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a91dd07cb3
Introduce a Draggable class that wraps all the logic of dragging something and dropping it on a DragTarget. Update examples/widgets/drag_and_drop.dart accordingly. Make the performance/transition part of routes optional.
72 lines
2.2 KiB
Dart
72 lines
2.2 KiB
Dart
import 'package:sky/src/fn3.dart';
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import 'package:test/test.dart';
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import '../engine/mock_events.dart';
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import '../fn3/widget_tester.dart';
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void main() {
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test('Drag and drop - control test', () {
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WidgetTester tester = new WidgetTester();
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TestPointer pointer = new TestPointer(7);
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List accepted = [];
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tester.pumpFrame(new Navigator(
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routes: {
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'/': (NavigatorState navigator, Route route) { return new Column([
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new Draggable(
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navigator: navigator,
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data: 1,
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child: new Text('Source'),
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feedback: new Text('Dragging')
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),
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new DragTarget(
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builder: (context, data, rejects) {
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return new Container(
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height: 100.0,
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child: new Text('Target')
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);
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},
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onAccept: (data) {
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accepted.add(data);
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}
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),
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]);
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},
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}
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));
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expect(accepted, isEmpty);
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expect(tester.findText('Source'), isNotNull);
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expect(tester.findText('Dragging'), isNull);
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expect(tester.findText('Target'), isNotNull);
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Point firstLocation = tester.getCenter(tester.findText('Source'));
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tester.dispatchEvent(pointer.down(firstLocation), firstLocation);
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tester.pumpFrameWithoutChange();
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expect(accepted, isEmpty);
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expect(tester.findText('Source'), isNotNull);
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expect(tester.findText('Dragging'), isNotNull);
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expect(tester.findText('Target'), isNotNull);
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Point secondLocation = tester.getCenter(tester.findText('Target'));
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tester.dispatchEvent(pointer.move(secondLocation), firstLocation);
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tester.pumpFrameWithoutChange();
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expect(accepted, isEmpty);
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expect(tester.findText('Source'), isNotNull);
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expect(tester.findText('Dragging'), isNotNull);
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expect(tester.findText('Target'), isNotNull);
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tester.dispatchEvent(pointer.up(), firstLocation);
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tester.pumpFrameWithoutChange();
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expect(accepted, equals([1]));
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expect(tester.findText('Source'), isNotNull);
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expect(tester.findText('Dragging'), isNull);
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expect(tester.findText('Target'), isNotNull);
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});
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}
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