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JSF components and utilities that can be used with any JSF implementation. This library is based on the JSF1.1 version of Tomahawk, but with minor source code and build changes to take advantage of JSF1.2 features. A JSF1.2 implementation is required to use this version of the Tomahawk library.

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/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

package org.apache.myfaces.custom.tree2;

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

public class TreeNodeBase implements TreeNode, Comparable
{
    private static final long serialVersionUID = 278589014441538822L;
    private List children = new ArrayList();
    private String type;
    private String description;
    private boolean leaf;
    private String identifier;

    public TreeNodeBase()
    {}

    public TreeNodeBase(String type, String description, boolean leaf)
    {
        this(type, description, null, leaf);
    }

    public TreeNodeBase(String type, String description, String identifier, boolean leaf)
    {
        this.type = type;
        this.description = description;
        this.identifier = identifier;
        this.leaf = leaf;
    }

    public boolean isLeaf()
    {
        return leaf || (getChildCount() == 0);
    }

    public void setLeaf(boolean leaf)
    {
        this.leaf = leaf;
    }

    public List getChildren()
    {
        return children;
    }

    public String getType()
    {
        return type;
    }

    public void setType(String type)
    {
        this.type = type;
    }

    public void setDescription(String description)
    {
        this.description = description;
    }

    public String getDescription()
    {
        return description;
    }

    public void setIdentifier(String identifier)
    {
        this.identifier = identifier;
    }

    public String getIdentifier()
    {
        return identifier;
    }

    public int getChildCount()
    {
        return getChildren().size();
    }

    public int compareTo(Object obj)
    {
        // branches come before leaves, after this criteria nodes are sorted alphabetically
        TreeNode otherNode = (TreeNode)obj;

        if (isLeaf() && !otherNode.isLeaf())
        {
            // leaves come after branches
            return 1;
        }
        else if (!isLeaf() && otherNode.isLeaf())
        {
            // branches come before leaves
            return -1;
        }
        else
        {
            // both nodes are leaves or both node are branches, so compare the descriptions
            return getDescription().compareTo(otherNode.getDescription());
        }
    }
}