1 files changed, 78 insertions, 0 deletions
diff --git a/plugins/uml/diagram/org.eclipse.papyrus.uml.diagram.clazz/src/org/eclipse/papyrus/diagram/clazz/providers/UMLValidationProvider.java b/plugins/uml/diagram/org.eclipse.papyrus.uml.diagram.clazz/src/org/eclipse/papyrus/diagram/clazz/providers/UMLValidationProvider.java
new file mode 100644
index 00000000000..2976701e6b7
--- /dev/null
+++ b/plugins/uml/diagram/org.eclipse.papyrus.uml.diagram.clazz/src/org/eclipse/papyrus/diagram/clazz/providers/UMLValidationProvider.java
@@ -0,0 +1,78 @@
+/*****************************************************************************
+ * Copyright (c) 2010 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:
+ *  Patrick Tessier (CEA LIST) Patrick.tessier@cea.fr - Initial API and implementation
+ */
+package org.eclipse.papyrus.diagram.clazz.providers;
+
+import org.eclipse.emf.transaction.TransactionalEditingDomain;
+import org.eclipse.gmf.runtime.notation.View;
+import org.eclipse.papyrus.diagram.clazz.edit.parts.ModelEditPart;
+import org.eclipse.papyrus.diagram.clazz.part.UMLDiagramEditorPlugin;
+import org.eclipse.papyrus.diagram.clazz.part.UMLVisualIDRegistry;
+
+/**
+ * @generated
+ */
+public class UMLValidationProvider {
+
+	/**
+	 * @generated
+	 */
+	private static boolean constraintsActive = false;
+
+	/**
+	 * @generated
+	 */
+	public static boolean shouldConstraintsBePrivate() {
+		return false;
+	}
+
+	/**
+	 * @generated
+	 */
+	public static void runWithConstraints(TransactionalEditingDomain editingDomain, Runnable operation) {
+		final Runnable op = operation;
+		Runnable task = new Runnable() {
+
+			public void run() {
+				try {
+					constraintsActive = true;
+					op.run();
+				} finally {
+					constraintsActive = false;
+				}
+			}
+		};
+		if(editingDomain != null) {
+			try {
+				editingDomain.runExclusive(task);
+			} catch (Exception e) {
+				UMLDiagramEditorPlugin.getInstance().logError("Validation failed", e); //$NON-NLS-1$
+			}
+		} else {
+			task.run();
+		}
+	}
+
+	/**
+	 * @generated
+	 */
+	static boolean isInDefaultEditorContext(Object object) {
+		if(shouldConstraintsBePrivate() && !constraintsActive) {
+			return false;
+		}
+		if(object instanceof View) {
+			return constraintsActive && ModelEditPart.MODEL_ID.equals(UMLVisualIDRegistry.getModelID((View)object));
+		}
+		return true;
+	}
+
+}