386 lines
13 KiB
Dart
386 lines
13 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:shadcn_ui/shadcn_ui.dart';
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class SuperportShadTable<T> extends StatefulWidget {
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final List<T> data;
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final List<ShadTableColumn<T>> columns;
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final Function(T)? onRowTap;
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final Function(T)? onRowDoubleTap;
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final bool showCheckbox;
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final Set<T>? selectedRows;
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final Function(Set<T>)? onSelectionChanged;
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final bool sortable;
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final int rowsPerPage;
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final String? emptyMessage;
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final Widget? header;
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final Widget? footer;
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final bool loading;
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final bool striped;
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final bool hoverable;
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final ScrollController? scrollController;
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const SuperportShadTable({
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super.key,
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required this.data,
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required this.columns,
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this.onRowTap,
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this.onRowDoubleTap,
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this.showCheckbox = false,
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this.selectedRows,
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this.onSelectionChanged,
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this.sortable = true,
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this.rowsPerPage = 10,
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this.emptyMessage,
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this.header,
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this.footer,
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this.loading = false,
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this.striped = true,
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this.hoverable = true,
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this.scrollController,
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});
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@override
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State<SuperportShadTable<T>> createState() => _SuperportShadTableState<T>();
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}
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class _SuperportShadTableState<T> extends State<SuperportShadTable<T>> {
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late List<T> _sortedData;
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String? _sortColumn;
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bool _sortAscending = true;
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int _currentPage = 1;
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late Set<T> _selectedRows;
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final ScrollController _defaultScrollController = ScrollController();
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ScrollController get _scrollController =>
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widget.scrollController ?? _defaultScrollController;
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@override
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void initState() {
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super.initState();
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_sortedData = List.from(widget.data);
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_selectedRows = widget.selectedRows ?? {};
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}
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@override
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void didUpdateWidget(SuperportShadTable<T> oldWidget) {
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super.didUpdateWidget(oldWidget);
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if (oldWidget.data != widget.data) {
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_sortedData = List.from(widget.data);
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_applySort();
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}
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if (oldWidget.selectedRows != widget.selectedRows) {
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_selectedRows = widget.selectedRows ?? {};
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}
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}
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@override
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void dispose() {
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_defaultScrollController.dispose();
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super.dispose();
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}
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void _sort(String columnKey) {
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if (!widget.sortable) return;
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setState(() {
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if (_sortColumn == columnKey) {
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_sortAscending = !_sortAscending;
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} else {
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_sortColumn = columnKey;
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_sortAscending = true;
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}
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_applySort();
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});
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}
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void _applySort() {
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if (_sortColumn == null) return;
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final column = widget.columns.firstWhere(
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(col) => col.key == _sortColumn,
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orElse: () => widget.columns.first,
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);
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if (column.sorter != null) {
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_sortedData.sort((a, b) {
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final result = column.sorter!(a, b);
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return _sortAscending ? result : -result;
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});
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}
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}
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void _toggleRowSelection(T row) {
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setState(() {
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if (_selectedRows.contains(row)) {
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_selectedRows.remove(row);
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} else {
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_selectedRows.add(row);
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}
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widget.onSelectionChanged?.call(_selectedRows);
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});
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}
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void _toggleAllSelection() {
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setState(() {
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if (_selectedRows.length == _pageData.length) {
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_selectedRows.clear();
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} else {
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_selectedRows = Set.from(_pageData);
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}
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widget.onSelectionChanged?.call(_selectedRows);
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});
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}
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List<T> get _pageData {
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final startIndex = (_currentPage - 1) * widget.rowsPerPage;
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final endIndex = startIndex + widget.rowsPerPage;
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return _sortedData.sublist(
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startIndex,
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endIndex.clamp(0, _sortedData.length),
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);
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}
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int get _totalPages {
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return (_sortedData.length / widget.rowsPerPage).ceil();
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}
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@override
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Widget build(BuildContext context) {
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final theme = ShadTheme.of(context);
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if (widget.loading) {
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return const Center(
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child: CircularProgressIndicator(),
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);
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}
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if (_sortedData.isEmpty) {
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return Center(
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child: Padding(
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padding: const EdgeInsets.all(32),
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child: Column(
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mainAxisSize: MainAxisSize.min,
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children: [
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Icon(
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Icons.inbox_outlined,
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size: 64,
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color: theme.colorScheme.mutedForeground,
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),
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const SizedBox(height: 16),
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Text(
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widget.emptyMessage ?? '데이터가 없습니다',
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style: theme.textTheme.muted,
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),
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],
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),
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),
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);
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}
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return Column(
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crossAxisAlignment: CrossAxisAlignment.stretch,
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children: [
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if (widget.header != null) ...[
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widget.header!,
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const SizedBox(height: 16),
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],
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ShadCard(
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padding: EdgeInsets.zero,
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child: Column(
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children: [
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SingleChildScrollView(
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controller: _scrollController,
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scrollDirection: Axis.horizontal,
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child: DataTable(
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columns: [
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if (widget.showCheckbox)
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DataColumn(
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label: Checkbox(
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value: _selectedRows.length == _pageData.length &&
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_pageData.isNotEmpty,
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onChanged: (_) => _toggleAllSelection(),
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),
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),
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...widget.columns.map((column) {
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return DataColumn(
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label: InkWell(
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onTap: column.sorter != null && widget.sortable
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? () => _sort(column.key)
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: null,
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child: Row(
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children: [
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Text(
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column.label,
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style: theme.textTheme.small.copyWith(
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fontWeight: FontWeight.w600,
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),
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),
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if (column.sorter != null && widget.sortable) ...[
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const SizedBox(width: 4),
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if (_sortColumn == column.key)
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Icon(
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_sortAscending
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? Icons.arrow_upward
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: Icons.arrow_downward,
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size: 16,
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)
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else
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const Icon(
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Icons.unfold_more,
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size: 16,
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),
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],
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],
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),
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),
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);
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}),
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],
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rows: _pageData.asMap().entries.map((entry) {
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final index = entry.key;
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final row = entry.value;
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final isSelected = _selectedRows.contains(row);
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final isStriped = widget.striped && index.isOdd;
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return DataRow(
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selected: isSelected,
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color: WidgetStateProperty.resolveWith((states) {
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if (states.contains(WidgetState.selected)) {
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return theme.colorScheme.accent.withValues(alpha: 0.1);
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}
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if (widget.hoverable &&
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states.contains(WidgetState.hovered)) {
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return theme.colorScheme.muted.withValues(alpha: 0.5);
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}
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if (isStriped) {
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return theme.colorScheme.muted.withValues(alpha: 0.3);
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}
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return null;
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}),
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onSelectChanged: widget.showCheckbox
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? (_) => _toggleRowSelection(row)
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: null,
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cells: [
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if (widget.showCheckbox)
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DataCell(
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Checkbox(
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value: isSelected,
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onChanged: (_) => _toggleRowSelection(row),
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),
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),
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...widget.columns.map((column) {
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final cellValue = column.accessor(row);
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Widget cellWidget;
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if (column.render != null) {
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cellWidget = column.render!(row, cellValue);
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} else if (cellValue is DateTime) {
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cellWidget = Text(
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DateFormat('yyyy-MM-dd HH:mm').format(cellValue),
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style: theme.textTheme.small,
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);
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} else if (cellValue is num) {
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cellWidget = Text(
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NumberFormat('#,###').format(cellValue),
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style: theme.textTheme.small,
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);
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} else {
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cellWidget = Text(
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cellValue?.toString() ?? '-',
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style: theme.textTheme.small,
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);
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}
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return DataCell(
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cellWidget,
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onTap: widget.onRowTap != null
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? () => widget.onRowTap!(row)
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: null,
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onDoubleTap: widget.onRowDoubleTap != null
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? () => widget.onRowDoubleTap!(row)
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: null,
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);
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}),
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],
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);
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}).toList(),
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),
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),
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if (_totalPages > 1) ...[
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const Divider(height: 1),
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Padding(
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padding: const EdgeInsets.all(16),
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child: Row(
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mainAxisAlignment: MainAxisAlignment.spaceBetween,
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children: [
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Text(
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'총 ${_sortedData.length}개 중 '
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'${((_currentPage - 1) * widget.rowsPerPage) + 1}-'
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'${((_currentPage - 1) * widget.rowsPerPage) + _pageData.length}',
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style: theme.textTheme.muted,
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),
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Row(
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children: [
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ShadButton.outline(
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size: ShadButtonSize.sm,
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enabled: _currentPage > 1,
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onPressed: () {
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setState(() {
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_currentPage--;
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});
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},
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child: const Icon(Icons.chevron_left, size: 16),
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),
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const SizedBox(width: 8),
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Text(
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'$_currentPage / $_totalPages',
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style: theme.textTheme.small,
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),
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const SizedBox(width: 8),
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ShadButton.outline(
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size: ShadButtonSize.sm,
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enabled: _currentPage < _totalPages,
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onPressed: () {
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setState(() {
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_currentPage++;
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});
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},
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child: const Icon(Icons.chevron_right, size: 16),
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),
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],
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),
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],
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),
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),
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],
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],
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),
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),
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if (widget.footer != null) ...[
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const SizedBox(height: 16),
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widget.footer!,
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],
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],
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);
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}
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}
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class ShadTableColumn<T> {
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final String key;
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final String label;
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final dynamic Function(T) accessor;
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final Widget Function(T, dynamic)? render;
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final int Function(T, T)? sorter;
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final double? width;
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final bool sortable;
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const ShadTableColumn({
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required this.key,
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required this.label,
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required this.accessor,
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this.render,
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this.sorter,
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this.width,
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this.sortable = true,
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});
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} |