86 lines
2.5 KiB
Java
86 lines
2.5 KiB
Java
|
|
import javafx.application.Application;
|
|
import javafx.collections.ObservableList;
|
|
import javafx.event.ActionEvent;
|
|
import javafx.event.EventHandler;
|
|
import javafx.geometry.Insets;
|
|
import javafx.geometry.Pos;
|
|
import javafx.scene.Node;
|
|
import javafx.scene.Scene;
|
|
import javafx.scene.control.Button;
|
|
import javafx.scene.control.CheckBox;
|
|
import javafx.scene.control.Label;
|
|
import javafx.scene.layout.StackPane;
|
|
import javafx.scene.layout.VBox;
|
|
import javafx.stage.Stage;
|
|
|
|
public class StackPaneDemo extends Application {
|
|
|
|
private StackPane stackPane;
|
|
|
|
@Override
|
|
public void start(Stage primaryStage) throws Exception {
|
|
|
|
VBox root = new VBox();
|
|
|
|
// StackPane
|
|
stackPane = new StackPane();
|
|
|
|
// add label to StackPane
|
|
Label label = new Label("I'm a Label");
|
|
label.setStyle("-fx-background-color:yellow");
|
|
label.setPadding(new Insets(5,5,5,5));
|
|
stackPane.getChildren().add(label);
|
|
|
|
// add Button to StackPane
|
|
Button button = new Button("I'm a Button");
|
|
button.setStyle("-fx-background-color: cyan");
|
|
button.setPadding(new Insets(5,5,5,5));
|
|
stackPane.getChildren().add(button);
|
|
|
|
// add CheckBox to StackPane
|
|
CheckBox checkBox = new CheckBox("I'm a CheckBox");
|
|
checkBox.setOpacity(1);
|
|
checkBox.setStyle("-fx-background-color:olive");
|
|
checkBox.setPadding(new Insets(5,5,5,5));
|
|
stackPane.getChildren().add(checkBox);
|
|
|
|
stackPane.setPrefSize(300, 150);
|
|
root.getChildren().add(stackPane);
|
|
|
|
Button controlButton = new Button("Change Top");
|
|
|
|
root.getChildren().add(controlButton);
|
|
root.setAlignment(Pos.CENTER);
|
|
VBox.setMargin(stackPane, new Insets(10, 10, 10, 10));
|
|
VBox.setMargin(controlButton, new Insets(10, 10, 10, 10));
|
|
|
|
Scene scene = new Scene(root, 550, 250);
|
|
primaryStage.setTitle("StackPane Layout Demo");
|
|
primaryStage.setScene(scene);
|
|
|
|
controlButton.setOnAction(new EventHandler<ActionEvent>() {
|
|
@Override
|
|
public void handle(ActionEvent event) {
|
|
changeTop();
|
|
}
|
|
});
|
|
|
|
primaryStage.show();
|
|
}
|
|
|
|
private void changeTop() {
|
|
ObservableList children = this.stackPane.getChildren();
|
|
|
|
if (children.size() > 1) {
|
|
//
|
|
Node topNode = (Node) (children.get(children.size()-1));
|
|
topNode.toBack();
|
|
}
|
|
}
|
|
|
|
public static void main(String[] args) {
|
|
launch(args);
|
|
}
|
|
|
|
} |