public void actionPerformed(ActionEvent ae) {
String cname = nameF.getText().trim();
int state = conditions[stateC.getSelectedIndex()];
try {
if (isSpecialCase(cname)) {
handleSpecialCase(cname, state);
} else {
JComponent comp = (JComponent) Class.forName(cname).newInstance();
ComponentUI cui = UIManager.getUI(comp);
cui.installUI(comp);
results.setText("Map entries for " + cname + ":\n\n");
if (inputB.isSelected()) {
loadInputMap(comp.getInputMap(state), "");
results.append("\n");
}
if (actionB.isSelected()) {
loadActionMap(comp.getActionMap(), "");
results.append("\n");
}
if (bindingB.isSelected()) {
loadBindingMap(comp, state);
}
}
} catch (ClassCastException cce) {
results.setText(cname + " is not a subclass of JComponent.");
} catch (ClassNotFoundException cnfe) {
results.setText(cname + " was not found.");
} catch (InstantiationException ie) {
results.setText(cname + " could not be instantiated.");
} catch (Exception e) {
results.setText("Exception found:\n" + e);
e.printStackTrace();
}
}
private void handleSpecialCase(String cname, int condition) {
Component comp = null;
JComponent mapComp = null;
try {
if (cname.equals("javax.swing.JApplet")
|| cname.equals("javax.swing.JDialog")
|| cname.equals("javax.swing.JFrame")
|| cname.equals("javax.swing.JWindow")) {
comp = (Component) Class.forName(cname).newInstance();
mapComp = (JComponent) ((JApplet) comp).getLayeredPane();
results.setText("Map entries for " + cname + " (delegated to JRootPane):\n\n");
} else if (cname.equals("javax.swing.JInternalFrame")) {
JDesktopPane jdp = new JDesktopPane();
JInternalFrame jif = new JInternalFrame("Demo");
jif.setVisible(true);
jdp.add(jif);
mapComp = jif;
}
if (inputB.isSelected()) {
loadInputMap(mapComp.getInputMap(condition), "");
results.append("\n");
}
if (actionB.isSelected()) {
loadActionMap(mapComp.getActionMap(), "");
results.append("\n");
}
if (bindingB.isSelected()) {
loadBindingMap(mapComp, condition);
}
} catch (ClassCastException cce) {
results.setText(cname + " is not a subclass of JComponent.");
} catch (ClassNotFoundException cnfe) {
results.setText(cname + " was not found.");
} catch (InstantiationException ie) {
results.setText(cname + " could not be instantiated.");
} catch (Exception e) {
results.setText("Exception found:\n" + e);
e.printStackTrace();
}
}