fcs/lib/pages/block_list.dart

import 'package:flutter/material.dart';
import 'package:provider/provider.dart';
import 'package:fcs/model/user_model.dart';
import 'package:fcs/pages/util.dart';
import 'package:fcs/theme/theme.dart';
import 'package:fcs/vo/popup_menu.dart';
import 'package:fcs/vo/user.dart';
import 'package:fcs/widget/local_text.dart';
import 'package:fcs/widget/popupmenu.dart';
import 'package:fcs/widget/progress.dart';

class BlockList extends StatefulWidget {
  @override
  _BlockListState createState() => _BlockListState();
}

class _BlockListState extends State<BlockList> {
  final double dotSize = 15.0;
  bool _isLoading = false;
  PopupMenu selectedChoices = blocklistpopup[0];
  User user = new User();

  @override
  Widget build(BuildContext context) {
    var userModel = Provider.of<UserModel>(context);

    return LocalProgress(
      inAsyncCall: _isLoading,
      child: Scaffold(
        appBar: AppBar(
          backgroundColor: primaryColor,
          title: LocalText(context, 'user.block_list',
              color: Colors.white, fontSize: 20),
        ),
        body: new ListView.builder(
            padding: EdgeInsets.only(left: 15, right: 15, top: 15, bottom: 10),
            shrinkWrap: true,
            itemCount: userModel.getBlockListUsers().length,
            itemBuilder: (BuildContext context, int index) {
              return Card(
                elevation: 10,
                color: Colors.white,
                child: Row(
                  children: <Widget>[
                    Expanded(
                      child: InkWell(
                        onTap: () {},
                        child: new Padding(
                          padding: const EdgeInsets.symmetric(vertical: 7.0),
                          child: new Row(
                            children: <Widget>[
                              new Padding(
                                  padding: new EdgeInsets.symmetric(
                                      horizontal: 32.0 - dotSize / 2),
                                  child: Image.asset(
                                    'assets/block.png',
                                    width: 50,
                                    height: 50,
                                    color: primaryColor,
                                  )),
                              new Text(
                                userModel.getBlockListUsers()[index].name ==
                                        null
                                    ? ""
                                    : userModel.getBlockListUsers()[index].name,
                                style: new TextStyle(
                                    fontSize: 17.0, color: Colors.black),
                              ),
                            ],
                          ),
                        ),
                      ),
                    ),
                    PopupMenuButton<PopupMenu>(
                        elevation: 3.2,
                        tooltip: 'This is tooltip',
                        onSelected: _select,
                        itemBuilder: (BuildContext context) {
                          this.user = userModel.getBlockListUsers()[index];
                          return blocklistpopup.map((PopupMenu choice) {
                            return PopupMenuItem<PopupMenu>(
                              value: choice,
                              child: Text(choice.status),
                            );
                          }).toList();
                        })
                  ],
                ),
              );
            }),
      ),
    );
  }

  void _select(PopupMenu choice) async {
    selectedChoices = choice;
    if (choice.index == 1) {
      showConfirmDialog(context, "user.unblock.confirm", () {
        _unblock();
      });
    }
  }

  _unblock() async {
    setState(() {
      _isLoading = true;
    });

    try {
      var userModel = Provider.of<UserModel>(context);
      await userModel.unblockPhone(this.user.phoneNumber);
    } catch (e) {
      showMsgDialog(context, "Error", e.toString());
    } finally {
      setState(() {
        _isLoading = false;
      });
    }
  }
}