1 files changed, 153 insertions, 0 deletions
diff --git a/plugins/uml/expressions/org.eclipse.papyrus.uml.expressions.edit/src/org/eclipse/papyrus/uml/expressions/edit/internal/providers/UMLLabelProvider.java b/plugins/uml/expressions/org.eclipse.papyrus.uml.expressions.edit/src/org/eclipse/papyrus/uml/expressions/edit/internal/providers/UMLLabelProvider.java
new file mode 100755
index 00000000000..232ca355ad1
--- /dev/null
+++ b/plugins/uml/expressions/org.eclipse.papyrus.uml.expressions.edit/src/org/eclipse/papyrus/uml/expressions/edit/internal/providers/UMLLabelProvider.java
@@ -0,0 +1,153 @@
+/*****************************************************************************
+ * Copyright (c) 2019 CEA LIST and others.
+ *
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License 2.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-2.0/
+ *
+ * SPDX-License-Identifier: EPL-2.0
+ *
+ * Contributors:
+ *   Vincent Lorenzo (CEA LIST) vincent.lorenzo@cea.fr - Initial API and implementation
+ *
+ *****************************************************************************/
+
+package org.eclipse.papyrus.uml.expressions.edit.internal.providers;
+
+import java.util.ArrayList;
+import java.util.Collection;
+
+import org.eclipse.emf.common.notify.Adapter;
+import org.eclipse.emf.common.notify.AdapterFactory;
+import org.eclipse.emf.ecore.ENamedElement;
+import org.eclipse.emf.ecore.EObject;
+import org.eclipse.emf.ecore.EPackage;
+import org.eclipse.emf.edit.provider.ComposedAdapterFactory;
+import org.eclipse.emf.edit.provider.ComposedAdapterFactory.Descriptor;
+import org.eclipse.emf.edit.provider.ComposedAdapterFactory.Descriptor.Registry;
+import org.eclipse.emf.edit.provider.IItemLabelProvider;
+import org.eclipse.emf.edit.ui.provider.ExtendedImageRegistry;
+import org.eclipse.jface.viewers.ILabelProvider;
+import org.eclipse.jface.viewers.ILabelProviderListener;
+import org.eclipse.swt.graphics.Image;
+import org.eclipse.uml2.uml.NamedElement;
+
+/**
+ * A label provider used to display Ecore name
+ */
+public class UMLLabelProvider implements ILabelProvider {
+
+	/**
+	 * @see org.eclipse.jface.viewers.IBaseLabelProvider#addListener(org.eclipse.jface.viewers.ILabelProviderListener)
+	 *
+	 * @param listener
+	 */
+	@Override
+	public void addListener(ILabelProviderListener listener) {
+		// nothing to do
+	}
+
+	/**
+	 * @see org.eclipse.jface.viewers.IBaseLabelProvider#dispose()
+	 *
+	 */
+	@Override
+	public void dispose() {
+		// nothing to do
+	}
+
+	/**
+	 * @see org.eclipse.jface.viewers.IBaseLabelProvider#isLabelProperty(java.lang.Object, java.lang.String)
+	 *
+	 * @param element
+	 * @param property
+	 * @return
+	 */
+	@Override
+	public boolean isLabelProperty(Object element, String property) {
+		// nothing to do
+		return false;
+	}
+
+	/**
+	 * @see org.eclipse.jface.viewers.IBaseLabelProvider#removeListener(org.eclipse.jface.viewers.ILabelProviderListener)
+	 *
+	 * @param listener
+	 */
+	@Override
+	public void removeListener(ILabelProviderListener listener) {
+		// nothing to do
+	}
+
+	/**
+	 * @see org.eclipse.jface.viewers.ILabelProvider#getImage(java.lang.Object)
+	 *
+	 * @param element
+	 * @return
+	 */
+	@Override
+	public Image getImage(Object element) {
+		if (element instanceof EObject) {
+			final IItemLabelProvider lp = getSubLabelProvider((EObject) element);
+			if (null != lp) {
+				Object im = lp.getImage(element);
+				im = ExtendedImageRegistry.INSTANCE.getImage(im);
+				if (im instanceof Image) {
+					return (Image) im;
+				}
+			}
+		}
+		return null;
+	}
+
+	/**
+	 * @see org.eclipse.jface.viewers.ILabelProvider#getText(java.lang.Object)
+	 *
+	 * @param element
+	 * @return
+	 */
+	@Override
+	public String getText(Object element) {
+		if (element instanceof String) {
+			return (String) element;
+		}
+		if (element instanceof NamedElement) {
+			return ((NamedElement) element).getName();
+		}
+		if (element instanceof EPackage) {
+			final EPackage pack = (EPackage) element;
+			final StringBuilder builder = new StringBuilder();
+			builder.append(pack.getName());
+			builder.append(" - "); //$NON-NLS-1$
+			builder.append(pack.getNsURI());
+			return builder.toString();
+		}
+		if (element instanceof ENamedElement) {
+			return ((ENamedElement) element).getName();
+		}
+		return ""; //$NON-NLS-1$
+	}
+
+	/**
+	 *
+	 * @param eobject
+	 *            an eobejct
+	 * @return
+	 *         the IITemLabelProvider declared for this EObject
+	 */
+	private IItemLabelProvider getSubLabelProvider(final EObject eobject) {
+		final Registry registry = ComposedAdapterFactory.Descriptor.Registry.INSTANCE;
+		final Collection<Object> types = new ArrayList<Object>();
+		types.add(eobject.eClass().getEPackage());
+		types.add(IItemLabelProvider.class);
+		final Descriptor descriptor = registry.getDescriptor(types);
+		final AdapterFactory adapterFactory = descriptor.createAdapterFactory();
+		final Adapter adapt = adapterFactory.adapt(eobject, IItemLabelProvider.class);
+		if (adapt instanceof IItemLabelProvider) {
+			return (IItemLabelProvider) adapt;
+		}
+		return null;
+	}
+
+}