3dtours
2eb327056d
- midiExtractor.js: extractSelectedMIDIContext with note name conversion - aiGateway.js: REARRANGE_TOOL_SPEC + buildRearrangeMessage - dawCommandDispatcher.js: register REARRANGE_MIDI_MELODY command - app.jsx: handleAISend detects selected MIDI item → rearrange flow - rearrangeMidiMelody handler places A/B track below source track
93 lines
3.1 KiB
JavaScript
93 lines
3.1 KiB
JavaScript
// SonicForge Studio - DAW Command Dispatcher
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// Command Pattern & Undo/Redo Engine (28_AI_PANEL.md §1 & §2)
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const DAWCommandDispatcher = (function() {
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const MAX_HISTORY = 50;
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const history = [];
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let historyIndex = -1;
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function pushHistory(entry) {
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history.push(entry);
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if (history.length > MAX_HISTORY) history.shift();
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historyIndex = history.length - 1;
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}
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function undo() {
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if (historyIndex < 0) return null;
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const entry = history[historyIndex];
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historyIndex--;
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return entry;
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}
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function redo() {
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if (historyIndex >= history.length - 1) return null;
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historyIndex++;
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const entry = history[historyIndex];
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return entry;
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}
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function canUndo() { return historyIndex >= 0; }
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function canRedo() { return historyIndex < history.length - 1; }
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const registry = {};
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function register(name, handler) {
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registry[name] = handler;
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}
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function execute(name, args) {
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if (!registry[name]) {
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return { success: false, error: `Unknown command: ${name}` };
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}
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const result = registry[name](args);
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pushHistory({ name, args, result, timestamp: Date.now() });
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return result;
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}
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function getHistory() { return history; }
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function getHistoryIndex() { return historyIndex; }
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function registerDAWCommands(api) {
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register('CREATE_TRACK', (args) => api.createTrack(args));
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register('DELETE_TRACK', (args) => api.deleteTrack(args));
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register('ADD_CLIP', (args) => api.addClip(args));
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register('REMOVE_CLIP', (args) => api.removeClip(args));
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register('SET_TRACK_VOLUME', (args) => api.setTrackVolume(args));
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register('SET_TRACK_PAN', (args) => api.setTrackPan(args));
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register('TOGGLE_MUTE', (args) => api.toggleMute(args));
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register('TOGGLE_SOLO', (args) => api.toggleSolo(args));
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register('PROCESS_AUDIO_DSP', (args) => api.processAudioDsp(args));
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register('RENAME_TRACK', (args) => api.renameTrack(args));
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register('SCAN_TRACK', (args) => api.scanTrack(args));
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register('FADE_IN', (args) => api.fadeIn(args));
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register('FADE_OUT', (args) => api.fadeOut(args));
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register('CUT_AUDIO', (args) => api.cutAudio(args));
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register('SET_SELECTION', (args) => api.setSelection(args));
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register('EXPORT_AUDIO', (args) => api.exportAudio(args));
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register('SET_BPM', (args) => api.setBpm(args));
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register('SET_PLAYHEAD', (args) => api.setPlayhead(args));
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register('SELECT_ITEM', (args) => api.selectItem(args));
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register('ADD_MARKER', (args) => api.addMarker(args));
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register('CREATE_MIDI_ITEM', (args) => api.createMidiItem(args));
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register('MODIFY_MIDI_NOTES', (args) => api.modifyMidiNotes(args));
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register('PROCESS_AI_DSP', (args) => api.processAudioDsp(args));
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register('GENERATE_MULTITRACK_MIDI', (args) => api.generateMultitrackMidi(args));
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register('REARRANGE_MIDI_MELODY', (args) => api.rearrangeMidiMelody(args));
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}
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return {
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register,
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execute,
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undo,
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redo,
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canUndo,
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canRedo,
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pushHistory,
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getHistory,
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getHistoryIndex,
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registerDAWCommands
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};
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})();
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window.DAWCommandDispatcher = DAWCommandDispatcher;
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