LookAndFeelExample.java

/*
 * Copyright 2007-2010 Enrico Boldrini, Lorenzo Bigagli This file is part of
 * CheckboxTree. CheckboxTree is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or (at your
 * option) any later version. CheckboxTree is distributed in the hope that it
 * will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty
 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
 * Public License for more details. You should have received a copy of the GNU
 * General Public License along with CheckboxTree; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
 * 02110-1301, USA
 */
package it.cnr.imaa.essi.lablib.gui.checkboxtree.examples;

import it.cnr.imaa.essi.lablib.gui.checkboxtree.CheckboxTree;
import it.cnr.imaa.essi.lablib.gui.checkboxtree.TreeCheckingModel;

import java.awt.BorderLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.ButtonGroup;
import javax.swing.JFrame;
import javax.swing.JMenu;
import javax.swing.JMenuBar;
import javax.swing.JPanel;
import javax.swing.JRadioButtonMenuItem;
import javax.swing.JScrollPane;
import javax.swing.SwingUtilities;
import javax.swing.UIManager;
import javax.swing.UIManager.LookAndFeelInfo;
import javax.swing.UnsupportedLookAndFeelException;
import javax.swing.plaf.metal.DefaultMetalTheme;
import javax.swing.plaf.metal.MetalLookAndFeel;
import javax.swing.plaf.metal.OceanTheme;
import javax.swing.tree.DefaultMutableTreeNode;
import javax.swing.tree.DefaultTreeModel;
import javax.swing.tree.TreePath;

/**
 * An example showcase for the various look and feels. There are issues with
 * dynamically changing the L&F of a CheckboxTree.
 * @author bigagli
 * @author boldrini
 */
public class LookAndFeelExample extends JFrame implements ActionListener {
	private static final long serialVersionUID = 1L;

	private CheckboxTree checkboxTree = null;

	private javax.swing.JPanel jContentPane = null;

	public static void main(String[] args) {
		// Schedule a job for the event dispatcher thread:
		// creating and showing this application's GUI.
		javax.swing.SwingUtilities.invokeLater(new Runnable() {
			@Override
			public void run() {
				for (LookAndFeelInfo info : UIManager.getInstalledLookAndFeels()) {
					System.out.println(info);
				}
				System.out.println("Cross-platform L&F: " + UIManager.getCrossPlatformLookAndFeelClassName());
				createAndShowGUI();
			}
		});
	}

	/**
	 * Create the GUI and show it. For thread safety, this method should be
	 * invoked from the event dispatch thread.
	 */
	private static void createAndShowGUI() {
		// Set the look and feel
		try {
			String lafName = "com.sun.java.swing.plaf.nimbus.NimbusLookAndFeel";
			// String lafName = UIManager.getSystemLookAndFeelClassName();
			System.out.println("Setting the L&F to " + lafName);
			UIManager.setLookAndFeel(lafName);
		} catch (ClassNotFoundException e) {
			e.printStackTrace();
		} catch (InstantiationException e) {
			e.printStackTrace();
		} catch (IllegalAccessException e) {
			e.printStackTrace();
		} catch (UnsupportedLookAndFeelException e) {
			e.printStackTrace();
		}
		// Make sure we have nice window decorations
		// JFrame.setDefaultLookAndFeelDecorated(true);
		// Create and set up the window
		JFrame frame = new LookAndFeelExample();
		// Display the window
		frame.pack();
		frame.setVisible(true);
	}

	/**
	 * Creates the frame.
	 */
	public LookAndFeelExample() {
		this.setContentPane(getJContentPane());
		this.setTitle("CheckboxTree");
		this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		this.setJMenuBar(getLAFMenuBar());
	}

	/**
	 * This method initializes jContentPane
	 * @return javax.swing.JPanel
	 */
	private JPanel getJContentPane() {
		if (this.jContentPane == null) {
			this.jContentPane = new JPanel();
			this.jContentPane.setLayout(new BorderLayout());
			this.jContentPane.add(getCheckboxTree(), BorderLayout.CENTER);
		}
		return this.jContentPane;
	}

	/**
	 * This method initializes the CheckboxTree
	 * @return it.cnr.imaa.essi.lablib.gui.checkboxtree.CheckboxTree
	 */
	private JScrollPane getCheckboxTree() {
		if (this.checkboxTree == null) {
			this.checkboxTree = new CheckboxTree();
			this.checkboxTree.getCheckingModel().setCheckingMode(TreeCheckingModel.CheckingMode.PROPAGATE);
			DefaultMutableTreeNode root = (DefaultMutableTreeNode) this.checkboxTree.getModel().getRoot();

			DefaultMutableTreeNode ravioli = (DefaultMutableTreeNode) root.getChildAt(2).getChildAt(2);// ravioli;

			ravioli.add(new DefaultMutableTreeNode("al tartufo"));
			ravioli.add(new DefaultMutableTreeNode("alla salvia"));
			for (int i = 2; i < 10; i++) {
				ravioli.add(new DefaultMutableTreeNode("ai " + i + " formaggi"));
			}
			((DefaultTreeModel) this.checkboxTree.getModel()).nodeStructureChanged(root);
			this.checkboxTree.addCheckingPath(new TreePath(ravioli.getPath()));
			this.checkboxTree.expandAll();
		}
		return new JScrollPane(this.checkboxTree);
	}

	private JMenuBar getLAFMenuBar() {
		JMenuBar retVal = new JMenuBar();
		// Define and add the drop down menu to the menubar
		JMenu lafMenu = new JMenu("Look&Feel");
		retVal.add(lafMenu);

		// Create and add Radio Buttons as simple menu items to one of the drop
		// down menu
		JRadioButtonMenuItem radioAction3 = new JRadioButtonMenuItem("System");
		radioAction3.setSelected(true);
		JRadioButtonMenuItem radioAction1 = new JRadioButtonMenuItem("Metal-default-theme");
		JRadioButtonMenuItem radioAction2 = new JRadioButtonMenuItem("Metal-ocean-theme");
		JRadioButtonMenuItem radioAction4 = new JRadioButtonMenuItem("CDE/Motif");
		JRadioButtonMenuItem radioAction5 = new JRadioButtonMenuItem("GTK");
		JRadioButtonMenuItem radioAction6 = new JRadioButtonMenuItem("Nimbus");
		// Create a ButtonGroup and add both radio Button to it. Only one radio
		// button in a ButtonGroup can be selected at a time.
		ButtonGroup bg = new ButtonGroup();
		bg.add(radioAction1);
		bg.add(radioAction2);
		bg.add(radioAction3);
		bg.add(radioAction4);
		bg.add(radioAction5);
		bg.add(radioAction6);
		lafMenu.add(radioAction1);
		lafMenu.add(radioAction2);
		lafMenu.add(radioAction3);
		lafMenu.add(radioAction4);
		lafMenu.add(radioAction5);
		lafMenu.add(radioAction6);
		// Add a listener to the New menu item. actionPerformed() method will
		// invoked, if user triggered this menu item
		radioAction1.addActionListener(this);
		radioAction2.addActionListener(this);
		radioAction3.addActionListener(this);
		radioAction4.addActionListener(this);
		radioAction5.addActionListener(this);
		radioAction6.addActionListener(this);
		return retVal;
	}

	@Override
	public void actionPerformed(ActionEvent action) {
		String actionName = action.getActionCommand();
		String lafName = null;
		if (actionName.equals("Metal-default-theme")) {
			lafName = "javax.swing.plaf.metal.MetalLookAndFeel";
			MetalLookAndFeel.setCurrentTheme(new DefaultMetalTheme());
		} else if (actionName.equals("Metal-ocean-theme")) {
			lafName = "javax.swing.plaf.metal.MetalLookAndFeel";
			MetalLookAndFeel.setCurrentTheme(new OceanTheme());
		} else if (actionName.equals("System")) {
			lafName = UIManager.getSystemLookAndFeelClassName();
		} else if (actionName.equals("CDE/Motif")) {
			lafName = "com.sun.java.swing.plaf.motif.MotifLookAndFeel";
		} else if (actionName.equals("GTK")) {
			lafName = "com.sun.java.swing.plaf.gtk.GTKLookAndFeel";
		} else if (actionName.equals("Nimbus")) {
			lafName = "com.sun.java.swing.plaf.nimbus.NimbusLookAndFeel";
		}
		try {
			System.out.println("Setting the L&F to " + lafName);
			UIManager.setLookAndFeel(lafName);
			SwingUtilities.updateComponentTreeUI(this);
		} catch (ClassNotFoundException e) {
			System.err.println("Couldn't find class for specified look and feel: " + lafName);
			System.err.println("Did you include the L&F library in the class path?");
			System.err.println("Using the default look and feel.");
		} catch (UnsupportedLookAndFeelException e) {
			System.err.println("Can't use the specified look and feel (" + lafName + ") on this platform.");
			System.err.println("Using the default look and feel.");
		} catch (Exception e) {
			System.err.println("Couldn't get specified look and feel (" + lafName + "), for some reason.");
			System.err.println("Using the default look and feel.");
			e.printStackTrace();
		}
	}

}