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/* This example shows how a Java app can allow a script to customize
a UI */
import java.awt.*;
import java.awt.event.*;
import java.io.*;
import org.apache.bsf.*;
import org.apache.bsf.util.*;
public class ScriptedUI {
BSFManager mgr = new BSFManager ();
public ScriptedUI (String fileName) {
Frame f = new Frame ("Application's Main Frame");
f.addWindowListener (new WindowAdapter () {
public void windowClosing (WindowEvent e) {
System.exit (0);
}
});
Panel p = new Panel ();
f.add ("Center", p);
f.add ("North", new Button ("North Button"));
f.add ("South", new Button ("South Button"));
mgr.registerBean ("centerPanel", p);
mgr.registerBean ("parentFrame", f); // --rgf, 2006-08-08: to allow Jacl to get to frame ...
// exec script engine code to do its thing for this
try {
String language = BSFManager.getLangFromFilename (fileName);
FileReader in = new FileReader (fileName);
String script = IOUtils.getStringFromReader (in);
mgr.exec (language, fileName, -1, -1, script);
} catch (BSFException e) {
System.err.println ("Ouch: " + e.getMessage ());
e.printStackTrace ();
} catch (IOException e) {
System.err.println ("Ouch: " + e.getMessage ());
e.printStackTrace ();
}
// now pack and show the frame
f.pack ();
// f.show(); // javac 1.5 warns to use f.show(), Apache build scripts abort as a result :(
f.setVisible(true); // available since Java 1.1
}
public static void main (String[] args) throws Exception {
if (args.length != 1) {
System.err.println ("Usage: java ScriptedUI filename");
System.err.println (" where filename is the name of the script");
System.exit (1);
}
new ScriptedUI (args[0]);
}
}
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