Application: gvSIG desktop

/*

 * Cresques Mapping Suite. Graphic Library for constructing mapping applications.

 *

 * Copyright (C) 2004-5.

 *

 * 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.

 *

 * For more information, contact:

 *

 * cresques@gmail.com

 */

package org.cresques.ui.raster;

import java.awt.BorderLayout;

import java.awt.Color;

import java.awt.GridBagConstraints;

import java.awt.GridBagLayout;

import javax.swing.JCheckBox;

import javax.swing.JLabel;

import javax.swing.JPanel;

import javax.swing.JSlider;

import javax.swing.JTextField;

/**

 * Dialogo para asignar la transparencia por pixel y global al raster.

 * @author Nacho Brodin (brodin_ign@gva.es)

 */

public class RasterTransparencyPanel extends JPanel {

    final private static long serialVersionUID = -3370601314380922368L;

    /**

     * Nombre del panel

     */

    private String nom = "Transparencia";

    FilterRasterDialogPanel parent = null;

    /**

     * N?mero de bandas del raster

     */

    public int nBands = 3;

    private String[] nameBands = { "Rojo", "Verde", "Azul" };

    private JPanel jPanel = null;

    private JPanel jPanel1 = null;

    private JPanel jPanel2 = null;

    private JPanel jPanel3 = null;

    private JCheckBox cbTransparencia = null;

    /**

     * Variable p?blica para la traducci?n

     */

    public JLabel lRedValue = null;

    private JTextFieldExt tRojo = null;

    /**

     * Variable p?blica para la traducci?n

     */

    public JLabel lGreenValue = null;

    /**

     * Variable p?blica para la traducci?n

     */

    public JLabel lBlueValue = null;

    /**

     * Variable p?blica para la traducci?n

     */

    public JPanel pGeneralTrans = null;

    /**

     * Variable p?blica para la traducci?n

     */

    public JLabel lRange = null;

    /**

     * Variable p?blica para la traducci?n

     */

    public JLabel lPixelValue = null;

    private JTextFieldExt tVerde = null;

    private JTextFieldExt tAzul = null;

    private JCheckBox cbOpacidad = null;

    private JSlider slOpacidad = null;

    private JTextField tOpacidad = null;

    private JPanel jPanel5 = null;

    private JPanel jPanel6 = null;

    /**

     * Constructor. Asigna la variable panel que contiene este

     * @param parent FilterRasterDialogPanel

     */

    public RasterTransparencyPanel(FilterRasterDialogPanel parent) {

        this.parent = parent;

        initialize();

    }

    /**

     * This method initializes this

     *

     * @return void

     */

    private void initialize() {

        this.setLayout(new BorderLayout());

        this.setBounds(0, 0, 445, 239);

        this.setPreferredSize(new java.awt.Dimension(445, 239));

        this.add(getJPanel(), java.awt.BorderLayout.CENTER);

        initControls();

    }

    /**

     * Obtiene el nombre del panel

     * @return Cadena con el nombre del panel

     */

    public String getName(){

            return this.nom;

    }

    /**

     * Asigna el n?mero de bandas de la imagen

     * @param nBands

     */

    public void setBands(int nBands) {

        this.nBands = nBands;

    }

    /**

     * Asigna el n?mero de bandas de la imagen

     * @param nBands

     */

    public void setNameBands(String[] nameBands) {

        this.nameBands = nameBands;

    }

    /**

     * Inicializa controles a sus valores por defecto

     */

    public void initControls() {

        this.getOpacityText().setText("100");

        this.setActiveOpacityControl(false);

        this.setActiveTransparencyControl(false);

    }

    /**

     * Esta funci?n no est? en uso.

     * Oculta los controles de transparencia por bandas en caso de que haya menos de 3 bandas.

     *

     */

    public void updateTextBox() {

        if (parent.nbands == 1) {

            this.getTRojo().setVisible(true);

            this.getTVerde().setVisible(false);

            this.getTAzul().setVisible(false);

            lRedValue.setVisible(true);

            lGreenValue.setVisible(false);

            lBlueValue.setVisible(false);

        }

        if (parent.nbands == 2) {

            this.getTRojo().setVisible(true);

            this.getTVerde().setVisible(true);

            this.getTAzul().setVisible(false);

            lRedValue.setVisible(true);

            lGreenValue.setVisible(true);

            lBlueValue.setVisible(false);

        }

        if (parent.nbands >= 3) {

            this.getTRojo().setVisible(true);

            this.getTVerde().setVisible(true);

            this.getTAzul().setVisible(true);

            lRedValue.setVisible(true);

            lGreenValue.setVisible(true);

            lBlueValue.setVisible(true);

        }

    }

    /**

     * This method initializes jPanel

     *

     * @return javax.swing.JPanel

     */

    private JPanel getJPanel() {

        if (jPanel == null) {

            GridBagConstraints gridBagConstraints1 = new GridBagConstraints();

            GridBagConstraints gridBagConstraints9 = new GridBagConstraints();

            GridBagConstraints gridBagConstraints8 = new GridBagConstraints();

            GridBagConstraints gridBagConstraints7 = new GridBagConstraints();

            GridBagConstraints gridBagConstraints6 = new GridBagConstraints();

            GridBagConstraints gridBagConstraints5 = new GridBagConstraints();

            jPanel = new JPanel();

            jPanel.setLayout(new GridBagLayout());

            gridBagConstraints5.fill = java.awt.GridBagConstraints.NONE;

            gridBagConstraints5.ipady = 0;

            gridBagConstraints5.gridheight = 1;

            gridBagConstraints5.gridwidth = 0;

            gridBagConstraints5.anchor = java.awt.GridBagConstraints.WEST;

            gridBagConstraints5.insets = new java.awt.Insets(0, 0, 0, 0);

            gridBagConstraints6.gridwidth = 0;

            gridBagConstraints6.anchor = java.awt.GridBagConstraints.WEST;

            gridBagConstraints7.gridwidth = 1;

            gridBagConstraints7.insets = new java.awt.Insets(20, 0, 0, 0);

            gridBagConstraints8.gridwidth = 0;

            gridBagConstraints8.anchor = java.awt.GridBagConstraints.WEST;

            jPanel.setPreferredSize(new java.awt.Dimension(333, 113));

            gridBagConstraints9.gridx = 0;

            gridBagConstraints9.gridy = 1;

            gridBagConstraints9.insets = new java.awt.Insets(0, 180, 0, 0);

            gridBagConstraints1.gridx = 0;

            gridBagConstraints1.gridy = 2;

            gridBagConstraints1.insets = new java.awt.Insets(0, 180, 0, 0);

            jPanel.add(getJPanel1(), gridBagConstraints5);

            jPanel.add(getJPanel2(), gridBagConstraints6);

            jPanel.add(getJPanel3(), gridBagConstraints8);

            jPanel.add(getJPanel4(), gridBagConstraints7);

            jPanel.add(getJPanel5(), gridBagConstraints9);

            jPanel.add(getJPanel6(), gridBagConstraints1);

        }

        return jPanel;

    }

    /**

     * This method initializes jPanel1

     *

     * @return javax.swing.JPanel

     */

    private JPanel getJPanel1() {

        if (jPanel1 == null) {

            lRedValue = new JLabel();

            jPanel1 = new JPanel();

            jPanel1.setLayout(new BorderLayout());

            lRedValue.setText("Valor Rojo: ");

            jPanel1.setPreferredSize(new java.awt.Dimension(170, 42));

            jPanel1.add(getTransparencyCheck(), java.awt.BorderLayout.NORTH);

            jPanel1.add(lRedValue, java.awt.BorderLayout.WEST);

            jPanel1.add(getTRojo(), java.awt.BorderLayout.EAST);

        }

        return jPanel1;

    }

    /**

     * This method initializes jPanel2

     *

     * @return javax.swing.JPanel

     */

    private JPanel getJPanel2() {

        if (jPanel2 == null) {

            lGreenValue = new JLabel();

            jPanel2 = new JPanel();

            jPanel2.setLayout(new BorderLayout());

            lGreenValue.setText("Valor Verde: ");

            jPanel2.setPreferredSize(new java.awt.Dimension(170, 19));

            jPanel2.add(lGreenValue, java.awt.BorderLayout.WEST);

            jPanel2.add(getTVerde(), java.awt.BorderLayout.EAST);

        }

        return jPanel2;

    }

    /**

     * This method initializes jPanel3

     *

     * @return javax.swing.JPanel

     */

    private JPanel getJPanel3() {

        if (jPanel3 == null) {

            lBlueValue = new JLabel();

            jPanel3 = new JPanel();

            jPanel3.setLayout(new BorderLayout());

            lBlueValue.setText("Valor Azul: ");

            jPanel3.setPreferredSize(new java.awt.Dimension(170, 19));

            jPanel3.add(lBlueValue, java.awt.BorderLayout.WEST);

            jPanel3.add(getTAzul(), java.awt.BorderLayout.EAST);

        }

        return jPanel3;

    }

    /**

     * This method initializes jCheckBox

     *

     * @return javax.swing.JCheckBox

     */

    public JCheckBox getTransparencyCheck() {

        if (cbTransparencia == null) {

            cbTransparencia = new JCheckBox();

            cbTransparencia.setText("Transparencia");

        }

        return cbTransparencia;

    }

    /**

     * This method initializes jTextField

     *

     * @return javax.swing.JTextField

     */

    public JTextFieldExt getTRojo() {

        if (tRojo == null) {

            tRojo = new JTextFieldExt(this.getBackground());

            tRojo.setPreferredSize(new java.awt.Dimension(80, 19));

        }

        return tRojo;

    }

    /**

     * This method initializes jTextField1

     *

     * @return javax.swing.JTextField

     */

    public JTextFieldExt getTVerde() {

        if (tVerde == null) {

            tVerde = new JTextFieldExt(this.getBackground());

            tVerde.setPreferredSize(new java.awt.Dimension(80, 19));

        }

        return tVerde;

    }

    /**

     * This method initializes jTextField2

     *

     * @return javax.swing.JTextField

     */

    public JTextFieldExt getTAzul() {

        if (tAzul == null) {

            tAzul = new JTextFieldExt(this.getBackground());

            tAzul.setPreferredSize(new java.awt.Dimension(80, 19));

        }

        return tAzul;

    }

    /**

     * This method initializes jPanel4

     *

     * @return javax.swing.JPanel

     */

    private JPanel getJPanel4() {

        if (pGeneralTrans == null) {

                pGeneralTrans = new JPanel();

                pGeneralTrans.setBorder(javax.swing.BorderFactory.createLineBorder(java.awt.Color.gray,

                                                                         1));

                pGeneralTrans.setPreferredSize(new java.awt.Dimension(415, 35));

                pGeneralTrans.add(getOpacityCheck(), null);

                pGeneralTrans.add(getOpacitySlider(), null);

                pGeneralTrans.add(getOpacityText(), null);

        }

        return pGeneralTrans;

    }

    /**

     * This method initializes jCheckBox1

     *

     * @return javax.swing.JCheckBox

     */

    public JCheckBox getOpacityCheck() {

        if (cbOpacidad == null) {

            cbOpacidad = new JCheckBox();

            cbOpacidad.setText("Opacidad");

        }

        return cbOpacidad;

    }

    /**

     * This method initializes jSlider

     *

     * @return javax.swing.JSlider

     */

    public JSlider getOpacitySlider() {

        if (slOpacidad == null) {

            slOpacidad = new JSlider();

            slOpacidad.setPreferredSize(new java.awt.Dimension(280, 16));

        }

        return slOpacidad;

    }

    /**

     * This method initializes jTextField3

     *

     * @return javax.swing.JTextField

     */

    public JTextField getOpacityText() {

        if (tOpacidad == null) {

            tOpacidad = new JTextField();

            tOpacidad.setPreferredSize(new java.awt.Dimension(30, 19));

        }

        return tOpacidad;

    }

    /**

     * This method initializes jPanel5

     *

     * @return javax.swing.JPanel

     */

    private JPanel getJPanel5() {

        if (jPanel5 == null) {

            lRange = new JLabel();

            jPanel5 = new JPanel();

            lRange.setText("Usa un rango: 1,3,5:8");

            jPanel5.setPreferredSize(new java.awt.Dimension(161, 21));

            jPanel5.add(lRange, null);

        }

        return jPanel5;

    }

    /**

     * Activa/Desactiva los controles de opacidad

     * @param active

     */

    public void setActiveOpacityControl(boolean active) {

        this.getOpacityCheck().setSelected(active);

        this.getOpacitySlider().setEnabled(active);

        this.getOpacityText().setEnabled(active);

    }

    /**

     * Activa/Desactiva los controles de transparencia

     * @param active

     */

    public void setActiveTransparencyControl(boolean active) {

        this.getTransparencyCheck().setSelected(active);

        this.getTRojo().setEnabled(active);

        if ((active && (parent.nbands >= 2)) || !active) {

            this.getTVerde().setEnabled(active);

        } else {

            this.getTVerde().setEnabled(false);

        }

        if ((active && (parent.nbands >= 3)) || !active) {

            this.getTAzul().setEnabled(active);

        } else {

            this.getTAzul().setEnabled(false);

        }

    }

    /**

     * Asigna el valor de opacidad a los controles de la ventana

     * para que cuando esta se abra tenga los valores seleccionados en la

     * imagen.

     * @param alpha

     */

    public void setOpacity(int alpha) {

        int opacityPercent = (int) ((alpha * 100) / 255);

        this.getOpacityText().setText(String.valueOf(opacityPercent));

        this.getOpacitySlider().setValue(opacityPercent);

        this.setActiveOpacityControl(true);

        if (opacityPercent == 100) {

            this.setActiveOpacityControl(false);

        }

    }

    /**

     * This method initializes jPanel6

     *

     * @return javax.swing.JPanel

     */

    private JPanel getJPanel6() {

        if (jPanel6 == null) {

            lPixelValue = new JLabel();

            jPanel6 = new JPanel();

            jPanel6.setPreferredSize(new java.awt.Dimension(161, 20));

            lPixelValue.setText("Valor de pixel: 0 a 255");

            jPanel6.add(lPixelValue, null);

        }

        return jPanel6;

    }

    public class JTextFieldExt extends JTextField {

        final private static long serialVersionUID = -3370601314380922368L;

        private Color color = null;

        public JTextFieldExt(Color color) {

            this.color = color;

        }

        public JTextFieldExt() {

            super();

        }

        public void setEnabled(boolean enabled) {

            super.setEnabled(enabled);

            if (!enabled) {

                if (color == null) {

                    this.setBackground(new Color(210, 210, 210));

                } else {

                    this.setBackground(color);

                }

            } else {

                this.setBackground(new Color(255, 255, 255));

            }

        }

    }

} //  @jve:decl-index=0:visual-constraint="36,15"