YYHome/packages/cpt_community/lib/components/custom_tabs_vm.dart

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

part 'custom_tabs_vm.g.dart';

@riverpod
class CustomTabsVm extends _$CustomTabsVm {

  CustomTabsState initState(List tabsList, int activeIndex, tabItemBuilder, onClickAction) {
    CustomTabsState state = CustomTabsState(
        tabsList: tabsList ?? [],
        activeIndex: activeIndex ?? 0,
        tabItemBuilder:tabItemBuilder,
        onClickAction: onClickAction
    );

    return state;
  }

  @override
  CustomTabsState build(){
    CustomTabsState state = initState([], 0, null, null);
    return state;
  }


  Future<void> initPropData(tabsList, activeIndex,tabItemBuilder, onClickAction) async {
    CustomTabsState newState = state.copyWith(
        tabsList: tabsList,
        activeIndex: activeIndex,
        tabItemBuilder: tabItemBuilder,
        onClickAction: onClickAction
    );
    state = newState;
  }

  // 点击tab
  void handlerClickTab(int index, item){
    CustomTabsState newState = state.copyWith(
        activeIndex: index
    );
    state = newState;

    print("切换后新的 sate, ${state.activeIndex}");

    // ref.invalidate(customTabsVmProvider);
  }

}