YYHome/packages/cpt_rewards/lib/modules/rewards_my/rewards_my_vm.dart

import 'package:cs_resources/generated/assets.dart';
import 'package:flutter/cupertino.dart';
import 'package:plugin_platform/engine/toast/toast_engine.dart';
import 'package:riverpod_annotation/riverpod_annotation.dart';
import 'package:shared/utils/log_utils.dart';

import './rewards_my_active/rewards_my_active_page.dart';
import './rewards_my_expired/rewards_my_expired_page.dart';
import './rewards_my_used/rewards_my_used_page.dart';

part 'rewards_my_vm.g.dart';


class RewardsMyVmState {
  List<Map<String, dynamic>>? topSectionsData;
  int? curIdx;

  RewardsMyVmState({
    List<Map<String, dynamic>>? topSectionsData,
    this.curIdx = 0,
  }) : topSectionsData = topSectionsData?? [
    {
      "title": "Active",
      "icon": Assets.propertyIoan,
      "pageStartInstanceFn": RewardsMyActivePage.startInstance,
      "page": const RewardsMyActivePage(),
    },
    {
      "title": "Expired",
      "icon": Assets.propertyNews,
      "pageStartInstanceFn": RewardsMyExpiredPage.startInstance,
      "page": const RewardsMyExpiredPage(),
    },
    {
      "title": "Used",
      "icon": Assets.propertySale,
      "pageStartInstanceFn": RewardsMyUsedPage.startInstance,
      "page": const RewardsMyUsedPage(),
    }
  ];

  RewardsMyVmState copyWith({
    List<Map<String, dynamic>>? topSectionsData,
    int? curIdx = 0,
  }) {
    return RewardsMyVmState(
      topSectionsData: topSectionsData ?? this.topSectionsData,
      curIdx: curIdx ?? 0,
    );
  }
}

@riverpod
class RewardsMyVm extends _$RewardsMyVm {
  get topSectionsData => state.topSectionsData;

  RewardsMyVmState initState() {
    return RewardsMyVmState();
  }

  @override
  RewardsMyVmState build(){
    final state = initState();
    Log.d("--------------------------build---------------------");

    // 初始时导航到子路由
    WidgetsBinding.instance.addPostFrameCallback((_) {
    });

    return state;
  }

  // 页面切换
  switchPage(int index,BuildContext? context, [bool? isFirstInitSwitch] ){
    if(state.curIdx != index){
      state = state.copyWith(curIdx: index);
      final List<Map<String, dynamic>>? topSectionsData = state.topSectionsData;
      // Log.d("当前页面${topSectionsData?[index]['pageStartInstanceFn']}");
      final pageStartInstanceFn = topSectionsData?[index]['pageStartInstanceFn'] as Function({BuildContext? context});
      pageStartInstanceFn(context:context);
    }else {
      if(isFirstInitSwitch??false){
        final List<Map<String, dynamic>>? topSectionsData = state.topSectionsData;
        // Log.d("当前页面${topSectionsData?[index]['pageStartInstanceFn']}");
        final pageStartInstanceFn = topSectionsData?[index]['pageStartInstanceFn'] as Function({BuildContext? context});
        pageStartInstanceFn(context:context);
      }
    }
  }

}