jmonkeyengine/sdk/jme3-welcome-screen/src/com/jme3/gde/welcome/WelcomeScreenTopComponent.java

/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package com.jme3.gde.welcome;

import com.jme3.gde.welcome.rss.RssFeedParser;
import java.io.IOException;
import java.net.URL;
import javax.swing.event.HyperlinkEvent;
import javax.swing.event.HyperlinkListener;
import org.netbeans.api.settings.ConvertAsProperties;
import org.openide.awt.ActionID;
import org.openide.awt.ActionReference;
import org.openide.awt.HtmlBrowser.URLDisplayer;
import org.openide.util.Exceptions;
import org.openide.windows.TopComponent;
import org.openide.util.NbBundle.Messages;
import sun.swing.SwingUtilities2;

/**
 * Top component which displays something.
 */
@ConvertAsProperties(
    dtd = "-//com.jme3.gde.welcome//WelcomeScreen//EN",
autostore = false)
@TopComponent.Description(
    preferredID = "WelcomeScreenTopComponent",
//iconBase="SET/PATH/TO/ICON/HERE", 
persistenceType = TopComponent.PERSISTENCE_ALWAYS)
@TopComponent.Registration(mode = "editor", openAtStartup = true)
@ActionID(category = "Window", id = "com.jme3.gde.welcome.WelcomeScreenTopComponent")
@ActionReference(path = "Menu/Window" /*, position = 333 */)
@TopComponent.OpenActionRegistration(
    displayName = "#CTL_WelcomeScreenAction",
preferredID = "WelcomeScreenTopComponent")
@Messages({
    "CTL_WelcomeScreenAction=Info Screen",
    "CTL_WelcomeScreenTopComponent=Info Screen",
    "HINT_WelcomeScreenTopComponent=Shows news and information about your SDK"
})
public final class WelcomeScreenTopComponent extends TopComponent implements HyperlinkListener {

    private final RssFeedParser parser = new RssFeedParser(org.openide.util.NbBundle.getMessage(WelcomeScreenTopComponent.class, "WelcomeScreenTopComponent.rss.link"));

    public WelcomeScreenTopComponent() {
        initComponents();
        setName(Bundle.CTL_WelcomeScreenTopComponent());
        setToolTipText(Bundle.HINT_WelcomeScreenTopComponent());

        jScrollPane2.setOpaque(false);
        jScrollPane2.getViewport().setOpaque(false);
        jEditorPane1.putClientProperty(SwingUtilities2.AA_TEXT_PROPERTY_KEY, null);

        jEditorPane1.addHyperlinkListener(new HyperlinkListener() {
            public void hyperlinkUpdate(HyperlinkEvent he) {
                if (he.getEventType() == HyperlinkEvent.EventType.ACTIVATED) {
                    try {
                        jEditorPane1.setPage(he.getURL());
                    } catch (IOException ex) {
                        try {
                            jEditorPane1.setPage(new URL(org.openide.util.NbBundle.getMessage(WelcomeScreenTopComponent.class, "WelcomeScreenTopComponent.local.link")));
                        } catch (IOException ex1) {
                            Exceptions.printStackTrace(ex1);
                        }
                    }
                }
            }
        });
    }

    /**
     * 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.
     */
    // <editor-fold defaultstate="collapsed" desc="Generated Code">//GEN-BEGIN:initComponents
    private void initComponents() {

        jPanel1 = new GradPanel();
        jScrollPane2 = new javax.swing.JScrollPane();
        jEditorPane1 = new javax.swing.JEditorPane();

        setBackground(java.awt.Color.white);

        jPanel1.setBackground(new java.awt.Color(255, 255, 255));

        jScrollPane2.setBorder(javax.swing.BorderFactory.createEmptyBorder(1, 1, 1, 1));
        jScrollPane2.setOpaque(false);

        jEditorPane1.setEditable(false);
        jEditorPane1.setBorder(javax.swing.BorderFactory.createEmptyBorder(1, 1, 1, 1));
        jEditorPane1.setContentType("text/html"); // NOI18N
        jEditorPane1.setCaretColor(new java.awt.Color(255, 255, 255));
        jEditorPane1.setOpaque(false);
        jScrollPane2.setViewportView(jEditorPane1);

        javax.swing.GroupLayout jPanel1Layout = new javax.swing.GroupLayout(jPanel1);
        jPanel1.setLayout(jPanel1Layout);
        jPanel1Layout.setHorizontalGroup(
            jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(jPanel1Layout.createSequentialGroup()
                .addContainerGap()
                .addComponent(jScrollPane2, javax.swing.GroupLayout.DEFAULT_SIZE, 491, Short.MAX_VALUE)
                .addContainerGap())
        );
        jPanel1Layout.setVerticalGroup(
            jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(jPanel1Layout.createSequentialGroup()
                .addContainerGap()
                .addComponent(jScrollPane2, javax.swing.GroupLayout.DEFAULT_SIZE, 432, Short.MAX_VALUE)
                .addContainerGap())
        );

        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(this);
        this.setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addComponent(jPanel1, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addComponent(jPanel1, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
        );
    }// </editor-fold>//GEN-END:initComponents
    // Variables declaration - do not modify//GEN-BEGIN:variables
    private javax.swing.JEditorPane jEditorPane1;
    private javax.swing.JPanel jPanel1;
    private javax.swing.JScrollPane jScrollPane2;
    // End of variables declaration//GEN-END:variables

    @Override
    public void componentOpened() {
        try {
            jEditorPane1.setPage(new URL(org.openide.util.NbBundle.getMessage(WelcomeScreenTopComponent.class, "WelcomeScreenTopComponent.http.link")));
        } catch (IOException ex) {
            try {
                jEditorPane1.setPage(new URL(org.openide.util.NbBundle.getMessage(WelcomeScreenTopComponent.class, "WelcomeScreenTopComponent.local.link")));
            } catch (IOException ex1) {
                Exceptions.printStackTrace(ex1);
            }
        }
        parser.updateFeed();
    }

    @Override
    public void componentClosed() {
        // TODO add custom code on component closing
    }

    void writeProperties(java.util.Properties p) {
        // better to version settings since initial version as advocated at
        // http://wiki.apidesign.org/wiki/PropertyFiles
        p.setProperty("version", "1.0");
        // TODO store your settings
    }

    void readProperties(java.util.Properties p) {
        String version = p.getProperty("version");
        // TODO read your settings according to their version
    }

    public void hyperlinkUpdate(HyperlinkEvent he) {
        if (he.getEventType() == HyperlinkEvent.EventType.ACTIVATED) {
            URLDisplayer.getDefault().showURL(he.getURL());
        }
    }
}