feat: Implement bulk label forms (except tags)

2025-12-07 05:15:50 -06:00 · 2023-04-11 01:16:20 +02:00
parent f2fa4e16de
commit 83d8abeae2
12 changed files with 447 additions and 308 deletions
--- a/lib/features/document_bulk_action/view/widgets/fullscreen_bulk_edit_label_form_field.dart
+++ b/lib/features/document_bulk_action/view/widgets/fullscreen_bulk_edit_label_form_field.dart
@@ -0,0 +1,150 @@
+import 'package:collection/collection.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter_bloc/flutter_bloc.dart';
+import 'package:paperless_api/paperless_api.dart';
+import 'package:paperless_mobile/core/widgets/dialog_utils/dialog_cancel_button.dart';
+import 'package:paperless_mobile/core/widgets/form_fields/fullscreen_selection_form.dart';
+import 'package:paperless_mobile/features/document_bulk_action/cubit/document_bulk_action_cubit.dart';
+import 'package:paperless_mobile/generated/l10n/app_localizations.dart';
+
+class FullscreenBulkEditLabelFormField extends StatefulWidget {
+  final String hintText;
+  final Map<int, Label> options;
+  final List<DocumentModel> selection;
+  final int? Function(DocumentModel document) labelMapper;
+  final Widget leadingIcon;
+  final void Function(int? id) onSubmit;
+
+  FullscreenBulkEditLabelFormField({
+    super.key,
+    required this.options,
+    required this.selection,
+    required this.labelMapper,
+    required this.leadingIcon,
+    required this.hintText,
+    required this.onSubmit,
+  }) : assert(selection.isNotEmpty);
+
+  @override
+  State<FullscreenBulkEditLabelFormField> createState() =>
+      _FullscreenBulkEditLabelFormFieldState();
+}
+
+class _FullscreenBulkEditLabelFormFieldState<T extends Label>
+    extends State<FullscreenBulkEditLabelFormField> {
+  LabelSelection? _selection;
+
+  @override
+  void initState() {
+    super.initState();
+    if (_initialValues.length == 1 && _initialValues.first != null) {
+      _selection = LabelSelection(_initialValues.first);
+    }
+  }
+
+  List<int?> get _initialValues =>
+      widget.selection.map(widget.labelMapper).toSet().toList();
+
+  Iterable<int> _generateOrderedLabels() sync* {
+    for (var label in _initialValues) {
+      if (label != null) {
+        yield label;
+      }
+    }
+    for (final id
+        in widget.options.keys.whereNot((e) => _initialValues.contains(e))) {
+      yield id;
+    }
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    final _labels = _generateOrderedLabels();
+    final hideFab = _selection == null ||
+        (_initialValues.length == 1 &&
+            _selection?.label == _initialValues.first);
+    return FullscreenSelectionForm(
+      hintText: widget.hintText,
+      leadingIcon: widget.leadingIcon,
+      selectionBuilder: (context, index) =>
+          _buildItem(widget.options[_labels.elementAt(index)]!),
+      selectionCount: _labels.length,
+      floatingActionButton: !hideFab
+          ? FloatingActionButton.extended(
+              onPressed: () async {
+                if (_selection == null) {
+                  Navigator.pop(context);
+                } else {
+                  final shouldPerformAction = await showDialog<bool>(
+                        context: context,
+                        builder: (context) => _buildConfirmDialog(context),
+                        // if _selection.labelId is null: show dialog asking to remove label from widget.selection.length documents
+                        // else show dialog asking to assign label to widget.selection.length documents
+                      ) ??
+                      false;
+                  if (shouldPerformAction) {
+                    widget.onSubmit(_selection!.label);
+                    Navigator.pop(context);
+                  }
+                }
+              },
+              label: Text(S.of(context)!.apply),
+              icon: Icon(Icons.done),
+            )
+          : null,
+    );
+  }
+
+  AlertDialog _buildConfirmDialog(BuildContext context) {
+    return AlertDialog(
+      title: Text(S.of(context)!.confirmAction),
+      content: Text(
+        S.of(context)!.areYouSureYouWantToContinue,
+      ),
+      actions: [
+        const DialogCancelButton(),
+        TextButton(
+          onPressed: () => Navigator.of(context).pop(true),
+          child: Text(
+            S.of(context)!.confirm,
+            style: TextStyle(
+              color: Theme.of(context).colorScheme.error,
+            ),
+          ),
+        ),
+      ],
+    );
+  }
+
+  Widget _buildItem(Label label) {
+    Widget? trailingIcon;
+    if (_initialValues.length > 1 &&
+        _selection == null &&
+        _initialValues.contains(label.id)) {
+      trailingIcon = const Icon(Icons.remove);
+    } else if (_selection?.label == label.id) {
+      trailingIcon = const Icon(Icons.done);
+    }
+    return ListTile(
+      title: Text(label.name),
+      trailing: trailingIcon,
+      onTap: () {
+        if (_selection?.label == label.id) {
+          setState(() {
+            _selection = LabelSelection(null);
+          });
+        } else {
+          setState(() {
+            _selection = LabelSelection(label.id);
+          });
+        }
+      },
+    );
+  }
+}
+
+class LabelSelection {
+  final int? label;
+
+  LabelSelection(this.label);
+}