1385 lines
50 KiB
TypeScript
1385 lines
50 KiB
TypeScript
"use client";
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import { ScrollArea } from "../ui/scroll-area";
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import { Button } from "../ui/button";
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import {
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Scissors,
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ArrowLeftToLine,
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ArrowRightToLine,
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Trash2,
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Snowflake,
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Copy,
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SplitSquareHorizontal,
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MoreVertical,
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Volume2,
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VolumeX,
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Pause,
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Play,
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} from "lucide-react";
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import {
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Tooltip,
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TooltipContent,
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TooltipTrigger,
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TooltipProvider,
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} from "../ui/tooltip";
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import { useTimelineStore, type TimelineTrack } from "@/stores/timeline-store";
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import { useMediaStore } from "@/stores/media-store";
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import { usePlaybackStore } from "@/stores/playback-store";
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import { processMediaFiles } from "@/lib/media-processing";
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import { toast } from "sonner";
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import { useState, useRef, useEffect } from "react";
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export function Timeline() {
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// Timeline shows all tracks (video, audio, effects) and their clips.
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// You can drag media here to add it to your project.
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// Clips can be trimmed, deleted, and moved.
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const { tracks, addTrack, addClipToTrack, removeTrack, toggleTrackMute, removeClipFromTrack, moveClipToTrack, getTotalDuration, selectedClip, clearSelectedClip } =
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useTimelineStore();
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const { mediaItems, addMediaItem } = useMediaStore();
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const { currentTime, duration, seek, setDuration, isPlaying, play, pause, toggle } = usePlaybackStore();
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const [isDragOver, setIsDragOver] = useState(false);
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const [isProcessing, setIsProcessing] = useState(false);
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const [zoomLevel, setZoomLevel] = useState(1);
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const dragCounterRef = useRef(0);
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const timelineRef = useRef<HTMLDivElement>(null);
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// Unified context menu state
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const [contextMenu, setContextMenu] = useState<{
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type: 'track' | 'clip';
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trackId: string;
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clipId?: string;
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x: number;
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y: number;
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} | null>(null);
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// Update timeline duration when tracks change
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useEffect(() => {
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const totalDuration = getTotalDuration();
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setDuration(Math.max(totalDuration, 10)); // Minimum 10 seconds for empty timeline
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}, [tracks, setDuration, getTotalDuration]);
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// Close context menu on click elsewhere
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useEffect(() => {
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const handleClick = () => setContextMenu(null);
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if (contextMenu) {
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window.addEventListener("click", handleClick);
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return () => window.removeEventListener("click", handleClick);
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}
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}, [contextMenu]);
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// Keyboard event for deleting selected clip
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useEffect(() => {
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const handleKeyDown = (e: KeyboardEvent) => {
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if ((e.key === "Delete" || e.key === "Backspace") && selectedClip) {
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removeClipFromTrack(selectedClip.trackId, selectedClip.clipId);
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clearSelectedClip();
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}
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};
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window.addEventListener("keydown", handleKeyDown);
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return () => window.removeEventListener("keydown", handleKeyDown);
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}, [selectedClip, removeClipFromTrack, clearSelectedClip]);
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const handleDragEnter = (e: React.DragEvent) => {
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// When something is dragged over the timeline, show overlay
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e.preventDefault();
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// Don't show overlay for timeline clips - they're handled by tracks
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if (e.dataTransfer.types.includes("application/x-timeline-clip")) {
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return;
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}
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dragCounterRef.current += 1;
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if (!isDragOver) {
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setIsDragOver(true);
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}
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};
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const handleDragOver = (e: React.DragEvent) => {
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e.preventDefault();
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};
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const handleDragLeave = (e: React.DragEvent) => {
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e.preventDefault();
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// Don't update state for timeline clips - they're handled by tracks
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if (e.dataTransfer.types.includes("application/x-timeline-clip")) {
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return;
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}
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dragCounterRef.current -= 1;
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if (dragCounterRef.current === 0) {
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setIsDragOver(false);
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}
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};
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const handleDrop = async (e: React.DragEvent) => {
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// When media is dropped, add it as a new track/clip
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e.preventDefault();
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setIsDragOver(false);
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dragCounterRef.current = 0;
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// Ignore timeline clip drags - they're handled by track-specific handlers
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const hasTimelineClip = e.dataTransfer.types.includes("application/x-timeline-clip");
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if (hasTimelineClip) {
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return;
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}
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const mediaItemData = e.dataTransfer.getData("application/x-media-item");
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if (mediaItemData) {
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// Handle media item drops by creating new tracks
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try {
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const { id, type } = JSON.parse(mediaItemData);
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const mediaItem = mediaItems.find((item) => item.id === id);
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if (!mediaItem) {
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toast.error("Media item not found");
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return;
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}
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// Add to video or audio track depending on type
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const trackType = type === "audio" ? "audio" : "video";
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const newTrackId = addTrack(trackType);
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addClipToTrack(newTrackId, {
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mediaId: mediaItem.id,
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name: mediaItem.name,
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duration: mediaItem.duration || 5,
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startTime: 0,
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trimStart: 0,
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trimEnd: 0,
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});
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toast.success(`Added ${mediaItem.name} to new ${trackType} track`);
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} catch (error) {
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// Show error if parsing fails
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console.error("Error parsing media item data:", error);
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toast.error("Failed to add media to timeline");
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}
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} else if (e.dataTransfer.files?.length > 0) {
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// Handle file drops by creating new tracks
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setIsProcessing(true);
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try {
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const processedItems = await processMediaFiles(e.dataTransfer.files);
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for (const processedItem of processedItems) {
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addMediaItem(processedItem);
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const currentMediaItems = useMediaStore.getState().mediaItems;
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const addedItem = currentMediaItems.find(
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(item) =>
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item.name === processedItem.name && item.url === processedItem.url
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);
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if (addedItem) {
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const trackType =
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processedItem.type === "audio" ? "audio" : "video";
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const newTrackId = addTrack(trackType);
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addClipToTrack(newTrackId, {
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mediaId: addedItem.id,
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name: addedItem.name,
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duration: addedItem.duration || 5,
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startTime: 0,
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trimStart: 0,
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trimEnd: 0,
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});
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}
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}
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} catch (error) {
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// Show error if file processing fails
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console.error("Error processing external files:", error);
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toast.error("Failed to process dropped files");
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} finally {
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setIsProcessing(false);
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}
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}
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};
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const handleTimelineClick = (e: React.MouseEvent) => {
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const timeline = timelineRef.current;
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if (!timeline || duration === 0) return;
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const rect = timeline.getBoundingClientRect();
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const x = e.clientX - rect.left;
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const timelineWidth = rect.width;
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const visibleDuration = duration / zoomLevel;
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const clickedTime = (x / timelineWidth) * visibleDuration;
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seek(Math.max(0, Math.min(duration, clickedTime)));
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};
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const handleWheel = (e: React.WheelEvent) => {
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e.preventDefault();
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const delta = e.deltaY > 0 ? -0.05 : 0.05;
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setZoomLevel((prev) => Math.max(0.1, Math.min(10, prev + delta)));
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};
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const dragProps = {
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onDragEnter: handleDragEnter,
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onDragOver: handleDragOver,
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onDragLeave: handleDragLeave,
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onDrop: handleDrop,
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};
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return (
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<div
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className={`h-full flex flex-col transition-colors duration-200 relative ${isDragOver ? "bg-accent/30 border-accent" : ""}`}
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{...dragProps}
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>
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{/* Show overlay when dragging media over the timeline */}
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{isDragOver && (
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<div className="absolute inset-0 z-20 flex items-center justify-center pointer-events-none">
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<div className="bg-accent/80 text-accent-foreground px-8 py-4 rounded-lg shadow-lg text-lg font-semibold border border-accent">
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Drop media here to add to timeline
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</div>
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</div>
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)}
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{/* Toolbar */}
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<div className="border-b flex items-center px-2 py-1 gap-1">
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<TooltipProvider delayDuration={500}>
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{/* Play/Pause Button */}
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<Tooltip>
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<TooltipTrigger asChild>
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<Button
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variant="ghost"
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size="icon"
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onClick={toggle}
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className="mr-2"
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>
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{isPlaying ? <Pause className="h-4 w-4" /> : <Play className="h-4 w-4" />}
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</Button>
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</TooltipTrigger>
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<TooltipContent>{isPlaying ? "Pause (Space)" : "Play (Space)"}</TooltipContent>
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</Tooltip>
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<div className="w-px h-6 bg-border mx-1" />
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{/* Time Display */}
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<div className="text-xs text-muted-foreground font-mono px-2">
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{Math.floor(currentTime * 10) / 10}s / {Math.floor(duration * 10) / 10}s
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</div>
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<div className="w-px h-6 bg-border mx-1" />
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{/* Test Clip Button - for debugging */}
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{tracks.length === 0 && (
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<Tooltip>
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<TooltipTrigger asChild>
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<Button
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variant="outline"
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size="sm"
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onClick={() => {
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const trackId = addTrack("video");
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addClipToTrack(trackId, {
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mediaId: "test",
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name: "Test Clip",
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duration: 5,
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startTime: 0,
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trimStart: 0,
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trimEnd: 0,
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});
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}}
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className="text-xs"
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>
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Add Test Clip
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</Button>
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</TooltipTrigger>
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<TooltipContent>Add a test clip to try playback</TooltipContent>
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</Tooltip>
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)}
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<div className="w-px h-6 bg-border mx-1" />
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<Tooltip>
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<TooltipTrigger asChild>
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<Button variant="ghost" size="icon">
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<Scissors className="h-4 w-4" />
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</Button>
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</TooltipTrigger>
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<TooltipContent>Split clip (S)</TooltipContent>
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</Tooltip>
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<Tooltip>
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<TooltipTrigger asChild>
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<Button variant="ghost" size="icon">
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<ArrowLeftToLine className="h-4 w-4" />
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</Button>
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</TooltipTrigger>
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<TooltipContent>Split and keep left (A)</TooltipContent>
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</Tooltip>
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<Tooltip>
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<TooltipTrigger asChild>
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<Button variant="ghost" size="icon">
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<ArrowRightToLine className="h-4 w-4" />
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</Button>
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</TooltipTrigger>
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<TooltipContent>Split and keep right (D)</TooltipContent>
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</Tooltip>
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<Tooltip>
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<TooltipTrigger asChild>
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<Button variant="ghost" size="icon">
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<SplitSquareHorizontal className="h-4 w-4" />
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</Button>
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</TooltipTrigger>
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<TooltipContent>Separate audio (E)</TooltipContent>
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</Tooltip>
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<Tooltip>
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<TooltipTrigger asChild>
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<Button variant="ghost" size="icon">
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<Copy className="h-4 w-4" />
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</Button>
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</TooltipTrigger>
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<TooltipContent>Duplicate clip (Ctrl+D)</TooltipContent>
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</Tooltip>
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<Tooltip>
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<TooltipTrigger asChild>
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<Button variant="ghost" size="icon">
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<Snowflake className="h-4 w-4" />
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</Button>
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</TooltipTrigger>
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<TooltipContent>Freeze frame (F)</TooltipContent>
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</Tooltip>
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<Tooltip>
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<TooltipTrigger asChild>
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<Button variant="ghost" size="icon">
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<Trash2 className="h-4 w-4" />
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</Button>
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</TooltipTrigger>
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<TooltipContent>Delete clip (Delete)</TooltipContent>
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</Tooltip>
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</TooltipProvider>
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</div>
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{/* Timeline Container */}
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<div className="flex-1 flex flex-col overflow-hidden">
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{/* Timeline Header with Ruler */}
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<div className="flex border-b bg-background sticky top-0 z-10">
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{/* Track Labels Header */}
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<div className="w-48 flex-shrink-0 bg-muted/30 border-r flex items-center justify-between px-3 py-2">
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<span className="text-sm font-medium text-muted-foreground">
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Tracks
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</span>
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<div className="text-xs text-muted-foreground">
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{zoomLevel.toFixed(1)}x
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</div>
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</div>
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{/* Timeline Ruler */}
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<div className="flex-1 relative overflow-hidden">
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<ScrollArea className="w-full">
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<div
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className="relative h-12 bg-muted/30"
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style={{
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width: `${Math.max(1000, duration * 50 * zoomLevel)}px`,
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}}
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>
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{/* Time markers */}
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{(() => {
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// Calculate appropriate time interval based on zoom level
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const getTimeInterval = (zoom: number) => {
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const pixelsPerSecond = 50 * zoom;
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if (pixelsPerSecond >= 200) return 0.1; // Every 0.1s when very zoomed in
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if (pixelsPerSecond >= 100) return 0.5; // Every 0.5s when zoomed in
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if (pixelsPerSecond >= 50) return 1; // Every 1s at normal zoom
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if (pixelsPerSecond >= 25) return 2; // Every 2s when zoomed out
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if (pixelsPerSecond >= 12) return 5; // Every 5s when more zoomed out
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if (pixelsPerSecond >= 6) return 10; // Every 10s when very zoomed out
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return 30; // Every 30s when extremely zoomed out
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};
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const interval = getTimeInterval(zoomLevel);
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const markerCount = Math.ceil(duration / interval) + 1;
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return Array.from({ length: markerCount }, (_, i) => {
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const time = i * interval;
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if (time > duration) return null;
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const isMainMarker =
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time % (interval >= 1 ? Math.max(1, interval) : 1) === 0;
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return (
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<div
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key={i}
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className={`absolute top-0 bottom-0 ${isMainMarker
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? "border-l border-muted-foreground/40"
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: "border-l border-muted-foreground/20"
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}`}
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style={{ left: `${time * 50 * zoomLevel}px` }}
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>
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<span
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className={`absolute top-1 left-1 text-xs ${isMainMarker
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? "text-muted-foreground font-medium"
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: "text-muted-foreground/70"
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}`}
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>
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{(() => {
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const formatTime = (seconds: number) => {
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const hours = Math.floor(seconds / 3600);
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const minutes = Math.floor((seconds % 3600) / 60);
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const secs = seconds % 60;
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if (hours > 0) {
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return `${hours}:${minutes.toString().padStart(2, "0")}:${Math.floor(secs).toString().padStart(2, "0")}`;
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} else if (minutes > 0) {
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return `${minutes}:${Math.floor(secs).toString().padStart(2, "0")}`;
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} else if (interval >= 1) {
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return `${Math.floor(secs)}s`;
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} else {
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return `${secs.toFixed(1)}s`;
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}
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};
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return formatTime(time);
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})()}
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</span>
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</div>
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);
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}).filter(Boolean);
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})()}
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{/* Playhead in ruler */}
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<div
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className="absolute top-0 bottom-0 w-0.5 bg-red-500 pointer-events-none z-10"
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style={{ left: `${currentTime * 50 * zoomLevel}px` }}
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>
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<div className="absolute top-1 left-1/2 transform -translate-x-1/2 w-3 h-3 bg-red-500 rounded-full border-2 border-white shadow-sm" />
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</div>
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</div>
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</ScrollArea>
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</div>
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</div>
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{/* Tracks Area */}
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<div className="flex-1 flex overflow-hidden">
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{/* Track Labels */}
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<div className="w-48 flex-shrink-0 border-r bg-background overflow-y-auto">
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{tracks.length === 0 ? (
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<div className="flex flex-col items-center justify-center h-full py-8 text-center px-4">
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<div className="w-12 h-12 rounded-full bg-muted/30 flex items-center justify-center mb-3">
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<SplitSquareHorizontal className="h-6 w-6 text-muted-foreground" />
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</div>
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<p className="text-sm text-muted-foreground">No tracks</p>
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<p className="text-xs text-muted-foreground/70 mt-1">
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Drop media to create tracks
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</p>
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</div>
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) : (
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<div className="flex flex-col">
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{tracks.map((track) => (
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<div
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key={track.id}
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className="h-[60px] flex items-center px-3 border-b border-muted/30 bg-background group"
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>
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<div className="flex items-center gap-2 flex-1 min-w-0">
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<div
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className={`w-3 h-3 rounded-full flex-shrink-0 ${track.type === "video"
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? "bg-blue-500"
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: track.type === "audio"
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? "bg-green-500"
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: "bg-purple-500"
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}`}
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/>
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<span className="text-sm font-medium truncate">
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{track.name}
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</span>
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{track.muted && (
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<span className="ml-2 text-xs text-red-500 font-semibold">
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Muted
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</span>
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)}
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</div>
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</div>
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))}
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</div>
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)}
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</div>
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{/* Timeline Tracks Content */}
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<div className="flex-1 relative">
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<ScrollArea className="h-full w-full">
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<div
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ref={timelineRef}
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className="relative cursor-pointer select-none"
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style={{
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width: `${Math.max(1000, duration * 50 * zoomLevel)}px`,
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minHeight:
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tracks.length > 0 ? `${tracks.length * 60}px` : "200px",
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}}
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onClick={handleTimelineClick}
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onWheel={handleWheel}
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>
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{tracks.length === 0 ? (
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<div className="absolute inset-0 flex items-center justify-center">
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<div className="text-center">
|
|
<div className="w-16 h-16 rounded-full bg-muted/30 flex items-center justify-center mb-4 mx-auto">
|
|
<SplitSquareHorizontal className="h-8 w-8 text-muted-foreground" />
|
|
</div>
|
|
<p className="text-sm text-muted-foreground">
|
|
Drop media here to start
|
|
</p>
|
|
</div>
|
|
</div>
|
|
) : (
|
|
<>
|
|
{tracks.map((track, index) => (
|
|
<div
|
|
key={track.id}
|
|
className="absolute left-0 right-0 border-b border-muted/30"
|
|
style={{
|
|
top: `${index * 60}px`,
|
|
height: "60px",
|
|
}}
|
|
// Show context menu on right click
|
|
onContextMenu={(e) => {
|
|
e.preventDefault();
|
|
setContextMenu({
|
|
type: 'track',
|
|
trackId: track.id,
|
|
x: e.clientX,
|
|
y: e.clientY,
|
|
});
|
|
}}
|
|
>
|
|
<TimelineTrackContent
|
|
track={track}
|
|
zoomLevel={zoomLevel}
|
|
setContextMenu={setContextMenu}
|
|
/>
|
|
|
|
</div>
|
|
))}
|
|
|
|
{/* Playhead for tracks area */}
|
|
<div
|
|
className="absolute top-0 w-0.5 bg-red-500 pointer-events-none z-20"
|
|
style={{
|
|
left: `${currentTime * 50 * zoomLevel}px`,
|
|
height: `${tracks.length * 60}px`,
|
|
}}
|
|
/>
|
|
</>
|
|
)}
|
|
</div>
|
|
</ScrollArea>
|
|
</div>
|
|
</div>
|
|
</div>
|
|
|
|
{/* Clean Unified Context Menu */}
|
|
{contextMenu && (
|
|
<div
|
|
className="fixed z-50 min-w-[160px] bg-popover border border-border rounded-md shadow-md py-1 text-sm"
|
|
style={{ left: contextMenu.x, top: contextMenu.y }}
|
|
onContextMenu={(e) => e.preventDefault()}
|
|
>
|
|
{contextMenu.type === 'track' ? (
|
|
// Track context menu
|
|
<>
|
|
<button
|
|
className="flex items-center w-full px-3 py-2 hover:bg-accent hover:text-accent-foreground transition-colors text-left"
|
|
onClick={() => {
|
|
const track = tracks.find(t => t.id === contextMenu.trackId);
|
|
if (track) toggleTrackMute(track.id);
|
|
setContextMenu(null);
|
|
}}
|
|
>
|
|
{(() => {
|
|
const track = tracks.find(t => t.id === contextMenu.trackId);
|
|
return track?.muted ? (
|
|
<>
|
|
<Volume2 className="h-4 w-4 mr-2" />
|
|
Unmute Track
|
|
</>
|
|
) : (
|
|
<>
|
|
<VolumeX className="h-4 w-4 mr-2" />
|
|
Mute Track
|
|
</>
|
|
);
|
|
})()}
|
|
</button>
|
|
<div className="h-px bg-border mx-1 my-1" />
|
|
<button
|
|
className="flex items-center w-full px-3 py-2 text-destructive hover:bg-destructive/10 transition-colors text-left"
|
|
onClick={() => {
|
|
removeTrack(contextMenu.trackId);
|
|
setContextMenu(null);
|
|
toast.success("Track deleted");
|
|
}}
|
|
>
|
|
<Trash2 className="h-4 w-4 mr-2" />
|
|
Delete Track
|
|
</button>
|
|
</>
|
|
) : (
|
|
// Clip context menu
|
|
<>
|
|
<button
|
|
className="flex items-center w-full px-3 py-2 hover:bg-accent hover:text-accent-foreground transition-colors text-left"
|
|
onClick={() => {
|
|
if (contextMenu.clipId) {
|
|
const track = tracks.find(t => t.id === contextMenu.trackId);
|
|
const clip = track?.clips.find(c => c.id === contextMenu.clipId);
|
|
if (clip && track) {
|
|
const splitTime = currentTime;
|
|
const effectiveStart = clip.startTime;
|
|
const effectiveEnd = clip.startTime + (clip.duration - clip.trimStart - clip.trimEnd);
|
|
|
|
if (splitTime > effectiveStart && splitTime < effectiveEnd) {
|
|
useTimelineStore.getState().updateClipTrim(
|
|
track.id,
|
|
clip.id,
|
|
clip.trimStart,
|
|
clip.trimEnd + (effectiveEnd - splitTime)
|
|
);
|
|
useTimelineStore.getState().addClipToTrack(track.id, {
|
|
mediaId: clip.mediaId,
|
|
name: clip.name + " (split)",
|
|
duration: clip.duration,
|
|
startTime: splitTime,
|
|
trimStart: clip.trimStart + (splitTime - effectiveStart),
|
|
trimEnd: clip.trimEnd,
|
|
});
|
|
toast.success("Clip split successfully");
|
|
} else {
|
|
toast.error("Playhead must be within clip to split");
|
|
}
|
|
}
|
|
}
|
|
setContextMenu(null);
|
|
}}
|
|
>
|
|
<Scissors className="h-4 w-4 mr-2" />
|
|
Split at Playhead
|
|
</button>
|
|
<button
|
|
className="flex items-center w-full px-3 py-2 hover:bg-accent hover:text-accent-foreground transition-colors text-left"
|
|
onClick={() => {
|
|
if (contextMenu.clipId) {
|
|
const track = tracks.find(t => t.id === contextMenu.trackId);
|
|
const clip = track?.clips.find(c => c.id === contextMenu.clipId);
|
|
if (clip && track) {
|
|
useTimelineStore.getState().addClipToTrack(track.id, {
|
|
mediaId: clip.mediaId,
|
|
name: clip.name + " (copy)",
|
|
duration: clip.duration,
|
|
startTime: clip.startTime + (clip.duration - clip.trimStart - clip.trimEnd) + 0.1,
|
|
trimStart: clip.trimStart,
|
|
trimEnd: clip.trimEnd,
|
|
});
|
|
toast.success("Clip duplicated");
|
|
}
|
|
}
|
|
setContextMenu(null);
|
|
}}
|
|
>
|
|
<Copy className="h-4 w-4 mr-2" />
|
|
Duplicate Clip
|
|
</button>
|
|
<div className="h-px bg-border mx-1 my-1" />
|
|
<button
|
|
className="flex items-center w-full px-3 py-2 text-destructive hover:bg-destructive/10 transition-colors text-left"
|
|
onClick={() => {
|
|
if (contextMenu.clipId) {
|
|
removeClipFromTrack(contextMenu.trackId, contextMenu.clipId);
|
|
toast.success("Clip deleted");
|
|
}
|
|
setContextMenu(null);
|
|
}}
|
|
>
|
|
<Trash2 className="h-4 w-4 mr-2" />
|
|
Delete Clip
|
|
</button>
|
|
</>
|
|
)}
|
|
</div>
|
|
)}
|
|
</div>
|
|
);
|
|
}
|
|
|
|
function TimelineTrackContent({
|
|
track,
|
|
zoomLevel,
|
|
setContextMenu,
|
|
}: {
|
|
track: TimelineTrack;
|
|
zoomLevel: number;
|
|
setContextMenu: (menu: { type: 'track' | 'clip'; trackId: string; clipId?: string; x: number; y: number; } | null) => void;
|
|
}) {
|
|
const { mediaItems } = useMediaStore();
|
|
const {
|
|
tracks,
|
|
moveClipToTrack,
|
|
updateClipTrim,
|
|
updateClipStartTime,
|
|
addClipToTrack,
|
|
removeClipFromTrack,
|
|
toggleTrackMute,
|
|
selectedClip,
|
|
selectClip,
|
|
} = useTimelineStore();
|
|
const { currentTime } = usePlaybackStore();
|
|
const [isDropping, setIsDropping] = useState(false);
|
|
const [dropPosition, setDropPosition] = useState<number | null>(null);
|
|
const [isDraggedOver, setIsDraggedOver] = useState(false);
|
|
const [wouldOverlap, setWouldOverlap] = useState(false);
|
|
const [resizing, setResizing] = useState<{
|
|
clipId: string;
|
|
side: "left" | "right";
|
|
startX: number;
|
|
initialTrimStart: number;
|
|
initialTrimEnd: number;
|
|
} | null>(null);
|
|
const dragCounterRef = useRef(0);
|
|
const [clipMenuOpen, setClipMenuOpen] = useState<string | null>(null);
|
|
|
|
// Handle clip deletion
|
|
const handleDeleteClip = (clipId: string) => {
|
|
removeClipFromTrack(track.id, clipId);
|
|
};
|
|
|
|
const handleResizeStart = (
|
|
e: React.MouseEvent,
|
|
clipId: string,
|
|
side: "left" | "right"
|
|
) => {
|
|
e.stopPropagation();
|
|
e.preventDefault();
|
|
|
|
const clip = track.clips.find((c) => c.id === clipId);
|
|
if (!clip) return;
|
|
|
|
setResizing({
|
|
clipId,
|
|
side,
|
|
startX: e.clientX,
|
|
initialTrimStart: clip.trimStart,
|
|
initialTrimEnd: clip.trimEnd,
|
|
});
|
|
};
|
|
|
|
const updateTrimFromMouseMove = (e: { clientX: number }) => {
|
|
if (!resizing) return;
|
|
|
|
const clip = track.clips.find((c) => c.id === resizing.clipId);
|
|
if (!clip) return;
|
|
|
|
const deltaX = e.clientX - resizing.startX;
|
|
const deltaTime = deltaX / (50 * zoomLevel);
|
|
|
|
if (resizing.side === "left") {
|
|
const newTrimStart = Math.max(
|
|
0,
|
|
Math.min(
|
|
clip.duration - clip.trimEnd - 0.1,
|
|
resizing.initialTrimStart + deltaTime
|
|
)
|
|
);
|
|
updateClipTrim(track.id, clip.id, newTrimStart, clip.trimEnd);
|
|
} else {
|
|
const newTrimEnd = Math.max(
|
|
0,
|
|
Math.min(
|
|
clip.duration - clip.trimStart - 0.1,
|
|
resizing.initialTrimEnd - deltaTime
|
|
)
|
|
);
|
|
updateClipTrim(track.id, clip.id, clip.trimStart, newTrimEnd);
|
|
}
|
|
};
|
|
|
|
const handleResizeMove = (e: React.MouseEvent) => {
|
|
updateTrimFromMouseMove(e);
|
|
};
|
|
|
|
const handleResizeEnd = () => {
|
|
setResizing(null);
|
|
};
|
|
|
|
const handleClipDragStart = (e: React.DragEvent, clip: any) => {
|
|
const dragData = { clipId: clip.id, trackId: track.id, name: clip.name };
|
|
|
|
e.dataTransfer.setData(
|
|
"application/x-timeline-clip",
|
|
JSON.stringify(dragData)
|
|
);
|
|
e.dataTransfer.effectAllowed = "move";
|
|
|
|
// Add visual feedback to the dragged element
|
|
const target = e.currentTarget.parentElement as HTMLElement;
|
|
target.style.opacity = "0.5";
|
|
target.style.transform = "scale(0.95)";
|
|
};
|
|
|
|
const handleClipDragEnd = (e: React.DragEvent) => {
|
|
// Reset visual feedback
|
|
const target = e.currentTarget.parentElement as HTMLElement;
|
|
target.style.opacity = "";
|
|
target.style.transform = "";
|
|
};
|
|
|
|
const handleTrackDragOver = (e: React.DragEvent) => {
|
|
e.preventDefault();
|
|
|
|
// Handle both timeline clips and media items
|
|
const hasTimelineClip = e.dataTransfer.types.includes(
|
|
"application/x-timeline-clip"
|
|
);
|
|
const hasMediaItem = e.dataTransfer.types.includes(
|
|
"application/x-media-item"
|
|
);
|
|
|
|
if (!hasTimelineClip && !hasMediaItem) return;
|
|
|
|
if (hasMediaItem) {
|
|
try {
|
|
const mediaItemData = e.dataTransfer.getData(
|
|
"application/x-media-item"
|
|
);
|
|
if (mediaItemData) {
|
|
const { type } = JSON.parse(mediaItemData);
|
|
const isCompatible =
|
|
(track.type === "video" &&
|
|
(type === "video" || type === "image")) ||
|
|
(track.type === "audio" && type === "audio");
|
|
|
|
if (!isCompatible) {
|
|
e.dataTransfer.dropEffect = "none";
|
|
return;
|
|
}
|
|
}
|
|
} catch (error) { }
|
|
}
|
|
|
|
// Calculate drop position for overlap checking
|
|
const trackContainer = e.currentTarget.querySelector(
|
|
".track-clips-container"
|
|
) as HTMLElement;
|
|
let dropTime = 0;
|
|
if (trackContainer) {
|
|
const rect = trackContainer.getBoundingClientRect();
|
|
const mouseX = Math.max(0, e.clientX - rect.left);
|
|
dropTime = mouseX / (50 * zoomLevel);
|
|
}
|
|
|
|
// Check for potential overlaps and show appropriate feedback
|
|
let wouldOverlap = false;
|
|
|
|
if (hasMediaItem) {
|
|
try {
|
|
const mediaItemData = e.dataTransfer.getData(
|
|
"application/x-media-item"
|
|
);
|
|
if (mediaItemData) {
|
|
const { id } = JSON.parse(mediaItemData);
|
|
const mediaItem = mediaItems.find((item) => item.id === id);
|
|
if (mediaItem) {
|
|
const newClipDuration = mediaItem.duration || 5;
|
|
const snappedTime = Math.round(dropTime * 10) / 10;
|
|
const newClipEnd = snappedTime + newClipDuration;
|
|
|
|
wouldOverlap = track.clips.some((existingClip) => {
|
|
const existingStart = existingClip.startTime;
|
|
const existingEnd =
|
|
existingClip.startTime +
|
|
(existingClip.duration -
|
|
existingClip.trimStart -
|
|
existingClip.trimEnd);
|
|
return snappedTime < existingEnd && newClipEnd > existingStart;
|
|
});
|
|
}
|
|
}
|
|
} catch (error) {
|
|
// Continue with default behavior
|
|
}
|
|
} else if (hasTimelineClip) {
|
|
try {
|
|
const timelineClipData = e.dataTransfer.getData(
|
|
"application/x-timeline-clip"
|
|
);
|
|
if (timelineClipData) {
|
|
const { clipId, trackId: fromTrackId } = JSON.parse(timelineClipData);
|
|
const sourceTrack = tracks.find(
|
|
(t: TimelineTrack) => t.id === fromTrackId
|
|
);
|
|
const movingClip = sourceTrack?.clips.find(
|
|
(c: any) => c.id === clipId
|
|
);
|
|
|
|
if (movingClip) {
|
|
const movingClipDuration =
|
|
movingClip.duration - movingClip.trimStart - movingClip.trimEnd;
|
|
const snappedTime = Math.round(dropTime * 10) / 10;
|
|
const movingClipEnd = snappedTime + movingClipDuration;
|
|
|
|
wouldOverlap = track.clips.some((existingClip) => {
|
|
if (fromTrackId === track.id && existingClip.id === clipId)
|
|
return false;
|
|
|
|
const existingStart = existingClip.startTime;
|
|
const existingEnd =
|
|
existingClip.startTime +
|
|
(existingClip.duration -
|
|
existingClip.trimStart -
|
|
existingClip.trimEnd);
|
|
return snappedTime < existingEnd && movingClipEnd > existingStart;
|
|
});
|
|
}
|
|
}
|
|
} catch (error) {
|
|
// Continue with default behavior
|
|
}
|
|
}
|
|
|
|
if (wouldOverlap) {
|
|
e.dataTransfer.dropEffect = "none";
|
|
setIsDraggedOver(true);
|
|
setWouldOverlap(true);
|
|
setDropPosition(Math.round(dropTime * 10) / 10);
|
|
return;
|
|
}
|
|
|
|
e.dataTransfer.dropEffect = hasTimelineClip ? "move" : "copy";
|
|
setIsDraggedOver(true);
|
|
setWouldOverlap(false);
|
|
setDropPosition(Math.round(dropTime * 10) / 10);
|
|
};
|
|
|
|
const handleTrackDragEnter = (e: React.DragEvent) => {
|
|
e.preventDefault();
|
|
|
|
const hasTimelineClip = e.dataTransfer.types.includes(
|
|
"application/x-timeline-clip"
|
|
);
|
|
const hasMediaItem = e.dataTransfer.types.includes(
|
|
"application/x-media-item"
|
|
);
|
|
|
|
if (!hasTimelineClip && !hasMediaItem) return;
|
|
|
|
dragCounterRef.current++;
|
|
setIsDropping(true);
|
|
setIsDraggedOver(true);
|
|
};
|
|
|
|
const handleTrackDragLeave = (e: React.DragEvent) => {
|
|
e.preventDefault();
|
|
|
|
const hasTimelineClip = e.dataTransfer.types.includes(
|
|
"application/x-timeline-clip"
|
|
);
|
|
const hasMediaItem = e.dataTransfer.types.includes(
|
|
"application/x-media-item"
|
|
);
|
|
|
|
if (!hasTimelineClip && !hasMediaItem) return;
|
|
|
|
dragCounterRef.current--;
|
|
|
|
if (dragCounterRef.current === 0) {
|
|
setIsDropping(false);
|
|
setIsDraggedOver(false);
|
|
setWouldOverlap(false);
|
|
setDropPosition(null);
|
|
}
|
|
};
|
|
|
|
const handleTrackDrop = (e: React.DragEvent) => {
|
|
e.preventDefault();
|
|
e.stopPropagation();
|
|
|
|
// Reset all drag states
|
|
dragCounterRef.current = 0;
|
|
setIsDropping(false);
|
|
setIsDraggedOver(false);
|
|
setWouldOverlap(false);
|
|
const currentDropPosition = dropPosition;
|
|
setDropPosition(null);
|
|
|
|
const hasTimelineClip = e.dataTransfer.types.includes(
|
|
"application/x-timeline-clip"
|
|
);
|
|
const hasMediaItem = e.dataTransfer.types.includes(
|
|
"application/x-media-item"
|
|
);
|
|
|
|
if (!hasTimelineClip && !hasMediaItem) return;
|
|
|
|
const trackContainer = e.currentTarget.querySelector(
|
|
".track-clips-container"
|
|
) as HTMLElement;
|
|
if (!trackContainer) return;
|
|
|
|
const rect = trackContainer.getBoundingClientRect();
|
|
const mouseX = Math.max(0, e.clientX - rect.left);
|
|
const newStartTime = mouseX / (50 * zoomLevel);
|
|
const snappedTime = Math.round(newStartTime * 10) / 10;
|
|
|
|
try {
|
|
if (hasTimelineClip) {
|
|
// Handle timeline clip movement
|
|
const timelineClipData = e.dataTransfer.getData(
|
|
"application/x-timeline-clip"
|
|
);
|
|
if (!timelineClipData) return;
|
|
|
|
const { clipId, trackId: fromTrackId } = JSON.parse(timelineClipData);
|
|
|
|
// Find the clip being moved
|
|
const sourceTrack = tracks.find(
|
|
(t: TimelineTrack) => t.id === fromTrackId
|
|
);
|
|
const movingClip = sourceTrack?.clips.find((c: any) => c.id === clipId);
|
|
|
|
if (!movingClip) {
|
|
toast.error("Clip not found");
|
|
return;
|
|
}
|
|
|
|
// Check for overlaps with existing clips (excluding the moving clip itself)
|
|
const movingClipDuration =
|
|
movingClip.duration - movingClip.trimStart - movingClip.trimEnd;
|
|
const movingClipEnd = snappedTime + movingClipDuration;
|
|
|
|
const hasOverlap = track.clips.some((existingClip) => {
|
|
// Skip the clip being moved if it's on the same track
|
|
if (fromTrackId === track.id && existingClip.id === clipId)
|
|
return false;
|
|
|
|
const existingStart = existingClip.startTime;
|
|
const existingEnd =
|
|
existingClip.startTime +
|
|
(existingClip.duration -
|
|
existingClip.trimStart -
|
|
existingClip.trimEnd);
|
|
|
|
// Check if clips overlap
|
|
return snappedTime < existingEnd && movingClipEnd > existingStart;
|
|
});
|
|
|
|
if (hasOverlap) {
|
|
toast.error(
|
|
"Cannot move clip here - it would overlap with existing clips"
|
|
);
|
|
return;
|
|
}
|
|
|
|
if (fromTrackId === track.id) {
|
|
// Moving within same track
|
|
updateClipStartTime(track.id, clipId, snappedTime);
|
|
} else {
|
|
// Moving to different track
|
|
moveClipToTrack(fromTrackId, track.id, clipId);
|
|
requestAnimationFrame(() => {
|
|
updateClipStartTime(track.id, clipId, snappedTime);
|
|
});
|
|
}
|
|
} else if (hasMediaItem) {
|
|
// Handle media item drop
|
|
const mediaItemData = e.dataTransfer.getData(
|
|
"application/x-media-item"
|
|
);
|
|
if (!mediaItemData) return;
|
|
|
|
const { id, type } = JSON.parse(mediaItemData);
|
|
const mediaItem = mediaItems.find((item) => item.id === id);
|
|
|
|
if (!mediaItem) {
|
|
toast.error("Media item not found");
|
|
return;
|
|
}
|
|
|
|
// Check if track type is compatible
|
|
const isCompatible =
|
|
(track.type === "video" && (type === "video" || type === "image")) ||
|
|
(track.type === "audio" && type === "audio");
|
|
|
|
if (!isCompatible) {
|
|
toast.error(`Cannot add ${type} to ${track.type} track`);
|
|
return;
|
|
}
|
|
|
|
// Check for overlaps with existing clips
|
|
const newClipDuration = mediaItem.duration || 5;
|
|
const newClipEnd = snappedTime + newClipDuration;
|
|
|
|
const hasOverlap = track.clips.some((existingClip) => {
|
|
const existingStart = existingClip.startTime;
|
|
const existingEnd =
|
|
existingClip.startTime +
|
|
(existingClip.duration -
|
|
existingClip.trimStart -
|
|
existingClip.trimEnd);
|
|
|
|
// Check if clips overlap
|
|
return snappedTime < existingEnd && newClipEnd > existingStart;
|
|
});
|
|
|
|
if (hasOverlap) {
|
|
toast.error(
|
|
"Cannot place clip here - it would overlap with existing clips"
|
|
);
|
|
return;
|
|
}
|
|
|
|
addClipToTrack(track.id, {
|
|
mediaId: mediaItem.id,
|
|
name: mediaItem.name,
|
|
duration: mediaItem.duration || 5,
|
|
startTime: snappedTime,
|
|
trimStart: 0,
|
|
trimEnd: 0,
|
|
});
|
|
|
|
toast.success(`Added ${mediaItem.name} to ${track.name}`);
|
|
}
|
|
} catch (error) {
|
|
console.error("Error handling drop:", error);
|
|
toast.error("Failed to add media to track");
|
|
}
|
|
};
|
|
|
|
const getTrackColor = (type: string) => {
|
|
switch (type) {
|
|
case "video":
|
|
return "bg-blue-500/20 border-blue-500/30";
|
|
case "audio":
|
|
return "bg-green-500/20 border-green-500/30";
|
|
case "effects":
|
|
return "bg-purple-500/20 border-purple-500/30";
|
|
default:
|
|
return "bg-gray-500/20 border-gray-500/30";
|
|
}
|
|
};
|
|
|
|
const renderClipContent = (clip: any) => {
|
|
const mediaItem = mediaItems.find((item) => item.id === clip.mediaId);
|
|
|
|
if (!mediaItem) {
|
|
return (
|
|
<span className="text-xs text-foreground/80 truncate">{clip.name}</span>
|
|
);
|
|
}
|
|
|
|
if (mediaItem.type === "image") {
|
|
return (
|
|
<div className="w-full h-full flex items-center justify-center">
|
|
<img
|
|
src={mediaItem.url}
|
|
alt={mediaItem.name}
|
|
className="w-full h-full object-cover"
|
|
/>
|
|
</div>
|
|
);
|
|
}
|
|
|
|
if (mediaItem.type === "video" && mediaItem.thumbnailUrl) {
|
|
return (
|
|
<div className="w-full h-full flex items-center gap-2">
|
|
<div className="w-8 h-8 flex-shrink-0">
|
|
<img
|
|
src={mediaItem.thumbnailUrl}
|
|
alt={mediaItem.name}
|
|
className="w-full h-full object-cover rounded-sm"
|
|
/>
|
|
</div>
|
|
<span className="text-xs text-foreground/80 truncate flex-1">
|
|
{clip.name}
|
|
</span>
|
|
</div>
|
|
);
|
|
}
|
|
|
|
// Fallback for audio or videos without thumbnails
|
|
return (
|
|
<span className="text-xs text-foreground/80 truncate">{clip.name}</span>
|
|
);
|
|
};
|
|
|
|
const handleSplitClip = (clip: any) => {
|
|
// Use current playback time as split point
|
|
const splitTime = currentTime;
|
|
// Only split if splitTime is within the clip's effective range
|
|
const effectiveStart = clip.startTime;
|
|
const effectiveEnd =
|
|
clip.startTime + (clip.duration - clip.trimStart - clip.trimEnd);
|
|
if (splitTime <= effectiveStart || splitTime >= effectiveEnd) return;
|
|
const firstDuration = splitTime - effectiveStart;
|
|
const secondDuration = effectiveEnd - splitTime;
|
|
// First part: adjust original clip
|
|
updateClipTrim(
|
|
track.id,
|
|
clip.id,
|
|
clip.trimStart,
|
|
clip.trimEnd + secondDuration
|
|
);
|
|
// Second part: add new clip after split
|
|
addClipToTrack(track.id, {
|
|
mediaId: clip.mediaId,
|
|
name: clip.name + " (cut)",
|
|
duration: clip.duration,
|
|
startTime: splitTime,
|
|
trimStart: clip.trimStart + firstDuration,
|
|
trimEnd: clip.trimEnd,
|
|
});
|
|
};
|
|
|
|
return (
|
|
<div
|
|
className={`w-full h-full transition-all duration-150 ease-out ${isDraggedOver
|
|
? wouldOverlap
|
|
? "bg-red-500/15 border-2 border-dashed border-red-400 shadow-lg"
|
|
: "bg-blue-500/15 border-2 border-dashed border-blue-400 shadow-lg"
|
|
: "hover:bg-muted/20"
|
|
}`}
|
|
onContextMenu={(e) => {
|
|
e.preventDefault();
|
|
// Only show track menu if we didn't click on a clip
|
|
if (!(e.target as HTMLElement).closest(".timeline-clip")) {
|
|
setContextMenu({
|
|
type: 'track',
|
|
trackId: track.id,
|
|
x: e.clientX,
|
|
y: e.clientY,
|
|
});
|
|
}
|
|
}}
|
|
onDragOver={handleTrackDragOver}
|
|
onDragEnter={handleTrackDragEnter}
|
|
onDragLeave={handleTrackDragLeave}
|
|
onDrop={handleTrackDrop}
|
|
onMouseMove={handleResizeMove}
|
|
onMouseUp={handleResizeEnd}
|
|
onMouseLeave={handleResizeEnd}
|
|
>
|
|
<div className="h-full relative track-clips-container min-w-full">
|
|
{track.clips.length === 0 ? (
|
|
<div
|
|
className={`h-full w-full rounded-sm border-2 border-dashed flex items-center justify-center text-xs text-muted-foreground transition-colors ${isDropping
|
|
? wouldOverlap
|
|
? "border-red-500 bg-red-500/10 text-red-600"
|
|
: "border-blue-500 bg-blue-500/10 text-blue-600"
|
|
: "border-muted/30"
|
|
}`}
|
|
>
|
|
{isDropping
|
|
? wouldOverlap
|
|
? "Cannot drop - would overlap"
|
|
: "Drop clip here"
|
|
: "Drop media here"}
|
|
</div>
|
|
) : (
|
|
<>
|
|
{track.clips.map((clip) => {
|
|
const effectiveDuration =
|
|
clip.duration - clip.trimStart - clip.trimEnd;
|
|
const clipWidth = Math.max(
|
|
80,
|
|
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;
|
|
|
|
return (
|
|
<div
|
|
key={clip.id}
|
|
className={`timeline-clip absolute h-full rounded-sm border transition-all duration-200 ${getTrackColor(track.type)} flex items-center py-3 min-w-[80px] overflow-hidden group hover:shadow-lg ${isSelected ? "ring-2 ring-blue-500 z-10" : ""}`}
|
|
style={{ width: `${clipWidth}px`, left: `${clipLeft}px` }}
|
|
onClick={(e) => {
|
|
e.stopPropagation();
|
|
selectClip(track.id, clip.id);
|
|
}}
|
|
tabIndex={0}
|
|
onContextMenu={(e) => {
|
|
e.preventDefault();
|
|
e.stopPropagation();
|
|
setContextMenu({
|
|
type: 'clip',
|
|
trackId: track.id,
|
|
clipId: clip.id,
|
|
x: e.clientX,
|
|
y: e.clientY,
|
|
});
|
|
}}
|
|
>
|
|
{/* Left trim handle */}
|
|
<div
|
|
className="absolute left-0 top-0 bottom-0 w-2 cursor-w-resize opacity-0 group-hover:opacity-100 transition-opacity bg-blue-500/50 hover:bg-blue-500"
|
|
onMouseDown={(e) => handleResizeStart(e, clip.id, "left")}
|
|
/>
|
|
{/* Clip content */}
|
|
<div
|
|
className="flex-1 cursor-grab active:cursor-grabbing relative"
|
|
draggable={true}
|
|
onDragStart={(e) => handleClipDragStart(e, clip)}
|
|
onDragEnd={handleClipDragEnd}
|
|
>
|
|
{renderClipContent(clip)}
|
|
{/* Clip options menu */}
|
|
<div className="absolute top-1 right-1 z-10">
|
|
<Button
|
|
variant="ghost"
|
|
size="icon"
|
|
className="opacity-0 group-hover:opacity-100 transition-opacity"
|
|
onClick={() => setClipMenuOpen(clip.id)}
|
|
>
|
|
<MoreVertical className="h-4 w-4" />
|
|
</Button>
|
|
{clipMenuOpen === clip.id && (
|
|
<div className="absolute right-0 mt-2 w-32 bg-white border rounded shadow z-50">
|
|
<button
|
|
className="flex items-center w-full px-3 py-2 text-sm hover:bg-muted/30"
|
|
onClick={() => {
|
|
handleSplitClip(clip);
|
|
setClipMenuOpen(null);
|
|
}}
|
|
>
|
|
<Scissors className="h-4 w-4 mr-2" /> Split
|
|
</button>
|
|
<button
|
|
className="flex items-center w-full px-3 py-2 text-sm text-red-600 hover:bg-red-50"
|
|
onClick={() => handleDeleteClip(clip.id)}
|
|
>
|
|
<Trash2 className="h-4 w-4 mr-2" /> Delete
|
|
</button>
|
|
</div>
|
|
)}
|
|
</div>
|
|
</div>
|
|
{/* Right trim handle */}
|
|
<div
|
|
className="absolute right-0 top-0 bottom-0 w-2 cursor-e-resize opacity-0 group-hover:opacity-100 transition-opacity bg-blue-500/50 hover:bg-blue-500"
|
|
onMouseDown={(e) => handleResizeStart(e, clip.id, "right")}
|
|
/>
|
|
</div>
|
|
);
|
|
})}
|
|
|
|
{/* Drop position indicator */}
|
|
{isDraggedOver && dropPosition !== null && (
|
|
<div
|
|
className={`absolute top-0 bottom-0 w-1 pointer-events-none z-30 transition-all duration-75 ease-out ${wouldOverlap ? "bg-red-500" : "bg-blue-500"
|
|
}`}
|
|
style={{
|
|
left: `${dropPosition * 50 * zoomLevel}px`,
|
|
transform: "translateX(-50%)",
|
|
}}
|
|
>
|
|
<div
|
|
className={`absolute -top-2 left-1/2 transform -translate-x-1/2 w-3 h-3 rounded-full border-2 border-white shadow-md ${wouldOverlap ? "bg-red-500" : "bg-blue-500"}`}
|
|
/>
|
|
<div
|
|
className={`absolute -bottom-2 left-1/2 transform -translate-x-1/2 w-3 h-3 rounded-full border-2 border-white shadow-md ${wouldOverlap ? "bg-red-500" : "bg-blue-500"}`}
|
|
/>
|
|
<div
|
|
className={`absolute top-1/2 left-1/2 transform -translate-x-1/2 -translate-y-1/2 text-xs text-white px-1 py-0.5 rounded whitespace-nowrap ${wouldOverlap ? "bg-red-500" : "bg-blue-500"}`}
|
|
>
|
|
{wouldOverlap ? "⚠️" : ""}
|
|
{dropPosition.toFixed(1)}s
|
|
</div>
|
|
</div>
|
|
)}
|
|
</>
|
|
)}
|
|
</div>
|
|
</div>
|
|
);
|
|
} |