Line data    Source code

       1              : // Copyright 2023 The terCAD team. All rights reserved.
       2              : // Use of this source code is governed by a CC BY-NC-ND 4.0 license that can be found in the LICENSE file.
       3              : 
       4              : import 'package:app_finance/_classes/herald/app_design.dart';
       5              : import 'package:app_finance/_configs/theme_helper.dart';
       6              : import 'package:material_ui/material_ui.dart';
       7              : 
       8              : class RowWidget extends StatelessWidget {
       9              :   late final List<double> chunk;
      10              :   final List<List<Widget>> children;
      11              :   final double indent;
      12              :   final double maxWidth;
      13              :   final MainAxisAlignment alignment;
      14              : 
      15            6 :   RowWidget({
      16              :     required List<double?> chunk,
      17              :     required this.children,
      18              :     required this.indent,
      19              :     required this.maxWidth,
      20              :     this.alignment = MainAxisAlignment.spaceBetween,
      21              :     super.key,
      22              :   }) {
      23            6 :     List<double?> scope = [...chunk];
      24           18 :     int restCount = scope.where((e) => e == null).length;
      25              :     double takenWidth = 0;
      26           36 :     double width = maxWidth - indent * (scope.length - 1);
      27           18 :     for (int i = 0; i < scope.length; i++) {
      28            6 :       if (scope[i] == null) {
      29              :         continue;
      30              :       }
      31            6 :       double value = scope[i]!;
      32           12 :       if (value > 0 && value < 1) {
      33            4 :         scope[i] = value * width;
      34            4 :         takenWidth += scope[i]!;
      35              :       } else {
      36            6 :         takenWidth += value;
      37              :       }
      38              :     }
      39            6 :     if (takenWidth > width) {
      40            0 :       double cut = (width - takenWidth) / (scope.length - restCount);
      41            0 :       scope = scope.map((value) => value != null ? value + cut : null).toList();
      42              :       takenWidth = width;
      43              :     }
      44            6 :     if (restCount > 0) {
      45           12 :       double rest = (width - takenWidth) / restCount;
      46           18 :       scope = scope.map((value) => value ?? rest).toList();
      47              :     }
      48           12 :     this.chunk = scope.cast<double>();
      49              :   }
      50              : 
      51            6 :   @override
      52              :   Widget build(BuildContext context) {
      53           24 :     final size = 2 * chunk.length - 1;
      54            6 :     return SizedBox(
      55            6 :       width: maxWidth,
      56            6 :       child: Row(
      57            6 :         crossAxisAlignment: AppDesign.getAlignment(),
      58              :         verticalDirection: VerticalDirection.down,
      59            6 :         mainAxisAlignment: alignment,
      60              :         // mainAxisAlignment: AppDesign.getAlignment<MainAxisAlignment>(),
      61           12 :         children: List<Widget>.generate(size, (index) {
      62           18 :           final idx = AppDesign.getAlignment() == CrossAxisAlignment.start ? index ~/ 2 : (size - index) ~/ 2;
      63           12 :           if (index % 2 == 1) {
      64           12 :             return SizedBox(width: indent);
      65           18 :           } else if (chunk[idx] > 0) {
      66            6 :             return SizedBox(
      67           12 :               width: chunk[idx],
      68            6 :               child: Column(
      69            6 :                 crossAxisAlignment: AppDesign.getAlignment(),
      70            6 :                 mainAxisAlignment: AppDesign.getAlignment<MainAxisAlignment>(),
      71              :                 verticalDirection: VerticalDirection.down,
      72           12 :                 children: children[idx],
      73              :               ),
      74              :             );
      75              :           } else {
      76              :             return ThemeHelper.emptyBox;
      77              :           }
      78              :         }),
      79              :       ),
      80              :     );
      81              :   }
      82              : }