lift-app/lib/widgets/options_item.dart

import 'package:flutter/material.dart';
import 'package:liftmanager/res/resources.dart';
import 'package:liftmanager/utils/theme_utils.dart';
import 'package:liftmanager/widgets/load_image.dart';

class OptionsItem extends StatelessWidget {
  const OptionsItem({
    Key key,
    this.onTap,
    @required this.title,
    this.content: "",
    this.isEdit: false,
    this.value: -1,
  }) : super(key: key);

  final Function onTap;
  final String title;
  final String content;
  final bool isEdit;
  final int value; //-1未选 0 不需要 1勾 2叉

  @override
  Widget build(BuildContext context) {
    bool isDark = ThemeUtils.isDark(context);
    return InkWell(
      child: Container(
        padding: const EdgeInsets.fromLTRB(15, 15.0, 15.0, 15.0),
        constraints:
            BoxConstraints(maxHeight: double.infinity, minHeight: 50.0),
        width: double.infinity,
        decoration: BoxDecoration(
          color: isDark?Colours.dark_bg_gray:Colors.white,
          borderRadius: BorderRadius.circular(6),
        ),
        child: Row(
          //为了数字类文字居中
          crossAxisAlignment: CrossAxisAlignment.center,
          mainAxisAlignment: MainAxisAlignment.center,
          children: <Widget>[
            Expanded(
                flex: 1,
                child: Column(
                  mainAxisAlignment: MainAxisAlignment.start,
                  crossAxisAlignment: CrossAxisAlignment.start,
                  children: <Widget>[
                    Text(
                      "${title}",
                      style: TextStyle(fontSize: 15, color: isDark?Colors.white:Color(0xFF333333)),
                    ),
                    Text(content,
                        maxLines: 5,
                        textAlign: TextAlign.left,
                        overflow: TextOverflow.visible,
                        style: TextStyle(
                            fontSize: 13, color: Colours.dark_text_gray))
                  ],
                )),
            Row(
              children: <Widget>[
                Offstage(
                    offstage: !isEdit && value != 1,
                    child: GestureDetector(
                      onTap: () {
                        onTap(1);
                      },
                      child: Container(
                        margin: EdgeInsets.only(right: 10),
                        child: LoadAssetImage(
                            "icon_gou_${value == 1 ? "s" : "n"}",
                            width: 25,
                            height: 25),
                      )
                    )),
                Offstage(
                    offstage: !isEdit && value != 2,
                    child: GestureDetector(
                      onTap: () {
                        onTap(2);
                      },
                      child:Container(
                        margin: EdgeInsets.only(right: 10),
                        child:  LoadAssetImage(
                          "icon_cha_${value == 2 ? "s" : "n"}",
                          width: 25,
                          height: 25)),
                    )),
                Offstage(
                    offstage: !isEdit && value != 0,
                    child: GestureDetector(
                      onTap: () {
                        onTap(0);
                      },
                      child: Container(
                        margin: EdgeInsets.only(right: 10),
                        child:  LoadAssetImage(
                        "icon_no_${value == 0 ? "s" : "n"}",
                        width: 25,
                        height: 25,
                      ),
                    ))),
              ],
            )
          ],
        ),
      ),
    );
  }
}