From b8b97a6a0e2c4a557145befa1e08c7e57a9a85ee Mon Sep 17 00:00:00 2001
From: acuccuru
Date: Thu, 19 Dec 2013 14:41:44 +0100
Subject: First commit

---
 .../uml/compare/ui/provider/SampleUMLProvider.java | 86 ++++++++++++++++++++++
 1 file changed, 86 insertions(+)
 create mode 100644 extraplugins/uml/compare/org.eclipse.papyrus.uml.compare.ui/src/org/eclipse/papyrus/uml/compare/ui/provider/SampleUMLProvider.java

(limited to 'extraplugins')

diff --git a/extraplugins/uml/compare/org.eclipse.papyrus.uml.compare.ui/src/org/eclipse/papyrus/uml/compare/ui/provider/SampleUMLProvider.java b/extraplugins/uml/compare/org.eclipse.papyrus.uml.compare.ui/src/org/eclipse/papyrus/uml/compare/ui/provider/SampleUMLProvider.java
new file mode 100644
index 00000000000..2cd609d7e36
--- /dev/null
+++ b/extraplugins/uml/compare/org.eclipse.papyrus.uml.compare.ui/src/org/eclipse/papyrus/uml/compare/ui/provider/SampleUMLProvider.java
@@ -0,0 +1,86 @@
+/*****************************************************************************
+ * Copyright (c) 2013 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:
+ *  CEA LIST - Initial API and implementation
+ *
+ *****************************************************************************/
+
+package org.eclipse.papyrus.uml.compare.ui.provider;
+
+import org.eclipse.emf.common.notify.Adapter;
+import org.eclipse.emf.common.notify.AdapterFactory;
+import org.eclipse.emf.common.notify.Notifier;
+import org.eclipse.emf.common.notify.impl.AdapterFactoryImpl;
+import org.eclipse.emf.common.notify.impl.AdapterImpl;
+import org.eclipse.emf.edit.provider.IItemLabelProvider;
+import org.eclipse.papyrus.infra.services.labelprovider.service.LabelProviderService;
+import org.eclipse.papyrus.infra.services.labelprovider.service.impl.LabelProviderServiceImpl;
+import org.eclipse.uml2.uml.edit.providers.UMLItemProviderAdapterFactory;
+import org.eclipse.uml2.uml.Element;
+
+
+
+public class SampleUMLProvider extends AdapterFactoryImpl {
+
+	/**
+	 * The instance of the actual label provider
+	 */
+	private LabelProviderAdapter instance = new LabelProviderAdapter();
+	
+	/**
+	 * The UMLItemProviderAdapterFactory to which production of IItemLabelProvider
+	 * is delegated 
+	 */
+	private AdapterFactory delegate = new UMLItemProviderAdapterFactory();
+	
+	/** 
+	 * Overrides AdapatFactoryImple.adapt so that, if the target element is an Element,
+	 * and if the requested adaptation type is IItemLabelProvider,
+	 * the production of the adapter is delegated to delegate.
+	 * 
+	 * @see org.eclipse.emf.common.notify.impl.AdapterFactoryImpl#adapt(org.eclipse.emf.common.notify.Notifier, java.lang.Object)
+	 */
+	@Override
+	public Adapter adapt(Notifier target, Object type) {
+		// Test on instance.isRunning to avoid a stack overflow
+		// Delegate to UML Item Label Provider
+		if (target instanceof Element && type == IItemLabelProvider.class){
+			if (! instance.isRunning){
+				return instance;
+			} else {
+				return delegate.adapt(target, type);
+			}
+		}
+		// FIXME Propose a more generic solution? (not bound directly to UML)
+		return super.adapt(target, type);
+	}
+	
+	private class LabelProviderAdapter extends AdapterImpl implements IItemLabelProvider {
+
+		private boolean isRunning = false;
+		
+		private LabelProviderService service = new LabelProviderServiceImpl();
+		
+		public String getText(Object object) {
+			isRunning = true;
+			String result = service.getLabelProvider().getText(object);
+			isRunning = false;
+			return result;
+		}
+
+		public Object getImage(Object object) {
+			isRunning = true;
+			Object result = service.getLabelProvider().getImage(object);
+			isRunning = false;
+			return result;
+		}
+		
+	};
+}
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