This gets croupier going with some draggables.
diff --git a/lib/main.dart b/lib/main.dart
index fb389e4..84943fa 100644
--- a/lib/main.dart
+++ b/lib/main.dart
@@ -1,9 +1,11 @@
-import 'package:sky/widgets/basic.dart';
+//import 'package:sky/widgets/basic.dart';
-import 'card.dart';
+import 'card.dart' as card;
import 'my_button.dart';
import 'dart:sky' as sky;
import 'package:vector_math/vector_math.dart' as vector_math;
+import 'package:sky/theme/colors.dart' as colors;
+import 'package:sky/widgets.dart';
class HelloWorldApp extends App {
int counter = 0;
@@ -14,7 +16,17 @@
double dx = 0.0;
double dy = 0.0;
- Transform makeTransform() {
+ // Used for drag/drop of the square
+ DragController _dragController;
+ Offset _displacement = Offset.zero;
+
+ // Positioning of the dotX and dotY
+ double dotX = 10.0;
+ double dotY = 10.0 + sky.view.paddingTop;
+
+ String debug3 = '';
+
+ Container makeTransform() {
return new Container(
child: new MyButton(
child: new Text('Engage'),
@@ -71,6 +83,48 @@
});
}
+ EventDisposition _startDrag(sky.PointerEvent event) {
+ setState(() {
+ _dragController = new DragController(new DragData("Orange"));
+ _dragController.update(new Point(event.x, event.y));
+ _displacement = Offset.zero;
+ debug3 = "START ${event.x.toStringAsFixed(3)} ${event.y.toStringAsFixed(3)}";
+ });
+ return EventDisposition.consumed;
+ }
+
+ EventDisposition _updateDrag(sky.PointerEvent event) {
+ setState(() {
+ _dragController.update(new Point(event.x, event.y));
+ _displacement += new Offset(event.dx, event.dy);
+ debug3 = "DRAG ${event.x.toStringAsFixed(3)} ${event.y.toStringAsFixed(3)}";
+ });
+ return EventDisposition.consumed;
+ }
+
+ EventDisposition _cancelDrag(sky.PointerEvent event) {
+ setState(() {
+ _dragController.cancel();
+ _dragController = null;
+ debug3 = "CANCELED";
+ });
+ return EventDisposition.consumed;
+ }
+
+ EventDisposition _drop(sky.PointerEvent event) {
+ setState(() {
+ _dragController.update(new Point(event.x, event.y));
+ _dragController.drop();
+ _dragController = null;
+
+ dotX += _displacement.dx;
+ dotY += _displacement.dy;
+ _displacement = Offset.zero;
+ debug3 = "DROP ${event.x.toStringAsFixed(3)} ${event.y.toStringAsFixed(3)}";
+ });
+ return EventDisposition.consumed;
+ }
+
Widget build() {
return new Center(child: new Flex([
new Center(child: new Text('Hello, world!')),
@@ -80,31 +134,107 @@
new Center(child: new MyToolBar()),
makeTransform(),
new Flex([
- new CardComponent(new Card.fromString("classic h1"), true),
- new CardComponent(new Card.fromString("classic sk"), true),
- new CardComponent(new Card.fromString("classic d5"), true)
- ])
+ new card.CardComponent(new card.Card.fromString("classic h1"), true),
+ new card.CardComponent(new card.Card.fromString("classic sk"), true),
+ new card.CardComponent(new card.Card.fromString("classic d5"), true)
+ ]),
+ new Center(child: new Text('Drag: ${debug3}')),
+ new Center(child: new Text('X, Y: ${dotX} ${dotY}')),
+ new Container(
+ decoration: new BoxDecoration(backgroundColor: colors.Pink[500]),
+ child: new Stack([
+ new Flex([
+ new ExampleDragTarget(),
+ new ExampleDragTarget()
+ ]),
+ new Positioned(
+ top: _dragController != null ? dotY + _displacement.dy : -1000.0,
+ left: _dragController != null ? dotX + _displacement.dx : -1000.0,
+ child: new IgnorePointer(
+ child: new Opacity(
+ opacity: 1.0,
+ child: new Dot()
+ )
+ )
+ ),
+ new Listener(
+ onPointerDown: _startDrag,
+ onPointerMove: _updateDrag,
+ onPointerCancel: _cancelDrag,
+ onPointerUp: _drop,
+ child: new Positioned(
+ top: dotY,
+ left: dotX,
+ child: new Opacity(
+ opacity: _dragController != null ? 0.0 : 1.0,
+ child: new Dot()
+ )
+ )
+ )
+ ])
+ )
], direction: FlexDirection.vertical));
}
}
+class Dot extends Component {
+ Widget build() {
+ return new Container(
+ width: 50.0,
+ height: 50.0,
+ decoration: new BoxDecoration(
+ backgroundColor: colors.DeepOrange[500]
+ )
+ );
+ }
+}
+
+class DragData {
+ DragData(this.text);
+
+ final String text;
+}
+
+class ExampleDragTarget extends StatefulComponent {
+ String _text = 'ready';
+
+ void syncFields(ExampleDragTarget source) {
+ }
+
+ void _handleAccept(DragData data) {
+ setState(() {
+ _text = data.text;
+ });
+ }
+
+ Widget build() {
+ return new DragTarget<DragData>(
+ onAccept: _handleAccept,
+ builder: (List<DragData> data, _) {
+ return new Container(
+ width: 100.0,
+ height: 100.0,
+ margin: new EdgeDims.all(10.0),
+ decoration: new BoxDecoration(
+ border: new Border.all(
+ width: 3.0,
+ color: data.isEmpty ? colors.white : colors.Blue[500]
+ ),
+ backgroundColor: data.isEmpty ? colors.Grey[500] : colors.Green[500]
+ ),
+ child: new Center(
+ child: new Text(_text)
+ )
+ );
+ }
+ );
+ }
+}
+
void main() {
runApp(new HelloWorldApp());
}
-/*import 'package:sky/widgets/basic.dart';
-
-
-class DemoApp extends App {
- Widget build() {
- return new Center(child: new MyToolBar());
- }
-}
-
-void main() {
- runApp(new DemoApp());
-}*/
-
class MyToolBar extends Component {
Widget build() {
return new Container(
diff --git a/pubspec.yaml b/pubspec.yaml
index ef1200b..a8ad234 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,4 +1,4 @@
name: your_app_name
dependencies:
sky: any
- sky_tools: any
+ sky_tools: any
\ No newline at end of file
