FileView.java

/*
 * DSS - Digital Signature Services
 *
 * Copyright (C) 2013 European Commission, Directorate-General Internal Market and Services (DG MARKT), B-1049 Bruxelles/Brussel
 *
 * Developed by: 2013 ARHS Developments S.A. (rue Nicolas Bové 2B, L-1253 Luxembourg) http://www.arhs-developments.com
 *
 * This file is part of the "DSS - Digital Signature Services" project.
 *
 * "DSS - Digital Signature Services" is free software: you can redistribute it and/or modify it under the terms of
 * the GNU Lesser General Public License as published by the Free Software Foundation, either version 2.1 of the
 * License, or (at your option) any later version.
 *
 * DSS 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 Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License along with
 * "DSS - Digital Signature Services".  If not, see <http://www.gnu.org/licenses/>.
 */

package eu.europa.ec.markt.dss.applet.view.signature;

import java.awt.Container;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.beans.PropertyChangeEvent;
import java.io.File;

import javax.swing.JButton;
import javax.swing.JFileChooser;
import javax.swing.JLabel;

import com.jgoodies.forms.builder.PanelBuilder;
import com.jgoodies.forms.layout.CellConstraints;
import com.jgoodies.forms.layout.FormLayout;

import eu.europa.ec.markt.dss.applet.model.SignatureModel;
import eu.europa.ec.markt.dss.applet.util.ComponentFactory;
import eu.europa.ec.markt.dss.applet.util.ResourceUtils;
import eu.europa.ec.markt.dss.applet.wizard.signature.SignatureWizardController;
import eu.europa.ec.markt.dss.commons.swing.mvc.applet.AppletCore;
import eu.europa.ec.markt.dss.commons.swing.mvc.applet.wizard.WizardView;

/**
 * 
 * TODO
 * 
 * <p>
 * DISCLAIMER: Project owner DG-MARKT.
 * 
 * @version $Revision: 1016 $ - $Date: 2011-06-17 15:30:45 +0200 (Fri, 17 Jun 2011) $
 * @author <a href="mailto:dgmarkt.Project-DSS@arhs-developments.com">ARHS Developments</a>
 */
public class FileView extends WizardView<SignatureModel, SignatureWizardController> {

    /**
     * 
     * TODO
     * 
     * <p>
     * DISCLAIMER: Project owner DG-MARKT.
     * 
     * @version $Revision: 1016 $ - $Date: 2011-06-17 15:30:45 +0200 (Fri, 17 Jun 2011) $
     * @author <a href="mailto:dgmarkt.Project-DSS@arhs-developments.com">ARHS Developments</a>
     */
    private class SelectFileAEventListener implements ActionListener {
        /*
         * (non-Javadoc)
         * 
         * @see java.awt.event.ActionListener#actionPerformed(java.awt.event.ActionEvent)
         */
        @Override
        public void actionPerformed(final ActionEvent e) {
            final JFileChooser chooser = new JFileChooser();
            final int result = chooser.showOpenDialog(getCore());

            if (result == JFileChooser.APPROVE_OPTION) {
                getModel().setSelectedFile(chooser.getSelectedFile());
                getModel().setFormat(null);
                getModel().setPackaging(null);
            }
        }
    }

    private static final String I18N_NO_FILE_SELECTED = ResourceUtils.getI18n("NO_FILE_SELECTED");
    private static final String I18N_BROWSE_SIGNED = ResourceUtils.getI18n("BROWSE_SIGNED");
    private static final String I18N_FILE_TO_SIGN = ResourceUtils.getI18n("FILE_TO_SIGN");

    private final JLabel fileSourceLabel;
    private final JButton selectFileSource;

    /**
     * 
     * The default constructor for FileView.
     * 
     * @param core
     * @param controller
     * @param model
     */
    public FileView(final AppletCore core, final SignatureWizardController controller, final SignatureModel model) {
        super(core, controller, model);
        fileSourceLabel = ComponentFactory.createLabel(I18N_NO_FILE_SELECTED);
        selectFileSource = ComponentFactory.createFileChooser(I18N_BROWSE_SIGNED, true, new SelectFileAEventListener());
    }

    /*
     * (non-Javadoc)
     * 
     * @see eu.europa.ec.markt.dss.applet.view.DSSAppletView#doInit()
     */
    @Override
    public void doInit() {
        final File selectedFile = getModel().getSelectedFile();
        fileSourceLabel.setText(selectedFile != null ? selectedFile.getName() : I18N_NO_FILE_SELECTED);
    }

    /*
     * (non-Javadoc)
     * 
     * @see eu.europa.ec.markt.dss.applet.view.DSSAppletView#doLayout()
     */
    @Override
    protected Container doLayout() {
        final FormLayout layout = new FormLayout("5dlu, pref, 5dlu, pref, 5dlu ,pref:grow ,5dlu", "5dlu, pref, 5dlu, pref, 5dlu");
        final PanelBuilder builder = ComponentFactory.createBuilder(layout);
        final CellConstraints cc = new CellConstraints();
        builder.addSeparator(I18N_FILE_TO_SIGN, cc.xyw(2, 2, 5));
        builder.add(selectFileSource, cc.xy(2, 4));
        builder.add(fileSourceLabel, cc.xyw(4, 4, 3));
        return ComponentFactory.createPanel(builder);
    }

    /*
     * (non-Javadoc)
     * 
     * @see
     * eu.europa.ec.markt.dss.commons.swing.mvc.applet.wizard.WizardView#wizardModelChange(java.beans.PropertyChangeEvent
     * )
     */
    @Override
    public void wizardModelChange(final PropertyChangeEvent evt) {

        if (evt.getPropertyName().equals(SignatureModel.PROPERTY_SELECTED_FILE)) {
            final File selectedFile = getModel().getSelectedFile();
            final String text = selectedFile == null ? I18N_NO_FILE_SELECTED : selectedFile.getName();
            fileSourceLabel.setText(text);
        }

    }

}