1079 lines
36 KiB
TypeScript
1079 lines
36 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 {
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TimelinePlayhead,
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useTimelinePlayheadRuler,
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} from "./timeline-playhead";
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import { SelectionBox } from "./selection-box";
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import { useSelectionBox } from "@/hooks/use-selection-box";
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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 "@/constants/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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toggleTrackMute,
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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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// Old marquee selection removed - using new SelectionBox component instead
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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 trackLabelsRef = useRef<HTMLDivElement>(null);
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const playheadRef = useRef<HTMLDivElement>(null);
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const trackLabelsScrollRef = 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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const lastVerticalSync = useRef(0);
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// Timeline playhead ruler handlers
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const { handleRulerMouseDown, isDraggingRuler } = useTimelinePlayheadRuler({
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currentTime,
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duration,
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zoomLevel,
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seek,
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rulerRef,
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rulerScrollRef,
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tracksScrollRef,
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playheadRef,
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});
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// Selection box functionality
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const tracksContainerRef = useRef<HTMLDivElement>(null);
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const {
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selectionBox,
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handleMouseDown: handleSelectionMouseDown,
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isSelecting,
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justFinishedSelecting,
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} = useSelectionBox({
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containerRef: tracksContainerRef,
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playheadRef,
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onSelectionComplete: (elements) => {
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console.log(JSON.stringify({ onSelectionComplete: elements.length }));
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setSelectedElements(elements);
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},
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});
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// Timeline content click to seek handler
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const handleTimelineContentClick = useCallback(
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(e: React.MouseEvent) => {
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console.log(
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JSON.stringify({
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timelineClick: {
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isSelecting,
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justFinishedSelecting,
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willReturn: isSelecting || justFinishedSelecting,
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},
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})
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);
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// Don't seek if this was a selection box operation
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if (isSelecting || justFinishedSelecting) {
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return;
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}
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// Don't seek if clicking on timeline elements, but still deselect
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if ((e.target as HTMLElement).closest(".timeline-element")) {
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return;
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}
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// Don't seek if clicking on playhead
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if (playheadRef.current?.contains(e.target as Node)) {
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return;
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}
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// Don't seek if clicking on track labels
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if ((e.target as HTMLElement).closest("[data-track-labels]")) {
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clearSelectedElements();
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return;
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}
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// Clear selected elements when clicking empty timeline area
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console.log(JSON.stringify({ clearingSelectedElements: true }));
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clearSelectedElements();
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// Determine if we're clicking in ruler or tracks area
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const isRulerClick = (e.target as HTMLElement).closest(
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"[data-ruler-area]"
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);
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let mouseX: number;
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let scrollLeft = 0;
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if (isRulerClick) {
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// Calculate based on ruler position
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const rulerContent = rulerScrollRef.current?.querySelector(
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"[data-radix-scroll-area-viewport]"
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) as HTMLElement;
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if (!rulerContent) return;
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const rect = rulerContent.getBoundingClientRect();
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mouseX = e.clientX - rect.left;
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scrollLeft = rulerContent.scrollLeft;
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} else {
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// Calculate based on tracks content position
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const tracksContent = tracksScrollRef.current?.querySelector(
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"[data-radix-scroll-area-viewport]"
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) as HTMLElement;
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if (!tracksContent) return;
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const rect = tracksContent.getBoundingClientRect();
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mouseX = e.clientX - rect.left;
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scrollLeft = tracksContent.scrollLeft;
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}
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const time = Math.max(
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0,
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Math.min(
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duration,
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(mouseX + scrollLeft) /
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(TIMELINE_CONSTANTS.PIXELS_PER_SECOND * zoomLevel)
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)
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);
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seek(time);
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},
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[
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duration,
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zoomLevel,
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seek,
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rulerScrollRef,
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tracksScrollRef,
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clearSelectedElements,
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isSelecting,
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justFinishedSelecting,
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]
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);
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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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// Old marquee system removed - using new SelectionBox component instead
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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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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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// Action handlers for toolbar
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const handleSplitSelected = () => {
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if (selectedElements.length === 0) {
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toast.error("No elements selected");
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return;
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}
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let splitCount = 0;
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selectedElements.forEach(({ trackId, elementId }) => {
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const track = tracks.find((t) => t.id === trackId);
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const element = track?.elements.find((c) => c.id === elementId);
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if (element && track) {
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const effectiveStart = element.startTime;
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const effectiveEnd =
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element.startTime +
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(element.duration - element.trimStart - element.trimEnd);
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if (currentTime > effectiveStart && currentTime < effectiveEnd) {
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const newElementId = splitElement(trackId, elementId, currentTime);
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if (newElementId) splitCount++;
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}
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}
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});
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if (splitCount === 0) {
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toast.error("Playhead must be within selected elements to split");
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}
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};
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const handleDuplicateSelected = () => {
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if (selectedElements.length === 0) {
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toast.error("No elements selected");
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return;
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}
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const canDuplicate = selectedElements.length === 1;
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if (!canDuplicate) return;
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const newSelections: { trackId: string; elementId: string }[] = [];
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selectedElements.forEach(({ trackId, elementId }) => {
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const track = tracks.find((t) => t.id === trackId);
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const element = track?.elements.find((el) => el.id === elementId);
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if (element) {
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const newStartTime =
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element.startTime +
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(element.duration - element.trimStart - element.trimEnd) +
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0.1;
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// Create element without id (will be generated by store)
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const { id, ...elementWithoutId } = element;
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addElementToTrack(trackId, {
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...elementWithoutId,
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startTime: newStartTime,
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});
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// We can't predict the new id, so just clear selection for now
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// TODO: addElementToTrack could return the new element id
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}
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});
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clearSelectedElements();
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};
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const handleFreezeSelected = () => {
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toast.info("Freeze frame functionality coming soon!");
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};
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const handleSplitAndKeepLeft = () => {
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if (selectedElements.length !== 1) {
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toast.error("Select exactly one element");
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return;
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}
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const { trackId, elementId } = selectedElements[0];
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const track = tracks.find((t) => t.id === trackId);
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const element = track?.elements.find((c) => c.id === elementId);
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if (!element) return;
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const effectiveStart = element.startTime;
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const effectiveEnd =
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element.startTime +
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(element.duration - element.trimStart - element.trimEnd);
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if (currentTime <= effectiveStart || currentTime >= effectiveEnd) {
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toast.error("Playhead must be within selected element");
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return;
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}
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splitAndKeepLeft(trackId, elementId, currentTime);
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};
|
|
|
|
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;
|
|
const trackLabelsViewport = trackLabelsScrollRef.current?.querySelector(
|
|
"[data-radix-scroll-area-viewport]"
|
|
) as HTMLElement;
|
|
|
|
if (!rulerViewport || !tracksViewport) return;
|
|
|
|
// Horizontal scroll synchronization between ruler and tracks
|
|
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);
|
|
|
|
// Vertical scroll synchronization between track labels and tracks content
|
|
if (trackLabelsViewport) {
|
|
const handleTrackLabelsScroll = () => {
|
|
const now = Date.now();
|
|
if (isUpdatingRef.current || now - lastVerticalSync.current < 16)
|
|
return;
|
|
lastVerticalSync.current = now;
|
|
isUpdatingRef.current = true;
|
|
tracksViewport.scrollTop = trackLabelsViewport.scrollTop;
|
|
isUpdatingRef.current = false;
|
|
};
|
|
const handleTracksVerticalScroll = () => {
|
|
const now = Date.now();
|
|
if (isUpdatingRef.current || now - lastVerticalSync.current < 16)
|
|
return;
|
|
lastVerticalSync.current = now;
|
|
isUpdatingRef.current = true;
|
|
trackLabelsViewport.scrollTop = tracksViewport.scrollTop;
|
|
isUpdatingRef.current = false;
|
|
};
|
|
|
|
trackLabelsViewport.addEventListener("scroll", handleTrackLabelsScroll);
|
|
tracksViewport.addEventListener("scroll", handleTracksVerticalScroll);
|
|
|
|
return () => {
|
|
rulerViewport.removeEventListener("scroll", handleRulerScroll);
|
|
tracksViewport.removeEventListener("scroll", handleTracksScroll);
|
|
trackLabelsViewport.removeEventListener(
|
|
"scroll",
|
|
handleTrackLabelsScroll
|
|
);
|
|
tracksViewport.removeEventListener(
|
|
"scroll",
|
|
handleTracksVerticalScroll
|
|
);
|
|
};
|
|
}
|
|
|
|
return () => {
|
|
rulerViewport.removeEventListener("scroll", handleRulerScroll);
|
|
tracksViewport.removeEventListener("scroll", handleTracksScroll);
|
|
};
|
|
}, []);
|
|
|
|
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 relative"
|
|
ref={timelineRef}
|
|
>
|
|
<TimelinePlayhead
|
|
currentTime={currentTime}
|
|
duration={duration}
|
|
zoomLevel={zoomLevel}
|
|
tracks={tracks}
|
|
seek={seek}
|
|
rulerRef={rulerRef}
|
|
rulerScrollRef={rulerScrollRef}
|
|
tracksScrollRef={tracksScrollRef}
|
|
trackLabelsRef={trackLabelsRef}
|
|
timelineRef={timelineRef}
|
|
playheadRef={playheadRef}
|
|
/>
|
|
{/* Timeline Header with Ruler */}
|
|
<div className="flex bg-panel 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">
|
|
{/* Empty space */}
|
|
<span className="text-sm font-medium text-muted-foreground opacity-0">
|
|
.
|
|
</span>
|
|
</div>
|
|
|
|
{/* Timeline Ruler */}
|
|
<div
|
|
className="flex-1 relative overflow-hidden h-4"
|
|
onWheel={handleWheel}
|
|
onMouseDown={handleSelectionMouseDown}
|
|
onClick={handleTimelineContentClick}
|
|
data-ruler-area
|
|
>
|
|
<ScrollArea className="w-full" ref={rulerScrollRef}>
|
|
<div
|
|
ref={rulerRef}
|
|
className="relative h-4 select-none cursor-default"
|
|
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-[0.6rem] ${
|
|
isMainMarker
|
|
? "text-muted-foreground font-medium"
|
|
: "text-muted-foreground/70"
|
|
}`}
|
|
>
|
|
{(() => {
|
|
const formatTime = (seconds: number) => {
|
|
const hours = Math.floor(seconds / 3600);
|
|
const minutes = Math.floor((seconds % 3600) / 60);
|
|
const secs = seconds % 60;
|
|
|
|
if (hours > 0) {
|
|
return `${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);
|
|
})()}
|
|
</div>
|
|
</ScrollArea>
|
|
</div>
|
|
</div>
|
|
|
|
{/* Tracks Area */}
|
|
<div className="flex-1 flex overflow-hidden">
|
|
{/* Track Labels */}
|
|
{tracks.length > 0 && (
|
|
<div
|
|
ref={trackLabelsRef}
|
|
className="w-48 flex-shrink-0 border-r bg-panel-accent overflow-y-auto"
|
|
data-track-labels
|
|
>
|
|
<ScrollArea className="w-full h-full" ref={trackLabelsScrollRef}>
|
|
<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: `${getTrackHeight(track.type)}px` }}
|
|
>
|
|
<div className="flex items-center flex-1 min-w-0">
|
|
<TrackIcon track={track} />
|
|
</div>
|
|
</div>
|
|
))}
|
|
</div>
|
|
</ScrollArea>
|
|
</div>
|
|
)}
|
|
|
|
{/* Timeline Tracks Content */}
|
|
<div
|
|
className="flex-1 relative overflow-hidden"
|
|
onWheel={handleWheel}
|
|
onMouseDown={handleSelectionMouseDown}
|
|
onClick={handleTimelineContentClick}
|
|
ref={tracksContainerRef}
|
|
>
|
|
<SelectionBox
|
|
startPos={selectionBox?.startPos || null}
|
|
currentPos={selectionBox?.currentPos || null}
|
|
containerRef={tracksContainerRef}
|
|
isActive={selectionBox?.isActive || false}
|
|
/>
|
|
<ScrollArea className="w-full h-full" ref={tracksScrollRef}>
|
|
<div
|
|
className="relative flex-1"
|
|
style={{
|
|
height: `${Math.max(200, Math.min(800, getTotalTracksHeight(tracks)))}px`,
|
|
width: `${dynamicTimelineWidth}px`,
|
|
}}
|
|
>
|
|
{tracks.length === 0 ? (
|
|
<div></div>
|
|
) : (
|
|
<>
|
|
{tracks.map((track, index) => (
|
|
<ContextMenu key={track.id}>
|
|
<ContextMenuTrigger asChild>
|
|
<div
|
|
className="absolute left-0 right-0 border-b border-muted/30 py-[0.05rem]"
|
|
style={{
|
|
top: `${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
|
|
onClick={() => toggleTrackMute(track.id)}
|
|
>
|
|
{track.muted ? "Unmute Track" : "Mute Track"}
|
|
</ContextMenuItem>
|
|
<ContextMenuItem>
|
|
Track settings (soon)
|
|
</ContextMenuItem>
|
|
</ContextMenuContent>
|
|
</ContextMenu>
|
|
))}
|
|
</>
|
|
)}
|
|
</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" />
|
|
)}
|
|
</>
|
|
);
|
|
}
|