SectionBloc constructor

SectionBloc(String appId)

Implementation

SectionBloc(this.appId) : super(ExtEditorBaseUninitialised()) {
  on<ExtEditorBaseInitialise<SectionModel>>((event, emit) {
    emit(ExtEditorBaseInitialised(
      model: event.model.copyWith(),
    ));
  });

  on<AddItemEvent<SectionModel, LinkModel>>((event, emit) {
    if (state is ExtEditorBaseInitialised) {
      var theState = state as ExtEditorBaseInitialised;
      var model = theState.model as SectionModel;
      List<LinkModel> newItems =
          model.links == null ? [] : model.links!.map((e) => e).toList();
      newItems.add(event.itemModel);
      var newModel = model.copyWith(links: newItems);
      emit(ExtEditorBaseInitialised(
          model: newModel, currentEdit: theState.currentEdit));
    }
  });

  on<UpdateItemEvent<SectionModel, LinkModel>>((event, emit) {
    if (state is ExtEditorBaseInitialised) {
      var theState = state as ExtEditorBaseInitialised;
      var model = theState.model as SectionModel;
      List<LinkModel> currentItems = model.links == null ? [] : model.links!;
      var index = currentItems.indexOf(event.oldItem);
      if (index != -1) {
        var newItems = currentItems.map((e) => e).toList();
        newItems[index] = event.newItem;
        var newModel = model.copyWith(links: newItems);
        emit(ExtEditorBaseInitialised(model: newModel));
      } else {
        throw Exception("Could not find item");
      }
    }
  });

  on<DeleteItemEvent<SectionModel, LinkModel>>((event, emit) {
    if (state is ExtEditorBaseInitialised) {
      var theState = state as ExtEditorBaseInitialised;
      var model = theState.model as SectionModel;
      var newItems = <LinkModel>[];
      for (var item in model.links!) {
        if (item != event.itemModel) {
          newItems.add(item);
        }
      }
      var newModel = model.copyWith(links: newItems);
      emit(ExtEditorBaseInitialised(model: newModel));
    }
  });
}