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"use client";
import { useTimelineStore } from "@/stores/timeline-store";
import { useMediaStore } from "@/stores/media-store";
import { usePlaybackStore } from "@/stores/playback-store";
import { ImageTimelineTreatment } from "@/components/ui/image-timeline-treatment";
import { VideoPlayer } from "@/components/ui/video-player";
import { Button } from "@/components/ui/button";
import { Play, Pause } from "lucide-react";
export function PreviewPanel() {
const { tracks } = useTimelineStore();
const { mediaItems } = useMediaStore();
const { isPlaying, toggle, currentTime } = usePlaybackStore();
// Find the active clip at the current playback time
const getActiveClip = () => {
for (const track of tracks) {
for (const clip of track.clips) {
const clipStart = clip.startTime;
const clipEnd = clip.startTime + (clip.duration - clip.trimStart - clip.trimEnd);
if (currentTime >= clipStart && currentTime < clipEnd) {
return clip;
}
}
}
return null;
};
const activeClip = getActiveClip();
const activeMediaItem = activeClip
? mediaItems.find((item) => item.id === activeClip.mediaId)
: null;
const aspectRatio = activeMediaItem?.aspectRatio || 16 / 9;
const renderContent = () => {
if (!activeMediaItem || !activeClip) {
return (
<div className="absolute inset-0 flex items-center justify-center text-muted-foreground/50">
{tracks.length === 0 ? "Drop media to start editing" : "No clip at current time"}
</div>
);
}
// Calculate the relative time within the clip (accounting for trim)
const relativeTime = Math.max(0, currentTime - activeClip.startTime + activeClip.trimStart);
if (activeMediaItem.type === "video") {
return (
<VideoPlayer
src={activeMediaItem.url}
poster={activeMediaItem.thumbnailUrl}
className="w-full h-full"
startTime={relativeTime}
key={`${activeClip.id}-${activeClip.trimStart}-${activeClip.trimEnd}`}
/>
);
}
if (activeMediaItem.type === "image") {
return (
<ImageTimelineTreatment
src={activeMediaItem.url}
alt={activeMediaItem.name}
targetAspectRatio={aspectRatio}
className="w-full h-full"
backgroundType="blur"
/>
);
}
if (activeMediaItem.type === "audio") {
return (
<div className="absolute inset-0 flex items-center justify-center bg-gradient-to-br from-green-500/20 to-emerald-500/20">
<div className="text-center">
<div className="text-6xl mb-4">🎵</div>
<p className="text-muted-foreground">{activeMediaItem.name}</p>
<Button
variant="outline"
className="mt-4"
onClick={toggle}
>
{isPlaying ? <Pause className="h-4 w-4 mr-2" /> : <Play className="h-4 w-4 mr-2" />}
{isPlaying ? "Pause" : "Play"}
</Button>
</div>
</div>
);
}
return null;
};
return (
<div className="h-full flex flex-col items-center justify-center p-4 overflow-hidden">
<div
className="bg-black rounded-lg shadow-lg relative overflow-hidden flex-shrink-0"
style={{
aspectRatio: aspectRatio.toString(),
width: aspectRatio > 1 ? "100%" : "auto",
height: aspectRatio <= 1 ? "100%" : "auto",
maxWidth: "100%",
maxHeight: "100%",
}}
>
{renderContent()}
</div>
{activeMediaItem && (
<div className="mt-4 text-center">
<p className="text-sm text-muted-foreground">
{activeMediaItem.name}
</p>
<p className="text-xs text-muted-foreground/70">
{aspectRatio.toFixed(2)} • {aspectRatio > 1 ? "Landscape" : aspectRatio < 1 ? "Portrait" : "Square"}
</p>
</div>
)}
</div>
);
}
|
