[JBoss Seam] - drag and drop problems with parameters
by leeovan
hello ive been trying to get the drag and drop working for a while now and have run into a few problems.
I have created a bean based on the one i found in the rich faces source
|
| import java.util.ArrayList;
| import java.util.List;
|
| import org.jboss.seam.annotations.Name;
|
| @Name("dndBean")
| public class DragAndDropBean {
|
|
| private List<String> types = new ArrayList<String>();
|
| private Object dragValue;
|
| private Object testParam;
|
| private List<String> container = new ArrayList<String>();
|
| private List<String> sourceList = new ArrayList<String>();
|
|
|
| public DragAndDropBean() {
| super();
|
| types.add("PHP");
| types.add("JAVA");
|
|
| sourceList.add("item1");
| sourceList.add("item2");
| }
|
| public void processDrop(org.ajax4jsf.dnd.event.DropEvent event) {
| System.out.println("Bean.processDrop()");
| this.dragValue = event.getDragValue();
| }
|
| public void processDrag(org.ajax4jsf.dnd.event.DragEvent dragEvent) {
| System.out.println("Bean.processDrag()");
| }
|
| public List getTypes() {
| return types;
| }
|
| public String dragAction() {
| System.out.println("Bean.dragAction()");
| return null;
| }
|
| public String dropAction() {
| System.out.println("Bean.dropAction()");
| return null;
| }
|
| public Object getDragValue() {
| return dragValue;
| }
|
| public Object getTestParam() {
| return testParam;
| }
|
| public void setTestParam(Object testParam) {
| this.testParam = testParam;
| System.out.println("Bean.setTestParam()" + testParam);
| }
|
| public List<String> getContainer() {
| return container;
| }
|
| public void setContainer(List<String> container) {
| this.container = container;
| System.out.println("Bean.setContainer()" + container);
| }
|
| public List<String> getSourceList() {
| return sourceList;
| }
|
| public void setSourceList(List<String> sourceList) {
| this.sourceList = sourceList;
| System.out.println("Bean.setSourceList()" + sourceList);
| }
|
| public void reset(){
| System.out.println("RESET");
| }
| }
|
|
and this is the front
|
| <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:a="https://ajax4jsf.dev.java.net/ajax"
| xmlns:rich="http://richfaces.ajax4jsf.org/rich"
| id="testComponent"
| styleClass="edit">
|
| <rich:dragIndicator id="indicator"></rich:dragIndicator>
|
| <h:form id="form">
|
| <h:panelGrid columnClasses="panelc" columns="2" width="50%">
|
| <rich:panel style="width:100px">
| <f:facet name="header">
| <h:outputText value="Source List" />
| </f:facet>
|
| <h:dataTable id="src" columns="1" value="#{dndBean.sourceList}"
| var="source" >
|
| <h:column>
| <a:outputPanel style="border:1px solid gray;padding:2px;"
| layout="block">
|
|
| <rich:dragSupport dragType="employee"
| dragValue="#{source}"
|
|
| >
|
| <rich:dndParam name="label" value="#{source}" />
|
| </rich:dragSupport>
|
|
|
| <h:outputText value="#{source}"></h:outputText>
| </a:outputPanel>
| </h:column>
|
| </h:dataTable>
|
|
| </rich:panel>
|
| <rich:panel>
| <f:facet name="header">
| <h:outputText value="Destination" />
| </f:facet>
|
| <rich:dropSupport id="php"
| reRender="src, php, destinationtable"
| acceptedTypes="employee"
| dropValue="employee"
| dropListener="#{dndBean.processDrop}"
| >
| </rich:dropSupport>
| <h:dataTable id="destinationtable" columns="1" value="#{dndBean.container}" var="destination">
| <h:column>
| <h:outputText value="#{destination}"></h:outputText>
| </h:column>
| </h:dataTable>
|
|
| </rich:panel>
| </h:panelGrid>
| <a:commandButton action="#{dndBean.reset}" value="Start Over"
| reRender="src,destinationtable" />
| </h:form>
|
| </ui:composition>
|
|
|
now here comes the problem. i cant seem to find the method i call on the dropListener="#{dndBean.processDrop} section.. if i change this to dropListener="#{dndBean.dropAction} i get the correct output.. here is the actual stack trace. looks like its a problem with passing parameters..
|
| 21:36:45,421 ERROR [ExceptionFilter] uncaught exception
| javax.servlet.ServletException: /DragAndDropComponent.xhtml @62,20 dropListener="#{dndBean.processDrop}": Method not found: uk.co.anotion.entity.jobs.DragAndDropBean(a)183fc68.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$FilterChainImpl.doFilter(SeamFilter.java:63)
| at org.jboss.seam.web.ExceptionFilter.doFilter(ExceptionFilter.java:57)
| at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:49)
| 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.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(Unknown Source)
| 21:36:45,421 ERROR [ExceptionFilter] exception root cause
| javax.faces.el.MethodNotFoundException: /DragAndDropComponent.xhtml @62,20 dropListener="#{dndBean.processDrop}": Method not found: uk.co.anotion.entity.jobs.DragAndDropBean(a)183fc68.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.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$FilterChainImpl.doFilter(SeamFilter.java:63)
| at org.jboss.seam.web.ExceptionFilter.doFilter(ExceptionFilter.java:57)
| at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:49)
| at org.jboss.seam.debug.hot.HotDeployFilter.doFilter(HotDeployFilter.java:60)
| at org.jboss.seam.web.SeamFilter$FilterChai
|
cheers
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18Â years, 11Â months