86 lines
2.0 KiB
TypeScript
86 lines
2.0 KiB
TypeScript
import { useState, useRef } from "react";
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interface UseDragDropOptions {
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onDrop?: (files: FileList) => void;
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}
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// Helper function to check if drag contains files from external sources (not internal app drags)
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const containsFiles = (dataTransfer: DataTransfer): boolean => {
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// Check if this is an internal app drag (media item)
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if (dataTransfer.types.includes("application/x-media-item")) {
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return false;
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}
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// Only show overlay for external file drags
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return dataTransfer.types.includes("Files");
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};
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export function useDragDrop(options: UseDragDropOptions = {}) {
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const [isDragOver, setIsDragOver] = useState(false);
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const dragCounterRef = useRef(0);
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const handleDragEnter = (e: React.DragEvent) => {
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e.preventDefault();
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// Only handle external file drags, not internal app element drags
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if (!containsFiles(e.dataTransfer)) {
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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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// Only handle file drags
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if (!containsFiles(e.dataTransfer)) {
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return;
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}
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};
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const handleDragLeave = (e: React.DragEvent) => {
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e.preventDefault();
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// Only handle file drags
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if (!containsFiles(e.dataTransfer)) {
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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 = (e: React.DragEvent) => {
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e.preventDefault();
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setIsDragOver(false);
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dragCounterRef.current = 0;
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// Only handle file drops
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if (
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options.onDrop &&
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e.dataTransfer.files &&
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containsFiles(e.dataTransfer)
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) {
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options.onDrop(e.dataTransfer.files);
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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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return {
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isDragOver,
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dragProps,
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};
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}
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