InlineFlowState.java

/*******************************************************************************
 * Copyright (c) 2007 Spring IDE Developers
 * 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:
 *     Spring IDE Developers - initial API and implementation
 *******************************************************************************/
package org.springframework.ide.eclipse.webflow.core.internal.model;

import java.util.ArrayList;
import java.util.List;

import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.wst.xml.core.internal.provisional.document.IDOMNode;
import org.springframework.ide.eclipse.core.model.IModelElement;
import org.springframework.ide.eclipse.core.model.IModelElementVisitor;
import org.springframework.ide.eclipse.webflow.core.model.IInlineFlowState;
import org.springframework.ide.eclipse.webflow.core.model.IWebflowConfig;
import org.springframework.ide.eclipse.webflow.core.model.IWebflowModelElement;
import org.springframework.ide.eclipse.webflow.core.model.IWebflowState;
import org.w3c.dom.NodeList;

/**
 * @author Christian Dupuis
 * @since 2.0
 */
@SuppressWarnings("restriction")
public class InlineFlowState extends AbstractState implements IInlineFlowState {

	private IWebflowState state;

	@Override
	public void init(IDOMNode node, IWebflowModelElement parent) {
		super.init(node, parent);

		NodeList children = node.getChildNodes();
		if (children != null && children.getLength() > 0) {
			for (int i = 0; i < children.getLength(); i++) {
				IDOMNode child = (IDOMNode) children.item(i);
				if ("flow".equals(child.getLocalName())) {
					state = new WebflowState((IWebflowConfig) parent
							.getElementParent());
					state.init(child, this);
				}
			}
		}
	}

	public IWebflowState getWebFlowState() {
		return this.state;
	}

	public void createNew(IWebflowState parent) {
		IDOMNode node = (IDOMNode) parent.getNode().getOwnerDocument()
				.createElement("inline-flow");
		init(node, parent);
	}

	public void accept(IModelElementVisitor visitor, IProgressMonitor monitor) {
		if (!monitor.isCanceled() && visitor.visit(this, monitor)) {
			getWebFlowState().accept(visitor, monitor);
		}
	}

	public IModelElement[] getElementChildren() {
		List<IModelElement> children = new ArrayList<IModelElement>();
		children.add(getWebFlowState());
		return children.toArray(new IModelElement[children.size()]);
	}
}