Example #1
0
        private MainMenu CreateMainMenu(NoteView noteView)
        {
            var importPluginItems = PluginManager.ScoreBookImportPlugins.Select(p => new MenuItem(p.DisplayName, (s, e) =>
            {
                if (!ConfirmDiscardChanges())
                {
                    return;
                }
                if (!TrySelectOpeningFile(p.FileFilter, out string path))
                {
                    return;
                }

                using (var stream = new FileStream(path, FileMode.Open, FileAccess.Read))
                {
                    var args = new ScoreBookImportPluginArgs(stream);
                    HandleImport(p, args);
                }
            })).ToArray();

            var exportPluginItems = PluginManager.ScoreBookExportPlugins.Select(p => new MenuItem(p.DisplayName, (s, e) =>
            {
                ExportAs(p);
            })).ToArray();

            var bookPropertiesMenuItem = new MenuItem(MainFormStrings.BookProperty, (s, e) =>
            {
                var vm     = new BookPropertiesWindowViewModel(ScoreBook, CurrentMusicSource);
                var window = new BookPropertiesWindow()
                {
                    DataContext = vm
                };
                window.ShowDialog(this);
            });

            var fileMenuItems = new MenuItem[]
            {
                new MenuItem(MainFormStrings.NewFile + "(&N)", (s, e) => ClearFile())
                {
                    Shortcut = Shortcut.CtrlN
                },
                new MenuItem(MainFormStrings.OpenFile + "(&O)", (s, e) => OpenFile())
                {
                    Shortcut = Shortcut.CtrlO
                },
                new MenuItem(MainFormStrings.SaveFile + "(&S)", (s, e) => SaveFile())
                {
                    Shortcut = Shortcut.CtrlS
                },
                new MenuItem(MainFormStrings.SaveAs + "(&A)", (s, e) => SaveAs())
                {
                    Shortcut = Shortcut.CtrlShiftS
                },
                new MenuItem("-"),
                new MenuItem(MainFormStrings.Import, importPluginItems)
                {
                    Enabled = importPluginItems.Length > 0
                },
                new MenuItem(MainFormStrings.Export, exportPluginItems)
                {
                    Enabled = exportPluginItems.Length > 0
                },
                new MenuItem("-"),
                bookPropertiesMenuItem,
                new MenuItem("-"),
                new MenuItem(MainFormStrings.Exit + "(&X)", (s, e) => this.Close())
            };

            var undoItem = new MenuItem(MainFormStrings.Undo, (s, e) => OperationManager.Undo())
            {
                Shortcut = Shortcut.CtrlZ,
                Enabled  = false
            };
            var redoItem = new MenuItem(MainFormStrings.Redo, (s, e) => OperationManager.Redo())
            {
                Shortcut = Shortcut.CtrlY,
                Enabled  = false
            };

            var cutItem          = new MenuItem(MainFormStrings.Cut, (s, e) => noteView.CutSelectedNotes(), Shortcut.CtrlX);
            var copyItem         = new MenuItem(MainFormStrings.Copy, (s, e) => noteView.CopySelectedNotes(), Shortcut.CtrlC);
            var pasteItem        = new MenuItem(MainFormStrings.Paste, (s, e) => noteView.PasteNotes(), Shortcut.CtrlV);
            var pasteFlippedItem = new MenuItem(MainFormStrings.PasteFlipped, (s, e) => noteView.PasteFlippedNotes(), Shortcut.CtrlShiftV);

            var selectAllItem          = new MenuItem(MainFormStrings.SelectAll, (s, e) => noteView.SelectAll(), Shortcut.CtrlA);
            var selectToEndItem        = new MenuItem(MainFormStrings.SelectToEnd, (s, e) => noteView.SelectToEnd());
            var selectoToBeginningItem = new MenuItem(MainFormStrings.SelectToBeginning, (s, e) => noteView.SelectToBeginning());

            var flipSelectedNotesItem   = new MenuItem(MainFormStrings.FlipSelectedNotes, (s, e) => noteView.FlipSelectedNotes());
            var removeSelectedNotesItem = new MenuItem(MainFormStrings.RemoveSelectedNotes, (s, e) => noteView.RemoveSelectedNotes(), Shortcut.Del);

            var removeEventsItem = new MenuItem(MainFormStrings.RemoveEvents, (s, e) =>
            {
                int minTick = noteView.SelectedRange.StartTick + (noteView.SelectedRange.Duration < 0 ? noteView.SelectedRange.Duration : 0);
                int maxTick = noteView.SelectedRange.StartTick + (noteView.SelectedRange.Duration < 0 ? 0 : noteView.SelectedRange.Duration);
                bool isContained(EventBase p) => p.Tick != 0 && minTick <= p.Tick && maxTick >= p.Tick;
                var events = ScoreBook.Score.Events;

                var bpmOp = events.BpmChangeEvents.Where(p => isContained(p)).ToList().Select(p =>
                {
                    ScoreBook.Score.Events.BpmChangeEvents.Remove(p);
                    return(new RemoveEventOperation <BpmChangeEvent>(events.BpmChangeEvents, p));
                }).ToList();

                var speedOp = events.HighSpeedChangeEvents.Where(p => isContained(p)).ToList().Select(p =>
                {
                    ScoreBook.Score.Events.HighSpeedChangeEvents.Remove(p);
                    return(new RemoveEventOperation <HighSpeedChangeEvent>(events.HighSpeedChangeEvents, p));
                }).ToList();

                var signatureOp = events.TimeSignatureChangeEvents.Where(p => isContained(p)).ToList().Select(p =>
                {
                    ScoreBook.Score.Events.TimeSignatureChangeEvents.Remove(p);
                    return(new RemoveEventOperation <TimeSignatureChangeEvent>(events.TimeSignatureChangeEvents, p));
                }).ToList();

                OperationManager.Push(new CompositeOperation("イベント削除", bpmOp.Cast <IOperation>().Concat(speedOp).Concat(signatureOp)));
                noteView.Invalidate();
            });

            var insertAirWithAirActionItem = new MenuItem(MainFormStrings.InsertAirWithAirAction, (s, e) =>
            {
                var item     = s as MenuItem;
                item.Checked = !item.Checked;
                NoteView.InsertAirWithAirAction = item.Checked;
                ApplicationSettings.Default.InsertAirWithAirAction = item.Checked;
            })
            {
                Checked = ApplicationSettings.Default.InsertAirWithAirAction
            };

            var pluginItems = PluginManager.ScorePlugins.Select(p => new MenuItem(p.DisplayName, (s, e) =>
            {
                CommitChanges();
                void updateScore(Score newScore)
                {
                    var op = new UpdateScoreOperation(ScoreBook.Score, newScore, score =>
                    {
                        ScoreBook.Score = score;
                        noteView.UpdateScore(score);
                    });
                    OperationManager.InvokeAndPush(op);
                }

                try
                {
                    p.Run(new ScorePluginArgs(() => ScoreBook.Score.Clone(), noteView.SelectedRange, updateScore));
                }
                catch (Exception ex)
                {
                    Program.DumpExceptionTo(ex, "plugin_exception.json");
                    MessageBox.Show(this, ErrorStrings.PluginException, Program.ApplicationName, MessageBoxButtons.OK, MessageBoxIcon.Error);
                }
            })).ToArray();
            var pluginItem = new MenuItem(MainFormStrings.Plugin, pluginItems)
            {
                Enabled = pluginItems.Length > 0
            };

            var editMenuItems = new MenuItem[]
            {
                undoItem, redoItem, new MenuItem("-"),
                cutItem, copyItem, pasteItem, pasteFlippedItem, new MenuItem("-"),
                selectAllItem, selectToEndItem, selectoToBeginningItem, new MenuItem("-"),
                flipSelectedNotesItem, removeSelectedNotesItem, removeEventsItem, new MenuItem("-"),
                insertAirWithAirActionItem, new MenuItem("-"),
                pluginItem
            };

            var viewModeItem = new MenuItem(MainFormStrings.ScorePreview, (s, e) =>
            {
                IsPreviewMode         = !IsPreviewMode;
                ((MenuItem)s).Checked = IsPreviewMode;
            }, Shortcut.CtrlP);

            WidenLaneWidthMenuItem  = new MenuItem(MainFormStrings.WidenLaneWidth);
            NarrowLaneWidthMenuItem = new MenuItem(MainFormStrings.NarrowLaneWidth);

            WidenLaneWidthMenuItem.Click += (s, e) =>
            {
                noteView.UnitLaneWidth += 4;
                ApplicationSettings.Default.UnitLaneWidth = noteView.UnitLaneWidth;
                WidenLaneWidthMenuItem.Enabled            = CanWidenLaneWidth;
                NarrowLaneWidthMenuItem.Enabled           = CanNarrowLaneWidth;
            };
            NarrowLaneWidthMenuItem.Click += (s, e) =>
            {
                noteView.UnitLaneWidth -= 4;
                ApplicationSettings.Default.UnitLaneWidth = noteView.UnitLaneWidth;
                WidenLaneWidthMenuItem.Enabled            = CanWidenLaneWidth;
                NarrowLaneWidthMenuItem.Enabled           = CanNarrowLaneWidth;
            };

            var viewMenuItems = new MenuItem[] {
                viewModeItem,
                new MenuItem("-"),
                WidenLaneWidthMenuItem, NarrowLaneWidthMenuItem
            };

            void UpdateEvent <T>(List <T> list, T item) where T : EventBase
            {
                var prev = list.SingleOrDefault(p => p.Tick == item.Tick);

                var insertOp = new InsertEventOperation <T>(list, item);

                if (prev == null)
                {
                    OperationManager.InvokeAndPush(insertOp);
                }
                else
                {
                    var removeOp = new RemoveEventOperation <T>(list, prev);
                    OperationManager.InvokeAndPush(new CompositeOperation(insertOp.Description, new IOperation[] { removeOp, insertOp }));
                }
                noteView.Invalidate();
            }

            var insertBpmItem = new MenuItem("BPM", (s, e) =>
            {
                var form = new BpmSelectionForm()
                {
                    Bpm = noteView.ScoreEvents.BpmChangeEvents.OrderBy(p => p.Tick).LastOrDefault(p => p.Tick <= noteView.CurrentTick)?.Bpm ?? 120
                };
                if (form.ShowDialog(this) != DialogResult.OK)
                {
                    return;
                }

                var item = new BpmChangeEvent()
                {
                    Tick = noteView.CurrentTick,
                    Bpm  = form.Bpm
                };
                UpdateEvent(noteView.ScoreEvents.BpmChangeEvents, item);
            });

            var insertHighSpeedItem = new MenuItem(MainFormStrings.HighSpeed, (s, e) =>
            {
                var form = new HighSpeedSelectionForm()
                {
                    SpeedRatio = noteView.ScoreEvents.HighSpeedChangeEvents.OrderBy(p => p.Tick).LastOrDefault(p => p.Tick <= noteView.CurrentTick)?.SpeedRatio ?? 1.0m
                };
                if (form.ShowDialog(this) != DialogResult.OK)
                {
                    return;
                }

                var item = new HighSpeedChangeEvent()
                {
                    Tick       = noteView.CurrentTick,
                    SpeedRatio = form.SpeedRatio
                };
                UpdateEvent(noteView.ScoreEvents.HighSpeedChangeEvents, item);
            });

            var insertTimeSignatureItem = new MenuItem(MainFormStrings.TimeSignature, (s, e) =>
            {
                var form = new TimeSignatureSelectionForm();
                if (form.ShowDialog(this) != DialogResult.OK)
                {
                    return;
                }

                var item = new TimeSignatureChangeEvent()
                {
                    Tick                = noteView.CurrentTick,
                    Numerator           = form.Numerator,
                    DenominatorExponent = form.DenominatorExponent
                };
                UpdateEvent(noteView.ScoreEvents.TimeSignatureChangeEvents, item);
            });

            var insertMenuItems = new MenuItem[] { insertBpmItem, insertHighSpeedItem, insertTimeSignatureItem };

            var isAbortAtLastNoteItem = new MenuItem(MainFormStrings.AbortAtLastNote, (s, e) =>
            {
                var item     = s as MenuItem;
                item.Checked = !item.Checked;
                PreviewManager.IsStopAtLastNote = item.Checked;
                ApplicationSettings.Default.IsPreviewAbortAtLastNote = item.Checked;
            })
            {
                Checked = ApplicationSettings.Default.IsPreviewAbortAtLastNote
            };

            var playItem = new MenuItem(MainFormStrings.Play, (s, e) =>
            {
                if (string.IsNullOrEmpty(CurrentMusicSource?.FilePath))
                {
                    MessageBox.Show(this, ErrorStrings.MusicSourceNull, Program.ApplicationName, MessageBoxButtons.OK, MessageBoxIcon.Warning);
                    return;
                }
                if (!File.Exists(CurrentMusicSource.FilePath))
                {
                    MessageBox.Show(this, ErrorStrings.SourceFileNotFound, Program.ApplicationName, MessageBoxButtons.OK, MessageBoxIcon.Warning);
                    return;
                }

                if (PreviewManager.Playing)
                {
                    PreviewManager.Stop();
                    return;
                }

                int startTick = noteView.CurrentTick;
                void lambda(object p, EventArgs q)
                {
                    isAbortAtLastNoteItem.Enabled = true;
                    PreviewManager.Finished      -= lambda;
                    noteView.CurrentTick          = startTick;
                    noteView.Editable             = CanEdit;
                }

                try
                {
                    CommitChanges();
                    var context = new SoundPreviewContext(ScoreBook.Score, CurrentMusicSource);
                    if (!PreviewManager.Start(context, startTick))
                    {
                        return;
                    }
                    isAbortAtLastNoteItem.Enabled = false;
                    PreviewManager.Finished      += lambda;
                    noteView.Editable             = CanEdit;
                }
                catch (Exception ex)
                {
                    Program.DumpExceptionTo(ex, "sound_exception.json");
                }
            }, (Shortcut)Keys.Space);

            var stopItem = new MenuItem(MainFormStrings.Stop, (s, e) =>
            {
                PreviewManager.Stop();
            });

            var playMenuItems = new MenuItem[]
            {
                playItem, stopItem, new MenuItem("-"),
                isAbortAtLastNoteItem
            };

            var helpMenuItems = new MenuItem[]
            {
                new MenuItem(MainFormStrings.Help, (s, e) => System.Diagnostics.Process.Start("https://github.com/paralleltree/Ched/wiki"), Shortcut.F1),
                new MenuItem(MainFormStrings.VersionInfo, (s, e) => new VersionInfoForm().ShowDialog(this))
            };

            OperationManager.OperationHistoryChanged += (s, e) =>
            {
                redoItem.Enabled = OperationManager.CanRedo;
                undoItem.Enabled = OperationManager.CanUndo;
            };

            return(new MainMenu(new MenuItem[]
            {
                new MenuItem(MainFormStrings.FileMenu, fileMenuItems),
                new MenuItem(MainFormStrings.EditMenu, editMenuItems),
                new MenuItem(MainFormStrings.ViewMenu, viewMenuItems),
                new MenuItem(MainFormStrings.InsertMenu, insertMenuItems),
                // PreviewManager初期化後じゃないといけないのダメ設計でしょ
                new MenuItem(MainFormStrings.PlayMenu, playMenuItems)
                {
                    Enabled = PreviewManager.IsSupported
                },
                new MenuItem(MainFormStrings.HelpMenu, helpMenuItems)
            }));
        }
Example #2
0
        private MainMenu CreateMainMenu(NoteView noteView)
        {
            var importPluginItems = PluginManager.ScoreBookImportPlugins.Select(p => new MenuItem(p.DisplayName, (s, e) =>
            {
                OpenFile(p.FileFilter, q =>
                {
                    try
                    {
                        using (var reader = new StreamReader(q))
                            LoadBook(p.Import(reader));
                    }
                    catch (Exception ex)
                    {
                        MessageBox.Show(this, ErrorStrings.ImportFailed, Program.ApplicationName, MessageBoxButtons.OK, MessageBoxIcon.Error);
                        Program.DumpExceptionTo(ex, "import_exception.json");
                        LoadEmptyBook();
                    }
                });
            })).ToArray();

            var bookPropertiesMenuItem = new MenuItem(MainFormStrings.bookProperty, (s, e) =>
            {
                var form = new BookPropertiesForm(ScoreBook, CurrentMusicSource);
                if (form.ShowDialog(this) == DialogResult.OK)
                {
                    CurrentMusicSource = form.MusicSource;
                    if (string.IsNullOrEmpty(ScoreBook.Path))
                    {
                        return;
                    }
                    SoundSettings.Default.ScoreSound[ScoreBook.Path] = CurrentMusicSource;
                    SoundSettings.Default.Save();
                }
            });

            var fileMenuItems = new MenuItem[]
            {
                new MenuItem(MainFormStrings.NewFile + "(&N)", (s, e) => ClearFile())
                {
                    Shortcut = Shortcut.CtrlN
                },
                new MenuItem(MainFormStrings.OpenFile + "(&O)", (s, e) => OpenFile())
                {
                    Shortcut = Shortcut.CtrlO
                },
                new MenuItem(MainFormStrings.SaveFile + "(&S)", (s, e) => SaveFile())
                {
                    Shortcut = Shortcut.CtrlS
                },
                new MenuItem(MainFormStrings.SaveAs + "(&A)", (s, e) => SaveAs())
                {
                    Shortcut = Shortcut.CtrlShiftS
                },
                new MenuItem("-"),
                new MenuItem(MainFormStrings.Import, importPluginItems),
                new MenuItem(MainFormStrings.Export, (s, e) => ExportFile()),
                new MenuItem("-"),
                bookPropertiesMenuItem,
                new MenuItem("-"),
                new MenuItem(MainFormStrings.Exit + "(&X)", (s, e) => this.Close())
            };

            var undoItem = new MenuItem(MainFormStrings.Undo, (s, e) => noteView.Undo())
            {
                Shortcut = Shortcut.CtrlZ,
                Enabled  = false
            };
            var redoItem = new MenuItem(MainFormStrings.Redo, (s, e) => noteView.Redo())
            {
                Shortcut = Shortcut.CtrlY,
                Enabled  = false
            };

            var cutItem          = new MenuItem(MainFormStrings.Cut, (s, e) => noteView.CutSelectedNotes(), Shortcut.CtrlX);
            var copyItem         = new MenuItem(MainFormStrings.Copy, (s, e) => noteView.CopySelectedNotes(), Shortcut.CtrlC);
            var pasteItem        = new MenuItem(MainFormStrings.Paste, (s, e) => noteView.PasteNotes(), Shortcut.CtrlV);
            var pasteFlippedItem = new MenuItem(MainFormStrings.PasteFlipped, (s, e) => noteView.PasteFlippedNotes(), Shortcut.CtrlShiftV);

            var flipSelectedNotesItem   = new MenuItem(MainFormStrings.FlipSelectedNotes, (s, e) => noteView.FlipSelectedNotes());
            var removeSelectedNotesItem = new MenuItem(MainFormStrings.RemoveSelectedNotes, (s, e) => noteView.RemoveSelectedNotes(), Shortcut.Del);

            var removeEventsItem = new MenuItem(MainFormStrings.RemoveEvents, (s, e) =>
            {
                int minTick = noteView.SelectedRange.StartTick + (noteView.SelectedRange.Duration < 0 ? noteView.SelectedRange.Duration : 0);
                int maxTick = noteView.SelectedRange.StartTick + (noteView.SelectedRange.Duration < 0 ? 0 : noteView.SelectedRange.Duration);
                Func <EventBase, bool> isContained = p => p.Tick != 0 && minTick <= p.Tick && maxTick >= p.Tick;
                var events = ScoreBook.Score.Events;

                var bpmOp = events.BPMChangeEvents.Where(p => isContained(p)).ToList().Select(p =>
                {
                    ScoreBook.Score.Events.BPMChangeEvents.Remove(p);
                    return(new RemoveEventOperation <BPMChangeEvent>(events.BPMChangeEvents, p));
                }).ToList();

                var speedOp = events.HighSpeedChangeEvents.Where(p => isContained(p)).ToList().Select(p =>
                {
                    ScoreBook.Score.Events.HighSpeedChangeEvents.Remove(p);
                    return(new RemoveEventOperation <HighSpeedChangeEvent>(events.HighSpeedChangeEvents, p));
                }).ToList();

                var signatureOp = events.TimeSignatureChangeEvents.Where(p => isContained(p)).ToList().Select(p =>
                {
                    ScoreBook.Score.Events.TimeSignatureChangeEvents.Remove(p);
                    return(new RemoveEventOperation <TimeSignatureChangeEvent>(events.TimeSignatureChangeEvents, p));
                }).ToList();

                OperationManager.Push(new CompositeOperation("イベント削除", bpmOp.Cast <IOperation>().Concat(speedOp).Concat(signatureOp)));
                noteView.Invalidate();
            });

            var insertAirWithAirActionItem = new MenuItem(MainFormStrings.InsertAirWithAirAction, (s, e) =>
            {
                var item     = s as MenuItem;
                item.Checked = !item.Checked;
                NoteView.InsertAirWithAirAction = item.Checked;
                ApplicationSettings.Default.InsertAirWithAirAction = item.Checked;
            })
            {
                Checked = ApplicationSettings.Default.InsertAirWithAirAction
            };

            var pluginItems = PluginManager.ScorePlugins.Select(p => new MenuItem(p.DisplayName, (s, e) =>
            {
                CommitChanges();
                Action <Score> updateScore = newScore =>
                {
                    var op = new UpdateScoreOperation(ScoreBook.Score, newScore, score =>
                    {
                        ScoreBook.Score = score;
                        noteView.UpdateScore(score);
                    });
                    OperationManager.Push(op);
                    op.Redo();
                };

                try
                {
                    p.Run(new ScorePluginArgs(() => ScoreBook.Score.Clone(), noteView.SelectedRange, updateScore));
                }
                catch (Exception ex)
                {
                    Program.DumpExceptionTo(ex, "plugin_exception.json");
                    MessageBox.Show(this, ErrorStrings.PluginException, Program.ApplicationName, MessageBoxButtons.OK, MessageBoxIcon.Error);
                }
            })).ToArray();
            var pluginItem = new MenuItem(MainFormStrings.Plugin, pluginItems);

            var editMenuItems = new MenuItem[]
            {
                undoItem, redoItem, new MenuItem("-"),
                cutItem, copyItem, pasteItem, pasteFlippedItem, new MenuItem("-"),
                flipSelectedNotesItem, removeSelectedNotesItem, removeEventsItem, new MenuItem("-"),
                insertAirWithAirActionItem, new MenuItem("-"),
                pluginItem
            };

            var viewModeItem = new MenuItem(MainFormStrings.ScorePreview, (s, e) =>
            {
                IsPreviewMode         = !IsPreviewMode;
                ((MenuItem)s).Checked = IsPreviewMode;
            }, Shortcut.CtrlP);

            WidenLaneWidthMenuItem  = new MenuItem(MainFormStrings.WidenLaneWidth);
            NarrowLaneWidthMenuItem = new MenuItem(MainFormStrings.NarrowLaneWidth);

            WidenLaneWidthMenuItem.Click += (s, e) =>
            {
                noteView.UnitLaneWidth += 4;
                ApplicationSettings.Default.UnitLaneWidth = noteView.UnitLaneWidth;
                WidenLaneWidthMenuItem.Enabled            = CanWidenLaneWidth;
                NarrowLaneWidthMenuItem.Enabled           = CanNarrowLaneWidth;
            };
            NarrowLaneWidthMenuItem.Click += (s, e) =>
            {
                noteView.UnitLaneWidth -= 4;
                ApplicationSettings.Default.UnitLaneWidth = noteView.UnitLaneWidth;
                WidenLaneWidthMenuItem.Enabled            = CanWidenLaneWidth;
                NarrowLaneWidthMenuItem.Enabled           = CanNarrowLaneWidth;
            };

            var viewMenuItems = new MenuItem[] {
                viewModeItem,
                new MenuItem("-"),
                WidenLaneWidthMenuItem, NarrowLaneWidthMenuItem
            };

            var insertBPMItem = new MenuItem("BPM", (s, e) =>
            {
                var form = new BPMSelectionForm()
                {
                    BPM = noteView.ScoreEvents.BPMChangeEvents.OrderBy(p => p.Tick).LastOrDefault(p => p.Tick <= noteView.CurrentTick)?.BPM ?? 120m
                };
                if (form.ShowDialog(this) != DialogResult.OK)
                {
                    return;
                }

                var prev = noteView.ScoreEvents.BPMChangeEvents.SingleOrDefault(p => p.Tick == noteView.SelectedRange.StartTick);
                var item = new BPMChangeEvent()
                {
                    Tick = noteView.SelectedRange.StartTick,
                    BPM  = form.BPM
                };

                var insertOp = new InsertEventOperation <BPMChangeEvent>(noteView.ScoreEvents.BPMChangeEvents, item);
                if (prev == null)
                {
                    OperationManager.Push(insertOp);
                }
                else
                {
                    var removeOp = new RemoveEventOperation <BPMChangeEvent>(noteView.ScoreEvents.BPMChangeEvents, prev);
                    noteView.ScoreEvents.BPMChangeEvents.Remove(prev);
                    OperationManager.Push(new CompositeOperation(insertOp.Description, new IOperation[] { removeOp, insertOp }));
                }

                noteView.ScoreEvents.BPMChangeEvents.Add(item);
                noteView.Invalidate();
            });

            var insertHighSpeedItem = new MenuItem(MainFormStrings.HighSpeed, (s, e) =>
            {
                var form = new HighSpeedSelectionForm()
                {
                    SpeedRatio = noteView.ScoreEvents.HighSpeedChangeEvents.OrderBy(p => p.Tick).LastOrDefault(p => p.Tick <= noteView.CurrentTick)?.SpeedRatio ?? 1.0m
                };
                if (form.ShowDialog(this) != DialogResult.OK)
                {
                    return;
                }

                var prev = noteView.ScoreEvents.HighSpeedChangeEvents.SingleOrDefault(p => p.Tick == noteView.SelectedRange.StartTick);
                var item = new HighSpeedChangeEvent()
                {
                    Tick       = noteView.SelectedRange.StartTick,
                    SpeedRatio = form.SpeedRatio
                };

                var insertOp = new InsertEventOperation <HighSpeedChangeEvent>(noteView.ScoreEvents.HighSpeedChangeEvents, item);
                if (prev == null)
                {
                    OperationManager.Push(insertOp);
                }
                else
                {
                    var removeOp = new RemoveEventOperation <HighSpeedChangeEvent>(noteView.ScoreEvents.HighSpeedChangeEvents, prev);
                    noteView.ScoreEvents.HighSpeedChangeEvents.Remove(prev);
                    OperationManager.Push(new CompositeOperation(insertOp.Description, new IOperation[] { removeOp, insertOp }));
                }

                noteView.ScoreEvents.HighSpeedChangeEvents.Add(item);
                noteView.Invalidate();
            });

            var insertTimeSignatureItem = new MenuItem(MainFormStrings.TimeSignature, (s, e) =>
            {
                var form = new TimeSignatureSelectionForm();
                if (form.ShowDialog(this) != DialogResult.OK)
                {
                    return;
                }

                var prev = noteView.ScoreEvents.TimeSignatureChangeEvents.SingleOrDefault(p => p.Tick == noteView.SelectedRange.StartTick);
                var item = new TimeSignatureChangeEvent()
                {
                    Tick                = noteView.SelectedRange.StartTick,
                    Numerator           = form.Numerator,
                    DenominatorExponent = form.DenominatorExponent
                };

                var insertOp = new InsertEventOperation <TimeSignatureChangeEvent>(noteView.ScoreEvents.TimeSignatureChangeEvents, item);
                if (prev != null)
                {
                    noteView.ScoreEvents.TimeSignatureChangeEvents.Remove(prev);
                    var removeOp = new RemoveEventOperation <TimeSignatureChangeEvent>(noteView.ScoreEvents.TimeSignatureChangeEvents, prev);
                    OperationManager.Push(new CompositeOperation(insertOp.Description, new IOperation[] { removeOp, insertOp }));
                }
                else
                {
                    OperationManager.Push(insertOp);
                }

                noteView.ScoreEvents.TimeSignatureChangeEvents.Add(item);
                noteView.Invalidate();
            });

            var insertMenuItems = new MenuItem[] { insertBPMItem, insertHighSpeedItem, insertTimeSignatureItem };

            var isAbortAtLastNoteItem = new MenuItem(MainFormStrings.AbortAtLastNote, (s, e) =>
            {
                var item     = s as MenuItem;
                item.Checked = !item.Checked;
                PreviewManager.IsStopAtLastNote = item.Checked;
                ApplicationSettings.Default.IsPreviewAbortAtLastNote = item.Checked;
            })
            {
                Checked = ApplicationSettings.Default.IsPreviewAbortAtLastNote
            };

            var playItem = new MenuItem(MainFormStrings.Play, (s, e) =>
            {
                if (CurrentMusicSource == null)
                {
                    MessageBox.Show(this, ErrorStrings.MusicSourceNull, Program.ApplicationName, MessageBoxButtons.OK, MessageBoxIcon.Warning);
                    return;
                }
                if (!File.Exists(CurrentMusicSource.FilePath))
                {
                    MessageBox.Show(this, ErrorStrings.SourceFileNotFound, Program.ApplicationName, MessageBoxButtons.OK, MessageBoxIcon.Warning);
                    return;
                }

                if (PreviewManager.Playing)
                {
                    PreviewManager.Stop();
                    return;
                }

                int startTick       = noteView.CurrentTick;
                EventHandler lambda = null;
                lambda = (p, q) =>
                {
                    isAbortAtLastNoteItem.Enabled = true;
                    PreviewManager.Finished      -= lambda;
                    noteView.CurrentTick          = startTick;
                };

                try
                {
                    if (!PreviewManager.Start(CurrentMusicSource, startTick))
                    {
                        return;
                    }
                    isAbortAtLastNoteItem.Enabled = false;
                    PreviewManager.Finished      += lambda;
                    noteView.Editable             = CanEdit;
                }
                catch (Exception ex)
                {
                    Program.DumpExceptionTo(ex, "sound_exception.json");
                }
            }, (Shortcut)Keys.Space);

            var stopItem = new MenuItem(MainFormStrings.Stop, (s, e) =>
            {
                PreviewManager.Stop();
            });

            var playMenuItems = new MenuItem[]
            {
                playItem, stopItem, new MenuItem("-"),
                isAbortAtLastNoteItem
            };

            var helpMenuItems = new MenuItem[]
            {
                new MenuItem(MainFormStrings.Help, (s, e) => System.Diagnostics.Process.Start("https://github.com/paralleltree/Ched/wiki"), Shortcut.F1),
                new MenuItem(MainFormStrings.VersionInfo, (s, e) => new VersionInfoForm().ShowDialog(this))
            };

            OperationManager.OperationHistoryChanged += (s, e) =>
            {
                redoItem.Enabled = noteView.CanRedo;
                undoItem.Enabled = noteView.CanUndo;
            };

            return(new MainMenu(new MenuItem[]
            {
                new MenuItem(MainFormStrings.FileMenu, fileMenuItems),
                new MenuItem(MainFormStrings.EditMenu, editMenuItems),
                new MenuItem(MainFormStrings.ViewMenu, viewMenuItems),
                new MenuItem(MainFormStrings.InsertMenu, insertMenuItems),
                // PreviewManager初期化後じゃないといけないのダメ設計でしょ
                new MenuItem(MainFormStrings.PlayMenu, playMenuItems)
                {
                    Enabled = PreviewManager.IsSupported
                },
                new MenuItem(MainFormStrings.HelpMenu, helpMenuItems)
            }));
        }