Wallpaper-Genie/lib/page/collection/collection_controller.dart
2024-07-22 17:52:41 +08:00

65 lines
1.8 KiB
Dart

import 'package:flutter/material.dart';
import 'package:get/get.dart';
import 'package:get/get_rx/get_rx.dart';
import 'package:wallpaperx/common/components/dialog/remind_dialog.dart';
import 'package:wallpaperx/common/components/view_state_widget.dart';
import 'package:wallpaperx/common/storage/favorite_data.dart';
import 'package:wallpaperx/routes/app_pages.dart';
class CollectionController extends GetxController {
static CollectionController get to => Get.find<CollectionController>();
late ScrollController scrollController;
late ViewState viewState;
RxList favoriteList = [].obs;
@override
void onInit() {
super.onInit();
scrollController = ScrollController();
getFavoriteList();
}
@override
void onClose() {
scrollController.dispose();
super.onClose();
}
void getFavoriteList({String? dataType}) {
favoriteList.clear();
favoriteList.addAll(FavoriteData().getWallpaperData().reversed.toList());
_refreshFavoriteList(type: 0);
}
void _refreshFavoriteList({int? type}) {
viewState = favoriteList.isNotEmpty ? ViewState.normal : ViewState.empty;
refresh();
}
/// 点击壁纸
void toImageDetail(int position, {List? images}) {
Get.toNamed(AppPages.wallpaperDetail, arguments: {
'position': position,
'wallpaperList': favoriteList,
});
}
/// 长按壁纸
void onLongPressImage(int position) {
Get.dialog(
barrierDismissible: false,
RemindDialog(
content: 'Are you sure you want to delete the wallpaper?',
confirmOnTap: () {
// 计算原始列表中的对应索引
int indexToRemoveFromDb =
FavoriteData().getWallpaperData().length - 1 - position;
FavoriteData().delete(indexToRemoveFromDb);
favoriteList.removeAt(position);
_refreshFavoriteList();
},
),
);
}
}