/*

 *

 * Copyright (c) 2007, 2019, Oracle and/or its affiliates. All rights reserved.

 *

 * Redistribution and use in source and binary forms, with or without

 * modification, are permitted provided that the following conditions

 * are met:

 *

 *   - Redistributions of source code must retain the above copyright

 *     notice, this list of conditions and the following disclaimer.

 *

 *   - Redistributions in binary form must reproduce the above copyright

 *     notice, this list of conditions and the following disclaimer in the

 *     documentation and/or other materials provided with the distribution.

 *

 *   - Neither the name of Oracle nor the names of its

 *     contributors may be used to endorse or promote products derived

 *     from this software without specific prior written permission.

 *

 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS

 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,

 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR

 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR

 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,

 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,

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 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

 */

import javax.swing.*;

import javax.swing.event.*;

import javax.swing.tree.*;

import javax.accessibility.*;

import java.awt.*;

import java.awt.event.*;

import java.beans.*;

import java.util.*;

import java.io.*;

import java.applet.*;

import java.net.*;

/**

 * JTree Demo

 *

 * @author Jeff Dinkins

 */

public class TreeDemo extends DemoModule {

    JTree tree;

    /**

     * main method allows us to run as a standalone demo.

     */

    public static void main(String[] args) {

        TreeDemo demo = new TreeDemo(null);

        demo.mainImpl();

    }

    /**

     * TreeDemo Constructor

     */

    public TreeDemo(SwingSet2 swingset) {

        // Set the title for this demo, and an icon used to represent this

        // demo inside the SwingSet2 app.

        super(swingset, "TreeDemo", "toolbar/JTree.gif");

        getDemoPanel().add(createTree(), BorderLayout.CENTER);

    }

    public JScrollPane createTree() {

        DefaultMutableTreeNode top = new DefaultMutableTreeNode(getString("TreeDemo.music"));

        DefaultMutableTreeNode category = null;

        DefaultMutableTreeNode artist = null;

        DefaultMutableTreeNode record = null;

        // open tree data

        URL url = getClass().getResource("/resources/tree.txt");

        try {

            // convert url to buffered string

            InputStream is = url.openStream();

            InputStreamReader isr = new InputStreamReader(is, "UTF-8");

            BufferedReader reader = new BufferedReader(isr);

            // read one line at a time, put into tree

            String line = reader.readLine();

            while(line != null) {

                // System.out.println("reading in: ->" + line + "<-");

                char linetype = line.charAt(0);

                switch(linetype) {

                   case 'C':

                     category = new DefaultMutableTreeNode(line.substring(2));

                     top.add(category);

                     break;

                   case 'A':

                     if(category != null) {

                         category.add(artist = new DefaultMutableTreeNode(line.substring(2)));

                     }

                     break;

                   case 'R':

                     if(artist != null) {

                         artist.add(record = new DefaultMutableTreeNode(line.substring(2)));

                     }

                     break;

                   case 'S':

                     if(record != null) {

                         record.add(new DefaultMutableTreeNode(line.substring(2)));

                     }

                     break;

                   default:

                     break;

                }

                line = reader.readLine();

            }

        } catch (IOException e) {

        }

        tree = new JTree(top) {

            public Insets getInsets() {

                return new Insets(5,5,5,5);

            }

        };

        tree.setEditable(true);

        return new JScrollPane(tree);

    }

    void updateDragEnabled(boolean dragEnabled) {

        tree.setDragEnabled(dragEnabled);

    }

}