Application: gvSIG desktop

        <field name="side_window" type="integer" mandatory="false" minValue="3" maxValue="7" defaultValue="3" group="Basic">

        <field name="custom_kernel" type="object" subtype="kernel" mandatory="false" group="Basic" classOfValue="org.gvsig.raster.lib.buffer.api.Kernel">

import org.gvsig.raster.swing.buffer.impl.operations.dynformfield.JDynFormFieldKernelFactory;

        DynFormSPIManager manager = DynFormSPILocator.getDynFormSPIManager();

        if( manager != null ) {

                manager.addServiceFactory(new JDynFormFieldKernelFactory());

        }

/* gvSIG. Desktop Geographic Information System.

 *

 * Copyright ? 2007-2018 gvSIG Association

 *

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Public License

 * as published by the Free Software Foundation; either version 2

 * of the License, or (at your option) any later version.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,

 * MA  02110-1301, USA.

 *

 * For any additional information, do not hesitate to contact us

 * at info AT gvsig.com, or visit our website www.gvsig.com.

 */

package org.gvsig.raster.swing.buffer.impl.operations.dynformfield;

import javax.swing.table.AbstractTableModel;

import org.gvsig.raster.lib.buffer.api.Kernel;

/**

 * @author fdiaz

 *

 */

public class KernelTableModel extends AbstractTableModel {

    private Kernel kernel;

    /**

     * @param kernel

     */

    public KernelTableModel(Kernel kernel){

        this.kernel = kernel;

    }

    @Override

    public int getRowCount() {

        return kernel.getSide();

    }

    @Override

    public int getColumnCount() {

        return kernel.getSide();

    }

    @Override

    public Object getValueAt(int rowIndex, int columnIndex) {

        return kernel.getKernel()[rowIndex][columnIndex];

    }

    public Kernel getKernel() {

        return kernel;

    }

}

import javax.swing.JTable;

import org.gvsig.raster.lib.buffer.api.BufferLocator;

import org.gvsig.raster.lib.buffer.api.BufferManager;

import org.gvsig.raster.lib.buffer.api.Kernel;

/**

 * @author fdiaz

 *

 */

    private JTable matrix;

    /**

     * @param parameters

     * @param serviceManager

     */

        if (this.getParameterValue() != null) {

            setValue((Kernel) this.getParameterValue());

        }

        if(matrix==null){

            return null;

        }

        return ((KernelTableModel)matrix.getModel()).getKernel();

        //FIXME: Ver las condiciones para devolver true

        return true;

        KernelTableModel model = new KernelTableModel((Kernel) arg0);

        matrix.setModel(model);

                doChangeSizeMatrix((Integer)kernelSizeField.getValue());

        matrix = new JTable();

        matrix.setTableHeader(null);

        panel.add(matrix);

    protected void doChangeSizeMatrix(Integer value) {

        BufferManager manager = BufferLocator.getBufferManager();

        double[][] k = new double[value][value];

        for (int i = 0; i < value; i++) {

            for (int j = 0; j < value; j++) {

                k[i][j]=0d;

            }

        }

        Kernel kernel = manager.createKernel(k);

        KernelTableModel model = new KernelTableModel(kernel);

        matrix.setModel(model);

    }

/**

 * gvSIG. Desktop Geographic Information System.

 *

 * Copyright (C) 2007-2013 gvSIG Association.

 *

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Public License

 * as published by the Free Software Foundation; either version 3

 * of the License, or (at your option) any later version.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,

 * MA  02110-1301, USA.

 *

 * For any additional information, do not hesitate to contact us

 * at info AT gvsig.com, or visit our website www.gvsig.com.

 */

package org.gvsig.raster.swing.buffer.impl.operations.dynformfield;

import org.gvsig.raster.lib.buffer.api.Kernel;

import org.gvsig.tools.ToolsLocator;

import org.gvsig.tools.dataTypes.DataTypes;

import org.gvsig.tools.dynform.spi.DynFormSPILocator;

import org.gvsig.tools.dynform.spi.DynFormSPIManager;

import org.gvsig.tools.dynform.spi.JDynFormFieldFactory;

import org.gvsig.tools.dynobject.DynField;

import org.gvsig.tools.dynobject.DynObject;

import org.gvsig.tools.dynobject.DynObjectManager;

import org.gvsig.tools.dynobject.DynStruct;

import org.gvsig.tools.service.Service;

import org.gvsig.tools.service.ServiceException;

import org.gvsig.tools.service.spi.ServiceManager;

/**

 * @author fdiaz

 *

 */

public class JDynFormFieldKernelFactory implements JDynFormFieldFactory {

	private String name = null;

	private DynStruct parametersDefinition = null;

        @Override

	public String getName() {

		if( name == null ) {

			DynFormSPIManager manager = DynFormSPILocator.getDynFormSPIManager();

			this.name = manager.makeServiceName(DataTypes.DYNOBJECT, "kernel");

		}

		return this.name;

	}

        @Override

	public Service create(DynObject parameters, ServiceManager serviceManager)

			throws ServiceException {

		return new JDynFormFieldKernel(parameters, serviceManager);

	}

        @Override

	public DynObject createParameters() {

		return ToolsLocator.getDynObjectManager().createDynObject(parametersDefinition);

	}

        @Override

	public void initialize() {

		if( this.parametersDefinition == null ) {

			String serviceName = this.getName();

    		DynObjectManager manager = ToolsLocator.getDynObjectManager();

    		this.parametersDefinition = manager.createDynClass(

    				serviceName, "Parameters definition for Feature links fields in dynamic forms");

    		this.parametersDefinition.addDynFieldObject(DynFormSPIManager.FIELD_FIELDDEFINITION)

				.setClassOfValue(Kernel.class).setMandatory(true);

    		this.parametersDefinition.addDynFieldObject(DynFormSPIManager.FIELD_VALUE)

				.setClassOfValue(Kernel.class).setMandatory(true);

		}

	}

}