58 lines
1.7 KiB
Dart
58 lines
1.7 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:get/get.dart';
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import 'package:hello_wallpaper/common/components/view_state_widget.dart';
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import 'package:hello_wallpaper/models/wallpaper_model.dart';
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import 'package:hello_wallpaper/modules/home/home_controller.dart';
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import 'package:hello_wallpaper/routes/app_pages.dart';
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class CatalogController extends GetxController {
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static CatalogController get to => Get.find<CatalogController>();
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late ScrollController scrollController;
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late ViewState viewState;
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late List<WallpaperModel> wallpaperModelList;
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@override
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void onInit() {
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super.onInit();
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scrollController = ScrollController();
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getData();
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}
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@override
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void onClose() {
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scrollController.dispose();
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super.onClose();
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}
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void getData() {
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wallpaperModelList = HomeController.to.wallpaperModelList;
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wallpaperModelList.shuffle();
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viewState = wallpaperModelList.isNotEmpty ? ViewState.normal : ViewState.empty;
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refresh();
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}
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/// 从分类中随机取5张
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List<WallpaperData> getRandomFiveList(WallpaperModel item) {
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if (item.data != null && item.data!.length >= 5) {
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var flatList = item.data!.map((e) => e).toList();
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return (flatList..shuffle()).take(5).toList();
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} else {
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return item.data == null ? <WallpaperData>[] : item.data!;
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}
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}
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/// 进入分类详情页面
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void onTapSingleCls(WallpaperModel wallpaperModel) {
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Get.toNamed(AppPages.clsDet, arguments: wallpaperModel);
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}
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/// 点击壁纸
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void onTapItem(String clsName, List<WallpaperData> wallpaperList, int index) {
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Get.toNamed(AppPages.wallpaperDet, arguments: {
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'position': index,
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'wallpaperList': wallpaperList,
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'heroTag': 'Catalog-$clsName-$index',
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});
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}
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}
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