zhiying_base_widget/lib/widgets/search/tabbar/search_tab_widget.dart

import 'dart:convert';

import 'package:flutter/material.dart';
import 'package:cached_network_image/cached_network_image.dart';
import 'package:tab_indicator_styler/tab_indicator_styler.dart';
import 'package:zhiying_base_widget/widgets/home/home_quick_entry/cached_network_image_util.dart';
import 'package:zhiying_base_widget/widgets/search/tabbar/search_tab_sk.dart';
import 'package:zhiying_base_widget/widgets/search/widget/my_tab.dart';

import 'package:zhiying_comm/zhiying_comm.dart';

import 'model/search_tab_model.dart';

class SearchTabWidget extends StatefulWidget {
  final Map<String, dynamic> data;
  SearchTabModel model;

  SearchTabWidget(this.data, {Key key}) : super(key: key) {
    try {
      model = SearchTabModel.fromJson(jsonDecode(data['data']));
    } catch (e) {
      Logger.error(e.toString());
    }
  }

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

class _SearchTabWidgetState extends State<SearchTabWidget> {
  TabController _tabController;
  int _currentIndex = 0;

  @override
  void initState() {
    _tabController = TabController(length: widget?.model?.search_icon_list?.length ?? 0, vsync: ScrollableState())..addListener((){
      setState(()=> _currentIndex = _tabController.index);
    });
    super.initState();
  }

  @override
  void dispose() {
    _tabController?.dispose();
    super.dispose();
  }

  @override
  Widget build(BuildContext context) {
    return _getMainWidget(widget?.model);
  }

  /// 获取主视图
  Widget _getMainWidget(SearchTabModel model) {
    return Visibility(
      replacement: SearchTabSkeleton(),
      visible: !EmptyUtil.isEmpty(model),
      child: _getTabar(model),
    );
  }

  /// 获取TabBar
  Widget _getTabar(SearchTabModel model) {
    return Container(
      margin: const EdgeInsets.only(left: 12.5, right: 12.5, top: 20),
      child: TabBar(
        controller: _tabController,
        isScrollable: true,
        labelStyle: TextStyle( fontSize: 14),
        unselectedLabelColor: HexColor.fromHex('#999999'),
        labelColor: HexColor.fromHex('#FF4242'),
        // indicatorSize: TabBarIndicatorSize.label,
        indicator: MaterialIndicator(
          height: 2.5,
          topLeftRadius: 8,
          topRightRadius: 8,
          bottomLeftRadius: 8,
          bottomRightRadius: 8,
          color: HexColor.fromHex('#FF4242'),
          horizontalPadding: 25,
        ),
        tabs: model.search_icon_list.map((item) {
          return MyTab(
            icon: CachedNetworkImage(imageUrl: item?.with_icon_color ?? '', width: 14,),
            text: item.name,
          );
        }).toList(),
      ),
    );
  }
}


class SearchTabItemWidget extends StatelessWidget {
  final bool isSelect;
  final SearchTabItemModel model;

  const SearchTabItemWidget(this.isSelect, this.model);

  @override
  Widget build(BuildContext context) {
    return Container();
  }
}