Dynamically generated rich:TabPanel
Hello together!
first for your information: I'm using RichFaces 3.2.0 with tomcat 5.5.26 (since I'm in the middle of my project right now I can't change the RF version).
I have a question: I want to dynamically create a rich:tabPanel element and as many rich:tabs inside as needed (according to my data retrieved from the DB). I also want the tabPanels have ajax-behavior (switchType).
I got the dynamic creation working, but when clicking on a different tab I get following error:
14.07.2008 15:56:16 com.sun.faces.lifecycle.LifecycleImpl phase WARNUNG: executePhase(RENDER_RESPONSE 6,com.sun.faces.context.FacesContextImpl@1259ee0) threw exception java.lang.NullPointerException at org.ajax4jsf.context.AjaxContextImpl.convertId(AjaxContextImpl.java:592) at org.ajax4jsf.context.AjaxContextImpl.addComponentToAjaxRender(AjaxContextImpl.java:579) at org.ajax4jsf.renderkit.AjaxRendererUtils.addRegionByName(AjaxRendererUtils.java:911) at org.richfaces.component.UITab.setupReRender(UITab.java:93) at org.ajax4jsf.component.AjaxActionComponent.setupReRender(AjaxActionComponent.java:98) at org.ajax4jsf.component.AjaxActionComponent.broadcast(AjaxActionComponent.java:60) at org.ajax4jsf.component.AjaxViewRoot.processEvents(AjaxViewRoot.java:316) at org.ajax4jsf.component.AjaxViewRoot.broadcastAjaxEvents(AjaxViewRoot.java:335) at org.ajax4jsf.application.AjaxViewHandler.processAjaxEvents(AjaxViewHandler.java:206) at org.ajax4jsf.application.AjaxViewHandler.renderView(AjaxViewHandler.java:182) at com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:106) at com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:251) at com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:144) at javax.faces.webapp.FacesServlet.service(FacesServlet.java:245) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:269) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188) at org.ajax4jsf.webapp.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:147) at org.ajax4jsf.webapp.BaseFilter.handleRequest(BaseFilter.java:256) at org.ajax4jsf.webapp.BaseFilter.processUploadsAndHandleRequest(BaseFilter.java:362) at org.ajax4jsf.webapp.BaseFilter.doFilter(BaseFilter.java:488) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188) at com.as.seak.utils.HibernateSessionRequestFilter.doFilter(HibernateSessionRequestFilter.java:50) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:174) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:117) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:108) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:174) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:874) at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:665) at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:528) at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:81) at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:689) at java.lang.Thread.run(Thread.java:619) javax.servlet.ServletException at javax.faces.webapp.FacesServlet.service(FacesServlet.java:256) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:269) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188) at org.ajax4jsf.webapp.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:147) at org.ajax4jsf.webapp.BaseFilter.handleRequest(BaseFilter.java:256) at org.ajax4jsf.webapp.BaseFilter.processUploadsAndHandleRequest(BaseFilter.java:362) at org.ajax4jsf.webapp.BaseFilter.doFilter(BaseFilter.java:488) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188) at com.as.seak.utils.HibernateSessionRequestFilter.doFilter(HibernateSessionRequestFilter.java:50) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:174) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:117) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:108) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:174) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:874) at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:665) at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:528) at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:81) at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:689) at java.lang.Thread.run(Thread.java:619)
My Java-Code:
private HtmlTabPanel tabPanel;
tabPanel = new HtmlTabPanel();
Application application = FacesContext.getCurrentInstance().getApplication();
List<UIComponent> childTabs = tabPanel.getChildren();
HtmlTab tab2 = (HtmlTab) application.createComponent(HtmlTab.COMPONENT_TYPE);
childTabs.add(tab2);
tID = "0812345A-02";
tab2.setLabel(tID);
tab2.setName(tID);
tab2.setValue("this is the value object");
tab2.setActive(true);
tabPanel.setSwitchType("ajax");
And the static code:
<h:form id="transactionOverview">
<rich:tabPanel switchType="ajax" binding="#{transactionBean.tabPanel}"/>
<rich:tabPanel switchType="ajax">
<rich:tab label="First">Here is tab #1</rich:tab>
<rich:tab label="Second" disabled="true">Here is tab #2</rich:tab>
<rich:tab label="Third">Here is tab #3</rich:tab>
</rich:tabPanel>
</h:form>
The upper tabPanel is being created, that's ok so far. But when clicking into a panel I get the error.
Clicking into a panel of the lower tabPanel it works fine.
What must I specify and which attributes have to be set that I can get it working without any errors?
Who can help me getting this solved?
Another question: does anywhere a manual / developer guide exist for generating GUI elements dynamically?
Thank You in advance!
Peter
