Java Primefaces树表：使用p:ajax删除节点无效
我正在尝试创建一个树型组件（PrimeFaces 3.5），当它发生unselect ajax事件（取消选中该框）时，我想使用onNodeUnselect侦听器方法删除这个未选中（未选中）的树型节点： XHTMLJava Primefaces树表：使用p:ajax删除节点无效,java,jsf,primefaces,Java,Jsf,Primefaces,我正在尝试创建一个树型组件（PrimeFaces 3.5），当它发生unselect ajax事件（取消选中该框）时，我想使用onNodeUnselect侦听器方法删除这个未选中（未选中）的树型节点： XHTML <p:treeTable id="treeTable" value="#{treeTableManager.treeNode}" var="data" selection="#{treeTableManager.selectedTreeNode}"
<p:treeTable id="treeTable" value="#{treeTableManager.treeNode}" var="data"
selection="#{treeTableManager.selectedTreeNode}"
selectionMode="checkbox">
<p:ajax event="unselect" update=":form:treeTable" listener="#{treeTableManager.onNodeUnselect}" />
<p:column>
<f:facet name="header">
Title
</f:facet>
<h:outputText value="#{data}"/>
</p:column>
</p:treeTable>
java.lang.IndexOutOfBoundsException: Index: 0, Size: 0
at java.util.ArrayList.rangeCheck(ArrayList.java:604)
at java.util.ArrayList.get(ArrayList.java:382)
at org.primefaces.component.api.UITree.findTreeNode(UITree.java:121)
at org.primefaces.component.api.UITree.setRowKey(UITree.java:80)
at org.primefaces.component.api.UITree.visitTree(UITree.java:417)
at javax.faces.component.UIComponent.visitTree(UIComponent.java:1601)
at javax.faces.component.UIComponent.visitTree(UIComponent.java:1601)
at javax.faces.component.UIForm.visitTree(UIForm.java:344)
at javax.faces.component.UIComponent.visitTree(UIComponent.java:1601)
at javax.faces.component.UIComponent.visitTree(UIComponent.java:1601)
at javax.faces.component.UIComponent.visitTree(UIComponent.java:1601)
at javax.faces.component.UIComponent.visitTree(UIComponent.java:1601)
at com.sun.faces.context.PartialViewContextImpl.processComponents(PartialViewContextImpl.java:376)
at com.sun.faces.context.PartialViewContextImpl.processPartial(PartialViewContextImpl.java:297)
at javax.faces.context.PartialViewContextWrapper.processPartial(PartialViewContextWrapper.java:183)
at javax.faces.component.UIViewRoot.encodeChildren(UIViewRoot.java:981)
at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1757)
at com.sun.faces.application.view.FaceletViewHandlingStrategy.renderView(FaceletViewHandlingStrategy.java:391)
at com.sun.faces.application.view.MultiViewHandler.renderView(MultiViewHandler.java:131)
at javax.faces.application.ViewHandlerWrapper.renderView(ViewHandlerWrapper.java:288)
at com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:121)
at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:101)
at com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:139)
at javax.faces.webapp.FacesServlet.service(FacesServlet.java:594)
at org.apache.catalina.core.StandardWrapper.service(StandardWrapper.java:1550)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:343)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:217)
at org.primefaces.webapp.filter.FileUploadFilter.doFilter(FileUploadFilter.java:79)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:256)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:217)
at com.mediaretrievers.controller.login.AuthenticationFilter.doFilter(AuthenticationFilter.java:36)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:256)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:217)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:279)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:655)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:595)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:161)
at org.apache.catalina.connector.CoyoteAdapter.doService(CoyoteAdapter.java:331)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:231)
at com.sun.enterprise.v3.services.impl.ContainerMapper$AdapterCallable.call(ContainerMapper.java:317)
at com.sun.enterprise.v3.services.impl.ContainerMapper.service(ContainerMapper.java:195)
at com.sun.grizzly.http.ProcessorTask.invokeAdapter(ProcessorTask.java:860)
at com.sun.grizzly.http.ProcessorTask.doProcess(ProcessorTask.java:757)
at com.sun.grizzly.http.ProcessorTask.process(ProcessorTask.java:1056)
at com.sun.grizzly.http.DefaultProtocolFilter.execute(DefaultProtocolFilter.java:229)
at com.sun.grizzly.DefaultProtocolChain.executeProtocolFilter(DefaultProtocolChain.java:137)
at com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:104)
at com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:90)
at com.sun.grizzly.http.HttpProtocolChain.execute(HttpProtocolChain.java:79)
at com.sun.grizzly.ProtocolChainContextTask.doCall(ProtocolChainContextTask.java:54)
at com.sun.grizzly.SelectionKeyContextTask.call(SelectionKeyContextTask.java:59)
at com.sun.grizzly.ContextTask.run(ContextTask.java:71)
at com.sun.grizzly.util.AbstractThreadPool$Worker.doWork(AbstractThreadPool.java:532)
at com.sun.grizzly.util.AbstractThreadPool$Worker.run(AbstractThreadPool.java:513)
at java.lang.Thread.run(Thread.java:722)
<p:commandButton id="hideBotton" widgetVar="buttonObject"
update=":form:treeTable" process="@this"
actionListener="#{treeTableManager.onNodeUnselect}"/>
<p:treeTable id="treeTable" value="#{treeTableManager.treeNode}" var="data"
selection="#{treeTableManager.selectedTreeNode}"
selectionMode="checkbox">
<p:ajax event="unselect" oncomplete="buttonObject.jq.click()" listener="#{treeTableManager.setNodeEventTrigger}" />
<p:column>
<f:facet name="header">
teste
</f:facet>
<h:outputText value="#{data}"/>
</p:column>
</p:treeTable>
我不知道发生了什么，但从我所看到的情况来看，这是ajax中的一些东西。有人能给我一个提示吗？也许是我们遇到的同一个问题。它在Primefaces 3.4.4、3.5.2和即将推出的4.0中得到了修复。看见不幸的是，3.4.4和3.5.2版本只有在您以PRO或ELITE身份订阅时才能获得。如果您没有，您可以等待4.0或将此修复程序合并到3.5 fork（）的一个自己的分支中。OK。我一直认为我做错了什么。谢谢你的提示。
<p:commandButton id="hideBotton" widgetVar="buttonObject"
update=":form:treeTable" process="@this"
actionListener="#{treeTableManager.onNodeUnselect}"/>
<p:treeTable id="treeTable" value="#{treeTableManager.treeNode}" var="data"
selection="#{treeTableManager.selectedTreeNode}"
selectionMode="checkbox">
<p:ajax event="unselect" oncomplete="buttonObject.jq.click()" listener="#{treeTableManager.setNodeEventTrigger}" />
<p:column>
<f:facet name="header">
teste
</f:facet>
<h:outputText value="#{data}"/>
</p:column>
</p:treeTable>
public void onNodeUnselect(){
//I have done it just to simplify the exemple.
this.treeNode.getChildren().remove(0);
}