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1/*
2* Copyright (c) 2023 Hunan OpenValley Digital Industry Development 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
6*
7*     http://www.apache.org/licenses/LICENSE-2.0
8*
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.
14*/
15
16import Vector from '@ohos.util.Vector';
17import { BaseDataSource } from '@ohos/common/src/main/ets/components/BaseDataSource';
18import { Information } from '../../model/Information';
19
20export class VectorDataSource extends BaseDataSource {
21  private dataArr: Vector<Information> = new Vector();
22
23  public totalCount(): number {
24    return this.dataArr.length;
25  }
26
27  public getData(index: number): Information {
28    return this.dataArr.get(index);
29  }
30
31  public addData(information: Information): void {
32    this.dataArr.add(information);
33    this.notifyDataAdd(this.dataArr.length - 1);
34    this.notifyDataReload();
35  }
36
37  public deleteData(index: number): void {
38    this.dataArr.removeByIndex(index);
39    this.notifyDataDelete(index);
40    this.notifyDataReload();
41  }
42}