Locale

	Language
	English
	English
	English
	French
	German
	German
	Italian
	Korean
	Spanish
	Catalan
	Dutch
	Portuguese
	Portuguese
	Arabic
	Arabic
	Bulgarian
	Czech
	Greek
	Persian
	Finnish
	Danish
	Hindi
	Indonesian
	Croatian
	Japanese
	Hungarian
	Hebrew
	Georgian
	Central Kurdish
	Khmer
	Kyrgyz
	Kazakh
	Lithuanian
	Latvian
	Malay
	Norwegian
	Polish
	Romanian
	Russian
	Slovak
	Slovenian
	Serbian
	Swedish
	Thai
	Turkish
	Ukrainian
	Vietnamese
	Chinese
	Chinese

Input Style

Outlined

Filled

Free Themes

Built-in component themes created by the PrimeFaces Theme Designer.

Saga

Vela

Arya

Legacy Free Themes

Luna Amber

Luna Blue

Luna Green

Luna Pink

Nova

Nova Alt

Nova Accent

OutputPanel

Output panel is a container element with several use cases such as autoUpdate and deferred loading. This example demonstrates the deferred loading feature with two modes where the content of the panel is loaded after the page itself is loaded to speed up initial page load time. There are two deferred modes, "load" (after page load) and "visible" (after page load and visible after page scroll). A progress indicator is also provided while loading the content.

SERVER API CLIENT API TAG VDL

outputPanel.xhtml
OutputPanelView.java


<h:form>
    <div class="card" style="min-height: 175px">
        <p:outputPanel deferred="true">
            <h5>Loaded after page load</h5>
            <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.
                Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat.
                Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur.
                Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.</p>
        </p:outputPanel>
    </div>

    <div class="card" style="min-height: 230px">
        <p:tabView dynamic="true">
            <p:tab title="Skeletons">
                <p:outputPanel deferred="true" class="mt-2">
                    <p:ajax event="load" listener="#{outputPanelView.loadData}"/>
                    <f:facet name="loading">
                        <p:skeleton width="200px" height="21px" class="mb-4"/>
                        <p:skeleton width="100%" height="42px"/>
                    </f:facet>
                    <h5>#{outputPanelView.data.title}</h5>
                    <p>#{outputPanelView.data.body}</p>
                </p:outputPanel>
            </p:tab>
            <p:tab title="Ajax / Loaded">
                <p:outputPanel deferred="true" loaded="#{not empty outputPanelView.data2}" class="mt-2">
                    <p:ajax event="load" listener="#{outputPanelView.loadData2}"/>
                    <f:facet name="loading">
                        <p:skeleton width="200px" height="21px" class="mb-4"/>
                        <p:skeleton width="100%" height="42px"/>
                    </f:facet>
                    <h5>#{outputPanelView.data2.title}</h5>
                    <p>#{outputPanelView.data2.body}</p>
                </p:outputPanel>
            </p:tab>
        </p:tabView>
    </div>

    <div style="height:1000px"></div>

    <div class="card">
        <p:outputPanel deferred="true" deferredMode="visible">
            <h5>Loaded after the panel becomes visible on page scroll</h5>
            <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.
                Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat.
                Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur.
                Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.</p>
        </p:outputPanel>
    </div>
</h:form>


package org.primefaces.showcase.view.panel;

import jakarta.faces.view.ViewScoped;
import jakarta.inject.Named;
import java.io.Serializable;
import java.util.HashMap;
import java.util.Map;

import io.quarkus.runtime.annotations.RegisterForReflection;

@Named
@ViewScoped
@RegisterForReflection(serialization = true)
public class OutputPanelView implements Serializable {

    private final Map<String, String> data = new HashMap<>();
    private final Map<String, String> data2 = new HashMap<>();

    public void loadData() throws InterruptedException {
        Thread.sleep(1000); // Sleep a bit to show the skeletons
        data.put("title", "OutputPanel loading facet");
        data.put("body", """
                Deferred loading can be used with the "loading" facet to show UI while the data is being \
                loaded. This is normally combined with the load ajax event with a listener which loads the data you \
                want to show in your panel. See xhtml and OutputPanelView.java\
                """);
    }

    public void loadData2() throws InterruptedException {
        Thread.sleep(1000); // Sleep a bit to show the skeletons
        data2.put("title", "Deferred loading in Ajax requests");
        data2.put("body", """
                By default deferred loading does not work with Ajax requests. As a solution you can use the \
                "loaded" boolean attribute to enforce loading (even in Ajax requests). Normally you would use \
                an expression here checking if your data is empty. See xhtml and OutputPanelView.java\
                """);
    }

    public Map<String, String> getData() {
        return data;
    }

    public Map<String, String> getData2() {
        return data2;
    }

}