Monday, July 2, 2012

Simple JavaFX TreeView example

JavaFX provide TreeView control, a view on to a tree root (of type TreeItem). By using a TreeView, it is possible to drill down into the children of a TreeItem, recursively until a TreeItem has no children (that is, it is a leaf node in the tree).

Simple TreeView example

package javafxtest;

import javafx.application.Application;
import javafx.scene.Scene;
import javafx.scene.control.TreeItem;
import javafx.scene.control.TreeView;
import javafx.scene.layout.StackPane;
import javafx.stage.Stage;

 * @web
public class JavaFXtestUI extends Application {

     * @param args the command line arguments
    public static void main(String[] args) {
    public void start(Stage primaryStage) {
        TreeItem<String> treeItemRoot = new TreeItem<> ("Root");
        TreeItem<String> nodeItemA = new TreeItem<>("Item A");
        TreeItem<String> nodeItemB = new TreeItem<>("Item B");
        TreeItem<String> nodeItemC = new TreeItem<>("Item C");
        treeItemRoot.getChildren().addAll(nodeItemA, nodeItemB, nodeItemC);
        TreeItem<String> nodeItemA1 = new TreeItem<>("Item A1");
        TreeItem<String> nodeItemA2 = new TreeItem<>("Item A2");
        TreeItem<String> nodeItemA3 = new TreeItem<>("Item A3");
        nodeItemA.getChildren().addAll(nodeItemA1, nodeItemA2, nodeItemA3);
        TreeView<String> treeView = new TreeView<>(treeItemRoot);
        StackPane root = new StackPane();
        Scene scene = new Scene(root, 300, 250);

- JavaFX TreeView with icon

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