AboutPanel.java

/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package com.wcs.netbeans.liquiface.ui.about;

/*
 * #%L
 * Liquiface - GUI for Liquibase
 * %%
 * Copyright (C) 2013 Webstar Csoport Kft.
 * %%
 * This program 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.
 * 
 * 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 General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public 
 * License along with this program.  If not, see
 * <http://www.gnu.org/licenses/gpl-3.0.html>.
 * #L%
 */

import java.awt.Cursor;
import java.awt.Desktop;
import java.io.IOException;
import java.io.InputStream;
import java.net.URI;
import java.net.URISyntaxException;
import java.util.Properties;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.openide.util.Exceptions;

/**
 *
 * @author botond
 */
public class AboutPanel extends javax.swing.JPanel {

    private static final String LIQUIFACE_HOME_URL = "http://liquiface.org";
    private String version;

    /**
     * Creates new form AboutPanel
     */
    public AboutPanel() {
        initComponents();
        homepageLink.setCursor(Cursor.getPredefinedCursor(Cursor.HAND_CURSOR));
    }

    private String getVersion() {
        if (version == null) {
            version = loadVersionAndHandleException();
        }
        return version;
    }

    private String loadVersionAndHandleException() {
        try {
            return loadVersion();
        } catch (IOException ex) {
            //this should never happen
            Logger.getLogger(AboutPanel.class.getName()).log(Level.WARNING, "Version could not be loaded", ex);
            return "";
        }
    }

    private String loadVersion() throws IOException {
        Properties versionProp = new Properties();
        InputStream in = getClass().getResourceAsStream("/version.properties");
        versionProp.load(in);
        in.close();
        return versionProp.getProperty("version");
    }

    /**
     * This method is called from within the constructor to initialize the form. WARNING: Do NOT modify this code. The
     * content of this method is always regenerated by the Form Editor.
     */
    @SuppressWarnings("unchecked")
    // <editor-fold defaultstate="collapsed" desc="Generated Code">//GEN-BEGIN:initComponents
    private void initComponents() {

        jLabel1 = new javax.swing.JLabel();
        jLabel2 = new javax.swing.JLabel();
        jLabel3 = new javax.swing.JLabel();
        jLabel5 = new javax.swing.JLabel();
        homepageLink = new javax.swing.JLabel();
        jLabel7 = new javax.swing.JLabel();
        versionNumber = new javax.swing.JLabel();

        jLabel1.setFont(new java.awt.Font("Tahoma", 1, 24)); // NOI18N
        jLabel1.setIcon(new javax.swing.ImageIcon(getClass().getResource("/icons/liquiface_logo.png"))); // NOI18N
        org.openide.awt.Mnemonics.setLocalizedText(jLabel1, org.openide.util.NbBundle.getMessage(AboutPanel.class, "AboutPanel.jLabel1.text")); // NOI18N

        org.openide.awt.Mnemonics.setLocalizedText(jLabel2, org.openide.util.NbBundle.getMessage(AboutPanel.class, "AboutPanel.jLabel2.text")); // NOI18N

        org.openide.awt.Mnemonics.setLocalizedText(jLabel3, org.openide.util.NbBundle.getMessage(AboutPanel.class, "AboutPanel.jLabel3.text")); // NOI18N

        org.openide.awt.Mnemonics.setLocalizedText(jLabel5, org.openide.util.NbBundle.getMessage(AboutPanel.class, "AboutPanel.jLabel5.text")); // NOI18N

        homepageLink.setForeground(new java.awt.Color(0, 102, 255));
        org.openide.awt.Mnemonics.setLocalizedText(homepageLink, LIQUIFACE_HOME_URL);
        homepageLink.addMouseListener(new java.awt.event.MouseAdapter() {
            public void mouseClicked(java.awt.event.MouseEvent evt) {
                homepageLinkMouseClicked(evt);
            }
        });

        org.openide.awt.Mnemonics.setLocalizedText(jLabel7, org.openide.util.NbBundle.getMessage(AboutPanel.class, "AboutPanel.jLabel7.text")); // NOI18N

        org.openide.awt.Mnemonics.setLocalizedText(versionNumber, getVersion());

        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(this);
        this.setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addContainerGap()
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addGroup(layout.createSequentialGroup()
                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                            .addComponent(jLabel2)
                            .addComponent(jLabel3))
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                            .addComponent(jLabel7)
                            .addComponent(versionNumber)))
                    .addComponent(jLabel1)
                    .addGroup(layout.createSequentialGroup()
                        .addComponent(jLabel5)
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                        .addComponent(homepageLink)))
                .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addGap(18, 18, 18)
                .addComponent(jLabel1)
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(jLabel2)
                    .addComponent(versionNumber))
                .addGap(18, 18, 18)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(jLabel7)
                    .addComponent(jLabel3))
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(jLabel5)
                    .addComponent(homepageLink))
                .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
        );
    }// </editor-fold>//GEN-END:initComponents

    private void homepageLinkMouseClicked(java.awt.event.MouseEvent evt) {//GEN-FIRST:event_homepageLinkMouseClicked
        if (Desktop.isDesktopSupported()) {
            try {
                URI uri = new URI(LIQUIFACE_HOME_URL);
                Desktop.getDesktop().browse(uri);
            } catch (URISyntaxException ex) {
                Exceptions.printStackTrace(ex);
            } catch (IOException ex) {
                Exceptions.printStackTrace(ex);
            }
        }
    }//GEN-LAST:event_homepageLinkMouseClicked

    // Variables declaration - do not modify//GEN-BEGIN:variables
    private javax.swing.JLabel homepageLink;
    private javax.swing.JLabel jLabel1;
    private javax.swing.JLabel jLabel2;
    private javax.swing.JLabel jLabel3;
    private javax.swing.JLabel jLabel5;
    private javax.swing.JLabel jLabel7;
    private javax.swing.JLabel versionNumber;
    // End of variables declaration//GEN-END:variables
}