使用UIComponent.getId()区分按钮操作

本文详细介绍了如何在开发过程中利用ADF和JSF技术,实现自定义Popup和Dialog,并通过不同按钮区分操作流程。通过示例代码展示了如何创建对话框、配置按钮栏以及响应按钮点击事件,提供了方便的区分不同操作的方法。

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环境:ADF, JSF

在开发中,经常会使用自定义的Popup和Dialog,Dialog中的按钮通常也不是默认的。不同的按钮会有不同的操作,可以使用下面的代码,简单方便进行不同操作的区分:

<af:popup > <af:dialog title="Confirm Change" type="none" > <f:verbatim> Would you like to save the change?</f:verbatim> <f:facet name="buttonBar"> <af:panelGroupLayout layout="horizontal" halign="center"> <af:commandButton text="Yes" id="yes" actionListener="#{sharedPopup.handleDialog}" partialSubmit="true"/> <af:commandButton text="No" id="no" actionListener="#{sharedPopup.handleDialog}" partialSubmit="true"/> </af:panelGroupLayout> </f:facet> </af:dialog> </af:popup> ... ... public void handleDialog(ActionEvent event) { UIComponent source = (UIComponent)event.getSource(); if (source.getId().equals("no")) { xxx xxxx } else { xxx xxxx } RichPopup popup = getPopup(); // popup binding popup.hide(); }


Message:Cannot find component for expression "productCode" referenced from "j_idt9:j_idt24:table:0:j_idt35".org.primefaces.expression.ComponentNotFoundException: Cannot find component for expression "productCode" referenced from "j_idt9:j_idt24:table:0:j_idt35". at org.primefaces.expression.SearchExpressionFacade.cannotFindComponent(SearchExpressionFacade.java:708) at org.primefaces.expression.SearchExpressionFacade.resolveClientIds(SearchExpressionFacade.java:249) at org.primefaces.expression.SearchExpressionFacade.resolveClientIds(SearchExpressionFacade.java:143) at org.primefaces.component.tooltip.TooltipRenderer.encodeEnd(TooltipRenderer.java:34) at javax.faces.component.UIComponentBase.encodeEnd(UIComponentBase.java:595) at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1654) at org.primefaces.component.column.Column.renderChildren(Column.java:361) at org.primefaces.component.datatable.DataTableRenderer.encodeCell(DataTableRenderer.java:1362) at org.primefaces.component.datatable.DataTableRenderer.encodeRow(DataTableRenderer.java:1288) at org.primefaces.component.datatable.DataTableRenderer.encodeRows(DataTableRenderer.java:1184) at org.primefaces.component.datatable.DataTableRenderer.encodeTbody(DataTableRenderer.java:1115) at org.primefaces.component.datatable.DataTableRenderer.encodeTbody(DataTableRenderer.java:1064) at org.primefaces.component.datatable.DataTableRenderer.encodeRegularTable(DataTableRenderer.java:426) at org.primefaces.component.datatable.DataTableRenderer.encodeMarkup(DataTableRenderer.java:361) at org.primefaces.component.datatable.DataTableRenderer.encodeEnd(DataTableRenderer.java:94) at javax.faces.component.UIComponentBase.encodeEnd(UIComponentBase.java:595) at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1654) at com.sun.faces.context.PartialViewContextImpl$PhaseAwareVisitCallback.visit(PartialViewContextImpl.java:615) at com.sun.faces.component.visit.PartialVisitContext.invokeVisitCallback(PartialVisitContext.java:159) at org.primefaces.component.api.UIData.visitTree(UIData.java:850) at javax.faces.component.UIComponent.visitTree(UIComponent.java:1468) at javax.faces.component.UIComponent.visitTree(UIComponent.java:1468) at javax.faces.component.UINamingContainer.visitTree(UINamingContainer.java:150) at javax.faces.component.UIComponent.visitTree(UIComponent.java:1468) at javax.faces.component.UIForm.visitTree(UIForm.java:355) at javax.faces.component.UIComponent.visitTree(UIComponent.java:1468) at javax.faces.component.UIComponent.visitTree(UIComponent.java:1468) at com.sun.faces.context.PartialViewContextImpl.processComponents(PartialViewContextImpl.java:400) at com.sun.faces.context.PartialViewContextImpl.processPartial(PartialViewContextImpl.java:319) at org.primefaces.context.PrimePartialViewContext.processPartial(PrimePartialViewContext.java:57) at javax.faces.component.UIViewRoot.encodeChildren(UIViewRoot.java:1102) at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1647) at com.sun.faces.application.view.FaceletViewHandlingStrategy.renderView(FaceletViewHandlingStrategy.java:442) at com.sun.faces.application.view.MultiViewHandler.renderView(MultiViewHandler.java:170) at javax.faces.application.ViewHandlerWrapper.renderView(ViewHandlerWrapper.java:132) at com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:102) at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:76) at com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:199) at javax.faces.webapp.FacesServlet.executeLifecyle(FacesServlet.java:708) at javax.faces.webapp.FacesServlet.service(FacesServlet.java:451) at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:295) at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:260) at weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:137) at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:353) at weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:25) at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:82) at org.primefaces.webapp.filter.FileUploadFilter.doFilter(FileUploadFilter.java:81) at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:82) at com.lkm.pmi.template.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:21) at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:82) at weblogic.servlet.internal.RequestEventsFilter.doFilter(RequestEventsFilter.java:32) at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:82) at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.wrapRun(WebAppServletContext.java:3866) at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:3829) at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:344) at weblogic.security.service.SecurityManager.runAsForUserCode(SecurityManager.java:197) at weblogic.servlet.provider.WlsSecurityProvider.runAsForUserCode(WlsSecurityProvider.java:203) at weblogic.servlet.provider.WlsSubjectHandle.run(WlsSubjectHandle.java:71) at weblogic.servlet.internal.WebAppServletContext.processSecuredExecute(WebAppServletContext.java:2502) at weblogic.servlet.internal.WebAppServletContext.doSecuredExecute(WebAppServletContext.java:2351) at weblogic.servlet.internal.WebAppServletContext.securedExecute(WebAppServletContext.java:2326) at weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.java:2304) at weblogic.servlet.internal.ServletRequestImpl.runInternal(ServletRequestImpl.java:1779) at weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:1733) at weblogic.servlet.provider.ContainerSupportProviderImpl$WlsRequestExecutor.run(ContainerSupportProviderImpl.java:272) at weblogic.invocation.ComponentInvocationContextManager._runAs(ComponentInvocationContextManager.java:352) at weblogic.invocation.ComponentInvocationContextManager.runAs(ComponentInvocationContextManager.java:337) at weblogic.work.LivePartitionUtility.doRunWorkUnderContext(LivePartitionUtility.java:57) at weblogic.work.PartitionUtility.runWorkUnderContext(PartitionUtility.java:41) at weblogic.work.SelfTuningWorkManagerImpl.runWorkUnderContext(SelfTuningWorkManagerImpl.java:651) at weblogic.work.ExecuteThread.execute(ExecuteThread.java:420) at weblogic.work.ExecuteThread.run(ExecuteThread.java:360)
最新发布
08-06
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