Hibok/lib/home/MyDialogContent.dart

//用于刷新DialogContent
import 'package:chat/data/constants.dart';
import 'package:chat/generated/i18n.dart';
import 'package:flutter/material.dart';

import 'package:oktoast/oktoast.dart';

class MyDialogContent extends StatefulWidget {
  final dataMap;
  final keyList;
  @required
  final mostNum;
  MyDialogContent({Key key, this.dataMap, this.keyList, this.mostNum})
      : super(key: key);

  _MyDialogContentState createState() => _MyDialogContentState();
}

class _MyDialogContentState extends State<MyDialogContent> {
  @override
  Widget build(BuildContext context) {
    Widget buildItem(key, str) {
      Text text = new Text(str,
          textScaleFactor: 1.0,
          style: TextStyle(
              fontSize: 14,
              color: widget.keyList.contains(key)
                  ? Constants.BlueTextColor
                  : Constants.BlackTextColor));
      return InkWell(
        highlightColor: Colors.transparent,
        radius: 0.0,
        child: Container(
            decoration: BoxDecoration(
              border: Border(bottom: Constants.GreyBorderSide),
            ),
            height: 50,
            alignment: Alignment.center,
            child: text),
        onTap: () {
          setState(() {
            if (widget.keyList.contains(key)) {
              widget.keyList.remove(key);
            } else {
              if (widget.keyList.length >= widget.mostNum) {
                showToast(I18n.of(context)
                    .most
                    .replaceFirst('/s1', widget.mostNum.toString()));
                return;
              }
              widget.keyList.add(key);
            }
          });
        },
      );
    }

    List<Widget> buildDateprogram() {
      List<Widget> result = new List<Widget>();
      widget.dataMap.forEach((k, v) => result.add(buildItem(k, v)));
      return result;
    }

    return new Container(
      decoration: BoxDecoration(
        border: Border(top: BorderSide(color: Colors.grey, width: 1)),
      ),

      height: 230.0, // Change as per your requirement
      width: 350.0, // Change as per your requirement
      child: ListView(
        children: buildDateprogram(),
      ),
    );
  }
}