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/**
 * Copyright 2000-2024 Vaadin Ltd.
 *
 * This program is available under Vaadin Commercial License and Service Terms.
 *
 * See {@literal } for the full
 * license.
 */
package com.vaadin.flow.component.charts.model;

import java.util.ArrayList;
import java.util.List;

/**
 * Pane Container to allow multiple Panes
 */
public class PaneList extends AbstractConfigurationObject {
    private final List paneList = new ArrayList<>();

    /**
     * @return The number of panes in the list
     */
    public int getNumberOfPanes() {
        return paneList.size();
    }

    /**
     * @param index
     *            Index of the pane
     * @return The pane with the given index
     */
    public Pane getPane(int index) {
        return paneList.get(index);
    }

    /**
     * Returns the pane list. Use this only for serialization.
     *
     * @return The pane list.
     */
    public List getPanes() {
        return paneList;
    }

    /**
     * Adds a new pane to the list
     *
     * @param pane
     *            The pane to add
     */
    public void addPane(Pane pane) {
        paneList.add(pane);
        updateIndexes();
    }

    /**
     * Removes a pane from the list
     *
     * @param pane
     *            The pane to remove
     */
    public void removePane(Pane pane) {
        paneList.remove(pane);
        updateIndexes();

    }

    private void updateIndexes() {
        for (int i = 0; i < paneList.size(); i++) {
            paneList.get(i).setPaneIndex(i);
        }
    }
}