From 47f03942783a993ffca754cba0fb876aac3154e0 Mon Sep 17 00:00:00 2001
From: Akiyoshi Kamide <kamide@yk.rim.or.jp>
Date: Sun, 15 May 2016 01:09:59 +0900
Subject: [PATCH] =?utf8?q?=E3=83=BB=E3=83=80=E3=82=A4=E3=82=A2=E3=83=AD?=
 =?utf8?q?=E3=82=B0=E3=81=8B=E3=82=89=E3=83=95=E3=82=A1=E3=82=A4=E3=83=AB?=
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Content-Type: text/plain; charset=utf8
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---
 src/camidion/chordhelper/ChordHelperApplet.java    |  53 +---
 .../mididevice/AbstractVirtualMidiDevice.java      |  24 +-
 .../chordhelper/mididevice/MidiSequencerModel.java |  10 +-
 .../chordhelper/midieditor/MidiSequenceEditor.java | 351 +++++++--------------
 .../chordhelper/midieditor/PlaylistTableModel.java |  54 ++--
 5 files changed, 165 insertions(+), 327 deletions(-)

diff --git a/src/camidion/chordhelper/ChordHelperApplet.java b/src/camidion/chordhelper/ChordHelperApplet.java
index e124716..0828ad6 100644
--- a/src/camidion/chordhelper/ChordHelperApplet.java
+++ b/src/camidion/chordhelper/ChordHelperApplet.java
@@ -22,12 +22,10 @@ import java.net.URISyntaxException;
 import java.net.URL;
 import java.security.AccessControlException;
 import java.util.Arrays;
-import java.util.Vector;
 
 import javax.sound.midi.InvalidMidiDataException;
 import javax.sound.midi.MetaEventListener;
 import javax.sound.midi.MetaMessage;
-import javax.sound.midi.Sequence;
 import javax.sound.midi.Sequencer;
 import javax.swing.Box;
 import javax.swing.BoxLayout;
@@ -59,10 +57,10 @@ import camidion.chordhelper.mididevice.MidiDeviceDialog;
 import camidion.chordhelper.mididevice.MidiTransceiverListModelList;
 import camidion.chordhelper.mididevice.SequencerMeasureView;
 import camidion.chordhelper.mididevice.SequencerTimeView;
-import camidion.chordhelper.mididevice.VirtualMidiDevice;
 import camidion.chordhelper.midieditor.Base64Dialog;
 import camidion.chordhelper.midieditor.KeySignatureLabel;
 import camidion.chordhelper.midieditor.MidiSequenceEditor;
+import camidion.chordhelper.midieditor.NewSequenceDialog;
 import camidion.chordhelper.midieditor.SequenceTickIndex;
 import camidion.chordhelper.midieditor.SequenceTrackListTableModel;
 import camidion.chordhelper.midieditor.TempoSelecter;
@@ -100,9 +98,10 @@ public class ChordHelperApplet extends JApplet {
 	 * @return 追加先のインデックス値（０から始まる）。追加できなかったときは -1
 	 */
 	public int addRandomSongToPlaylist(int measureLength) {
-		deviceModelList.getEditorDialog().newSequenceDialog.setRandomChordProgression(measureLength);
-		Sequence sequence = deviceModelList.getEditorDialog().newSequenceDialog.getMidiSequence();
-		return deviceModelList.getEditorDialog().sequenceListTable.getModel().addSequenceAndPlay(sequence);
+		MidiSequenceEditor editor = deviceModelList.getEditorDialog();
+		NewSequenceDialog d = editor.newSequenceDialog;
+		d.setRandomChordProgression(measureLength);
+		return editor.sequenceListTable.getModel().addSequenceAndPlay(d.getMidiSequence());
 	}
 	/**
 	 * URLで指定されたMIDIファイルをプレイリストへ追加します。
@@ -288,7 +287,7 @@ public class ChordHelperApplet extends JApplet {
 	 */
 	public static class VersionInfo {
 		public static final String	NAME = "MIDI Chord Helper";
-		public static final String	VERSION = "Ver.20160511.1";
+		public static final String	VERSION = "Ver.20160514.1";
 		public static final String	COPYRIGHT = "Copyright (C) 2004-2016";
 		public static final String	AUTHER = "＠きよし - Akiyoshi Kamide";
 		public static final String	URL = "http://www.yk.rim.or.jp/~kamide/music/chordhelper/";
@@ -353,8 +352,7 @@ public class ChordHelperApplet extends JApplet {
 		@Override
 		public void actionPerformed(ActionEvent e) {
 			JOptionPane.showMessageDialog(
-				null, this, "Version info",
-				JOptionPane.INFORMATION_MESSAGE, imageIcon
+				null, this, "Version info", JOptionPane.INFORMATION_MESSAGE, imageIcon
 			);
 		}
 	}
@@ -445,9 +443,7 @@ public class ChordHelperApplet extends JApplet {
 			keyboardCenterPanel.keyboard.addPianoKeyboardListener(
 				new PianoKeyboardAdapter() {
 					@Override
-					public void pianoKeyPressed(int n, InputEvent e) {
-						chordDiagram.clear();
-					}
+					public void pianoKeyPressed(int n, InputEvent e) { chordDiagram.clear(); }
 				}
 			);
 			keySelecter.keysigCombobox.addActionListener(
@@ -463,11 +459,7 @@ public class ChordHelperApplet extends JApplet {
 			keyboardCenterPanel.keyboard.setPreferredSize(new Dimension(571, 80));
 		}};
 		deviceModelList = new MidiTransceiverListModelList(
-			new Vector<VirtualMidiDevice>() {
-				{
-					add(keyboardPanel.keyboardCenterPanel.keyboard.midiDevice);
-				}
-			}
+			Arrays.asList(keyboardPanel.keyboardCenterPanel.keyboard.midiDevice)
 		);
 		deviceModelList.getEditorDialog().setIconImage(iconImage);
 		new DropTarget(this, DnDConstants.ACTION_COPY_OR_MOVE, deviceModelList.getEditorDialog().dropTargetListener, true);
@@ -496,18 +488,14 @@ public class ChordHelperApplet extends JApplet {
 		}};
 		keysigLabel = new KeySignatureLabel() {{
 			addMouseListener(new MouseAdapter() {
-				public void mousePressed(MouseEvent e) {
-					chordMatrix.setKeySignature(getKey());
-				}
+				public void mousePressed(MouseEvent e) { chordMatrix.setKeySignature(getKey()); }
 			});
 		}};
 		deviceModelList.getSequencerModel().getSequencer().addMetaEventListener(
 			new MetaEventListener() {
 				class SetKeySignatureRunnable implements Runnable {
 					Key key;
-					public SetKeySignatureRunnable(Key key) {
-						this.key = key;
-					}
+					public SetKeySignatureRunnable(Key key) { this.key = key; }
 					@Override
 					public void run() { setKeySignature(key); }
 				}
@@ -517,9 +505,7 @@ public class ChordHelperApplet extends JApplet {
 					case 0x59: // Key signature (2 bytes) : 調号
 						Key key = new Key(msg.getData());
 						if( ! SwingUtilities.isEventDispatchThread() ) {
-							SwingUtilities.invokeLater(
-								new SetKeySignatureRunnable(key)
-							);
+							SwingUtilities.invokeLater(new SetKeySignatureRunnable(key));
 						}
 						setKeySignature(key);
 						break;
@@ -714,22 +700,15 @@ public class ChordHelperApplet extends JApplet {
 				add(anoGakkiPane = new AnoGakkiPane(), JLayeredPane.PALETTE_LAYER);
 				addComponentListener(new ComponentAdapter() {
 					@Override
-					public void componentResized(ComponentEvent e) {
-						adjustSize();
-					}
+					public void componentResized(ComponentEvent e) { adjustSize(); }
 					@Override
-					public void componentShown(ComponentEvent e) {
-						adjustSize();
-					}
-					private void adjustSize() {
-						anoGakkiPane.setBounds(getBounds());
-					}
+					public void componentShown(ComponentEvent e) { adjustSize(); }
+					private void adjustSize() { anoGakkiPane.setBounds(getBounds()); }
 				});
 				setLayout(new BorderLayout());
 				setOpaque(true);
 				add(mainSplitPane = new JSplitPane(
-					JSplitPane.VERTICAL_SPLIT,
-					chordMatrix, keyboardSequencerPanel
+					JSplitPane.VERTICAL_SPLIT, chordMatrix, keyboardSequencerPanel
 				){
 					{
 						setResizeWeight(0.5);
diff --git a/src/camidion/chordhelper/mididevice/AbstractVirtualMidiDevice.java b/src/camidion/chordhelper/mididevice/AbstractVirtualMidiDevice.java
index 5116c55..d379353 100644
--- a/src/camidion/chordhelper/mididevice/AbstractVirtualMidiDevice.java
+++ b/src/camidion/chordhelper/mididevice/AbstractVirtualMidiDevice.java
@@ -58,15 +58,11 @@ public abstract class AbstractVirtualMidiDevice implements VirtualMidiDevice {
 	 *  MIDI IN 接続の最大数を設定します。デフォルト値は -1 です。
 	 * @param maxReceivers MIDI IN 接続の最大数、または利用可能な接続数に制限がない場合は -1。
 	 */
-	protected void setMaxReceivers(int maxReceivers) {
-		this.maxReceivers = maxReceivers;
-	}
+	protected void setMaxReceivers(int maxReceivers) { this.maxReceivers = maxReceivers; }
 	@Override
 	public int getMaxReceivers() { return maxReceivers; }
 	@Override
-	public Receiver getReceiver() {
-		return rxList.isEmpty() ? null : rxList.get(0);
-	}
+	public Receiver getReceiver() { return rxList.isEmpty() ? null : rxList.get(0); }
 	protected void setReceiver(Receiver rx) {
 		if( maxReceivers == 0 ) return;
 		if( ! rxList.isEmpty() ) rxList.clear();
@@ -86,14 +82,10 @@ public abstract class AbstractVirtualMidiDevice implements VirtualMidiDevice {
 	 *  MIDI OUT 接続の最大数を設定します。デフォルト値は -1 です。
 	 * @param maxTransmitters MIDI OUT 接続の最大数、または利用可能な接続数に制限がない場合は -1。
 	 */
-	protected void setMaxTransmitters(int maxTransmitters) {
-		this.maxTransmitters = maxTransmitters;
-	}
+	protected void setMaxTransmitters(int maxTransmitters) { this.maxTransmitters = maxTransmitters; }
 	@Override
 	public Transmitter getTransmitter() throws MidiUnavailableException {
-		if( maxTransmitters == 0 ) {
-			throw new MidiUnavailableException();
-		}
+		if( maxTransmitters == 0 ) throw new MidiUnavailableException();
 		Transmitter new_tx = new Transmitter() {
 			private Receiver rx = null;
 			@Override
@@ -128,9 +120,7 @@ public abstract class AbstractVirtualMidiDevice implements VirtualMidiDevice {
 		 * @param vmd 仮想MIDIデバイス
 		 * @param channel MIDIチャンネルインデックス（チャンネル 1 のとき 0）
 		 */
-		public VirtualDeviceMidiChannel(int channel) {
-			this.channel = channel;
-		}
+		public VirtualDeviceMidiChannel(int channel) { this.channel = channel; }
 		private void sendShortMessage(int command, int data1, int data2) {
 			try {
 				sendMidiMessage(new ShortMessage(command, channel, data1, data2));
@@ -139,9 +129,7 @@ public abstract class AbstractVirtualMidiDevice implements VirtualMidiDevice {
 			}
 		}
 		@Override
-		public void noteOff(int noteNumber) {
-			noteOff(noteNumber, 64);
-		}
+		public void noteOff(int noteNumber) { noteOff(noteNumber, 64); }
 		@Override
 		public void noteOff(int noteNumber, int velocity) {
 			sendShortMessage(ShortMessage.NOTE_OFF, noteNumber, velocity);
diff --git a/src/camidion/chordhelper/mididevice/MidiSequencerModel.java b/src/camidion/chordhelper/mididevice/MidiSequencerModel.java
index e346a09..4c70cda 100644
--- a/src/camidion/chordhelper/mididevice/MidiSequencerModel.java
+++ b/src/camidion/chordhelper/mididevice/MidiSequencerModel.java
@@ -252,8 +252,8 @@ public class MidiSequencerModel extends MidiTransceiverListModel implements Boun
 		return sequenceTableModel;
 	}
 	/**
-	 * MIDIトラックリストテーブルモデルを
-	 * このシーケンサーモデルにセットします。
+	 * MIDIトラックリストテーブルモデルをこのシーケンサーモデルにセットします。
+	 * nullを指定してアンセットすることもできます。
 	 * @param sequenceTableModel MIDIトラックリストテーブルモデル
 	 * @return 成功したらtrue
 	 */
@@ -266,8 +266,7 @@ public class MidiSequencerModel extends MidiTransceiverListModel implements Boun
 		//
 		if( sequenceTableModel != null || getSequencer().isOpen() ) {
 			Sequence sequence = null;
-			if( sequenceTableModel != null )
-				sequence = sequenceTableModel.getSequence();
+			if( sequenceTableModel != null ) sequence = sequenceTableModel.getSequence();
 			try {
 				getSequencer().setSequence(sequence);
 			} catch ( InvalidMidiDataException e ) {
@@ -291,8 +290,7 @@ public class MidiSequencerModel extends MidiTransceiverListModel implements Boun
 	 * @param measureOffset 何小節進めるか（戻したいときは負数を指定）
 	 */
 	private void moveMeasure(int measureOffset) {
-		if( measureOffset == 0 || sequenceTableModel == null )
-			return;
+		if( measureOffset == 0 || sequenceTableModel == null ) return;
 		SequenceTickIndex seqIndex = sequenceTableModel.getSequenceTickIndex();
 		Sequencer sequencer = getSequencer();
 		int measurePosition = seqIndex.tickToMeasure(sequencer.getTickPosition());
diff --git a/src/camidion/chordhelper/midieditor/MidiSequenceEditor.java b/src/camidion/chordhelper/midieditor/MidiSequenceEditor.java
index 6a21231..0b5e75d 100644
--- a/src/camidion/chordhelper/midieditor/MidiSequenceEditor.java
+++ b/src/camidion/chordhelper/midieditor/MidiSequenceEditor.java
@@ -25,6 +25,7 @@ import java.io.FileOutputStream;
 import java.io.IOException;
 import java.nio.charset.Charset;
 import java.security.AccessControlException;
+import java.util.Arrays;
 import java.util.EventObject;
 import java.util.List;
 import java.util.Map;
@@ -59,7 +60,6 @@ import javax.swing.ListSelectionModel;
 import javax.swing.event.ListSelectionEvent;
 import javax.swing.event.ListSelectionListener;
 import javax.swing.event.TableModelEvent;
-import javax.swing.filechooser.FileFilter;
 import javax.swing.filechooser.FileNameExtensionFilter;
 import javax.swing.table.JTableHeader;
 import javax.swing.table.TableCellEditor;
@@ -83,6 +83,24 @@ import camidion.chordhelper.music.MIDISpec;
  *	http://www.yk.rim.or.jp/~kamide/music/chordhelper/
  */
 public class MidiSequenceEditor extends JDialog {
+	/**
+	 * このダイアログを表示するアクション
+	 */
+	public Action openAction = new AbstractAction("Edit/Playlist/Speed", new ButtonIcon(ButtonIcon.EDIT_ICON)) {
+		{
+			String tooltip = "MIDIシーケンスの編集／プレイリスト／再生速度調整";
+			putValue(Action.SHORT_DESCRIPTION, tooltip);
+		}
+		@Override
+		public void actionPerformed(ActionEvent e) {
+			if( isVisible() ) toFront(); else setVisible(true);
+		}
+	};
+
+	/**
+	 * このMIDIエディタにおける操作音の出力先となる仮想MIDIデバイスを返します。
+	 */
+	public VirtualMidiDevice getVirtualMidiDevice() { return virtualMidiDevice; }
 	private static VirtualMidiDevice virtualMidiDevice = new AbstractVirtualMidiDevice() {
 		{
 			info = new MyInfo();
@@ -93,61 +111,24 @@ public class MidiSequenceEditor extends JDialog {
 		 */
 		protected MyInfo info;
 		@Override
-		public Info getDeviceInfo() {
-			return info;
-		}
+		public Info getDeviceInfo() { return info; }
 		class MyInfo extends Info {
-			protected MyInfo() {
-				super("MIDI Editor","Unknown vendor","MIDI sequence editor","");
-			}
+			protected MyInfo() { super("MIDI Editor","Unknown vendor","MIDI sequence editor",""); }
 		}
 	};
-	/**
-	 * このMIDIエディタの仮想MIDIデバイスを返します。
-	 */
-	public VirtualMidiDevice getVirtualMidiDevice() {
-		return virtualMidiDevice;
-	}
-	/**
-	 * このダイアログを表示するアクション
-	 */
-	public Action openAction = new AbstractAction(
-		"Edit/Playlist/Speed", new ButtonIcon(ButtonIcon.EDIT_ICON)
-	) {
-		{
-			String tooltip = "MIDIシーケンスの編集／プレイリスト／再生速度調整";
-			putValue(Action.SHORT_DESCRIPTION, tooltip);
-		}
-		@Override
-		public void actionPerformed(ActionEvent e) { open(); }
-	};
-	/**
-	 * このダイアログを開きます。すでに開かれていた場合は前面に移動します。
-	 */
-	public void open() {
-		if( isVisible() ) toFront(); else setVisible(true);
-	}
+
 	/**
 	 * エラーメッセージダイアログを表示します。
 	 * @param message エラーメッセージ
 	 */
-	public void showError(String message) {
-		JOptionPane.showMessageDialog(
-			this, message,
-			ChordHelperApplet.VersionInfo.NAME,
-			JOptionPane.ERROR_MESSAGE
-		);
-	}
+	public void showError(String message) { showMessage(message, JOptionPane.ERROR_MESSAGE); }
 	/**
 	 * 警告メッセージダイアログを表示します。
 	 * @param message 警告メッセージ
 	 */
-	public void showWarning(String message) {
-		JOptionPane.showMessageDialog(
-			this, message,
-			ChordHelperApplet.VersionInfo.NAME,
-			JOptionPane.WARNING_MESSAGE
-		);
+	public void showWarning(String message) { showMessage(message, JOptionPane.WARNING_MESSAGE); }
+	private void showMessage(String message, int messageType) {
+		JOptionPane.showMessageDialog(this, message, ChordHelperApplet.VersionInfo.NAME, messageType);
 	}
 	/**
 	 * 確認ダイアログを表示します。
@@ -155,13 +136,10 @@ public class MidiSequenceEditor extends JDialog {
 	 * @return 確認OKのときtrue
 	 */
 	boolean confirm(String message) {
-		return JOptionPane.showConfirmDialog(
-			this, message,
-			ChordHelperApplet.VersionInfo.NAME,
-			JOptionPane.YES_NO_OPTION,
-			JOptionPane.WARNING_MESSAGE
-		) == JOptionPane.YES_OPTION ;
+		return JOptionPane.showConfirmDialog(this, message, ChordHelperApplet.VersionInfo.NAME,
+				JOptionPane.YES_NO_OPTION, JOptionPane.WARNING_MESSAGE) == JOptionPane.YES_OPTION ;
 	}
+
 	/**
 	 * ドロップされた複数のMIDIファイルを読み込むリスナー
 	 */
@@ -193,31 +171,45 @@ public class MidiSequenceEditor extends JDialog {
 			event.dropComplete(false);
 		}
 	};
+
 	/**
 	 * 複数のMIDIファイルを読み込み、再生されていなかったら再生します。
 	 * すでに再生されていた場合、このエディタダイアログを表示します。
 	 *
 	 * @param fileList 読み込むMIDIファイルのリスト
+	 * @see #loadAndPlay(File)
 	 */
 	public void loadAndPlay(List<File> fileList) {
-		int firstIndex = -1;
+		int indexOfAddedTop = -1;
 		PlaylistTableModel playlist = sequenceListTable.getModel();
 		try {
-			firstIndex = playlist.addSequences(fileList);
+			indexOfAddedTop = playlist.addSequences(fileList);
 		} catch(IOException|InvalidMidiDataException e) {
 			showWarning(e.getMessage());
 		} catch(AccessControlException e) {
 			showError(e.getMessage());
 			e.printStackTrace();
 		}
-		if(playlist.sequencerModel.getSequencer().isRunning()) {
-			open();
+		MidiSequencerModel sequencerModel = playlist.sequencerModel;
+		if( sequencerModel.getSequencer().isRunning() ) {
+			String command = (String)openAction.getValue(Action.NAME);
+			openAction.actionPerformed(new ActionEvent(this, ActionEvent.ACTION_PERFORMED, command));
+			return;
 		}
-		else if( firstIndex >= 0 ) {
-			playlist.loadToSequencer(firstIndex);
-			playlist.sequencerModel.start();
+		if( indexOfAddedTop >= 0 ) {
+			playlist.loadToSequencer(indexOfAddedTop);
+			sequencerModel.start();
 		}
 	}
+	/**
+	 * 1件のMIDIファイルを読み込み、再生されていなかったら再生します。
+	 * すでに再生されていた場合、このエディタダイアログを表示します。
+	 *
+	 * @param file 読み込むMIDIファイル
+	 * @see #loadAndPlay(List) loadAndPlay(List&lt;File&gt;)
+	 */
+	public void loadAndPlay(File file) { loadAndPlay(Arrays.asList(file)); }
+
 	private static final Insets ZERO_INSETS = new Insets(0,0,0,0);
 	private static final Icon deleteIcon = new ButtonIcon(ButtonIcon.X_ICON);
 	/**
@@ -243,13 +235,13 @@ public class MidiSequenceEditor extends JDialog {
 	/**
 	 * MIDIイベント入力ダイアログ（イベント入力とイベント送出で共用）
 	 */
-	public MidiEventDialog	eventDialog = new MidiEventDialog();
+	public MidiEventDialog eventDialog = new MidiEventDialog();
 	/**
 	 * プレイリストビュー（シーケンスリスト）
 	 */
 	public class SequenceListTable extends JTable {
 		/**
-		 * ファイル選択ダイアログ（アプレットでは使用不可）
+		 * ファイル選択ダイアログ（アプレットの場合は使用不可なのでnull）
 		 */
 		private MidiFileChooser midiFileChooser;
 		/**
@@ -308,9 +300,7 @@ public class MidiSequenceEditor extends JDialog {
 			for( PlaylistTableModel.Column c : PlaylistTableModel.Column.values() ) {
 				TableColumn tc = colModel.getColumn(c.ordinal());
 				tc.setPreferredWidth(c.preferredWidth);
-				if( c == PlaylistTableModel.Column.LENGTH ) {
-					lengthColumn = tc;
-				}
+				if( c == PlaylistTableModel.Column.LENGTH ) lengthColumn = tc;
 			}
 		}
 		private TableColumn lengthColumn;
@@ -330,9 +320,7 @@ public class MidiSequenceEditor extends JDialog {
 			// 列モデルからではヘッダタイトルが再描画されないことがある。
 			// そこで、ヘッダビューから repaint() で突っついて再描画させる。
 			JTableHeader th = getTableHeader();
-			if( th != null ) {
-				th.repaint();
-			}
+			if( th != null ) th.repaint();
 		}
 		/**
 		 * 時間位置表示セルエディタ（ダブルクリック専用）
@@ -382,9 +370,10 @@ public class MidiSequenceEditor extends JDialog {
 		{
 			private JToggleButton playButton = new JToggleButton(
 				getModel().sequencerModel.startStopAction
-			);
+			) {
+				{ setMargin(ZERO_INSETS); }
+			};
 			public PlayButtonCellEditor() {
-				playButton.setMargin(ZERO_INSETS);
 				int column = PlaylistTableModel.Column.PLAY.ordinal();
 				TableColumn tc = getColumnModel().getColumn(column);
 				tc.setCellRenderer(this);
@@ -402,25 +391,20 @@ public class MidiSequenceEditor extends JDialog {
 			 */
 			@Override
 			public boolean isCellEditable(EventObject e) {
-				if( ! (e instanceof MouseEvent) ) {
-					// マウスイベント以外はデフォルトメソッドにお任せ
-					return super.isCellEditable(e);
-				}
+				// マウスイベント以外はデフォルトメソッドにお任せ
+				if( ! (e instanceof MouseEvent) ) return super.isCellEditable(e);
 				fireEditingStopped();
 				MouseEvent me = (MouseEvent)e;
+				//
 				// クリックされたセルの行を特定
 				int row = rowAtPoint(me.getPoint());
-				if( row < 0 )
-					return false;
+				if( row < 0 ) return false;
 				PlaylistTableModel model = getModel();
-				if( row >= model.getRowCount() )
-					return false;
-				if( model.sequenceList.get(row).isOnSequencer() ) {
-					// プレイボタン表示中のセルはシングルクリックでもOK
-					return true;
-				}
-				// プレイボタンのないセルはダブルクリックのみを受け付ける
-				return me.getClickCount() == 2;
+				if( row >= model.getRowCount() ) return false;
+				//
+				// セル内にプレイボタンがあれば、シングルクリックを受け付ける。
+				// プレイボタンのないセルは、ダブルクリックのみ受け付ける。
+				return model.sequenceList.get(row).isOnSequencer() || me.getClickCount() == 2;
 			}
 			@Override
 			public Object getCellEditorValue() { return null; }
@@ -439,9 +423,7 @@ public class MidiSequenceEditor extends JDialog {
 			) {
 				fireEditingStopped();
 				PlaylistTableModel model = getModel();
-				if( model.sequenceList.get(row).isOnSequencer() ) {
-					return playButton;
-				}
+				if( model.sequenceList.get(row).isOnSequencer() ) return playButton;
 				model.loadToSequencer(row);
 				return null;
 			}
@@ -465,9 +447,7 @@ public class MidiSequenceEditor extends JDialog {
 		 * @return プレイリストモデル
 		 */
 		@Override
-		public PlaylistTableModel getModel() {
-			return (PlaylistTableModel) super.getModel();
-		}
+		public PlaylistTableModel getModel() { return (PlaylistTableModel)super.getModel(); }
 		/**
 		 * シーケンスを削除するアクション
 		 */
@@ -479,22 +459,13 @@ public class MidiSequenceEditor extends JDialog {
 			public void actionPerformed(ActionEvent e) {
 				PlaylistTableModel model = getModel();
 				if( midiFileChooser != null ) {
-					// ファイルに保存できる場合（Javaアプレットではなく、Javaアプリとして動作している場合）
-					//
-					SequenceTrackListTableModel seqModel = model.getSelectedSequenceModel();
-					if( seqModel.isModified() ) {
-						// ファイル未保存の変更がある場合
-						//
+					if( model.getSelectedSequenceModel().isModified() ) {
 						String message =
 							"Selected MIDI sequence not saved - delete it ?\n" +
 							"選択したMIDIシーケンスはまだ保存されていません。削除しますか？";
-						if( ! confirm(message) ) {
-							// 実は削除してほしくなかった場合
-							return;
-						}
+						if( ! confirm(message) ) return;
 					}
 				}
-				// 削除を実行
 				model.removeSelectedSequence();
 			}
 		};
@@ -503,10 +474,7 @@ public class MidiSequenceEditor extends JDialog {
 		 */
 		private class MidiFileChooser extends JFileChooser {
 			{
-				String description = "MIDI sequence (*.mid)";
-				String extension = "mid";
-				FileFilter filter = new FileNameExtensionFilter(description, extension);
-				setFileFilter(filter);
+				setFileFilter(new FileNameExtensionFilter("MIDI sequence (*.mid)", "mid"));
 			}
 			/**
 			 * ファイル保存アクション
@@ -516,32 +484,17 @@ public class MidiSequenceEditor extends JDialog {
 				"Save selected MIDI sequence to file - 選択したMIDIシーケンスをファイルに保存"
 			) {
 				@Override
-				public void actionPerformed(ActionEvent e) {
-					PlaylistTableModel model = getModel();
-					SequenceTrackListTableModel sequenceModel = model.getSelectedSequenceModel();
-					String filename = sequenceModel.getFilename();
-					File selectedFile;
-					if( filename != null && ! filename.isEmpty() ) {
-						// プレイリスト上でファイル名が入っていたら、それを初期選択
-						setSelectedFile(selectedFile = new File(filename));
-					}
-					int saveOption = showSaveDialog(MidiSequenceEditor.this);
-					if( saveOption != JFileChooser.APPROVE_OPTION ) {
-						// 保存ダイアログでキャンセルされた場合
-						return;
-					}
-					if( (selectedFile = getSelectedFile()).exists() ) {
-						// 指定されたファイルがすでにあった場合
-						String fn = selectedFile.getName();
-						String message = "Overwrite " + fn + " ?\n";
-						message += fn + " を上書きしてよろしいですか？";
-						if( ! confirm(message) ) {
-							// 上書きしてほしくなかった場合
-							return;
-						}
+				public void actionPerformed(ActionEvent event) {
+					SequenceTrackListTableModel sequenceModel = getModel().getSelectedSequenceModel();
+					String fn = sequenceModel.getFilename();
+					if( fn != null && ! fn.isEmpty() ) setSelectedFile(new File(fn));
+					if( showSaveDialog((Component)event.getSource()) != JFileChooser.APPROVE_OPTION ) return;
+					File f = getSelectedFile();
+					if( f.exists() ) {
+						fn = f.getName();
+						if( ! confirm("Overwrite " + fn + " ?\n" + fn + " を上書きしてよろしいですか？") ) return;
 					}
-					// 保存を実行
-					try ( FileOutputStream out = new FileOutputStream(selectedFile) ) {
+					try ( FileOutputStream out = new FileOutputStream(f) ) {
 						out.write(sequenceModel.getMIDIdata());
 						sequenceModel.setModified(false);
 					}
@@ -555,23 +508,11 @@ public class MidiSequenceEditor extends JDialog {
 			 * ファイルを開くアクション
 			 */
 			public Action openMidiFileAction = new AbstractAction("Open") {
-				{
-					String tooltip = "Open MIDI file - MIDIファイルを開く";
-					putValue(Action.SHORT_DESCRIPTION, tooltip);
-				}
+				{ putValue(Action.SHORT_DESCRIPTION, "Open MIDI file - MIDIファイルを開く"); }
 				@Override
 				public void actionPerformed(ActionEvent event) {
-					int openOption = showOpenDialog(MidiSequenceEditor.this);
-					if(openOption == JFileChooser.APPROVE_OPTION) {
-						try  {
-							getModel().addSequence(getSelectedFile());
-						} catch( IOException|InvalidMidiDataException e ) {
-							showWarning(e.getMessage());
-						} catch( AccessControlException e ) {
-							showError(e.getMessage());
-							e.printStackTrace();
-						}
-					}
+					if( showOpenDialog((Component)event.getSource()) != JFileChooser.APPROVE_OPTION ) return;
+					loadAndPlay(getSelectedFile());
 				}
 			};
 		};
@@ -593,8 +534,7 @@ public class MidiSequenceEditor extends JDialog {
 			TableColumn tc = getColumnModel().getColumn(colIndex);
 			tc.setCellEditor(new DefaultCellEditor(new JComboBox<String>(){{
 				addItem("OFF");
-				for(int i=1; i <= MIDISpec.MAX_CHANNELS; i++)
-					addItem(String.format("%d", i));
+				for(int i=1; i <= MIDISpec.MAX_CHANNELS; i++) addItem(String.format("%d", i));
 				addItem("ALL");
 			}}));
 			setAutoCreateColumnsFromModel(false);
@@ -628,21 +568,17 @@ public class MidiSequenceEditor extends JDialog {
 			public TitleLabel() { setText(TITLE); }
 			@Override
 			public void valueChanged(ListSelectionEvent event) {
-				if( event.getValueIsAdjusting() )
-					return;
+				if( event.getValueIsAdjusting() ) return;
 				SequenceTrackListTableModel oldModel = getModel();
 				SequenceTrackListTableModel newModel = oldModel.sequenceListTableModel.getSelectedSequenceModel();
-				if( oldModel == newModel )
-					return;
+				if( oldModel == newModel ) return;
 				//
 				// MIDIチャンネル選択中のときはキャンセルする
 				cancelCellEditing();
 				//
 				int index = oldModel.sequenceListTableModel.sequenceListSelectionModel.getMinSelectionIndex();
 				String text = TITLE;
-				if( index >= 0 ) {
-					text = String.format(text+" - MIDI file No.%d", index);
-				}
+				if( index >= 0 ) text = String.format(text+" - MIDI file No.%d", index);
 				setText(text);
 				if( newModel == null ) {
 					newModel = oldModel.sequenceListTableModel.emptyTrackListTableModel;
@@ -668,8 +604,7 @@ public class MidiSequenceEditor extends JDialog {
 		private class TrackSelectionListener implements ListSelectionListener {
 			@Override
 			public void valueChanged(ListSelectionEvent e) {
-				if( e != null && e.getValueIsAdjusting() )
-					return;
+				if( e != null && e.getValueIsAdjusting() ) return;
 				ListSelectionModel tlsm = getModel().trackListSelectionModel;
 				deleteTrackAction.setEnabled(! tlsm.isSelectionEmpty());
 				eventListTable.titleLabel.update(tlsm, getModel());
@@ -693,8 +628,7 @@ public class MidiSequenceEditor extends JDialog {
 		 */
 		private void cancelCellEditing() {
 			TableCellEditor currentCellEditor = getCellEditor();
-			if( currentCellEditor != null )
-				currentCellEditor.cancelCellEditing();
+			if( currentCellEditor != null ) currentCellEditor.cancelCellEditing();
 		}
 		/**
 		 * トラック追加アクション
@@ -706,9 +640,7 @@ public class MidiSequenceEditor extends JDialog {
 				setEnabled(false);
 			}
 			@Override
-			public void actionPerformed(ActionEvent e) {
-				getModel().createTrack();
-			}
+			public void actionPerformed(ActionEvent e) { getModel().createTrack(); }
 		};
 		/**
 		 * トラック削除アクション
@@ -721,8 +653,7 @@ public class MidiSequenceEditor extends JDialog {
 			}
 			@Override
 			public void actionPerformed(ActionEvent e) {
-				String message = "Do you want to delete selected track ?\n"
-					+ "選択したトラックを削除しますか？";
+				String message = "Do you want to delete selected track ?\n選択したトラックを削除しますか？";
 				if( confirm(message) ) getModel().deleteSelectedTracks();
 			}
 		};
@@ -869,13 +800,11 @@ public class MidiSequenceEditor extends JDialog {
 		private JToggleButton.ToggleButtonModel
 			pairNoteOnOffModel = new JToggleButton.ToggleButtonModel() {
 				{
-					addItemListener(
-						new ItemListener() {
-							public void itemStateChanged(ItemEvent e) {
-								eventDialog.midiMessageForm.durationForm.setEnabled(isSelected());
-							}
+					addItemListener(new ItemListener() {
+						public void itemStateChanged(ItemEvent e) {
+							eventDialog.midiMessageForm.durationForm.setEnabled(isSelected());
 						}
-					);
+					});
 					setSelected(true);
 				}
 			};
@@ -1134,8 +1063,7 @@ public class MidiSequenceEditor extends JDialog {
 			 */
 			@Override
 			public boolean isCellEditable(EventObject e) {
-				if( ! (e instanceof MouseEvent) )
-					return super.isCellEditable(e);
+				if( ! (e instanceof MouseEvent) ) return super.isCellEditable(e);
 				return ((MouseEvent)e).getClickCount() == 2;
 			}
 			@Override
@@ -1210,78 +1138,55 @@ public class MidiSequenceEditor extends JDialog {
 	 * @param deviceModelList MIDIデバイスモデルリスト
 	 */
 	public MidiSequenceEditor(MidiSequencerModel sequencerModel) {
-		// テーブルモデルとテーブルビューの生成
-		sequenceListTable = new SequenceListTable(
-			new PlaylistTableModel(sequencerModel)
-		);
+		sequenceListTable = new SequenceListTable(new PlaylistTableModel(sequencerModel));
 		trackListTable = new TrackListTable(
 			new SequenceTrackListTableModel(sequenceListTable.getModel(), null, null)
 		);
-		eventListTable = new EventListTable(
-			new TrackEventListTableModel(trackListTable.getModel(), null)
-		);
-		// レイアウト
+		eventListTable = new EventListTable(new TrackEventListTableModel(trackListTable.getModel(), null));
 		setTitle("MIDI Editor/Playlist - MIDI Chord Helper");
 		setBounds( 150, 200, 900, 500 );
 		setLayout(new FlowLayout());
 		new DropTarget(this, DnDConstants.ACTION_COPY_OR_MOVE, dropTargetListener, true);
+		//
+		// パネルレイアウト
 		JPanel playlistPanel = new JPanel() {{
 			JPanel playlistOperationPanel = new JPanel() {{
 				setLayout(new BoxLayout(this, BoxLayout.LINE_AXIS));
 				add(Box.createRigidArea(new Dimension(10, 0)));
-				add(new JButton(newSequenceDialog.openAction) {{
-					setMargin(ZERO_INSETS);
-				}});
+				add(new JButton(newSequenceDialog.openAction) {{ setMargin(ZERO_INSETS); }});
 				if( sequenceListTable.midiFileChooser != null ) {
 					add( Box.createRigidArea(new Dimension(5, 0)) );
-					add(new JButton(
-						sequenceListTable.midiFileChooser.openMidiFileAction
-					) {{
+					add(new JButton(sequenceListTable.midiFileChooser.openMidiFileAction) {{
 						setMargin(ZERO_INSETS);
 					}});
 				}
 				if(sequenceListTable.base64EncodeAction != null) {
 					add(Box.createRigidArea(new Dimension(5, 0)));
-					add(new JButton(sequenceListTable.base64EncodeAction) {{
-						setMargin(ZERO_INSETS);
-					}});
+					add(new JButton(sequenceListTable.base64EncodeAction) {{ setMargin(ZERO_INSETS); }});
 				}
 				add(Box.createRigidArea(new Dimension(5, 0)));
 				PlaylistTableModel playlistTableModel = sequenceListTable.getModel();
-				add(new JButton(playlistTableModel.moveToTopAction) {{
-					setMargin(ZERO_INSETS);
-				}});
+				add(new JButton(playlistTableModel.moveToTopAction) {{ setMargin(ZERO_INSETS); }});
 				add(Box.createRigidArea(new Dimension(5, 0)));
-				add(new JButton(playlistTableModel.moveToBottomAction) {{
-					setMargin(ZERO_INSETS);
-				}});
+				add(new JButton(playlistTableModel.moveToBottomAction) {{ setMargin(ZERO_INSETS); }});
 				if( sequenceListTable.midiFileChooser != null ) {
 					add(Box.createRigidArea(new Dimension(5, 0)));
-					add(new JButton(
-						sequenceListTable.midiFileChooser.saveMidiFileAction
-					) {{
+					add(new JButton(sequenceListTable.midiFileChooser.saveMidiFileAction) {{
 						setMargin(ZERO_INSETS);
 					}});
 				}
 				add( Box.createRigidArea(new Dimension(5, 0)) );
-				add(new JButton(sequenceListTable.deleteSequenceAction) {{
-					setMargin(ZERO_INSETS);
-				}});
+				add(new JButton(sequenceListTable.deleteSequenceAction) {{ setMargin(ZERO_INSETS); }});
 				add( Box.createRigidArea(new Dimension(5, 0)) );
-				add(new SequencerSpeedSlider(
-					playlistTableModel.sequencerModel.speedSliderModel
-				));
+				add(new SequencerSpeedSlider(playlistTableModel.sequencerModel.speedSliderModel));
 				add( Box.createRigidArea(new Dimension(5, 0)) );
 				add(new JPanel() {{
+					MidiSequencerModel sequencerModel = sequenceListTable.getModel().sequencerModel;
 					add(new JLabel("SyncMode:"));
 					add(new JLabel("Master"));
-					add(new JComboBox<Sequencer.SyncMode>(
-						sequenceListTable.getModel().sequencerModel.masterSyncModeModel
-					));
+					add(new JComboBox<Sequencer.SyncMode>(sequencerModel.masterSyncModeModel));
 					add(new JLabel("Slave"));
-					add(new JComboBox<Sequencer.SyncMode>(
-						sequenceListTable.getModel().sequencerModel.slaveSyncModeModel
-					));
+					add(new JComboBox<Sequencer.SyncMode>(sequencerModel.slaveSyncModeModel));
 				}});
 			}};
 			setLayout(new BoxLayout(this, BoxLayout.Y_AXIS));
@@ -1292,12 +1197,8 @@ public class MidiSequenceEditor extends JDialog {
 		}};
 		JPanel trackListPanel = new JPanel() {{
 			JPanel trackListOperationPanel = new JPanel() {{
-				add(new JButton(trackListTable.addTrackAction) {{
-					setMargin(ZERO_INSETS);
-				}});
-				add(new JButton(trackListTable.deleteTrackAction) {{
-					setMargin(ZERO_INSETS);
-				}});
+				add(new JButton(trackListTable.addTrackAction) {{ setMargin(ZERO_INSETS); }});
+				add(new JButton(trackListTable.deleteTrackAction) {{ setMargin(ZERO_INSETS); }});
 			}};
 			setLayout(new BoxLayout(this, BoxLayout.PAGE_AXIS));
 			add(trackListTable.titleLabel);
@@ -1312,24 +1213,12 @@ public class MidiSequenceEditor extends JDialog {
 					setModel(eventListTable.pairNoteOnOffModel);
 					setToolTipText("NoteON/OFFをペアで同時選択する");
 				}});
-				add(new JButton(eventListTable.queryJumpEventAction) {{
-					setMargin(ZERO_INSETS);
-				}});
-				add(new JButton(eventListTable.queryAddEventAction) {{
-					setMargin(ZERO_INSETS);
-				}});
-				add(new JButton(eventListTable.copyEventAction) {{
-					setMargin(ZERO_INSETS);
-				}});
-				add(new JButton(eventListTable.cutEventAction) {{
-					setMargin(ZERO_INSETS);
-				}});
-				add(new JButton(eventListTable.queryPasteEventAction) {{
-					setMargin(ZERO_INSETS);
-				}});
-				add(new JButton(eventListTable.deleteEventAction) {{
-					setMargin(ZERO_INSETS);
-				}});
+				add(new JButton(eventListTable.queryJumpEventAction) {{ setMargin(ZERO_INSETS); }});
+				add(new JButton(eventListTable.queryAddEventAction) {{ setMargin(ZERO_INSETS); }});
+				add(new JButton(eventListTable.copyEventAction) {{ setMargin(ZERO_INSETS); }});
+				add(new JButton(eventListTable.cutEventAction) {{ setMargin(ZERO_INSETS); }});
+				add(new JButton(eventListTable.queryPasteEventAction) {{ setMargin(ZERO_INSETS); }});
+				add(new JButton(eventListTable.deleteEventAction) {{ setMargin(ZERO_INSETS); }});
 			}};
 			setLayout(new BoxLayout(this, BoxLayout.Y_AXIS));
 			add(eventListTable.titleLabel);
diff --git a/src/camidion/chordhelper/midieditor/PlaylistTableModel.java b/src/camidion/chordhelper/midieditor/PlaylistTableModel.java
index db1e895..6bd4e12 100644
--- a/src/camidion/chordhelper/midieditor/PlaylistTableModel.java
+++ b/src/camidion/chordhelper/midieditor/PlaylistTableModel.java
@@ -410,9 +410,7 @@ public class PlaylistTableModel extends AbstractTableModel {
 	 * @return 未保存の修正内容を持つシーケンスがあればtrue
 	 */
 	public boolean isModified() {
-		for( SequenceTrackListTableModel m : sequenceList ) {
-			if( m.isModified() ) return true;
-		}
+		for( SequenceTrackListTableModel m : sequenceList ) if( m.isModified() ) return true;
 		return false;
 	}
 	/**
@@ -448,8 +446,7 @@ public class PlaylistTableModel extends AbstractTableModel {
 	 */
 	public void fireSequenceModified(SequenceTrackListTableModel sequenceTableModel) {
 		int index = sequenceList.indexOf(sequenceTableModel);
-		if( index < 0 )
-			return;
+		if( index < 0 ) return;
 		sequenceTableModel.setModified(true);
 		fireTableRowsUpdated(index, index);
 	}
@@ -511,9 +508,7 @@ public class PlaylistTableModel extends AbstractTableModel {
 	 * @return 追加されたシーケンスのインデックス（先頭が 0）
 	 */
 	public int addSequence(Sequence sequence, String filename) {
-		sequenceList.add(
-			new SequenceTrackListTableModel(this, sequence, filename)
-		);
+		sequenceList.add( new SequenceTrackListTableModel(this, sequence, filename) );
 		int lastIndex = sequenceList.size() - 1;
 		fireTableRowsInserted(lastIndex, lastIndex);
 		return lastIndex;
@@ -553,14 +548,11 @@ public class PlaylistTableModel extends AbstractTableModel {
 	 * @throws InvalidMidiDataException ファイル内のMIDIデータが正しくない場合
 	 * @throws IOException ファイル入出力に失敗した場合
 	 */
-	public int addSequences(List<File> fileList)
-		throws InvalidMidiDataException, IOException
-	{
+	public int addSequences(List<File> fileList) throws InvalidMidiDataException, IOException {
 		int firstIndex = -1;
 		for( File file : fileList ) {
 			int lastIndex = addSequence(file);
-			if( firstIndex == -1 )
-				firstIndex = lastIndex;
+			if( firstIndex == -1 ) firstIndex = lastIndex;
 		}
 		return firstIndex;
 	}
@@ -575,50 +567,43 @@ public class PlaylistTableModel extends AbstractTableModel {
 	public int addSequenceFromURL(String midiFileUrl)
 		throws URISyntaxException, IOException, InvalidMidiDataException
 	{
-		URI uri = new URI(midiFileUrl);
-		URL url = uri.toURL();
-		Sequence seq = MidiSystem.getSequence(url);
-		String filename = url.getFile().replaceFirst("^.*/","");
-		return addSequence(seq, filename);
+		URL url = (new URI(midiFileUrl)).toURL();
+		return addSequence(MidiSystem.getSequence(url), url.getFile().replaceFirst("^.*/",""));
 	}
 
 	/**
-	 * 選択したシーケンスを除去します。
-	 * @param listSelectionModel 選択状態
+	 * 選択されたシーケンスを除去します。
+	 * 除去されたシーケンスがシーケンサーにロード済みの場合、アンロードします。
 	 */
 	public void removeSelectedSequence() {
-		if( sequenceListSelectionModel.isSelectionEmpty() )
-			return;
+		if( sequenceListSelectionModel.isSelectionEmpty() ) return;
 		int selectedIndex = sequenceListSelectionModel.getMinSelectionIndex();
-		if( sequenceList.remove(selectedIndex).isOnSequencer() ) {
-			// 削除したシーケンスが
-			// シーケンサーにロード済みだった場合、アンロードする。
+		if( sequenceList.remove(selectedIndex).isOnSequencer() )
 			sequencerModel.setSequenceTrackListTableModel(null);
-		}
 		fireTableRowsDeleted(selectedIndex, selectedIndex);
 	}
 	/**
 	 * 指定したインデックス位置のシーケンスをシーケンサーにロードします。
+	 * すでに同じIDのシーケンスがロードされていた場合はスキップします。
 	 * @param index シーケンスのインデックス位置（-1 を指定するとアンロードされます）
 	 */
 	public void loadToSequencer(int index) {
 		SequenceTrackListTableModel oldSeq = sequencerModel.getSequenceTrackListTableModel();
 		SequenceTrackListTableModel newSeq = (index < 0 ? null : sequenceList.get(index));
-		if(oldSeq == newSeq)
-			return;
+		if(oldSeq == newSeq) return;
 		sequencerModel.setSequenceTrackListTableModel(newSeq);
+		//
+		// 変更点をテーブルビューに通知して再表示してもらう
 		int columnIndices[] = {
 			Column.PLAY.ordinal(),
 			Column.POSITION.ordinal(),
 		};
 		if( oldSeq != null ) {
 			int oldIndex = sequenceList.indexOf(oldSeq);
-			for( int columnIndex : columnIndices )
-				fireTableCellUpdated(oldIndex, columnIndex);
+			for( int columnIndex : columnIndices ) fireTableCellUpdated(oldIndex, columnIndex);
 		}
 		if( newSeq != null ) {
-			for( int columnIndex : columnIndices )
-				fireTableCellUpdated(index, columnIndex);
+			for( int columnIndex : columnIndices ) fireTableCellUpdated(index, columnIndex);
 		}
 	}
 	/**
@@ -637,9 +622,8 @@ public class PlaylistTableModel extends AbstractTableModel {
 	public boolean loadNext(int offset) {
 		int loadedIndex = indexOfSequenceOnSequencer();
 		int index = (loadedIndex < 0 ? 0 : loadedIndex + offset);
-		if( index < 0 || index >= sequenceList.size() )
-			return false;
+		if( index < 0 || index >= sequenceList.size() ) return false;
 		loadToSequencer(index);
 		return true;
 	}
-}
\ No newline at end of file
+}
-- 
2.11.0