/**
* Creates the node visual. The given {@link ImageView}, {@link Text}, and {@link StackPane} are
* inserted into that node visual to display the node's icon, label and nested children,
* respectively. The node visual needs to be inserted into the given {@link Group}.
*
* @param group This node's visual.
* @param rect The {@link Rectangle} displaying border and background.
* @param iconImageView The {@link ImageView} displaying the node's icon.
* @param labelText The {@link Text} displaying the node's label.
* @param nestedContentStackPane The {@link StackPane} displaying the node's nested content.
*/
protected void createNodeVisual(
final Group group,
final Rectangle rect,
final ImageView iconImageView,
final Text labelText,
final StackPane nestedContentStackPane) {
// put image and text next to each other at the top of the node
hbox = new HBox();
hbox.setMaxSize(Double.MAX_VALUE, Double.MAX_VALUE);
hbox.getChildren().addAll(iconImageView, labelText);
// put nested content stack pane below image and text
vbox = new VBox();
vbox.setMouseTransparent(true);
vbox.getChildren().addAll(hbox, nestedContentStackPane);
VBox.setVgrow(nestedContentStackPane, Priority.ALWAYS);
// expand box depending on content size
vbox.layoutBoundsProperty()
.addListener(
new ChangeListener<Bounds>() {
@Override
public void changed(
ObservableValue<? extends Bounds> observable, Bounds oldValue, Bounds newValue) {
vbox.setTranslateX(getPadding());
vbox.setTranslateY(getPadding());
rect.setWidth(vbox.getWidth() + 2 * getPadding());
rect.setHeight(vbox.getHeight() + 2 * getPadding());
}
});
// place the box below the other visuals
group.getChildren().addAll(rect, vbox);
}
