openreader/src/components/DocumentSelectionModal.tsx

255 lines
9.9 KiB
TypeScript

'use client';
import { Dialog, DialogPanel, DialogTitle, Transition, TransitionChild } from '@headlessui/react';
import { Fragment, useEffect, useState } from 'react';
import { BaseDocument } from '@/types/documents';
interface DocumentSelectionModalProps {
isOpen: boolean;
onClose: () => void;
onConfirm: (selectedFiles: BaseDocument[]) => void;
title: string;
confirmLabel: string;
isProcessing: boolean;
defaultSelected?: boolean;
/**
* Data source:
* 1. `initialFiles`: Pass local files directly (synchronous).
* 2. `fetcher`: Pass an async function to load files (e.g. from server).
*/
initialFiles?: BaseDocument[];
fetcher?: () => Promise<BaseDocument[]>;
}
export function DocumentSelectionModal({
isOpen,
onClose,
onConfirm,
title,
confirmLabel,
isProcessing,
defaultSelected = false,
initialFiles,
fetcher,
}: DocumentSelectionModalProps) {
const [files, setFiles] = useState<BaseDocument[]>([]);
const [selectedIds, setSelectedIds] = useState<Set<string>>(new Set());
const [isLoading, setIsLoading] = useState(false);
const [lastSelectedId, setLastSelectedId] = useState<string | null>(null);
useEffect(() => {
if (isOpen) {
if (initialFiles) {
setFiles(initialFiles);
if (defaultSelected) {
setSelectedIds(new Set(initialFiles.map((f) => f.id)));
} else {
setSelectedIds(new Set());
}
setLastSelectedId(null);
} else if (fetcher) {
setIsLoading(true);
fetcher()
.then((data) => {
setFiles(data);
if (defaultSelected) {
setSelectedIds(new Set(data.map((f) => f.id)));
} else {
setSelectedIds(new Set());
}
setLastSelectedId(null);
})
.catch((err) => console.error('Failed to load documents:', err))
.finally(() => setIsLoading(false));
} else {
setFiles([]);
setSelectedIds(new Set());
}
}
}, [isOpen, initialFiles, fetcher, defaultSelected]);
const toggleSelection = (id: string, multiSelect: boolean, rangeSelect: boolean) => {
const newSelected = new Set(multiSelect ? selectedIds : []);
if (rangeSelect && lastSelectedId && files.some((f) => f.id === lastSelectedId)) {
const lastIndex = files.findIndex((f) => f.id === lastSelectedId);
const currentIndex = files.findIndex((f) => f.id === id);
const start = Math.min(lastIndex, currentIndex);
const end = Math.max(lastIndex, currentIndex);
for (let i = start; i <= end; i++) {
newSelected.add(files[i].id);
}
} else {
if (newSelected.has(id)) {
newSelected.delete(id);
} else {
newSelected.add(id);
}
}
setSelectedIds(newSelected);
setLastSelectedId(id);
};
const handleRowClick = (e: React.MouseEvent, id: string) => {
if (e.metaKey || e.ctrlKey) {
toggleSelection(id, true, false);
} else if (e.shiftKey) {
toggleSelection(id, true, true);
} else {
// "Finder" behavior: Click selects only this one (unless multiselect modifier used)
// Checkbox click is handled separately to allow toggling without clearing
const newSelected = new Set<string>();
newSelected.add(id);
setSelectedIds(newSelected);
setLastSelectedId(id);
}
};
const handleCheckboxChange = (id: string, checked: boolean) => {
const newSelected = new Set(selectedIds);
if (checked) newSelected.add(id);
else newSelected.delete(id);
setSelectedIds(newSelected);
setLastSelectedId(id);
};
const handleSelectAll = (checked: boolean) => {
if (checked) {
setSelectedIds(new Set(files.map(f => f.id)));
} else {
setSelectedIds(new Set());
}
};
const selectedCount = selectedIds.size;
const allSelected = files.length > 0 && selectedCount === files.length;
const isIndeterminate = selectedCount > 0 && selectedCount < files.length;
const handleConfirmClick = () => {
const selectedFiles = files.filter((f) => selectedIds.has(f.id));
onConfirm(selectedFiles);
};
const formatSize = (bytes: number) => {
if (bytes < 1024) return `${bytes} B`;
if (bytes < 1024 * 1024) return `${(bytes / 1024).toFixed(1)} KB`;
return `${(bytes / (1024 * 1024)).toFixed(1)} MB`;
};
return (
<Transition appear show={isOpen} as={Fragment}>
<Dialog as="div" className="relative z-[60]" onClose={onClose}>
<TransitionChild
as={Fragment}
enter="ease-out duration-300"
enterFrom="opacity-0"
enterTo="opacity-100"
leave="ease-in duration-200"
leaveFrom="opacity-100"
leaveTo="opacity-0"
>
<div className="fixed inset-0 overlay-dim backdrop-blur-sm" />
</TransitionChild>
<div className="fixed inset-0 overflow-y-auto">
<div className="flex min-h-full items-center justify-center p-4 text-center">
<TransitionChild
as={Fragment}
enter="ease-out duration-300"
enterFrom="opacity-0 scale-95"
enterTo="opacity-100 scale-100"
leave="ease-in duration-200"
leaveFrom="opacity-100 scale-100"
leaveTo="opacity-0 scale-95"
>
<DialogPanel className="w-full max-w-2xl transform rounded-2xl bg-base p-6 text-left align-middle shadow-xl transition-all flex flex-col h-[80vh]">
<DialogTitle
as="h3"
className="text-lg font-semibold leading-6 text-foreground mb-4 flex-shrink-0 flex justify-between items-center"
>
{title}
{files.length > 0 && (
<div className="flex items-center text-sm font-normal">
<label className="flex items-center gap-2 cursor-pointer select-none text-muted hover:text-foreground transition-colors">
<input
type="checkbox"
className="rounded border-muted text-accent focus:ring-accent"
checked={allSelected}
ref={input => {
if (input) input.indeterminate = isIndeterminate;
}}
onChange={(e) => handleSelectAll(e.target.checked)}
/>
Select All
</label>
</div>
)}
</DialogTitle>
<div className="flex-1 overflow-auto border border-offbase rounded-lg bg-background p-2 min-h-0">
{isLoading ? (
<div className="flex items-center justify-center h-full text-muted">Loading documents...</div>
) : files.length === 0 ? (
<div className="flex items-center justify-center h-full text-muted">No documents found.</div>
) : (
<div className="space-y-0.5">
{files.map((file) => {
const isSelected = selectedIds.has(file.id);
return (
<div
key={file.id}
onClick={(e) => handleRowClick(e, file.id)}
className={`flex items-center gap-3 px-3 py-2 rounded-md cursor-pointer text-sm select-none
${isSelected ? 'bg-accent/10' : 'hover:bg-offbase'}
`}
>
<div className="flex-shrink-0" onClick={(e) => e.stopPropagation()}>
<input
type="checkbox"
checked={isSelected}
onChange={(e) => handleCheckboxChange(file.id, e.target.checked)}
className="rounded border-muted text-accent focus:ring-accent"
/>
</div>
<div
className={`flex-1 truncate ${
isSelected ? 'text-accent font-medium' : 'text-foreground'
}`}
>
{file.name}
</div>
<div className="text-muted text-xs whitespace-nowrap">{formatSize(file.size)}</div>
</div>
);
})}
</div>
)}
</div>
<div className="mt-4 flex justify-end gap-3 flex-shrink-0">
<button
type="button"
className="inline-flex justify-center rounded-lg bg-background px-4 py-2 text-sm font-medium text-foreground hover:bg-offbase focus:outline-none focus-visible:ring-2 focus-visible:ring-accent focus-visible:ring-offset-2"
onClick={onClose}
>
Cancel
</button>
<button
type="button"
className="inline-flex justify-center rounded-lg bg-accent px-4 py-2 text-sm font-medium text-background hover:bg-secondary-accent focus:outline-none focus-visible:ring-2 focus-visible:ring-accent focus-visible:ring-offset-2 disabled:opacity-50 disabled:cursor-not-allowed"
onClick={handleConfirmClick}
disabled={selectedCount === 0 || isProcessing}
>
{isProcessing ? 'Processing...' : `${confirmLabel} ${selectedCount > 0 ? `(${selectedCount})` : ''}`}
</button>
</div>
</DialogPanel>
</TransitionChild>
</div>
</div>
</Dialog>
</Transition>
);
}