Further migrations to route based navigation, improved saved view logic

lib/features/documents/view/widgets/saved_views/saved_view_changed_dialog.dart

@@ -0,0 +1,33 @@
+import 'package:flutter/material.dart';
+import 'package:paperless_mobile/core/widgets/dialog_utils/dialog_cancel_button.dart';
+import 'package:paperless_mobile/core/widgets/dialog_utils/dialog_confirm_button.dart';
+import 'package:paperless_mobile/generated/l10n/app_localizations.dart';
+
+class SavedViewChangedDialog extends StatelessWidget {
+  const SavedViewChangedDialog({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return AlertDialog(
+      title: Text("Discard changes?"), //TODO: INTL
+      content: Text(
+        "Some filters of the currently active view have changed. By resetting the filter, these changes will be lost. Do you still wish to continue?", //TODO: INTL
+      ),
+      actionsOverflowButtonSpacing: 8,
+      actions: [
+        const DialogCancelButton(),
+        TextButton(
+          child: Text(S.of(context)!.saveChanges),
+          onPressed: () {
+            Navigator.pop(context, false);
+          },
+        ),
+        DialogConfirmButton(
+          label: S.of(context)!.resetFilter,
+          style: DialogConfirmButtonStyle.danger,
+          returnValue: true,
+        ),
+      ],
+    );
+  }
+}

lib/features/documents/view/widgets/saved_views/saved_view_chip.dart

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+import 'package:flutter/material.dart';
+import 'package:flutter/widgets.dart';
+import 'package:paperless_api/paperless_api.dart';
+
+class SavedViewChip extends StatelessWidget {
+  final SavedView view;
+  final void Function(SavedView view) onViewSelected;
+  final void Function(SavedView vie) onUpdateView;
+  final bool selected;
+  final bool hasChanged;
+
+  const SavedViewChip({
+    super.key,
+    required this.view,
+    required this.onViewSelected,
+    required this.selected,
+    required this.hasChanged,
+    required this.onUpdateView,
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    return Badge(
+      smallSize: 12,
+      alignment: const AlignmentDirectional(1.1, -1.2),
+      backgroundColor: Colors.red,
+      isLabelVisible: hasChanged,
+      child: FilterChip(
+        avatar: Icon(
+          Icons.saved_search,
+          color: Theme.of(context).colorScheme.onSurface,
+        ),
+        showCheckmark: false,
+        selectedColor: Theme.of(context).colorScheme.primaryContainer,
+        selected: selected,
+        label: Text(view.name),
+        onSelected: (_) {
+          onViewSelected(view);
+        },
+      ),
+    );
+  }
+}

lib/features/documents/view/widgets/saved_views/saved_views_widget.dart

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+import 'package:flutter/widgets.dart';
+import 'package:flutter_bloc/flutter_bloc.dart';
+import 'package:paperless_api/paperless_api.dart';
+import 'package:paperless_mobile/features/documents/view/widgets/saved_views/saved_view_chip.dart';
+import 'package:paperless_mobile/features/saved_view/cubit/saved_view_cubit.dart';
+
+class SavedViewsWidget extends StatelessWidget {
+  final void Function(SavedView view) onViewSelected;
+  final void Function(SavedView view) onUpdateView;
+  final DocumentFilter filter;
+  const SavedViewsWidget({
+    super.key,
+    required this.onViewSelected,
+    required this.filter,
+    required this.onUpdateView,
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    return Container(
+      padding: const EdgeInsets.only(
+        top: 12,
+        left: 16,
+        right: 16,
+      ),
+      height: 50,
+      child: BlocBuilder<SavedViewCubit, SavedViewState>(
+        builder: (context, state) {
+          return state.maybeWhen(
+            loaded: (savedViews) {
+              if (savedViews.isEmpty) {
+                return Text("No saved views");
+              }
+              return ListView.builder(
+                scrollDirection: Axis.horizontal,
+                itemBuilder: (context, index) {
+                  final view = savedViews.values.elementAt(index);
+                  return SavedViewChip(
+                    view: view,
+                    onUpdateView: onUpdateView,
+                    onViewSelected: onViewSelected,
+                    selected: filter.selectedView != null &&
+                        view.id == filter.selectedView,
+                    hasChanged: filter.selectedView == view.id &&
+                        filter != view.toDocumentFilter(),
+                  );
+                },
+                itemCount: savedViews.length,
+              );
+            },
+            error: () => Text("Error loading saved views"),
+            orElse: () => Placeholder(),
+          );
+        },
+      ),
+    );
+  }
+}