//------------------------------------------------------------------------------
// Copyright (c) 2005, 2007 IBM Corporation 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:
// IBM Corporation - initial implementation
//------------------------------------------------------------------------------
package org.eclipse.epf.diagram.wpdd.edit.parts;

import org.eclipse.gmf.runtime.diagram.ui.editpolicies.EditPolicyRoles;
import org.eclipse.gmf.runtime.notation.Node;
import org.eclipse.gmf.runtime.notation.NotationPackage;
import org.eclipse.gmf.runtime.notation.View;
import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.epf.diagram.core.part.util.DiagramEditorUtil;
import org.eclipse.epf.diagram.wpdd.edit.policies.WorkProductDependencyDiagramCanonicalEditPolicy;
import org.eclipse.epf.diagram.wpdd.edit.policies.WorkProductDependencyDiagramItemSemanticEditPolicy;

import org.eclipse.gmf.runtime.diagram.ui.editparts.DiagramEditPart;

/**
 * @generated
 */
public class WorkProductDependencyDiagramEditPart extends DiagramEditPart {

	/**
	 * @generated
	 */
	public static final String MODEL_ID = "WPDD"; //$NON-NLS-1$

	/**
	 * @generated
	 */
	public static final int VISUAL_ID = 79;

	/**
	 * @generated
	 */
	public WorkProductDependencyDiagramEditPart(View view) {
		super(view);
	}

	/**
	 * @generated
	 */
	protected void createDefaultEditPolicies() {
		super.createDefaultEditPolicies();
		installEditPolicy(EditPolicyRoles.SEMANTIC_ROLE,
				new WorkProductDependencyDiagramItemSemanticEditPolicy());
		installEditPolicy(EditPolicyRoles.CANONICAL_ROLE,
				new WorkProductDependencyDiagramCanonicalEditPolicy());
	}

	@Override
	protected void handleNotificationEvent(Notification event) {
		if (NotationPackage.Literals.VIEW__VISIBLE.equals(event.getFeature())) {
			Object notifier = event.getNotifier();
			if (notifier == getModel())
				refreshVisibility();
			else if (event.getNotifier() instanceof Node) {
				refreshChildren();
				DiagramEditorUtil.refreshConnectionEditParts(this);
			}
		} else
			super.handleNotificationEvent(event);
	}
	
	@Override
	public void activate() {
		super.activate();
		Object model = getModel();
		if (model instanceof View) {
			EObject e = ((View) model).getElement();
			if (e instanceof org.eclipse.epf.diagram.model.Node) {
				((org.eclipse.epf.diagram.model.Node) e).addConsumer(this);
			}
		}
	}
	
	@Override
	public void deactivate() {
		super.deactivate();
		Object model = getModel();
		if (model instanceof View) {
			EObject e = ((View) model).getElement();
			if (e instanceof org.eclipse.epf.diagram.model.Node) {
				((org.eclipse.epf.diagram.model.Node) e).removeConsumer(this);
			}
		}
	}

}