1 /* Copyright (c) 2021 Samsung Electronics Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
7 * http://www.apache.org/licenses/LICENSE-2.0
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
19 namespace Tizen.NUI.Components
21 internal sealed class EmptySource : IItemSource
23 public int Count => 0;
25 public bool HasHeader { get; set; }
26 public bool HasFooter { get; set; }
33 public bool IsHeader(int index)
35 return HasHeader && index == 0;
38 public bool IsFooter(int index)
53 public int GetPosition(object item)
58 public object GetItem(int position)
60 throw new IndexOutOfRangeException("IItemSource is empty");