public Command myKeyEvent(KeyStroke stroke) {
myGetKeyCommands();
if (showTrailCommand != null && showTrailCommand.matches(stroke)) {
final ChangeTracker tracker = new ChangeTracker(this);
if (globallyVisible) {
globalVisibility = !globalVisibility;
} else {
localVisibility = !localVisibility;
}
redraw();
return tracker.getChangeCommand();
}
return null;
}
public KeyCommand[] myGetKeyCommands() {
if (commands == null) {
if (trailKey != null) {
showTrailCommand =
new KeyCommand(menuCommand, trailKey, Decorator.getOutermost(this), this);
}
if (showTrailCommand != null && menuCommand.length() > 0) {
commands = new KeyCommand[] {showTrailCommand};
} else {
commands = new KeyCommand[0];
}
}
if (showTrailCommand != null) {
showTrailCommand.setEnabled(getMap() != null);
}
return commands;
}