Example usage for javafx.scene.control TreeView setRoot

Introduction

In this page you can find the example usage for javafx.scene.control TreeView setRoot.

Prototype

public final void setRoot(TreeItem<T> value) 

Source Link

Document

Sets the root node in this TreeView.

Usage

From source file:acmi.l2.clientmod.xdat.Controller.java

private static void buildTree(IOEntity entity, Field listField, TreeView<Object> elements, String nameFilter) {
    elements.setRoot(null);

    if (entity == null)
        return;//from  w  ww .  j  a  v  a  2  s  .  c  om

    try {
        List<IOEntity> list = (List<IOEntity>) listField.get(entity);
        if (!listField.isAnnotationPresent(Type.class)) {
            log.log(Level.WARNING, String.format("XDAT.%s: @Type not defined", listField.getName()));
            Dialogs.show(Alert.AlertType.ERROR, "ReflectiveOperationException", null,
                    String.format("XDAT.%s: @Type not defined", listField.getName()));
        } else {
            Class<? extends IOEntity> type = listField.getAnnotation(Type.class).value()
                    .asSubclass(IOEntity.class);
            TreeItem<Object> rootItem = new TreeItem<>(new ListHolder(entity, list, listField.getName(), type));

            elements.setRoot(rootItem);

            rootItem.getChildren().addAll(list.stream().map(Controller::createTreeItem)
                    .filter(treeItem -> checkTreeNode(treeItem, nameFilter)).collect(Collectors.toList()));
        }
    } catch (IllegalAccessException e) {
        log.log(Level.WARNING, String.format("%s.%s is not accessible",
                listField.getDeclaringClass().getSimpleName(), listField.getName()), e);
        Dialogs.show(Alert.AlertType.ERROR, "ReflectiveOperationException", null,
                listField.getDeclaringClass().getSimpleName() + "." + listField.getName()
                        + " is not accessible");
    }
}

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From source file:Main.java

@Override
public void start(Stage primaryStage) {
    CheckBoxTreeItem<String> rootItem = new CheckBoxTreeItem<>("A");
    rootItem.setExpanded(true);/*  w w  w.  j a  va2  s . com*/

    TreeView tree = new TreeView(rootItem);
    tree.setEditable(true);

    tree.setCellFactory(CheckBoxTreeCell.forTreeView());

    CheckBoxTreeItem<String> checkBoxTreeItem = new CheckBoxTreeItem<>("a");
    rootItem.getChildren().add(checkBoxTreeItem);

    checkBoxTreeItem = new CheckBoxTreeItem<>("b");
    rootItem.getChildren().add(checkBoxTreeItem);

    tree.setRoot(rootItem);

    StackPane root = new StackPane();
    root.getChildren().add(tree);
    primaryStage.setScene(new Scene(root, 300, 250));
    primaryStage.show();
}

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From source file:utilitybasedfx.MainGUIController.java

private CheckBoxTreeItem<String> preSetupOpsTree(TreeView tree) {
    CheckBoxTreeItem<String> root = new CheckBoxTreeItem("root");

    root.setExpanded(true);//  ww  w  .  j av a2 s. com

    tree.setStyle("-fx-font-size: 11; ");

    //tree.getStylesheets().add("/css/treeViewColouredSelection.css"); // [FIXME] make the color change! WHY IT NO WORK

    tree.setRoot(root);
    tree.setShowRoot(false);
    tree.setCellFactory(CheckBoxTreeCell.<String>forTreeView());

    return root;
}

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