Project structure change in progress

lib/entities/slider/widgets/slider_controls.dart

@@ -0,0 +1,70 @@
+part of '../../../main.dart';
+
+class SliderControlsWidget extends StatefulWidget {
+
+  SliderControlsWidget({Key key}) : super(key: key);
+
+  @override
+  _SliderControlsWidgetState createState() => _SliderControlsWidgetState();
+}
+
+class _SliderControlsWidgetState extends State<SliderControlsWidget> {
+  int _multiplier = 1;
+  double _newValue;
+  bool _changedHere = false;
+
+  void setNewState(newValue, domain, entityId) {
+    setState(() {
+      _newValue = newValue;
+      _changedHere = true;
+    });
+    eventBus.fire(new ServiceCallEvent(domain, "set_value", entityId,
+        {"value": "${newValue.toString()}"}));
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    final entityModel = EntityModel.of(context);
+    final SliderEntity entity = entityModel.entityWrapper.entity;
+    if (entity.valueStep < 1) {
+      _multiplier = 10;
+    } else if (entity.valueStep < 0.1) {
+      _multiplier = 100;
+    }
+    if (!_changedHere) {
+      _newValue = entity.doubleState;
+    } else {
+      _changedHere = false;
+    }
+    Widget slider = Slider(
+      min: entity.minValue * _multiplier,
+      max: entity.maxValue * _multiplier,
+      value: (_newValue <= entity.maxValue) &&
+          (_newValue >= entity.minValue)
+          ? _newValue * _multiplier
+          : entity.minValue * _multiplier,
+      onChanged: (value) {
+        setState(() {
+          _newValue = (value.roundToDouble() / _multiplier);
+          _changedHere = true;
+        });
+      },
+      onChangeEnd: (value) {
+        setNewState(value.roundToDouble() / _multiplier, entity.domain, entity.entityId);
+      },
+    );
+    return Column(
+      crossAxisAlignment: CrossAxisAlignment.center,
+      children: <Widget>[
+        Text(
+          "$_newValue",
+          style: TextStyle(
+            fontSize: Sizes.largeFontSize,
+            color: Colors.blue
+          ),
+        ),
+        slider
+      ],
+    );
+  }
+}