Java tutorial
/** * Copyright 2014/2015 JeremGamer * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * */ package io.github.jeremgamer.editor.panels; import io.github.jeremgamer.editor.Editor; import io.github.jeremgamer.editor.files.GeneralSave; import io.github.jeremgamer.resources.images.ImageGetter; import java.awt.BorderLayout; import java.awt.Dimension; import java.awt.Image; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.awt.event.WindowEvent; import java.awt.event.WindowListener; import java.awt.image.BufferedImage; import java.io.File; import java.io.FileInputStream; import java.io.FileOutputStream; import java.io.IOException; import java.util.ArrayList; import java.util.List; import javax.imageio.ImageIO; import javax.sound.sampled.AudioFormat; import javax.sound.sampled.AudioInputStream; import javax.sound.sampled.AudioSystem; import javax.sound.sampled.Clip; import javax.sound.sampled.DataLine; import javax.sound.sampled.FloatControl; import javax.sound.sampled.LineEvent; import javax.sound.sampled.LineListener; import javax.swing.BorderFactory; import javax.swing.BoxLayout; import javax.swing.ButtonGroup; import javax.swing.ImageIcon; import javax.swing.JButton; import javax.swing.JDialog; import javax.swing.JFileChooser; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JPanel; import javax.swing.JRadioButton; import javax.swing.JSlider; import javax.swing.JToggleButton; import javax.swing.event.ChangeEvent; import javax.swing.event.ChangeListener; import javax.swing.filechooser.FileNameExtensionFilter; import org.apache.commons.io.IOUtils; public class MusicFrame extends JDialog { /** * */ private static final long serialVersionUID = -3792253242497741136L; private JPanel content = new JPanel(); private JToggleButton preview = new JToggleButton("Aperu"); private JLabel name = new JLabel(""); private JRadioButton one = new JRadioButton("Une fois"); private JRadioButton loop = new JRadioButton("En boucle"); private JSlider volume = new JSlider(); private Clip clip; AudioInputStream audioStream; AudioFormat format; DataLine.Info info; private FloatControl gainControl; private double gain = 1.0D; private float dB = (float) (Math.log(gain) / Math.log(10.0) * 20.0); public MusicFrame(JFrame frame, final GeneralSave gs) { ArrayList<BufferedImage> icons = new ArrayList<BufferedImage>(); try { icons.add(ImageIO.read(ImageGetter.class.getResource("icon16.png"))); icons.add(ImageIO.read(ImageGetter.class.getResource("icon32.png"))); icons.add(ImageIO.read(ImageGetter.class.getResource("icon64.png"))); icons.add(ImageIO.read(ImageGetter.class.getResource("icon128.png"))); } catch (IOException e1) { e1.printStackTrace(); } this.setIconImages((List<? extends Image>) icons); this.setTitle("Musique"); this.setSize(new Dimension(300, 225)); this.addWindowListener(new WindowListener() { @Override public void windowActivated(WindowEvent event) { } @Override public void windowClosed(WindowEvent event) { } @Override public void windowClosing(WindowEvent event) { try { gs.save(new File("projects/" + Editor.getProjectName() + "/general.rbd")); } catch (IOException e) { e.printStackTrace(); } if (clip != null) { clip.stop(); clip.close(); try { audioStream.close(); } catch (IOException e) { e.printStackTrace(); } } } @Override public void windowDeactivated(WindowEvent event) { } @Override public void windowDeiconified(WindowEvent event) { } @Override public void windowIconified(WindowEvent event) { } @Override public void windowOpened(WindowEvent event) { } }); this.setDefaultCloseOperation(JDialog.DISPOSE_ON_CLOSE); content.setLayout(new BoxLayout(content, BoxLayout.PAGE_AXIS)); this.setModal(true); this.setLocationRelativeTo(frame); JPanel properties = new JPanel(); properties.setBorder(BorderFactory.createTitledBorder("Lecture")); ButtonGroup bg = new ButtonGroup(); bg.add(one); bg.add(loop); one.addChangeListener(new ChangeListener() { @Override public void stateChanged(ChangeEvent event) { JRadioButton rb = (JRadioButton) event.getSource(); if (rb.isSelected()) { gs.set("music.reading", 0); try { gs.save(new File("projects/" + Editor.getProjectName() + "/general.rbd")); } catch (IOException e) { e.printStackTrace(); } if (clip != null) { if (clip.isRunning()) clip.loop(0); } } } }); loop.addChangeListener(new ChangeListener() { @Override public void stateChanged(ChangeEvent event) { JRadioButton rb = (JRadioButton) event.getSource(); if (rb.isSelected()) { gs.set("music.reading", 1); try { gs.save(new File("projects/" + Editor.getProjectName() + "/general.rbd")); } catch (IOException e) { e.printStackTrace(); } if (clip != null) { if (clip.isRunning()) clip.loop(Clip.LOOP_CONTINUOUSLY); } } } }); properties.add(one); properties.add(loop); if (gs.getInt("music.reading") == 0) { one.setSelected(true); } else { loop.setSelected(true); } volume.setMaximum(100); volume.setMinimum(0); volume.setValue(30); volume.setPaintTicks(true); volume.setPaintLabels(true); volume.setMinorTickSpacing(10); volume.setMajorTickSpacing(20); volume.addChangeListener(new ChangeListener() { public void stateChanged(ChangeEvent event) { JSlider slider = (JSlider) event.getSource(); double value = slider.getValue(); gain = value / 100; dB = (float) (Math.log(gain) / Math.log(10.0) * 20.0); if (clip != null) gainControl.setValue(dB); gs.set("music.volume", (int) value); } }); volume.setValue(gs.getInt("music.volume")); properties.add(volume); properties.setPreferredSize(new Dimension(300, 125)); content.add(properties); JPanel browsePanel = new JPanel(); browsePanel.setBorder(BorderFactory.createTitledBorder("")); JButton browse = new JButton("Parcourir..."); if (new File("projects/" + Editor.getProjectName() + "/music.wav").exists()) { preview.setEnabled(false); browse.setText(""); try { browse.setIcon(new ImageIcon(ImageIO.read(ImageGetter.class.getResource("remove.png")))); } catch (IOException e) { e.printStackTrace(); } } browse.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent event) { JButton button = (JButton) event.getSource(); if (new File("projects/" + Editor.getProjectName() + "/music.wav").exists()) { if (clip != null) { clip.stop(); clip.close(); try { audioStream.close(); } catch (IOException e) { e.printStackTrace(); } } name.setText(""); preview.setEnabled(false); button.setText("Parcourir..."); button.setIcon(null); new File("projects/" + Editor.getProjectName() + "/music.wav").delete(); gs.set("music.name", ""); } else { String path = null; JFileChooser chooser = new JFileChooser(Editor.lastPath); FileNameExtensionFilter filter = new FileNameExtensionFilter("Audio (WAV)", "wav"); chooser.setFileFilter(filter); chooser.setFileSelectionMode(JFileChooser.FILES_ONLY); int option = chooser.showOpenDialog(null); if (option == JFileChooser.APPROVE_OPTION) { path = chooser.getSelectedFile().getAbsolutePath(); Editor.lastPath = chooser.getSelectedFile().getParent(); copyMusic(new File(path)); button.setText(""); try { button.setIcon( new ImageIcon(ImageIO.read(ImageGetter.class.getResource("remove.png")))); } catch (IOException e) { e.printStackTrace(); } gs.set("music.name", new File(path).getName()); try { gs.save(new File("projects/" + Editor.getProjectName() + "/general.rbd")); } catch (IOException e) { e.printStackTrace(); } name.setText(new File(path).getName()); preview.setEnabled(true); } } } }); if (new File("projects/" + Editor.getProjectName() + "/music.wav").exists()) { preview.setEnabled(true); } else { preview.setEnabled(false); } preview.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent event) { JToggleButton tb = (JToggleButton) event.getSource(); if (tb.isSelected()) { try { audioStream = AudioSystem.getAudioInputStream( new File("projects/" + Editor.getProjectName() + "/music.wav")); format = audioStream.getFormat(); info = new DataLine.Info(Clip.class, format); clip = (Clip) AudioSystem.getLine(info); clip.open(audioStream); clip.start(); gainControl = (FloatControl) clip.getControl(FloatControl.Type.MASTER_GAIN); gainControl.setValue(dB); if (loop.isSelected()) { clip.loop(Clip.LOOP_CONTINUOUSLY); } else { clip.loop(0); } clip.addLineListener(new LineListener() { @Override public void update(LineEvent event) { Clip clip = (Clip) event.getSource(); if (!clip.isRunning()) { preview.setSelected(false); clip.stop(); clip.close(); try { audioStream.close(); } catch (IOException e) { e.printStackTrace(); } } } }); } catch (Exception exc) { exc.printStackTrace(); } } else { clip.stop(); clip.close(); try { audioStream.close(); } catch (IOException e) { e.printStackTrace(); } } } }); JPanel buttons = new JPanel(); buttons.setLayout(new BorderLayout()); buttons.add(browse, BorderLayout.WEST); buttons.add(preview, BorderLayout.EAST); browsePanel.setLayout(new BorderLayout()); browsePanel.add(buttons, BorderLayout.NORTH); browsePanel.add(name, BorderLayout.SOUTH); name.setPreferredSize(new Dimension(280, 25)); name.setText(gs.getString("music.name")); content.add(browsePanel); this.setContentPane(content); this.setVisible(true); } private void copyMusic(File file) { try { FileOutputStream fos = new FileOutputStream( new File("projects/" + Editor.getProjectName() + "/music.wav")); FileInputStream fis = new FileInputStream(file.getAbsolutePath()); IOUtils.copy(fis, fos); fos.close(); fis.close(); } catch (IOException e) { e.printStackTrace(); } } }