lift-app/lib/internal/heavy/page/heavy_lift_list_page.dart

import 'package:flutter/material.dart';
import 'package:liftmanager/internal/heavy/provider/heavy_lift_list_provider.dart';
import 'package:liftmanager/internal/lift/model/lift_list_entity.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/widgets/app_bar.dart';
import 'package:liftmanager/widgets/my_refresh_list.dart';
import 'package:liftmanager/widgets/search_bar.dart';
import 'package:liftmanager/widgets/state_layout.dart';
import 'package:provider/provider.dart' as p;

class HeavyLiftListPage extends StatefulWidget {
  HeavyLiftListPage(this.projectId);

  final String projectId;

  @override
  HeavyLiftListPageState createState() => HeavyLiftListPageState();
}

class HeavyLiftListPageState extends BasePageState<HeavyLiftListPage, HeavyLiftListPresenter> {
  BaseListProvider<LiftListItem> provider = BaseListProvider<LiftListItem>();

  String _keyword = "";
  int _page = 1;

  @override
  void initState() {
    /// 默认为加载中状态，本页面场景默认为空
    provider.setStateTypeNotNotify(StateType.loading);
    super.initState();
    _onRefresh();
  }


  @override
  Widget build(BuildContext context) {
    return p.ChangeNotifierProvider<BaseListProvider<LiftListItem>>(
        create: (_) => provider,
        child: Scaffold(
          appBar: MyAppBar(
            centerTitle: "大修电梯列表",
          ),
          body: Container(
            color: Color(0xFFF1F4FC),
            child: Column(
              crossAxisAlignment: CrossAxisAlignment.start,
              children: <Widget>[
                Container(
                  color: Colors.white,
                  padding:
                  EdgeInsets.only(top: 10, bottom: 10, left: 15, right: 15),
                  child: SearchBar(
                    autofocus: false,
                    hintText: "搜索电梯",
                    onPressed: (text) {
                      print(widget.projectId);
                      _keyword = text;
                      provider.setStateType(StateType.loading);
                      _page = 1;
                      presenter.searchLift(context,
                          widget.projectId, _keyword, _page, true);
                    },
                  ),
                ),
                Expanded(
                    flex: 1,
                    child: p.Consumer<BaseListProvider<LiftListItem>>(
                        builder: (_, provider, __) {
                          return MyListView(
                            key: Key('lift_list'),
                            itemCount: provider.list.length,
                            stateType: provider.stateType,
                            onRefresh: _onRefresh,
                            loadMore: _loadMore,
//                    itemExtent: 67.0,
                            hasMore: provider.hasMore,
                            itemBuilder: (_, index) {
                              return Container(
                                margin: EdgeInsets.fromLTRB(15, 5, 15, 5),
                                decoration: BoxDecoration(
                                  color: Colors.white,
                                  borderRadius: BorderRadius.circular(6.0),
                                ),
                                padding: const EdgeInsets.only(bottom: 10),
                                child: Column(
                                  children: <Widget>[
                                    Container(
                                      decoration: BoxDecoration(
                                          border: Border(
                                            bottom: BorderSide(
                                                width: 0.5, color: Colours.text_gray_c),
                                          )),
                                      padding: EdgeInsets.only(left: 12),
                                      child: Row(
                                        children: <Widget>[
                                          Expanded(
                                              flex: 1,
                                              child: Text(
                                                provider.list[index].useCompanyCode,
                                                style: TextStyles.text15,
                                                overflow: TextOverflow.ellipsis,
                                                softWrap: false, //单行显示
                                              )),
//                                          MyButton(
//                                            key: const Key('lift_list'),
//                                            onPressed: () {
////                                          _liftList(provider.list[index].id);
//                                              NavigatorUtils.push(context, "${LiftRouter.liftDetailPage}?project_id="+widget.projectId+"&id="+provider.list[index].id);
//                                            },
//                                            height: 25,
//                                            fontSize: 11,
//                                            colors: [
//                                              Colours.app_main,
//                                              Colours.app_main
//                                            ],
//                                            borderWidth: 0.5,
//                                            borderColor: Colours.app_main,
//                                            text: "查看详情",
//                                          )
                                        ],
                                      ),
                                    ),
                                    lineTxt("注册代码",
                                        "${provider.list[index].registrationCode}"),
                                    lineTxt(
                                        "电梯型号", "${provider.list[index].liftCode}"),
                                    lineTxt(
                                        "电梯类型", "${provider.list[index].liftTypeName}"),
                                    lineTxt(
                                        "电梯品牌", "${provider.list[index].liftBrand}")
                                  ],
                                ),
                              );
                            },
                          );
                        }))
              ],
            ),
          ),
        ));
  }

  Widget lineTxt(title, value) {
    return Container(
      padding: EdgeInsets.only(left: 12, top: 5, right: 12),
      child: Row(
        children: <Widget>[
          Text("${title}",
              style: TextStyle(fontSize: 13, color: Colours.dark_text_gray)),
          Expanded(
            flex: 1,
            child: Text(
              "${value}",
              textAlign: TextAlign.right,
              style: TextStyle(fontSize: 13, color: Colours.dark_text_gray),
            ),
          )
        ],
      ),
    );
  }

  Future _onRefresh() async {
    _page = 1;
    await presenter.searchLift(context,widget.projectId, _keyword, _page, false);
  }

  Future _loadMore() async {
    _page++;
    await presenter.searchLift(context,widget.projectId, _keyword, _page, false);
  }

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