Jeroen SchweitzerandClaude Opus 4.5
c494ace5d8
- Add PageUrlState utility for URL ↔ state serialization - Add column `id` field for unique column identification in URLs - Update idSelector to return String for URL compatibility - All DataGrid pages now support URL params: search, sort, order, id - Browser URL updates via replaceState (no GoRouter rebuilds) - Add FilterPanelSemantics for filter panel semantic IDs - Add TESTING.md documentation 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
63 lines
1.8 KiB
Dart
63 lines
1.8 KiB
Dart
import 'package:freezed_annotation/freezed_annotation.dart';
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part 'data_grid_state.freezed.dart';
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/// State for a DataGrid instance.
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@freezed
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sealed class DataGridState<T> with _$DataGridState<T> {
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const factory DataGridState({
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/// Current items being displayed.
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@Default([]) List<T> items,
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/// Total count of items (may differ from items.length for pagination).
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@Default(0) int totalCount,
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/// Whether data is currently loading.
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@Default(false) bool isLoading,
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/// Whether initial load is in progress.
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@Default(true) bool isInitialLoad,
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/// Error that occurred during loading.
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Object? error,
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/// Current search query.
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@Default('') String searchQuery,
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/// Index of the column currently sorted by.
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int? sortColumnIndex,
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/// Whether sort is descending.
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@Default(false) bool sortDescending,
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/// Currently selected item IDs (if selectable).
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@Default({}) Set<String> selectedIds,
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/// Current page (for paginated mode).
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@Default(0) int currentPage,
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/// Whether more items can be loaded (for infinite scroll).
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@Default(false) bool hasMore,
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}) = _DataGridState<T>;
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}
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/// Extension methods for DataGridState.
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extension DataGridStateX<T> on DataGridState<T> {
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/// Whether the grid has an error.
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bool get hasError => error != null;
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/// Whether the grid is empty (no items and not loading).
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bool get isEmpty => items.isEmpty && !isLoading && !hasError;
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/// Whether all visible items are selected.
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bool get allSelected =>
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items.isNotEmpty && selectedIds.length == items.length;
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/// Whether some (but not all) items are selected.
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bool get someSelected =>
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selectedIds.isNotEmpty && selectedIds.length < items.length;
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/// Number of selected items.
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int get selectedCount => selectedIds.length;
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}
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