lift-app/lib/widgets/click_item.dart

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

class ClickItem extends StatelessWidget {

  const ClickItem({
    Key key,
    this.onTap,
    @required this.title,
    this.content: "",
    this.hintText:"",
    this.isMust:false,
    this.textAlign: TextAlign.start,
    this.maxLines: 1,
    this.hideDiv:false
  }): super(key: key);

  final Function onTap;
  final String title;
  final String content;
  final String hintText;
  final bool isMust;
  final TextAlign textAlign;
  final int maxLines;
  final bool hideDiv;


  @override
  Widget build(BuildContext context) {
    bool isDark = ThemeUtils.isDark(context);
    return InkWell(
      onTap: onTap,
      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?Colors.black:Colors.white,
            border: this.hideDiv?Border():Border(
              bottom: Divider.createBorderSide(context, width: 0.6),
            )
        ),
        child: Row(
          //为了数字类文字居中
          crossAxisAlignment: maxLines == 1 ? CrossAxisAlignment.center : CrossAxisAlignment.start,
          children: <Widget>[
            Padding(
              padding: const EdgeInsets.only(right: 5.0),
              child: Text(title),
            ),
            Offstage(
              offstage: !this.isMust,
              child: Text("*",style: TextStyle(color: Colors.red),),
            ),
            const Spacer(),
            Expanded(
              flex: 4,
              child: Padding(
                padding: const EdgeInsets.only(right: 8.0, left: 16.0),
                child: Text(
                    (content == null || content.length==0)?hintText:content,
                    maxLines: maxLines,
                    textAlign: maxLines == 1 ? TextAlign.right : textAlign,
                    overflow: maxLines==1?TextOverflow.ellipsis:TextOverflow.visible,
                    style: Theme.of(context).textTheme.subtitle.copyWith(fontSize: Dimens.font_sp14))
//                    style: TextStyle(fontSize: 14,color: content.length==0?Colours.text_gray_c:Colors.black))
              ),
            ),
            Offstage(
              offstage: onTap == null ? true:false,
              child: Opacity(
                // 无点击事件时，隐藏箭头图标
                opacity: onTap == null ? 0 : 1,
                child: Padding(
                  padding: EdgeInsets.only(top: maxLines == 1 ? 0.0 : 2.0),
                  child: Images.arrowRight,
                ),
              )
            )

          ],
        ),
      ),
    );
  }
}