1 files changed, 220 insertions, 0 deletions
diff --git a/plugins/uml/properties/org.eclipse.papyrus.uml.properties/src/org/eclipse/papyrus/uml/properties/databinding/UMLLabelObservableValue.java b/plugins/uml/properties/org.eclipse.papyrus.uml.properties/src/org/eclipse/papyrus/uml/properties/databinding/UMLLabelObservableValue.java
new file mode 100644
index 00000000000..796c7b995d5
--- /dev/null
+++ b/plugins/uml/properties/org.eclipse.papyrus.uml.properties/src/org/eclipse/papyrus/uml/properties/databinding/UMLLabelObservableValue.java
@@ -0,0 +1,220 @@
+/*****************************************************************************
+ * Copyright (c) 2016 CEA LIST and others.
+ * 
+ * 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:
+ *   Nicolas FAUVERGUE (ALL4TEC) nicolas.fauvergue@all4tec.net - Initial API and implementation
+ *   
+ *****************************************************************************/
+
+package org.eclipse.papyrus.uml.properties.databinding;
+
+import org.eclipse.core.databinding.observable.Diffs;
+import org.eclipse.core.databinding.observable.IObserving;
+import org.eclipse.core.databinding.observable.Realm;
+import org.eclipse.core.databinding.observable.value.AbstractObservableValue;
+import org.eclipse.core.databinding.observable.value.ValueDiff;
+import org.eclipse.emf.common.command.Command;
+import org.eclipse.emf.common.notify.Adapter;
+import org.eclipse.emf.common.notify.Notification;
+import org.eclipse.emf.common.notify.impl.AdapterImpl;
+import org.eclipse.emf.edit.domain.EditingDomain;
+import org.eclipse.papyrus.infra.internationalization.InternationalizationEntry;
+import org.eclipse.papyrus.infra.internationalization.InternationalizationPackage;
+import org.eclipse.papyrus.infra.internationalization.utils.utils.LabelInternationalizationUtils;
+import org.eclipse.papyrus.infra.tools.databinding.ReferenceCountedObservable;
+import org.eclipse.papyrus.uml.internationalization.utils.utils.UMLLabelInternationalization;
+import org.eclipse.papyrus.uml.properties.Activator;
+import org.eclipse.uml2.uml.NamedElement;
+import org.eclipse.uml2.uml.UMLPackage;
+
+/**
+ * The observable value for the label of the {@link NamedElement}.
+ */
+@SuppressWarnings("rawtypes")
+public class UMLLabelObservableValue extends AbstractObservableValue implements IObserving, ReferenceCountedObservable {
+
+	/**
+	 * The support reference counting on behalf of an {@code observable}.
+	 */
+	private final ReferenceCountedObservable.Support refCount = new ReferenceCountedObservable.Support(this);
+
+	/**
+	 * The object instance.
+	 */
+	protected NamedElement namedElement;
+
+	/**
+	 * The editing domain on which the commands will be executed.
+	 */
+	protected EditingDomain domain;
+
+	/**
+	 * The listener for the entry modification.
+	 */
+	protected Adapter listener;
+
+	/**
+	 * The internationalization entry corresponding to the named element.
+	 */
+	protected InternationalizationEntry entry;
+
+	/**
+	 * Constructor.
+	 *
+	 * @param eObject
+	 *            The object.
+	 * @param domain
+	 *            The editing domain.
+	 */
+	public UMLLabelObservableValue(final NamedElement namedElement, final EditingDomain domain) {
+		this(Realm.getDefault(), namedElement, domain);
+	}
+
+	/**
+	 * Constructor.
+	 *
+	 * @param realm
+	 *            The current Realm.
+	 * @param eObject
+	 *            The object.
+	 * @param domain
+	 *            The editing domain.
+	 */
+	public UMLLabelObservableValue(final Realm realm, final NamedElement namedElement, final EditingDomain domain) {
+		super(realm);
+		this.namedElement = namedElement;
+		this.domain = domain;
+		this.entry = LabelInternationalizationUtils.getInternationalizationEntry(namedElement, namedElement);
+	}
+
+	/**
+	 * {@inheritDoc}
+	 * 
+	 * @see org.eclipse.core.databinding.observable.AbstractObservable#dispose()
+	 */
+	@Override
+	public synchronized void dispose() {
+		if (null != listener) {
+			entry.eAdapters().remove(listener);
+			listener = null;
+		}
+
+		entry = null;
+		namedElement = null;
+		super.dispose();
+	}
+
+	/**
+	 * {@inheritDoc}
+	 * 
+	 * @see org.eclipse.core.databinding.observable.IObserving#getObserved()
+	 */
+	public Object getObserved() {
+		return namedElement;
+	}
+
+	/**
+	 * {@inheritDoc}
+	 * 
+	 * @see org.eclipse.core.databinding.observable.ChangeManager#firstListenerAdded()
+	 */
+	@Override
+	protected void firstListenerAdded() {
+		if (null != entry) {
+			if(null == listener){
+				listener = new AdapterImpl() {
+					@Override
+					public void notifyChanged(Notification notification) {
+						if (InternationalizationPackage.eINSTANCE.getInternationalizationEntry_Value() == notification.getFeature() && !notification.isTouch()) {
+							final ValueDiff diff = Diffs.createValueDiff(notification.getOldValue(), notification.getNewValue());
+							getRealm().exec(new Runnable() {
+								@SuppressWarnings("unchecked")
+								public void run() {
+									fireValueChange(diff);
+								}
+							});
+						}
+					}
+				};
+			}
+			entry.eAdapters().add(listener);
+		}
+	}
+
+	/**
+	 * {@inheritDoc}
+	 * 
+	 * @see org.eclipse.core.databinding.observable.value.AbstractObservableValue#doGetValue()
+	 */
+	@Override
+	protected Object doGetValue() {
+		return UMLLabelInternationalization.getInstance().getLabelWithoutUML(namedElement);
+	}
+
+	/**
+	 * {@inheritDoc}
+	 * 
+	 * @see org.eclipse.core.databinding.observable.value.AbstractObservableValue#doSetValue(java.lang.Object)
+	 */
+	@Override
+	protected void doSetValue(final Object value) {
+		try {
+			
+			// Remove the listener on entry
+			if(null != entry && null != listener){
+				entry.eAdapters().remove(listener);
+			}
+			
+			final Command emfCommand = UMLLabelInternationalization.getInstance().getSetLabelCommand(domain, namedElement, (String) value, null);
+			domain.getCommandStack().execute(emfCommand);
+			
+			// Get the entry after the modification and try to apply listener if possible
+			this.entry = LabelInternationalizationUtils.getInternationalizationEntry(namedElement, namedElement);
+			firstListenerAdded();
+		} catch (Exception ex) {
+			Activator.log.error(ex);
+		}
+	}
+
+	/**
+	 * {@inheritDoc}
+	 * 
+	 * @see org.eclipse.core.databinding.observable.value.IObservableValue#getValueType()
+	 */
+	public Object getValueType() {
+		return UMLPackage.eINSTANCE.getNamedElement__GetLabel();
+	}
+
+	/**
+	 * {@inheritDoc}
+	 * 
+	 * @see org.eclipse.papyrus.infra.tools.databinding.ReferenceCountedObservable#retain()
+	 */
+	public void retain() {
+		refCount.retain();
+	}
+
+	/**
+	 * {@inheritDoc}
+	 * 
+	 * @see org.eclipse.papyrus.infra.tools.databinding.ReferenceCountedObservable#release()
+	 */
+	public void release() {
+		refCount.release();
+	}
+
+	/**
+	 * {@inheritDoc}
+	 * 
+	 * @see org.eclipse.papyrus.infra.tools.databinding.ReferenceCountedObservable#autorelease()
+	 */
+	public void autorelease() {
+		refCount.autorelease();
+	}
+
+}
+\ No newline at end of file