/*****************************************************************************
 * Copyright (c) 2012 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.diagram.usecase.providers;

import org.eclipse.emf.transaction.TransactionalEditingDomain;
import org.eclipse.gmf.runtime.notation.View;
import org.eclipse.papyrus.uml.diagram.usecase.edit.parts.UseCaseDiagramEditPart;
import org.eclipse.papyrus.uml.diagram.usecase.part.UMLDiagramEditorPlugin;
import org.eclipse.papyrus.uml.diagram.usecase.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 && UseCaseDiagramEditPart.MODEL_ID.equals(UMLVisualIDRegistry.getModelID((View)object));
		}
		return true;
	}
}