import 'package:flutter/material.dart'; import 'package:get/get.dart'; import 'package:get/get_rx/src/rx_workers/utils/debouncer.dart'; import 'package:hive/hive.dart'; import 'package:pilipala/http/search.dart'; import 'package:pilipala/models/search/hot.dart'; import 'package:pilipala/models/search/suggest.dart'; import 'package:pilipala/utils/storage.dart'; class SSearchController extends GetxController { final FocusNode searchFocusNode = FocusNode(); RxString searchKeyWord = ''.obs; Rx controller = TextEditingController().obs; RxList hotSearchList = [].obs; Box histiryWord = GStrorage.historyword; List historyCacheList = []; RxList historyList = [].obs; RxList searchSuggestList = [].obs; final _debouncer = Debouncer(delay: const Duration(milliseconds: 200)); // 设置延迟时间 String hintText = '搜索'; RxString defaultSearch = ''.obs; Box setting = GStrorage.setting; bool enableHotKey = true; @override void onInit() { super.onInit(); // 其他页面跳转过来 if (Get.parameters.keys.isNotEmpty) { if (Get.parameters['keyword'] != null) { onClickKeyword(Get.parameters['keyword']!); } if (Get.parameters['hintText'] != null) { hintText = Get.parameters['hintText']!; searchKeyWord.value = hintText; } } historyCacheList = histiryWord.get('cacheList') ?? []; historyList.value = historyCacheList; enableHotKey = setting.get(SettingBoxKey.enableHotKey, defaultValue: true); } void onChange(value) { searchKeyWord.value = value; if (value == '') { searchSuggestList.value = []; return; } _debouncer.call(() => querySearchSuggest(value)); } void onClear() { if (searchKeyWord.value.isNotEmpty && controller.value.text != '') { controller.value.clear(); searchKeyWord.value = ''; searchSuggestList.value = []; } else { Get.back(); } } // 搜索 void submit() { // ignore: unrelated_type_equality_checks if (searchKeyWord == '') { return; } List arr = historyCacheList.where((e) => e != searchKeyWord.value).toList(); arr.insert(0, searchKeyWord.value); historyCacheList = arr; historyList.value = historyCacheList; // 手动刷新 historyList.refresh(); histiryWord.put('cacheList', historyCacheList); searchFocusNode.unfocus(); Get.toNamed('/searchResult', parameters: {'keyword': searchKeyWord.value}); } // 获取热搜关键词 Future queryHotSearchList() async { var result = await SearchHttp.hotSearchList(); if (result['status']) { hotSearchList.value = result['data'].list; } return result; } // 点击热搜关键词 void onClickKeyword(String keyword) { searchKeyWord.value = keyword; controller.value.text = keyword; // 移动光标 controller.value.selection = TextSelection.fromPosition( TextPosition(offset: controller.value.text.length), ); submit(); } Future querySearchSuggest(String value) async { var result = await SearchHttp.searchSuggest(term: value); if (result['status']) { if (result['data'] is SearchSuggestModel) { searchSuggestList.value = result['data'].tag; } } } onSelect(word) { searchKeyWord.value = word; controller.value.text = word; submit(); } onLongSelect(word) { int index = historyList.indexOf(word); historyList.value = historyList.removeAt(index); historyList.refresh(); histiryWord.put('cacheList', historyList); } onClearHis() { historyList.value = []; historyCacheList = []; historyList.refresh(); histiryWord.put('cacheList', []); } }