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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