import javafx.application.Application;
import javafx.scene.*;
import javafx.scene.control.*;
import javafx.stage.Stage;

public class TreeViewBugRT21563 extends Application {

    static double SCENE_WEIGHT = 300.0;
    static double SCENE_HEIGHT = 600.0;
    static int TABLEVIEW_SIZE = 100;

    TreeView createTreeView() {
        TreeItem<String> treeRoot = new TreeItem<String>("Root");

        TreeView treeView = new TreeView();
        treeView.setShowRoot(true);
        treeView.setRoot(treeRoot);
        treeView.setMinSize(SCENE_WEIGHT-10, SCENE_WEIGHT-10);
        treeView.setMinSize(SCENE_WEIGHT-10, SCENE_WEIGHT-10);

        treeRoot.setExpanded(true);
        for (int i=0; i<TABLEVIEW_SIZE; i++) {
            TreeItem<String> obj = new TreeItem<String>("text tree item " + i);
            treeRoot.getChildren().add(obj);
        }
        return treeView;
    }
   
    @Override public void start(Stage primaryStage) {
        Stage stage = new Stage();

        Group rootGroup = new Group();
        Scene scene = new Scene(rootGroup, SCENE_WEIGHT, SCENE_HEIGHT);

        stage.setScene(scene);
        stage.sizeToScene();
        stage.show();

        TreeView treeView = createTreeView();
        rootGroup.getChildren().add(treeView);
    }

    public static void main(String[] args) {
        Application.launch(TreeViewBugRT21563.class, args);
    }

}