org.eclipse.nebula.widgets.nattable.core.test/src/org/eclipse/nebula/widgets/nattable/test/fixture/layer/ColumnReorderLayerFixture.java

/*******************************************************************************
 * Copyright (c) 2012, 2020 Original authors 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:
 *     Original authors and others - initial API and implementation
 ******************************************************************************/
package org.eclipse.nebula.widgets.nattable.test.fixture.layer;

import org.eclipse.nebula.widgets.nattable.layer.IUniqueIndexLayer;
import org.eclipse.nebula.widgets.nattable.reorder.ColumnReorderLayer;

/**
 * A ColumnReorderLayer for use in unit tests with a pre-canned set of column
 * re-orderings: column indexes: 4 1 0 2 3
 */
public class ColumnReorderLayerFixture extends ColumnReorderLayer {

    public ColumnReorderLayerFixture() {
        super(new DataLayerFixture()); // 0 1 2 3 4
        reorderColumns();
    }

    public ColumnReorderLayerFixture(IUniqueIndexLayer underlyingLayer) {
        super(underlyingLayer); // 0 1 2 3 4
        reorderColumns();
    }

    private void reorderColumns() {
        reorderColumnPosition(4, 0); // 4 0 1 2 3
        reorderColumnPosition(1, 4); // 4 1 2 0 3
        reorderColumnPosition(3, 2); // 4 1 0 2 3
    }

}