package de.fhswf.fbin.java2fx.trees; import java.io.File; import javafx.scene.control.TreeView; import de.fhswf.fbin.java2fx.entities.FXFile; public class DirectoryTreeView extends TreeView { public DirectoryTreeView() { super(new DirectoryTreeItem(new File(System.getProperty("file.separator")))); boolean isRunningOnWindows = System.getProperty("os.name") .toLowerCase().contains("windows"); if (isRunningOnWindows) { this.setShowRoot(false); this.rootProperty().getValue().setExpanded(true);; } } }