Application: gvSIG desktop

/*

 * Created on 11-ago-2006

 *

 */

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

 *

 * Copyright (C) 2004 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.cresques.ui.raster;

import java.awt.Dimension;

import java.awt.FlowLayout;

import java.awt.GridBagConstraints;

import java.awt.GridBagLayout;

import java.awt.Insets;

import java.awt.Toolkit;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import javax.swing.JButton;

import javax.swing.JFrame;

import javax.swing.JPanel;

import javax.swing.JTextField;

import org.cresques.ui.raster.listener.PalettePanelListener;

import org.gvsig.i18n.Messages;

/**

 * Ventana para la selecci?n del nombre al salvar una paleta de color.

 * 

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

 *

 */

public class NameChooserDialog extends BaseComponent implements ActionListener{

        private int                                         HBUTTONS = 30;

        private JPanel                                        buttons = null;

        private JPanel                                        pMain = null;

        private int                                         width = 315, height = 115;

        private int                                         widthMargin = 300;

        private JButton                                        bAccept = null;

        private JButton                                        bCancel = null;

        private JFrame                                         window = new JFrame();

        private JTextField                                tName = null;

        private PalettePanelListener        listener = null;

        private PalettePanel                        panel = null;

        /**

         * Constructor

         * @param pp PalettePanel

         */

        public NameChooserDialog(PalettePanel pp, PalettePanelListener listener){

                this.panel = pp;

                this.listener = listener;

                window.getContentPane().add(getPMain());

                init();

        }

        public void init(){

                Dimension d = Toolkit.getDefaultToolkit().getScreenSize();

                window.setLocation( (((int)d.getWidth()) >> 1) - (width >> 1), 

                                                    (((int)d.getHeight()) >> 1) - height);

                window.setSize(width, height);

                window.setFocusable(true);

                window.setResizable(false);

                window.setTitle(Messages.getText("nombre_paleta"));

                window.show();

                if(panel.getCbList().getSelectedIndex() != 0)

                        getTName().setText(panel.getCbList().getSelectedItem().toString());

                else

                        getTName().setText("Default Name");

        }

        /**

         * Obtiene el panel principal que contiene el panel de botones y cuadro

         * de texto

         * @return JPanel

         */

        private JPanel getPMain(){

                if(pMain == null){

                        GridBagConstraints gridBagConstraints = new GridBagConstraints();

                        gridBagConstraints.gridy = 0;

                        gridBagConstraints.gridx = 0;

                        gridBagConstraints.insets = new Insets (0,15,10,0);

                        gridBagConstraints.anchor = GridBagConstraints.WEST;

                        GridBagConstraints gridBagConstraints1 = new GridBagConstraints();

                        gridBagConstraints1.gridy = 1;

                        gridBagConstraints1.gridx = 0;

                        pMain = new JPanel();

                        pMain.setLayout(new GridBagLayout());

                        pMain.setPreferredSize(new java.awt.Dimension(widthMargin, height));

                        pMain.add(getTName(), gridBagConstraints);

                        pMain.add(getPButtons(), gridBagConstraints1);

                }

                return pMain;

        }

        /**

         * Obtiene el panel de botones

         * @return JPanel

         */

        private JPanel getPButtons(){

                if(buttons == null){

                        buttons = new JPanel();

                        buttons.setPreferredSize(new java.awt.Dimension(widthMargin, HBUTTONS));

                        FlowLayout flowLayout = new FlowLayout();

                        flowLayout.setAlignment(java.awt.FlowLayout.RIGHT);

                        flowLayout.setVgap(0);

                        flowLayout.setHgap(2);

                        buttons.setLayout(flowLayout);

                        buttons.add(getBAccept(), null);

                        buttons.add(getBCancel(), null);

                }

                return buttons;

        }

        /**

         * Obtiene el bot?n de aceptar

         * @return JButton

         */

        public JButton getBAccept(){

                if(bAccept == null){

                        bAccept = new JButton("aceptar");

                        bAccept.addActionListener(this);

                }

                return bAccept;

        }

        /**

         * Obtiene el bot?n de cancelar

         * @return JButton

         */

        public JButton getBCancel(){

                if(bCancel == null){

                        bCancel = new JButton("cancelar");

                        bCancel.addActionListener(this);

                }

                return bCancel;

        }

        /**

         * Al aceptar asignamos el valor cuadro de texto a la propiedad name y al cancelar cerramos la ventana

         */

        public void actionPerformed(ActionEvent e) {

                if(e.getSource() == bAccept){

                        if (!getTName().getText().equals("")){

                                listener.savePalette(panel.getPalettesPath(),getTName().getText());

                                panel.getCbList().addItem(getTName().getText());

                                panel.getCbList().setSelectedItem(getTName().getText());

                        }

                        window.hide();

                }

                if(e.getSource() == bCancel){

                        window.hide();

                }

        }

        public JFrame getWindow() {

                return window;

        }

        public JTextField getTName() {

                if (tName == null){

                        tName = new JTextField();

                        tName.setPreferredSize(new Dimension(230,20));

                }

                return tName;

        }

}