Java tutorial
/** BlackBoard breadboard designer Written and maintained by Matthias Pueski Copyright (c) 2010-2011 Matthias Pueski This program 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. This program 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 this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ package org.pmedv.blackboard.test; import java.awt.BorderLayout; import java.awt.Dimension; import java.awt.FlowLayout; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.io.File; import java.io.FileInputStream; import java.io.FileOutputStream; import java.io.IOException; import java.io.ObjectInputStream; import java.io.ObjectOutputStream; import javax.imageio.ImageIO; import javax.swing.JButton; import javax.swing.JFileChooser; import javax.swing.JFrame; import javax.swing.JPanel; import javax.swing.UIManager; import org.pmedv.blackboard.tools.PixelEditor; import org.pmedv.blackboard.tools.PixelEditor.Pixel; import com.jgoodies.looks.plastic.Plastic3DLookAndFeel; import com.jgoodies.looks.plastic.theme.SkyRed; public class PanelTest { private static JFrame frame; public static void main(String[] args) { Plastic3DLookAndFeel.setPlasticTheme(new SkyRed()); try { UIManager.setLookAndFeel(new Plastic3DLookAndFeel()); com.jgoodies.looks.Options.setPopupDropShadowEnabled(true); } catch (Exception e) { System.out.println("failed to set look and feel."); } final PixelEditor pixelEditor = new PixelEditor(16, 16); JPanel buttonPanel = new JPanel(new FlowLayout(FlowLayout.CENTER)); JButton clearButton = new JButton("Clear"); clearButton.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent e) { pixelEditor.clear(); } }); JButton colorButton = new JButton("Color"); colorButton.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent e) { pixelEditor.triggerColorSelect(); } }); JButton fillButton = new JButton("Fill"); fillButton.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent e) { pixelEditor.fill(); } }); JButton saveImageButton = new JButton("Export"); saveImageButton.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent e) { final JFileChooser fc = new JFileChooser(System.getProperty("user.home")); fc.setDialogTitle("Save image"); fc.setApproveButtonText("Save"); int result = fc.showOpenDialog(frame); if (result == JFileChooser.APPROVE_OPTION) { if (fc.getSelectedFile() == null) return; File selectedFile = fc.getSelectedFile(); try { ImageIO.write(pixelEditor.getImage(), "PNG", selectedFile); } catch (IOException e1) { e1.printStackTrace(); } } } }); JButton saveButton = new JButton("Save"); saveButton.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent e) { final JFileChooser fc = new JFileChooser(System.getProperty("user.home")); fc.setDialogTitle("Save image"); fc.setApproveButtonText("Save"); int result = fc.showOpenDialog(frame); if (result == JFileChooser.APPROVE_OPTION) { if (fc.getSelectedFile() == null) return; File selectedFile = fc.getSelectedFile(); try { ObjectOutputStream oos = new ObjectOutputStream(new FileOutputStream(selectedFile)); oos.writeObject(pixelEditor.getPixels()); } catch (Exception e1) { e1.printStackTrace(); } } } }); JButton loadButton = new JButton("Load"); loadButton.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent e) { final JFileChooser fc = new JFileChooser(System.getProperty("user.home")); fc.setDialogTitle("Open image"); fc.setApproveButtonText("Open"); int result = fc.showOpenDialog(frame); if (result == JFileChooser.APPROVE_OPTION) { if (fc.getSelectedFile() == null) return; File selectedFile = fc.getSelectedFile(); try { ObjectInputStream ois = new ObjectInputStream(new FileInputStream(selectedFile)); Pixel[][] pixels = (Pixel[][]) ois.readObject(); pixelEditor.setPixels(pixels); } catch (Exception e1) { e1.printStackTrace(); } } } }); buttonPanel.add(clearButton); buttonPanel.add(colorButton); buttonPanel.add(fillButton); buttonPanel.add(saveImageButton); buttonPanel.add(saveButton); buttonPanel.add(loadButton); frame = new JFrame("Pixel-O-Mat"); frame.setSize(new Dimension(330, 380)); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); frame.setLayout(new BorderLayout()); frame.add(pixelEditor, BorderLayout.CENTER); frame.add(buttonPanel, BorderLayout.SOUTH); frame.setLocationRelativeTo(frame.getRootPane()); frame.setVisible(true); } }