Install.java 文件源码

public synchronized void propertyChange(PropertyChangeEvent evt) {
    JTextComponent jtc = EditorRegistry.focusedComponent();
    if (jtc == null) return;

    Document active = jtc.getDocument();
    Object sourceProperty = active.getProperty(Document.StreamDescriptionProperty);
    if (!(sourceProperty instanceof DataObject)) return;

    FileObject activeFile = ((DataObject)sourceProperty).getPrimaryFile();
    TimesCollectorPeer.getDefault().select(activeFile);
}