TreeModelNode.java

/*******************************************************************************
 * Copyright (c) 2016 Weasis Team 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:
 *     Nicolas Roduit - initial API and implementation
 *******************************************************************************/
package org.weasis.core.api.explorer.model;

import org.weasis.core.api.media.data.TagView;
import org.weasis.core.api.media.data.TagW;

/**
 * A tree model node defines the type and the position of the node in TreeModelNode. An instance of TreeModelNode must
 * have only one position in TreeModel.
 *
 *
 */
public class TreeModelNode {
    public static final TreeModelNode ROOT = new TreeModelNode(0, 0, TagW.RootElement, null);

    private final int depth;
    private final int nodePosition;
    private final TagW tagElement;
    private final TagView tagView;

    public TreeModelNode(int depth, int nodePosition, TagW tagElement, TagView tagView) {
        if (tagElement == null) {
            throw new IllegalArgumentException("TagW is null"); //$NON-NLS-1$
        }
        this.depth = depth;
        this.nodePosition = nodePosition;
        this.tagElement = tagElement;
        this.tagView = tagView;
    }

    public int getDepth() {
        return depth;
    }

    public int getNodePosition() {
        return nodePosition;
    }

    public TagW getTagElement() {
        return tagElement;
    }

    public TagView getTagView() {
        return tagView;
    }

}