Refactoring: Entity classes by action type. Wntity widget building in

entity

lib/entity.class.dart

@@ -1,6 +1,13 @@
 part of 'main.dart';
 
 class Entity {
+  static Map<String, Color> stateIconColors = {
+    "on": Colors.amber,
+    "off": Color.fromRGBO(68, 115, 158, 1.0),
+    "unavailable": Colors.black12,
+    "unknown": Colors.black12,
+    "playing": Colors.amber
+  };
   Map _attributes;
   String _domain;
   String _entityId;
@@ -43,4 +50,123 @@ class Entity {
     _state = rawData["state"];
   }
 
+  Widget buildWidget() {
+    return SizedBox(
+      height: 34.0,
+      child: Row(
+        children: <Widget>[
+          Padding(
+            padding: EdgeInsets.fromLTRB(8.0, 0.0, 12.0, 0.0),
+            child: MaterialDesignIcons.createIconWidgetFromEntityData(this, 28.0, Entity.stateIconColors[_state] ?? Colors.blueGrey),
+          ),
+          Expanded(
+            child: Text(
+              "${this.displayName}",
+              overflow: TextOverflow.fade,
+              softWrap: false,
+              style: TextStyle(
+                  fontSize: 16.0
+              ),
+            ),
+          ),
+          _buildActionWidget()
+        ],
+      ),
+    );
+  }
+
+  Widget _buildActionWidget() {
+    return Padding(
+        padding: EdgeInsets.fromLTRB(0.0, 0.0, 14.0, 0.0),
+        child: Text(
+            "${_state}${this.unitOfMeasurement}",
+            textAlign: TextAlign.right,
+            style: new TextStyle(
+              fontSize: 16.0,
+            )
+        )
+    );
+  }
+}
+
+class SwitchEntity extends Entity {
+
+  SwitchEntity(Map rawData) : super(rawData);
+
+  @override
+  Widget _buildActionWidget() {
+    return Switch(
+      value: this.isOn,
+      onChanged: ((switchState) {
+        eventBus.fire(new ServiceCallEvent(_domain, switchState ? "turn_on" : "turn_off", entityId, null));
+      }),
+    );
+  }
+
+}
+
+class ButtonEntity extends Entity {
+
+  ButtonEntity(Map rawData) : super(rawData);
+
+  @override
+  Widget _buildActionWidget() {
+    return FlatButton(
+      onPressed: (() {
+        eventBus.fire(new ServiceCallEvent(_domain, "turn_on", _entityId, null));
+      }),
+      child: Text(
+        "EXECUTE",
+        textAlign: TextAlign.right,
+        style: new TextStyle(fontSize: 16.0, color: Colors.blue),
+      ),
+    );
+  }
+
+}
+
+class InputEntity extends Entity {
+
+  InputEntity(Map rawData) : super(rawData);
+
+  @override
+  Widget _buildActionWidget() {
+    if (this.isSlider) {
+      return Container(
+        width: 200.0,
+        child: Row(
+          children: <Widget>[
+            Expanded(
+              child: Slider(
+                min: this.minValue*10,
+                max: this.maxValue*10,
+                value: this.doubleState*10,
+                divisions: this.getValueDivisions(),
+                onChanged: (value) {
+                  eventBus.fire(new StateChangedEvent(_entityId, (value.roundToDouble() / 10).toString(), true));
+                },
+                onChangeEnd: (value) {
+                  eventBus.fire(new ServiceCallEvent(_domain, "set_value", _entityId,{"value": "${_state}"}));
+                },
+              ),
+            ),
+            Padding(
+              padding: EdgeInsets.only(right: 16.0),
+              child: Text(
+                  "${_state}${this.unitOfMeasurement}",
+                  textAlign: TextAlign.right,
+                  style: new TextStyle(
+                    fontSize: 16.0,
+                  )
+              ),
+            )
+          ],
+        ),
+      );
+    } else {
+      //TODO draw box instead of slider
+      return Text("Not implemented");
+    }
+  }
+
 }