opt multi del

Signed-off-by: bggRGjQaUbCoE <githubaccount56556@proton.me>
2026-04-22 03:31:09 +08:00 · 2025-08-05 17:18:40 +08:00
parent 3caa684b2e
commit 104d295389
58 changed files with 379 additions and 404 deletions
--- a/lib/pages/common/multi_select/base.dart
+++ b/lib/pages/common/multi_select/base.dart
@@ -0,0 +1,147 @@
+import 'package:PiliPlus/http/loading_state.dart';
+import 'package:PiliPlus/pages/common/common_list_controller.dart';
+import 'package:get/get.dart';
+
+mixin MultiSelectData {
+  bool? checked;
+}
+
+abstract class MultiSelectBase<T> {
+  RxBool get enableMultiSelect;
+  RxBool get allSelected;
+
+  int get checkedCount;
+
+  void onSelect(T item, [bool disableSelect = true]);
+  void handleSelect([bool checked = false, bool disableSelect = true]);
+  void onRemove();
+}
+
+mixin CommonMultiSelectMixin<T extends MultiSelectData>
+    implements MultiSelectBase<T> {
+  @override
+  late final RxBool enableMultiSelect = false.obs;
+  @override
+  late final allSelected = false.obs;
+
+  Rx<LoadingState<List<T>?>> get loadingState;
+  late final RxInt rxCount = 0.obs;
+
+  @override
+  int get checkedCount => rxCount.value;
+
+  Iterable<T> get allChecked =>
+      loadingState.value.data!.where((v) => v.checked == true);
+
+  @override
+  void onSelect(T item, [bool disableSelect = true]) {
+    List<T> list = loadingState.value.data!;
+    item.checked = !(item.checked ?? false);
+    if (item.checked!) {
+      rxCount.value++;
+    } else {
+      rxCount.value--;
+    }
+    loadingState.refresh();
+    if (disableSelect) {
+      if (checkedCount == 0) {
+        enableMultiSelect.value = false;
+      }
+    } else {
+      allSelected.value = checkedCount == list.length;
+    }
+  }
+
+  @override
+  void handleSelect([bool checked = false, bool disableSelect = true]) {
+    if (loadingState.value.isSuccess) {
+      final list = loadingState.value.data;
+      if (list?.isNotEmpty == true) {
+        for (var item in list!) {
+          item.checked = checked;
+        }
+        loadingState.refresh();
+        rxCount.value = checked ? list.length : 0;
+      }
+    }
+    if (disableSelect && !checked) {
+      enableMultiSelect.value = false;
+    }
+  }
+}
+
+mixin DeleteItemMixin<R, T extends MultiSelectData>
+    on CommonListController<R, T>, CommonMultiSelectMixin<T> {
+  Future<void> afterDelete(Iterable<T> removeList) async {
+    final list = loadingState.value.data!;
+    if (removeList.length == list.length) {
+      list.clear();
+    } else if (removeList.length == 1) {
+      list.remove(removeList.single);
+    } else {
+      list.removeWhere(removeList.contains);
+    }
+    if (list.isNotEmpty) {
+      loadingState.refresh();
+    } else if (!isEnd) {
+      onReload();
+    } else {
+      // empty && end
+      loadingState.value = const Success(null);
+    }
+    if (enableMultiSelect.value) {
+      rxCount.value = 0;
+      enableMultiSelect.value = false;
+    }
+  }
+}
+
+// abstract class SetMultiSelectController<R, T, I>
+//     extends CommonListController<R, T>
+//     with MultiSelectMixin<T>, SetCommonMultiSelectMixin<T, I> {}
+
+// mixin SetCommonMultiSelectMixin<T, R> on MultiSelectMixin<T> {
+//   Rx<LoadingState<List<T>?>> get loadingState;
+//   RxSet<R> get selected;
+
+//   @override
+//   int get checkedCount => selected.length;
+
+//   R getId(T item);
+
+//   @override
+//   void onSelect(T item, [bool disableSelect = true]) {
+//     final id = getId(item);
+//     if (selected.contains(id)) {
+//       selected.remove(id);
+//     } else {
+//       selected.add(id);
+//     }
+//     loadingState.refresh();
+//     if (disableSelect) {
+//       if (checkedCount == 0) {
+//         enableMultiSelect.value = false;
+//       }
+//     } else {
+//       allSelected.value = checkedCount == loadingState.value.data!.length;
+//     }
+//   }
+
+//   @override
+//   void handleSelect([bool checked = false, bool disableSelect = true]) {
+//     if (loadingState.value.isSuccess) {
+//       final list = loadingState.value.data;
+//       if (list?.isNotEmpty == true) {
+//         if (checked) {
+//           selected.addAll(list!.map(getId));
+//         } else {
+//           selected.clear();
+//         }
+//         loadingState.refresh();
+//       }
+//     }
+//     if (disableSelect && !checked) {
+//       enableMultiSelect.value = false;
+//     }
+//   }
+// }