import com.sun.syndication.feed.synd.SyndEntry;
import com.sun.syndication.feed.synd.SyndFeed;
import java.awt.Cursor;
import java.awt.Graphics;
import java.util.List;
import javax.swing.AbstractListModel;
import javax.swing.JOptionPane;
import javax.swing.text.BadLocationException;
import javax.swing.text.JTextComponent;
import org.jdesktop.swingx.decorator.AlternateRowHighlighter;
import org.jdesktop.swingx.decorator.Highlighter;
import org.jdesktop.swingx.decorator.HighlighterPipeline;
/*
 * BeanTester.java
 *
 * Created on June 30, 2006, 1:49 PM
 */

/**
 *
 * @author  richardallenbair
 */
public class YahooNewsDemo extends javax.swing.JFrame {
    /** Creates new form BeanTester */
    public YahooNewsDemo() {
        initComponents();
        results.setHighlighters(new HighlighterPipeline(new Highlighter[] {AlternateRowHighlighter.beige}));
    }
    
    /** 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() {
        javax.swing.JLabel jLabel1;
        javax.swing.JScrollPane jScrollPane1;

        yahooNews = new org.jdesktop.swingx.ws.yahoo.rss.YahooNews();
        worker = new org.jdesktop.swingx.BackgroundWorker();
        executeButton = new javax.swing.JButton();
        jLabel1 = new javax.swing.JLabel();
        feedNameBox = new javax.swing.JComboBox();
        jScrollPane1 = new javax.swing.JScrollPane();
        results = new org.jdesktop.swingx.JXList();

        worker.addBackgroundListener(new org.jdesktop.swingx.event.BackgroundListener() {
            public void process(org.jdesktop.swingx.event.BackgroundEvent evt) {
                workerProcess(evt);
            }
            public void started(org.jdesktop.swingx.event.BackgroundEvent evt) {
                workerStarted(evt);
            }
            public void done(org.jdesktop.swingx.event.BackgroundEvent evt) {
                workerDone(evt);
            }
            public void doInBackground(org.jdesktop.swingx.event.BackgroundEvent evt) {
                workerDoInBackground(evt);
            }
        });

        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
        executeButton.setText("Refresh");
        executeButton.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                executeButtonActionPerformed(evt);
            }
        });

        jLabel1.setText("Search");

        feedNameBox.setEditable(true);
        feedNameBox.setModel(new javax.swing.DefaultComboBoxModel(new String[] { "movies", "music", "topstories", "us", "world" }));

        jScrollPane1.setViewportView(results);

        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
        getContentPane().setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addContainerGap()
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addComponent(jScrollPane1, javax.swing.GroupLayout.DEFAULT_SIZE, 620, Short.MAX_VALUE)
                    .addGroup(layout.createSequentialGroup()
                        .addComponent(jLabel1)
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                        .addComponent(feedNameBox, 0, 492, Short.MAX_VALUE)
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                        .addComponent(executeButton)))
                .addContainerGap())
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addContainerGap()
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(jLabel1)
                    .addComponent(executeButton)
                    .addComponent(feedNameBox, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addComponent(jScrollPane1, javax.swing.GroupLayout.DEFAULT_SIZE, 378, Short.MAX_VALUE)
                .addContainerGap())
        );
        pack();
    }// </editor-fold>//GEN-END:initComponents

    private void workerStarted(org.jdesktop.swingx.event.BackgroundEvent evt) {//GEN-FIRST:event_workerStarted
        executeButton.setEnabled(false);
        setCursor(Cursor.getPredefinedCursor(Cursor.WAIT_CURSOR));
    }//GEN-LAST:event_workerStarted

    private void workerProcess(org.jdesktop.swingx.event.BackgroundEvent evt) {//GEN-FIRST:event_workerProcess
        results.setModel(new RssListModel((SyndFeed)evt.getData()[0]));
    }//GEN-LAST:event_workerProcess

    private void workerDone(org.jdesktop.swingx.event.BackgroundEvent evt) {//GEN-FIRST:event_workerDone
        executeButton.setEnabled(true);
        setCursor(Cursor.getPredefinedCursor(Cursor.DEFAULT_CURSOR));
    }//GEN-LAST:event_workerDone

    private void workerDoInBackground(org.jdesktop.swingx.event.BackgroundEvent evt) {//GEN-FIRST:event_workerDoInBackground
        try {
            evt.getWorker().publish(yahooNews.readFeed());
        } catch (Exception e) {
            JOptionPane.showInternalMessageDialog(this, e, "Failed to show feed", JOptionPane.ERROR_MESSAGE);
        }
    }//GEN-LAST:event_workerDoInBackground

    private void executeButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_executeButtonActionPerformed
        yahooNews.setFeedName("" + feedNameBox.getSelectedItem());
        worker.execute();
    }//GEN-LAST:event_executeButtonActionPerformed
    
    /**
     * @param args the command line arguments
     */
    public static void main(String args[]) {
        java.awt.EventQueue.invokeLater(new Runnable() {
            public void run() {
                new YahooNewsDemo().setVisible(true);
            }
        });
    }
    
    // Variables declaration - do not modify//GEN-BEGIN:variables
    private javax.swing.JButton executeButton;
    private javax.swing.JComboBox feedNameBox;
    private org.jdesktop.swingx.JXList results;
    private org.jdesktop.swingx.BackgroundWorker worker;
    private org.jdesktop.swingx.ws.yahoo.rss.YahooNews yahooNews;
    // End of variables declaration//GEN-END:variables

    private static final class RssListModel extends AbstractListModel {
        private SyndFeed feed;
        private List entries;
        
        public RssListModel(SyndFeed feed) {
            this.feed = feed;
            entries = feed.getEntries();
        }

        public int getSize() {
            return entries.size();
        }

        public Object getElementAt(int i) {
            SyndEntry entry = (SyndEntry)entries.get(i);
            return entry.getTitle() + " (" + entry.getPublishedDate() + ")";
        }
    }
}