letavernier@cea.fr - Initial API and implementation
+ *****************************************************************************/
+package org.eclipse.papyrus.infra.services.edit.ui.databinding;
+
+import java.util.LinkedList;
+import java.util.List;
+
+import org.eclipse.core.databinding.observable.IObservable;
+import org.eclipse.core.databinding.observable.value.IObservableValue;
+import org.eclipse.emf.common.command.CompoundCommand;
+import org.eclipse.emf.edit.domain.EditingDomain;
+import org.eclipse.papyrus.infra.tools.databinding.AggregatedObservable;
+import org.eclipse.papyrus.infra.tools.databinding.CommandBasedObservableValue;
+import org.eclipse.papyrus.infra.tools.databinding.MultipleObservableValue;
+
+
+public class AggregatedPapyrusObservableValue extends MultipleObservableValue {
+
+	private final List<CommandBasedObservableValue> observables = new LinkedList<CommandBasedObservableValue>();
+
+	private final EditingDomain domain;
+
+	public AggregatedPapyrusObservableValue(EditingDomain domain, IObservable... observableValues) {
+		this.domain = domain;
+		for (IObservable value : observableValues) {
+			if (aggregate(value) == null) {
+				throw new IllegalArgumentException("The input ObservableValues have an incorrect type"); //$NON-NLS-1$
+			}
+		}
+	}
+
+	@Override
+	public AggregatedObservable aggregate(IObservable observable) {
+		if (observable instanceof CommandBasedObservableValue) {
+			if (!observables.isEmpty()) {
+				Object valueType = observables.get(0).getValueType();
+				if (((IObservableValue) observable).getValueType() != valueType) {
+					return null;
+				}
+			}
+
+			observables.add((CommandBasedObservableValue) observable);
+			super.aggregate(observable);
+			return this;
+		}
+
+		return null; // TODO : maybe we can support some other types
+	}
+
+	@Override
+	public void doSetValue(Object value) {
+		CompoundCommand command = new CompoundCommand();
+		for (CommandBasedObservableValue observableValue : observables) {
+			command.append(observableValue.getCommand(value));
+		}
+		domain.getCommandStack().execute(command);
+	}
+
+
+}