IndexedDB with Patterns - Composite UI

ProductComposite.java

package com.github.lofi.client;

import static org.jboss.elemento.Elements.br;
...
import java.util.logging.Logger;
...

@Singleton
public class ProductComposite {
	private static Logger logger = Logger.getLogger(ProductComposite.class.getName());
	private ProductService productService;
	private Element panelElement;

	@Inject
	public ProductComposite(ProductService productService) {
		this.productService = productService;
	}

	public void renderView() {
		panelElement = DomGlobal.document.getElementById("panel");
		HtmlContentBuilder<HTMLLabelElement> label = label().textContent("Try this to add data... ")
				.add(button().textContent("Click to add data!").on(click, 
				event -> onProductCreated())).add(br());
		panelElement.appendChild(label.element());
	}

	void onProductCreated() {
		Product createdProduct = productService.createProduct();
		Integer calculatedPriceWithAmount = createdProduct.getCalculatedPriceWithAmount();

		if (calculatedPriceWithAmount >= 350) {
			logger.info("getCalculatedPriceWithAmount >= 350: " + calculatedPriceWithAmount);
			InputBuilder<HTMLInputElement> input = renderInputElements();
			input.element().value = calculatedPriceWithAmount.toString();
		} else {
			logger.info("getCalculatedPriceWithAmount: " + calculatedPriceWithAmount);
		}
	}
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