Application: gvSIG desktop

/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana

 *

 * Copyright (C) 2007 IVER T.I. and Generalitat Valenciana.

 *

 * 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307,USA.

 */

package org.gvsig.georeferencing.ui.launcher;

import java.awt.GridBagConstraints;

import java.awt.GridBagLayout;

import java.awt.Insets;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import javax.swing.ButtonGroup;

import javax.swing.JPanel;

import javax.swing.JRadioButton;

import org.gvsig.georeferencing.main.Georeferencing;

import org.gvsig.raster.util.RasterToolsUtil;

import com.iver.utiles.swing.JComboBox;

/**

 * Panel de selecci?n de algoritmo de georreferenciaci?n.

 * 

 * 10/01/2008

 * @author Nacho Brodin (nachobrodin@gmail.com)

 */

public class AlgorithmSelectionPanel extends JPanel implements ActionListener {

        private static final long   serialVersionUID = 1L;        

        private int                 polynomialDegree;

        private JRadioButton        affine = null;

        private JRadioButton        polynomial = null;

        private JComboBox           degreeList = null;

        /**

         * Constructor. Asigna la lista de nombres de vistas para el selector. 

         * @param viewList

         */

        public AlgorithmSelectionPanel(int polynomialDegree) {

                this.polynomialDegree = polynomialDegree;

                init();

        }

        /**

         * Acciones de inicializaci?n del panel

         */

        public void init() {

                ButtonGroup group = new ButtonGroup();

            group.add(getAffine());

            group.add(getPolynomial());

            getPolynomial().addActionListener(this);

            getAffine().addActionListener(this);

                GridBagLayout gl = new GridBagLayout();

                setLayout(gl);

                setBorder(javax.swing.BorderFactory.createTitledBorder(null, RasterToolsUtil.getText(this, "georef_algorithm"), javax.swing.border.TitledBorder.DEFAULT_JUSTIFICATION, javax.swing.border.TitledBorder.DEFAULT_POSITION, null, null));

                GridBagConstraints gbc = new GridBagConstraints();

                gbc.weightx = 1.0;

                gbc.fill = GridBagConstraints.HORIZONTAL;

                gbc.insets = new Insets(0, 5, 8, 0);

                add(getAffine(), gbc);

                gbc.gridy = 1;

                gbc.insets = new Insets(0, 5, 8, 0);

                add(getPolynomial(), gbc);

                gbc.gridy = 2;

                gbc.insets = new Insets(0, 35, 8, 0);

                add(getDegreeList(), gbc);

        }

        /**

         * Obtiene el radio but?n de la selecci?n sin cartograf?a de referencia

         * @return JRadioButton

         */

        public JRadioButton getAffine() {

                if(affine == null) {

                        affine = new JRadioButton(RasterToolsUtil.getText(this, "affine_algorithm"));

                        affine.setSelected(true);

                        actionPerformed(null);

                }

                return affine;

        }

        /**

         * Obtiene el radio but?n de la selecci?n con cartograf?a de referencia

         * @return JRadioButton

         */

        public JRadioButton getPolynomial() {

                if(polynomial == null)

                        polynomial = new JRadioButton(RasterToolsUtil.getText(this, "polynomial_algorithm"));

                return polynomial;

        }

        /**

         * Obtiene el combo con la lista de vistas para la selecci?n de la que contiene

         * la cartograf?a de referencia.

         * @return JComboBox

         */

        public JComboBox getDegreeList() {

                if(degreeList == null) {

                        degreeList = new JComboBox();

                        for (int i = 1; i <= polynomialDegree; i++) 

                                degreeList.addItem(RasterToolsUtil.getText(this, "degree") + ": " + i);

                }

                return degreeList;

        }

        /**

         * Eventos de selecci?n en los RadioButton de selecci?n de Algoritmo

         */

        public void actionPerformed(ActionEvent e) {

                getDegreeList().setEnabled(getPolynomial().isSelected());

        }

        //-------Consulta de propiedades seleccionadas---------

        /**

         * Obtiene el grado seleccionado

         * @return valor del grado seleccionado

         */

        public int getSelectedDegree() {

                if(degreeList != null && getPolynomial().isSelected()) {

                        String s = (String)degreeList.getSelectedItem();

                        s = s.substring(s.lastIndexOf(": "), s.length());

                        try {

                                return Integer.valueOf(s).intValue();

                        } catch (NumberFormatException e) {

                                return 0;

                        }

                }

                return 0;

        }

        /**

         * Obtiene el algoritmo seleccionado

         * @return constante definida en Georeferencing con el algoritmo seleccionado

         */

        public int getAlgorithm() {

                if(getPolynomial().isSelected())

                        return Georeferencing.POLYNOMIAL;

                if(getAffine().isSelected())

                        return Georeferencing.AFFINE;

                return Georeferencing.UNDEFINED;

        }

        /**

         * Asigna el grado del polinomio seleccionado

         * @param grado del polinomio

         */

        public void setDegree(int degree) {

                for (int i = 0; i < degreeList.getItemCount(); i++) {

                        String item = (String)degreeList.getItemAt(i);

                        if(item.endsWith(": " + degree)) {

                                degreeList.setSelectedIndex(i);

                                return;

                        }

                }

        }

        /**

         * Asigna el algoritmo

         * @param alg

         */

        public void setAlgorithm(int alg) {

                switch (alg) {

                case Georeferencing.AFFINE: 

                                getAffine().setSelected(true);

                                getPolynomial().setSelected(false);

                                break;

                case Georeferencing.POLYNOMIAL:

                                getPolynomial().setSelected(true);

                                getAffine().setSelected(false);

                                break;

                }

        }

}