| gvSIG desktop 1

package org.gvsig.newlayer.prov.file;

import java.awt.BorderLayout;

import java.awt.Component;

import java.io.File;

import javax.swing.JOptionPane;

import org.gvsig.gui.beans.wizard.panel.SelectFileOptionPanel;

import org.gvsig.i18n.Messages;

import org.gvsig.newlayer.NewLayerException;

import org.gvsig.newlayer.NewLayerProviderPanel;

public class NewLayerFileProviderPanel extends NewLayerProviderPanel{

    private SelectFileOptionPanel selectFileOptionPanel; 

        protected NewLayerFileProviderPanel(AbstractNewLayerFileProvider provider) {

                super(provider);

                this.setLayout(new BorderLayout());

        selectFileOptionPanel =

            new org.gvsig.gui.beans.wizard.panel.SelectFileOptionPanel(null);

        add(selectFileOptionPanel, BorderLayout.NORTH);

        }

        public AbstractNewLayerFileProvider getProvider() {

                return (AbstractNewLayerFileProvider) this.provider;

        }

        public File getSelectedFile(){

            return selectFileOptionPanel.getSelectedFile();

        }

    @Override

    public String getTitle() {

        return Messages.getText("output_file");

    }

    @Override

    public boolean isValidPanel() throws NewLayerException {

        File file = selectFileOptionPanel.getSelectedFile();

        if ((file == null) || (file.equals(""))) {

            throw new NotEmptyFileException();

        }

        if (file.exists()) {

            int resp =

                JOptionPane

                    .showConfirmDialog(

                        (Component) selectFileOptionPanel.getParent(),

                        Messages.getText("fichero_ya_existe_seguro_desea_guardarlo"),

                        Messages.getText("guardar"),

                        JOptionPane.YES_NO_OPTION);

            if (resp == JOptionPane.NO_OPTION) {

                return false;

            }

        }

        return true;       

    }

    class NotEmptyFileException extends NewLayerException {

        private static final long serialVersionUID = -3619912245694177044L;

        private final static String MESSAGE_FORMAT = "The file can not be empty.";

        private final static String MESSAGE_KEY = "_file_can_not_be_empty_exception";

        public NotEmptyFileException() {

            super(MESSAGE_FORMAT, MESSAGE_KEY, serialVersionUID);

        }

    }

    @Override

    public void updatePanel() {

        // TODO Auto-generated method stub

    }

}