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enabled-multiclip-selection

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This commit is contained in:
aashishparuvada
2025-06-23 20:51:36 +05:30
parent c8f92a76e3
commit 630250c23b
2 changed files with 168 additions and 33 deletions
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165
apps/web/src/components/editor/timeline.tsx
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@ -33,7 +33,7 @@ export function Timeline() {
// Timeline shows all tracks (video, audio, effects) and their clips.
// You can drag media here to add it to your project.
// Clips can be trimmed, deleted, and moved.
const { tracks, addTrack, addClipToTrack, removeTrack, toggleTrackMute, removeClipFromTrack, moveClipToTrack, getTotalDuration, selectedClip, clearSelectedClip } =
const { tracks, addTrack, addClipToTrack, removeTrack, toggleTrackMute, removeClipFromTrack, moveClipToTrack, getTotalDuration, selectedClips, selectClip, deselectClip, clearSelectedClips } =
useTimelineStore();
const { mediaItems, addMediaItem } = useMediaStore();
const { currentTime, duration, seek, setDuration, isPlaying, play, pause, toggle } = usePlaybackStore();
@ -52,6 +52,16 @@ export function Timeline() {
y: number;
} | null>(null);
// Marquee selection state
const [marquee, setMarquee] = useState<{
startX: number;
startY: number;
endX: number;
endY: number;
active: boolean;
additive: boolean;
} | null>(null);
// Update timeline duration when tracks change
useEffect(() => {
const totalDuration = getTotalDuration();
@ -67,17 +77,99 @@ export function Timeline() {
}
}, [contextMenu]);
// Keyboard event for deleting selected clip
// Keyboard event for deleting selected clips
useEffect(() => {
const handleKeyDown = (e: KeyboardEvent) => {
if ((e.key === "Delete" || e.key === "Backspace") && selectedClip) {
removeClipFromTrack(selectedClip.trackId, selectedClip.clipId);
clearSelectedClip();
if ((e.key === "Delete" || e.key === "Backspace") && selectedClips.length > 0) {
selectedClips.forEach(({ trackId, clipId }) => {
removeClipFromTrack(trackId, clipId);
});
clearSelectedClips();
}
};
window.addEventListener("keydown", handleKeyDown);
return () => window.removeEventListener("keydown", handleKeyDown);
}, [selectedClip, removeClipFromTrack, clearSelectedClip]);
}, [selectedClips, removeClipFromTrack, clearSelectedClips]);
// Mouse down on timeline background to start marquee
const handleTimelineMouseDown = (e: React.MouseEvent) => {
if (e.target === e.currentTarget && e.button === 0) {
setMarquee({
startX: e.clientX,
startY: e.clientY,
endX: e.clientX,
endY: e.clientY,
active: true,
additive: e.metaKey || e.ctrlKey || e.shiftKey,
});
}
};
// Mouse move to update marquee
useEffect(() => {
if (!marquee || !marquee.active) return;
const handleMouseMove = (e: MouseEvent) => {
setMarquee((prev) => prev && { ...prev, endX: e.clientX, endY: e.clientY });
};
const handleMouseUp = (e: MouseEvent) => {
setMarquee((prev) => prev && { ...prev, endX: e.clientX, endY: e.clientY, active: false });
};
window.addEventListener("mousemove", handleMouseMove);
window.addEventListener("mouseup", handleMouseUp);
return () => {
window.removeEventListener("mousemove", handleMouseMove);
window.removeEventListener("mouseup", handleMouseUp);
};
}, [marquee]);
// On marquee end, select clips in box
useEffect(() => {
if (!marquee || marquee.active) return;
// Calculate selection box in timeline coordinates
const timeline = timelineRef.current;
if (!timeline) return;
const rect = timeline.getBoundingClientRect();
const x1 = Math.min(marquee.startX, marquee.endX) - rect.left;
const x2 = Math.max(marquee.startX, marquee.endX) - rect.left;
const y1 = Math.min(marquee.startY, marquee.endY) - rect.top;
const y2 = Math.max(marquee.startY, marquee.endY) - rect.top;
// Find all clips that intersect the box
let newSelection: { trackId: string; clipId: string }[] = [];
tracks.forEach((track, trackIdx) => {
track.clips.forEach((clip) => {
const effectiveDuration = clip.duration - clip.trimStart - clip.trimEnd;
const clipWidth = Math.max(80, effectiveDuration * 50 * zoomLevel);
const clipLeft = clip.startTime * 50 * zoomLevel;
const clipTop = trackIdx * 60;
const clipBottom = clipTop + 60;
const clipRight = clipLeft + clipWidth;
// Check intersection
if (
x1 < clipRight &&
x2 > clipLeft &&
y1 < clipBottom &&
y2 > clipTop
) {
newSelection.push({ trackId: track.id, clipId: clip.id });
}
});
});
if (newSelection.length > 0) {
if (marquee.additive) {
// Add to current selection
const current = new Set(selectedClips.map((c) => c.trackId + ":" + c.clipId));
newSelection = [
...selectedClips,
...newSelection.filter((c) => !current.has(c.trackId + ":" + c.clipId)),
];
}
clearSelectedClips();
newSelection.forEach((c) => selectClip(c.trackId, c.clipId, true));
} else if (!marquee.additive) {
clearSelectedClips();
}
setMarquee(null);
}, [marquee, tracks, zoomLevel, selectedClips, selectClip, clearSelectedClips]);
const handleDragEnter = (e: React.DragEvent) => {
// When something is dragged over the timeline, show overlay
@ -185,17 +277,12 @@ export function Timeline() {
}
};
const handleTimelineClick = (e: React.MouseEvent) => {
const timeline = timelineRef.current;
if (!timeline || duration === 0) return;
const rect = timeline.getBoundingClientRect();
const x = e.clientX - rect.left;
const timelineWidth = rect.width;
const visibleDuration = duration / zoomLevel;
const clickedTime = (x / timelineWidth) * visibleDuration;
seek(Math.max(0, Math.min(duration, clickedTime)));
// Deselect all clips when clicking empty timeline area
const handleTimelineAreaClick = (e: React.MouseEvent) => {
// Only clear selection if the click target is the timeline background (not a child/clip)
if (e.target === e.currentTarget) {
clearSelectedClips();
}
};
const handleWheel = (e: React.WheelEvent) => {
@ -500,9 +587,33 @@ export function Timeline() {
minHeight:
tracks.length > 0 ? `${tracks.length * 60}px` : "200px",
}}
onClick={handleTimelineClick}
onClick={handleTimelineAreaClick}
onMouseDown={handleTimelineMouseDown}
onWheel={handleWheel}
>
{/* Overlay for deselect/marquee */}
<div
className="absolute inset-0 z-0"
style={{ pointerEvents: 'auto', background: 'transparent' }}
onClick={handleTimelineAreaClick}
onMouseDown={handleTimelineMouseDown}
/>
{/* Marquee selection rectangle */}
{marquee && marquee.active && timelineRef.current && (
<div
style={{
position: "absolute",
left: Math.min(marquee.startX, marquee.endX) - timelineRef.current.getBoundingClientRect().left,
top: Math.min(marquee.startY, marquee.endY) - timelineRef.current.getBoundingClientRect().top,
width: Math.abs(marquee.endX - marquee.startX),
height: Math.abs(marquee.endY - marquee.startY),
background: "rgba(59, 130, 246, 0.15)",
border: "2px solid #3b82f6",
zIndex: 50,
pointerEvents: "none",
}}
/>
)}
{tracks.length === 0 ? (
<div className="absolute inset-0 flex items-center justify-center">
<div className="text-center">
@ -711,8 +822,9 @@ function TimelineTrackContent({
addClipToTrack,
removeClipFromTrack,
toggleTrackMute,
selectedClip,
selectedClips,
selectClip,
deselectClip,
} = useTimelineStore();
const { currentTime } = usePlaybackStore();
const [isDropping, setIsDropping] = useState(false);
@ -1274,10 +1386,9 @@ function TimelineTrackContent({
effectiveDuration * 50 * zoomLevel
);
const clipLeft = clip.startTime * 50 * zoomLevel;
// Correctly declare isSelected inside the map
const isSelected = selectedClip && selectedClip.trackId === track.id && selectedClip.clipId === clip.id;
const isSelected = selectedClips.some(
(c) => c.trackId === track.id && c.clipId === clip.id
);
return (
<div
key={clip.id}
@ -1285,7 +1396,13 @@ function TimelineTrackContent({
style={{ width: `${clipWidth}px`, left: `${clipLeft}px` }}
onClick={(e) => {
e.stopPropagation();
selectClip(track.id, clip.id);
if (e.metaKey || e.ctrlKey || e.shiftKey) {
selectClip(track.id, clip.id, true);
} else if (isSelected) {
deselectClip(track.id, clip.id);
} else {
selectClip(track.id, clip.id, false);
}
}}
tabIndex={0}
onContextMenu={(e) => {