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Vaadin 7 compatibility package for Vaadin 8
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/*
 * Copyright (C) 2000-2024 Vaadin Ltd
 *
 * This program is available under Vaadin Commercial License and Service Terms.
 *
 * See  for the full
 * license.
 */
package com.vaadin.v7.event;

import java.io.Serializable;
import java.util.List;

import com.vaadin.event.SerializableEventListener;
import com.vaadin.shared.Registration;
import com.vaadin.ui.Component;
import com.vaadin.v7.data.sort.SortOrder;

/**
 * Event describing a change in sorting of a {@link com.vaadin.v7.data.Container Container}.
 * Fired by {@link SortNotifier SortNotifiers}.
 *
 * @see SortListener
 *
 * @since 7.4
 * @author Vaadin Ltd
 */
@Deprecated
public class SortEvent extends Component.Event {

    private final List sortOrder;
    private final boolean userOriginated;

    /**
     * Creates a new sort order change event with a sort order list.
     *
     * @param source
     *            the component from which the event originates
     * @param sortOrder
     *            the new sort order list
     * @param userOriginated
     *            true if event is a result of user interaction,
     *            false if from API call
     */
    public SortEvent(Component source, List sortOrder,
            boolean userOriginated) {
        super(source);
        this.sortOrder = sortOrder;
        this.userOriginated = userOriginated;
    }

    /**
     * Gets the sort order list.
     *
     * @return the sort order list
     */
    public List getSortOrder() {
        return sortOrder;
    }

    /**
     * Returns whether this event originated from actions done by the user.
     *
     * @return true if sort event originated from user interaction
     */
    public boolean isUserOriginated() {
        return userOriginated;
    }

    /**
     * Listener for sort order change events.
     */
    @FunctionalInterface
    @Deprecated
    public interface SortListener extends SerializableEventListener {
        /**
         * Called when the sort order has changed.
         *
         * @param event
         *            the sort order change event
         */
        public void sort(SortEvent event);
    }

    /**
     * The interface for adding and removing listeners for {@link SortEvent
     * SortEvents}.
     */
    @Deprecated
    public interface SortNotifier extends Serializable {
        /**
         * Adds a sort order change listener that gets notified when the sort
         * order changes.
         *
         * @param listener
         *            the sort order change listener to add
         * @return a registration object for removing the listener
         */
        public Registration addSortListener(SortListener listener);

        /**
         * Removes a sort order change listener previously added using
         * {@link #addSortListener(SortListener)}.
         *
         * @param listener
         *            the sort order change listener to remove
         */
        public void removeSortListener(SortListener listener);
    }
}