08. syncfusion_flutter_datagrid 추상클래스 제네릭화

작업을 하다가 3~4회정도 중복 클래스에서 변경하기 귀찮은 내용이 생겨서 문제가 더 커지기 전에 처리

추가로 더 만들어야할 내용은 굳이 처리하지 않았음. 필요시 처리하면 될듯해서..

dependencies:
  flutter:
    sdk: flutter

  flutter_localizations:
    sdk: flutter

  syncfusion_flutter_datagrid: ^20.2.46
  intl: ^0.17.0

 

import 'package:flutter/material.dart';
import 'package:simple/utils/custom/custom_grid_column.dart';
import 'package:syncfusion_flutter_datagrid/datagrid.dart';

abstract class ParentDataGrid<Model, Service> extends DataGridSource {
  ParentDataGrid(this.modelList, this.service, this._dataGridController) {
   customGridColumn = CustomGridColumn();
   buildDataGridRow();
  }

  late final DataGridController _dataGridController;
  TextEditingController editingController = TextEditingController();
  List<DataGridRow> dataGridRows = [];
  List<Model> modelList = [];
  late CustomGridColumn customGridColumn;
  late Service service;
  dynamic newCellValue;
  final int _rowsPerPage = 15;
  final double _dataPagerHeight = 60.0;

  @override
  List<DataGridRow> get rows => dataGridRows;

  @override
  Future<void> handleRefresh() async {
    buildDataGridRow();
    notifyListeners();
  }

  @override
  void onCellSubmit(DataGridRow dataGridRow, RowColumnIndex rowColumnIndex, GridColumn column);

  @override
  Widget? buildEditWidget(DataGridRow dataGridRow, RowColumnIndex rowColumnIndex, GridColumn column, CellSubmit submitCell);

  void buildDataGridRow();

  List<GridColumn> getColumns();
}

 

import 'package:flutter/material.dart';
import 'package:simple/datagrid/parent/parent_datagrid.dart';
import 'package:simple/model/estimate/estimate_model.dart';
import 'package:simple/services/estimate/estimate_service.dart';
import 'package:syncfusion_flutter_datagrid/datagrid.dart';

class EstimateDataGrid extends ParentDataGrid<EstimateModel, EstimateService> {
  EstimateDataGrid(super.modelList, super.service, super.dataGridController);

  @override
  void buildDataGridRow() {
    dataGridRows = super.modelList.map<DataGridRow>((dataGridRow) {
      return DataGridRow(cells: [
        DataGridCell<String>(columnName: 'name', value: dataGridRow.name),
        /*DataGridCell<String>(columnName: 'number', value: dataGridRow.number),
        DataGridCell<String>(columnName: 'registrationNumber', value: dataGridRow.registrationNumber),
        DataGridCell<String>(columnName: 'conditions', value: dataGridRow.conditions),
        DataGridCell<String>(columnName: 'type', value: dataGridRow.type),*/

        const DataGridCell<Widget>(columnName: 'update', value: null),
        const DataGridCell<Widget>(columnName: 'delete', value: null),
      ]);
    }).toList(growable: false);
  }

  @override
  DataGridRowAdapter? buildRow(DataGridRow row) {
    return DataGridRowAdapter(
        cells: row.getCells().map<Widget>((dataGridCell) {
          return Container(
              alignment: Alignment.center,
              padding: const EdgeInsets.symmetric(horizontal: 16.0),
              child:
              dataGridCell.columnName == "update" || dataGridCell.columnName.contains("delete")
                  ? LayoutBuilder(
                  builder: (BuildContext context, BoxConstraints constraints) {
                    return ElevatedButton(
                        onPressed: () async {
                          String name = row.getCells()[0].value.toString();
                          String number = row.getCells()[1].value.toString();
                          String registrationNumber = row.getCells()[2].value.toString();

                          if(dataGridCell.columnName == "update") {

                          } else {
                            /*bool isDeleteResult = await customerService.delete(name, number, registrationNumber);

                            if(isDeleteResult) {
                              //https://help.syncfusion.com/flutter/datagrid/selection
                              customerModelList.removeWhere((element) => element.name == name && element.number == number && element.registrationNumber == registrationNumber);

                              await handleRefresh();
                            }*/
                          }
                        },
                        child: dataGridCell.columnName == "update" ?  const Text('수정') : const Text('삭제'));
                  })
                  : Text(dataGridCell.value.toString(), overflow: TextOverflow.ellipsis)
          );
        }).toList());
  }

  @override
  void onCellSubmit(DataGridRow dataGridRow, RowColumnIndex rowColumnIndex, GridColumn column) {

  }

  @override
  Widget? buildEditWidget(DataGridRow dataGridRow,
      RowColumnIndex rowColumnIndex, GridColumn column, CellSubmit submitCell) {
        return null;
  }

  @override
  List<GridColumn> getColumns() {
    return <GridColumn>[
      customGridColumn.getCustomGridColumn("name", "상호", alignment: Alignment.center),

      customGridColumn.getCustomGridColumn("update", "수정"),
      customGridColumn.getCustomGridColumn("delete", "삭제"),
    ];
  }
}

 

import 'package:json_annotation/json_annotation.dart';

@JsonSerializable()
class EstimateModel {
  @JsonKey(name: "name")
  String name;

  EstimateModel({
    required this.name,
  });

  factory EstimateModel.fromJson(Map<String, dynamic> json) {
    return EstimateModel(
      name: json['name'],
    );
  }

  Map<String, dynamic> toJson() {
    final map = <String, dynamic> {
      'name' : name,
    };

    return map;
  }

  @override
  String toString() {
    StringBuffer buffer = StringBuffer();
    buffer.write("상호: $name \n");

    return buffer.toString();
  }
}

 

import 'package:flutter/material.dart';
import 'package:simple/commons/text/text_information.dart';
import 'package:simple/model/estimate/estimate_model.dart';
import 'package:simple/model/estimate/estimate_model_list.dart';
import 'package:simple/model/http/http_header_model.dart';
import 'package:simple/model/http/http_response_result.dart';
import 'package:simple/utils/dialog/custom_dialog.dart';
import 'package:simple/utils/dialog/dialog_action.dart';
import 'package:simple/utils/http/http_request.dart';
import 'package:simple/utils/http/http_url.dart';

class EstimateService {
  final BuildContext context;

  EstimateService(this.context);
}