Resolves #443 Lovelace view as panel support

lib/home_assistant.class.dart

@@ -162,7 +162,8 @@ class HomeAssistant {
             count: viewCounter,
             id: "${rawView['id']}",
             name: rawView['title'],
-            iconName: rawView['icon']
+            iconName: rawView['icon'],
+            panel: rawView['panel'] ?? false,
         );
 
         if (rawView['badges'] != null && rawView['badges'] is List) {

lib/ui_class/view.class.dart

@@ -4,16 +4,18 @@ class HAView {
   List<HACard> cards = [];
   List<Entity> badges = [];
   Entity linkedEntity;
-  String name;
-  String id;
-  String iconName;
-  int count;
+  final String name;
+  final String id;
+  final String iconName;
+  final int count;
+  final bool panel;
 
   HAView({
     this.name,
     this.id,
     this.count,
     this.iconName,
+    this.panel: false,
     List<Entity> childEntities
   }) {
     if (childEntities != null) {

lib/ui_widgets/view.dart

@@ -24,11 +24,28 @@ class ViewWidgetState extends State<ViewWidget> {
 
   @override
   Widget build(BuildContext context) {
-    return ListView(
-      padding: EdgeInsets.all(0.0),
-      //physics: const AlwaysScrollableScrollPhysics(),
-      children: _buildChildren(context),
-    );
+    if (widget.view.panel) {
+      return FractionallySizedBox(
+        widthFactor: 1,
+        heightFactor: 1,
+        child: _buildPanelChild(context),
+      );
+    } else {
+      return ListView(
+        padding: EdgeInsets.all(0.0),
+        //physics: const AlwaysScrollableScrollPhysics(),
+        children: _buildChildren(context),
+      );
+    }
+  }
+
+  Widget _buildPanelChild(BuildContext context) {
+    if (widget.view.cards != null && widget.view.cards.isNotEmpty) {
+      Logger.d("Building panel view. Card ${widget.view.cards[0].type}");
+      return widget.view.cards[0].build(context);
+    } else {
+      return Container(width: 0, height: 0);
+    }
   }
 
   List<Widget> _buildChildren(BuildContext context) {