[jboss-user] [JBoss Seam] - Seam and Richfaces : Drag and Drop Problem

davidetaibi do-not-reply at jboss.com
Thu Mar 29 12:15:08 EDT 2007


I use sem-gem to generate a new eclipse project (seam setup, seam new-project), then I added a new action testdnd to perform drag and drop operation.
This is the code

import java.util.ArrayList;
  | import java.util.List;
  | 
  | import javax.ejb.Stateless;
  | import org.jboss.seam.annotations.Name;
  | import org.jboss.seam.annotations.In;
  | import org.jboss.seam.annotations.Logger;
  | import org.jboss.seam.log.Log;
  | import org.jboss.seam.core.FacesMessages;
  | import org.ajax4jsf.dnd.event.DropEvent;
  | 
  | @Stateless
  | @Name("testdnd")
  | public class TestdndBean implements Testdnd {
  | 	
  |     @Logger private Log log;
  | 	
  |     @In FacesMessages facesMessages;
  |     
  |     public void testdnd()
  |     {
  |         //implement your business logic here
  |         log.info("testdnd.testdnd() action called");
  |         facesMessages.add("testdnd");
  |     }
  |     
  |     public void processDrop(DropEvent dropEvent) {
  | 		System.out.println("PROCESSDROP CALLED");
  | 	}
  |     
  |     public List getValori(){
  |     	ArrayList al=new ArrayList();
  |     	al.add("a");
  |     	al.add("b");
  |     	al.add("c");
  |     	return al;
  |     }
  |     //add additional action methods
  |     
  | }

here the local interface


  | import java.util.List;
  | import org.ajax4jsf.dnd.event.DropEvent;
  | import javax.ejb.Local;
  | 
  | @Local
  | public interface Testdnd {  
  |     
  | 	//seam-gen method
  | 	public void testdnd();  
  | 	
  | 	public void processDrop(DropEvent dropEvent);
  |    
  | 	public List getValori();
  | }

and here the page that use the bean

<!DOCTYPE composition PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" 
  |                              "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
  | <ui:composition xmlns="http://www.w3.org/1999/xhtml"
  |                 xmlns:s="http://jboss.com/products/seam/taglib"
  |                 xmlns:ui="http://java.sun.com/jsf/facelets"
  |                 xmlns:f="http://java.sun.com/jsf/core"
  |                 xmlns:h="http://java.sun.com/jsf/html"
  |                 xmlns:rich="http://richfaces.ajax4jsf.org/rich"
  |                 xmlns:a="https://ajax4jsf.dev.java.net/ajax"
  |                 template="layout/template.xhtml">
  |                        
  | <ui:define name="body">
  | 
  |     <h:messages globalOnly="true" styleClass="message"/>
  | 
  | 	<rich:dragIndicator id="indicator" />
  | 		<h:form id="mapping">
  | 			<div style="float: left; width: 60%;">
  | 				<rich:panel id="feedColumns">
  | 					<f:facet name="header">Your Columns</f:facet>
  | 					<rich:dataTable value="#{testdnd.valori}" var="fm" 
  | 						styleClass="datatable" rowClasses="rowOdd,rowEven" style="width: 100%;">
  | 							<h:column>
  | 								<f:facet name="header">Your Column</f:facet>
  | 							</h:column>
  | 							<h:column>
  | 								<f:facet name="header">Example Data(Drag me!)</f:facet>
  | 								<a:outputPanel style="border:1px solid grey;padding:2px;"
  | 									layout="block">
  | 									<rich:dragSupport dragIndicator=":indicator" dragType="column"
  | 										dragValue="#{fm}">
  | 										<rich:dndParam name="label" value="#{fm}" />
  | 									</rich:dragSupport>
  | 									<span style="float: right"><strong>#{fm}</strong></span> <em>#{fm}</em>
  | 								</a:outputPanel>
  | 							</h:column>
  | 					</rich:dataTable>
  | 				</rich:panel>
  | 			</div>
  | 			<div>
  | 				<rich:panel id="cdmFields">
  | 					<f:facet name="header">
  | 						<h:outputText value="CDM Fields" />
  | 					</f:facet>
  | 
  | 					<rich:dataGrid value="#{testdnd.valori}"
  | 						var="fm" columns="2">
  | 						<h:column>
  | 							<a:outputPanel style="border:1px solid red;padding:2px;" layout="block">
  | 								<rich:dropSupport acceptedTypes="column" dropValue="#{fm}"
  | 									dropListener="#{testdnd.processDrop}" reRender="cdmFields,messages,mappedColumns,feedColumns">
  | 								</rich:dropSupport>
  | 								#{fm}
  | 							</a:outputPanel>
  | 						</h:column>
  | 					</rich:dataGrid>
  | 				</rich:panel>
  | 			</div>
  | 	</h:form>
  | 	
  | </ui:define>
  | 
  | </ui:composition>

If I use the method processDrop without the DropEvent parameter all works well, but using the previous code I obtain this error :


  | javax.servlet.ServletException: /testdnd.xhtml @63,104 dropListener="#{testdnd.processDrop}": Method not found: TestdndBean.processDrop(org.ajax4jsf.dnd.event.DropEvent)
  |         at javax.faces.webapp.FacesServlet.service(FacesServlet.java:152)
  |         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
  |         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
  |         at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:63)
  |         at org.jboss.seam.debug.hot.HotDeployFilter.doFilter(HotDeployFilter.java:60)
  |         at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:49)
  |         at org.jboss.seam.web.RedirectFilter.doFilter(RedirectFilter.java:45)
  |         at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:49)
  |         at org.jboss.seam.web.ExceptionFilter.doFilter(ExceptionFilter.java:57)
  |         at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:49)
  |         at org.jboss.seam.web.MultipartFilter.doFilter(MultipartFilter.java:79)
  |         at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:49)
  |         at org.jboss.seam.web.SeamFilter.doFilter(SeamFilter.java:84)
  |         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
  |         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
  |         at org.ajax4jsf.framework.ajax.xmlfilter.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:96)
  |         at org.ajax4jsf.framework.ajax.xmlfilter.BaseFilter.doFilter(BaseFilter.java:220)
  |         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
  |         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
  |         at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
  |         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
  |         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
  |         at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
  |         at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
  |         at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:175)
  |         at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:432)
  |         at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:74)
  |         at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
  |         at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
  |         at org.jboss.web.tomcat.tc5.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:156)
  |         at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
  |         at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
  |         at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:869)
  |         at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:664)
  |         at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527)
  |         at org.apache.tomcat.util.net.MasterSlaveWorkerThread.run(MasterSlaveWorkerThread.java:112)
  |         at java.lang.Thread.run(Thread.java:595)
  | 17:46:50,968 ERROR [ExceptionFilter] exception root cause
  | javax.faces.el.MethodNotFoundException: /testdnd.xhtml @63,104 dropListener="#{testdnd.processDrop}": Method not found: TestdndBean.processDrop(org.ajax4jsf.dnd.event.DropEvent)
  |         at com.sun.facelets.el.LegacyMethodBinding.invoke(LegacyMethodBinding.java:71)
  |         at org.richfaces.component.UIDropSupport.broadcast(UIDropSupport.java:79)
  |         at org.ajax4jsf.ajax.repeat.UIDataAdaptor.broadcast(UIDataAdaptor.java:1056)
  |         at org.ajax4jsf.framework.ajax.AjaxViewRoot.processEvents(AjaxViewRoot.java:180)
  |         at org.ajax4jsf.framework.ajax.AjaxViewRoot.broadcastEvents(AjaxViewRoot.java:156)
  |         at org.ajax4jsf.framework.ajax.JsfOneOneInvoker.invokeOnRegionOrRoot(JsfOneOneInvoker.java:62)
  |         at org.ajax4jsf.framework.ajax.AjaxContext.invokeOnRegionOrRoot(AjaxContext.java:176)
  |         at org.ajax4jsf.framework.ajax.AjaxViewRoot.processDecodes(AjaxViewRoot.java:267)
  |         at org.apache.myfaces.lifecycle.LifecycleImpl.applyRequestValues(LifecycleImpl.java:219)
  |         at org.apache.myfaces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:71)
  |         at javax.faces.webapp.FacesServlet.service(FacesServlet.java:137)
  |         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
  |         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
  |         at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:63)
  |         at org.jboss.seam.debug.hot.HotDeployFilter.doFilter(HotDeployFilter.java:60)
  |         at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:49)
  |         at org.jboss.seam.web.RedirectFilter.doFilter(RedirectFilter.java:45)
  |         at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:49)
  |         at org.jboss.seam.web.ExceptionFilter.doFilter(ExceptionFilter.java:57)
  |         at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:49)
  |         at org.jboss.seam.web.MultipartFilter.doFilter(MultipartFilter.java:79)
  |         at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:49)
  |         at org.jboss.seam.web.SeamFilter.doFilter(SeamFilter.java:84)
  |         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
  |         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
  |         at org.ajax4jsf.framework.ajax.xmlfilter.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:96)
  |         at org.ajax4jsf.framework.ajax.xmlfilter.BaseFilter.doFilter(BaseFilter.java:220)
  |         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
  |         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
  |         at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
  |         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
  |         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
  |         at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
  |         at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
  |         at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:175)
  |         at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:432)
  |         at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:74)
  |         at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
  |         at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
  |         at org.jboss.web.tomcat.tc5.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:156)
  |         at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
  |         at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
  |         at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:869)
  |         at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:664)
  |         at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527)
  |         at org.apache.tomcat.util.net.MasterSlaveWorkerThread.run(MasterSlaveWorkerThread.java:112)
  |         at java.lang.Thread.run(Thread.java:595)
  | 17:46:51,078 ERROR [DebugPageHandler] redirecting to debug page
  | javax.faces.el.MethodNotFoundException: /testdnd.xhtml @63,104 dropListener="#{testdnd.processDrop}": Method not found: TestdndBean.processDrop(org.ajax4jsf.dnd.event.DropEvent)
  |         at com.sun.facelets.el.LegacyMethodBinding.invoke(LegacyMethodBinding.java:71)
  |         at org.richfaces.component.UIDropSupport.broadcast(UIDropSupport.java:79)
  |         at org.ajax4jsf.ajax.repeat.UIDataAdaptor.broadcast(UIDataAdaptor.java:1056)
  |         at org.ajax4jsf.framework.ajax.AjaxViewRoot.processEvents(AjaxViewRoot.java:180)
  |         at org.ajax4jsf.framework.ajax.AjaxViewRoot.broadcastEvents(AjaxViewRoot.java:156)
  |         at org.ajax4jsf.framework.ajax.JsfOneOneInvoker.invokeOnRegionOrRoot(JsfOneOneInvoker.java:62)
  |         at org.ajax4jsf.framework.ajax.AjaxContext.invokeOnRegionOrRoot(AjaxContext.java:176)
  |         at org.ajax4jsf.framework.ajax.AjaxViewRoot.processDecodes(AjaxViewRoot.java:267)
  |         at org.apache.myfaces.lifecycle.LifecycleImpl.applyRequestValues(LifecycleImpl.java:219)
  |         at org.apache.myfaces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:71)
  |         at javax.faces.webapp.FacesServlet.service(FacesServlet.java:137)
  |         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
  |         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
  |         at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:63)
  |         at org.jboss.seam.debug.hot.HotDeployFilter.doFilter(HotDeployFilter.java:60)
  |         at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:49)
  |         at org.jboss.seam.web.RedirectFilter.doFilter(RedirectFilter.java:45)
  |         at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:49)
  |         at org.jboss.seam.web.ExceptionFilter.doFilter(ExceptionFilter.java:57)
  |         at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:49)
  |         at org.jboss.seam.web.MultipartFilter.doFilter(MultipartFilter.java:79)
  |         at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:49)
  |         at org.jboss.seam.web.SeamFilter.doFilter(SeamFilter.java:84)
  |         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
  |         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
  |         at org.ajax4jsf.framework.ajax.xmlfilter.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:96)
  |         at org.ajax4jsf.framework.ajax.xmlfilter.BaseFilter.doFilter(BaseFilter.java:220)
  |         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
  |         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
  |         at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
  |         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
  |         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
  |         at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
  |         at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
  |         at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:175)
  |         at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:432)
  |         at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:74)
  |         at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
  |         at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
  |         at org.jboss.web.tomcat.tc5.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:156)
  |         at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
  |         at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
  |         at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:869)
  |         at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:664)
  |         at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527)
  |         at org.apache.tomcat.util.net.MasterSlaveWorkerThread.run(MasterSlaveWorkerThread.java:112)
  |         at java.lang.Thread.run(Thread.java:595)
  | 

Even if in this simple example the method processDrop don't use the DropEvent parameter I am interested to use it for some check operation.

I have used the latest version of seam from cvs (downloaded today).

Please help me!!


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