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/*
* Copyright (c) 2008, 2014, Oracle and/or its affiliates.
* All rights reserved. Use is subject to license terms.
*
* This file is available and licensed under the following license:
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*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the distribution.
* - Neither the name of Oracle Corporation nor the names of its
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*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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package ensemble.samples.controls.togglebutton;
import javafx.application.Application;
import javafx.beans.value.ChangeListener;
import javafx.beans.value.ObservableValue;
import javafx.geometry.HPos;
import javafx.geometry.Pos;
import javafx.geometry.VPos;
import javafx.scene.Parent;
import javafx.scene.Scene;
import javafx.scene.control.Label;
import javafx.scene.control.Toggle;
import javafx.scene.control.ToggleButton;
import javafx.scene.control.ToggleGroup;
import javafx.scene.layout.GridPane;
import javafx.stage.Stage;
/**
* Toggle buttons in a toggle group.
*
* @sampleName Toggle Button
* @preview preview.png
* @see javafx.scene.control.ToggleButton
* @related /Controls/ChoiceBox
* @related /Controls/Accordion
* @related /Controls/Toolbar/Tool Bar
* @embedded
*/
public class ToggleButtonApp extends Application {
private final static double TOGGLEBUTTON_WIDTH = 72;
private final static double TOGGLEBUTTON_HEIGHT = 40;
public Parent createContent() {
// create label to show result of selected toggle button
final Label label = new Label();
label.setStyle("-fx-font-size: 2em;");
label.setAlignment(Pos.CENTER);
// create 3 toggle buttons and a toogle group for them
final ToggleButton tb1 = new ToggleButton("Cat");
tb1.setMinSize(TOGGLEBUTTON_WIDTH, TOGGLEBUTTON_HEIGHT);
final ToggleButton tb2 = new ToggleButton("Dog");
tb2.setMinSize(TOGGLEBUTTON_WIDTH, TOGGLEBUTTON_HEIGHT);
final ToggleButton tb3 = new ToggleButton("Horse");
tb3.setMinSize(TOGGLEBUTTON_WIDTH, TOGGLEBUTTON_HEIGHT);
ToggleGroup group = new ToggleGroup();
tb1.setToggleGroup(group);
tb2.setToggleGroup(group);
tb3.setToggleGroup(group);
group.selectedToggleProperty().addListener((ObservableValue observable, Toggle oldValue, Toggle selectedToggle) -> {
if (selectedToggle != null) {
label.setText(((ToggleButton) selectedToggle).getText());
} else {
label.setText("...");
}
});
// select the first button to start with
group.selectToggle(tb1);
// add buttons and label to grid and set their positions
GridPane.setConstraints(tb1, 0, 0);
GridPane.setConstraints(tb2, 1, 0);
GridPane.setConstraints(tb3, 2, 0);
GridPane.setConstraints(label, 0, 1, 3, 1, HPos.CENTER, VPos.BASELINE);
GridPane grid = new GridPane();
grid.setVgap(20);
grid.setHgap(12);
grid.getChildren().addAll(tb1, tb2, tb3, label);
grid.setAlignment(Pos.CENTER);
return grid;
}
@Override
public void start(Stage primaryStage) throws Exception {
primaryStage.setScene(new Scene(createContent()));
primaryStage.show();
}
/**
* Java main for when running without JavaFX launcher
* @param args command line arguments
*/
public static void main(String[] args) {
launch(args);
}
}
