import javafx.application.Application;
import javafx.scene.Scene;
import javafx.scene.control.*;
import javafx.scene.layout.*;
import javafx.stage.Stage;
import javafx.scene.text.TextAlignment;
import javafx.scene.text.Font;
import javafx.geometry.Pos;
import javafx.geometry.Insets;
import javafx.scene.layout.Border;
import javafx.scene.layout.BorderStroke;
import javafx.scene.layout.BorderStrokeStyle;
import javafx.scene.layout.BorderWidths;
import javafx.scene.paint.Color;


import javafx.application.Platform;

import javafx.event.ActionEvent;
import javafx.event.EventHandler;
import javafx.event.Event;

import javafx.collections.*;



public class UIBspSpinner03 extends Application  {


   private RadioButton rbARROWS_ON_RIGHT_VERTICAL = new RadioButton("ARROWS_ON_RIGHT_VERTICAL");

   private RadioButton rbARROWS_ON_RIGHT_HORIZONTAL= new RadioButton("ARROWS_ON_RIGHT_HORIZONTAL");
   private RadioButton rbARROWS_ON_LEFT_VERTICAL= new RadioButton("ARROWS_ON_LEFT_VERTICAL");
   private RadioButton rbARROWS_ON_LEFT_HORIZONTAL= new RadioButton("ARROWS_ON_LEFT_HORIZONTAL");
   private RadioButton rbSPLIT_ARROWS_VERTICAL= new RadioButton("SPLIT_ARROWS_VERTICAL");
   private RadioButton rbSPLIT_ARROWS_HORIZONTAL= new RadioButton("SPLIT_ARROWS_HORIZONTAL");

    private Spinner spinner = null ;
    private boolean spinnerChangedStyle=false;

    private TextField tErg = new TextField("") ;


    private  Button bnOk = new Button("Ok") ;
    private  Button bnEsc = new Button("Esc") ;

    
     @Override 
     public void start(Stage stage) {
            VBox root = new VBox(22);       
            root.setAlignment(Pos.CENTER);
            root.setFillWidth(true);


        ToggleGroup group1 = new ToggleGroup();  // javafx.scene.control.ToggleButton
        VBox vbox1 = new VBox(22);    
        vbox1.setBorder(new Border(
                 new BorderStroke(Color.GREEN, BorderStrokeStyle.SOLID, new CornerRadii(10), new BorderWidths(2)))
            );

        vbox1.setFillWidth(true);

          setRadioButton(vbox1, group1, rbARROWS_ON_RIGHT_VERTICAL);
          setRadioButton(vbox1, group1, rbARROWS_ON_RIGHT_HORIZONTAL);
          setRadioButton(vbox1, group1, rbARROWS_ON_LEFT_VERTICAL);
          setRadioButton(vbox1, group1, rbARROWS_ON_LEFT_HORIZONTAL);
          setRadioButton(vbox1, group1, rbSPLIT_ARROWS_VERTICAL);
          setRadioButton(vbox1, group1, rbSPLIT_ARROWS_HORIZONTAL);

          rbARROWS_ON_RIGHT_VERTICAL.setSelected(true);
      
            root.getChildren().add(vbox1);
            root.setMargin(vbox1, new Insets(30) );  // TRBL


            spinner = new Spinner(5.0, 30.0, 15.0, 0.5);
      //     spinner.getStyleClass().add(Spinner.ARROWS_ON_RIGHT_VERTICAL);

            spinner.setStyle("-fx-font: 22px \"Serif\";");
            HBox hbox =  createChoiceBoxComboBoxSpinner(spinner, "Spinner");
            root.getChildren().add(hbox);

            hbox = createTextInputControl(tErg, "Ergebnis");
            root.getChildren().add(hbox);

            FlowPane boxpane = new FlowPane(20,20);    
            boxpane.setAlignment(Pos.CENTER);
            boxpane.setMaxWidth(Double.POSITIVE_INFINITY);
            root.getChildren().add(boxpane);

            bnOk.setFont(new Font("Courier New",22));            
            bnOk.setMaxWidth(Double.POSITIVE_INFINITY);
            bnOk.setOnAction(e->calc());
            boxpane.getChildren().add(bnOk);
            boxpane.setMargin(bnOk, new Insets(0, 10, 0, 10) );  // TRBL

            bnEsc.setFont(new Font("Courier New",22));            
            bnEsc.setMaxWidth(Double.POSITIVE_INFINITY);
            bnEsc.setOnAction(e->Platform.exit());
            boxpane.getChildren().add(bnEsc);
            boxpane.setMargin(bnEsc, new Insets(0, 10, 0, 10) );  // TRBL

            Scene scene= new Scene(root, 660, 640);
            stage.setTitle("UIBspSpinner03");        
            stage.setScene(scene);        
            stage.show();  
    }

    private  void setRadioButton(VBox vbox, ToggleGroup group, RadioButton rb) {
           rb.setToggleGroup(group);
           rb.setFont(new Font("Courier New",22));
           rb.setMaxWidth(Double.POSITIVE_INFINITY); 
           vbox.getChildren().add(rb);
           vbox.setVgrow(rb, Priority.ALWAYS);
           vbox.setMargin(rb, new Insets(5) );  // TRBL
             // javafx.beans.property.DoubleProperty

           rb.setOnAction(new EventHandler<ActionEvent>() {
             @Override
               public void handle(ActionEvent e) {
                    setStyle();
              }       
           });
      }

     private void setStyle() {
          // import javafx.collections.*;
        if (spinnerChangedStyle) {
          ObservableList<String> liste = spinner.getStyleClass();
          int n = liste.size();
          liste.remove(n-1);
       }

       if (rbARROWS_ON_RIGHT_VERTICAL.isSelected()) {
           // keine Aktion
       }

       if (rbARROWS_ON_RIGHT_HORIZONTAL.isSelected()) {
          spinner.getStyleClass().add(Spinner.STYLE_CLASS_ARROWS_ON_RIGHT_HORIZONTAL);
       }
       if (rbARROWS_ON_LEFT_VERTICAL.isSelected()) {
          spinner.getStyleClass().add(Spinner.STYLE_CLASS_ARROWS_ON_LEFT_VERTICAL);
       }
       if (rbARROWS_ON_LEFT_HORIZONTAL.isSelected()) {
          spinner.getStyleClass().add(Spinner.STYLE_CLASS_ARROWS_ON_LEFT_HORIZONTAL);
       }
       if (rbSPLIT_ARROWS_VERTICAL.isSelected()) {
          spinner.getStyleClass().add(Spinner.STYLE_CLASS_SPLIT_ARROWS_VERTICAL);
       }
       if (rbSPLIT_ARROWS_HORIZONTAL.isSelected()) {
          spinner.getStyleClass().add(Spinner.STYLE_CLASS_SPLIT_ARROWS_HORIZONTAL);
       }
        System.out.println("Style");
        spinnerChangedStyle=true;
     }

     private HBox createTextInputControl(TextInputControl control, String caption) {
            HBox hbox = new HBox(22);    
            hbox.setFillHeight(true);
            hbox.setMaxWidth(Double.POSITIVE_INFINITY);

            Label label = new Label(caption) ;
            label.setFont(new Font("Courier New",22));
            hbox.getChildren().add(label);
            hbox.setMargin(label, new Insets(5, 0, 0, 10) );  // TRBL


            control.setFont(new Font("Courier New",22));
            control.setMaxWidth(Double.POSITIVE_INFINITY);
            hbox.getChildren().add(control);
            hbox.setHgrow(control, Priority.ALWAYS);
            hbox.setMargin(control, new Insets(0, 10, 0, 10) );  // TRBL
            return hbox;
     }
     
     private HBox createChoiceBoxComboBoxSpinner(Control control, String caption) {
            HBox hbox = new HBox(22);    
            hbox.setFillHeight(true);
            hbox.setMaxWidth(Double.POSITIVE_INFINITY);

            Label label = new Label(caption) ;
            label.setFont(new Font("Courier New",22));
            hbox.getChildren().add(label);
            hbox.setMargin(label, new Insets(5, 0, 0, 10) );  // TRBL


            // control.setFont(new Font("Courier New",22));  // gibt es nicht ??
            control.setMaxWidth(Double.POSITIVE_INFINITY);
            hbox.getChildren().add(control);
            hbox.setHgrow(control, Priority.ALWAYS);
            hbox.setMargin(control, new Insets(0, 10, 0, 10) );  // TRBL
            return hbox;
     }

     private HBox createButtonBase(ButtonBase control) {
            HBox hbox = new HBox(22);    
            hbox.setFillHeight(true);
            hbox.setMaxWidth(Double.POSITIVE_INFINITY);

            control.setFont(new Font("Courier New",22));
            control.setMaxWidth(Double.POSITIVE_INFINITY);
            hbox.getChildren().add(control);
            hbox.setHgrow(control, Priority.ALWAYS);
            hbox.setMargin(control, new Insets(0, 10, 0, 10) );  // TRBL
            return hbox;
     }
     


      private void calc() {
       StringBuilder sb = new StringBuilder(100);
       Double groesse = (Double)spinner.getValue();
       if (groesse==null) {
           errorBox("Bitte waehlen Sie eine Groesse aus", "Hinweis");
           return;
       }
       sb.append(groesse.toString());
       sb.append(":  ");

      tErg.setText(sb.toString());
        
      }


 public void errorBox( String message, String title) {
         Dialog alert = new Alert(Alert.AlertType.ERROR,message);
         alert.setTitle(title);
         alert.setHeaderText(title);
         alert.setResizable(true);
         alert.show();
//        a.setContentText(content);
      } // ErrorBox

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