refresh checklist page

lib/add_form.dart

@@ -105,6 +105,7 @@ class _AddFormState extends State<AddForm> {
               _listLabel,
               isTemplate: type.index == 1,
             ));
+            // TODO implement template starting point
             Navigator.pop(context); // TODO replace route with checklist page
           }
         },

lib/box_checker.dart

@@ -1,5 +1,6 @@
 import 'package:flutter/material.dart';
 import 'add_form.dart';
+import 'check_list.dart';
 import 'db_helper.dart';
 import 'data_util.dart' as data;
 
@@ -15,8 +16,11 @@ class BoxChecker extends StatelessWidget {
     return MaterialApp(
       title: 'Flutter Demo',
       theme: ThemeData.from(colorScheme: ColorScheme.dark()).copyWith(
-        canvasColor: Colors.black,
-        shadowColor: Colors.blueGrey,
+        canvasColor: Colors.blueGrey[900],
+        cardColor: Colors.grey[800],
+        scaffoldBackgroundColor: Colors.black12,
+        shadowColor: Colors.black38,
+        toggleableActiveColor: Colors.blue,
         colorScheme: ColorScheme.fromSwatch(
           primarySwatch: Colors.blue,
         ),
@@ -80,10 +84,18 @@ class _MainListPageState extends State<MainListPage> {
             child: ListView.builder(
                 itemCount: lists.length,
                 itemBuilder: (context, index) {
-                  return ListTile(
-                    onTap: () {},
+                  return Card(
+                    child: ListTile(
+                      onTap: () {
+                        Navigator.push(
+                            context,
+                            MaterialPageRoute(
+                                builder: (context) =>
+                                    CheckList(id: lists[index].id!)));
+                      },
                       title: Text(lists[index].name),
                       subtitle: Text(lists[index].id.toString()),
+                    ),
                   );
                 })),
         bottomNavigationBar: BottomNavigationBar(

lib/check_list.dart

@@ -0,0 +1,125 @@
+import 'package:flutter/material.dart';
+import 'data_util.dart' as data;
+import 'db_helper.dart';
+
+class CheckList extends StatefulWidget {
+  const CheckList({Key? key, required this.id}) : super(key: key);
+  final int id;
+
+  @override
+  State<StatefulWidget> createState() => _CheckList(id);
+}
+
+class _CheckList extends State<CheckList> {
+  _CheckList(this.id);
+  final int id;
+  bool _editable = false;
+  data.List? listData;
+  List<data.Check> list = [];
+
+  void _loadList() async {
+    var rows = await DBHelper.dbHelper.getList(id);
+
+    list.clear();
+    setState(() {
+      for (var row in rows) {
+        list.add(data.Check.fromMap(row));
+      }
+    });
+  }
+
+  void _loadListData() async {
+    var rows = await DBHelper.dbHelper.getListData(id);
+    listData = (rows.isNotEmpty) ? data.List.fromMap(rows[0]) : null;
+  }
+
+  void _updateItem(data.Check item) async {
+    DBHelper.dbHelper.updateItem(item);
+  }
+
+  void _toggleEditable() {
+    setState(() {
+      _editable = !_editable;
+    });
+  }
+
+  @override
+  void initState() {
+    _loadListData();
+    _loadList();
+    super.initState();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    // TODO: implement build
+    return Scaffold(
+      appBar: AppBar(
+        title: Text((listData != null) ? listData!.name : 'Check List: $id'),
+        actions: (listData != null && listData!.isTemplate! && !_editable)
+            ? [
+                IconButton(
+                    onPressed: () => _toggleEditable(),
+                    icon: const Icon(Icons.lock))
+              ]
+            : (listData != null && listData!.isTemplate!)
+                ? [
+                    IconButton(
+                        onPressed: () => _toggleEditable(),
+                        icon: const Icon(Icons.lock_open))
+                  ]
+                : [],
+      ),
+      body: RefreshIndicator(
+        onRefresh: () async {
+          _loadListData();
+          _loadList();
+        },
+        child: ListView.builder(
+          itemCount: list.length,
+          itemBuilder: (context, index) {
+            return Card(
+              child: CheckboxListTile(
+                title: TextFormField(
+                  enabled: (listData != null &&
+                      (!listData!.isTemplate! || _editable)),
+                  decoration: InputDecoration(border: InputBorder.none),
+                  initialValue: list[index].text,
+                  onChanged: (value) {
+                    list[index].text = value;
+                    _updateItem(list[index]);
+                  },
+                ),
+                controlAffinity: ListTileControlAffinity.leading,
+                value: list[index].value,
+                onChanged:
+                    (listData != null && (!listData!.isTemplate! || _editable))
+                        ? ((value) {
+                            _updateItem(list[index]);
+                            setState(() {
+                              list[index].value = value!;
+                            });
+                          })
+                        : null,
+              ),
+            );
+          },
+        ),
+      ),
+      floatingActionButton: FloatingActionButton(
+        onPressed: () {
+          if (listData!.isTemplate! && !_editable) {
+            ScaffoldMessenger.of(context)
+              ..clearSnackBars()
+              ..showSnackBar(SnackBar(content: Text("Template is locked")));
+            return;
+          }
+          // TODO implment adding items to lists
+        },
+        child: const Icon(Icons.check_box_outlined),
+        tooltip: "Add Item",
+      ),
+      floatingActionButtonLocation: FloatingActionButtonLocation.endFloat,
+    );
+  }
+}

lib/data_util.dart

@@ -33,13 +33,13 @@ class Check {
     var map = Map<String, dynamic>();
     if (id != null) map["id"] = this.id;
     map["check_text"] = this.text;
-    map["value"] = this.value as int;
+    map["status"] = this.value ? 1 : 0;
     if (listID != null) map["list_id"] = this.listID! as int;
     return map;
   }
 
   static Check fromMap(Map<String, dynamic> map) {
-    return Check(map["check_text"], map["value"] == 1,
+    return Check(map["check_text"], map["status"] == 1,
         id: map["id"], listID: map["list_id"]);
   }
 }

lib/db_helper.dart

@@ -59,9 +59,32 @@ class DBHelper {
     return db.query("List", where: "is_template = ?", whereArgs: [type.index]);
   }
 
+  Future<List<Map<String, dynamic>>> getList(int id) async {
+    Database db = await database;
+
+    return db.query("Item", where: "list_id = ?", whereArgs: [id]);
+  }
+
+  Future<List<Map<String, dynamic>>> getListData(int id) async {
+    Database db = await database;
+
+    return db.query("List", where: "id = ?", whereArgs: [id]);
+  }
+
   Future<int> insertList(data.List l) async {
     Database db = await database;
 
     return db.insert("List", l.toMap());
   }
+
+  Future<int> updateItem(data.Check item) async {
+    Database db = await database;
+
+    return db.update(
+      "Item",
+      item.toMap(),
+      where: 'id = ?',
+      whereArgs: [item.id],
+    );
+  }
 }