1134 lines
38 KiB
TypeScript
1134 lines
38 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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Pause,
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Play,
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Video,
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Music,
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TypeIcon,
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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 {
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ContextMenu,
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ContextMenuContent,
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ContextMenuItem,
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ContextMenuTrigger,
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} from "../ui/context-menu";
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import { useTimelineStore } 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 { useProjectStore } from "@/stores/project-store";
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import { useTimelineZoom } from "@/hooks/use-timeline-zoom";
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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, useCallback } from "react";
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import {
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Select,
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SelectContent,
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SelectItem,
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SelectTrigger,
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SelectValue,
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} from "../ui/select";
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import { TimelineTrackContent } from "./timeline-track";
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import type { DragData, TimelineTrack } from "@/types/timeline";
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import {
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getTrackHeight,
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getCumulativeHeightBefore,
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getTotalTracksHeight,
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TIMELINE_CONSTANTS,
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} from "@/lib/timeline-constants";
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export function Timeline() {
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// Timeline shows all tracks (video, audio, effects) and their elements.
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// You can drag media here to add it to your project.
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// elements can be trimmed, deleted, and moved.
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const {
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tracks,
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addTrack,
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addElementToTrack,
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removeElementFromTrack,
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getTotalDuration,
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selectedElements,
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clearSelectedElements,
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setSelectedElements,
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splitElement,
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splitAndKeepLeft,
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splitAndKeepRight,
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separateAudio,
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undo,
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redo,
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} = useTimelineStore();
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const { mediaItems, addMediaItem } = useMediaStore();
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const { activeProject } = useProjectStore();
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const {
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currentTime,
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duration,
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seek,
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setDuration,
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isPlaying,
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toggle,
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setSpeed,
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speed,
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} = usePlaybackStore();
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const [isDragOver, setIsDragOver] = useState(false);
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const [isProcessing, setIsProcessing] = useState(false);
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const [progress, setProgress] = useState(0);
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const dragCounterRef = useRef(0);
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const timelineRef = useRef<HTMLDivElement>(null);
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const rulerRef = useRef<HTMLDivElement>(null);
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const [isInTimeline, setIsInTimeline] = useState(false);
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// Timeline zoom functionality
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const { zoomLevel, setZoomLevel, handleWheel } = useTimelineZoom({
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containerRef: timelineRef,
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isInTimeline,
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});
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// Marquee selection state
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const [marquee, setMarquee] = useState<{
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startX: number;
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startY: number;
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endX: number;
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endY: number;
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active: boolean;
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additive: boolean;
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} | null>(null);
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// Playhead scrubbing state
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const [isScrubbing, setIsScrubbing] = useState(false);
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const [scrubTime, setScrubTime] = useState<number | null>(null);
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// Add new state for ruler drag detection
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const [isDraggingRuler, setIsDraggingRuler] = useState(false);
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const [hasDraggedRuler, setHasDraggedRuler] = useState(false);
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// Dynamic timeline width calculation based on playhead position and duration
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const dynamicTimelineWidth = Math.max(
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(duration || 0) * TIMELINE_CONSTANTS.PIXELS_PER_SECOND * zoomLevel, // Base width from duration
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(currentTime + 30) * TIMELINE_CONSTANTS.PIXELS_PER_SECOND * zoomLevel, // Width to show current time + 30 seconds buffer
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timelineRef.current?.clientWidth || 1000 // Minimum width
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);
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// Scroll synchronization and auto-scroll to playhead
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const rulerScrollRef = useRef<HTMLDivElement>(null);
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const tracksScrollRef = useRef<HTMLDivElement>(null);
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const isUpdatingRef = useRef(false);
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const lastRulerSync = useRef(0);
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const lastTracksSync = useRef(0);
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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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// Keyboard event for deleting selected elements
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useEffect(() => {
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const handleKeyDown = (e: KeyboardEvent) => {
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// Don't trigger when typing in input fields or textareas
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if (
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e.target instanceof HTMLInputElement ||
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e.target instanceof HTMLTextAreaElement
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) {
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return;
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}
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// Only trigger when timeline is focused or mouse is over timeline
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if (
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!isInTimeline &&
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!timelineRef.current?.contains(document.activeElement)
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) {
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return;
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}
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if (
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(e.key === "Delete" || e.key === "Backspace") &&
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selectedElements.length > 0
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) {
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selectedElements.forEach(({ trackId, elementId }) => {
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removeElementFromTrack(trackId, elementId);
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});
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clearSelectedElements();
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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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}, [
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selectedElements,
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removeElementFromTrack,
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clearSelectedElements,
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isInTimeline,
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]);
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// Keyboard event for undo (Cmd+Z)
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useEffect(() => {
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const handleKeyDown = (e: KeyboardEvent) => {
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if ((e.metaKey || e.ctrlKey) && e.key === "z" && !e.shiftKey) {
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e.preventDefault();
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undo();
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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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}, [undo]);
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// Keyboard event for redo (Cmd+Shift+Z or Cmd+Y)
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useEffect(() => {
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const handleKeyDown = (e: KeyboardEvent) => {
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if ((e.metaKey || e.ctrlKey) && e.key === "z" && e.shiftKey) {
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e.preventDefault();
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redo();
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} else if ((e.metaKey || e.ctrlKey) && e.key === "y") {
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e.preventDefault();
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redo();
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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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}, [redo]);
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// Mouse down on timeline background to start marquee
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const handleTimelineMouseDown = (e: React.MouseEvent) => {
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if (e.target === e.currentTarget && e.button === 0) {
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setMarquee({
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startX: e.clientX,
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startY: e.clientY,
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endX: e.clientX,
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endY: e.clientY,
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active: true,
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additive: e.metaKey || e.ctrlKey || e.shiftKey,
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});
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}
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};
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// Add new click handler for deselection
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const handleTimelineClick = (e: React.MouseEvent) => {
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// If clicking empty area (not on an element) and not starting marquee, deselect all elements
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if (!(e.target as HTMLElement).closest(".timeline-element")) {
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clearSelectedElements();
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}
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};
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// Mouse move to update marquee
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useEffect(() => {
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if (!marquee || !marquee.active) return;
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const handleMouseMove = (e: MouseEvent) => {
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setMarquee(
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(prev) => prev && { ...prev, endX: e.clientX, endY: e.clientY }
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);
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};
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const handleMouseUp = (e: MouseEvent) => {
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setMarquee(
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(prev) =>
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prev && { ...prev, endX: e.clientX, endY: e.clientY, active: false }
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);
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};
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window.addEventListener("mousemove", handleMouseMove);
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window.addEventListener("mouseup", handleMouseUp);
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return () => {
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window.removeEventListener("mousemove", handleMouseMove);
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window.removeEventListener("mouseup", handleMouseUp);
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};
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}, [marquee]);
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// On marquee end, select elements in box
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useEffect(() => {
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if (!marquee || marquee.active) return;
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const timeline = timelineRef.current;
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if (!timeline) return;
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const rect = timeline.getBoundingClientRect();
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const x1 = Math.min(marquee.startX, marquee.endX) - rect.left;
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const x2 = Math.max(marquee.startX, marquee.endX) - rect.left;
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const y1 = Math.min(marquee.startY, marquee.endY) - rect.top;
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const y2 = Math.max(marquee.startY, marquee.endY) - rect.top;
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// Validation: skip if too small
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if (Math.abs(x2 - x1) < 5 || Math.abs(y2 - y1) < 5) {
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setMarquee(null);
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return;
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}
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// Clamp to timeline bounds
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const clamp = (val: number, min: number, max: number) =>
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Math.max(min, Math.min(max, val));
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const bx1 = clamp(x1, 0, rect.width);
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const bx2 = clamp(x2, 0, rect.width);
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const by1 = clamp(y1, 0, rect.height);
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const by2 = clamp(y2, 0, rect.height);
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let newSelection: { trackId: string; elementId: string }[] = [];
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tracks.forEach((track, trackIdx) => {
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track.elements.forEach((element) => {
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const clipLeft =
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element.startTime * TIMELINE_CONSTANTS.PIXELS_PER_SECOND * zoomLevel;
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const clipTop = getCumulativeHeightBefore(tracks, trackIdx);
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const clipBottom = clipTop + getTrackHeight(track.type);
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const clipRight = clipLeft + getTrackHeight(track.type);
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if (
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bx1 < clipRight &&
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bx2 > clipLeft &&
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by1 < clipBottom &&
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by2 > clipTop
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) {
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newSelection.push({ trackId: track.id, elementId: element.id });
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}
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});
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});
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if (newSelection.length > 0) {
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if (marquee.additive) {
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const selectedSet = new Set(
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selectedElements.map((c) => c.trackId + ":" + c.elementId)
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);
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newSelection = [
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...selectedElements,
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...newSelection.filter(
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(c) => !selectedSet.has(c.trackId + ":" + c.elementId)
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),
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];
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}
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setSelectedElements(newSelection);
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} else if (!marquee.additive) {
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clearSelectedElements();
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}
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setMarquee(null);
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}, [
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marquee,
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tracks,
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zoomLevel,
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selectedElements,
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setSelectedElements,
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clearSelectedElements,
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]);
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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 elements - they're handled by tracks
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if (e.dataTransfer.types.includes("application/x-timeline-element")) {
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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 elements - they're handled by tracks
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if (e.dataTransfer.types.includes("application/x-timeline-element")) {
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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/element
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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 element drags - they're handled by track-specific handlers
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const hasTimelineElement = e.dataTransfer.types.includes(
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"application/x-timeline-element"
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);
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if (hasTimelineElement) {
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return;
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}
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const itemData = e.dataTransfer.getData("application/x-media-item");
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if (itemData) {
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try {
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const dragData: DragData = JSON.parse(itemData);
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if (dragData.type === "text") {
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// Always create new text track to avoid overlaps
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const newTrackId = addTrack("text");
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addElementToTrack(newTrackId, {
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type: "text",
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name: dragData.name || "Text",
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content: dragData.content || "Default Text",
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duration: TIMELINE_CONSTANTS.DEFAULT_TEXT_DURATION,
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startTime: 0,
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trimStart: 0,
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trimEnd: 0,
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fontSize: 48,
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fontFamily: "Arial",
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color: "#ffffff",
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backgroundColor: "transparent",
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textAlign: "center",
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fontWeight: "normal",
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fontStyle: "normal",
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textDecoration: "none",
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x: 0,
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y: 0,
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rotation: 0,
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opacity: 1,
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});
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} else {
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// Handle media items
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const mediaItem = mediaItems.find((item) => item.id === dragData.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 = dragData.type === "audio" ? "audio" : "media";
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let targetTrack = tracks.find((t) => t.type === trackType);
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const newTrackId = targetTrack ? targetTrack.id : addTrack(trackType);
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addElementToTrack(newTrackId, {
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type: "media",
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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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}
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} catch (error) {
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console.error("Error parsing dropped item data:", error);
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toast.error("Failed to add item 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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if (!activeProject) {
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toast.error("No active project");
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return;
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}
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setIsProcessing(true);
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setProgress(0);
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try {
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const processedItems = await processMediaFiles(
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e.dataTransfer.files,
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(p) => setProgress(p)
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);
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for (const processedItem of processedItems) {
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await addMediaItem(activeProject.id, 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" : "media";
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const newTrackId = addTrack(trackType);
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addElementToTrack(newTrackId, {
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type: "media",
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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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setProgress(0);
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}
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}
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};
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// --- Playhead Scrubbing Handlers ---
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const handlePlayheadMouseDown = useCallback(
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(e: React.MouseEvent) => {
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e.preventDefault();
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e.stopPropagation(); // Prevent ruler drag from triggering
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setIsScrubbing(true);
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handleScrub(e);
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},
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[duration, zoomLevel]
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);
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// Add new ruler mouse down handler
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const handleRulerMouseDown = useCallback(
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(e: React.MouseEvent) => {
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// Only handle left mouse button
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if (e.button !== 0) return;
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// Don't interfere if clicking on the playhead itself
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if ((e.target as HTMLElement).closest(".playhead")) return;
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e.preventDefault();
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setIsDraggingRuler(true);
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setHasDraggedRuler(false);
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// Start scrubbing immediately
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setIsScrubbing(true);
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handleScrub(e);
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},
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[duration, zoomLevel]
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);
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const handleScrub = useCallback(
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(e: MouseEvent | React.MouseEvent) => {
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const ruler = rulerRef.current;
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if (!ruler) return;
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const rect = ruler.getBoundingClientRect();
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const x = e.clientX - rect.left;
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const time = Math.max(0, Math.min(duration, x / (50 * zoomLevel)));
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setScrubTime(time);
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seek(time); // update video preview in real time
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},
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[duration, zoomLevel, seek]
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);
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useEffect(() => {
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if (!isScrubbing) return;
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const onMouseMove = (e: MouseEvent) => {
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handleScrub(e);
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// Mark that we've dragged if ruler drag is active
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if (isDraggingRuler) {
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setHasDraggedRuler(true);
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}
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};
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const onMouseUp = (e: MouseEvent) => {
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setIsScrubbing(false);
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if (scrubTime !== null) seek(scrubTime); // finalize seek
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setScrubTime(null);
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// Handle ruler click vs drag
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if (isDraggingRuler) {
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setIsDraggingRuler(false);
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// If we didn't drag, treat it as a click-to-seek
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if (!hasDraggedRuler) {
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handleScrub(e);
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}
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setHasDraggedRuler(false);
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}
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};
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window.addEventListener("mousemove", onMouseMove);
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window.addEventListener("mouseup", onMouseUp);
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return () => {
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window.removeEventListener("mousemove", onMouseMove);
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window.removeEventListener("mouseup", onMouseUp);
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};
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}, [
|
|
isScrubbing,
|
|
scrubTime,
|
|
seek,
|
|
handleScrub,
|
|
isDraggingRuler,
|
|
hasDraggedRuler,
|
|
]);
|
|
|
|
const playheadPosition =
|
|
isScrubbing && scrubTime !== null ? scrubTime : currentTime;
|
|
|
|
const dragProps = {
|
|
onDragEnter: handleDragEnter,
|
|
onDragOver: handleDragOver,
|
|
onDragLeave: handleDragLeave,
|
|
onDrop: handleDrop,
|
|
};
|
|
|
|
// Action handlers for toolbar
|
|
const handleSplitSelected = () => {
|
|
if (selectedElements.length === 0) {
|
|
toast.error("No elements selected");
|
|
return;
|
|
}
|
|
let splitCount = 0;
|
|
selectedElements.forEach(({ trackId, elementId }) => {
|
|
const track = tracks.find((t) => t.id === trackId);
|
|
const element = track?.elements.find((c) => c.id === elementId);
|
|
if (element && track) {
|
|
const effectiveStart = element.startTime;
|
|
const effectiveEnd =
|
|
element.startTime +
|
|
(element.duration - element.trimStart - element.trimEnd);
|
|
|
|
if (currentTime > effectiveStart && currentTime < effectiveEnd) {
|
|
const newElementId = splitElement(trackId, elementId, currentTime);
|
|
if (newElementId) splitCount++;
|
|
}
|
|
}
|
|
});
|
|
if (splitCount === 0) {
|
|
toast.error("Playhead must be within selected elements to split");
|
|
}
|
|
};
|
|
|
|
const handleDuplicateSelected = () => {
|
|
if (selectedElements.length === 0) {
|
|
toast.error("No elements selected");
|
|
return;
|
|
}
|
|
const canDuplicate = selectedElements.length === 1;
|
|
if (!canDuplicate) return;
|
|
|
|
const newSelections: { trackId: string; elementId: string }[] = [];
|
|
|
|
selectedElements.forEach(({ trackId, elementId }) => {
|
|
const track = tracks.find((t) => t.id === trackId);
|
|
const element = track?.elements.find((el) => el.id === elementId);
|
|
|
|
if (element) {
|
|
const newStartTime =
|
|
element.startTime +
|
|
(element.duration - element.trimStart - element.trimEnd) +
|
|
0.1;
|
|
|
|
// Create element without id (will be generated by store)
|
|
const { id, ...elementWithoutId } = element;
|
|
|
|
addElementToTrack(trackId, {
|
|
...elementWithoutId,
|
|
startTime: newStartTime,
|
|
});
|
|
|
|
// We can't predict the new id, so just clear selection for now
|
|
// TODO: addElementToTrack could return the new element id
|
|
}
|
|
});
|
|
|
|
clearSelectedElements();
|
|
};
|
|
|
|
const handleFreezeSelected = () => {
|
|
toast.info("Freeze frame functionality coming soon!");
|
|
};
|
|
|
|
const handleSplitAndKeepLeft = () => {
|
|
if (selectedElements.length !== 1) {
|
|
toast.error("Select exactly one element");
|
|
return;
|
|
}
|
|
const { trackId, elementId } = selectedElements[0];
|
|
const track = tracks.find((t) => t.id === trackId);
|
|
const element = track?.elements.find((c) => c.id === elementId);
|
|
if (!element) return;
|
|
const effectiveStart = element.startTime;
|
|
const effectiveEnd =
|
|
element.startTime +
|
|
(element.duration - element.trimStart - element.trimEnd);
|
|
if (currentTime <= effectiveStart || currentTime >= effectiveEnd) {
|
|
toast.error("Playhead must be within selected element");
|
|
return;
|
|
}
|
|
splitAndKeepLeft(trackId, elementId, currentTime);
|
|
};
|
|
|
|
const handleSplitAndKeepRight = () => {
|
|
if (selectedElements.length !== 1) {
|
|
toast.error("Select exactly one element");
|
|
return;
|
|
}
|
|
const { trackId, elementId } = selectedElements[0];
|
|
const track = tracks.find((t) => t.id === trackId);
|
|
const element = track?.elements.find((c) => c.id === elementId);
|
|
if (!element) return;
|
|
const effectiveStart = element.startTime;
|
|
const effectiveEnd =
|
|
element.startTime +
|
|
(element.duration - element.trimStart - element.trimEnd);
|
|
if (currentTime <= effectiveStart || currentTime >= effectiveEnd) {
|
|
toast.error("Playhead must be within selected element");
|
|
return;
|
|
}
|
|
splitAndKeepRight(trackId, elementId, currentTime);
|
|
};
|
|
|
|
const handleSeparateAudio = () => {
|
|
if (selectedElements.length !== 1) {
|
|
toast.error("Select exactly one media element to separate audio");
|
|
return;
|
|
}
|
|
const { trackId, elementId } = selectedElements[0];
|
|
const track = tracks.find((t) => t.id === trackId);
|
|
if (!track || track.type !== "media") {
|
|
toast.error("Select a media element to separate audio");
|
|
return;
|
|
}
|
|
separateAudio(trackId, elementId);
|
|
};
|
|
|
|
const handleDeleteSelected = () => {
|
|
if (selectedElements.length === 0) {
|
|
toast.error("No elements selected");
|
|
return;
|
|
}
|
|
selectedElements.forEach(({ trackId, elementId }) => {
|
|
removeElementFromTrack(trackId, elementId);
|
|
});
|
|
clearSelectedElements();
|
|
};
|
|
|
|
// --- Scroll synchronization effect ---
|
|
useEffect(() => {
|
|
const rulerViewport = rulerScrollRef.current?.querySelector(
|
|
"[data-radix-scroll-area-viewport]"
|
|
) as HTMLElement;
|
|
const tracksViewport = tracksScrollRef.current?.querySelector(
|
|
"[data-radix-scroll-area-viewport]"
|
|
) as HTMLElement;
|
|
if (!rulerViewport || !tracksViewport) return;
|
|
const handleRulerScroll = () => {
|
|
const now = Date.now();
|
|
if (isUpdatingRef.current || now - lastRulerSync.current < 16) return;
|
|
lastRulerSync.current = now;
|
|
isUpdatingRef.current = true;
|
|
tracksViewport.scrollLeft = rulerViewport.scrollLeft;
|
|
isUpdatingRef.current = false;
|
|
};
|
|
const handleTracksScroll = () => {
|
|
const now = Date.now();
|
|
if (isUpdatingRef.current || now - lastTracksSync.current < 16) return;
|
|
lastTracksSync.current = now;
|
|
isUpdatingRef.current = true;
|
|
rulerViewport.scrollLeft = tracksViewport.scrollLeft;
|
|
isUpdatingRef.current = false;
|
|
};
|
|
rulerViewport.addEventListener("scroll", handleRulerScroll);
|
|
tracksViewport.addEventListener("scroll", handleTracksScroll);
|
|
return () => {
|
|
rulerViewport.removeEventListener("scroll", handleRulerScroll);
|
|
tracksViewport.removeEventListener("scroll", handleTracksScroll);
|
|
};
|
|
}, []);
|
|
|
|
// --- Playhead auto-scroll effect ---
|
|
useEffect(() => {
|
|
const rulerViewport = rulerScrollRef.current?.querySelector(
|
|
"[data-radix-scroll-area-viewport]"
|
|
) as HTMLElement;
|
|
const tracksViewport = tracksScrollRef.current?.querySelector(
|
|
"[data-radix-scroll-area-viewport]"
|
|
) as HTMLElement;
|
|
if (!rulerViewport || !tracksViewport) return;
|
|
const playheadPx =
|
|
playheadPosition * TIMELINE_CONSTANTS.PIXELS_PER_SECOND * zoomLevel;
|
|
const viewportWidth = rulerViewport.clientWidth;
|
|
const scrollMin = 0;
|
|
const scrollMax = rulerViewport.scrollWidth - viewportWidth;
|
|
// Center the playhead if it's not visible (100px buffer)
|
|
const desiredScroll = Math.max(
|
|
scrollMin,
|
|
Math.min(scrollMax, playheadPx - viewportWidth / 2)
|
|
);
|
|
if (
|
|
playheadPx < rulerViewport.scrollLeft + 100 ||
|
|
playheadPx > rulerViewport.scrollLeft + viewportWidth - 100
|
|
) {
|
|
rulerViewport.scrollLeft = tracksViewport.scrollLeft = desiredScroll;
|
|
}
|
|
}, [playheadPosition, duration, zoomLevel]);
|
|
|
|
return (
|
|
<div
|
|
className={`h-full flex flex-col transition-colors duration-200 relative bg-panel rounded-sm overflow-hidden`}
|
|
{...dragProps}
|
|
onMouseEnter={() => setIsInTimeline(true)}
|
|
onMouseLeave={() => setIsInTimeline(false)}
|
|
>
|
|
{/* Toolbar */}
|
|
<div className="border-b flex items-center px-2 py-1 gap-1">
|
|
<TooltipProvider delayDuration={500}>
|
|
{/* Play/Pause Button */}
|
|
<Tooltip>
|
|
<TooltipTrigger asChild>
|
|
<Button
|
|
variant="text"
|
|
size="icon"
|
|
onClick={toggle}
|
|
className="mr-2"
|
|
>
|
|
{isPlaying ? (
|
|
<Pause className="h-4 w-4" />
|
|
) : (
|
|
<Play className="h-4 w-4" />
|
|
)}
|
|
</Button>
|
|
</TooltipTrigger>
|
|
<TooltipContent>
|
|
{isPlaying ? "Pause (Space)" : "Play (Space)"}
|
|
</TooltipContent>
|
|
</Tooltip>
|
|
<div className="w-px h-6 bg-border mx-1" />
|
|
{/* Time Display */}
|
|
<div
|
|
className="text-xs text-muted-foreground font-mono px-2"
|
|
style={{ minWidth: "18ch", textAlign: "center" }}
|
|
>
|
|
{currentTime.toFixed(1)}s / {duration.toFixed(1)}s
|
|
</div>
|
|
{/* Test Clip Button - for debugging */}
|
|
{tracks.length === 0 && (
|
|
<>
|
|
<div className="w-px h-6 bg-border mx-1" />
|
|
<Tooltip>
|
|
<TooltipTrigger asChild>
|
|
<Button
|
|
variant="outline"
|
|
size="sm"
|
|
onClick={() => {
|
|
const trackId = addTrack("media");
|
|
addElementToTrack(trackId, {
|
|
type: "media",
|
|
mediaId: "test",
|
|
name: "Test Clip",
|
|
duration: TIMELINE_CONSTANTS.DEFAULT_TEXT_DURATION,
|
|
startTime: 0,
|
|
trimStart: 0,
|
|
trimEnd: 0,
|
|
});
|
|
}}
|
|
className="text-xs"
|
|
>
|
|
Add Test Clip
|
|
</Button>
|
|
</TooltipTrigger>
|
|
<TooltipContent>Add a test clip to try playback</TooltipContent>
|
|
</Tooltip>
|
|
</>
|
|
)}
|
|
<div className="w-px h-6 bg-border mx-1" />
|
|
<Tooltip>
|
|
<TooltipTrigger asChild>
|
|
<Button variant="text" size="icon" onClick={handleSplitSelected}>
|
|
<Scissors className="h-4 w-4" />
|
|
</Button>
|
|
</TooltipTrigger>
|
|
<TooltipContent>Split element (Ctrl+S)</TooltipContent>
|
|
</Tooltip>
|
|
<Tooltip>
|
|
<TooltipTrigger asChild>
|
|
<Button
|
|
variant="text"
|
|
size="icon"
|
|
onClick={handleSplitAndKeepLeft}
|
|
>
|
|
<ArrowLeftToLine className="h-4 w-4" />
|
|
</Button>
|
|
</TooltipTrigger>
|
|
<TooltipContent>Split and keep left (Ctrl+Q)</TooltipContent>
|
|
</Tooltip>
|
|
<Tooltip>
|
|
<TooltipTrigger asChild>
|
|
<Button
|
|
variant="text"
|
|
size="icon"
|
|
onClick={handleSplitAndKeepRight}
|
|
>
|
|
<ArrowRightToLine className="h-4 w-4" />
|
|
</Button>
|
|
</TooltipTrigger>
|
|
<TooltipContent>Split and keep right (Ctrl+W)</TooltipContent>
|
|
</Tooltip>
|
|
<Tooltip>
|
|
<TooltipTrigger asChild>
|
|
<Button variant="text" size="icon" onClick={handleSeparateAudio}>
|
|
<SplitSquareHorizontal className="h-4 w-4" />
|
|
</Button>
|
|
</TooltipTrigger>
|
|
<TooltipContent>Separate audio (Ctrl+D)</TooltipContent>
|
|
</Tooltip>
|
|
<Tooltip>
|
|
<TooltipTrigger asChild>
|
|
<Button
|
|
variant="text"
|
|
size="icon"
|
|
onClick={handleDuplicateSelected}
|
|
>
|
|
<Copy className="h-4 w-4" />
|
|
</Button>
|
|
</TooltipTrigger>
|
|
<TooltipContent>Duplicate element (Ctrl+D)</TooltipContent>
|
|
</Tooltip>
|
|
<Tooltip>
|
|
<TooltipTrigger asChild>
|
|
<Button variant="text" size="icon" onClick={handleFreezeSelected}>
|
|
<Snowflake className="h-4 w-4" />
|
|
</Button>
|
|
</TooltipTrigger>
|
|
<TooltipContent>Freeze frame (F)</TooltipContent>
|
|
</Tooltip>
|
|
<Tooltip>
|
|
<TooltipTrigger asChild>
|
|
<Button variant="text" size="icon" onClick={handleDeleteSelected}>
|
|
<Trash2 className="h-4 w-4" />
|
|
</Button>
|
|
</TooltipTrigger>
|
|
<TooltipContent>Delete element (Delete)</TooltipContent>
|
|
</Tooltip>
|
|
<div className="w-px h-6 bg-border mx-1" />
|
|
{/* Speed Control */}
|
|
<Tooltip>
|
|
<TooltipTrigger asChild>
|
|
<Select
|
|
value={speed.toFixed(1)}
|
|
onValueChange={(value) => setSpeed(parseFloat(value))}
|
|
>
|
|
<SelectTrigger className="w-[90px] h-8">
|
|
<SelectValue placeholder="1.0x" />
|
|
</SelectTrigger>
|
|
<SelectContent>
|
|
<SelectItem value="0.5">0.5x</SelectItem>
|
|
<SelectItem value="1.0">1.0x</SelectItem>
|
|
<SelectItem value="1.5">1.5x</SelectItem>
|
|
<SelectItem value="2.0">2.0x</SelectItem>
|
|
</SelectContent>
|
|
</Select>
|
|
</TooltipTrigger>
|
|
<TooltipContent>Playback Speed</TooltipContent>
|
|
</Tooltip>
|
|
</TooltipProvider>
|
|
</div>
|
|
|
|
{/* Timeline Container */}
|
|
<div className="flex-1 flex flex-col overflow-hidden" ref={timelineRef}>
|
|
{/* Timeline Header with Ruler */}
|
|
<div className="flex border-b bg-panel-accent sticky top-0 z-10">
|
|
{/* Track Labels Header */}
|
|
<div className="w-48 flex-shrink-0 bg-muted/30 border-r flex items-center justify-between px-3 py-2">
|
|
<span className="text-sm font-medium text-muted-foreground">
|
|
Tracks
|
|
</span>
|
|
</div>
|
|
|
|
{/* Timeline Ruler */}
|
|
<div
|
|
className="flex-1 relative overflow-hidden"
|
|
onWheel={handleWheel}
|
|
>
|
|
<ScrollArea className="w-full" ref={rulerScrollRef}>
|
|
<div
|
|
ref={rulerRef}
|
|
className={`relative h-12 bg-muted/30 select-none ${
|
|
isDraggingRuler ? "cursor-grabbing" : "cursor-grab"
|
|
}`}
|
|
style={{
|
|
width: `${dynamicTimelineWidth}px`,
|
|
}}
|
|
onMouseDown={handleRulerMouseDown}
|
|
>
|
|
{/* Time markers */}
|
|
{(() => {
|
|
// Calculate appropriate time interval based on zoom level
|
|
const getTimeInterval = (zoom: number) => {
|
|
const pixelsPerSecond =
|
|
TIMELINE_CONSTANTS.PIXELS_PER_SECOND * zoom;
|
|
if (pixelsPerSecond >= 200) return 0.1; // Every 0.1s when very zoomed in
|
|
if (pixelsPerSecond >= 100) return 0.5; // Every 0.5s when zoomed in
|
|
if (pixelsPerSecond >= 50) return 1; // Every 1s at normal zoom
|
|
if (pixelsPerSecond >= 25) return 2; // Every 2s when zoomed out
|
|
if (pixelsPerSecond >= 12) return 5; // Every 5s when more zoomed out
|
|
if (pixelsPerSecond >= 6) return 10; // Every 10s when very zoomed out
|
|
return 30; // Every 30s when extremely zoomed out
|
|
};
|
|
|
|
const interval = getTimeInterval(zoomLevel);
|
|
const markerCount = Math.ceil(duration / interval) + 1;
|
|
|
|
return Array.from({ length: markerCount }, (_, i) => {
|
|
const time = i * interval;
|
|
if (time > duration) return null;
|
|
|
|
const isMainMarker =
|
|
time % (interval >= 1 ? Math.max(1, interval) : 1) === 0;
|
|
|
|
return (
|
|
<div
|
|
key={i}
|
|
className={`absolute top-0 bottom-0 ${
|
|
isMainMarker
|
|
? "border-l border-muted-foreground/40"
|
|
: "border-l border-muted-foreground/20"
|
|
}`}
|
|
style={{
|
|
left: `${time * TIMELINE_CONSTANTS.PIXELS_PER_SECOND * zoomLevel}px`,
|
|
}}
|
|
>
|
|
<span
|
|
className={`absolute top-1 left-1 text-xs ${
|
|
isMainMarker
|
|
? "text-muted-foreground font-medium"
|
|
: "text-muted-foreground/70"
|
|
}`}
|
|
>
|
|
{(() => {
|
|
const formatTime = (seconds: number) => {
|
|
const hours = Math.floor(seconds / 3600);
|
|
const minutes = Math.floor((seconds % 3600) / 60);
|
|
const secs = seconds % 60;
|
|
|
|
if (hours > 0) {
|
|
return `${hours}:${minutes.toString().padStart(2, "0")}:${Math.floor(secs).toString().padStart(2, "0")}`;
|
|
} else if (minutes > 0) {
|
|
return `${minutes}:${Math.floor(secs).toString().padStart(2, "0")}`;
|
|
} else if (interval >= 1) {
|
|
return `${Math.floor(secs)}s`;
|
|
} else {
|
|
return `${secs.toFixed(1)}s`;
|
|
}
|
|
};
|
|
return formatTime(time);
|
|
})()}
|
|
</span>
|
|
</div>
|
|
);
|
|
}).filter(Boolean);
|
|
})()}
|
|
|
|
{/* Playhead in ruler (scrubbable) */}
|
|
<div
|
|
className="playhead absolute top-0 bottom-0 w-0.5 bg-red-500 pointer-events-auto z-50 cursor-col-resize"
|
|
style={{
|
|
left: `${playheadPosition * TIMELINE_CONSTANTS.PIXELS_PER_SECOND * zoomLevel}px`,
|
|
}}
|
|
onMouseDown={handlePlayheadMouseDown}
|
|
>
|
|
<div className="absolute top-1 left-1/2 transform -translate-x-1/2 w-3 h-3 bg-red-500 rounded-full border-2 border-white shadow-sm" />
|
|
</div>
|
|
</div>
|
|
</ScrollArea>
|
|
</div>
|
|
</div>
|
|
|
|
{/* Tracks Area */}
|
|
<div className="flex-1 flex overflow-hidden">
|
|
{/* Track Labels */}
|
|
{tracks.length > 0 && (
|
|
<div className="w-48 flex-shrink-0 border-r bg-panel-accent overflow-y-auto">
|
|
<div className="flex flex-col gap-1">
|
|
{tracks.map((track) => (
|
|
<div
|
|
key={track.id}
|
|
className="flex items-center px-3 border-b border-muted/30 group bg-foreground/5"
|
|
style={{ height: `${getTrackHeight(track.type)}px` }}
|
|
>
|
|
<div className="flex items-center flex-1 min-w-0">
|
|
<TrackIcon track={track} />
|
|
</div>
|
|
{track.muted && (
|
|
<span className="ml-2 text-xs text-red-500 font-semibold flex-shrink-0">
|
|
Muted
|
|
</span>
|
|
)}
|
|
</div>
|
|
))}
|
|
</div>
|
|
</div>
|
|
)}
|
|
|
|
{/* Timeline Tracks Content */}
|
|
<div
|
|
className="flex-1 relative overflow-hidden"
|
|
onWheel={handleWheel}
|
|
>
|
|
<ScrollArea className="w-full h-full" ref={tracksScrollRef}>
|
|
<div
|
|
className="relative flex-1"
|
|
style={{
|
|
height: `${Math.max(200, Math.min(800, getTotalTracksHeight(tracks)))}px`,
|
|
width: `${dynamicTimelineWidth}px`,
|
|
}}
|
|
onClick={handleTimelineClick}
|
|
onMouseDown={handleTimelineMouseDown}
|
|
>
|
|
{tracks.length === 0 ? (
|
|
<div></div>
|
|
) : (
|
|
<>
|
|
{tracks.map((track, index) => (
|
|
<ContextMenu key={track.id}>
|
|
<ContextMenuTrigger asChild>
|
|
<div
|
|
className="absolute left-0 right-0 border-b border-muted/30 py-[0.05rem]"
|
|
style={{
|
|
top: `${getCumulativeHeightBefore(tracks, index)}px`,
|
|
height: `${getTrackHeight(track.type)}px`,
|
|
}}
|
|
onClick={(e) => {
|
|
// If clicking empty area (not on a element), deselect all elements
|
|
if (
|
|
!(e.target as HTMLElement).closest(
|
|
".timeline-element"
|
|
)
|
|
) {
|
|
clearSelectedElements();
|
|
}
|
|
}}
|
|
>
|
|
<TimelineTrackContent
|
|
track={track}
|
|
zoomLevel={zoomLevel}
|
|
/>
|
|
</div>
|
|
</ContextMenuTrigger>
|
|
<ContextMenuContent>
|
|
<ContextMenuItem>
|
|
Track settings (soon)
|
|
</ContextMenuItem>
|
|
</ContextMenuContent>
|
|
</ContextMenu>
|
|
))}
|
|
|
|
{/* Playhead for tracks area (scrubbable) */}
|
|
{tracks.length > 0 && (
|
|
<div
|
|
className="absolute top-0 w-0.5 bg-red-500 pointer-events-auto z-50 cursor-col"
|
|
style={{
|
|
left: `${playheadPosition * TIMELINE_CONSTANTS.PIXELS_PER_SECOND * zoomLevel}px`,
|
|
height: `${getTotalTracksHeight(tracks)}px`,
|
|
}}
|
|
onMouseDown={handlePlayheadMouseDown}
|
|
/>
|
|
)}
|
|
</>
|
|
)}
|
|
</div>
|
|
</ScrollArea>
|
|
</div>
|
|
</div>
|
|
</div>
|
|
</div>
|
|
);
|
|
}
|
|
|
|
function TrackIcon({ track }: { track: TimelineTrack }) {
|
|
return (
|
|
<>
|
|
{track.type === "media" && (
|
|
<Video className="w-4 h-4 flex-shrink-0 text-muted-foreground" />
|
|
)}
|
|
{track.type === "text" && (
|
|
<TypeIcon className="w-4 h-4 flex-shrink-0 text-muted-foreground" />
|
|
)}
|
|
{track.type === "audio" && (
|
|
<Music className="w-4 h-4 flex-shrink-0 text-muted-foreground" />
|
|
)}
|
|
</>
|
|
);
|
|
}
|