/**
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at

 * http://www.apache.org/licenses/LICENSE-2.0

 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import View from './View';
import type VisibleData from '../common/VisibleData';
import type BarSpace from '../common/BarSpace';
import type YAxis from '../component/YAxis';

export type EachChildCallback = (
  data: VisibleData,
  barSpace: BarSpace,
  index: number,
) => void;

export default abstract class ChildrenView extends View<YAxis> {
  protected eachChildren(childCallback: EachChildCallback): void {
    const pane = this.getWidget().getPane();
    const chartStore = pane.getChart().getChartStore();
    const visibleDataList = chartStore.getVisibleDataList();
    const barSpace = chartStore.getTimeScaleStore().getBarSpace();
    visibleDataList.forEach((data: VisibleData, index: number) => {
      childCallback(data, barSpace, index);
    });
  }
}