Example of using GridView - Reddit https://www.reddit.com/r/javahelp/comments/1gyzk8z/dynamic_gridpane/

App.java

//SedJ601
import javafx.application.Application;
import javafx.collections.FXCollections;
import javafx.collections.ObservableList;
import javafx.geometry.Pos;
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.scene.control.Label;
import javafx.scene.image.Image;
import javafx.scene.image.ImageView;
import javafx.scene.image.PixelWriter;
import javafx.scene.image.WritableImage;
import javafx.scene.layout.*;
import javafx.scene.paint.Color;
import javafx.scene.text.Font;
import javafx.stage.Stage;
import org.controlsfx.control.GridCell;
import org.controlsfx.control.GridView;

import java.lang.reflect.Field;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.ThreadLocalRandom;

/**
 *
 * @author blj0011
 */
public class App extends Application
{

    public static final int GRID_CELL_WIDTH = 250;
    public static final int GRID_CELL_HEIGHT = 250;
    public static final int GRID_CELL_SPACING_HORIZONTAL = 5;
    public static final int GRID_CELL_SPACING_VERTICAL = 5;

    @Override
    public void start(Stage primaryStage)
    {
        ObservableList<Product> observableList = FXCollections.observableArrayList();
        for(int i = 1; i <= 100; i++) {
            observableList.add(new Product(i, "Product " + i, ThreadLocalRandom.current().nextInt(100), createFakeImage(200, 150)));
        }

        GridView<Product> gridView = new GridView(observableList);
        gridView.setCellWidth(GRID_CELL_WIDTH);
        gridView.setCellHeight(GRID_CELL_HEIGHT);
        gridView.setHorizontalCellSpacing(GRID_CELL_SPACING_HORIZONTAL);
        gridView.setVerticalCellSpacing(GRID_CELL_SPACING_VERTICAL);
        gridView.setCellFactory(gridCell -> {
            return new GridCell<Product>()
            {
                final Label lblTitle = new Label();
                final ImageView ivImage = new ImageView();
                final Button btnAdd = new Button("+");
                final Button btnRemove = new Button("-");
                final Label lblCount = new Label();

                final HBox hbButtonsRoot = new HBox(btnAdd, lblCount, btnRemove);
                final VBox vbRoot = new VBox(lblTitle, ivImage, hbButtonsRoot);

                {
                    lblTitle.setFont(new Font(20));
                    btnAdd.setPrefSize(25, 25);
                    btnRemove.setPrefSize(25, 25);
                    hbButtonsRoot.setSpacing(1);
                    hbButtonsRoot.setAlignment(Pos.CENTER);
                    VBox.setVgrow(hbButtonsRoot, Priority.ALWAYS);
                    vbRoot.setSpacing(5);
                    vbRoot.setAlignment(Pos.CENTER);
                    vbRoot.setBorder(new Border(new BorderStroke(Color.BLACK, BorderStrokeStyle.SOLID, CornerRadii.EMPTY, BorderWidths.DEFAULT)));
                }

                @Override
                public void updateItem(Product item, boolean empty)
                {
                    if (empty || item == null) {
                        setText(null);
                        setGraphic(null);
                    }
                    else {
                        lblTitle.setText(item.getName());
                        ivImage.setImage(item.getImage());
                        lblCount.setText(Integer.toString(item.getInventoryCount()));

                        setGraphic(vbRoot);
                    }

                }
            };
        });

        StackPane root = new StackPane(gridView);
        Scene scene = new Scene(root, 800, 500);

        primaryStage.setTitle("Hello World!");
        primaryStage.setScene(scene);
        primaryStage.show();
    }

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

    List<Color> defaultColors = getAllDefaultColors();

    private Image createFakeImage(int width, int height) {
        Color currentColor = defaultColors.get(ThreadLocalRandom.current().nextInt(defaultColors.size()));

        WritableImage writableImage = new WritableImage(width, height);
        PixelWriter pixelWriter = writableImage.getPixelWriter();

        for(int x = 0; x < width; x++)
        {
            for(int y = 0; y < height; y++)
            {
                pixelWriter.setColor(x, y, currentColor);
            }
        }

        return writableImage;
    }

    private List<Color> getAllDefaultColors(){
        List<Color> colors = new ArrayList<>();

        try
        {
            Class clazz = Class.forName("javafx.scene.paint.Color");
            if (clazz != null) {
                Field[] field = clazz.getFields();
                for (Field f : field) {
                    Object obj = f.get(null);
                    if(obj instanceof Color){
                        colors.add((Color) obj);
                    }
                }
            }

        } catch (ClassNotFoundException | IllegalArgumentException | IllegalAccessException ex) {
            System.out.println(ex.toString());
        }

        return colors;
    }
}

Product.java

import javafx.scene.image.Image;

import java.util.Objects;

public class Product {
    private long id;
    private String name;
    private int inventoryCount;
    private Image image;

    public Product(long id, String name, int inventoryCount, Image image) {
        this.id = id;
        this.name = name;
        this.inventoryCount = inventoryCount;
        this.image = image;
    }

    public long getId() {
        return id;
    }

    public void setId(long id) {
        this.id = id;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public int getInventoryCount() {
        return inventoryCount;
    }

    public void setInventoryCount(int inventoryCount) {
        this.inventoryCount = inventoryCount;
    }

    public Image getImage() {
        return image;
    }

    public void setImage(Image image) {
        this.image = image;
    }

    @Override
    public String toString() {
        return "Product{" +
                "id=" + id +
                ", name='" + name + '\'' +
                ", inventoryCount=" + inventoryCount +
                '}';
    }
}