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copied!<p>Don't manually create components if everything can just be done in the view. This construct will fail if the bean is in a broader scope than the request scope. See also e.g. <a href="https://stackoverflow.com/questions/2101755/im-getting-duplicate-id-error-after-adding-binding-attribute/2101768#2101768">Binding attribute causes duplicate component ID found in the view</a></p> <p>Follow the showcase example "<a href="http://www.primefaces.org/showcase/ui/tabviewModel.jsf" rel="nofollow noreferrer">TabView with Model</a>" which allows you to dynamically populate tabs via a sane model and <code><p:tabView value="..." var="..."></code> like as <code><ui:repeat></code>/<code><h:dataTable></code>.</p> <p>E.g. this view</p> <pre class="lang-html prettyprint-override"><code><h:form> <p:tabView value="#{bean.tabs}" var="tab"> <p:tab title="#{tab.title}"> #{tab.content} <p:commandButton value="Close" action="#{bean.remove(tab)}" update="@form" /> </p:tab> </p:tabView> <p:commandButton value="Add Tab" action="#{bean.add}" update="@form" /> </h:form> </code></pre> <p>with this controller</p> <pre><code>@ManagedBean @ViewScoped public class Bean implements Serializable { private List<Tab> tabs; @PostConstruct public void init() { tabs = new ArrayList<>(); } public void add() { tabs.add(new Tab("tab" + tabs.size(), "some content")); } public void remove(Tab tab) { tabs.remove(tab); } public List<Tab> getTabs() { return tabs; } } </code></pre> <p>and this model</p> <pre><code>public class Tab { private String title; private String content; public Tab(String title, String content) { this.title = title; this.content = content; } public String getTitle() { return title; } public String getContent() { return content; } } </code></pre>

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