refactor(ui): added MultiPortal and customPortalOptions

2021-09-21 16:44:03 +02:00
parent e0b23653b7
commit 152adfc8b0
3 changed files with 96 additions and 24 deletions
@@ -0,0 +1,63 @@
+import 'package:collection/collection.dart';
+import 'package:flutter/widgets.dart';
+import 'package:flutter_portal/flutter_portal.dart';
+
+/// Class that contains the parameters for building a portal entry
+class PortalOptions {
+  /// Constructs a new portal options object
+  /// [visible] - the visibility of the portal
+  /// [widget] - the widget to be displayed
+  PortalOptions({
+    required this.visible,
+    required this.widget,
+  });
+
+  /// the visibility of the portal
+  final bool visible;
+
+  /// the widget to be displayed
+  final Widget widget;
+}
+
+/// Widget that renders a single portal widget from a list of [portalOptions]
+/// It shows the first one that is visible
+class MultiPortal extends StatelessWidget {
+  /// Constructs a new MultiPortal widget
+  /// [portalOptions] - the list of portal options
+  /// [portalAnchor] - the anchor relative to the portal
+  /// [childAnchor] - the anchor relative to the child
+  /// [child] - the child widget
+  const MultiPortal({
+    Key? key,
+    required this.portalOptions,
+    required this.child,
+    required this.portalAnchor,
+    required this.childAnchor,
+  }) : super(key: key);
+
+  /// The list of portal options
+  final List<PortalOptions> portalOptions;
+
+  /// The child widget
+  final Widget child;
+
+  /// The anchor relative to the portal
+  final Alignment? portalAnchor;
+
+  /// The anchor relative to the child
+  final Alignment? childAnchor;
+
+  @override
+  Widget build(BuildContext context) {
+    final visibleOverlay =
+        portalOptions.firstWhereOrNull((element) => element.visible);
+
+    return PortalEntry(
+      childAnchor: childAnchor,
+      portalAnchor: portalAnchor,
+      visible: visibleOverlay != null,
+      portal: visibleOverlay?.widget,
+      child: child,
+    );
+  }
+}