org.eclipse.nebula.widgets.nattable.core/src/org/eclipse/nebula/widgets/nattable/grid/data/DummyModifiableBodyDataProvider.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.grid.data;

import java.util.HashMap;
import java.util.Map;

import org.eclipse.nebula.widgets.nattable.data.IDataProvider;
import org.eclipse.swt.graphics.Point;

public class DummyModifiableBodyDataProvider implements IDataProvider {

    private int columnCount;

    private int rowCount;

    private Map<Point, Object> values = new HashMap<Point, Object>();

    public DummyModifiableBodyDataProvider(int columnCount, int rowCount) {
        this.columnCount = columnCount;
        this.rowCount = rowCount;
    }

    @Override
    public int getColumnCount() {
        return this.columnCount;
    }

    @Override
    public int getRowCount() {
        return this.rowCount;
    }

    /**
     * You have to fire a
     * {@link org.eclipse.nebula.widgets.nattable.layer.event.StructuralRefreshEvent}
     * after using this method for refreshing the NatTable.
     *
     * @param columnCount
     */
    public void setColumnCount(int columnCount) {
        this.columnCount = columnCount;
    }

    /**
     * You have to fire a
     * {@link org.eclipse.nebula.widgets.nattable.layer.event.StructuralRefreshEvent}
     * after using this method for refreshing the NatTable.
     *
     * @param rowCount
     */
    public void setRowCount(int rowCount) {
        this.rowCount = rowCount;
    }

    @Override
    public Object getDataValue(int columnIndex, int rowIndex) {
        Point point = new Point(columnIndex, rowIndex);
        if (this.values.containsKey(point)) {
            return this.values.get(point);
        } else {
            return "Col: " + (columnIndex + 1) + ", Row: " + (rowIndex + 1); //$NON-NLS-1$ //$NON-NLS-2$
        }
    }

    @Override
    public void setDataValue(int columnIndex, int rowIndex, Object newValue) {
        this.values.put(new Point(columnIndex, rowIndex), newValue);
    }

}