WebPageFileChooserDialog.java

/*
 * WebPageFileChooserDialog.java
 *
 * Created on 22 September 2006, 16:14
 */
package uk.co.bytemark.vm.enigma.inquisition.gui.screens;

import java.io.IOException;
import javax.swing.JFrame;
import javax.swing.event.HyperlinkEvent;
import javax.swing.event.HyperlinkListener;

/**
 *
 * @author  Matt
 */
public class WebPageFileChooserDialog extends javax.swing.JDialog {

    /** A return status code - returned if Cancel button has been pressed */
    public static final int RET_CANCEL = 0;
    /** A return status code - returned if OK button has been pressed */
    public static final int RET_OK = 1;
    private UrlChosenListener urlChosenListener;

    public WebPageFileChooserDialog(JFrame parent, final String initialUrl, UrlChosenListener urlChosenListener) {
        super(parent, true);
        this.urlChosenListener = urlChosenListener;

        initComponents();

        new Thread() {

            @Override
            public void run() {
                try {
                    editorPane.setPage(initialUrl);
                } catch (IOException ex) {
                    ex.printStackTrace();
                }
            }
        }.start();

        editorPane.addHyperlinkListener(new LinkListener());

    }

    /** @return the return status of this dialog - one of RET_OK or RET_CANCEL */
    public int getReturnStatus() {
        return returnStatus;
    }

    /** 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() {
        cancelButton = new javax.swing.JButton();
        jScrollPane1 = new javax.swing.JScrollPane();
        editorPane = new javax.swing.JEditorPane();

        setTitle("Select a link");
        addWindowListener(new java.awt.event.WindowAdapter() {
            @Override
            public void windowClosing(java.awt.event.WindowEvent evt) {
                closeDialog(evt);
            }
        });

        cancelButton.setText("Cancel");
        cancelButton.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                cancelButtonActionPerformed(evt);
            }
        });

        editorPane.setEditable(false);
        jScrollPane1.setViewportView(editorPane);

        org.jdesktop.layout.GroupLayout layout = new org.jdesktop.layout.GroupLayout(getContentPane());
        getContentPane().setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
            .add(layout.createSequentialGroup()
                .addContainerGap()
                .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
                    .add(org.jdesktop.layout.GroupLayout.TRAILING, cancelButton)
                    .add(jScrollPane1, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, 549, Short.MAX_VALUE))
                .addContainerGap())
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
            .add(org.jdesktop.layout.GroupLayout.TRAILING, layout.createSequentialGroup()
                .addContainerGap()
                .add(jScrollPane1, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, 486, Short.MAX_VALUE)
                .addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED)
                .add(cancelButton)
                .addContainerGap())
        );
        pack();
    }// </editor-fold>//GEN-END:initComponents
    private void cancelButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_cancelButtonActionPerformed
        doClose(RET_CANCEL);
    }//GEN-LAST:event_cancelButtonActionPerformed

    /** Closes the dialog */
    private void closeDialog(java.awt.event.WindowEvent evt) {//GEN-FIRST:event_closeDialog
        doClose(RET_CANCEL);
    }//GEN-LAST:event_closeDialog

    private void doClose(int retStatus) {
        returnStatus = retStatus;
        setVisible(false);
        dispose();
    }
    // Variables declaration - do not modify//GEN-BEGIN:variables
    private javax.swing.JButton cancelButton;
    private javax.swing.JEditorPane editorPane;
    private javax.swing.JScrollPane jScrollPane1;
    // End of variables declaration//GEN-END:variables
    private int returnStatus = RET_CANCEL;

    private class LinkListener implements HyperlinkListener {

        public void hyperlinkUpdate(HyperlinkEvent e) {
            HyperlinkEvent.EventType eventType = e.getEventType();
            if (eventType == HyperlinkEvent.EventType.ACTIVATED) {
                WebPageFileChooserDialog.this.setVisible(false);

                //                try {
                //editorPane.setPage(e.getURL().toExternalForm());
                String url = e.getURL().toExternalForm();
                urlChosenListener.urlChosen(url);
//                WebPageFileChooserDialog.this.parent.addWebExam(examURL);
            //                } catch (IOException ex) {
            //                    ex.printStackTrace();
            //                }
            }
        }
    }

    public static interface UrlChosenListener {

        public void urlChosen(String url);
    }
}