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Vaadin is a web application framework for Rich Internet Applications (RIA). Vaadin enables easy development and maintenance of fast and secure rich web applications with a stunning look and feel and a wide browser support. It features a server-side architecture with the majority of the logic running on the server. Ajax technology is used at the browser-side to ensure a rich and interactive user experience.

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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.client.widget.grid.events;

import com.google.gwt.event.shared.EventHandler;

/**
 * Handler for a Grid column reorder event, called when the Grid's columns has
 * been reordered.
 *
 * @param 
 *            The row type of the grid. The row type is the POJO type from where
 *            the data is retrieved into the column cells.
 * @since 7.5.0
 * @author Vaadin Ltd
 */
public interface ColumnReorderHandler extends EventHandler {

    /**
     * A column reorder event, fired by Grid when the columns of the Grid have
     * been reordered.
     *
     * @param event
     *            column reorder event
     */
    public void onColumnReorder(ColumnReorderEvent event);
}