package versusSNP.util.swing;
import java.awt.BorderLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.File;
import javax.swing.JEditorPane;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTextField;
public class MiniBrowser extends JFrame {
private static final long serialVersionUID = -6589167981117638217L;
private JEditorPane jep;
public MiniBrowser(String startingUrl) {
// Ok, first just get a screen up and visible, with an appropriate
// handler in place for the kill window command.
super("MiniBrowser");
setSize(400, 300);
setDefaultCloseOperation(EXIT_ON_CLOSE);
// Now set up our basic screen components, the editor pane, the
// text field for URLs, and the label for status and link information.
JPanel urlPanel = new JPanel();
urlPanel.setLayout(new BorderLayout());
JTextField urlField = new JTextField(startingUrl);
urlPanel.add(new JLabel("Site: "), BorderLayout.WEST);
urlPanel.add(urlField, BorderLayout.CENTER);
final JLabel statusBar = new JLabel(" ");
// Here's the editor pane configuration. It's important to make
// the "setEditable(false)" call; otherwise, our hyperlinks won't
// work. (If the text is editable, then clicking on a hyperlink
// simply means that you want to change the text, not follow the
// link.)
jep = new JEditorPane();
jep.setEditable(false);
try {
jep.setPage(startingUrl);
} catch (Exception e) {
statusBar.setText("Could not open starting page. Using a blank.");
}
JScrollPane jsp = new JScrollPane(jep);
// Get the GUI components onto our content pane.
getContentPane().add(jsp, BorderLayout.CENTER);
getContentPane().add(urlPanel, BorderLayout.NORTH);
getContentPane().add(statusBar, BorderLayout.SOUTH);
// Last but not least, hook up our event handlers.
urlField.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent ae) {
try {
jep.setPage(ae.getActionCommand());
} catch (Exception e) {
statusBar.setText("Error: " + e.getMessage());
}
}
});
jep.addHyperlinkListener(new SimpleLinkListener(jep, urlField,
statusBar));
}
public static void main(String args[]) {
String url = "";
if (args.length == 1) {
url = args[0];
if (!(url.startsWith("http:") || url.startsWith("file:"))) {
// If it's not a fully qualified URL, assume it's a file.
if (url.startsWith("/")) {
// Absolute path, so just prepend "file:"
url = "file:" + url;
} else {
try {
// Assume it's relative to the starting point.
File f = new File(url);
url = f.toURL().toString();
} catch (Exception e) {
url = "http://www.java-tips.org/";
}
}
}
} else {
url = "file://localhost/E:/JavaTips.htm";
}
new MiniBrowser(url).setVisible(true);
}
}