Files
OpenCut/apps/web/src/components/editor/media-panel.tsx
2025-06-23 14:43:12 +05:30

260 lines
8.5 KiB
TypeScript

"use client";
import { Button } from "../ui/button";
import { AspectRatio } from "../ui/aspect-ratio";
import { DragOverlay } from "../ui/drag-overlay";
import { useMediaStore } from "@/stores/media-store";
import { processMediaFiles } from "@/lib/media-processing";
import { Plus, Image, Video, Music, Trash2, Upload } from "lucide-react";
import { useDragDrop } from "@/hooks/use-drag-drop";
import { useRef, useState } from "react";
import { toast } from "sonner";
// MediaPanel lets users add, view, and drag media (images, videos, audio) into the project.
// You can upload files or drag them from your computer. Dragging from here to the timeline adds them to your video project.
export function MediaPanel() {
const { mediaItems, addMediaItem, removeMediaItem } = useMediaStore();
const fileInputRef = useRef<HTMLInputElement>(null);
const [isProcessing, setIsProcessing] = useState(false);
const processFiles = async (files: FileList | File[]) => {
// If no files, do nothing
if (!files?.length) return;
setIsProcessing(true);
try {
// Process files (extract metadata, generate thumbnails, etc.)
const items = await processMediaFiles(files);
// Add each processed media item to the store
items.forEach((item) => {
addMediaItem(item);
});
} catch (error) {
// Show error if processing fails
console.error("File processing failed:", error);
toast.error("Failed to process files");
} finally {
setIsProcessing(false);
}
};
const { isDragOver, dragProps } = useDragDrop({
// When files are dropped, process them
onDrop: processFiles,
});
const handleFileSelect = () => fileInputRef.current?.click(); // Open file picker
const handleFileChange = (e: React.ChangeEvent<HTMLInputElement>) => {
// When files are selected via file picker, process them
if (e.target.files) processFiles(e.target.files);
e.target.value = ""; // Reset input
};
const handleRemove = (e: React.MouseEvent, id: string) => {
// Remove a media item from the store
e.stopPropagation();
removeMediaItem(id);
};
const formatDuration = (duration: number) => {
// Format seconds as mm:ss
const min = Math.floor(duration / 60);
const sec = Math.floor(duration % 60);
return `${min}:${sec.toString().padStart(2, "0")}`;
};
const startDrag = (e: React.DragEvent, item: any) => {
// When dragging a media item, set drag data for timeline to read
e.dataTransfer.setData(
"application/x-media-item",
JSON.stringify({
id: item.id,
type: item.type,
name: item.name,
})
);
e.dataTransfer.effectAllowed = "copy";
};
const renderPreview = (item: any) => {
// Render a preview for each media type (image, video, audio, unknown)
// Each preview is draggable to the timeline
const baseDragProps = {
draggable: true,
onDragStart: (e: React.DragEvent) => startDrag(e, item),
};
if (item.type === "image") {
return (
<img
src={item.url}
alt={item.name}
className="w-full h-full object-cover rounded cursor-grab active:cursor-grabbing"
loading="lazy"
{...baseDragProps}
/>
);
}
if (item.type === "video") {
if (item.thumbnailUrl) {
return (
<div
className="relative w-full h-full cursor-grab active:cursor-grabbing"
{...baseDragProps}
>
<img
src={item.thumbnailUrl}
alt={item.name}
className="w-full h-full object-cover rounded"
loading="lazy"
/>
<div className="absolute inset-0 flex items-center justify-center bg-black/20 rounded">
<Video className="h-6 w-6 text-white drop-shadow-md" />
</div>
{item.duration && (
<div className="absolute bottom-1 right-1 bg-black/70 text-white text-xs px-1 rounded">
{formatDuration(item.duration)}
</div>
)}
</div>
);
}
return (
<div
className="w-full h-full bg-muted/30 flex flex-col items-center justify-center text-muted-foreground rounded cursor-grab active:cursor-grabbing"
{...baseDragProps}
>
<Video className="h-6 w-6 mb-1" />
<span className="text-xs">Video</span>
{item.duration && (
<span className="text-xs opacity-70">
{formatDuration(item.duration)}
</span>
)}
</div>
);
}
if (item.type === "audio") {
return (
<div
className="w-full h-full bg-gradient-to-br from-green-500/20 to-emerald-500/20 flex flex-col items-center justify-center text-muted-foreground rounded border border-green-500/20 cursor-grab active:cursor-grabbing"
{...baseDragProps}
>
<Music className="h-6 w-6 mb-1" />
<span className="text-xs">Audio</span>
{item.duration && (
<span className="text-xs opacity-70">
{formatDuration(item.duration)}
</span>
)}
</div>
);
}
return (
<div
className="w-full h-full bg-muted/30 flex flex-col items-center justify-center text-muted-foreground rounded cursor-grab active:cursor-grabbing"
{...baseDragProps}
>
<Image className="h-6 w-6" />
<span className="text-xs mt-1">Unknown</span>
</div>
);
};
return (
<>
{/* Hidden file input for uploading media */}
<input
ref={fileInputRef}
type="file"
accept="image/*,video/*,audio/*"
multiple
className="hidden"
onChange={handleFileChange}
/>
<div
className={`h-full flex flex-col transition-colors relative ${isDragOver ? "bg-accent/30" : ""}`}
{...dragProps}
>
{/* Show overlay when dragging files over the panel */}
<DragOverlay isVisible={isDragOver} />
<div className="p-2 border-b">
{/* Button to add/upload media */}
<Button
variant="outline"
size="sm"
className="w-full"
onClick={handleFileSelect}
disabled={isProcessing}
>
{isProcessing ? (
<>
<Upload className="h-4 w-4 mr-2 animate-spin" />
Processing...
</>
) : (
<>
<Plus className="h-4 w-4 mr-2" />
Add Media
</>
)}
</Button>
</div>
<div className="flex-1 overflow-y-auto p-2">
{/* Show message if no media, otherwise show media grid */}
{mediaItems.length === 0 ? (
<div className="flex flex-col items-center justify-center py-8 text-center h-full">
<div className="w-16 h-16 rounded-full bg-muted/30 flex items-center justify-center mb-4">
<Image className="h-8 w-8 text-muted-foreground" />
</div>
<p className="text-sm text-muted-foreground">
No media in project
</p>
<p className="text-xs text-muted-foreground/70 mt-1">
Drag files here or use the button above
</p>
</div>
) : (
<div className="grid grid-cols-2 gap-2">
{/* Render each media item as a draggable button */}
{mediaItems.map((item) => (
<div key={item.id} className="relative group">
<Button
variant="outline"
className="flex flex-col gap-2 p-2 h-auto w-full relative"
>
<AspectRatio ratio={item.aspectRatio}>
{renderPreview(item)}
</AspectRatio>
<span className="text-xs truncate px-1">{item.name}</span>
</Button>
{/* Show remove button on hover */}
<div className="absolute -top-2 -right-2 opacity-0 group-hover:opacity-100 transition-opacity">
<Button
variant="destructive"
size="icon"
className="h-6 w-6"
onClick={(e) => handleRemove(e, item.id)}
>
<Trash2 className="h-3 w-3" />
</Button>
</div>
</div>
))}
</div>
)}
</div>
</div>
</>
);
}