gistfile1.txt

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package javafxapplication7;

import javafx.application.Application;
import javafx.beans.binding.Bindings;
import javafx.beans.binding.NumberBinding;
import javafx.geometry.HPos;
import javafx.scene.Scene;
import javafx.scene.layout.GridPane;
import javafx.scene.paint.Color;
import javafx.scene.shape.Rectangle;
import javafx.stage.Stage;

/**
 *
 * @author Gabriele
 */
public class JavaFXApplication7 extends Application {

    @Override
    public void start(Stage stage) {
        int w = 600;
        int h = 600;
        int size = 8;
        GridPane board = new GridPane();
        Scene scene = new Scene(board, w, h);
        NumberBinding rectsAreaSize = Bindings.min(board.heightProperty(), board.widthProperty());
        for (int i = 0; i < size; ++i) {
            for (int j = 0; j < size; ++j) {
                Rectangle rect;
                if ((i + j) % 2 == 1) {
                    rect = new Rectangle(15.0, 15.0, Color.WHITE);
                } else {
                    rect = new Rectangle(15.0, 15.0, Color.BLACK);
                }
                rect.widthProperty().bind(rectsAreaSize.divide(size));
                rect.heightProperty().bind(rectsAreaSize.divide(size));
                board.add(rect, i, j);
                GridPane.setHalignment(rect, HPos.CENTER);
            }
        }
        stage.setScene(scene);
        stage.show();
    }

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {
        launch(args);
    }

}