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Java library to read, modify or create Rational Rose petal files
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/**
 * Copyright (c) 2001 Markus Dahm
 * Copyright (C) 2015-2018 BITPlan GmbH http://www.bitplan.com
 *
 * This source is part of
 * https://github.com/BITPlan/CrazyBeans
 * and the license as outlined there applies
 */
package cb.petaltools;

import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.util.Map;

import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTree;

import cb.parser.PathMap;
import cb.parser.PetalParser;
import cb.petal.PetalFile;
import cb.util.PetalTree;

/**
 * show a tree view of the given petal file
 * 
 * @author wf
 *
 */
public class PetalTreeView {

  private PetalParser parser;
  private JFrame frame;

  /**
   * @return the parser
   */
  public PetalParser getParser() {
    return parser;
  }

  /**
   * @return the frame
   */
  public JFrame getFrame() {
    return frame;
  }

  /**
   * show the tree view for the given model FileName
   * 
   * @param modelFileName
   * @throws InterruptedException
   */
  public void showTree(String modelFileName) throws InterruptedException {
    showTree(modelFileName,null);
  }
  
  /**
   * show the tree with an optional path map
   * @param modelFileName
   * @param pathMap
   * @throws InterruptedException 
   */
  public void showTree(String modelFileName,
     PathMap pathMap) throws InterruptedException {
    parser = PetalParser.createParser(modelFileName);
    if (pathMap!=null)
      parser.setPathMap(pathMap);
    PetalFile tree = parser.parse();
    showTree(tree, null);  
  }

  /**
   * show the given Tree
   * 
   * @param tree
   *          - the tree to view
   * @param lock
   *          - the Object to lock with (if any)
   * @throws InterruptedException
   */
  public void showTree(PetalFile tree, Object lock)
      throws InterruptedException {
    JTree jtree = new PetalTree(tree);
    frame = new JFrame();
    frame.setTitle(tree.getModelName());
    JPanel panel = new JPanel();
    panel.setLayout(new java.awt.BorderLayout());
    frame.setContentPane(panel);

    JScrollPane scroll = new JScrollPane();
    scroll.setPreferredSize(new java.awt.Dimension(400, 500));
    scroll.setViewportView(jtree);

    panel.add(scroll, java.awt.BorderLayout.CENTER);
    frame.setDefaultCloseOperation(JFrame.HIDE_ON_CLOSE);
    frame.pack();
    frame.setVisible(true);
    // shall we keep the tree visible?
    if (lock != null) {
      dowait(lock);
    }
  }

  /**
   * wait on the given lock
   * 
   * @param lock
   * @throws InterruptedException
   */
  public void dowait(final Object lock) throws InterruptedException {
    Thread t = new Thread() {
      public void run() {
        synchronized (lock) {
          while (frame.isVisible())
            try {
              lock.wait();
            } catch (InterruptedException e) {
              e.printStackTrace();
            }
          System.out.println("Working now");
        }
      }
    };
    t.start();

    frame.addWindowListener(new WindowAdapter() {

      @Override
      public void windowClosing(WindowEvent arg0) {
        synchronized (lock) {
          frame.setVisible(false);
          lock.notify();
        }
      }

    });

    t.join();
  }

}