Application: gvSIG desktop

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

 *

 * Copyright (C) 2005 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.rastertools.colortable.ui.library;

import java.awt.Component;

import java.awt.Dimension;

import java.awt.GridBagConstraints;

import java.awt.GridBagLayout;

import java.awt.Insets;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.util.ArrayList;

import java.util.EventObject;

import javax.swing.BorderFactory;

import javax.swing.ButtonGroup;

import javax.swing.JLabel;

import javax.swing.JOptionPane;

import javax.swing.JPanel;

import javax.swing.JRadioButton;

import javax.swing.JTextField;

import org.gvsig.gui.beans.datainput.DataInputContainerListener;

import org.gvsig.gui.beans.datainput.DataInputField;

import org.gvsig.raster.datastruct.ColorItem;

import org.gvsig.raster.datastruct.ColorTable;

import com.iver.andami.PluginServices;

/**

 * Ventana para a?adir una nueva libreria. En ella se especificara si queremos

 * una tabla de color por intervalos o el numero de cortes. La generar? con el

 * nombre seleccionado y todos los colores seran negros inicialmente.

 * 

 * @version 01/10/2007

 * @author BorSanZa - Borja S?nchez Zamorano (borja.sanchez@iver.es)

 */

public class AddLibrary extends JOptionPane implements ActionListener, DataInputContainerListener {

  private static final long serialVersionUID = 1638303379491319120L;

  private ButtonGroup    buttonGroup1   = null;

        private JLabel         jLabelName     = null;

        private JLabel         jLabelMinim    = null;

        private JLabel         jLabelMaxim    = null;

        private JPanel         jPanel1        = null;

        private JRadioButton   jRadioInterval = null;

        private JRadioButton   jRadioCount    = null;

        private JTextField     jTextName      = null;

        private DataInputField jTextMinim     = null;

        private DataInputField jTextMaxim     = null;

        private DataInputField jTextValue     = null;

        private String         interval       = "255";

        private String         count          = "1";

        /**

         * Si supera el numero de particiones estimado, se le preguntar? al usuario si

         * quiere continuar

         */

        private int          limit_question = 500;

        /**

         * Devuelve el componente interno del JOptionPane

         * @return

         */

  private Object getMessageComponent() {

    GridBagConstraints gridBagConstraints;

          JPanel panel = new JPanel();

    panel.setLayout(new GridBagLayout());

    jPanel1 = new JPanel();

    jPanel1.setLayout(new GridBagLayout());

    jPanel1.setBorder(BorderFactory.createTitledBorder(""));

    int y = 0;

    jLabelName = new JLabel(PluginServices.getText(this, "nombre") + ":");

    gridBagConstraints = new GridBagConstraints();

    gridBagConstraints.gridx = 0;

    gridBagConstraints.gridy = y;

    gridBagConstraints.anchor = GridBagConstraints.EAST;

    gridBagConstraints.insets = new Insets(5, 5, 2, 2);

    panel.add(jLabelName, gridBagConstraints);

    jTextName = new JTextField(PluginServices.getText(this, "nueva_libreria"));

    gridBagConstraints = new GridBagConstraints();

    gridBagConstraints.gridx = 1;

    gridBagConstraints.gridy = y;

    gridBagConstraints.fill = GridBagConstraints.HORIZONTAL;

    gridBagConstraints.insets = new Insets(5, 2, 2, 5);

    panel.add(jTextName, gridBagConstraints);

    y++;

    jLabelMinim = new JLabel(PluginServices.getText(this, "minimo") + ":");

    gridBagConstraints = new GridBagConstraints();

    gridBagConstraints.gridx = 0;

    gridBagConstraints.gridy = y;

    gridBagConstraints.anchor = GridBagConstraints.EAST;

    gridBagConstraints.insets = new Insets(2, 5, 2, 2);

    panel.add(jLabelMinim, gridBagConstraints);

    jTextMinim = new DataInputField();

    jTextMinim.setValue(Double.valueOf("0").toString());

    jTextMinim.addValueChangedListener(this);

    gridBagConstraints = new GridBagConstraints();

    gridBagConstraints.gridx = 1;

    gridBagConstraints.gridy = y;

    gridBagConstraints.fill = GridBagConstraints.HORIZONTAL;

    gridBagConstraints.insets = new Insets(2, 2, 2, 5);

    panel.add(jTextMinim, gridBagConstraints);

    y++;

    jLabelMaxim = new JLabel(PluginServices.getText(this, "maximo") + ":");

    gridBagConstraints = new GridBagConstraints();

    gridBagConstraints.gridx = 0;

    gridBagConstraints.gridy = y;

    gridBagConstraints.anchor = GridBagConstraints.EAST;

    gridBagConstraints.insets = new Insets(2, 5, 2, 2);

    panel.add(jLabelMaxim, gridBagConstraints);

    jTextMaxim = new DataInputField();

    jTextMaxim.setValue(Double.valueOf("255").toString());

    jTextMaxim.addValueChangedListener(this);

    gridBagConstraints = new GridBagConstraints();

    gridBagConstraints.gridx = 1;

    gridBagConstraints.gridy = y;

    gridBagConstraints.fill = GridBagConstraints.HORIZONTAL;

    gridBagConstraints.insets = new Insets(2, 2, 2, 5);

    panel.add(jTextMaxim, gridBagConstraints);

    y++;

    gridBagConstraints = new GridBagConstraints();

    gridBagConstraints.gridx = 0;

    gridBagConstraints.gridy = y;

    gridBagConstraints.gridwidth = 2;

    gridBagConstraints.fill = GridBagConstraints.HORIZONTAL;

    gridBagConstraints.weightx = 1.0;

    gridBagConstraints.insets = new Insets(2, 5, 0, 5);

    panel.add(jPanel1, gridBagConstraints);

    // Panel vacio

    y++;

    gridBagConstraints = new GridBagConstraints();

    gridBagConstraints.gridx = 0;

    gridBagConstraints.gridy = y;

    gridBagConstraints.gridwidth = 2;

    gridBagConstraints.fill = GridBagConstraints.BOTH;

    gridBagConstraints.weightx = 1.0;

    gridBagConstraints.weighty = 1.0;

    JPanel panel2 = new JPanel();

    panel2.setPreferredSize(new Dimension(0, 0));

    panel.add(panel2, gridBagConstraints);

    jRadioInterval = new JRadioButton(PluginServices.getText(this, "tamano_intervalo"), true);

    jRadioInterval.setBorder(BorderFactory.createEmptyBorder(0, 0, 0, 0));

    jRadioInterval.setMargin(new Insets(0, 0, 0, 0));

    jRadioInterval.addActionListener(this);

    gridBagConstraints = new GridBagConstraints();

    gridBagConstraints.anchor = GridBagConstraints.WEST;

    gridBagConstraints.insets = new Insets(5, 5, 2, 5);

    jPanel1.add(jRadioInterval, gridBagConstraints);

    jRadioCount = new JRadioButton(PluginServices.getText(this, "n_intervalos"));

    jRadioCount.setBorder(BorderFactory.createEmptyBorder(0, 0, 0, 0));

    jRadioCount.setMargin(new Insets(0, 0, 0, 0));

    jRadioCount.addActionListener(this);

    gridBagConstraints = new GridBagConstraints();

    gridBagConstraints.gridx = 0;

    gridBagConstraints.gridy = 1;

    gridBagConstraints.anchor = GridBagConstraints.WEST;

    gridBagConstraints.insets = new Insets(2, 5, 2, 5);

    jPanel1.add(jRadioCount, gridBagConstraints);

    jTextValue = new DataInputField();

    jTextValue.setValue(Double.valueOf(interval).toString());

    jTextValue.addValueChangedListener(this);

    gridBagConstraints = new GridBagConstraints();

    gridBagConstraints.gridx = 0;

    gridBagConstraints.gridy = 2;

    gridBagConstraints.weightx = 1.0;

    gridBagConstraints.fill = GridBagConstraints.HORIZONTAL;

    gridBagConstraints.insets = new Insets(2, 5, 5, 5);

    jPanel1.add(jTextValue, gridBagConstraints);

    buttonGroup1 = new ButtonGroup();

    buttonGroup1.add(jRadioInterval);

    buttonGroup1.add(jRadioCount);

    return panel;

  }

  /**

         * Muestra el di?logo de la creaci?n de la tabla de color. Devolver?

         * JOptionPane.OK_OPTION si el usuario le ha dado a aceptar y otro valor en

         * caso contrario.

         * @param parentComponent

         * @return

         */

  public int showConfirm(Component parentComponent) {

          return showConfirmDialog(

                          parentComponent,

                          getMessageComponent(),

                          PluginServices.getText(this, "nueva_libreria_title"),

                          JOptionPane.OK_CANCEL_OPTION,

                          JOptionPane.PLAIN_MESSAGE);

  }

  /**

   * Devuelve la tabla de color creada segun los parametros especificados en el

   * panel.

   * @return

   */

  public ColorTable getColorTable() {

                ColorTable colorTable = new ColorTable();

                colorTable.setName(getNameLibrary());

                ArrayList items = new ArrayList();

                double start = getMinim();

                double end = getMaxim();

                if (start > end) {

                        double aux = start;

                        start = end;

                        end = aux;

                }

                double num = getInterval();

                boolean quest = false;

                if (jRadioCount.isSelected())

                        quest = (num > limit_question);

                else

                        quest = (((end - start) / num) > limit_question);

                if (quest && JOptionPane.showConfirmDialog(this, PluginServices.getText(this, "addlibrary_supera_limite"), PluginServices.getText(this, "confirmar"), JOptionPane.YES_NO_OPTION) == NO_OPTION)

                        return null;

                if (jRadioCount.isSelected()) {

                        for (double i = 0; i <= num; i++) {

                                ColorItem colorItem = new ColorItem();

                                colorItem.setValue(start + (((end - start) / num) * i));

                                items.add(colorItem);

                        }

                } else {

                        for (double i = start; i <= end; i += num) {

                                ColorItem colorItem = new ColorItem();

                                colorItem.setValue(i);

                                items.add(colorItem);

                        }

                }

                colorTable.createPaletteFromColorItems(items, false);

                return colorTable;

  }

  /**

   * Devuelve el minimo

   * @return

   */

  private double getMinim() {

                return Double.parseDouble(jTextMinim.getValue());

  }

  /**

   * Devuelve el maximo

   * @return

   */

  private double getMaxim() {

                return Double.parseDouble(jTextMaxim.getValue());

  }

        /**

         * Devuelve un intervalo valido

         * @return

         */

        private double getInterval() {

                if (jRadioCount.isSelected())

                        count = jTextValue.getValue();

                else

                        interval = jTextValue.getValue();

                double value = Double.parseDouble(jTextValue.getValue());

                double value2 = value;

                if (jRadioInterval.isSelected()) {

                        if (value > Math.abs(getMaxim() - getMinim()))

                                value = Math.abs(getMaxim() - getMinim());

                        if (value <= 0)

                                value = 1;

                } else {

                        if (value < 1)

                                value = 1;

                }

                value = Math.abs(value);

                if (value != value2) {

                        jTextValue.setValue(Double.valueOf(value).toString());

                        if (jRadioCount.isSelected())

                                count = jTextValue.getValue();

                        else

                                interval = jTextValue.getValue();

                }

                return value;

        }

        /**

         * Devuelve el nombre de la nueva libreria

         */

        private String getNameLibrary() {

                if (jTextName.getText().length() == 0)

                        return PluginServices.getText(this, "nueva_libreria");

                return jTextName.getText();

        }

        boolean selectedCount = false;

        /*

         * (non-Javadoc)

         * @see java.awt.event.ActionListener#actionPerformed(java.awt.event.ActionEvent)

         */

        public void actionPerformed(ActionEvent e) {

          if (jRadioCount.isSelected()) {

                  if (!selectedCount) {

                          interval = jTextValue.getValue();

                          jTextValue.setValue(count);

                          selectedCount = true;

                  }

          } else {

                  if (selectedCount) {

                          count = jTextValue.getValue();

                          jTextValue.setValue(interval);

                          selectedCount = false;

                  }

          }

  }

        /*

         * (non-Javadoc)

         * @see org.gvsig.gui.beans.datainput.DataInputContainerListener#actionValueChanged(java.util.EventObject)

         */

        public void actionValueChanged(EventObject e) {

                getInterval();

  }

}