package felipe;

import javafx.application.Application;
import javafx.event.EventHandler;
import javafx.geometry.NodeOrientation;
import javafx.geometry.VPos;
import javafx.scene.Group;
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.scene.input.KeyCode;
import javafx.scene.input.KeyEvent;
import javafx.scene.layout.Background;
import javafx.scene.layout.BackgroundFill;
import javafx.scene.layout.Pane;
import javafx.scene.paint.Color;
import javafx.scene.shape.Circle;
import javafx.scene.shape.Line;
import javafx.scene.shape.Rectangle;
import javafx.scene.text.Text;
import javafx.scene.text.TextAlignment;
import javafx.stage.Stage;


public class MirrorTest extends Application {
    
    static final boolean MIRROR_SCENE = true;
    
    public void start(Stage stage) {
        Pane group = new Pane();
        Button button = new Button("Hello.");
        button.setLayoutX(5);
        button.setLayoutY(45);
        Line line = new Line(10, 48, 300, 30);
        Text text = new Text("Hello.");
        double x = 7, y = 100;
        text.setLayoutX(x);
        text.setLayoutY(y);
        text.setTextOrigin(VPos.TOP);
        double textWidth = text.getLayoutBounds().getWidth();
        double textHeight = text.getLayoutBounds().getHeight();
        Rectangle box = new Rectangle(textWidth, textHeight);
        box.setStroke(Color.BLACK);
        box.setStrokeWidth(1);
        box.setFill(Color.TRANSPARENT);
        box.setLayoutX(x);
        box.setLayoutY(y);
        
        Pane subPanel = new Pane();
        subPanel.setBackground(new Background(new BackgroundFill(Color.AQUAMARINE, null, null)));
        subPanel.prefWidthProperty().bind(group.widthProperty());
        subPanel.setPrefHeight(40);
        Circle c = new Circle(20, 20, 10);
        c.setFill(Color.BISQUE);
        subPanel.getChildren().add(c);
        Text subText = new Text(40, 20, "\u05d1\u05d2\u05d3\u05d4 ABC.");
        subText.setTextOrigin(VPos.CENTER);
        subPanel.getChildren().add(subText);
        
        Text t1 = new Text("\u05d1\u05d2\u05d3\u05d4 ABC.");
        t1.setLayoutX(7);
        t1.setLayoutY(150);

        Text t2 = new Text("He said \u05e9\u05dc\u05dd (shalom) to me.");
        t2.setLayoutX(7);
        t2.setLayoutY(180);
        
        Text t3 = new Text("text is left aligned\nshort\nline.");
        t3.setLayoutX(7);
        t3.setLayoutY(210);
        Text t4 = new Text("text is right aligned\nshort\nline.");
        t4.setTextAlignment(TextAlignment.RIGHT);
        t4.setLayoutX(7);
        t4.setLayoutY(300);
        
        
        group.getChildren().addAll(subPanel, button, line, text, box, t1, t2, t3, t4);
        final Scene scene = new Scene(group, 200, 400);

        scene.addEventFilter(KeyEvent.KEY_PRESSED, new EventHandler<KeyEvent> () {
            @Override public void handle(KeyEvent event) {
                if (event.getCode() == KeyCode.LEFT) {
//                    scene.setNodeOrientation(NodeOrientation.LEFT_TO_RIGHT);
                    scene.getRoot().setNodeOrientation(NodeOrientation.LEFT_TO_RIGHT);
                }
                if (event.getCode() == KeyCode.RIGHT) {
//                    scene.setNodeOrientation(NodeOrientation.RIGHT_TO_LEFT);
                    scene.getRoot().setNodeOrientation(NodeOrientation.RIGHT_TO_LEFT);
                }
                System.err.println("orientation " + scene.getNodeOrientation());
            }
        });
        
        stage.setScene(scene);
        stage.show();
//        if (MIRROR_SCENE) {
//            /* Mirror the scene (flip and translate all except the text node)*/
//            double sceneWidth = scene.getWidth();
//            Scale mirrorScale = new Scale(-1, 1, sceneWidth, 0);
//            Translate mirrorTranslate = new Translate(sceneWidth, 0);
//            group.getTransforms().addAll(mirrorScale, mirrorTranslate);
//            double textWidth2 = text.getLayoutBounds().getWidth();
//            Translate textTranslate = new Translate(sceneWidth - textWidth2, 0);
//            text.getTransforms().addAll(mirrorScale, mirrorTranslate, textTranslate);
//            
//            /* Un-mirror button text (bad, reach inside the implementation)*/
//            LabeledText buttonText = (LabeledText) ((ButtonSkin)button.getSkin()).getChildren().get(0);
//            double buttonTextWidth = buttonText.getLayoutBounds().getWidth();
//            Scale buttonScale = new Scale(-1, 1, buttonTextWidth, 0);
//            Translate buttonTranslate = new Translate(buttonTextWidth, 0);
//            buttonText.getTransforms().addAll(buttonScale, buttonTranslate);
//        }
    }
    

    public static void main(String[] args) {
        launch(MirrorTest.class, args);
    }
}