eu.lp0.cursus.ui.AboutDialog.java Source code

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Here is the source code for eu.lp0.cursus.ui.AboutDialog.java

Source

/*
   cursus - Race series management program
   Copyright 2011, 2013-2014  Simon Arlott
    
   This program is free software: you can redistribute it and/or modify
   it under the terms of the GNU Affero General Public License as published by
   the Free Software Foundation, either version 3 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 Affero General Public License for more details.
    
   You should have received a copy of the GNU Affero General Public License
   along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package eu.lp0.cursus.ui;

import java.awt.Dimension;
import java.awt.Font;
import java.awt.Frame;
import java.awt.event.KeyEvent;
import java.io.IOException;
import java.net.URL;
import java.util.Arrays;
import java.util.Iterator;

import javax.swing.Action;
import javax.swing.JButton;
import javax.swing.JComponent;
import javax.swing.JDialog;
import javax.swing.JLabel;
import javax.swing.JScrollPane;
import javax.swing.JTextArea;
import javax.swing.KeyStroke;
import javax.swing.ScrollPaneConstants;
import javax.swing.SwingUtilities;
import javax.swing.WindowConstants;

import org.apache.commons.io.IOUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import com.jgoodies.forms.layout.FormLayout;
import com.jgoodies.forms.util.DefaultUnitConverter;

import eu.lp0.cursus.app.Main;
import eu.lp0.cursus.i18n.Messages;
import eu.lp0.cursus.ui.actions.CloseDialogAction;
import eu.lp0.cursus.ui.component.Displayable;
import eu.lp0.cursus.ui.component.LinkJButton;
import eu.lp0.cursus.ui.preferences.WindowAutoPrefs;

public class AboutDialog extends JDialog implements Displayable {
    private static final String TEXT_SPLIT = "\n------------------------------------------------------------------------\n\n"; //$NON-NLS-1$

    private final Logger log = LoggerFactory.getLogger(getClass());
    private WindowAutoPrefs prefs = new WindowAutoPrefs(this);

    public AboutDialog(Frame owner) {
        super(owner, true);

        initialise();
    }

    public void display() {
        assert (SwingUtilities.isEventDispatchThread());

        prefs.display(getOwner());
    }

    private void initialise() {
        setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);
        setTitle(Messages.getString("about.title", Constants.APP_DESC)); //$NON-NLS-1$
        DefaultUnitConverter duc = DefaultUnitConverter.getInstance();

        FormLayout layout = new FormLayout("2dlu, pref, fill:pref:grow, max(30dlu;pref), 2dlu", //$NON-NLS-1$
                "2dlu, max(15dlu;pref), 2dlu, max(15dlu;pref), 2dlu, fill:max(100dlu;pref):grow, 2dlu, max(16dlu;pref), 2dlu"); //$NON-NLS-1$
        getContentPane().setLayout(layout);

        JLabel lblName = new JLabel(Constants.APP_NAME + ": " + Messages.getString("about.description")); //$NON-NLS-1$ //$NON-NLS-2$
        getContentPane().add(lblName, "2, 2, 3, 1"); //$NON-NLS-1$

        getContentPane().add(new LinkJButton(Constants.APP_URL), "2, 4"); //$NON-NLS-1$

        JScrollPane scrCopying = new JScrollPane(ScrollPaneConstants.VERTICAL_SCROLLBAR_ALWAYS,
                ScrollPaneConstants.HORIZONTAL_SCROLLBAR_AS_NEEDED);
        getContentPane().add(scrCopying, "2, 6, 3, 1"); //$NON-NLS-1$

        JTextArea txtCopying = new JTextArea(loadResources("COPYRIGHT", "LICENCE")); //$NON-NLS-1$ //$NON-NLS-2$
        txtCopying.setFont(Font.decode(Font.MONOSPACED));
        txtCopying.setEditable(false);
        scrCopying.setViewportView(txtCopying);
        scrCopying.setPreferredSize(
                new Dimension(scrCopying.getPreferredSize().width, duc.dialogUnitYAsPixel(100, scrCopying)));

        Action actClose = new CloseDialogAction(this);
        JButton btnClose = new JButton(actClose);
        getContentPane().add(btnClose, "4, 8"); //$NON-NLS-1$

        getRootPane().setDefaultButton(btnClose);
        getRootPane().getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW)
                .put(KeyStroke.getKeyStroke(KeyEvent.VK_ESCAPE, 0), CloseDialogAction.class.getName());
        getRootPane().getActionMap().put(CloseDialogAction.class.getName(), actClose);

        pack();
        setMinimumSize(getSize());
        setSize(getSize().width, getSize().height * 3 / 2);
        btnClose.requestFocusInWindow();
    }

    private String loadResources(String... names) {
        StringBuilder sb = new StringBuilder();
        Iterator<String> it = Arrays.asList(names).iterator();
        while (it.hasNext()) {
            String name = it.next();

            String content;
            try {
                URL resource = Main.class.getResource(name);
                if (resource == null) {
                    throw new IOException("Not found"); //$NON-NLS-1$
                }
                content = IOUtils.toString(resource, "UTF-8"); //$NON-NLS-1$
            } catch (IOException e) {
                log.error("Unable to load " + name + " resource", e); //$NON-NLS-1$ //$NON-NLS-2$
                content = "Error loading " + name + " resource: " + e.getLocalizedMessage() + "\n"; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
            }
            sb.append(content);

            if (it.hasNext()) {
                sb.append(TEXT_SPLIT);
            }
        }
        return sb.toString();
    }
}