Java Code Examples for elemental.dom.Element#appendChild()

public Client() {
	Element body = document.getBody();

	button = document.createElement("button");
	button.setAttribute("id", "hello-button");
	button.setTextContent("Click me");
	button.setOnclick(this::clicked);
	body.appendChild(button);

	response = document.createElement("div");
	body.appendChild(response);

	thinking = document.createElement("div");
	thinking.setTextContent("The server waits as demonstration");
	thinking.getStyle().setProperty("display", "none");
	body.appendChild(thinking);
}
 

/**
 * Closes the current container element.
 *
 * @throws IllegalStateException if there's no current element or if the closing element is no container.
 */
public Builder end() {
    assertCurrent();
    if (level == 0) {
        throw new IllegalStateException("Unbalanced element hierarchy. Elements stack: " + dumpElements());
    }

    List<ElementInfo> children = new ArrayList<>();
    while (elements.peek().level == level) {
        children.add(elements.pop());
    }
    Collections.reverse(children);

    if (!elements.peek().container) {
        throw new IllegalStateException("Closing element " + elements.peek().element + " is no container");
    }
    Element closingElement = elements.peek().element;
    for (ElementInfo child : children) {
        closingElement.appendChild(child.element);
    }

    level--;
    return this;
}
 

private void responsed(String text) {
	console.log("received: " + text);
	button.removeAttribute("disabled");

	Element responseElem = document.createElement("div");
	responseElem.appendChild(document.createTextNode(text));
	response.appendChild(responseElem);

	thinking.getStyle().setProperty("display", "none");
}
 

private Element createAndAppendElementToShadowRoot(Element shadowRoot,
        String id, String tagName) {
    Element childShadowRootElement = Browser.getDocument()
            .createElement(tagName);
    childShadowRootElement.setId(id);
    shadowRoot.appendChild(childShadowRootElement);

    if (id != null) {
        JsonObject obj = Json.createObject();
        WidgetUtil.setJsProperty(obj, id.toString(),
                childShadowRootElement);
        WidgetUtil.setJsProperty(element, "$", obj);
    }
    return childShadowRootElement;
}
 

public HomepageModule(final String token, final String image, final String header,
        final String subHeader, final HomepageSection... sections) {
    // @formatter:off
    Elements.Builder builder = new Elements.Builder()
        .div().css("eap-home-col")
            .div().css("eap-home-module")
                .div().css("eap-home-module-icon")
                    .add("img").attr("src", image)
                .end()
                .div().css("eap-home-module-container").rememberAs("container")
                    .div().css("eap-home-module-header")
                        .h(2).a().attr("href", "#" + token).textContent(header).end().end()
                        .p().textContent(subHeader).end()
                    .end()
                .end()
            .end()
        .end();
    // @formatter:on

    if (sections != null) {
        Element container = builder.referenceFor("container");
        for (HomepageSection section : sections) {
            container.appendChild(section.asElement());
        }
    }
    this.root = builder.build();
}
 

private Element handleError(String caption, String message, String details,
        String querySelector) {
    Document document = Browser.getDocument();
    Element systemErrorContainer = document.createDivElement();
    systemErrorContainer.setClassName("v-system-error");

    if (caption != null) {
        Element captionDiv = document.createDivElement();
        captionDiv.setClassName("caption");
        captionDiv.setInnerHTML(caption);
        systemErrorContainer.appendChild(captionDiv);
        Console.error(caption);
    }
    if (message != null) {
        Element messageDiv = document.createDivElement();
        messageDiv.setClassName("message");
        messageDiv.setInnerHTML(message);
        systemErrorContainer.appendChild(messageDiv);
        Console.error(message);
    }
    if (details != null) {
        Element detailsDiv = document.createDivElement();
        detailsDiv.setClassName("details");
        detailsDiv.setInnerHTML(details);
        systemErrorContainer.appendChild(detailsDiv);
        Console.error(details);
    }
    if (querySelector != null) {
        Element baseElement = document.querySelector(querySelector);
        // if querySelector does not match an element on the page, the
        // error will not be displayed
        if (baseElement != null) {
            // if the baseElement has a shadow root, add the warning to
            // the shadow - otherwise add it to the baseElement
            findShadowRoot(baseElement).orElse(baseElement)
                    .appendChild(systemErrorContainer);
        }
    } else {
        document.getBody().appendChild(systemErrorContainer);
    }

    return systemErrorContainer;
}