59 lines
1.9 KiB
Dart
59 lines
1.9 KiB
Dart
import 'package:flutter/foundation.dart';
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import 'package:flutter/material.dart';
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import 'package:mchess/chess/chess_square.dart';
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import 'package:mchess/chess_bloc/chess_bloc.dart';
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import 'package:mchess/chess_bloc/tap_bloc.dart';
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import 'package:mchess/utils/chess_utils.dart';
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class ChessSquareInnerDraggable extends StatelessWidget {
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const ChessSquareInnerDraggable({
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super.key,
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required this.coordinate,
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required this.containedPiece,
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});
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final ChessCoordinate coordinate;
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final ChessPiece? containedPiece;
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@override
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Widget build(BuildContext context) {
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double windowWidth = MediaQuery.of(context).size.width;
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double windowHeight = MediaQuery.of(context).size.height;
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double draggableFdbSize;
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var canMove = (ChessBloc.turnColor == ChessBloc.myColor) &&
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(containedPiece?.color == ChessBloc.turnColor);
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var maxDrags = kDebugMode ? 1 : (canMove ? 1 : 0);
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if (windowWidth < windowHeight) {
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draggableFdbSize = 0.15 * windowWidth;
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} else {
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draggableFdbSize = 0.15 * windowHeight;
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}
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return SizedBox(
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width: ChessSquare.pieceWidth,
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height: ChessSquare.pieceWidth,
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child: Draggable<PieceDragged>(
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/* We create the move with the startSquare == endSquare. The receiving widget will give the correct value to end square. */
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data: PieceDragged(coordinate, coordinate, containedPiece),
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maxSimultaneousDrags: maxDrags,
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feedback: FractionalTranslation(
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translation: const Offset(-0.5, -0.75),
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child: SizedBox(
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height: draggableFdbSize,
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width: draggableFdbSize,
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child: containedPiece),
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),
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childWhenDragging: Container(),
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dragAnchorStrategy: pointerDragAnchorStrategy,
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child: containedPiece ?? Container(),
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onDragCompleted: () {},
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onDragStarted: () {
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TapBloc().add(CancelTapEvent());
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},
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),
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);
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}
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}
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