fis_lib_report/lib/pages/components/static_text.dart

import 'package:fis_lib_report/converts/pt_to_px_converter.dart';
import 'package:fis_lib_report/report/static_text.dart';
import 'package:fis_lib_report/report_info/report_info.dart';
import 'package:fis_lib_report/report_info/static_text_info.dart';
import 'package:fis_ui/index.dart';
import 'package:flutter/material.dart';

class FStaticText extends StatefulWidget implements FWidget {
  const FStaticText(this.staticText, {Key? key}) : super(key: key);
  final StaticText staticText;

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

class _FStaticTextState extends State<FStaticText> {
  _FStaticTextState();

  double _fontSize = 15.0;
  TextStyle _style = const TextStyle();
  Color _fontColor = Colors.black;
  Color _backgroundColor = const Color.fromARGB(255, 255, 255, 255);
  EdgeInsets _margin = const EdgeInsets.all(0);
  StaticTextInfo? _staticTextInfo;

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

  @override
  FWidget build(BuildContext context) {
    initDatas();
    String text =
        _staticTextInfo?.text.replaceAll(RegExp(r'[\r\n]+'), '') ?? '';

    List<FWidget> emptySpaces = [];
    final containsSpace = text.contains('     ');
    RegExp regex = RegExp(r"^\s+");
    var match = regex.firstMatch(text);
    int preTextSpacesConut = 0;
    if (match != null) {
      String spaces = match.group(0) ?? '';
      preTextSpacesConut = spaces.length;
    }
    if (containsSpace) {
      int trailingSpaces = text.length - text.trimRight().length;
      if (trailingSpaces >= 30) {
        text = text.trim();
        emptySpaces.add(FText(text));
        emptySpaces.add(const FExpanded(child: FSizedBox()));
      } else if (preTextSpacesConut >= 5 && !text.contains('检查医师')) {
        ///这个检查医师是为了兼容“苏州阳光护理院”这个模板中的空格
        emptySpaces.add(const FExpanded(child: FSizedBox()));
        text = text.trim();
        emptySpaces.add(FText(text));
      } else {
        for (var i = 0; i < text.length; i++) {
          if (text[i] != ' ') {
            emptySpaces.add(
              FText(
                text[i],
                style: _style,
              ),
            );
          } else {
            emptySpaces.add(FSizedBox(
              width: _fontSize > 20 ? 15 : 7.5,
            ));
          }
        }
      }
    }

    var aliment = CrossAxisAlignment.start;
    double? width = widget.staticText.lineWidth! > 0
        ? PtToPxConverter.ptToPx(widget.staticText.lineWidth!) - 3
        : null;
    if (widget.staticText.lineLength != null &&
        widget.staticText.lineLength! < 5 &&
        width != null) {
      if (widget.staticText.lineLength! <= 3 &&
          _fontSize <= 10.5 &&
          width > 90) {
        width = 60;
      } else {
        width = width - 2;
      }
    }

    return FColumn(
      mainAxisAlignment: MainAxisAlignment.center,
      crossAxisAlignment: aliment,
      children: [
        FContainer(
          margin: _margin,
          width: width,
          child: containsSpace
              ? FRow(mainAxisSize: MainAxisSize.min, children: emptySpaces)
              : FText(
                  (text),
                  style: _style,
                ),
        ),
      ],
    );
  }

  void initDatas() {
    final staticTextInfo =
        FReportInfo.instance.getElementInfo(widget.staticText);
    if (staticTextInfo != null) {
      _staticTextInfo = staticTextInfo as StaticTextInfo;
    }
    _fontSize = widget.staticText.fontSize ?? 15.0;
    //TODO(Loki):常规模板暂未设置fontStyles，后续再支持
    final fontColor = widget.staticText.fontColor;
    if (fontColor != null) {
      _fontColor = Color.fromARGB(
          fontColor.a!, fontColor.r!, fontColor.g!, fontColor.b!);
    }
    final backgroundColor = widget.staticText.background;
    if (backgroundColor != null) {
      _backgroundColor = Color.fromARGB(backgroundColor.a!, backgroundColor.r!,
          backgroundColor.g!, backgroundColor.b!);
      if (_backgroundColor == Colors.white) {
        _backgroundColor = Colors.transparent;
      }
    }
    final margin = widget.staticText.margin;
    if (margin != null) {
      _margin = EdgeInsets.only(
          top: margin.top ?? 0,
          bottom: margin.bottom ?? 0,
          left: margin.left ?? 0,
          right: margin.right ?? 0);
    }
    _style = TextStyle(
      fontSize: PtToPxConverter.ptToPx(_fontSize < 10 ? 8 : _fontSize),
      color: _fontColor,
      backgroundColor: _backgroundColor,
    );
  }
}