lift-app/lib/internal/wode/page/edit_text_page.dart

import 'package:flutter/material.dart';
import 'package:liftmanager/res/resources.dart';
import 'package:liftmanager/utils/toast.dart';
import 'package:liftmanager/widgets/app_bar.dart';

class EditTextPage extends StatefulWidget {
  String title = "";
  String value = "";
  int mType = 0;

  EditTextPage({this.title, this.value, this.mType});

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

class EditTextState extends State<EditTextPage> {
  TextEditingController _valueController = TextEditingController();

  ///保存数据
  void saveEditText() {
    String value = _valueController.text.toString();
    if (value.length == 0) {
      toasts("请输入内容");
      return;
    } else {
      Navigator.of(context).pop(value);
    }
  }

  @override
  void initState() {
    super.initState();
    _valueController = TextEditingController.fromValue(
      TextEditingValue(
        text: widget.value
      ),
    );
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: MyAppBar(
        centerTitle: widget.title,
        actions: <Widget>[
          FlatButton(
            child: Text("完成"),
            textColor: Colours.dark_text,
            highlightColor: Colors.transparent,
            onPressed: () {
              saveEditText();
            },
          )
        ],
      ),
      body: ListView(
        children: <Widget>[
          _bodyWidget(),
        ],
      ),
    );
  }

  Widget _bodyWidget() {
    switch (widget.mType) {
      case 0:
        return singleLineEditText();
        break;
      case 1:
        return moreLineEditText();
        break;
    }
  }

  Widget singleLineEditText() {
    return Container(
      height: 50,
      padding: EdgeInsets.only(left: 15, right: 15),
      child: TextField(
        controller: _valueController,
        decoration: InputDecoration(
          border: InputBorder.none,
          hintText: "请填写",
          hintStyle: TextStyle(color: Colours.text),
        ),
        maxLines: 1,
      ),
    );
  }

  Widget moreLineEditText() {
    return Container(
      height: 100,
      padding: EdgeInsets.only(left: 15, right: 15),
      decoration: BoxDecoration(
          border: Border(
              bottom: BorderSide(
                  color: Colours.text, style: BorderStyle.solid, width: 0.5))),
      child: TextField(
        maxLength: 30,
        controller: _valueController,
        decoration: InputDecoration(
          border: InputBorder.none,
          hintText: "请填写",
          hintStyle: TextStyle(color: Colours.text),
        ),
        maxLines: 2,
      ),
    );
  }
}