Refactor to add header to the Tracked Item pages.

lib/models/item_type.dart

@@ -2,21 +2,26 @@ enum ItemType {
   expense(
     title: "Expense",
     plural: "Expenses",
+    description: "Items which cost revenue, or decrease asset value.",
   ),
   income(
     title: "Income",
-    plural: "Incomes",
+    plural: "Income",
+    description: "Items which bring in revenue, or increase asset value.",
   ),
   asset(
     title: "Asset",
     plural: "Assets",
+    description: "Value which has been earned and can be spent.",
   );
 
   const ItemType({
     required this.title,
     required this.plural,
+    required this.description,
   });
 
   final String title;
   final String plural;
+  final String description;
 }

lib/pages/help.dart

@@ -45,7 +45,7 @@ class HelpPage extends StatelessWidget {
                     " adding receipts.",
                   ),
                   Text(
-                    "\n\t\t Tracked items can be swiped left to right for ,"
+                    "\n\t\t Tracked items can be swiped left to right for"
                     " Deletion or right to left for Editing. Items are sorted"
                     " from highest to lowest so that the biggest impacts are"
                     " always in view.",

lib/pages/home.dart

@@ -56,7 +56,7 @@ class _HomePageState extends State<HomePage> {
     switch (pageSelected) {
       case 0:
         page = TrackedItemPage(
-          assetsToLoad: DatabaseHelper.instance.getExpenses(),
+          assetType: ItemType.expense,
           notifyParent: refresh,
         );
         dialog = TrackedItemInputDialog(
@@ -66,7 +66,7 @@ class _HomePageState extends State<HomePage> {
         break;
       case 1:
         page = TrackedItemPage(
-          assetsToLoad: DatabaseHelper.instance.getIncomes(),
+          assetType: ItemType.income,
           notifyParent: refresh,
         );
         dialog = TrackedItemInputDialog(
@@ -76,7 +76,7 @@ class _HomePageState extends State<HomePage> {
         break;
       case 2:
         page = TrackedItemPage(
-          assetsToLoad: DatabaseHelper.instance.getAssets(),
+          assetType: ItemType.asset,
           notifyParent: refresh,
         );
         dialog = TrackedItemInputDialog(
@@ -120,15 +120,15 @@ class _HomePageState extends State<HomePage> {
       destinations: [
         NavigationRailDestination(
           icon: Icon(Icons.payment),
-          label: Text('Expenses'),
+          label: Text(ItemType.expense.plural),
         ),
         NavigationRailDestination(
           icon: Icon(Icons.account_balance),
-          label: Text('Income'),
+          label: Text(ItemType.income.plural),
         ),
         NavigationRailDestination(
           icon: Icon(Icons.attach_money),
-          label: Text('Liquid Assets'),
+          label: Text(ItemType.asset.plural),
         ),
         NavigationRailDestination(
           icon: Icon(Icons.bar_chart),

lib/pages/tracked_item.dart

@@ -11,12 +11,12 @@ import '/models/frequency.dart';
 import '/db.dart';
 
 class TrackedItemPage extends StatefulWidget {
-  final Future<List<TrackedItem>> assetsToLoad;
+  final ItemType assetType;
   final Function() notifyParent;
 
   const TrackedItemPage({
     super.key,
-    required this.assetsToLoad,
+    required this.assetType,
     required this.notifyParent,
   });
 
@@ -25,12 +25,28 @@ class TrackedItemPage extends StatefulWidget {
 }
 
 class _TrackedItemPageState extends State<TrackedItemPage> {
+  late Future<List<TrackedItem>> _assetsToLoad;
+
   @override
   Widget build(BuildContext context) {
     final theme = Theme.of(context);
 
+    switch (widget.assetType) {
+      case ItemType.expense:
+        _assetsToLoad = DatabaseHelper.instance.getExpenses();
+        break;
+      case ItemType.income:
+        _assetsToLoad = DatabaseHelper.instance.getIncomes();
+        break;
+      case ItemType.asset:
+        _assetsToLoad = DatabaseHelper.instance.getAssets();
+        break;
+      default:
+        throw UnimplementedError("Unsure whch asset group to load.");
+    }
+
     return FutureBuilder<List<TrackedItem>>(
-        future: widget.assetsToLoad,
+        future: _assetsToLoad,
         builder:
             (BuildContext context, AsyncSnapshot<List<TrackedItem>> snapshot) {
           if (!snapshot.hasData) {
@@ -46,7 +62,26 @@ class _TrackedItemPageState extends State<TrackedItemPage> {
                   "Add items to get started.",
                   softWrap: true,
                 )
-              : ListView.builder(
+              : Column(
+                  children: [
+                    Text(
+                      "${widget.assetType.plural}",
+                      style: TextStyle(
+                        fontSize: 24.0,
+                        decoration: TextDecoration.underline,
+                        fontWeight: FontWeight.bold,
+                      ),
+                    ),
+                    /*Text(
+                      "${widget.assetType.description}",
+                      style: TextStyle(
+                        fontSize: 16.0,
+                        decoration: TextDecoration.none,
+                        fontWeight: FontWeight.bold,
+                      ),
+                    ),*/
+                    Expanded(
+                      child: ListView.builder(
                         itemCount: snapshot.data!.length,
                         itemBuilder: (_, index) {
                           final TrackedItem curr = snapshot.data![index];
@@ -63,7 +98,9 @@ class _TrackedItemPageState extends State<TrackedItemPage> {
                           }
                           final String itemDescription = curr.description;
 
-                    final double itemDayAmount, itemMonthAmount, itemYearAmount;
+                          final double itemDayAmount,
+                              itemMonthAmount,
+                              itemYearAmount;
                           final String estimateSymbolDaily,
                               estimateSymbolMonthly,
                               estimateSymbolYearly;
@@ -73,7 +110,9 @@ class _TrackedItemPageState extends State<TrackedItemPage> {
                             estimateSymbolDaily = curr.frequency!.numDays
                                         .toStringAsFixed(2)
                                         .endsWith(".00") &&
-                              itemDayAmount.toStringAsFixed(3).endsWith("0")
+                                    itemDayAmount
+                                        .toStringAsFixed(3)
+                                        .endsWith("0")
                                 ? ""
                                 : "~";
 
@@ -82,7 +121,9 @@ class _TrackedItemPageState extends State<TrackedItemPage> {
                             estimateSymbolMonthly = curr.frequency!.timesPerYear
                                         .toStringAsFixed(2)
                                         .endsWith(".00") &&
-                              itemMonthAmount.toStringAsFixed(3).endsWith("0")
+                                    itemMonthAmount
+                                        .toStringAsFixed(3)
+                                        .endsWith("0")
                                 ? ""
                                 : "~";
 
@@ -90,7 +131,9 @@ class _TrackedItemPageState extends State<TrackedItemPage> {
                             estimateSymbolYearly = curr.frequency!.timesPerYear
                                         .toStringAsFixed(2)
                                         .endsWith(".00") &&
-                              itemYearAmount.toStringAsFixed(3).endsWith("0")
+                                    itemYearAmount
+                                        .toStringAsFixed(3)
+                                        .endsWith("0")
                                 ? ""
                                 : "~";
                           } else {
@@ -102,7 +145,8 @@ class _TrackedItemPageState extends State<TrackedItemPage> {
                             estimateSymbolYearly = "";
                           }
 
-                    final String monthlyTitle = curr.type == ItemType.asset
+                          final String monthlyTitle =
+                              curr.type == ItemType.asset
                                   ? ""
                                   : " ${Frequency.monthly.title}";
 
@@ -196,7 +240,8 @@ class _TrackedItemPageState extends State<TrackedItemPage> {
                                     children: [
                                       Column(
                                         mainAxisSize: MainAxisSize.min,
-                                  crossAxisAlignment: CrossAxisAlignment.start,
+                                        crossAxisAlignment:
+                                            CrossAxisAlignment.start,
                                         children: [
                                           Text(
                                             itemTitle,
@@ -221,7 +266,8 @@ class _TrackedItemPageState extends State<TrackedItemPage> {
                                         ),
                                       ),
                                       Column(
-                                  crossAxisAlignment: CrossAxisAlignment.end,
+                                        crossAxisAlignment:
+                                            CrossAxisAlignment.end,
                                         children: [
                                           Text(
                                             itemTopText,
@@ -244,6 +290,9 @@ class _TrackedItemPageState extends State<TrackedItemPage> {
                             ),
                           );
                         },
+                      ),
+                    ),
+                  ],
                 );
         });
   }