search_index.dart 4.2 KB

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  1. import 'dart:async';
  2. import 'package:flutter/material.dart';
  3. import 'package:liftmanager/internal/bbs/presenter/mix_search_list_presenter.dart';
  4. import 'package:liftmanager/internal/search/presenter/base_list_provider.dart';
  5. import 'package:liftmanager/mvp/base_page_state.dart';
  6. import 'package:liftmanager/widgets/bbs_content.dart';
  7. import 'package:liftmanager/widgets/my_refresh_list.dart';
  8. import 'package:liftmanager/widgets/state_layout.dart';
  9. import 'package:provider/provider.dart';
  10. enum ListType { all, news, video, question, goods, position }
  11. class SearchIndex extends StatefulWidget {
  12. SearchIndex(this.type, this.text);
  13. final ListType type;
  14. final String text;
  15. @override
  16. SearchIndexState createState() => SearchIndexState();
  17. }
  18. class SearchIndexState extends BasePageState<SearchIndex, MixListPresenter> {
  19. BaseListProvider provider = BaseListProvider();
  20. int _page = 1;
  21. ListType selectedType;
  22. @override
  23. void initState() {
  24. provider.setStateTypeNotNotify(StateType.loading);
  25. super.initState();
  26. _onRefresh();
  27. print(widget.text);
  28. }
  29. @override
  30. Widget build(BuildContext context) {
  31. if (widget.type != selectedType) {
  32. selectedType = widget.type;
  33. provider.clear();
  34. _onRefresh();
  35. }
  36. return Container(
  37. child: Stack(
  38. children: <Widget>[
  39. Container(
  40. padding: EdgeInsets.symmetric(horizontal: 10),
  41. child: ChangeNotifierProvider<BaseListProvider>(
  42. create: (_) => provider,
  43. child: Column(
  44. children: <Widget>[
  45. Expanded(
  46. flex: 1,
  47. child: Consumer<BaseListProvider>(
  48. builder: (_, provider, __) {
  49. return MyListView(
  50. key: Key('mix_search_list'),
  51. itemCount: provider.list.length,
  52. stateType: provider.stateType,
  53. onRefresh: _onRefresh,
  54. loadMore: _loadMore,
  55. hasMore: provider.hasMore,
  56. itemBuilder: (_, index) {
  57. return Column(
  58. children: <Widget>[
  59. widget.type == ListType.news
  60. ? NewsCell(provider.list[index])
  61. : Container(child: null),
  62. widget.type == ListType.question
  63. ? QuestionCell(item: provider.list[index])
  64. : Container(child: null),
  65. widget.type == ListType.video
  66. ? VideoCell(provider.list[index])
  67. : Container(child: null),
  68. widget.type == ListType.position
  69. ? PositionCell(provider.list[index])
  70. : Container(child: null),
  71. widget.type == ListType.goods
  72. ? ProductCell(provider.list[index])
  73. : Container(child: null),
  74. ],
  75. );
  76. },
  77. );
  78. }))
  79. ],
  80. )))
  81. ],
  82. ));
  83. }
  84. getList() async {
  85. if (widget.type == ListType.question) {
  86. await presenter.getQuestionList(_page, widget.text);
  87. } else if (widget.type == ListType.video) {
  88. await presenter.getVideoList(_page, widget.text);
  89. } else if (widget.type == ListType.goods) {
  90. await presenter.getShopList(_page, widget.text, null);
  91. } else if (widget.type == ListType.position) {
  92. await presenter.getPositionList(_page, widget.text);
  93. } else if (widget.type == ListType.news) {
  94. await presenter.getNewsList(_page, widget.text);
  95. }
  96. }
  97. Future _onRefresh() async {
  98. _page = 1;
  99. getList();
  100. }
  101. Future _loadMore() async {
  102. _page++;
  103. getList();
  104. }
  105. @override
  106. MixListPresenter createPresenter() {
  107. return MixListPresenter();
  108. }
  109. }