fis_lib_report/lib/pages/rt_table.dart

import 'dart:math';

import 'package:fis_lib_report/converts/alignment_convert.dart';
import 'package:fis_lib_report/converts/pt_to_px_converter.dart';
import 'package:fis_lib_report/pages/rt_cell.dart';
import 'package:fis_lib_report/report/cellPostion.dart';
import 'package:fis_lib_report/report/interfaces/block_element.dart';
import 'package:fis_lib_report/report/interfaces/cell.dart';
import 'package:fis_lib_report/report/interfaces/rt_table.dart';
import 'package:fis_lib_report/report/rt_Cell.dart';
import 'package:fis_lib_report/report/rt_table.dart';
import 'package:flutter/cupertino.dart';

class RTTablePage extends StatefulWidget {
  const RTTablePage({required this.element, Key? key}) : super(key: key);

  final RTTable element;

  @override
  State<StatefulWidget> createState() {
    return _RTTableState();
  }
}

class _RTTableState extends State<RTTablePage> {
  Map<CellPostion, ICell>? _cells;
  List<ICell>? _values = [];
  int? _column;
  int? _row;
  double _width = 0;

  @override
  initState() {
    super.initState();
  }

  @override
  Widget build(BuildContext context) {
    initCells();
    List<Widget> widgets = [];
    for (int i = 0; i < _row! - 1; i++) {
      final children = _cells!.keys.where((element) => element.row! == i);
      List<Widget> childwidgets = [];
      children.forEach((cellPostion) {
        double width =
            widget.element.columnDefinitions![cellPostion.column!].width ?? 0.0;
        if (cellPostion.columnSpan! > 1) {
          for (int i = 1; i < cellPostion.columnSpan!; i++) {
            width += widget.element.columnDefinitions![cellPostion.column! + i]
                    .width ??
                0.0;
          }
        }
        double height =
            widget.element.rowDefinitions![cellPostion.row!].height ?? 0.0;
        if (cellPostion.rowSpan! > 1) {
          for (int i = 1; i < cellPostion.rowSpan!; i++) {
            height += widget
                    .element.rowDefinitions![cellPostion.row! + i - 1].height ??
                0.0;
          }
        }

        final cell = _cells![cellPostion];
        RTCell c = cell as RTCell;
        childwidgets.add(
          SizedBox(
            width: PtToPxConverter.ptToPx(width),
            height: PtToPxConverter.ptToPx(height),
            child: RTCellPage(
              cell: c,
            ),
          ),
        );
      });
      final row = SizedBox(
        child: Row(
          //mainAxisAlignment: MainAxisAlignment.center,
          children: childwidgets,
        ),
      );

      widgets.add(row);
    }
    return Container(
      alignment: AlignmentConvert.horizontalConvert(
          widget.element.horizontalAlignment),
      child: Column(
        mainAxisAlignment: AlignmentConvert.horizontalToMainConvert(
            widget.element.horizontalAlignment),
        children: widgets,
      ),
    );
  }

  void initCells() {
    _cells = widget.element.cells ?? {};
    List<CellPostion> cellPostions = _cells!.keys.toList();
    cellPostions.sort(((a, b) => (b.column!).compareTo(a.column!)));
    // +1 为列数
    _column = cellPostions.first.column! + 1;
    _values = _cells!.values.toList();
    for (int i = 0; i < _column! - 1; i++) {
      _width += widget.element.columnDefinitions![i].width!;
    }

    _row = widget.element.rowDefinitions!.length + 1;
  }
}