From 0b2382573f05e89aff9eb41581b3cf9c08a7532e Mon Sep 17 00:00:00 2001 From: 3dtours Date: Thu, 23 Jul 2026 16:26:16 +0700 Subject: [PATCH] =?UTF-8?q?fix:=20thay=20=C4=91=E1=BB=95i=20UX=20c?= =?UTF-8?q?=E1=BB=A7a=20section,=20piano=20roll?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- app/static/js/app.jsx | 343 +++++++++++++++++++++++++------ app/static/js/app.precompiled.js | 29 ++- app/storage/sonicforge.db | Bin 53248 -> 45056 bytes md/Piano_roll_UX.md | 69 +++++++ 4 files changed, 366 insertions(+), 75 deletions(-) create mode 100644 md/Piano_roll_UX.md diff --git a/app/static/js/app.jsx b/app/static/js/app.jsx index e82bfb7..c9db672 100644 --- a/app/static/js/app.jsx +++ b/app/static/js/app.jsx @@ -3800,7 +3800,7 @@ const SystemManagerModal = ({ className: "px-2 py-1 bg-red-700/60 hover:bg-red-600 rounded text-xs" }, "Xóa"))))))))); }; -const PianoRollTabEditor = ({ st, zoom, bpm, viewportWidth, onClose, onUpdateNotes }) => { +const PianoRollTabEditor = ({ st, zoom, bpm, viewportWidth, onClose, onUpdateNotes, onSaveNotes, setSubTabs }) => { const [activeRollTool, setActiveRollTool] = React.useState('select'); const [snapVal, setSnapVal] = React.useState('1/16'); const [ccMode, setCcMode] = React.useState('velocity'); @@ -3810,6 +3810,7 @@ const PianoRollTabEditor = ({ st, zoom, bpm, viewportWidth, onClose, onUpdateNot const ccCanvasRef = React.useRef(null); const gridScrollRef = React.useRef(null); const keybedRef = React.useRef(null); + const rulerScrollRef = React.useRef(null); const NoteHeight = 18; const pixelsPerBeat = rollZoom; @@ -3818,6 +3819,8 @@ const PianoRollTabEditor = ({ st, zoom, bpm, viewportWidth, onClose, onUpdateNot const drawWidth = totalBeats * pixelsPerBeat; const [notes, setNotes] = React.useState(st.notes || []); + const [selectedNoteIds, setSelectedNoteIds] = React.useState([]); + const [selectionMarquee, setSelectionMarquee] = React.useState(null); // { startBeat, startPitch, currentBeat, currentPitch } const [draggedNote, setDraggedNote] = React.useState(null); // { mode: 'move'|'resize', idx, startOffsetBeat, originalStart } const [hoveredResizeIdx, setHoveredResizeIdx] = React.useState(-1); @@ -3868,6 +3871,53 @@ const PianoRollTabEditor = ({ st, zoom, bpm, viewportWidth, onClose, onUpdateNot }; }, []); + // Shift + Scroll event listener to adjust velocity + React.useEffect(() => { + const handleCanvasWheel = (e) => { + if (e.shiftKey) { + e.preventDefault(); + const canvas = canvasRef.current; + if (!canvas) return; + const rect = canvas.getBoundingClientRect(); + const x = e.clientX - rect.left; + const y = e.clientY - rect.top; + const beat = x / pixelsPerBeat; + const pitch = 127 - Math.floor(y / NoteHeight); + + // Find note under cursor + const noteUnderCursor = notes.find(n => { + return pitch === n.pitch && beat >= n.start_beat && beat < n.start_beat + n.duration_beats; + }); + + const delta = e.deltaY < 0 ? 0.05 : -0.05; + + if (noteUnderCursor) { + setNotes(prev => prev.map(n => { + if (n.id !== noteUnderCursor.id) return n; + const newVel = Math.max(0.1, Math.min(1.0, (n.velocity ?? 0.8) + delta)); + return { ...n, velocity: newVel }; + })); + } else if (selectedNoteIds.length > 0) { + setNotes(prev => prev.map(n => { + if (!selectedNoteIds.includes(n.id)) return n; + const newVel = Math.max(0.1, Math.min(1.0, (n.velocity ?? 0.8) + delta)); + return { ...n, velocity: newVel }; + })); + } + } + }; + + const canvas = canvasRef.current; + if (canvas) { + canvas.addEventListener('wheel', handleCanvasWheel, { passive: false }); + } + return () => { + if (canvas) { + canvas.removeEventListener('wheel', handleCanvasWheel); + } + }; + }, [notes, selectedNoteIds, pixelsPerBeat]); + React.useEffect(() => { const canvas = canvasRef.current; if (!canvas) return; @@ -3913,26 +3963,48 @@ const PianoRollTabEditor = ({ st, zoom, bpm, viewportWidth, onClose, onUpdateNot ctx.stroke(); } - // Draw notes with velocity layer representation (Hiển thị layer velocity ngay trên nốt) + // Draw notes with velocity layer representation notes.forEach((note) => { const x = note.start_beat * pixelsPerBeat; const y = (127 - note.pitch) * NoteHeight; const w = note.duration_beats * pixelsPerBeat; + const isSelected = selectedNoteIds.includes(note.id); - // Draw background of note (lighter yellow) - ctx.fillStyle = 'rgba(234, 179, 8, 0.25)'; - ctx.strokeStyle = '#ca8a04'; - ctx.lineWidth = 1; + // Draw background of note + ctx.fillStyle = isSelected ? 'rgba(59, 130, 246, 0.4)' : 'rgba(234, 179, 8, 0.25)'; + ctx.strokeStyle = isSelected ? '#3b82f6' : '#ca8a04'; + ctx.lineWidth = isSelected ? 1.5 : 1; ctx.fillRect(x + 1, y + 1, w - 2, NoteHeight - 2); ctx.strokeRect(x + 1, y + 1, w - 2, NoteHeight - 2); - // Draw velocity layer (solid yellow bar inside, proportional to velocity) + // Draw velocity layer (solid yellow/blue bar inside, proportional to velocity) const vel = note.velocity !== undefined ? note.velocity : 0.8; const velW = Math.max(2, (w - 2) * vel); - ctx.fillStyle = '#eab308'; + ctx.fillStyle = isSelected ? '#3b82f6' : '#eab308'; ctx.fillRect(x + 1, y + 1, velW, NoteHeight - 2); }); - }, [notes, snapVal, rollZoom]); + + // Draw selection marquee if active + if (selectionMarquee) { + const minBeat = Math.min(selectionMarquee.startBeat, selectionMarquee.currentBeat); + const maxBeat = Math.max(selectionMarquee.startBeat, selectionMarquee.currentBeat); + const minPitch = Math.min(selectionMarquee.startPitch, selectionMarquee.currentPitch); + const maxPitch = Math.max(selectionMarquee.startPitch, selectionMarquee.currentPitch); + + const mx = minBeat * pixelsPerBeat; + const my = (127 - maxPitch) * NoteHeight; + const mw = (maxBeat - minBeat) * pixelsPerBeat; + const mh = (maxPitch - minPitch + 1) * NoteHeight; + + ctx.fillStyle = 'rgba(59, 130, 246, 0.15)'; + ctx.strokeStyle = '#3b82f6'; + ctx.lineWidth = 1; + ctx.setLineDash([4, 4]); + ctx.fillRect(mx, my, mw, mh); + ctx.strokeRect(mx, my, mw, mh); + ctx.setLineDash([]); + } + }, [notes, snapVal, rollZoom, selectedNoteIds, selectionMarquee]); React.useEffect(() => { const canvas = ccCanvasRef.current; @@ -3994,6 +4066,38 @@ const PianoRollTabEditor = ({ st, zoom, bpm, viewportWidth, onClose, onUpdateNot const beat = x / pixelsPerBeat; const pitch = 127 - Math.floor(y / NoteHeight); + // Right click -> Quick delete note! + if (e.button === 2) { + e.preventDefault(); + const clickedNote = notes.find(n => { + return pitch === n.pitch && beat >= n.start_beat && beat < n.start_beat + n.duration_beats; + }); + if (clickedNote) { + setNotes(prev => prev.filter(n => n.id !== clickedNote.id)); + setSelectedNoteIds(prev => prev.filter(id => id !== clickedNote.id)); + showToast('Đã xóa nốt nhanh!', 'info'); + } + return; + } + + if (e.button !== 0) return; // Only handle left click + + // Ctrl+Click -> Quick draw note! + if (e.ctrlKey) { + const start = getSnapBeat(beat, snapVal); + const newNote = { + id: 'note_' + Date.now() + Math.random().toString(36).substr(2, 5), + pitch: pitch, + start_beat: start, + duration_beats: getSnapDuration(snapVal), + velocity: 0.8, + pan: 0.0 + }; + setNotes(prev => [...prev, newNote]); + showToast('Đã vẽ nhanh nốt mới!', 'info'); + return; + } + if (hoveredResizeIdx !== -1) { setDraggedNote({ mode: 'resize', @@ -4007,43 +4111,41 @@ const PianoRollTabEditor = ({ st, zoom, bpm, viewportWidth, onClose, onUpdateNot return pitch === n.pitch && beat >= n.start_beat && beat < n.start_beat + n.duration_beats; }); - if (activeRollTool === 'select') { - if (clickedNoteIdx !== -1) { - setDraggedNote({ - mode: 'move', - idx: clickedNoteIdx, - startOffsetBeat: beat - notes[clickedNoteIdx].start_beat, - originalPitch: notes[clickedNoteIdx].pitch - }); - } else { - const start = getSnapBeat(beat, snapVal); - const newNote = { - id: 'note_' + Date.now() + Math.random().toString(36).substr(2, 5), - pitch: pitch, - start_beat: start, - duration_beats: getSnapDuration(snapVal), - velocity: 0.8, - pan: 0.0 - }; - setNotes(prev => [...prev, newNote]); - } - } else if (activeRollTool === 'eraser') { - if (clickedNoteIdx !== -1) { - setNotes(prev => prev.filter((_, idx) => idx !== clickedNoteIdx)); - } - } else if (activeRollTool === 'pen') { - if (clickedNoteIdx === -1) { - const start = getSnapBeat(beat, snapVal); - const newNote = { - id: 'note_' + Date.now() + Math.random().toString(36).substr(2, 5), - pitch: pitch, - start_beat: start, - duration_beats: getSnapDuration(snapVal), - velocity: 0.8, - pan: 0.0 - }; - setNotes(prev => [...prev, newNote]); + if (clickedNoteIdx !== -1) { + const clickedNote = notes[clickedNoteIdx]; + // Selection management + if (!selectedNoteIds.includes(clickedNote.id)) { + if (e.shiftKey) { + setSelectedNoteIds(prev => [...prev, clickedNote.id]); + } else { + setSelectedNoteIds([clickedNote.id]); + } } + + const selectedNotesOffset = notes + .filter(n => selectedNoteIds.includes(n.id) || n.id === clickedNote.id) + .map(n => ({ + id: n.id, + originalStartBeat: n.start_beat, + originalPitch: n.pitch + })); + + setDraggedNote({ + mode: 'move', + idx: clickedNoteIdx, + startOffsetBeat: beat - clickedNote.start_beat, + startOffsetPitch: pitch - clickedNote.pitch, + selectedNotesOffset: selectedNotesOffset + }); + } else { + // Clicked in empty space -> Start selection marquee + setSelectedNoteIds([]); + setSelectionMarquee({ + startBeat: beat, + startPitch: pitch, + currentBeat: beat, + currentPitch: pitch + }); } }; @@ -4057,8 +4159,28 @@ const PianoRollTabEditor = ({ st, zoom, bpm, viewportWidth, onClose, onUpdateNot const beat = x / pixelsPerBeat; const pitch = 127 - Math.floor(y / NoteHeight); + if (selectionMarquee) { + const marquee = { + ...selectionMarquee, + currentBeat: beat, + currentPitch: pitch + }; + setSelectionMarquee(marquee); + + const minBeat = Math.min(marquee.startBeat, marquee.currentBeat); + const maxBeat = Math.max(marquee.startBeat, marquee.currentBeat); + const minPitch = Math.min(marquee.startPitch, marquee.currentPitch); + const maxPitch = Math.max(marquee.startPitch, marquee.currentPitch); + + const insideIds = notes + .filter(n => n.start_beat >= minBeat && n.start_beat <= maxBeat && n.pitch >= minPitch && n.pitch <= maxPitch) + .map(n => n.id); + + setSelectedNoteIds(insideIds); + return; + } + if (!draggedNote) { - // Check if mouse is near the right edge of any note let foundIdx = -1; for (let i = 0; i < notes.length; i++) { const n = notes[i]; @@ -4090,15 +4212,18 @@ const PianoRollTabEditor = ({ st, zoom, bpm, viewportWidth, onClose, onUpdateNot duration_beats: newDuration }; })); - } else { - const newStart = getSnapBeat(Math.max(0, beat - draggedNote.startOffsetBeat), snapVal); - const newPitch = Math.max(0, Math.min(127, pitch)); - setNotes(prev => prev.map((n, idx) => { - if (idx !== draggedNote.idx) return n; + } else if (draggedNote.mode === 'move') { + const baseOriginal = draggedNote.selectedNotesOffset.find(o => o.id === notes[draggedNote.idx].id); + const deltaBeat = getSnapBeat(beat - draggedNote.startOffsetBeat, snapVal) - baseOriginal.originalStartBeat; + const deltaPitch = Math.round(pitch - draggedNote.startOffsetPitch) - baseOriginal.originalPitch; + + setNotes(prev => prev.map(n => { + const offset = draggedNote.selectedNotesOffset.find(o => o.id === n.id); + if (!offset) return n; return { ...n, - start_beat: newStart, - pitch: newPitch + start_beat: getSnapBeat(Math.max(0, offset.originalStartBeat + deltaBeat), snapVal), + pitch: Math.max(0, Math.min(127, offset.originalPitch + deltaPitch)) }; })); } @@ -4106,6 +4231,11 @@ const PianoRollTabEditor = ({ st, zoom, bpm, viewportWidth, onClose, onUpdateNot const handleGridMouseUp = () => { setDraggedNote(null); + setSelectionMarquee(null); + }; + + const handleContextMenu = (e) => { + e.preventDefault(); }; const handleCCMouseDown = (e) => { @@ -4117,7 +4247,6 @@ const PianoRollTabEditor = ({ st, zoom, bpm, viewportWidth, onClose, onUpdateNot const h = rect.height; const beat = x / pixelsPerBeat; - // Find note near beat or closest note horizontally let noteIdx = notes.findIndex(n => beat >= n.start_beat && beat <= n.start_beat + n.duration_beats); if (noteIdx === -1) { let minDistance = Infinity; @@ -4155,10 +4284,10 @@ const PianoRollTabEditor = ({ st, zoom, bpm, viewportWidth, onClose, onUpdateNot keys.push( /*#__PURE__*/React.createElement("div", { - key: pitch, - style: { height: `${NoteHeight}px` }, - className: `w-[60px] shrink-0 border-b border-zinc-800 text-[9px] font-bold flex items-center justify-end pr-2 transition ${isBlack ? 'bg-zinc-950 text-slate-500 border-zinc-900' : 'bg-white text-zinc-800 border-r border-zinc-400'}` - }, showLabel && label) + key: pitch, + style: { height: `${NoteHeight}px` }, + className: `w-[60px] shrink-0 border-b border-zinc-800 text-[9px] font-bold flex items-center justify-end pr-2 transition ${isBlack ? 'bg-zinc-950 text-slate-500 border-zinc-900' : 'bg-white text-zinc-800 border-r border-zinc-400'}` + }, showLabel && label) ); } return keys; @@ -4168,6 +4297,29 @@ const PianoRollTabEditor = ({ st, zoom, bpm, viewportWidth, onClose, onUpdateNot if (keybedRef.current) { keybedRef.current.scrollTop = e.currentTarget.scrollTop; } + if (rulerScrollRef.current) { + rulerScrollRef.current.scrollLeft = e.currentTarget.scrollLeft; + } + }; + + const renderBarLabels = () => { + const labels = []; + const barsCount = Math.ceil(totalBeats / 4); + for (let bar = 0; bar < barsCount; bar++) { + const x = bar * 4 * pixelsPerBeat; + labels.push( + /*#__PURE__*/React.createElement("div", { + key: bar, + style: { + position: 'absolute', + left: `${x}px`, + top: '4px' + }, + className: "pl-1 border-l border-zinc-700 h-full select-none" + }, `Bar ${bar}`) + ); + } + return labels; }; return /*#__PURE__*/React.createElement("div", { @@ -4204,13 +4356,34 @@ const PianoRollTabEditor = ({ st, zoom, bpm, viewportWidth, onClose, onUpdateNot key: mode, onClick: () => setCcMode(mode), className: `px-2.5 py-1 rounded capitalize ${ccMode === mode ? 'bg-purple-900/60 text-purple-300 font-bold border border-purple-700' : 'text-zinc-400 hover:text-zinc-200'}` - }, mode)))), /*#__PURE__*/React.createElement("button", { + }, mode)))), /*#__PURE__*/React.createElement("div", { + className: "flex items-center gap-1" + }, /*#__PURE__*/React.createElement("button", { + onClick: () => onSaveNotes(st.id, st.trackId, st.target_id, notes), + className: "px-2.5 py-1 bg-emerald-600 hover:bg-emerald-500 text-white rounded text-xs flex items-center gap-1 transition font-semibold" + }, /*#__PURE__*/React.createElement("i", { + "data-lucide": "save", + className: "w-3 h-3" + }), "Lưu"), /*#__PURE__*/React.createElement("button", { onClick: onClose, className: "px-2.5 py-1 bg-zinc-800 hover:bg-zinc-700 text-zinc-300 border border-zinc-700 rounded text-xs flex items-center gap-1 transition" }, /*#__PURE__*/React.createElement("i", { "data-lucide": "x", className: "w-3 h-3" - }), "Đóng")), /*#__PURE__*/React.createElement("div", { + }), "Đóng"))), /*#__PURE__*/React.createElement("div", { + className: "h-6 bg-[#1a1a1f] border-b border-zinc-900 flex shrink-0" + }, /*#__PURE__*/React.createElement("div", { + className: "w-[60px] bg-[#222222] border-r border-zinc-900 shrink-0" + }), /*#__PURE__*/React.createElement("div", { + ref: rulerScrollRef, + className: "flex-1 overflow-hidden" + }, /*#__PURE__*/React.createElement("div", { + style: { + width: `${drawWidth}px`, + height: '100%' + }, + className: "relative h-full font-mono text-[9px] text-zinc-500 font-bold" + }, renderBarLabels()))), /*#__PURE__*/React.createElement("div", { className: "flex-1 flex overflow-hidden min-h-0 relative" }, /*#__PURE__*/React.createElement("div", { ref: keybedRef, @@ -4235,6 +4408,7 @@ const PianoRollTabEditor = ({ st, zoom, bpm, viewportWidth, onClose, onUpdateNot onMouseMove: handleGridMouseMove, onMouseUp: handleGridMouseUp, onMouseLeave: handleGridMouseUp, + onContextMenu: handleContextMenu, className: "absolute inset-0 cursor-crosshair" })))), /*#__PURE__*/React.createElement("div", { className: "h-20 bg-[#161616] border-t border-zinc-900 flex shrink-0" @@ -5794,9 +5968,11 @@ const App = () => { setActiveTab(tabId); }; - const handleUpdateMidiNotes = (tabId, trackId, midiItemId, updatedNotes) => { - setSubTabs(prev => prev.map(s => s.id === tabId ? { ...s, notes: updatedNotes } : s)); + const handleUpdateMidiNotes = (tabId, notes) => { + setSubTabs(prev => prev.map(s => s.id === tabId ? { ...s, notes: notes } : s)); + }; + const handleSaveMidiNotes = (tabId, trackId, midiItemId, updatedNotes) => { const isSectionTrack = sessionTabs.some(s => s.tracks.some(t => t.id === trackId)); if (isSectionTrack) { setSessionTabs(prev => prev.map(s => { @@ -5827,6 +6003,32 @@ const App = () => { }; })); } + showToast('Đã lưu các chỉnh sửa nốt MIDI vào item cha!', 'success'); + }; + + const handleSaveSectionTab = (tabId) => { + const tab = sessionTabs.find(s => s.id === tabId); + if (!tab) return; + const bpmVal = parseInt(bpm) || 120; + const secondsPerBeat = 60.0 / bpmVal; + const secondsPerBar = secondsPerBeat * 4; + const durationSec = (tab.length_bars || 16.0) * secondsPerBar; + + setTracks(prev => prev.map(t => { + if (!t.sections || t.sections.length === 0) return t; + return { + ...t, + sections: t.sections.map(s => { + if (s.sectionId !== tab.sectionId) return s; + return { + ...s, + name: tab.name, + duration: durationSec + }; + }) + }; + })); + showToast(`Đã lưu nội dung Section "${tab.name}" vào Main Session!`, 'success'); }; // ── Double-click/Edit Section: open Main Session in new tab ── @@ -11297,7 +11499,18 @@ const App = () => { }, /*#__PURE__*/React.createElement("i", { "data-lucide": "plus", className: "w-3.5 h-3.5" - })), /*#__PURE__*/React.createElement("span", null, "Track")), /*#__PURE__*/React.createElement("div", { + })), /*#__PURE__*/React.createElement("span", null, "Track")), sessionTabs.some(s => s.id === activeTab) && /*#__PURE__*/React.createElement(React.Fragment, null, /*#__PURE__*/React.createElement("div", { + className: "w-[1px] h-5 bg-zinc-700 mx-0.5" + }), /*#__PURE__*/React.createElement("button", { + onClick: () => handleSaveSectionTab(activeTab), + className: "px-2 py-1 bg-emerald-600 hover:bg-emerald-500 text-white font-semibold rounded text-xs flex items-center gap-1 shadow transition", + title: "Lưu Section vào Main Session" + }, /*#__PURE__*/React.createElement("span", { + className: "inline-flex items-center shrink-0" + }, /*#__PURE__*/React.createElement("i", { + "data-lucide": "save", + className: "w-3.5 h-3.5" + })), /*#__PURE__*/React.createElement("span", null, "Lưu Section"))), /*#__PURE__*/React.createElement("div", { className: "w-[1px] h-5 bg-zinc-700 mx-0.5" }), /*#__PURE__*/React.createElement("button", { onClick: handleUndo, @@ -12629,7 +12842,9 @@ const App = () => { bpm: bpm, viewportWidth: viewportWidth, onClose: () => closeSubTab(st.id), - onUpdateNotes: handleUpdateMidiNotes + onUpdateNotes: handleUpdateMidiNotes, + onSaveNotes: handleSaveMidiNotes, + setSubTabs: setSubTabs }); } const subTrack = tracks.find(t => t.id === st.trackId); diff --git a/app/static/js/app.precompiled.js b/app/static/js/app.precompiled.js index ee91040..a2c57aa 100644 --- a/app/static/js/app.precompiled.js +++ b/app/static/js/app.precompiled.js @@ -110,17 +110,24 @@ let interpolatedVal=valFromY(e.clientY-rect.top);if(curNodes.length>=2){const so const GraphEditorCanvas=({buffer,zoom,timelineWidth,volumeNodes,panningNodes,fadeInLen,fadeOutLen,onUpdateNodes,graphMode})=>{const canvasRef=useRef(null);const isDraggingNode=useRef(false);const dragNodeIdx=useRef(-1);const isCreatingNode=useRef(false);const getNodes=()=>graphMode==='pan'?panningNodes:volumeNodes;const nodeLabel=n=>graphMode==='pan'?`${n.pan.toFixed(2)}`:`${n.db.toFixed(1)}dB`;const nodeY=(n,h)=>{if(graphMode==='pan')return(1-(n.pan+1)/2)*h;const zeroY=2/3*h;return n.db>=0?zeroY-n.db/3*(2/3*h):zeroY+-n.db/30*(1/3*h);};const nodeValFromY=(y,h)=>{if(graphMode==='pan')return-(y/h*2-1);const yOff=y/h;return yOff<=2/3?3*(1-yOff*3/2):-30*(yOff-2/3)*3;};useEffect(()=>{const canvas=canvasRef.current;if(!canvas||!buffer)return;const ctx=canvas.getContext('2d');const dpr=window.devicePixelRatio||1;const wrapper=canvas.parentElement?canvas.parentElement.parentElement:null;const scrollLeft=wrapper?wrapper.scrollLeft:0;const vWidth=wrapper?wrapper.clientWidth:1200;const drawWidth=Math.min(timelineWidth,Math.max(vWidth,1200));const h=canvas.parentElement?canvas.parentElement.clientHeight:200;canvas.width=Math.round(drawWidth*dpr);canvas.height=Math.round(h*dpr);ctx.scale(dpr,dpr);ctx.imageSmoothingEnabled=false;canvas.style.position='absolute';canvas.style.left=`${scrollLeft}px`;canvas.style.width=`${drawWidth}px`;canvas.style.height=`${h}px`;ctx.fillStyle='#1a1a2e';ctx.fillRect(0,0,drawWidth,h);ctx.strokeStyle='#2a2a4e';ctx.lineWidth=0.5;for(let t=0;t<=buffer.duration;t+=0.5){const x=t/buffer.duration*drawWidth;ctx.beginPath();ctx.moveTo(x,0);ctx.lineTo(x,h);ctx.stroke();}for(let i=0;i<=10;i++){const y=i/10*h;ctx.beginPath();ctx.moveTo(0,y);ctx.lineTo(drawWidth,y);ctx.stroke();}if(fadeInLen>0){const fadeX=fadeInLen/buffer.duration*drawWidth;ctx.fillStyle='rgba(16, 185, 129, 0.12)';ctx.fillRect(0,0,fadeX,h);}if(fadeOutLen>0){const fadeX=(buffer.duration-fadeOutLen)/buffer.duration*drawWidth;const fadeW=fadeOutLen/buffer.duration*drawWidth;ctx.fillStyle='rgba(239, 68, 68, 0.12)';ctx.fillRect(fadeX,0,fadeW,h);}const nodes=getNodes();if(nodes.length>0){ctx.strokeStyle=graphMode==='pan'?'#a855f7':'#06b6d4';ctx.lineWidth=2;ctx.beginPath();nodes.forEach((n,i)=>{const x=n.time/buffer.duration*drawWidth;const y=nodeY(n,h);if(i===0)ctx.moveTo(x,y);else ctx.lineTo(x,y);});ctx.stroke();nodes.forEach((n,i)=>{const x=n.time/buffer.duration*drawWidth;const y=nodeY(n,h);ctx.fillStyle=graphMode==='pan'?'#a855f7':'#06b6d4';ctx.beginPath();ctx.arc(x,y,5,0,Math.PI*2);ctx.fill();ctx.fillStyle='#e4e4e7';ctx.font='9px monospace';ctx.fillText(nodeLabel(n),x+8,y+3);});}else{ctx.fillStyle='#52525b';ctx.font='11px sans-serif';ctx.textAlign='center';ctx.fillText(graphMode==='pan'?'Click to add Pan points':'Click to add Volume points',drawWidth/2,h/2);ctx.textAlign='start';}const zeroY=graphMode==='pan'?h/2:nodeY({db:0},h);ctx.strokeStyle=graphMode==='pan'?'#a855f744':'#06b6d444';ctx.lineWidth=1;ctx.setLineDash([4,4]);ctx.beginPath();ctx.moveTo(0,zeroY);ctx.lineTo(drawWidth,zeroY);ctx.stroke();ctx.setLineDash([]);},[buffer,zoom,timelineWidth,volumeNodes,panningNodes,fadeInLen,fadeOutLen,graphMode]);const handleMouseDown=e=>{const canvas=canvasRef.current;if(!canvas||!buffer)return;const rect=canvas.getBoundingClientRect();const x=e.clientX-rect.left;const y=e.clientY-rect.top;const time=x/rect.width*buffer.duration;const 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fetchFiles=async()=>{setLoadingFiles(true);try{const activeFileIds=tracks.map(t=>t.serverFileId).filter(Boolean);const data=await window.SonicAPI.listMyFiles(activeFileIds);setFilesList(data||[]);}catch(e){showToast(e.message||'Không thể tải danh sách tệp tin','error');}finally{setLoadingFiles(false);}};const handleOpenProject=async projectId=>{setAppWarningModal({title:"Mở dự án",message:"Bạn có muốn mở dự án này? Các thay đổi chưa lưu trên workspace hiện tại sẽ bị mất.",isAlert:false,onConfirm:async()=>{try{const proj=await window.SonicAPI.getCloudProject(projectId);const parsed=JSON.parse(proj.data_json);let restoredTracks=[];let restoredBpm=bpm;let restoredSessionTabs=[];if(parsed.main_session){const result=deserializeProjectFromSchema(parsed);restoredTracks=result.tracks;restoredBpm=result.bpm;restoredSessionTabs=result.sessionTabs;}else{restoredTracks=(parsed.tracks||[]).map(t=>{const{height:_h,...rest}=t;return{...rest,buffer:null,channelInfo:t.channelInfo||null,clips:t.clips||[],serverFileId:t.serverFileId||null};});}setTracks(restoredTracks);setBpm(restoredBpm.toString());setSelectedTrackId(restoredTracks[0]?.id||'1');setProjectName(proj.name);setCurrentProjectId(proj.id);if(restoredSessionTabs.length>0){setSessionTabs(restoredSessionTabs);}localStorage.setItem('sonic_project_name',proj.name);localStorage.setItem('sonic_project_id',proj.id);showToast(`Đã nạp dự án "${proj.name}" thành công!`,"success");}catch(e){showToast(e.message||"Lỗi khi nạp dự án","error");}}});};const handleDeleteProject=async(projectId,e)=>{e.stopPropagation();setConfirmModal({title:"Xóa dự án Cloud",message:"Bạn có chắc chắn muốn xóa dự án này khỏi Cloud? 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null;const[name,setName]=useState(projectName||'');const[saveType,setSaveType]=useState('cloud');const handleSubmit=e=>{e.preventDefault();if(!name.trim())return;if(saveType==='cloud'){onSaveCloud(name.trim());}else{onSaveLocal(name.trim());}onClose();};return/*#__PURE__*/React.createElement("div",{className:"fixed inset-0 z-50 flex items-center justify-center bg-black/70 backdrop-blur-sm"},/*#__PURE__*/React.createElement("div",{className:"bg-[#262626] border border-[#383838] rounded-xl shadow-2xl w-full max-w-md p-6 text-slate-200"},/*#__PURE__*/React.createElement("h3",{className:"text-sm font-bold text-teal-400 mb-4 uppercase"},"Lưu dưới tên khác (Save As...)"),/*#__PURE__*/React.createElement("form",{onSubmit:handleSubmit,className:"space-y-4"},[/*#__PURE__*/React.createElement("div",{key:"name-block"},[/*#__PURE__*/React.createElement("label",{className:"block text-[10px] text-zinc-400 uppercase font-bold mb-1"},"Tên dự án mới"),/*#__PURE__*/React.createElement("input",{type:"text",placeholder:"Nhập tên mới...",required:true,value:name,onChange:e=>setName(e.target.value),className:"w-full bg-[#1e1e1e] border border-[#383838] rounded px-3 py-1.5 text-xs text-slate-200 focus:outline-none focus:border-teal-500 font-bold",autoFocus:true})]),/*#__PURE__*/React.createElement("div",{key:"type-block"},[/*#__PURE__*/React.createElement("label",{className:"block text-[10px] text-zinc-400 uppercase font-bold mb-1.5"},"Phương thức lưu trữ"),/*#__PURE__*/React.createElement("div",{className:"grid grid-cols-2 gap-2 text-xs"},[/*#__PURE__*/React.createElement("button",{key:"btn-cloud",type:"button",onClick:()=>setSaveType('cloud'),className:`py-2 rounded border flex flex-col items-center gap-1 font-semibold transition ${saveType==='cloud'?'bg-teal-950/60 border-teal-500 text-teal-300':'bg-zinc-800 border-zinc-700 hover:bg-zinc-750 text-zinc-400'}`},[/*#__PURE__*/React.createElement("span",{key:"title"},"☁️ Lưu Cloud"),/*#__PURE__*/React.createElement("span",{key:"desc",className:"text-[9px] font-normal text-zinc-500"},"Lưu lên server cá nhân")]),/*#__PURE__*/React.createElement("button",{key:"btn-local",type:"button",onClick:()=>setSaveType('local'),className:`py-2 rounded border flex flex-col items-center gap-1 font-semibold transition ${saveType==='local'?'bg-teal-950/60 border-teal-500 text-teal-300':'bg-zinc-800 border-zinc-700 hover:bg-zinc-750 text-zinc-400'}`},[/*#__PURE__*/React.createElement("span",{key:"title"},"💾 Tải về máy (.sfs)"),/*#__PURE__*/React.createElement("span",{key:"desc",className:"text-[9px] font-normal text-zinc-500"},"Tải tệp JSON dự án về máy")])])]),/*#__PURE__*/React.createElement("div",{key:"actions",className:"flex justify-end gap-2 text-xs pt-2"},[/*#__PURE__*/React.createElement("button",{key:"cancel",type:"button",onClick:onClose,className:"px-3 py-1.5 bg-zinc-800 hover:bg-zinc-700 text-zinc-300 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công!');setEditingQuotaUser(null);loadUsers();}catch(err){setError(err.message||'Lỗi cập nhật Quota');}};const handleToggleRole=async user=>{const nextRole=user.role==='admin'?'standard':'admin';try{await window.SonicAPI.updateUserRole(user.id,nextRole,user.is_active);setMsg(`Đã đổi vai trò người dùng ${user.username} thành ${nextRole}`);loadUsers();}catch(err){setError(err.message||'Lỗi cập nhật vai trò');}};const handleDeleteUser=async userId=>{if(!confirm('Bạn có chắc chắn muốn xóa người dùng này khỏi hệ thống?'))return;try{await window.SonicAPI.deleteUser(userId);setMsg('Đã xóa người dùng thành công');loadUsers();}catch(err){setError(err.message||'Lỗi khi xóa người dùng');}};return/*#__PURE__*/React.createElement("div",{className:"fixed inset-0 z-50 flex items-center justify-center bg-black/70 backdrop-blur-sm"},/*#__PURE__*/React.createElement("div",{className:"bg-[#262626] border border-[#383838] rounded-xl shadow-2xl w-full max-w-4xl p-6 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border-collapse"},/*#__PURE__*/React.createElement("thead",null,/*#__PURE__*/React.createElement("tr",{className:"border-b border-[#383838] text-slate-400 bg-[#1e1e1e]"},/*#__PURE__*/React.createElement("th",{className:"p-3"},"Tên Người Dùng"),/*#__PURE__*/React.createElement("th",{className:"p-3"},"Email"),/*#__PURE__*/React.createElement("th",{className:"p-3"},"Vai Trò"),/*#__PURE__*/React.createElement("th",{className:"p-3"},"Dung Lượng Sử Dụng"),/*#__PURE__*/React.createElement("th",{className:"p-3"},"Hạn Mức Quota"),/*#__PURE__*/React.createElement("th",{className:"p-3 text-right"},"Thao Tác"))),/*#__PURE__*/React.createElement("tbody",{className:"divide-y divide-[#333]"},users.map(u=>/*#__PURE__*/React.createElement("tr",{key:u.id,className:"hover:bg-[#2e2e2e]"},/*#__PURE__*/React.createElement("td",{className:"p-3 font-semibold text-teal-300"},u.username,u.must_change_password&&/*#__PURE__*/React.createElement("span",{className:"ml-2 text-xs bg-amber-900/60 text-amber-300 px-1.5 py-0.5 rounded"},"Mật khẩu gốc")),/*#__PURE__*/React.createElement("td",{className:"p-3 text-slate-300"},u.email),/*#__PURE__*/React.createElement("td",{className:"p-3 uppercase font-bold text-amber-400"},u.role),/*#__PURE__*/React.createElement("td",{className:"p-3"},u.used_mb," MB"),/*#__PURE__*/React.createElement("td",{className:"p-3"},editingQuotaUser===u.id?/*#__PURE__*/React.createElement("div",{className:"flex items-center space-x-1"},/*#__PURE__*/React.createElement("input",{type:"number",value:newQuotaMb,onChange:e=>setNewQuotaMb(e.target.value),className:"w-16 bg-[#1e1e1e] border border-[#444] rounded px-1 py-0.5 text-xs text-slate-200"}),/*#__PURE__*/React.createElement("span",null,"MB"),/*#__PURE__*/React.createElement("button",{onClick:()=>handleSaveQuota(u.id),className:"px-2 py-0.5 bg-teal-600 rounded text-xs"},"Lưu")):/*#__PURE__*/React.createElement("span",{className:"font-semibold"},u.quota_mb," MB")),/*#__PURE__*/React.createElement("td",{className:"p-3 text-right space-x-2"},/*#__PURE__*/React.createElement("button",{onClick:()=>{setEditingQuotaUser(u.id);setNewQuotaMb(u.quota_mb);},className:"px-2 py-1 bg-slate-700 hover:bg-slate-600 rounded text-xs"},"Sửa Quota"),/*#__PURE__*/React.createElement("button",{onClick:()=>handleToggleRole(u),className:"px-2 py-1 bg-amber-700/60 hover:bg-amber-600 rounded text-xs"},"Đổi Role"),u.role!=='admin'&&/*#__PURE__*/React.createElement("button",{onClick:()=>handleDeleteUser(u.id),className:"px-2 py-1 bg-red-700/60 hover:bg-red-600 rounded text-xs"},"Xóa")))))))));};const PianoRollTabEditor=({st,zoom,bpm,viewportWidth,onClose,onUpdateNotes,onSaveNotes,setSubTabs})=>{const[activeRollTool,setActiveRollTool]=React.useState('select');const[snapVal,setSnapVal]=React.useState('1/16');const[ccMode,setCcMode]=React.useState('velocity');const[rollZoom,setRollZoom]=React.useState(60);// local horizontal zoom factor +const canvasRef=React.useRef(null);const ccCanvasRef=React.useRef(null);const gridScrollRef=React.useRef(null);const keybedRef=React.useRef(null);const rulerScrollRef=React.useRef(null);const NoteHeight=18;const pixelsPerBeat=rollZoom;const timeSigNum=4;const totalBeats=(st.duration||4)*timeSigNum;const drawWidth=totalBeats*pixelsPerBeat;const[notes,setNotes]=React.useState(st.notes||[]);const[selectedNoteIds,setSelectedNoteIds]=React.useState([]);const[selectionMarquee,setSelectionMarquee]=React.useState(null);// { startBeat, startPitch, currentBeat, currentPitch } +const[draggedNote,setDraggedNote]=React.useState(null);// { mode: 'move'|'resize', idx, startOffsetBeat, originalStart } const[hoveredResizeIdx,setHoveredResizeIdx]=React.useState(-1);React.useEffect(()=>{onUpdateNotes(st.id,notes);},[notes]);const getSnapBeat=(beat,mode)=>{let q=0.25;if(mode==='free')return beat;if(mode==='1')q=4.0;else if(mode==='1/2')q=2.0;else if(mode==='1/4')q=1.0;else if(mode==='1/8')q=0.5;else if(mode==='1/16')q=0.25;else if(mode==='1/32')q=0.125;return Math.round(beat/q)*q;};const getSnapDuration=mode=>{if(mode==='free')return 0.25;if(mode==='1')return 4.0;if(mode==='1/2')return 2.0;if(mode==='1/4')return 1.0;if(mode==='1/8')return 0.5;if(mode==='1/16')return 0.25;if(mode==='1/32')return 0.125;return 0.25;};// Local Zoom Wheel Event handler to block browser page zoom -React.useEffect(()=>{const handleWheelRaw=e=>{if(e.ctrlKey){e.preventDefault();const zoomFactor=e.deltaY<0?1.15:0.85;setRollZoom(prev=>Math.max(15,Math.min(250,prev*zoomFactor)));}};const container=gridScrollRef.current;if(container){container.addEventListener('wheel',handleWheelRaw,{passive:false});}return()=>{if(container){container.removeEventListener('wheel',handleWheelRaw);}};},[]);React.useEffect(()=>{const canvas=canvasRef.current;if(!canvas)return;const ctx=canvas.getContext('2d');const dpr=window.devicePixelRatio||1;const h=128*NoteHeight;canvas.width=drawWidth*dpr;canvas.height=h*dpr;ctx.scale(dpr,dpr);// Draw background rows +React.useEffect(()=>{const handleWheelRaw=e=>{if(e.ctrlKey){e.preventDefault();const zoomFactor=e.deltaY<0?1.15:0.85;setRollZoom(prev=>Math.max(15,Math.min(250,prev*zoomFactor)));}};const container=gridScrollRef.current;if(container){container.addEventListener('wheel',handleWheelRaw,{passive:false});}return()=>{if(container){container.removeEventListener('wheel',handleWheelRaw);}};},[]);// Shift + Scroll event listener to adjust velocity +React.useEffect(()=>{const handleCanvasWheel=e=>{if(e.shiftKey){e.preventDefault();const canvas=canvasRef.current;if(!canvas)return;const rect=canvas.getBoundingClientRect();const x=e.clientX-rect.left;const y=e.clientY-rect.top;const beat=x/pixelsPerBeat;const pitch=127-Math.floor(y/NoteHeight);// Find note under cursor +const noteUnderCursor=notes.find(n=>{return pitch===n.pitch&&beat>=n.start_beat&&beatprev.map(n=>{if(n.id!==noteUnderCursor.id)return n;const newVel=Math.max(0.1,Math.min(1.0,(n.velocity??0.8)+delta));return{...n,velocity:newVel};}));}else if(selectedNoteIds.length>0){setNotes(prev=>prev.map(n=>{if(!selectedNoteIds.includes(n.id))return n;const newVel=Math.max(0.1,Math.min(1.0,(n.velocity??0.8)+delta));return{...n,velocity:newVel};}));}}};const canvas=canvasRef.current;if(canvas){canvas.addEventListener('wheel',handleCanvasWheel,{passive:false});}return()=>{if(canvas){canvas.removeEventListener('wheel',handleCanvasWheel);}};},[notes,selectedNoteIds,pixelsPerBeat]);React.useEffect(()=>{const canvas=canvasRef.current;if(!canvas)return;const ctx=canvas.getContext('2d');const dpr=window.devicePixelRatio||1;const h=128*NoteHeight;canvas.width=drawWidth*dpr;canvas.height=h*dpr;ctx.scale(dpr,dpr);// Draw background rows for(let pitch=0;pitch<128;pitch++){const y=(127-pitch)*NoteHeight;const isBlack=[1,3,6,8,10].includes(pitch%12);ctx.fillStyle=isBlack?'#1a1a1e':'#25252a';ctx.fillRect(0,y,drawWidth,NoteHeight);ctx.strokeStyle='#2d2d35';ctx.lineWidth=0.5;ctx.beginPath();ctx.moveTo(0,y+NoteHeight);ctx.lineTo(drawWidth,y+NoteHeight);ctx.stroke();}// Draw snap lines -let snapBeats=0.25;if(snapVal==='1')snapBeats=4.0;else if(snapVal==='1/2')snapBeats=2.0;else if(snapVal==='1/4')snapBeats=1.0;else if(snapVal==='1/8')snapBeats=0.5;else if(snapVal==='1/16')snapBeats=0.25;else if(snapVal==='1/32')snapBeats=0.125;for(let beat=0;beat<=totalBeats;beat+=snapBeats){const x=beat*pixelsPerBeat;const isBar=beat%timeSigNum===0;ctx.strokeStyle=isBar?'#444450':'#2d2d35';ctx.lineWidth=isBar?1.2:0.6;ctx.beginPath();ctx.moveTo(x,0);ctx.lineTo(x,h);ctx.stroke();}// Draw notes with velocity layer representation (Hiển thị layer velocity ngay trên nốt) -notes.forEach(note=>{const x=note.start_beat*pixelsPerBeat;const y=(127-note.pitch)*NoteHeight;const w=note.duration_beats*pixelsPerBeat;// Draw background of note (lighter yellow) -ctx.fillStyle='rgba(234, 179, 8, 0.25)';ctx.strokeStyle='#ca8a04';ctx.lineWidth=1;ctx.fillRect(x+1,y+1,w-2,NoteHeight-2);ctx.strokeRect(x+1,y+1,w-2,NoteHeight-2);// Draw velocity layer (solid yellow bar inside, proportional to velocity) -const vel=note.velocity!==undefined?note.velocity:0.8;const velW=Math.max(2,(w-2)*vel);ctx.fillStyle='#eab308';ctx.fillRect(x+1,y+1,velW,NoteHeight-2);});},[notes,snapVal,rollZoom]);React.useEffect(()=>{const canvas=ccCanvasRef.current;if(!canvas)return;const ctx=canvas.getContext('2d');const dpr=window.devicePixelRatio||1;const h=80;canvas.width=drawWidth*dpr;canvas.height=h*dpr;ctx.scale(dpr,dpr);ctx.fillStyle='#161616';ctx.fillRect(0,0,drawWidth,h);ctx.strokeStyle='#252525';ctx.lineWidth=1;ctx.beginPath();ctx.moveTo(0,h/2);ctx.lineTo(drawWidth,h/2);ctx.stroke();notes.forEach(note=>{const x=note.start_beat*pixelsPerBeat+note.duration_beats*pixelsPerBeat/2;let val=note.velocity!==undefined?note.velocity:0.8;if(ccMode==='pan'){val=(note.pan!==undefined?note.pan:0.0)*0.5+0.5;}const stemH=val*(h-20)+10;const y=h-stemH;ctx.strokeStyle=ccMode==='pan'?'#a78bfa':'#fbbf24';ctx.lineWidth=2.5;ctx.beginPath();ctx.moveTo(x,h);ctx.lineTo(x,y);ctx.stroke();ctx.fillStyle=ccMode==='pan'?'#c084fc':'#fbbf24';ctx.beginPath();ctx.arc(x,y,3.5,0,2*Math.PI);ctx.fill();});},[notes,ccMode,rollZoom]);React.useEffect(()=>{if(gridScrollRef.current){gridScrollRef.current.scrollTop=(127-60)*NoteHeight-150;}},[]);const handleGridMouseDown=e=>{const canvas=canvasRef.current;if(!canvas)return;const rect=canvas.getBoundingClientRect();const x=e.clientX-rect.left;const y=e.clientY-rect.top;const beat=x/pixelsPerBeat;const pitch=127-Math.floor(y/NoteHeight);if(hoveredResizeIdx!==-1){setDraggedNote({mode:'resize',idx:hoveredResizeIdx,originalStart:notes[hoveredResizeIdx].start_beat});return;}const clickedNoteIdx=notes.findIndex(n=>{return pitch===n.pitch&&beat>=n.start_beat&&beat[...prev,newNote]);}}else if(activeRollTool==='eraser'){if(clickedNoteIdx!==-1){setNotes(prev=>prev.filter((_,idx)=>idx!==clickedNoteIdx));}}else if(activeRollTool==='pen'){if(clickedNoteIdx===-1){const start=getSnapBeat(beat,snapVal);const newNote={id:'note_'+Date.now()+Math.random().toString(36).substr(2,5),pitch:pitch,start_beat:start,duration_beats:getSnapDuration(snapVal),velocity:0.8,pan:0.0};setNotes(prev=>[...prev,newNote]);}}};const handleGridMouseMove=e=>{const canvas=canvasRef.current;if(!canvas)return;const rect=canvas.getBoundingClientRect();const x=e.clientX-rect.left;const y=e.clientY-rect.top;const beat=x/pixelsPerBeat;const pitch=127-Math.floor(y/NoteHeight);if(!draggedNote){// Check if mouse is near the right edge of any note -let foundIdx=-1;for(let i=0;i=n.start_beat){foundIdx=i;break;}}}if(foundIdx!==-1){canvas.style.cursor='ew-resize';setHoveredResizeIdx(foundIdx);}else{canvas.style.cursor=activeRollTool==='eraser'?'pointer':'crosshair';setHoveredResizeIdx(-1);}return;}if(draggedNote.mode==='resize'){const newDuration=getSnapBeat(Math.max(0.125,beat-draggedNote.originalStart),snapVal);setNotes(prev=>prev.map((n,idx)=>{if(idx!==draggedNote.idx)return n;return{...n,duration_beats:newDuration};}));}else{const newStart=getSnapBeat(Math.max(0,beat-draggedNote.startOffsetBeat),snapVal);const newPitch=Math.max(0,Math.min(127,pitch));setNotes(prev=>prev.map((n,idx)=>{if(idx!==draggedNote.idx)return n;return{...n,start_beat:newStart,pitch:newPitch};}));}};const handleGridMouseUp=()=>{setDraggedNote(null);};const handleCCMouseDown=e=>{const canvas=ccCanvasRef.current;if(!canvas)return;const rect=canvas.getBoundingClientRect();const x=e.clientX-rect.left;const y=e.clientY-rect.top;const h=rect.height;const beat=x/pixelsPerBeat;// Find note near beat or closest note horizontally -let noteIdx=notes.findIndex(n=>beat>=n.start_beat&&beat<=n.start_beat+n.duration_beats);if(noteIdx===-1){let minDistance=Infinity;notes.forEach((n,idx)=>{const center=n.start_beat+n.duration_beats/2;const dist=Math.abs(center-beat);if(distprev.map((n,idx)=>{if(idx!==noteIdx)return n;if(ccMode==='pan'){return{...n,pan:(val-0.5)*2.0};}else{return{...n,velocity:val};}}));}};const renderKeybed=()=>{const keys=[];for(let pitch=127;pitch>=0;pitch--){const isBlack=[1,3,6,8,10].includes(pitch%12);const notesArray=['C','C#','D','D#','E','F','F#','G','G#','A','A#','B'];const octave=Math.floor(pitch/12)-1;const label=`${notesArray[pitch%12]}${octave}`;const showLabel=pitch%12===0;keys.push(/*#__PURE__*/React.createElement("div",{key:pitch,style:{height:`${NoteHeight}px`},className:`w-[60px] shrink-0 border-b border-zinc-800 text-[9px] font-bold flex items-center justify-end pr-2 transition ${isBlack?'bg-zinc-950 text-slate-500 border-zinc-900':'bg-white text-zinc-800 border-r border-zinc-400'}`},showLabel&&label));}return keys;};const handleScroll=e=>{if(keybedRef.current){keybedRef.current.scrollTop=e.currentTarget.scrollTop;}};return/*#__PURE__*/React.createElement("div",{className:"flex-1 flex overflow-hidden min-h-0 bg-[#1e1e1e] flex-col"},/*#__PURE__*/React.createElement("div",{className:"h-10 bg-[#282828] border-b border-zinc-900 flex items-center justify-between px-4 shrink-0 text-slate-200"},/*#__PURE__*/React.createElement("div",{className:"flex items-center gap-4"},/*#__PURE__*/React.createElement("span",{className:"text-xs font-bold text-yellow-500 uppercase flex items-center gap-1.5"},/*#__PURE__*/React.createElement("i",{"data-lucide":"music",className:"w-3.5 h-3.5"}),st.label),/*#__PURE__*/React.createElement("div",{className:"flex bg-zinc-800 p-0.5 rounded border border-zinc-700 text-xs"},['select','pen','eraser'].map(tool=>/*#__PURE__*/React.createElement("button",{key:tool,onClick:()=>setActiveRollTool(tool),className:`px-2.5 py-1 rounded capitalize ${activeRollTool===tool?'bg-yellow-600 text-white font-bold':'text-zinc-400 hover:text-zinc-200'}`},tool))),/*#__PURE__*/React.createElement("div",{className:"flex items-center gap-1 text-xs"},/*#__PURE__*/React.createElement("span",{className:"text-zinc-500 font-semibold"},"Snap:"),/*#__PURE__*/React.createElement("select",{value:snapVal,onChange:e=>setSnapVal(e.target.value),className:"bg-zinc-800 border border-zinc-700 text-zinc-300 rounded px-1.5 py-0.5 outline-none focus:border-yellow-500"},['free','1','1/2','1/4','1/8','1/16','1/32'].map(v=>/*#__PURE__*/React.createElement("option",{key:v,value:v},v)))),/*#__PURE__*/React.createElement("div",{className:"flex bg-zinc-800 p-0.5 rounded border border-zinc-700 text-xs"},['velocity','pan'].map(mode=>/*#__PURE__*/React.createElement("button",{key:mode,onClick:()=>setCcMode(mode),className:`px-2.5 py-1 rounded capitalize ${ccMode===mode?'bg-purple-900/60 text-purple-300 font-bold border border-purple-700':'text-zinc-400 hover:text-zinc-200'}`},mode)))),/*#__PURE__*/React.createElement("button",{onClick:onClose,className:"px-2.5 py-1 bg-zinc-800 hover:bg-zinc-700 text-zinc-300 border border-zinc-700 rounded text-xs flex items-center gap-1 transition"},/*#__PURE__*/React.createElement("i",{"data-lucide":"x",className:"w-3 h-3"}),"Đóng")),/*#__PURE__*/React.createElement("div",{className:"flex-1 flex overflow-hidden min-h-0 relative"},/*#__PURE__*/React.createElement("div",{ref:keybedRef,className:"w-[60px] overflow-hidden flex flex-col border-r border-zinc-900 shrink-0",style:{scrollbarWidth:'none',msOverflowStyle:'none'}},renderKeybed()),/*#__PURE__*/React.createElement("div",{ref:gridScrollRef,onScroll:handleScroll,className:"flex-1 overflow-auto bg-[#141414] min-w-0"},/*#__PURE__*/React.createElement("div",{style:{width:`${drawWidth}px`,height:`${128*NoteHeight}px`},className:"relative"},/*#__PURE__*/React.createElement("canvas",{ref:canvasRef,onMouseDown:handleGridMouseDown,onMouseMove:handleGridMouseMove,onMouseUp:handleGridMouseUp,onMouseLeave:handleGridMouseUp,className:"absolute inset-0 cursor-crosshair"})))),/*#__PURE__*/React.createElement("div",{className:"h-20 bg-[#161616] border-t border-zinc-900 flex shrink-0"},/*#__PURE__*/React.createElement("div",{className:"w-[60px] bg-[#222222] border-r border-zinc-900 flex items-center justify-center text-[10px] text-zinc-500 font-mono shrink-0 font-bold"},ccMode.toUpperCase()),/*#__PURE__*/React.createElement("div",{className:"flex-1 overflow-x-hidden min-w-0"},/*#__PURE__*/React.createElement("div",{style:{width:`${drawWidth}px`,height:'100%'},className:"relative"},/*#__PURE__*/React.createElement("canvas",{ref:ccCanvasRef,onMouseDown:handleCCMouseDown,className:"absolute inset-0 cursor-ns-resize"})))));};const serializeProjectToSchema=(projectId,name,bpmVal,tracksList,subTabsList,sessionTabsList)=>{const secondsPerBar=60.0/parseFloat(bpmVal||120)*4;const mainTracks=(tracksList||[]).map(t=>{let trackType="AUDIO";if(t.sections&&t.sections.length>0)trackType="SECTION";else if(t.midiItems&&t.midiItems.length>0)trackType="MIDI";const items=[];if(trackType==="AUDIO"&&t.clips){t.clips.forEach(c=>{const durationSec=c.buffer?c.buffer.duration:4.0;items.push({id:c.id,name:c.name||"Audio Clip",type:"AUDIO_ITEM",start_bar:c.startTime/secondsPerBar,duration_bars:durationSec/(c.speed||1.0)/secondsPerBar,clip_start_offset_bars:0.0,source_data:{audio_file_url:t.serverFileId?`/static/audio/uploads/${t.serverFileId}`:"",sample_rate:c.buffer?c.buffer.sampleRate:44100,channels:c.buffer?c.buffer.numberOfChannels:2,gain:1.0}});});}else if(trackType==="MIDI"&&t.midiItems){t.midiItems.forEach(m=>{items.push({id:m.id,name:m.name||"MIDI Item",type:"MIDI_ITEM",start_bar:m.startTime/secondsPerBar,duration_bars:m.duration?m.duration/secondsPerBar:4.0,clip_start_offset_bars:0.0,source_data:{total_buffer_bars:m.duration?m.duration/secondsPerBar:8.0,notes:(m.notes||[]).map(n=>({id:n.id||'note_'+Math.random().toString(36).substr(2,9),pitch:n.pitch||60,start_beat:n.start_beat||0.0,duration_beats:n.duration_beats||1.0,velocity:n.velocity||0.8,pan:n.pan||0.0}))}});});}else if(trackType==="SECTION"&&t.sections){t.sections.forEach(s=>{items.push({id:s.id,name:s.name||"Section Item",type:"SECTION_ITEM",start_bar:s.start/secondsPerBar,duration_bars:s.duration/secondsPerBar,clip_start_offset_bars:0.0,source_data:{referenced_section_id:s.sectionId||s.id}});});}return{id:t.id,name:t.name,type:trackType,volume_db:t.volumeDb||0.0,pan:t.pan||0.0,mute:t.muted||false,solo:t.solo||false,items:items};});const sectionStore={};(sessionTabsList||[]).forEach(st=>{const secTracks=(st.tracks||[]).map(t=>{let trackType="AUDIO";if(t.sections&&t.sections.length>0)trackType="SECTION";else if(t.midiItems&&t.midiItems.length>0)trackType="MIDI";return{id:t.id,name:t.name,type:trackType,volume_db:t.volumeDb||0.0,pan:t.pan||0.0,mute:t.muted||false,solo:t.solo||false,items:[]};});sectionStore[st.sectionId]={id:st.sectionId,name:st.name,is_root:false,length_bars:st.length_bars||16.0,auto_compute_length:st.auto_compute_length!==undefined?st.auto_compute_length:true,tracks:secTracks};});return{project_id:projectId||'proj_'+Date.now(),metadata:{title:name||"Dự án mới",bpm:parseFloat(bpmVal||120),time_signature_numerator:4,time_signature_denominator:4,sample_rate:44100},main_session:{id:"main",name:"MAIN SESSION",is_root:true,length_bars:16.0,auto_compute_length:true,tracks:mainTracks},section_store:sectionStore};};const deserializeProjectFromSchema=schemaObj=>{const bpmVal=schemaObj.metadata?schemaObj.metadata.bpm:120;const secondsPerBar=60.0/bpmVal*4;const restoredTracks=(schemaObj.main_session.tracks||[]).map(t=>{const clips=[];const sections=[];const midiItems=[];(t.items||[]).forEach(item=>{if(item.type==="AUDIO_ITEM"){const src=item.source_data||{};const audioUrl=src.audio_file_url||"";const serverFileId=audioUrl.split("/").pop()||null;clips.push({id:item.id,name:item.name,startTime:item.start_bar*secondsPerBar,speed:1.0});}else if(item.type==="MIDI_ITEM"){const src=item.source_data||{};midiItems.push({id:item.id,name:item.name,startTime:item.start_bar*secondsPerBar,duration:item.duration_bars*secondsPerBar,notes:src.notes||[]});}else if(item.type==="SECTION_ITEM"){const src=item.source_data||{};sections.push({id:item.id,name:item.name,start:item.start_bar*secondsPerBar,duration:item.duration_bars*secondsPerBar,sectionId:src.referenced_section_id});}});return{id:t.id,name:t.name,volumeDb:t.volume_db||0.0,pan:t.pan||0.0,muted:t.mute||false,solo:t.solo||false,color:t.id==='1'?'#0f766e':'#1d4ed8',markers:[],serverFileId:t.items&&t.items.find(i=>i.type==="AUDIO_ITEM")?.source_data?.audio_file_url?.split("/").pop()||null,clips:clips,sections:sections,midiItems:midiItems};});const restoredSessionTabs=[];const sectionStore=schemaObj.section_store||{};Object.keys(sectionStore).forEach(secId=>{const secContainer=sectionStore[secId];const secTracks=(secContainer.tracks||[]).map(t=>{return{id:t.id,name:t.name,volumeDb:t.volume_db||0.0,pan:t.pan||0.0,muted:t.mute||false,solo:t.solo||false,clips:[],sections:[],midiItems:[]};});restoredSessionTabs.push({id:'session_'+secId,name:secContainer.name,sectionId:secId,tracks:secTracks,length_bars:secContainer.length_bars||16.0,auto_compute_length:secContainer.auto_compute_length});});return{bpm:bpmVal,tracks:restoredTracks,sessionTabs:restoredSessionTabs};};const App=()=>{// ── State Definitions ── +let snapBeats=0.25;if(snapVal==='1')snapBeats=4.0;else if(snapVal==='1/2')snapBeats=2.0;else if(snapVal==='1/4')snapBeats=1.0;else if(snapVal==='1/8')snapBeats=0.5;else if(snapVal==='1/16')snapBeats=0.25;else if(snapVal==='1/32')snapBeats=0.125;for(let beat=0;beat<=totalBeats;beat+=snapBeats){const x=beat*pixelsPerBeat;const isBar=beat%timeSigNum===0;ctx.strokeStyle=isBar?'#444450':'#2d2d35';ctx.lineWidth=isBar?1.2:0.6;ctx.beginPath();ctx.moveTo(x,0);ctx.lineTo(x,h);ctx.stroke();}// Draw notes with velocity layer representation +notes.forEach(note=>{const x=note.start_beat*pixelsPerBeat;const y=(127-note.pitch)*NoteHeight;const w=note.duration_beats*pixelsPerBeat;const isSelected=selectedNoteIds.includes(note.id);// Draw background of note +ctx.fillStyle=isSelected?'rgba(59, 130, 246, 0.4)':'rgba(234, 179, 8, 0.25)';ctx.strokeStyle=isSelected?'#3b82f6':'#ca8a04';ctx.lineWidth=isSelected?1.5:1;ctx.fillRect(x+1,y+1,w-2,NoteHeight-2);ctx.strokeRect(x+1,y+1,w-2,NoteHeight-2);// Draw velocity layer (solid yellow/blue bar inside, proportional to velocity) +const vel=note.velocity!==undefined?note.velocity:0.8;const velW=Math.max(2,(w-2)*vel);ctx.fillStyle=isSelected?'#3b82f6':'#eab308';ctx.fillRect(x+1,y+1,velW,NoteHeight-2);});// Draw selection marquee if active +if(selectionMarquee){const minBeat=Math.min(selectionMarquee.startBeat,selectionMarquee.currentBeat);const maxBeat=Math.max(selectionMarquee.startBeat,selectionMarquee.currentBeat);const minPitch=Math.min(selectionMarquee.startPitch,selectionMarquee.currentPitch);const maxPitch=Math.max(selectionMarquee.startPitch,selectionMarquee.currentPitch);const mx=minBeat*pixelsPerBeat;const my=(127-maxPitch)*NoteHeight;const mw=(maxBeat-minBeat)*pixelsPerBeat;const mh=(maxPitch-minPitch+1)*NoteHeight;ctx.fillStyle='rgba(59, 130, 246, 0.15)';ctx.strokeStyle='#3b82f6';ctx.lineWidth=1;ctx.setLineDash([4,4]);ctx.fillRect(mx,my,mw,mh);ctx.strokeRect(mx,my,mw,mh);ctx.setLineDash([]);}},[notes,snapVal,rollZoom,selectedNoteIds,selectionMarquee]);React.useEffect(()=>{const canvas=ccCanvasRef.current;if(!canvas)return;const ctx=canvas.getContext('2d');const dpr=window.devicePixelRatio||1;const h=80;canvas.width=drawWidth*dpr;canvas.height=h*dpr;ctx.scale(dpr,dpr);ctx.fillStyle='#161616';ctx.fillRect(0,0,drawWidth,h);ctx.strokeStyle='#252525';ctx.lineWidth=1;ctx.beginPath();ctx.moveTo(0,h/2);ctx.lineTo(drawWidth,h/2);ctx.stroke();notes.forEach(note=>{const x=note.start_beat*pixelsPerBeat+note.duration_beats*pixelsPerBeat/2;let val=note.velocity!==undefined?note.velocity:0.8;if(ccMode==='pan'){val=(note.pan!==undefined?note.pan:0.0)*0.5+0.5;}const stemH=val*(h-20)+10;const y=h-stemH;ctx.strokeStyle=ccMode==='pan'?'#a78bfa':'#fbbf24';ctx.lineWidth=2.5;ctx.beginPath();ctx.moveTo(x,h);ctx.lineTo(x,y);ctx.stroke();ctx.fillStyle=ccMode==='pan'?'#c084fc':'#fbbf24';ctx.beginPath();ctx.arc(x,y,3.5,0,2*Math.PI);ctx.fill();});},[notes,ccMode,rollZoom]);React.useEffect(()=>{if(gridScrollRef.current){gridScrollRef.current.scrollTop=(127-60)*NoteHeight-150;}},[]);const handleGridMouseDown=e=>{const canvas=canvasRef.current;if(!canvas)return;const rect=canvas.getBoundingClientRect();const x=e.clientX-rect.left;const y=e.clientY-rect.top;const beat=x/pixelsPerBeat;const pitch=127-Math.floor(y/NoteHeight);// Right click -> Quick delete note! +if(e.button===2){e.preventDefault();const clickedNote=notes.find(n=>{return pitch===n.pitch&&beat>=n.start_beat&&beatprev.filter(n=>n.id!==clickedNote.id));setSelectedNoteIds(prev=>prev.filter(id=>id!==clickedNote.id));showToast('Đã xóa nốt nhanh!','info');}return;}if(e.button!==0)return;// Only handle left click +// Ctrl+Click -> Quick draw note! +if(e.ctrlKey){const start=getSnapBeat(beat,snapVal);const newNote={id:'note_'+Date.now()+Math.random().toString(36).substr(2,5),pitch:pitch,start_beat:start,duration_beats:getSnapDuration(snapVal),velocity:0.8,pan:0.0};setNotes(prev=>[...prev,newNote]);showToast('Đã vẽ nhanh nốt mới!','info');return;}if(hoveredResizeIdx!==-1){setDraggedNote({mode:'resize',idx:hoveredResizeIdx,originalStart:notes[hoveredResizeIdx].start_beat});return;}const clickedNoteIdx=notes.findIndex(n=>{return pitch===n.pitch&&beat>=n.start_beat&&beat[...prev,clickedNote.id]);}else{setSelectedNoteIds([clickedNote.id]);}}const selectedNotesOffset=notes.filter(n=>selectedNoteIds.includes(n.id)||n.id===clickedNote.id).map(n=>({id:n.id,originalStartBeat:n.start_beat,originalPitch:n.pitch}));setDraggedNote({mode:'move',idx:clickedNoteIdx,startOffsetBeat:beat-clickedNote.start_beat,startOffsetPitch:pitch-clickedNote.pitch,selectedNotesOffset:selectedNotesOffset});}else{// Clicked in empty space -> Start selection marquee +setSelectedNoteIds([]);setSelectionMarquee({startBeat:beat,startPitch:pitch,currentBeat:beat,currentPitch:pitch});}};const handleGridMouseMove=e=>{const canvas=canvasRef.current;if(!canvas)return;const rect=canvas.getBoundingClientRect();const x=e.clientX-rect.left;const y=e.clientY-rect.top;const beat=x/pixelsPerBeat;const pitch=127-Math.floor(y/NoteHeight);if(selectionMarquee){const marquee={...selectionMarquee,currentBeat:beat,currentPitch:pitch};setSelectionMarquee(marquee);const minBeat=Math.min(marquee.startBeat,marquee.currentBeat);const maxBeat=Math.max(marquee.startBeat,marquee.currentBeat);const minPitch=Math.min(marquee.startPitch,marquee.currentPitch);const maxPitch=Math.max(marquee.startPitch,marquee.currentPitch);const insideIds=notes.filter(n=>n.start_beat>=minBeat&&n.start_beat<=maxBeat&&n.pitch>=minPitch&&n.pitch<=maxPitch).map(n=>n.id);setSelectedNoteIds(insideIds);return;}if(!draggedNote){let foundIdx=-1;for(let i=0;i=n.start_beat){foundIdx=i;break;}}}if(foundIdx!==-1){canvas.style.cursor='ew-resize';setHoveredResizeIdx(foundIdx);}else{canvas.style.cursor=activeRollTool==='eraser'?'pointer':'crosshair';setHoveredResizeIdx(-1);}return;}if(draggedNote.mode==='resize'){const newDuration=getSnapBeat(Math.max(0.125,beat-draggedNote.originalStart),snapVal);setNotes(prev=>prev.map((n,idx)=>{if(idx!==draggedNote.idx)return n;return{...n,duration_beats:newDuration};}));}else if(draggedNote.mode==='move'){const baseOriginal=draggedNote.selectedNotesOffset.find(o=>o.id===notes[draggedNote.idx].id);const deltaBeat=getSnapBeat(beat-draggedNote.startOffsetBeat,snapVal)-baseOriginal.originalStartBeat;const deltaPitch=Math.round(pitch-draggedNote.startOffsetPitch)-baseOriginal.originalPitch;setNotes(prev=>prev.map(n=>{const offset=draggedNote.selectedNotesOffset.find(o=>o.id===n.id);if(!offset)return n;return{...n,start_beat:getSnapBeat(Math.max(0,offset.originalStartBeat+deltaBeat),snapVal),pitch:Math.max(0,Math.min(127,offset.originalPitch+deltaPitch))};}));}};const handleGridMouseUp=()=>{setDraggedNote(null);setSelectionMarquee(null);};const handleContextMenu=e=>{e.preventDefault();};const handleCCMouseDown=e=>{const canvas=ccCanvasRef.current;if(!canvas)return;const rect=canvas.getBoundingClientRect();const x=e.clientX-rect.left;const y=e.clientY-rect.top;const h=rect.height;const beat=x/pixelsPerBeat;let noteIdx=notes.findIndex(n=>beat>=n.start_beat&&beat<=n.start_beat+n.duration_beats);if(noteIdx===-1){let minDistance=Infinity;notes.forEach((n,idx)=>{const center=n.start_beat+n.duration_beats/2;const dist=Math.abs(center-beat);if(distprev.map((n,idx)=>{if(idx!==noteIdx)return n;if(ccMode==='pan'){return{...n,pan:(val-0.5)*2.0};}else{return{...n,velocity:val};}}));}};const renderKeybed=()=>{const keys=[];for(let pitch=127;pitch>=0;pitch--){const isBlack=[1,3,6,8,10].includes(pitch%12);const notesArray=['C','C#','D','D#','E','F','F#','G','G#','A','A#','B'];const octave=Math.floor(pitch/12)-1;const label=`${notesArray[pitch%12]}${octave}`;const showLabel=pitch%12===0;keys.push(/*#__PURE__*/React.createElement("div",{key:pitch,style:{height:`${NoteHeight}px`},className:`w-[60px] shrink-0 border-b border-zinc-800 text-[9px] font-bold flex items-center justify-end pr-2 transition ${isBlack?'bg-zinc-950 text-slate-500 border-zinc-900':'bg-white text-zinc-800 border-r border-zinc-400'}`},showLabel&&label));}return keys;};const handleScroll=e=>{if(keybedRef.current){keybedRef.current.scrollTop=e.currentTarget.scrollTop;}if(rulerScrollRef.current){rulerScrollRef.current.scrollLeft=e.currentTarget.scrollLeft;}};const renderBarLabels=()=>{const labels=[];const barsCount=Math.ceil(totalBeats/4);for(let bar=0;bar/*#__PURE__*/React.createElement("button",{key:tool,onClick:()=>setActiveRollTool(tool),className:`px-2.5 py-1 rounded capitalize ${activeRollTool===tool?'bg-yellow-600 text-white font-bold':'text-zinc-400 hover:text-zinc-200'}`},tool))),/*#__PURE__*/React.createElement("div",{className:"flex items-center gap-1 text-xs"},/*#__PURE__*/React.createElement("span",{className:"text-zinc-500 font-semibold"},"Snap:"),/*#__PURE__*/React.createElement("select",{value:snapVal,onChange:e=>setSnapVal(e.target.value),className:"bg-zinc-800 border border-zinc-700 text-zinc-300 rounded px-1.5 py-0.5 outline-none focus:border-yellow-500"},['free','1','1/2','1/4','1/8','1/16','1/32'].map(v=>/*#__PURE__*/React.createElement("option",{key:v,value:v},v)))),/*#__PURE__*/React.createElement("div",{className:"flex bg-zinc-800 p-0.5 rounded border border-zinc-700 text-xs"},['velocity','pan'].map(mode=>/*#__PURE__*/React.createElement("button",{key:mode,onClick:()=>setCcMode(mode),className:`px-2.5 py-1 rounded capitalize ${ccMode===mode?'bg-purple-900/60 text-purple-300 font-bold border border-purple-700':'text-zinc-400 hover:text-zinc-200'}`},mode)))),/*#__PURE__*/React.createElement("div",{className:"flex items-center gap-1"},/*#__PURE__*/React.createElement("button",{onClick:()=>onSaveNotes(st.id,st.trackId,st.target_id,notes),className:"px-2.5 py-1 bg-emerald-600 hover:bg-emerald-500 text-white rounded text-xs flex items-center gap-1 transition font-semibold"},/*#__PURE__*/React.createElement("i",{"data-lucide":"save",className:"w-3 h-3"}),"Lưu"),/*#__PURE__*/React.createElement("button",{onClick:onClose,className:"px-2.5 py-1 bg-zinc-800 hover:bg-zinc-700 text-zinc-300 border border-zinc-700 rounded text-xs flex items-center gap-1 transition"},/*#__PURE__*/React.createElement("i",{"data-lucide":"x",className:"w-3 h-3"}),"Đóng"))),/*#__PURE__*/React.createElement("div",{className:"h-6 bg-[#1a1a1f] border-b border-zinc-900 flex shrink-0"},/*#__PURE__*/React.createElement("div",{className:"w-[60px] bg-[#222222] border-r border-zinc-900 shrink-0"}),/*#__PURE__*/React.createElement("div",{ref:rulerScrollRef,className:"flex-1 overflow-hidden"},/*#__PURE__*/React.createElement("div",{style:{width:`${drawWidth}px`,height:'100%'},className:"relative h-full font-mono text-[9px] text-zinc-500 font-bold"},renderBarLabels()))),/*#__PURE__*/React.createElement("div",{className:"flex-1 flex overflow-hidden min-h-0 relative"},/*#__PURE__*/React.createElement("div",{ref:keybedRef,className:"w-[60px] overflow-hidden flex flex-col border-r border-zinc-900 shrink-0",style:{scrollbarWidth:'none',msOverflowStyle:'none'}},renderKeybed()),/*#__PURE__*/React.createElement("div",{ref:gridScrollRef,onScroll:handleScroll,className:"flex-1 overflow-auto bg-[#141414] min-w-0"},/*#__PURE__*/React.createElement("div",{style:{width:`${drawWidth}px`,height:`${128*NoteHeight}px`},className:"relative"},/*#__PURE__*/React.createElement("canvas",{ref:canvasRef,onMouseDown:handleGridMouseDown,onMouseMove:handleGridMouseMove,onMouseUp:handleGridMouseUp,onMouseLeave:handleGridMouseUp,onContextMenu:handleContextMenu,className:"absolute inset-0 cursor-crosshair"})))),/*#__PURE__*/React.createElement("div",{className:"h-20 bg-[#161616] border-t border-zinc-900 flex shrink-0"},/*#__PURE__*/React.createElement("div",{className:"w-[60px] bg-[#222222] border-r border-zinc-900 flex items-center justify-center text-[10px] text-zinc-500 font-mono shrink-0 font-bold"},ccMode.toUpperCase()),/*#__PURE__*/React.createElement("div",{className:"flex-1 overflow-x-hidden min-w-0"},/*#__PURE__*/React.createElement("div",{style:{width:`${drawWidth}px`,height:'100%'},className:"relative"},/*#__PURE__*/React.createElement("canvas",{ref:ccCanvasRef,onMouseDown:handleCCMouseDown,className:"absolute inset-0 cursor-ns-resize"})))));};const serializeProjectToSchema=(projectId,name,bpmVal,tracksList,subTabsList,sessionTabsList)=>{const secondsPerBar=60.0/parseFloat(bpmVal||120)*4;const mainTracks=(tracksList||[]).map(t=>{let trackType="AUDIO";if(t.sections&&t.sections.length>0)trackType="SECTION";else if(t.midiItems&&t.midiItems.length>0)trackType="MIDI";const items=[];if(trackType==="AUDIO"&&t.clips){t.clips.forEach(c=>{const durationSec=c.buffer?c.buffer.duration:4.0;items.push({id:c.id,name:c.name||"Audio Clip",type:"AUDIO_ITEM",start_bar:c.startTime/secondsPerBar,duration_bars:durationSec/(c.speed||1.0)/secondsPerBar,clip_start_offset_bars:0.0,source_data:{audio_file_url:t.serverFileId?`/static/audio/uploads/${t.serverFileId}`:"",sample_rate:c.buffer?c.buffer.sampleRate:44100,channels:c.buffer?c.buffer.numberOfChannels:2,gain:1.0}});});}else if(trackType==="MIDI"&&t.midiItems){t.midiItems.forEach(m=>{items.push({id:m.id,name:m.name||"MIDI Item",type:"MIDI_ITEM",start_bar:m.startTime/secondsPerBar,duration_bars:m.duration?m.duration/secondsPerBar:4.0,clip_start_offset_bars:0.0,source_data:{total_buffer_bars:m.duration?m.duration/secondsPerBar:8.0,notes:(m.notes||[]).map(n=>({id:n.id||'note_'+Math.random().toString(36).substr(2,9),pitch:n.pitch||60,start_beat:n.start_beat||0.0,duration_beats:n.duration_beats||1.0,velocity:n.velocity||0.8,pan:n.pan||0.0}))}});});}else if(trackType==="SECTION"&&t.sections){t.sections.forEach(s=>{items.push({id:s.id,name:s.name||"Section Item",type:"SECTION_ITEM",start_bar:s.start/secondsPerBar,duration_bars:s.duration/secondsPerBar,clip_start_offset_bars:0.0,source_data:{referenced_section_id:s.sectionId||s.id}});});}return{id:t.id,name:t.name,type:trackType,volume_db:t.volumeDb||0.0,pan:t.pan||0.0,mute:t.muted||false,solo:t.solo||false,items:items};});const sectionStore={};(sessionTabsList||[]).forEach(st=>{const secTracks=(st.tracks||[]).map(t=>{let trackType="AUDIO";if(t.sections&&t.sections.length>0)trackType="SECTION";else if(t.midiItems&&t.midiItems.length>0)trackType="MIDI";return{id:t.id,name:t.name,type:trackType,volume_db:t.volumeDb||0.0,pan:t.pan||0.0,mute:t.muted||false,solo:t.solo||false,items:[]};});sectionStore[st.sectionId]={id:st.sectionId,name:st.name,is_root:false,length_bars:st.length_bars||16.0,auto_compute_length:st.auto_compute_length!==undefined?st.auto_compute_length:true,tracks:secTracks};});return{project_id:projectId||'proj_'+Date.now(),metadata:{title:name||"Dự án mới",bpm:parseFloat(bpmVal||120),time_signature_numerator:4,time_signature_denominator:4,sample_rate:44100},main_session:{id:"main",name:"MAIN SESSION",is_root:true,length_bars:16.0,auto_compute_length:true,tracks:mainTracks},section_store:sectionStore};};const deserializeProjectFromSchema=schemaObj=>{const bpmVal=schemaObj.metadata?schemaObj.metadata.bpm:120;const secondsPerBar=60.0/bpmVal*4;const restoredTracks=(schemaObj.main_session.tracks||[]).map(t=>{const clips=[];const sections=[];const midiItems=[];(t.items||[]).forEach(item=>{if(item.type==="AUDIO_ITEM"){const src=item.source_data||{};const audioUrl=src.audio_file_url||"";const serverFileId=audioUrl.split("/").pop()||null;clips.push({id:item.id,name:item.name,startTime:item.start_bar*secondsPerBar,speed:1.0});}else if(item.type==="MIDI_ITEM"){const src=item.source_data||{};midiItems.push({id:item.id,name:item.name,startTime:item.start_bar*secondsPerBar,duration:item.duration_bars*secondsPerBar,notes:src.notes||[]});}else if(item.type==="SECTION_ITEM"){const src=item.source_data||{};sections.push({id:item.id,name:item.name,start:item.start_bar*secondsPerBar,duration:item.duration_bars*secondsPerBar,sectionId:src.referenced_section_id});}});return{id:t.id,name:t.name,volumeDb:t.volume_db||0.0,pan:t.pan||0.0,muted:t.mute||false,solo:t.solo||false,color:t.id==='1'?'#0f766e':'#1d4ed8',markers:[],serverFileId:t.items&&t.items.find(i=>i.type==="AUDIO_ITEM")?.source_data?.audio_file_url?.split("/").pop()||null,clips:clips,sections:sections,midiItems:midiItems};});const restoredSessionTabs=[];const sectionStore=schemaObj.section_store||{};Object.keys(sectionStore).forEach(secId=>{const secContainer=sectionStore[secId];const secTracks=(secContainer.tracks||[]).map(t=>{return{id:t.id,name:t.name,volumeDb:t.volume_db||0.0,pan:t.pan||0.0,muted:t.mute||false,solo:t.solo||false,clips:[],sections:[],midiItems:[]};});restoredSessionTabs.push({id:'session_'+secId,name:secContainer.name,sectionId:secId,tracks:secTracks,length_bars:secContainer.length_bars||16.0,auto_compute_length:secContainer.auto_compute_length});});return{bpm:bpmVal,tracks:restoredTracks,sessionTabs:restoredSessionTabs};};const App=()=>{// ── State Definitions ── const[tracks,setTracks]=useState([{id:'1',name:'Track 01',buffer:null,startTime:0,volumeDb:0,pan:0,muted:false,solo:false,color:'#0f766e',markers:[],serverFileId:null,clips:[],sections:[],midiItems:[],isArmed:false,monitoringEnabled:true,inputSource:{deviceType:'NONE',deviceId:''}},{id:'2',name:'Track 02',buffer:null,startTime:0,volumeDb:0,pan:0,muted:false,solo:false,color:'#1d4ed8',markers:[],serverFileId:null,clips:[],sections:[],midiItems:[],isArmed:false,monitoringEnabled:true,inputSource:{deviceType:'NONE',deviceId:''}}]);const[appWarningModal,setAppWarningModal]=useState(null);const[bpm,setBpm]=useState(localStorage.getItem('studio_bpm')||'120');const[draggedClip,setDraggedClip]=useState(null);// { trackId, clickOffset, buffer, name, volume, color } const[hoveredTrackId,setHoveredTrackId]=useState(null);const openPanel=id=>{if(id==='export')setShowExportPanel(true);else if(id==='ai')setShowAIPanel(true);else if(id==='python_tools')setShowPythonToolsPanel(true);else if(id==='selection')setShowSelectionPanel(true);};const[activeTool,setActiveTool]=useState('select');// 'select' | 'grab' | 'razor' const[snapValue,setSnapValue]=useState('free');// 'free', '1', '1/2', '1/4', '1/8', '1/16', '1/32' @@ -158,7 +165,7 @@ if(e.key===' '||e.code==='Space'){e.preventDefault();if(handlePlayPauseRef.curre const curTabId=activeTabRef.current;if(ctrl&&alt&&e.key==='n'){e.preventDefault();handleSubTabNormalize(curTabId);return;}if(e.key==='f'||e.key==='F'){e.preventDefault();handleSubTabFade(curTabId,'in');return;}if(e.key==='g'||e.key==='G'){e.preventDefault();handleSubTabFade(curTabId,'out');return;}if(ctrl&&e.key==='l'){e.preventDefault();handleSubTabLoop(curTabId,4);return;}if(e.key==='v'||e.key==='V'){e.preventDefault();const val=prompt("Nhập Gain điều chỉnh (dB):","0");if(val)handleSubTabGain(curTabId,parseFloat(val)||0);return;}if(ctrl&&e.key==='x'){e.preventDefault();handleSubTabCut(curTabId);return;}if(ctrl&&e.key==='c'){e.preventDefault();handleSubTabCopy(curTabId);return;}if(ctrl&&e.key==='v'){e.preventDefault();handleSubTabPaste(curTabId);return;}if(e.key==='Delete'||e.key==='Backspace'||e.key==='Del'){e.preventDefault();if(subTabSelectedNodeTimeRef.current!==null){const selTime=subTabSelectedNodeTimeRef.current;setSubTabs(prev=>prev.map(s=>{if(s.id!==curTabId)return s;const curNodes=s.graphMode==='pan'?s.panningNodes||[]:s.volumeNodes||[];const updated=curNodes.filter(n=>n.time!==selTime);return{...s,[s.graphMode==='pan'?'panningNodes':'volumeNodes']:updated};}));setSubTabSelectedNodeTime(null);}else{handleSubTabDelete(curTabId);}return;}return;}if(ctrl&&e.key==='z'&&!e.shiftKey){e.preventDefault();handleUndoRef.current();return;}if(ctrl&&(e.key==='y'||e.key==='z'&&e.shiftKey)){e.preventDefault();handleRedoRef.current();return;}if(ctrl&&!alt&&e.key==='o'){e.preventDefault();handleImportSFS();return;}if(ctrl&&!alt&&e.key==='n'){e.preventDefault();setTracks([{id:'1',name:'Track 01',buffer:null,startTime:0,volumeDb:0,pan:0,muted:false,solo:false,color:'#0f766e',markers:[],serverFileId:null},{id:'2',name:'Track 02',buffer:null,startTime:0,volumeDb:0,pan:0,muted:false,solo:false,color:'#1d4ed8',markers:[],serverFileId:null}]);setSelectedTrackId('1');showToast('New project created','info');return;}if(ctrl&&!alt&&e.key==='s'){e.preventDefault();handleExportSFS();return;}if(ctrl&&alt&&e.key==='s'||ctrl&&e.shiftKey&&e.key==='s'){e.preventDefault();handleExportSFS();return;}if(ctrl&&!alt&&e.key==='i'){e.preventDefault();addNewTrack();return;}if(ctrl&&alt&&e.key==='i'){e.preventDefault();showToast('Import audio','info');return;}if(ctrl&&!alt&&e.key==='e'){e.preventDefault();openTempTab();return;}if(ctrl&&!alt&&e.key==='m'){e.preventDefault();handleMergeTracks();return;}if(ctrl&&!alt&&e.key==='c'){e.preventDefault();handleCopyTrack();return;}if(ctrl&&!alt&&e.key==='x'){e.preventDefault();handleCutTrack();return;}if(ctrl&&!alt&&e.key==='v'){e.preventDefault();handlePasteTrack();return;}if(e.key==='Delete'||e.key==='Backspace'||e.key==='Del'){const selClip=selectedClipIdRef.current;if(selClip){e.preventDefault();const{trackId,clipId}=selClip;setTracks(prev=>{const track=prev.find(t=>t.id===trackId);if(!track)return prev;const beforeSnap=captureTrackSnapshotRef.current?captureTrackSnapshotRef.current(trackId):null;const updatedClips=(track.clips||[]).filter(c=>c.id!==clipId);const updatedTracks=prev.map(t=>{if(t.id===trackId){return{...t,clips:updatedClips,buffer:updatedClips.length>0?updatedClips[0].buffer:null,startTime:updatedClips.length>0?updatedClips[0].startTime:0,name:updatedClips.length>0?updatedClips[0].name:`Track ${t.id}`};}return t;});setTimeout(()=>{const afterSnap=captureTrackSnapshotRef.current?captureTrackSnapshotRef.current(trackId):null;pushAction('DELETE_CLIP',trackId,beforeSnap,afterSnap);},50);return updatedTracks;});setSelectedClipId(null);showToast('Đã xóa clip.','info');return;}else{e.preventDefault();handleDeleteTrack();return;}}if(ctrl&&!alt&&e.key==='s'){e.preventDefault();handleSaveProject();return;}if(!ctrl&&!alt&&e.key==='s'){e.preventDefault();handleSplitTrack(selectedTrackId);return;}};window.addEventListener('keydown',handler);return()=>window.removeEventListener('keydown',handler);},[]);// ── Temp Tab: draw isolated waveform ── useEffect(()=>{if(!tempTabActive||!tempTabBuffer||!tempTabCanvasRef.current)return;const canvas=tempTabCanvasRef.current;const ctx=canvas.getContext('2d');const dpr=window.devicePixelRatio||1;const rect=canvas.getBoundingClientRect();canvas.width=rect.width*dpr;canvas.height=rect.height*dpr;ctx.scale(dpr,dpr);const w=rect.width;const h=rect.height;ctx.fillStyle='#181818';ctx.fillRect(0,0,w,h);const data=tempTabBuffer.getChannelData(0);const sr=tempTabBuffer.sampleRate;const totalSamples=data.length;if(totalSamples===0)return;ctx.strokeStyle='#6ee7b7';ctx.lineWidth=1;for(let px=0;pxmaxVal)maxVal=abs;}const mid=h/2;const peakHeight=maxVal*(h*0.4);ctx.beginPath();ctx.moveTo(px,mid-peakHeight);ctx.lineTo(px,mid+peakHeight);ctx.stroke();}},[tempTabActive,tempTabBuffer]);// ── Sub Tab: open as new tab instead of modal (LOOP_EDITOR_2.md §1) ── const openTempTab=()=>{const useLocal=selectionMode==='local'&&localSelectionTrackId;const trackId=useLocal?localSelectionTrackId:selectedTrackId;const t=tracks.find(x=>x.id===trackId);if(!t||!t.buffer){showToast('Vui lòng chọn track có dữ liệu âm thanh.','warning');return;}if(selLeft===null||selRight===null||selRight<=selLeft){showToast('Vui lòng chọn một khoảng thời gian trên sóng âm.','warning');return;}// Check if a subtab for this track+range already exists -const existing=subTabs.find(s=>s.trackId===trackId&&s.startTime===selLeft&&s.endTime===selRight);if(existing){setActiveTab(existing.id);showToast(`Sub Tab already open.`,'info');return;}const sr=t.buffer.sampleRate;const trackStart=t.startTime||0;const relSelLeft=Math.max(0,selLeft-trackStart);const relSelRight=Math.max(0,selRight-trackStart);const startSample=Math.max(0,Math.floor(relSelLeft*sr));const endSample=Math.min(t.buffer.length,Math.floor(relSelRight*sr));const len=endSample-startSample;if(len<100){showToast('Khoảng chọn quá ngắn.','warning');return;}const ctx=getAudioContext();const numChannels=t.buffer.numberOfChannels||1;const subBuffer=ctx.createBuffer(numChannels,len,sr);for(let c=0;c[...prev,{id:tabId,label:tabLabel,trackId:trackId,startTime:selLeft,endTime:selRight,buffer:subBuffer,channelInfo:subChannelInfo,effects:{reverse:false,gainDb:0,fadeInMs:0,fadeOutMs:0,normalizeDb:0,pitch:0,speedStretch:100},currentTime:0,selectionStart:null,selectionEnd:null,isPlaying:false,speed:1.0,volumeNodes:[],panningNodes:[],fadeInLen:0,fadeOutLen:0,graphMode:null,isLooping:false,loopCount:0}]);setActiveTab(tabId);};const handleEditClipInSubTab=(trackId,clipId)=>{const track=activeTracks.find(t=>t.id===trackId);if(!track)return;const clips=track.clips&&track.clips.length>0?track.clips:track.buffer?[{id:'default_'+track.id,buffer:track.buffer,startTime:track.startTime||0,name:track.name}]:[];const clip=clips.find(c=>c.id===clipId||clipId==='default'&&c.id==='default_'+trackId);if(!clip||!clip.buffer)return;const resolvedClipId=clip.id==='default'?'default_'+trackId:clip.id;const existing=subTabs.find(s=>s.clipId===resolvedClipId&&s.trackId===trackId);if(existing){setActiveTab(existing.id);showToast(`Sub Tab for "${clip.name}" already open.`,'info');return;}const sr=clip.buffer.sampleRate;const len=clip.buffer.length;const numChannels=clip.buffer.numberOfChannels||1;const ctx=getAudioContext();const subBuffer=ctx.createBuffer(numChannels,len,sr);for(let c=0;c[...prev,{id:tabId,label:tabLabel,trackId:trackId,clipId:resolvedClipId,startTime:clip.startTime,endTime:clip.startTime+clip.buffer.duration,buffer:subBuffer,channelInfo:subChannelInfo,effects:{reverse:false,gainDb:0,fadeInMs:0,fadeOutMs:0,normalizeDb:0,pitch:0,speedStretch:100},currentTime:0,selectionStart:null,selectionEnd:null,isPlaying:false,speed:1.0,volumeNodes:[],panningNodes:[],fadeInLen:0,fadeOutLen:0,graphMode:null,isLooping:false,loopCount:0}]);setActiveTab(tabId);};const handleEditMidiInTab=(trackId,midiItemId)=>{const track=activeTracks.find(t=>t.id===trackId);if(!track)return;const midiItem=(track.midiItems||[]).find(m=>m.id===midiItemId);if(!midiItem)return;const existing=subTabs.find(s=>s.type==='PIANO_ROLL'&&s.target_id===midiItemId);if(existing){setActiveTab(existing.id);showToast('Piano Roll cho nốt MIDI đã được mở.','info');return;}const tabId='midi_'+Date.now();const tabLabel=`Piano Roll: ${midiItem.name||'MIDI'}`;const newTab={id:tabId,label:tabLabel,type:'PIANO_ROLL',trackId:trackId,target_id:midiItemId,parent_tab_id:activeTab==='main'?null:activeTab,notes:midiItem.notes||[],duration:midiItem.duration||4,viewport_start_bar:0.0,viewport_bar_width:8.0,scroll_y_pitch:60,snap_resolution:snapValue||"1/16",note_selection:[]};setSubTabs(prev=>[...prev,newTab]);setActiveTab(tabId);};const handleUpdateMidiNotes=(tabId,trackId,midiItemId,updatedNotes)=>{setSubTabs(prev=>prev.map(s=>s.id===tabId?{...s,notes:updatedNotes}:s));const isSectionTrack=sessionTabs.some(s=>s.tracks.some(t=>t.id===trackId));if(isSectionTrack){setSessionTabs(prev=>prev.map(s=>{if(!s.tracks.some(t=>t.id===trackId))return s;return{...s,tracks:s.tracks.map(t=>{if(t.id!==trackId)return t;return{...t,midiItems:(t.midiItems||[]).map(m=>{if(m.id!==midiItemId)return m;return{...m,notes:updatedNotes};})};})};}));}else{setTracks(prev=>prev.map(t=>{if(t.id!==trackId)return t;return{...t,midiItems:(t.midiItems||[]).map(m=>{if(m.id!==midiItemId)return m;return{...m,notes:updatedNotes};})};}));}};// ── Double-click/Edit Section: open Main Session in new tab ── +const existing=subTabs.find(s=>s.trackId===trackId&&s.startTime===selLeft&&s.endTime===selRight);if(existing){setActiveTab(existing.id);showToast(`Sub Tab already open.`,'info');return;}const sr=t.buffer.sampleRate;const trackStart=t.startTime||0;const relSelLeft=Math.max(0,selLeft-trackStart);const relSelRight=Math.max(0,selRight-trackStart);const startSample=Math.max(0,Math.floor(relSelLeft*sr));const endSample=Math.min(t.buffer.length,Math.floor(relSelRight*sr));const len=endSample-startSample;if(len<100){showToast('Khoảng chọn quá ngắn.','warning');return;}const ctx=getAudioContext();const numChannels=t.buffer.numberOfChannels||1;const subBuffer=ctx.createBuffer(numChannels,len,sr);for(let c=0;c[...prev,{id:tabId,label:tabLabel,trackId:trackId,startTime:selLeft,endTime:selRight,buffer:subBuffer,channelInfo:subChannelInfo,effects:{reverse:false,gainDb:0,fadeInMs:0,fadeOutMs:0,normalizeDb:0,pitch:0,speedStretch:100},currentTime:0,selectionStart:null,selectionEnd:null,isPlaying:false,speed:1.0,volumeNodes:[],panningNodes:[],fadeInLen:0,fadeOutLen:0,graphMode:null,isLooping:false,loopCount:0}]);setActiveTab(tabId);};const handleEditClipInSubTab=(trackId,clipId)=>{const track=activeTracks.find(t=>t.id===trackId);if(!track)return;const clips=track.clips&&track.clips.length>0?track.clips:track.buffer?[{id:'default_'+track.id,buffer:track.buffer,startTime:track.startTime||0,name:track.name}]:[];const clip=clips.find(c=>c.id===clipId||clipId==='default'&&c.id==='default_'+trackId);if(!clip||!clip.buffer)return;const resolvedClipId=clip.id==='default'?'default_'+trackId:clip.id;const existing=subTabs.find(s=>s.clipId===resolvedClipId&&s.trackId===trackId);if(existing){setActiveTab(existing.id);showToast(`Sub Tab for "${clip.name}" already open.`,'info');return;}const sr=clip.buffer.sampleRate;const len=clip.buffer.length;const numChannels=clip.buffer.numberOfChannels||1;const ctx=getAudioContext();const subBuffer=ctx.createBuffer(numChannels,len,sr);for(let c=0;c[...prev,{id:tabId,label:tabLabel,trackId:trackId,clipId:resolvedClipId,startTime:clip.startTime,endTime:clip.startTime+clip.buffer.duration,buffer:subBuffer,channelInfo:subChannelInfo,effects:{reverse:false,gainDb:0,fadeInMs:0,fadeOutMs:0,normalizeDb:0,pitch:0,speedStretch:100},currentTime:0,selectionStart:null,selectionEnd:null,isPlaying:false,speed:1.0,volumeNodes:[],panningNodes:[],fadeInLen:0,fadeOutLen:0,graphMode:null,isLooping:false,loopCount:0}]);setActiveTab(tabId);};const handleEditMidiInTab=(trackId,midiItemId)=>{const track=activeTracks.find(t=>t.id===trackId);if(!track)return;const midiItem=(track.midiItems||[]).find(m=>m.id===midiItemId);if(!midiItem)return;const existing=subTabs.find(s=>s.type==='PIANO_ROLL'&&s.target_id===midiItemId);if(existing){setActiveTab(existing.id);showToast('Piano Roll cho nốt MIDI đã được mở.','info');return;}const tabId='midi_'+Date.now();const tabLabel=`Piano Roll: ${midiItem.name||'MIDI'}`;const newTab={id:tabId,label:tabLabel,type:'PIANO_ROLL',trackId:trackId,target_id:midiItemId,parent_tab_id:activeTab==='main'?null:activeTab,notes:midiItem.notes||[],duration:midiItem.duration||4,viewport_start_bar:0.0,viewport_bar_width:8.0,scroll_y_pitch:60,snap_resolution:snapValue||"1/16",note_selection:[]};setSubTabs(prev=>[...prev,newTab]);setActiveTab(tabId);};const handleUpdateMidiNotes=(tabId,notes)=>{setSubTabs(prev=>prev.map(s=>s.id===tabId?{...s,notes:notes}:s));};const handleSaveMidiNotes=(tabId,trackId,midiItemId,updatedNotes)=>{const isSectionTrack=sessionTabs.some(s=>s.tracks.some(t=>t.id===trackId));if(isSectionTrack){setSessionTabs(prev=>prev.map(s=>{if(!s.tracks.some(t=>t.id===trackId))return s;return{...s,tracks:s.tracks.map(t=>{if(t.id!==trackId)return t;return{...t,midiItems:(t.midiItems||[]).map(m=>{if(m.id!==midiItemId)return m;return{...m,notes:updatedNotes};})};})};}));}else{setTracks(prev=>prev.map(t=>{if(t.id!==trackId)return t;return{...t,midiItems:(t.midiItems||[]).map(m=>{if(m.id!==midiItemId)return m;return{...m,notes:updatedNotes};})};}));}showToast('Đã lưu các chỉnh sửa nốt MIDI vào item cha!','success');};const handleSaveSectionTab=tabId=>{const tab=sessionTabs.find(s=>s.id===tabId);if(!tab)return;const bpmVal=parseInt(bpm)||120;const secondsPerBeat=60.0/bpmVal;const secondsPerBar=secondsPerBeat*4;const durationSec=(tab.length_bars||16.0)*secondsPerBar;setTracks(prev=>prev.map(t=>{if(!t.sections||t.sections.length===0)return t;return{...t,sections:t.sections.map(s=>{if(s.sectionId!==tab.sectionId)return s;return{...s,name:tab.name,duration:durationSec};})};}));showToast(`Đã lưu nội dung Section "${tab.name}" vào Main Session!`,'success');};// ── Double-click/Edit Section: open Main Session in new tab ── const handleEditSectionInTab=(trackId,sectionId)=>{const track=tracks.find(t=>t.id===trackId);if(!track)return;const section=(track.sections||[]).find(s=>s.id===sectionId);if(!section)return;const existing=sessionTabs.find(s=>s.sectionId===sectionId);if(existing){setActiveTab(existing.id);showToast(`Tab "${section.name}" already open.`,'info');return;}const tabId='session_'+Date.now();const tabName=section.name||'Section';const clonedTracks=tracks.map(t=>({...t,clips:[],sections:[],midiItems:[],markers:[],isArmed:false,monitoringEnabled:true}));setSessionTabs(prev=>[...prev,{id:tabId,name:tabName,sectionId:sectionId,tracks:clonedTracks}]);setActiveTab(tabId);};// ── Sub Tab: apply effects & merge back (LOOP_EDITOR_2.md §1.2) ── const applySubTab=tabId=>{const subTab=subTabs.find(s=>s.id===tabId);if(!subTab||!subTab.buffer)return;const track=activeTracks.find(t=>t.id===subTab.trackId);if(!track||!track.buffer)return;const beforeSnap=captureTrackSnapshot(subTab.trackId);// Clone buffer and apply effects const ctx=getAudioContext();const sr=subTab.buffer.sampleRate;const eff=subTab.buffer.getChannelData(0);let resultBuffer=ctx.createBuffer(1,eff.length,sr);let resultData=resultBuffer.getChannelData(0);resultData.set(eff);// Apply effects inline @@ -291,5 +298,5 @@ const handleSplitTrackAtTime=(trackId,clipId,time)=>{const track=tracks.find(t=> const handleGlueTracks=()=>{const track=tracks.find(t=>t.id===selectedTrackId);if(!track){showToast('Vui lòng chọn một track để thực hiện gộp (glue).','warning');return;}const clips=track.clips&&track.clips.length>0?track.clips:track.buffer?[{id:'default',buffer:track.buffer,startTime:track.startTime||0,name:track.name}]:[];if(clips.length<2){showToast('Cần ít nhất 2 clip trên track này để gộp (glue).','warning');return;}const beforeSnap=captureTrackSnapshot(track.id);const ctx=getAudioContext();const sr=clips[0].buffer.sampleRate;let minStart=Infinity;let maxEnd=-Infinity;clips.forEach(c=>{const start=c.startTime||0;const end=start+c.buffer.duration;minStart=Math.min(minStart,start);maxEnd=Math.max(maxEnd,end);});const newDur=maxEnd-minStart;const newBuffer=ctx.createBuffer(1,Math.ceil(newDur*sr),sr);const newData=newBuffer.getChannelData(0);clips.forEach(c=>{const data=c.buffer.getChannelData(0);const offset=Math.floor(((c.startTime||0)-minStart)*sr);for(let i=0;imaxPeak)maxPeak=abs;}if(maxPeak>1.0){for(let i=0;iprev.map(t=>{if(t.id===track.id){return{...t,clips:[mergedClip],buffer:newBuffer,startTime:minStart,name:mergedClip.name};}return t;}));setTimeout(()=>{const afterSnap=captureTrackSnapshot(track.id);pushAction('GLUE',track.id,beforeSnap,afterSnap);},50);showToast(`Đã gộp ${clips.length} clips thành công.`,'success');};// ── DAW Command Registration for AI (28_AI_PANEL.md §1 & §2) ── useEffect(()=>{if(typeof window.DAWCommandDispatcher==='undefined')return;const api={createTrack:args=>{const name=args.name||`AI_Track_${Date.now()}`;const type=args.type||'audio';const newId=addNewTrack();if(name&&name!==`AI_Track_${Date.now()}`){updateTrackName(newId,name);}return{success:true,trackId:newId,name};},deleteTrack:args=>{const tid=args.track_id||selectedTrackId;if(!tid)return{success:false,error:'No track_id provided'};deleteTrack(tid);return{success:true,trackId:tid};},addClip:args=>{const trackId=args.track_id||selectedTrackId;const barDur=60/parseInt(bpm||120)*4;let startTime;if(args.start_time!==undefined&&args.start_time!==null)startTime=args.start_time;else if(args.start_bar!==undefined&&args.start_bar!==null)startTime=args.start_bar*barDur;else startTime=currentTime;const track=tracks.find(t=>t.id===trackId);if(!track)return{success:false,error:'Track not found'};const ctx=getAudioContext();const sr=44100;let duration;if(args.duration_seconds!==undefined&&args.duration_seconds!==null)duration=args.duration_seconds;else if(args.length_bars!==undefined&&args.length_bars!==null)duration=args.length_bars*barDur;else duration=2;const buffer=ctx.createBuffer(1,Math.floor(sr*duration),sr);const data=buffer.getChannelData(0);for(let i=0;iprev.map(t=>{if(t.id!==trackId)return t;const clips=t.clips&&t.clips.length>0?t.clips:t.buffer?[{id:'default_'+t.id,buffer:t.buffer,startTime:t.startTime||0,name:t.name}]:[];return{...t,clips:[...clips,{id:clipId,buffer,startTime,name:args.name||'AI Clip'}],buffer:clips.length>0?clips[0].buffer:buffer,startTime:clips.length>0?clips[0].startTime:startTime,name:clips.length>0?clips[0].name:args.name||t.name};}));return{success:true,clipId,trackId};},removeClip:args=>{const trackId=args.track_id||selectedTrackId;const clipId=args.clip_id;setTracks(prev=>prev.map(t=>{if(t.id!==trackId)return t;const updatedClips=(t.clips||[]).filter(c=>c.id!==clipId);return{...t,clips:updatedClips,buffer:updatedClips[0]?.buffer||null,startTime:updatedClips[0]?.startTime||0,name:updatedClips[0]?.name||t.name};}));return{success:true};},setTrackVolume:args=>{const trackId=args.track_id||selectedTrackId;const vol=args.volume_db??args.volume??0;updateTrackVolumeDb(trackId,parseFloat(vol));return{success:true,trackId,volumeDb:vol};},setTrackPan:args=>{const trackId=args.track_id||selectedTrackId;const pan=args.pan??0;updateTrackPan(trackId,parseInt(pan));return{success:true,trackId,pan};},toggleMute:args=>{const trackId=args.track_id||selectedTrackId;toggleTrackMute(trackId);const track=tracks.find(t=>t.id===trackId);return{success:true,trackId,muted:track?track.muted:null};},toggleSolo:args=>{const trackId=args.track_id||selectedTrackId;toggleTrackSoloEvaluate(trackId);const track=tracks.find(t=>t.id===trackId);return{success:true,trackId,solo:track?track.solo:null};},processAudioDsp:args=>{const trackId=args.track_id||selectedTrackId;const action=args.action;const params=args.params||{};const track=tracks.find(t=>t.id===trackId);if(!track||!track.buffer)return{success:false,error:'Track has no audio buffer'};if(action==='normalize'){const channelData=track.buffer.getChannelData(0);let maxVal=0;for(let i=0;i0){const gain=1.0/maxVal;for(let i=0;i{const newLen=Math.round(data.length*r);const out=new Float32Array(newLen);for(let i=0;iprev.map(t=>t.id===trackId?{...t,buffer:newBuffer}:t));return{success:true,action:'pitch_shift',semitones};}return{success:false,error:`Unknown action: ${action}`};},renameTrack:args=>{const tid=args.track_id||selectedTrackId;const name=args.name;if(!tid)return{success:false,error:'No track_id provided'};if(!name)return{success:false,error:'No name provided'};updateTrackName(tid,name);return{success:true,trackId:tid,name};},setSelection:args=>{const barDur=60/parseInt(bpm||120)*4;let start,end;if(args.start_time!==undefined&&args.start_time!==null)start=args.start_time;else if(args.start_bar!==undefined&&args.start_bar!==null)start=args.start_bar*barDur;else start=currentTime;if(args.end_time!==undefined&&args.end_time!==null)end=args.end_time;else if(args.length_bars!==undefined&&args.length_bars!==null)end=start+args.length_bars*barDur;else if(args.end_bar!==undefined&&args.end_bar!==null)end=args.end_bar*barDur;else end=start+barDur;clearLocalSelection();setSelectionMode('global');setSelectionStart(start);setSelectionEnd(end);selectionRef.current={start,end};return{success:true,start:parseFloat(start.toFixed(3)),end:parseFloat(end.toFixed(3)),length:parseFloat((end-start).toFixed(3))};},cutAudio:args=>{const currentTracks=window.DAWCommandDispatcher?.currentTracks||tracks;const currentSelTrackId=window.DAWCommandDispatcher?.currentSelectedTrackId||selectedTrackId;const tid=args.track_id||currentSelTrackId;const track=currentTracks.find(t=>t.id===String(tid));if(!track)return{success:false,error:'Track not found'};if(!track.buffer)return{success:false,error:'Track has no audio buffer'};const barDur=60/parseInt(bpm||120)*4;const sel=selectionRef.current;let rawStart,rawEnd;if(args.start_time!==undefined&&args.start_time!==null)rawStart=args.start_time;else if(args.start_bar!==undefined&&args.start_bar!==null)rawStart=args.start_bar*barDur;else if(sel.start!==null)rawStart=sel.start;else rawStart=currentTime;if(args.end_time!==undefined&&args.end_time!==null)rawEnd=args.end_time;else if(args.end_bar!==undefined&&args.end_bar!==null)rawEnd=args.end_bar*barDur;else if(args.length_bars!==undefined&&args.length_bars!==null)rawEnd=rawStart+args.length_bars*barDur;else if(sel.end!==null&&sel.end>rawStart)rawEnd=sel.end;else return{success:false,error:'No end position provided. Provide end_time, end_bar, or length_bars.'};if(rawEnd<=rawStart)return{success:false,error:'End position must be after start position.'};const buffer=track.buffer;const ctx=getAudioContext();const snap=args.snap_silence!==false;const loopStart=snap?findZeroCrossing(buffer,rawStart):rawStart;const loopEnd=snap?findZeroCrossing(buffer,rawEnd):rawEnd;const sampleRate=buffer.sampleRate;const startSample=Math.max(0,Math.min(buffer.length-1,Math.floor(loopStart*sampleRate)));const endSample=Math.max(0,Math.min(buffer.length,Math.floor(loopEnd*sampleRate)));const sliceLength=endSample-startSample;if(sliceLength<=100)return{success:false,error:'Selection too short or invalid'};const numChannels=buffer.numberOfChannels||1;const slicedBuffer=ctx.createBuffer(numChannels,sliceLength,sampleRate);for(let c=0;ct.id===tid);const nextTracks=[...currentTracks];if(idx!==-1){nextTracks.splice(idx+1,0,newTrack);}else{nextTracks.push(newTrack);}if(window.DAWCommandDispatcher){window.DAWCommandDispatcher.currentTracks=nextTracks;window.DAWCommandDispatcher.currentSelectedTrackId=newId;window.DAWCommandDispatcher.lastCutSourceTrackId=tid;window.DAWCommandDispatcher.lastCutNewTrackId=newId;}setTracks(nextTracks);setSelectedTrackId(newId);selectionRef.current={start:0,end:slicedBuffer.duration};clearLocalSelection();setSelectionMode('global');setSelectionStart(0);setSelectionEnd(slicedBuffer.duration);setTimeout(()=>lucide.createIcons(),200);return{success:true,trackId:newId,trackName:cutName,cutStart:parseFloat(loopStart.toFixed(3)),cutEnd:parseFloat(loopEnd.toFixed(3)),duration:parseFloat(slicedBuffer.duration.toFixed(3))};},scanTrack:args=>{const tid=args.track_id||selectedTrackId;const track=tracks.find(t=>t.id===tid);if(!track)return{success:false,error:'Track not found'};if(!track.buffer)return{success:false,error:'Track has no audio buffer. Load audio first.'};const buffer=track.buffer;const data=buffer.getChannelData(0);const sr=buffer.sampleRate;const channels=buffer.numberOfChannels;const duration=buffer.duration;const totalSamples=buffer.length;const windowSize=Math.min(sr*3,data.length);let detectedBPM=0;if(windowSize>sr){let maxCorr=0;for(let lag=Math.floor(sr*0.3);lag<=Math.floor(sr*2.0);lag++){let corr=0;const step=4;for(let i=0;imaxCorr){maxCorr=corr;detectedBPM=60/(lag/sr);}}}detectedBPM=Math.round(Math.min(300,Math.max(30,detectedBPM)));if(args.set_tempo!==false&&detectedBPM>0){setBpm(String(detectedBPM));}const bitDepth=16;const bitrate=Math.round(sr*channels*bitDepth/1000);return{success:true,trackId:tid,trackName:track.name,bpm:detectedBPM,sampleRate:sr,channels,duration:parseFloat(duration.toFixed(3)),totalSamples,bitDepth,bitrateKbps:bitrate,hasAudio:true};},setBpm:args=>{const bpmVal=args.bpm||args.tempo||120;setBpm(String(bpmVal));return{success:true,bpm:bpmVal};},setPlayhead:args=>{const barDur=60/parseInt(bpm||120)*4;let time;if(args.time!==undefined&&args.time!==null)time=args.time;else if(args.bar!==undefined&&args.bar!==null)time=args.bar*barDur;else time=0;handlePlayheadSet(time);return{success:true,time:parseFloat(time.toFixed(3))};},exportAudio:async args=>{const currentTracks=window.DAWCommandDispatcher?.currentTracks||tracks;const currentSelTrackId=window.DAWCommandDispatcher?.currentSelectedTrackId||selectedTrackId;let tid=args.track_id;if(tid&&window.DAWCommandDispatcher?.lastCutSourceTrackId&&(String(tid)===String(window.DAWCommandDispatcher.lastCutSourceTrackId)||'track_'+tid===String(window.DAWCommandDispatcher.lastCutSourceTrackId))){tid=window.DAWCommandDispatcher.lastCutNewTrackId;}if(!tid)tid=currentSelTrackId;const track=tid&¤tTracks.find(t=>t.id===String(tid)||t.id==='track_'+tid);if(!track)return{success:false,error:'No track found'};const clips=track.clips&&track.clips.length>0?track.clips:track.buffer?[{id:'default_'+track.id,buffer:track.buffer,startTime:track.startTime||0,name:track.name}]:[];if(clips.length===0)return{success:false,error:'Track has no audio clips'};const totalDuration=Math.max(...clips.map(c=>(c.startTime||0)+(c.buffer?c.buffer.duration/(c.speed||1.0):0)));const barDur=60/parseInt(bpm||120)*4;const sel=selectionRef.current;let rawStart,rawEnd;if(args.start_time!==undefined)rawStart=args.start_time;else if(args.start_bar!==undefined)rawStart=args.start_bar*barDur;else if(sel.start!==null)rawStart=sel.start;else rawStart=0;if(args.end_time!==undefined)rawEnd=args.end_time;else if(args.length_bars!==undefined)rawEnd=(rawStart||0)+args.length_bars*barDur;else if(args.end_bar!==undefined)rawEnd=args.end_bar*barDur;else if(sel.end!==null&&sel.end>rawStart)rawEnd=sel.end;else rawEnd=totalDuration;if(rawEnd<=rawStart)return{success:false,error:'Export range is empty or invalid.'};const ctx=getAudioContext();const sr=parseInt(args.sample_rate||'44100');const firstBuffer=clips.find(c=>c.buffer)?.buffer;const numCh=args.channels==='mono'?1:firstBuffer?firstBuffer.numberOfChannels:2;const bd=parseInt(args.bit_depth||'16');const fmt=args.format||'wav';const renderLength=rawEnd-rawStart;const offlineCtx=new OfflineAudioContext(numCh,Math.ceil(sr*renderLength),sr);clips.forEach(clip=>{if(!clip.buffer)return;const clipStart=clip.startTime||0;const clipDuration=clip.buffer.duration/(clip.speed||1.0);const clipEnd=clipStart+clipDuration;if(clipEnd<=rawStart||clipStart>=rawEnd)return;const source=offlineCtx.createBufferSource();source.buffer=clip.buffer;source.playbackRate.value=clip.speed||1.0;source.connect(offlineCtx.destination);if(rawStart{for(let i=0;i>8&0xFF);vw.setUint8(ofs+2,v24>>16&0xFF);}ofs+=bps;}}const blob=new Blob([fileBuf],{type:'audio/wav'});const localUrl=URL.createObjectURL(blob);const targetFilename=`export_${Date.now()}.${fmt}`;const triggerDownload=(downloadUrl,finalFilename)=>{if(window.DAWCommandDispatcher?.isExecutingAI){showToast(`Xuất nhạc thành công (${fmt.toUpperCase()})!`,"success","Tải về",()=>{const a=document.createElement('a');a.href=downloadUrl;a.download=finalFilename;a.click();if(downloadUrl.startsWith('blob:')){URL.revokeObjectURL(downloadUrl);}});}else{const a=document.createElement('a');a.href=downloadUrl;a.download=finalFilename;a.click();showToast("Xuất bản âm thanh hoàn tất!","success");if(downloadUrl.startsWith('blob:')){URL.revokeObjectURL(downloadUrl);}}};if((fmt==='mp3'||fmt==='ogg')&&serverStatus==='connected'){try{const file=new File([blob],`export_ai.wav`,{type:'audio/wav'});const formData=new FormData();formData.append('file',file);const uploadResp=await fetch(`${API_AUDIO}/upload`,{method:'POST',body:formData});if(!uploadResp.ok)throw new Error("Upload failed");const uploadData=await uploadResp.json();const uploadId=uploadData.file_id;const exportResp=await fetch(`${API_AUDIO}/export`,{method:'POST',headers:{'Content-Type':'application/json'},body:JSON.stringify({file_id:uploadId,format:fmt,sample_rate:sr,bit_depth:bd})});if(!exportResp.ok)throw new Error("Export failed");const exportData=await exportResp.json();const result=await pollTaskResult(exportData.task_id,20);if(result.success){const downloadUrl=`${API_AUDIO}/download/${result.output_file_id}`;triggerDownload(downloadUrl,targetFilename);}else{throw new Error(result.error||'Server encoding failed');}}catch(transcodeErr){showToast(`Lỗi chuyển đổi: ${transcodeErr.message}. Tải về dạng WAV thay thế.`,"warning");triggerDownload(localUrl,`export_${Date.now()}.wav`);}}else{const finalFilename=fmt==='wav'?`export_${Date.now()}.wav`:`export_${Date.now()}.wav`;if(fmt!=='wav'){showToast("Đang ngoại tuyến. Tải về định dạng WAV thay thế.","warning");}triggerDownload(localUrl,finalFilename);}return{success:true,trackId:tid,range:parseFloat((rawEnd-rawStart).toFixed(3))+'s',format:fmt,channels:numCh===1?'mono':'stereo'};},selectItem:args=>{if(args.select_all){setSelectedTrackId(null);clearLocalSelection();setSelectionMode('global');setSelectionStart(0);const maxDur=tracks.reduce((max,t)=>{const dur=t.buffer?t.buffer.duration:0;const clips=t.clips||[];const clipMax=clips.reduce((m,c)=>Math.max(m,(c.startTime||0)+(c.buffer?c.buffer.duration:0)),0);return Math.max(max,dur,clipMax);},0);setSelectionEnd(Math.max(maxDur,currentTime+10));return{success:true,selection:'all',duration:parseFloat(Math.max(maxDur,currentTime+10).toFixed(3))};}const tid=args.track_id||selectedTrackId;const track=tracks.find(t=>t.id===tid);if(!track)return{success:false,error:`Track ${tid} not found`};const clips=track.clips&&track.clips.length>0?track.clips:track.buffer?[{id:'default_'+track.id,name:track.name,buffer:track.buffer,startTime:track.startTime||0}]:[];if(args.item_name){const match=clips.find(c=>c.name&&c.name.toLowerCase().includes(args.item_name.toLowerCase()));if(!match)return{success:false,error:`No clip matching "${args.item_name}" on track ${track.name}`};setSelectedTrackId(tid);clearLocalSelection();setSelectionMode('global');const start=match.startTime||0;const end=start+(match.buffer?match.buffer.duration:2);setSelectionStart(start);setSelectionEnd(end);return{success:true,trackId:tid,trackName:track.name,clipId:match.id,clipName:match.name,start:parseFloat(start.toFixed(3)),end:parseFloat(end.toFixed(3))};}setSelectedTrackId(tid);clearLocalSelection();setSelectionMode('global');const trackEnd=track.buffer?track.buffer.duration:clips.length>0?Math.max(...clips.map(c=>(c.startTime||0)+(c.buffer?c.buffer.duration:0))):4;setSelectionStart(0);setSelectionEnd(trackEnd);return{success:true,trackId:tid,trackName:track.name,duration:parseFloat(trackEnd.toFixed(3))};},addMarker:args=>{const trackId=args.track_id||selectedTrackId;const time=args.time??currentTime;const track=tracks.find(t=>t.id===trackId);if(!track)return{success:false,error:'Track not found'};setTracks(prev=>prev.map(t=>{if(t.id!==trackId)return t;return{...t,markers:[...(t.markers||[]),{id:'ai_marker_'+Date.now(),time,label:args.label||'AI Marker'}]};}));return{success:true,trackId,time};},fadeIn:args=>{const currentTracks=window.DAWCommandDispatcher?.currentTracks||tracks;const currentSelTrackId=window.DAWCommandDispatcher?.currentSelectedTrackId||selectedTrackId;let trackIdRaw=args.track_id;if(trackIdRaw&&window.DAWCommandDispatcher?.lastCutSourceTrackId&&(String(trackIdRaw)===String(window.DAWCommandDispatcher.lastCutSourceTrackId)||'track_'+trackIdRaw===String(window.DAWCommandDispatcher.lastCutSourceTrackId))){trackIdRaw=window.DAWCommandDispatcher.lastCutNewTrackId;}if(!trackIdRaw)trackIdRaw=currentSelTrackId;const track=currentTracks.find(t=>t.id===String(trackIdRaw)||t.id==='track_'+trackIdRaw);if(!track)return{success:false,error:`Track ${trackIdRaw} not found`};const clips=track.clips&&track.clips.length>0?track.clips:track.buffer?[{id:'default_'+track.id,buffer:track.buffer,startTime:track.startTime||0,name:track.name}]:[];if(clips.length===0)return{success:false,error:'No clips on track'};let clip=null;if(args.clip_id){clip=clips.find(c=>c.id===args.clip_id);}else if(args.clip_index!==undefined){const idx=parseInt(args.clip_index);const 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item cập nhật nốt. + - Bấm **Lưu Section** -> Nhìn ngoài Main Session thấy Section item cập nhật tên/độ dài. +2. **Kiểm tra thao tác chuột**: + - Kiểm tra quét chuột chọn nhiều nốt, kéo di chuyển cả cụm. + - Kiểm tra `Ctrl+Click` vẽ nốt. + - Kiểm tra `Shift+Scroll` thay đổi độ đậm nhạt (velocity) của nốt. + - Kiểm tra thanh Bar Ruler hiển thị `Bar 0, Bar 1...` cuộn mượt mà.