/*
 * Copyright (c) 2006, 2007 Borland Software Corporation.
 *  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:
 *      Richard Gronback (Borland) - initial API and implementation
 */
package org.eclipse.gmf.examples.mindmap.diagram.edit.policies;

import java.util.Iterator;

import org.eclipse.emf.ecore.EAnnotation;
import org.eclipse.gef.commands.Command;
import org.eclipse.gef.commands.CompoundCommand;
import org.eclipse.gmf.examples.mindmap.diagram.edit.parts.ThreadItemEditPart;
import org.eclipse.gmf.examples.mindmap.diagram.edit.parts.ThreadThreadItemCompartmentEditPart;
import org.eclipse.gmf.examples.mindmap.diagram.part.MindmapVisualIDRegistry;
import org.eclipse.gmf.runtime.emf.type.core.commands.DestroyElementCommand;
import org.eclipse.gmf.runtime.emf.type.core.requests.DestroyElementRequest;
import org.eclipse.gmf.runtime.notation.Node;
import org.eclipse.gmf.runtime.notation.View;

/**
 * @generated
 */
public class ThreadItemSemanticEditPolicy extends
		MindmapBaseItemSemanticEditPolicy {

	/**
	 * @generated
	 */
	protected Command getDestroyElementCommand(DestroyElementRequest req) {
		CompoundCommand cc = getDestroyEdgesCommand();
		addDestroyChildNodesCommand(cc);
		addDestroyShortcutsCommand(cc);
		cc.add(getGEFWrapper(new DestroyElementCommand(req)));
		return cc.unwrap();
	}

	/**
	 * @generated
	 */
	protected void addDestroyChildNodesCommand(CompoundCommand cmd) {
		View view = (View) getHost().getModel();
		EAnnotation annotation = view.getEAnnotation("Shortcut"); //$NON-NLS-1$
		if (annotation != null) {
			return;
		}
		for (Iterator it = view.getChildren().iterator(); it.hasNext();) {
			Node node = (Node) it.next();
			switch (MindmapVisualIDRegistry.getVisualID(node)) {
			case ThreadThreadItemCompartmentEditPart.VISUAL_ID:
				for (Iterator cit = node.getChildren().iterator(); cit
						.hasNext();) {
					Node cnode = (Node) cit.next();
					switch (MindmapVisualIDRegistry.getVisualID(cnode)) {
					case ThreadItemEditPart.VISUAL_ID:
						cmd.add(getDestroyElementCommand(cnode));
						break;
					}
				}
				break;
			}
		}
	}

}