forge/frontend/hooks/useDragFromCarousel.ts

96 lines
3.3 KiB
TypeScript

/**
* Custom hook for handling drag-and-drop from asset carousel to file inputs
* Enables dragging assets from "My Files" carousel into batch processing tools
*/
import { useEffect } from 'react';
interface UseDragFromCarouselOptions {
onAssetDrop: (assetIds: string[]) => void;
enabled?: boolean;
}
export function useDragFromCarousel({ onAssetDrop, enabled = true }: UseDragFromCarouselOptions) {
useEffect(() => {
if (!enabled) return;
const handleDragOver = (e: DragEvent) => {
// Check if dragging from carousel (has asset-id data)
const types = Array.from(e.dataTransfer?.types || []);
if (types.includes('application/x-asset-id')) {
e.preventDefault();
e.stopPropagation();
e.dataTransfer!.dropEffect = 'copy';
// Add visual feedback
const target = e.currentTarget as HTMLElement;
if (target) {
target.classList.add('drag-over');
}
}
};
const handleDragLeave = (e: DragEvent) => {
const target = e.currentTarget as HTMLElement;
if (target) {
target.classList.remove('drag-over');
}
};
const handleDrop = (e: DragEvent) => {
const types = Array.from(e.dataTransfer?.types || []);
// Only handle if it's our asset drag
if (types.includes('application/x-asset-id')) {
e.preventDefault();
e.stopPropagation();
const target = e.currentTarget as HTMLElement;
if (target) {
target.classList.remove('drag-over');
}
// Get asset ID from drag data
const assetId = e.dataTransfer?.getData('application/x-asset-id');
if (assetId) {
// Single asset
onAssetDrop([assetId]);
}
}
};
const attachListeners = () => {
// Find all file upload drop zones
const dropZones = document.querySelectorAll('[data-file-drop-zone]');
dropZones.forEach(zone => {
zone.addEventListener('dragover', handleDragOver as EventListener);
zone.addEventListener('dragleave', handleDragLeave as EventListener);
zone.addEventListener('drop', handleDrop as EventListener);
});
return dropZones;
};
// Initial attachment with a small delay to ensure DOM is ready
const timeoutId = setTimeout(() => {
attachListeners();
}, 100);
// Also try to attach immediately
const initialZones = attachListeners();
return () => {
clearTimeout(timeoutId);
// Clean up all drop zones
const dropZones = document.querySelectorAll('[data-file-drop-zone]');
dropZones.forEach(zone => {
zone.removeEventListener('dragover', handleDragOver as EventListener);
zone.removeEventListener('dragleave', handleDragLeave as EventListener);
zone.removeEventListener('drop', handleDrop as EventListener);
});
};
}, [onAssetDrop, enabled]);
}