org.eclipse.nebula.widgets.nattable.core/src/org/eclipse/nebula/widgets/nattable/selection/action/MoveToHomeAction.java

/*******************************************************************************
 * Copyright (c) 2018, 2020 Dirk Fauth.
 *
 * 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.selection.action;

import org.eclipse.nebula.widgets.nattable.NatTable;
import org.eclipse.nebula.widgets.nattable.selection.SelectionLayer;
import org.eclipse.nebula.widgets.nattable.selection.SelectionLayer.MoveDirectionEnum;
import org.eclipse.nebula.widgets.nattable.selection.command.MoveSelectionCommand;
import org.eclipse.swt.events.KeyEvent;

/**
 * Action that is used to perform a selection movement on pressing the HOME key.
 *
 * @since 1.6
 */
public class MoveToHomeAction extends AbstractKeySelectAction {

    public MoveToHomeAction() {
        super(MoveDirectionEnum.LEFT);
    }

    @Override
    public void run(NatTable natTable, KeyEvent event) {
        super.run(natTable, event);

        if (!isControlMask()) {
            // no CTRL key pressed, simply move selection to the first column
            natTable.doCommand(
                    new MoveSelectionCommand(
                            MoveDirectionEnum.LEFT,
                            SelectionLayer.MOVE_ALL,
                            isShiftMask(),
                            isControlMask()));
        } else {
            // if the CTRL key is pressed, we need to move the selection to the
            // first cell
            natTable.doCommand(
                    new MoveSelectionCommand(
                            MoveDirectionEnum.LEFT,
                            SelectionLayer.MOVE_ALL,
                            isShiftMask(),
                            false));
            natTable.doCommand(
                    new MoveSelectionCommand(
                            MoveDirectionEnum.UP,
                            SelectionLayer.MOVE_ALL,
                            isShiftMask(),
                            false));
        }
    }

}