package test;

import javafx.application.Application;
import javafx.beans.value.ChangeListener;
import javafx.beans.value.ObservableValue;
import javafx.geometry.Pos;
import javafx.scene.Scene;
import javafx.scene.control.Label;
import javafx.scene.control.ToggleButton;
import javafx.scene.layout.HBox;
import javafx.stage.Stage;

public class StyleToggle extends Application {

	@Override
	public void start(Stage stage) throws Exception { 
		HBox root = new HBox(); 
		root.setSpacing(10);
		root.setAlignment(Pos.BASELINE_LEFT);
		String css = StyleToggle.class.getResource("styles.css").toExternalForm();
		root.getStylesheets().add(css);
		
		final Label styledLabel = new Label("Initial text"); 

		ToggleButton button = new ToggleButton("Add Highlight"); 
		button.selectedProperty().addListener(new ChangeListener<Boolean>() { 
			@Override
			public void changed(ObservableValue<? extends Boolean> source, Boolean wasSelected, Boolean isSelected) { 
				addOrRemoveStyle(styledLabel, isSelected);
			}
		}); 
		
		addOrRemoveStyle(styledLabel, false);
		root.getChildren().addAll(styledLabel, button); 

		Scene scene = new Scene(root, 300, 100); 
		stage.setScene(scene); 
		stage.show(); 
	}

	void addOrRemoveStyle(Label label, boolean add) {
		if (add)
			label.getStyleClass().add("highlighted");
		else 
			label.getStyleClass().remove("highlighted");
		label.setText("Style: " + label.getStyleClass().toString());
	} 

	public static void main(String[] args) {
		launch(args);
	}
}