/**
* Creates a new tracer for popup panels to be dismissed with ESC key.
*/
public PopupPanelEscapeDismisser() {
PopupPanelManager popupPanelManager = PopupPanelManager
.defaultManager();
this.lastPathSelected = popupPanelManager.getShownPath();
if (this.lastPathSelected.size() != 0) {
traceRootPane(this.lastPathSelected);
}
}