[0.1.2]

lib/src/sheet/sheet_helper.astromic.dart

@@ -3,6 +3,7 @@
 import 'package:flutter/material.dart';
 //s2 1st-party Package Imports
 //s2 3rd-party Package Imports
+import 'package:provider/provider.dart';
 //s2 Dependancies Imports
 //s3 Routes
 //s3 Services
@@ -12,6 +13,7 @@ import '../form/form_helper.astromic.dart';
 import '../sheet/src/models/models.exports.dart';
 import '../sheet/src/enums/enums.exports.dart';
 import '../sheet/src/widgets/widgets.exports.dart';
+import 'src/models/sheet_store.model.dart';
 //s1 Exports
 export '../sheet/src/models/models.exports.dart';
 export '../form/form_helper.astromic.dart' show AstromicFormController;
@@ -60,17 +62,19 @@ class AstromicSheetHelper {
       reverseAnimationDuration: sheetConfigs.reverseAnimationDuration ?? const Duration(milliseconds: 250),
       animationCurve: sheetConfigs.animationCurve ?? Curves.easeOut,
       //
-      barrierColor: sheetStyle.maskColor ,
+      barrierColor: sheetStyle.maskColor,
       radius: sheetStyle.radius,
       //
-      child: BaseSheetWidget<T?>(
-        sheetConfiguration: sheetConfigs,
-        sheetStyle: sheetStyle,
-        //
-        headSection: headSection,
-        contentSection: contentSection,
-        footerSection: footerSection,
-      ),
+      child: ChangeNotifierProvider<SheetStore>(
+          create: (BuildContext c) => SheetStore(),
+          child: BaseSheetWidget<T?>(
+            sheetConfiguration: sheetConfigs,
+            sheetStyle: sheetStyle,
+            //
+            headSection: headSection,
+            contentSection: contentSection,
+            footerSection: footerSection,
+          )),
     );
   }
 
@@ -118,15 +122,18 @@ class AstromicSheetHelper {
       barrierColor: sheetStyle.maskColor,
       radius: sheetStyle.radius,
       //
-      child: BaseSheetWidget<T?>(
-        sheetType: SheetType.form,
-        //
-        sheetConfiguration: sheetConfigs,
-        sheetStyle: sheetStyle,
-        //
-        headSectionFormBuilder: headSectionBuilder,
-        contentSectionFormBuilder: contentSectionBuilder,
-        footerSectionFormBuilder: footerSectionBuilder,
+      child: ChangeNotifierProvider<SheetStore>(
+        create: (BuildContext c) => SheetStore(),
+        child: BaseSheetWidget<T?>(
+          sheetType: SheetType.form,
+          //
+          sheetConfiguration: sheetConfigs,
+          sheetStyle: sheetStyle,
+          //
+          headSectionFormBuilder: headSectionBuilder,
+          contentSectionFormBuilder: contentSectionBuilder,
+          footerSectionFormBuilder: footerSectionBuilder,
+        ),
       ),
     );
   }
@@ -192,15 +199,18 @@ class AstromicSheetHelper {
       topInset: sheetStyle.topInset,
       // s2 -- Child
       builder: (BuildContext context, ScrollController scrollController, ScrollPhysics scrollPhysics, int stop) {
-        return BaseSheetWidget<T?>(
-          sheetType: SheetType.scroller,
-          sheetConfiguration: sheetConfigs,
-          sheetStyle: sheetStyle,
-          headSectionScrollerBuilder: headSectionBuilder,
-          contentSectionScrollBuilder: contentSectionBuilder,
-          footerSectionScrollerBuilder: footerSectionBuilder,
-          scrollController: scrollController,
-          scrollPhysics: scrollPhysics,
+        return ChangeNotifierProvider<SheetStore>(
+          create: (BuildContext c) => SheetStore(),
+          child: BaseSheetWidget<T?>(
+            sheetType: SheetType.scroller,
+            sheetConfiguration: sheetConfigs,
+            sheetStyle: sheetStyle,
+            headSectionScrollerBuilder: headSectionBuilder,
+            contentSectionScrollBuilder: contentSectionBuilder,
+            footerSectionScrollerBuilder: footerSectionBuilder,
+            scrollController: scrollController,
+            scrollPhysics: scrollPhysics,
+          ),
         );
       },
     );

lib/src/sheet/src/models/sheet_store.model.dart

@@ -0,0 +1,38 @@
+import 'dart:collection';
+
+import 'package:flutter/widgets.dart';
+
+class SheetStore extends ChangeNotifier {
+  /// Internal, private state of the store.
+  final Map<String, dynamic> _items = <String, dynamic>{};
+
+  /// An unmodifiable view of the items in the store.
+  UnmodifiableMapView<String, dynamic> get items => UnmodifiableMapView<String, dynamic>(_items);
+
+  /// Adds [item] to store.
+  void add(String itemID, dynamic value) {
+    _items.addEntries(<MapEntry<String, dynamic>>[MapEntry<String, dynamic>(itemID, value)]);
+    // This call tells the widgets that are listening to this store to rebuild.
+    notifyListeners();
+  }
+
+  /// Updates [item] in the store.
+  void update(String itemID, dynamic value) {
+    if (!_items.containsKey(itemID)) {
+      throw Exception('No item with the ID $itemID exist in the SheetStore, Are you sure you added it?');
+    }
+    _items[itemID] = value;
+    // This call tells the widgets that are listening to this store to rebuild.
+    notifyListeners();
+  }
+
+  /// Removes [item] from the store.
+  void remove(String itemID, dynamic value) {
+    if (!_items.containsKey(itemID)) {
+      throw Exception('No item with the ID $itemID exist in the SheetStore, Are you sure you added it?');
+    }
+    _items.remove(itemID);
+    // This call tells the widgets that are listening to this store to rebuild.
+    notifyListeners();
+  }
+}