de.peterspan.csv2db.ui.FileSelectionPanel.java Source code

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Here is the source code for de.peterspan.csv2db.ui.FileSelectionPanel.java

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/**
 *  Copyright 2012-2013 Frederik Hahne, Christoph Stiehm
 *
 *    This file is part of csv2db.
 *
 *  csv2db 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 3 of the License, or
 *  (at your option) any later version.
 *
 *  csv2db 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 csv2db.  If not, see <http://www.gnu.org/licenses/>.
 */
package de.peterspan.csv2db.ui;

import java.awt.BorderLayout;
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.JPanel;
import javax.swing.JTextField;
import javax.swing.filechooser.FileFilter;

import org.apache.commons.io.FilenameUtils;

import com.jgoodies.forms.builder.DefaultFormBuilder;
import com.jgoodies.forms.layout.FormLayout;

import de.peterspan.csv2db.ui.res.Icons;

public class FileSelectionPanel extends JPanel {

    /**
     * 
     */
    private static final long serialVersionUID = -3152504963068192019L;

    JFrame parent;
    JButton selectCsvFileButton;
    JTextField csvFileNameTextField;
    File inputCsvFile;

    public FileSelectionPanel(JFrame parent) {
        super();
        this.parent = parent;
        setLayout(new BorderLayout());
        init();
    }

    private void init() {
        FormLayout layout = new FormLayout("fill:pref:grow, 4dlu, pref");
        DefaultFormBuilder builder = new DefaultFormBuilder(layout);

        builder.appendSeparator("Select CSV File");
        builder.append(getCsvFilenameTextField());
        builder.append(getSelectCsvSelectButton());

        add(builder.build(), BorderLayout.CENTER);
    }

    private JTextField getCsvFilenameTextField() {
        if (csvFileNameTextField == null) {
            csvFileNameTextField = new JTextField();
            csvFileNameTextField.setEnabled(false);
        }
        return csvFileNameTextField;
    }

    private JButton getSelectCsvSelectButton() {
        if (selectCsvFileButton == null) {
            selectCsvFileButton = new JButton();
            selectCsvFileButton.setText("Select CSV");
            selectCsvFileButton.setIcon(Icons.IC_MIME_CSV_SMALL);

            selectCsvFileButton.addActionListener(new ActionListener() {

                @Override
                public void actionPerformed(ActionEvent arg0) {
                    JFileChooser fc = getFileChooser();
                    int returnValue = fc.showDialog(parent, "Select CSV");

                    if (returnValue == JFileChooser.APPROVE_OPTION) {
                        inputCsvFile = fc.getSelectedFile();
                        getCsvFilenameTextField().setText(inputCsvFile.getAbsolutePath());
                        firePropertyChange("csvFileSelected", false, true);
                    }

                }
            });
        }
        return selectCsvFileButton;
    }

    public File getInputCsvFile() {
        return inputCsvFile;
    }

    public void setInputCsvFile(File inputCsvFile) {
        this.inputCsvFile = inputCsvFile;
    }

    private JFileChooser getFileChooser() {
        JFileChooser fc = new JFileChooser();
        fc.setFileSelectionMode(JFileChooser.FILES_AND_DIRECTORIES);
        fc.setAcceptAllFileFilterUsed(false);

        fc.addChoosableFileFilter(new FileFilter() {

            @Override
            public String getDescription() {
                return "CSV Files";
            }

            @Override
            public boolean accept(File file) {
                if (file.isDirectory()) {
                    return true;
                }

                return FilenameUtils.isExtension(file.getName().toLowerCase(), "csv");
            }
        });

        return fc;
    }
}