lift-app/lib/internal/means/page/control_list.dart

import 'dart:async';

import 'package:flutter/foundation.dart';
import 'package:flutter/material.dart';
import 'package:flutter_screenutil/flutter_screenutil.dart';
import 'package:liftmanager/internal/bbs/model/control_model.dart';
import 'package:liftmanager/internal/means/means_router.dart';
import 'package:liftmanager/internal/means/presenter/control_list_presenter.dart';
import 'package:liftmanager/internal/search/presenter/base_list_provider.dart';
import 'package:liftmanager/mvp/base_page_state.dart';
import 'package:liftmanager/res/resources.dart';
import 'package:liftmanager/routers/fluro_navigator.dart';
import 'package:liftmanager/widgets/app_search_bar.dart';
import 'package:liftmanager/widgets/load_image.dart';
import 'package:liftmanager/widgets/my_refresh_list.dart';
import 'package:liftmanager/widgets/state_layout.dart';
import 'package:provider/provider.dart';

class ControlList extends StatefulWidget {
  @override
  ControlListState createState() => ControlListState();
}

class ControlListState
    extends BasePageState<ControlList, ControlListPresenterSeconds> {
  BaseListProvider<Records> provider = BaseListProvider<Records>();
  int _page = 1;

  String searchWord;

  ScrollController _scrollController = new ScrollController();

  @override
  void initState() {
    provider.setStateTypeNotNotify(StateType.loading);
    super.initState();
    _onRefresh();
  }

  @override
  void dispose() {
    _scrollController.dispose();
    super.dispose();
  }

  @override
  Widget build(BuildContext context) {
    double width = MediaQuery.of(context).size.width;

    return ChangeNotifierProvider<BaseListProvider<Records>>(
        create: (_) => provider,
        child: Scaffold(
            appBar: SearchAppBar2(
              onPressed: (text) {
                searchWord = text;
                _onRefresh();
              },
            ),
            body: Container(
                child: Column(
              children: <Widget>[
                Expanded(
                    flex: 1,
                    child: Consumer<BaseListProvider<Records>>(
                        builder: (_, provider, __) {
                      return MyListView(
                        key: Key('brand_list'),
                        itemCount: provider.list.length,
                        stateType: provider.stateType,
                        onRefresh: _onRefresh,
                        loadMore: _loadMore,
                        hasMore: provider.hasMore,
                        itemBuilder: (_, index) {
                          return GestureDetector(
                            child: Container(
                              padding: EdgeInsets.only(
                                  left: ScreenUtil().setWidth(10),
                                  right: ScreenUtil().setWidth(10),
                                  top: ScreenUtil().setHeight(10),
                                  bottom: ScreenUtil().setHeight(10)),
                              decoration: BoxDecoration(
                                border: Border(
                                  bottom: BorderSide(
                                      width: 0.5, color: Colours.line),
                                ),
                              ),
                              child: Column(children: <Widget>[
                                Container(
                                  padding: EdgeInsets.only(
                                      bottom: ScreenUtil().setHeight(5)),
                                  child: Row(
                                    mainAxisAlignment:
                                        MainAxisAlignment.spaceBetween,
                                    children: <Widget>[
                                      Row(
                                          crossAxisAlignment:
                                              CrossAxisAlignment.center,
                                          children: <Widget>[
                                            Container(
                                              padding: EdgeInsets.only(
                                                  right: ScreenUtil()
                                                      .setWidth(10)),
                                              child: ClipRRect(
                                                borderRadius:
                                                    BorderRadius.circular(0),
                                                child: Container(
                                                  width:
                                                      ScreenUtil().setWidth(40),
                                                  height:
                                                      ScreenUtil().setWidth(40),
                                                  color: Color(0xffFAF7FA),
                                                  padding: EdgeInsets.all(2),
                                                  child: LoadNetworkImage(
                                                    provider.list[index].logo,
                                                    fit: BoxFit.cover,
                                                    width: ScreenUtil()
                                                        .setWidth(100),
                                                    height: ScreenUtil()
                                                        .setWidth(100),
                                                  ),
                                                ),
                                              ),
                                            ),
                                            Container(
                                              child: Text(
                                                provider.list[index].name ?? '',
                                                textAlign: TextAlign.left,
                                                style: TextStyle(
                                                  fontSize: 14,
                                                  color: Color(0xff333333),
                                                ),
                                              ),
                                            ),
                                          ]),
                                      Container(
                                        child: Icon(
                                          Icons.keyboard_arrow_right,
                                          size: 26.0,
                                          color: Color(0xffdddddd),
                                        ),
                                      )
                                    ],
                                  ),
                                ),
                              ]),
                            ),
                            onTap: () {
                              NavigatorUtils.push(context,
                                  "${MeansRouter.controlDetail}?id=${provider.list[index].id.toString()}");
                            },
                          );
                        },
                      );
                    }))
              ],
            ))));
  }

  Future _onRefresh() async {
    _page = 1;
    await presenter.getControlList(_page, searchWord: searchWord);
  }

  Future _loadMore() async {
    _page++;
    await presenter.getControlList(_page, searchWord: searchWord);
  }

  @override
  ControlListPresenterSeconds createPresenter() {
    return ControlListPresenterSeconds();
  }
}