estoy empezando con PrimeFaces 3.3.1 viene de RichFaces 3 y 4.PrimeFaces/JSF componente de identificación que no se encuentran dentro de p: tabla de datos
Tengo una tabla de datos con la estructura:
<f:facet name="header">
<h:outputText value="Employees" />
</f:facet>
<p:column sortBy="#{emp.lastName}">
<f:facet name="header">
<h:outputText value="Last Name" />
</f:facet>
<h:outputText value="#{emp.lastName}" />
</p:column>
<p:column>
<f:facet name="header">
<h:outputText value="First Name" />
</f:facet>
<h:outputText value="#{emp.firstName}" />
</p:column>
...
<p:column>
<p:commandButton icon="ui-icon ui-icon-trash"
value="Remove"
process="@this"
update="employee-remove-dialog"
oncomplete="employeeRemoveDialog.show();">
<f:setPropertyActionListener target="#{employeeManager.currentEmployee}" value="#{emp}" />
</p:commandButton>
</p:column>
</p:dataTable>
<p:dialog header="Remove Employee"
modal="true"
appendToBody="true"
widgetVar="employeeRemoveDialog"
id="employee-remove-dialog">
<h:outputText value="Remove employee #{employeeManager.currentEmployee.fullName}?" />
<f:facet name="footer">
<p:commandButton icon="ui-icon ui-icon-check"
value="OK"
action="#{employeeManager.deleteEmployee}"
process="@this"
update="employee-list"
oncomplete="employeeRemoveDialog.hide();" />
<p:commandButton icon="ui-icon ui-icon-close"
value="Cancel"
onclick="employeeRemoveDialog.hide();"
ajax="false"
immediate="true" />
</f:facet>
</p:dialog>
</h:form>
sin embargo PrimeFaces se emite una excepción:
09:36:08,961 SEVERE [javax.enterprise.resource.webcontainer.jsf.application] (http-localhost-127.0.0.1-8080-1) Error Rendering View[/employeeList.xhtml]: javax.faces.FacesException: Cannot find component with identifier "employee-remove-dialog" referenced from "j_idt30:employee-list:0:j_idt41".
at org.primefaces.util.ComponentUtils.findClientIds(ComponentUtils.java:251) [primefaces-3.3.1.jar:]
at org.primefaces.util.AjaxRequestBuilder.addIds(AjaxRequestBuilder.java:102) [primefaces-3.3.1.jar:]
at org.primefaces.util.AjaxRequestBuilder.update(AjaxRequestBuilder.java:90) [primefaces-3.3.1.jar:]
at org.primefaces.renderkit.CoreRenderer.buildAjaxRequest(CoreRenderer.java:195) [primefaces-3.3.1.jar:]
at org.primefaces.component.commandbutton.CommandButtonRenderer.encodeMarkup(CommandButtonRenderer.java:74) [primefaces-3.3.1.jar:]
at org.primefaces.component.commandbutton.CommandButtonRenderer.encodeEnd(CommandButtonRenderer.java:49) [primefaces-3.3.1.jar:]
at javax.faces.component.UIComponentBase.encodeEnd(UIComponentBase.java:875) [jboss-jsf-api_2.1_spec-2.0.1.Final.jar:2.0.1.Final]
at com.sun.faces.renderkit.html_basic.HtmlBasicRenderer.encodeRecursive(HtmlBasicRenderer.java:312) [jsf-impl-2.1.7-jbossorg-2.jar:]
at com.sun.faces.renderkit.html_basic.GridRenderer.renderRow(GridRenderer.java:185) [jsf-impl-2.1.7-jbossorg-2.jar:]
at com.sun.faces.renderkit.html_basic.GridRenderer.encodeChildren(GridRenderer.java:129) [jsf-impl-2.1.7-jbossorg-2.jar:]
at javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:845) [jboss-jsf-api_2.1_spec-2.0.1.Final.jar:2.0.1.Final]
at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1779) [jboss-jsf-api_2.1_spec-2.0.1.Final.jar:2.0.1.Final]
at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1782) [jboss-jsf-api_2.1_spec-2.0.1.Final.jar:2.0.1.Final]
at org.primefaces.component.datatable.DataTableRenderer.encodeRegularCell(DataTableRenderer.java:780) [primefaces-3.3.1.jar:]
at org.primefaces.component.datatable.DataTableRenderer.encodeRow(DataTableRenderer.java:741) [primefaces-3.3.1.jar:]
at org.primefaces.component.datatable.DataTableRenderer.encodeTbody(DataTableRenderer.java:645) [primefaces-3.3.1.jar:]
at org.primefaces.component.datatable.DataTableRenderer.encodeRegularTable(DataTableRenderer.java:248) [primefaces-3.3.1.jar:]
at org.primefaces.component.datatable.DataTableRenderer.encodeMarkup(DataTableRenderer.java:220) [primefaces-3.3.1.jar:]
at org.primefaces.component.datatable.DataTableRenderer.encodeEnd(DataTableRenderer.java:107) [primefaces-3.3.1.jar:]
at javax.faces.component.UIComponentBase.encodeEnd(UIComponentBase.java:875) [jboss-jsf-api_2.1_spec-2.0.1.Final.jar:2.0.1.Final]
at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1786) [jboss-jsf-api_2.1_spec-2.0.1.Final.jar:2.0.1.Final]
at javax.faces.render.Renderer.encodeChildren(Renderer.java:168) [jboss-jsf-api_2.1_spec-2.0.1.Final.jar:2.0.1.Final]
at javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:845) [jboss-jsf-api_2.1_spec-2.0.1.Final.jar:2.0.1.Final]
at org.primefaces.renderkit.CoreRenderer.renderChild(CoreRenderer.java:55) [primefaces-3.3.1.jar:]
at org.primefaces.renderkit.CoreRenderer.renderChildren(CoreRenderer.java:43) [primefaces-3.3.1.jar:]
at org.primefaces.component.layout.LayoutUnitRenderer.encodeEnd(LayoutUnitRenderer.java:51) [primefaces-3.3.1.jar:]
at javax.faces.component.UIComponentBase.encodeEnd(UIComponentBase.java:875) [jboss-jsf-api_2.1_spec-2.0.1.Final.jar:2.0.1.Final]
at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1786) [jboss-jsf-api_2.1_spec-2.0.1.Final.jar:2.0.1.Final]
at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1782) [jboss-jsf-api_2.1_spec-2.0.1.Final.jar:2.0.1.Final]
at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1782) [jboss-jsf-api_2.1_spec-2.0.1.Final.jar:2.0.1.Final]
at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1782) [jboss-jsf-api_2.1_spec-2.0.1.Final.jar:2.0.1.Final]
at com.sun.faces.application.view.FaceletViewHandlingStrategy.renderView(FaceletViewHandlingStrategy.java:402) [jsf-impl-2.1.7-jbossorg-2.jar:]
at com.sun.faces.application.view.MultiViewHandler.renderView(MultiViewHandler.java:125) [jsf-impl-2.1.7-jbossorg-2.jar:]
at javax.faces.application.ViewHandlerWrapper.renderView(ViewHandlerWrapper.java:288) [jboss-jsf-api_2.1_spec-2.0.1.Final.jar:2.0.1.Final]
at com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:121) [jsf-impl-2.1.7-jbossorg-2.jar:]
at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:101) [jsf-impl-2.1.7-jbossorg-2.jar:]
at com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:139) [jsf-impl-2.1.7-jbossorg-2.jar:]
at javax.faces.webapp.FacesServlet.service(FacesServlet.java:594) [jboss-jsf-api_2.1_spec-2.0.1.Final.jar:2.0.1.Final]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:329) [jbossweb-7.0.13.Final.jar:]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:248) [jbossweb-7.0.13.Final.jar:]
at org.jboss.weld.servlet.ConversationPropagationFilter.doFilter(ConversationPropagationFilter.java:62) [weld-core-1.1.5.AS71.Final.jar:2012-02-10 15:31]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:280) [jbossweb-7.0.13.Final.jar:]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:248) [jbossweb-7.0.13.Final.jar:]
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:275) [jbossweb-7.0.13.Final.jar:]
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:161) [jbossweb-7.0.13.Final.jar:]
at org.jboss.as.jpa.interceptor.WebNonTxEmCloserValve.invoke(WebNonTxEmCloserValve.java:50) [jboss-as-jpa-7.1.1.Final.jar:7.1.1.Final]
at org.jboss.as.web.security.SecurityContextAssociationValve.invoke(SecurityContextAssociationValve.java:153) [jboss-as-web-7.1.1.Final.jar:7.1.1.Final]
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:155) [jbossweb-7.0.13.Final.jar:]
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) [jbossweb-7.0.13.Final.jar:]
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) [jbossweb-7.0.13.Final.jar:]
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:368) [jbossweb-7.0.13.Final.jar:]
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:877) [jbossweb-7.0.13.Final.jar:]
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:671) [jbossweb-7.0.13.Final.jar:]
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:930) [jbossweb-7.0.13.Final.jar:]
at java.lang.Thread.run(Unknown Source) [rt.jar:1.7.0_04]
La identificación no puede ser encontrado. Hmm ... Básicamente copié la estructura de RichFaces. Allí, el botón de la fila para eliminar o editar la fila no necesita el: employee-form: ... prefixing. Me pregunto por qué.
Al dar forma un ID y prefijar las referencias de componentes PF con el ':' la sintaxis del código se ejecuta como se esperaba:
<h:form id="employee-form">
<p:dataTable ...>
...
<p:column>
<h:panelGrid ...>
<p:commandButton ...
update=":employee-form:employee-remove-dialog"
...>
...
</p:commandButton>
</h:panelGrid>
</p:column>
</p:dataTable>
<p:dialog ...
id="employee-remove-dialog">
</p:dialog>
</h:form>
Q:
¿Por qué AP: tabla de datos necesidad para prefijar los ID raíz JSF? Tal vez es mi código, pero el ejemplo publicado parece mínimo para mí. En cualquier caso, usar esto dará como resultado identificaciones posiblemente largas en toda la aplicación.
¿Qué estoy haciendo mal?
PS: Estoy en JBoss AS 7.1.1.Final, Mojarra 2.1.7, 3.3.1 PF
(+1) Gracias por publicar el algoritmo: eso es mucho más útil que un hormigón para una caja de hormigón. – Ralph