Resolves #70 Build default_view automatically

lib/entity_collection.class.dart

@@ -10,6 +10,8 @@ class EntityCollection {
     viewList = [];
   }
 
+  bool get hasDefaultView => _entities["group.default_view"] != null;
+
   void parse(List rawData) {
     _entities.clear();
     viewList.clear();
@@ -55,4 +57,31 @@ class EntityCollection {
     return _entities[entityId] != null;
   }
 
+  Map<String,List<String>> getDefaultViewTopLevelEntities() {
+    Map<String,List<String>> result = {"userGroups": [], "notGroupedEntities": []};
+    List<String> entities = [];
+    _entities.forEach((id, entity){
+      if ((id.indexOf("group.") == 0) && (id.indexOf(".all_") == -1) && (!entity.isView)) {
+        result["userGroups"].add(id);
+      }
+      if (!entity.isGroup) {
+        entities.add(id);
+      }
+    });
+
+    entities.forEach((entiyId) {
+      bool foundInGroup = false;
+      result["userGroups"].forEach((userGroupId) {
+        if (_entities[userGroupId].childEntities.contains(entiyId)) {
+          foundInGroup = true;
+        }
+      });
+      if (!foundInGroup) {
+        result["notGroupedEntities"].add(entiyId);
+      }
+    });
+
+    return result;
+  }
+
 }

lib/main.dart

@@ -214,8 +214,8 @@ class _MainPageState extends State<MainPage> with WidgetsBindingObserver {
       result.add(
         Wrap(
           alignment: WrapAlignment.center,
-          spacing: 12.0,
+          spacing: 10.0,
-          runSpacing: 4.0,
+          runSpacing: 1.0,
           children: _buildBadges(view.badges),
         )
       );
@@ -265,32 +265,32 @@ class _MainPageState extends State<MainPage> with WidgetsBindingObserver {
         badgeTextValue = data.unitOfMeasurement;
         badgeIcon = Center(
           child: Text(
-            "${data.state}",
+            "${data.state == 'unknown' ? '-' : data.state}",
             overflow: TextOverflow.fade,
             softWrap: false,
             textAlign: TextAlign.center,
-            style: TextStyle(fontSize: 18.0),
+            style: TextStyle(fontSize: 17.0),
           ),
         );
         break;
       }
       case "device_tracker": {
-        badgeIcon = MaterialDesignIcons.createIconFromEntityData(data, iconSize,Colors.black);
+        badgeIcon = MaterialDesignIcons.createIconWidgetFromEntityData(data, iconSize,Colors.black);
         badgeTextValue = data.state;
         break;
       }
       default: {
-       badgeIcon = MaterialDesignIcons.createIconFromEntityData(data, iconSize,Colors.black);
+       badgeIcon = MaterialDesignIcons.createIconWidgetFromEntityData(data, iconSize,Colors.black);
       }
     }
     Widget badgeText;
-    if (badgeTextValue == null) {
+    if (badgeTextValue == null || badgeTextValue.length == 0) {
       badgeText = Container(width: 0.0, height: 0.0);
     } else {
       badgeText = Container(
           padding: EdgeInsets.fromLTRB(6.0, 2.0, 6.0, 2.0),
           child: Text("$badgeTextValue",
-              style: TextStyle(fontSize: 13.0, color: Colors.white),
+              style: TextStyle(fontSize: 12.0, color: Colors.white),
               textAlign: TextAlign.center, softWrap: false, overflow: TextOverflow.fade),
           decoration: new BoxDecoration(
             // Circle shape
@@ -329,8 +329,8 @@ class _MainPageState extends State<MainPage> with WidgetsBindingObserver {
               Positioned(
                 //width: 50.0,
                 bottom: -9.0,
-                left: -15.0,
+                left: -10.0,
-                right: -15.0,
+                right: -10.0,
                 child: Center(
                   child: badgeText,
                 )
@@ -343,8 +343,9 @@ class _MainPageState extends State<MainPage> with WidgetsBindingObserver {
           child: Text(
             "${data.displayName}",
             textAlign: TextAlign.center,
+            style: TextStyle(fontSize: 12.0),
             softWrap: true,
-            maxLines: 2,
+            maxLines: 3,
             overflow: TextOverflow.ellipsis,
           ),
         ),
@@ -386,7 +387,7 @@ class _MainPageState extends State<MainPage> with WidgetsBindingObserver {
       var data = _entities.get(id);
       if (data != null) {
         entities.add(new ListTile(
-          leading: MaterialDesignIcons.createIconFromEntityData(data, 28.0, _stateIconColors[data.state] ?? Colors.blueGrey),
+          leading: MaterialDesignIcons.createIconWidgetFromEntityData(data, 28.0, _stateIconColors[data.state] ?? Colors.blueGrey),
           //subtitle: Text("${data['entity_id']}"),
           trailing: _buildEntityActionWidget(data),
           title: Text(
@@ -468,7 +469,11 @@ class _MainPageState extends State<MainPage> with WidgetsBindingObserver {
       _homeAssistant.uiBuilder.views.forEach((viewId, view) {
         result.add(
             Tab(
-                icon: MaterialDesignIcons.createIconFromEntityData(_entities.get(viewId), 24.0, null)
+                icon: MaterialDesignIcons.createIconWidgetFromEntityData(_entities.get(viewId), 24.0, null) ??
+                    Icon(
+                      MaterialDesignIcons.createIconDataFromIconName("mdi:home-assistant"),
+                      size: 24.0,
+                    )
             )
         );
       });

lib/mdi.class.dart

@@ -2868,7 +2868,10 @@ class MaterialDesignIcons {
     "mdi:blank": 0xf68c
   };
 
-  static Widget createIconFromEntityData(Entity data, double size, Color color) {
+  static Widget createIconWidgetFromEntityData(Entity data, double size, Color color) {
+    if (data == null) {
+      return null;
+    }
     if (data.entityPicture != null) {
       if (homeAssistantWebHost != null) {
         return CircleAvatar(

lib/ui_builder_class.dart

@@ -19,9 +19,26 @@ class UIBuilder {
   void build(EntityCollection entitiesCollection) {
     _entities = entitiesCollection;
     _views.clear();
+    if (!_entities.hasDefaultView) {
+      _createDefaultView();
+    }
     _createViews(entitiesCollection.viewList);
   }
 
+  void _createDefaultView() {
+    Map<String, List<String>> userGroupsList = _entities.getDefaultViewTopLevelEntities();
+    TheLogger.log("RESULT", "${userGroupsList["userGroups"]}");
+    TheLogger.log("RESULT", "${userGroupsList["notGroupedEntities"]}");
+    View view = View("group.default_view", 0);
+    userGroupsList["userGroups"].forEach((groupId){
+      view.add(_entities.get(groupId));
+    });
+    userGroupsList["notGroupedEntities"].forEach((entityId){
+      view.add(_entities.get(entityId));
+    });
+    _views["group.default_view"] = view;
+  }
+
   void _createViews(List<String> viewsList) {
     int counter = 0;
     viewsList.forEach((viewId) {