930 lines
35 KiB
TypeScript
930 lines
35 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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} 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 { DragOverlay } from "../ui/drag-overlay";
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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 { ImageTimelineTreatment } from "@/components/ui/image-timeline-treatment";
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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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const { tracks, addTrack, addClipToTrack } = useTimelineStore();
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const { mediaItems, addMediaItem } = useMediaStore();
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const { currentTime, duration, seek } = 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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const handleDragEnter = (e: React.DragEvent) => {
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e.preventDefault();
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// Don't show overlay for timeline clips or other internal drags
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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
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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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e.preventDefault();
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setIsDragOver(false);
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dragCounterRef.current = 0;
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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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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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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) => item.name === processedItem.name && item.url === processedItem.url
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);
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if (addedItem) {
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const trackType = 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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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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}`}
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{...dragProps}
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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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<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">Tracks</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={{ width: `${Math.max(1000, duration * 50 * zoomLevel)}px` }}
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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 = 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 className={`absolute top-1 left-1 text-xs ${isMainMarker
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? 'text-muted-foreground font-medium'
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: 'text-muted-foreground/70'
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}`}>
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{(() => {
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const formatTime = (seconds: number) => {
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const hours = Math.floor(seconds / 3600);
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const minutes = Math.floor((seconds % 3600) / 60);
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const secs = seconds % 60;
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if (hours > 0) {
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return `${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"
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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 className={`w-3 h-3 rounded-full flex-shrink-0 ${track.type === 'video' ? 'bg-blue-500' :
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track.type === 'audio' ? 'bg-green-500' : 'bg-purple-500'
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}`} />
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<span className="text-sm font-medium truncate">{track.name}</span>
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</div>
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</div>
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))}
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</div>
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)}
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</div>
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{/* Timeline Tracks Content */}
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<div className="flex-1 relative">
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<ScrollArea className="h-full w-full">
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<div
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ref={timelineRef}
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className="relative cursor-pointer select-none"
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style={{
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width: `${Math.max(1000, duration * 50 * zoomLevel)}px`,
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minHeight: tracks.length > 0 ? `${tracks.length * 60}px` : '200px'
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}}
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onClick={handleTimelineClick}
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onWheel={handleWheel}
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>
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{tracks.length === 0 ? (
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<div className="absolute inset-0 flex items-center justify-center">
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<div className="text-center">
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<div className="w-16 h-16 rounded-full bg-muted/30 flex items-center justify-center mb-4 mx-auto">
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<SplitSquareHorizontal className="h-8 w-8 text-muted-foreground" />
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</div>
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<p className="text-sm text-muted-foreground">Drop media here to start</p>
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</div>
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</div>
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) : (
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<>
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{tracks.map((track, index) => (
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<div
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key={track.id}
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className="absolute left-0 right-0 border-b border-muted/30"
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style={{
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top: `${index * 60}px`,
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height: '60px'
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}}
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>
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<TimelineTrackContent track={track} zoomLevel={zoomLevel} />
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</div>
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))}
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{/* Playhead for tracks area */}
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<div
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className="absolute top-0 w-0.5 bg-red-500 pointer-events-none z-20"
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style={{
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left: `${currentTime * 50 * zoomLevel}px`,
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height: `${tracks.length * 60}px`
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}}
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/>
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</>
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)}
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</div>
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</ScrollArea>
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</div>
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</div>
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</div>
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</div>
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);
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}
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function TimelineTrackContent({ track, zoomLevel }: { track: TimelineTrack, zoomLevel: number }) {
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const { mediaItems } = useMediaStore();
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const { tracks, moveClipToTrack, updateClipTrim, updateClipStartTime, addClipToTrack } = useTimelineStore();
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const [isDropping, setIsDropping] = useState(false);
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const [dropPosition, setDropPosition] = useState<number | null>(null);
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const [isDraggedOver, setIsDraggedOver] = useState(false);
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const [wouldOverlap, setWouldOverlap] = useState(false);
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const [resizing, setResizing] = useState<{
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clipId: string;
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side: 'left' | 'right';
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startX: number;
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initialTrimStart: number;
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initialTrimEnd: number;
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} | null>(null);
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const dragCounterRef = useRef(0);
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const handleResizeStart = (e: React.MouseEvent, clipId: string, side: 'left' | 'right') => {
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e.stopPropagation();
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e.preventDefault();
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const clip = track.clips.find(c => c.id === clipId);
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if (!clip) return;
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setResizing({
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clipId,
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side,
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startX: e.clientX,
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initialTrimStart: clip.trimStart,
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initialTrimEnd: clip.trimEnd
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});
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};
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const updateTrimFromMouseMove = (e: { clientX: number }) => {
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if (!resizing) return;
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const clip = track.clips.find(c => c.id === resizing.clipId);
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if (!clip) return;
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const deltaX = e.clientX - resizing.startX;
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const deltaTime = deltaX / (50 * zoomLevel);
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if (resizing.side === 'left') {
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const newTrimStart = Math.max(0, Math.min(
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clip.duration - clip.trimEnd - 0.1,
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resizing.initialTrimStart + deltaTime
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));
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updateClipTrim(track.id, clip.id, newTrimStart, clip.trimEnd);
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} else {
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const newTrimEnd = Math.max(0, Math.min(
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clip.duration - clip.trimStart - 0.1,
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resizing.initialTrimEnd - deltaTime
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));
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updateClipTrim(track.id, clip.id, clip.trimStart, newTrimEnd);
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}
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};
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const handleResizeMove = (e: React.MouseEvent) => {
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updateTrimFromMouseMove(e);
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};
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const handleResizeEnd = () => {
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setResizing(null);
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};
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useEffect(() => {
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if (!resizing) return;
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const handleGlobalMouseMove = (e: MouseEvent) => {
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updateTrimFromMouseMove(e);
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};
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const handleGlobalMouseUp = () => {
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setResizing(null);
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};
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document.addEventListener('mousemove', handleGlobalMouseMove);
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document.addEventListener('mouseup', handleGlobalMouseUp);
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return () => {
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document.removeEventListener('mousemove', handleGlobalMouseMove);
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document.removeEventListener('mouseup', handleGlobalMouseUp);
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};
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}, [resizing, track.id, zoomLevel, updateClipTrim]);
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const handleClipDragStart = (e: React.DragEvent, clip: any) => {
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const dragData = { clipId: clip.id, trackId: track.id, name: clip.name };
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|
|
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();
|
|
|
|
// 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) {
|
|
updateClipStartTime(track.id, clipId, snappedTime);
|
|
} else {
|
|
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>
|
|
);
|
|
};
|
|
|
|
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"
|
|
}`}
|
|
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;
|
|
|
|
return (
|
|
<div
|
|
key={clip.id}
|
|
className={`timeline-clip absolute h-full rounded-sm border transition-all duration-200 ${getTrackColor(track.type)} flex items-center py-3 min-w-[80px] overflow-hidden group hover:shadow-lg`}
|
|
style={{ width: `${clipWidth}px`, left: `${clipLeft}px` }}
|
|
>
|
|
<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')}
|
|
/>
|
|
|
|
<div
|
|
className="flex-1 cursor-grab active:cursor-grabbing"
|
|
draggable={true}
|
|
onDragStart={(e) => handleClipDragStart(e, clip)}
|
|
onDragEnd={handleClipDragEnd}
|
|
>
|
|
{renderClipContent(clip)}
|
|
</div>
|
|
|
|
<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>
|
|
);
|
|
}
|