/* * Copyright (c) 1995 - 2008 Sun Microsystems, Inc.  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 Sun Microsystems 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, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ package components;/* * A 1.4 example that uses the following files: *    GenealogyModel.java *    Person.java * * Based on an example provided by tutorial reader Olivier Berlanger. */import javax.swing.ButtonGroup;import javax.swing.JFrame;import javax.swing.JPanel;import javax.swing.JRadioButton;import javax.swing.JScrollPane;import java.awt.BorderLayout;import java.awt.Dimension;import java.awt.event.ActionEvent;import java.awt.event.ActionListener;public class GenealogyExample extends JPanel                               implements ActionListener {    GenealogyTree tree;    private static String SHOW_ANCESTOR_CMD = "showAncestor";    public GenealogyExample() {        super(new BorderLayout());                //Construct the panel with the toggle buttons.        JRadioButton showDescendant =                 new JRadioButton("Show descendants", true);        final JRadioButton showAncestor =                 new JRadioButton("Show ancestors");        ButtonGroup bGroup = new ButtonGroup();        bGroup.add(showDescendant);        bGroup.add(showAncestor);        showDescendant.addActionListener(this);        showAncestor.addActionListener(this);        showAncestor.setActionCommand(SHOW_ANCESTOR_CMD);        JPanel buttonPanel = new JPanel();        buttonPanel.add(showDescendant);        buttonPanel.add(showAncestor);        //Construct the tree.        tree = new GenealogyTree(getGenealogyGraph());        JScrollPane scrollPane = new JScrollPane(tree);        scrollPane.setPreferredSize(new Dimension(200, 200));        //Add everything to this panel.        add(buttonPanel, BorderLayout.PAGE_START);        add(scrollPane, BorderLayout.CENTER);    }    /**      * Required by the ActionListener interface.     * Handle events on the showDescendant and     * showAncestore buttons.      */    public void actionPerformed(ActionEvent ae) {        if (ae.getActionCommand() == SHOW_ANCESTOR_CMD) {            tree.showAncestor(true);        } else {            tree.showAncestor(false);        }    }        /**     *  Constructs the genealogy graph used by the model.     */    public Person getGenealogyGraph() {        //the greatgrandparent generation        Person a1 = new Person("Jack (great-granddaddy)");        Person a2 = new Person("Jean (great-granny)");        Person a3 = new Person("Albert (great-granddaddy)");        Person a4 = new Person("Rae (great-granny)");        Person a5 = new Person("Paul (great-granddaddy)");        Person a6 = new Person("Josie (great-granny)");        //the grandparent generation        Person b1 = new Person("Peter (grandpa)");        Person b2 = new Person("Zoe (grandma)");        Person b3 = new Person("Simon (grandpa)");        Person b4 = new Person("James (grandpa)");        Person b5 = new Person("Bertha (grandma)");        Person b6 = new Person("Veronica (grandma)");        Person b7 = new Person("Anne (grandma)");        Person b8 = new Person("Renee (grandma)");        Person b9 = new Person("Joseph (grandpa)");        //the parent generation        Person c1 = new Person("Isabelle (mom)");        Person c2 = new Person("Frank (dad)");        Person c3 = new Person("Louis (dad)");        Person c4 = new Person("Laurence (dad)");        Person c5 = new Person("Valerie (mom)");        Person c6 = new Person("Marie (mom)");        Person c7 = new Person("Helen (mom)");        Person c8 = new Person("Mark (dad)");        Person c9 = new Person("Oliver (dad)");        //the youngest generation        Person d1 = new Person("Clement (boy)");        Person d2 = new Person("Colin (boy)");        Person.linkFamily(a1,a2,new Person[] {b1,b2,b3,b4});        Person.linkFamily(a3,a4,new Person[] {b5,b6,b7});        Person.linkFamily(a5,a6,new Person[] {b8,b9});        Person.linkFamily(b3,b6,new Person[] {c1,c2,c3});        Person.linkFamily(b4,b5,new Person[] {c4,c5,c6});        Person.linkFamily(b8,b7,new Person[] {c7,c8,c9});        Person.linkFamily(c4,c7,new Person[] {d1,d2});        return a1;    }    /**     * Create the GUI and show it.  For thread safety,     * this method should be invoked from the     * event-dispatching thread.     */    private static void createAndShowGUI() {        //Create and set up the window.        JFrame frame = new JFrame("GenealogyExample");        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);        //Create and set up the content pane.        GenealogyExample newContentPane = new GenealogyExample();        newContentPane.setOpaque(true); //content panes must be opaque        frame.setContentPane(newContentPane);        //Display the window.        frame.pack();        frame.setVisible(true);    }    public static void main(String[] args) {        //Schedule a job for the event-dispatching thread:        //creating and showing this application's GUI.        javax.swing.SwingUtilities.invokeLater(new Runnable() {            public void run() {                createAndShowGUI();            }        });    }}