| gvSIG desktop 1

package org.gvsig.crs.gui.panels;

import java.awt.Dimension;

import java.awt.FlowLayout;

import java.awt.GridLayout;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.io.File;

import javax.swing.JButton;

import javax.swing.JFileChooser;

import javax.swing.JFrame;

import javax.swing.JLabel;

import javax.swing.JPanel;

import javax.swing.JTextField;

import javax.swing.filechooser.FileFilter;

import com.iver.andami.PluginServices;

public class ESRIpanel extends JPanel implements ActionListener {

        /**

         * 

         */

        private static final long serialVersionUID = 1L;

        private JLabel open_esri;

        private JTextField jTextOpen;

        private JFileChooser openChooser;

        private JButton jButtonOpen;

        File f = new File("C:/Archivos de programa/FWTools1.0.0a7/data/Geographic Coordinate Systems");

        public ESRIpanel() {

                initialize();                

        }

        private void initialize(){

                this.setPreferredSize(new Dimension(525,400));

                this.setLayout(new GridLayout(2,2));

                this.setLayout(new FlowLayout(FlowLayout.CENTER,5,5));                        

                this.add(getOpenESRI(), null);

                this.add(getOpenTextField(), null);

                this.add(getButtonOpen(), null);

        }

        private JLabel getOpenESRI() {

                if(open_esri == null) {

                        open_esri = new JLabel();

                        open_esri.setPreferredSize(new Dimension(80,20));

                        open_esri.setText(PluginServices.getText(this,"Abrir .prj:"));

                }

                return open_esri;

        }

        private JTextField getOpenTextField() {

                if(jTextOpen == null) {

                        jTextOpen = new JTextField();

                        jTextOpen.setPreferredSize(new Dimension(200,20));

                        jTextOpen.setText("");

                }

                return jTextOpen;

        }

        private JFileChooser getOpen(){

                if(openChooser == null){

                        openChooser = new JFileChooser();

                        openChooser.addChoosableFileFilter(new FiltroESRI());

                        openChooser.setEnabled(false);

                }

                return openChooser;

        }

        private JButton getButtonOpen() {

                if(jButtonOpen == null) {

                        jButtonOpen = new JButton();

                        jButtonOpen.setText("");

                        jButtonOpen.setPreferredSize(new Dimension(20,20));

                        jButtonOpen.addActionListener(this);

                }

                return jButtonOpen;

        }

        public void actionPerformed(ActionEvent e) {

                // TODO Auto-generated method stub

                if (e.getSource() == this.getButtonOpen()){

                        add(getOpen(), null);

                        openChooser.setCurrentDirectory(f);

                        int returnVal = openChooser.showOpenDialog(ESRIpanel.this);

                if (returnVal == JFileChooser.APPROVE_OPTION) {

                    File file = openChooser.getSelectedFile();

                    jTextOpen.setText(file.getAbsolutePath());

                }

                }

        }        

}

class FiltroESRI extends FileFilter{        

         final static String prj = "prj";

                public boolean accept(File f) {

                        if (f.isDirectory()) {

                    return true;

                }

                String s = f.getName();

                int i = s.lastIndexOf('.');

                if (i > 0 &&  i < s.length() - 1) {

                    String extension = s.substring(i+1).toLowerCase();

                    if (prj.equals(extension)){

                            return true;

                    } else {

                        return false;

                    }

                }

                return false;

                }

                public String getDescription() {

                         return "Archivos .prj";

                }

}