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/_classes/storage/app_preferences.dart';
       6             : import 'package:app_finance/_configs/theme_helper.dart';
       7             : import 'package:app_finance/_ext/build_context_ext.dart';
       8             : import 'package:app_finance/_ext/string_ext.dart';
       9             : import 'package:app_finance/components/_core/components_builder_item.dart';
      10             : import 'package:app_finance/components/_core/component_data.dart';
      11             : import 'package:app_finance/components/_core/widgets/draggable_frame.dart';
      12             : import 'package:flutter/material.dart';
      13             : import 'package:flutter_grid_layout/flutter_grid_layout.dart';
      14             : 
      15             : class ComponentsBuilder extends StatelessWidget {
      16             :   final List<ComponentData> data;
      17             :   final bool editMode;
      18             :   final Function? adjust;
      19             :   final Function? delete;
      20             :   final _shift = componentData.shift;
      21             :   final _order = componentData.order;
      22             :   final _start = componentData.start;
      23             :   final _end = componentData.end;
      24             : 
      25           0 :   ComponentsBuilder(
      26             :     this.data, {
      27             :     super.key,
      28             :     this.editMode = false,
      29             :     this.adjust,
      30             :     this.delete,
      31             :   });
      32             : 
      33           3 :   static String getKey(BuildContext context) =>
      34          15 :       'cmp${ThemeHelper.getWidth(context).toInt()}x${ThemeHelper.getHeight(context).toInt()}';
      35             : 
      36           3 :   static List<ComponentData>? getData(BuildContext context) =>
      37           6 :       AppPreferences.get(getKey(context))?.toList<ComponentData>();
      38             : 
      39           0 :   void resize(ComponentData change, Size start) {
      40           0 :     final scope = data[change[_order]];
      41           0 :     scope[_order] = change[_order];
      42           0 :     if (change[_shift] != null) {
      43           0 :       scope[componentData.endX] += start.width - scope[componentData.startX];
      44           0 :       scope[componentData.endY] += start.height - scope[componentData.startY];
      45           0 :       scope[componentData.startX] = start.width;
      46           0 :       scope[componentData.startY] = start.height;
      47           0 :     } else if (change[_start] != null) {
      48           0 :       scope[componentData.startX] = start.width;
      49           0 :       scope[componentData.startY] = start.height;
      50           0 :     } else if (change[_end] != null) {
      51           0 :       scope[componentData.endX] = start.width + 1.0;
      52           0 :       scope[componentData.endY] = start.height + 1.0;
      53             :     }
      54           0 :     adjust!(scope[_order], scope);
      55             :   }
      56             : 
      57           0 :   @override
      58             :   Widget build(BuildContext context) {
      59           0 :     final isVertical = ThemeHelper.getWidth(context) < ThemeHelper.getHeight(context);
      60             :     final rowsCount = (isVertical ? 6 : 12);
      61             :     final columnsCount = (isVertical ? 12 : 6);
      62           0 :     return GridContainer(
      63           0 :       alignment: AppDesign.getAlignment<MainAxisAlignment>(),
      64           0 :       rows: List.filled(rowsCount, null),
      65           0 :       columns: List.filled(columnsCount, null),
      66           0 :       children: editMode
      67           0 :           ? [
      68           0 :               ...List.generate(72, (i) {
      69           0 :                 final start = Size(i % rowsCount.toDouble(), (i ~/ rowsCount).toDouble());
      70           0 :                 return GridItem(
      71             :                   start: start,
      72           0 :                   end: Size(start.width + 1, start.height + 1),
      73             :                   order: 0,
      74           0 :                   child: DragTarget<ComponentData>(
      75           0 :                     onWillAccept: (_) => true,
      76           0 :                     onAccept: (change) => resize(change, start),
      77           0 :                     builder: (context, candidateData, rejectedData) => Container(
      78           0 :                       decoration: BoxDecoration(
      79           0 :                         border: Border.all(color: context.colorScheme.secondary.withOpacity(0.1)),
      80           0 :                         color: candidateData.isEmpty ? null : Colors.green.shade200,
      81             :                       ),
      82             :                     ),
      83             :                   ),
      84             :                 );
      85             :               }),
      86           0 :               ...List.generate(
      87           0 :                 data.length,
      88           0 :                 (i) => GridItem(
      89           0 :                   start: Size(data[i][componentData.startX] + .0, data[i][componentData.startY] + .0),
      90           0 :                   end: Size(data[i][componentData.endX] + .0, data[i][componentData.endY] + .0),
      91           0 :                   order: i + 1,
      92           0 :                   child: DraggableFrame({...data[i], _order: i}, delete: delete!, adjust: adjust!),
      93             :                 ),
      94             :               ),
      95             :             ]
      96           0 :           : List.generate(
      97           0 :               data.length,
      98           0 :               (i) => GridItem(
      99           0 :                     start: Size(data[i][componentData.startX] + .0, data[i][componentData.startY] + .0),
     100           0 :                     end: Size(data[i][componentData.endX] + .0, data[i][componentData.endY] + .0),
     101           0 :                     child: ComponentsBuilderItem({...data[i], _order: i}),
     102             :                   )),
     103             :     );
     104             :   }
     105             : }