ensemble.samples.controls.button.pillbutton.PillButtonApp Maven / Gradle / Ivy
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package ensemble.samples.controls.button.pillbutton;
import javafx.application.Application;
import javafx.beans.value.ChangeListener;
import javafx.beans.value.ObservableValue;
import javafx.geometry.Pos;
import javafx.scene.Parent;
import javafx.scene.Scene;
import javafx.scene.control.Toggle;
import javafx.scene.control.ToggleButton;
import javafx.scene.control.ToggleGroup;
import javafx.scene.layout.HBox;
import javafx.stage.Stage;
/**
* This sample demonstrates styling toggle buttons with CSS.
*
* @sampleName Pill Button
* @preview preview.png
*
* @see javafx.scene.control.ToggleButton
* @related /Controls/Button/Toggle Button
*/
public class PillButtonApp extends Application {
public Parent createContent() {
String pillButtonCss = PillButtonApp.class.getResource("PillButton.css").toExternalForm();
// create 3 toggle buttons and a toogle group for them
ToggleButton tb1 = new ToggleButton("Left");
tb1.setPrefSize(76, 45);
tb1.getStyleClass().add("left-pill");
ToggleButton tb2 = new ToggleButton("Center");
tb2.setPrefSize(76, 45);
tb2.getStyleClass().add("center-pill");
ToggleButton tb3 = new ToggleButton("Right");
tb3.setPrefSize(76, 45);
tb3.getStyleClass().add("right-pill");
final ToggleGroup group = new ToggleGroup();
tb1.setToggleGroup(group);
tb2.setToggleGroup(group);
tb3.setToggleGroup(group);
// select the first button to start with
group.selectToggle(tb1);
// enforce rule that one of the ToggleButtons must be selected at any
// time (that is, it is not valid to have zero ToggleButtons selected).
// (Fix for RT-34920 that considered this to be a bug)
group.selectedToggleProperty().addListener((ObservableValue observable, Toggle oldValue, Toggle newValue) -> {
if (newValue == null) {
group.selectToggle(oldValue);
}
});
HBox hBox = new HBox();
hBox.setAlignment(Pos.CENTER);
hBox.getChildren().addAll(tb1, tb2, tb3);
hBox.getStylesheets().add(pillButtonCss);
return hBox;
}
@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);
}
}