org.eclipse.nebula.widgets.nattable.core/src/org/eclipse/nebula/widgets/nattable/hover/command/HoverStylingByIndexCommandHandler.java

/*******************************************************************************
 * Copyright (c) 2022 Dirk Fauth and others.
 *
 * This program and the accompanying materials are made
 * available under the terms of the Eclipse Public License 2.0
 * which is available at https://www.eclipse.org/legal/epl-2.0/
 *
 * SPDX-License-Identifier: EPL-2.0
 *
 * Contributors:
 *    Dirk Fauth <dirk.fauth@googlemail.com> - initial API and implementation
 *******************************************************************************/
package org.eclipse.nebula.widgets.nattable.hover.command;

import org.eclipse.nebula.widgets.nattable.command.AbstractLayerCommandHandler;
import org.eclipse.nebula.widgets.nattable.hover.HoverLayer;

/**
 * Command handler that is responsible for handling the HoverStylingByIndexCommand.
 * Will set the current hovered cell position to the connected HoverLayer to
 * apply hover styling accordingly.
 *
 * @see HoverLayer
 * @see HoverStylingByIndexCommand
 *
 * @since 2.1
 */
public class HoverStylingByIndexCommandHandler extends AbstractLayerCommandHandler<HoverStylingByIndexCommand> {

    /**
     * The HoverLayer this command handler is connected to.
     */
    private final HoverLayer layer;

    /**
     *
     * @param layer
     *            The HoverLayer this command handler is connected to.
     */
    public HoverStylingByIndexCommandHandler(HoverLayer layer) {
        this.layer = layer;
    }

    @Override
    protected boolean doCommand(HoverStylingByIndexCommand command) {
        if (this.layer.equals(command.getHoverLayer())) {
            this.layer.setCurrentHoveredCellByIndex(command.getColumnIndex(), command.getRowIndex());
            return true;
        }
        return false;
    }

    @Override
    public Class<HoverStylingByIndexCommand> getCommandClass() {
        return HoverStylingByIndexCommand.class;
    }

}