Форум программистов [Powered by Invision Power Board]

Цитата(TopaZ @ 27.2.2009, 21:54

)

Пробовал еще подключить в комбо-боксы a4j:support из библиотеки RichFaces и установить reRender, но отдельный комбо-бокс перерендерить не получилось(ошибка).

Код


 <a4j:outputPanel>
      <h:dataTable   rows="3" value="#{timeTicketBean.ticketList}" var="listEntry">
             <h:column>
                    <f:facet name="header">
                        <h:outputText value="Project"  style="font-weight: bold"/>
                    </f:facet>
                    <h:selectOneMenu value="#{listEntry.projectID}" >
                            <f:selectItem itemLabel="---Select project---" itemValue="#{-1}"/>
                     <f:selectItems value="#{timeTicketBean.projectItemList}"/>
                   <a4j:support event="onchange" reRender="data"/>
                   </h:selectOneMenu>
                </h:column>

                <h:column>
                   <f:facet name="header">
                      <h:outputText value="Categories"/>
                   </f:facet>
                   <h:selectOneMenu id="data" value="#{listEntry.categoryOfActID}" >
                  <f:selectItem itemLabel="---Select category---" itemValue="#{-1}"/>
                   <f:selectItems  value="#{timeTicketBean.categoryItemList}"/>
                  </h:selectOneMenu>

                </h:column>
    
                <h:column>
                   <f:facet name="header">
                      <h:outputText value="Activities"/>
                   </f:facet>
                  <h:selectOneMenu  value="#{listEntry.activityID}" >
                     <f:selectItem itemLabel="---Select activity---" itemValue="#{-1}"/>
                     <f:selectItems value="#{timeTicketBean.activityItemList}"/>
                   </h:selectOneMenu>
                </h:column>
            </h:dataTable> 
     </a4j:outputPanel>

Код


Exception while calling encodeEnd on component : {Component-Path : [Class: org.ajax4jsf.component.AjaxViewRoot,ViewId: /time_ticket.jsp][Class: javax.faces.component.html.HtmlForm,Id: j_id_jsp_1669527053_1][Class: org.ajax4jsf.component.html.HtmlAjaxOutputPanel,Id: j_id_jsp_1669527053_2][Class: javax.faces.component.html.HtmlDataTable,Id: j_id_jsp_1669527053_3][Class: javax.faces.component.UIColumn,Id: j_id_jsp_1669527053_10][Class: javax.faces.component.html.HtmlSelectOneMenu,Id: data]}

Caused by:
org.apache.jasper.el.JspPropertyNotFoundException - /time_ticket.jsp(46,18) '#{listEntry.categoryOfActID}' Target Unreachable, identifier 'listEntry' resolved to null
- Stack Trace
javax.faces.FacesException: Exception while calling encodeEnd on component : {Component-Path : [Class: org.ajax4jsf.component.AjaxViewRoot,ViewId: /time_ticket.jsp][Class: javax.faces.component.html.HtmlForm,Id: j_id_jsp_1669527053_1][Class: org.ajax4jsf.component.html.HtmlAjaxOutputPanel,Id: j_id_jsp_1669527053_2][Class: javax.faces.component.html.HtmlDataTable,Id: j_id_jsp_1669527053_3][Class: javax.faces.component.UIColumn,Id: j_id_jsp_1669527053_10][Class: javax.faces.component.html.HtmlSelectOneMenu,Id: data]}
    at javax.faces.component.UIComponentBase.encodeEnd(UIComponentBase.java:559)
    at org.ajax4jsf.renderkit.RendererBase.renderChild(RendererBase.java:286)
    at org.ajax4jsf.renderkit.AjaxChildrenRenderer.encodeAjaxComponent(AjaxChildrenRenderer.java:125)
    at org.ajax4jsf.renderkit.AjaxChildrenRenderer.encodeAjaxChildren(AjaxChildrenRenderer.java:68)
    at org.ajax4jsf.renderkit.AjaxChildrenRenderer.encodeAjaxComponent(AjaxChildrenRenderer.java:116)
    at org.ajax4jsf.renderkit.AjaxChildrenRenderer.encodeAjaxChildren(AjaxChildrenRenderer.java:68)
    at org.ajax4jsf.renderkit.AjaxChildrenRenderer.encodeAjaxComponent(AjaxChildrenRenderer.java:116)
    at org.ajax4jsf.renderkit.AjaxChildrenRenderer.encodeAjaxChildren(AjaxChildrenRenderer.java:68)
    at org.ajax4jsf.renderkit.AjaxChildrenRenderer.encodeAjaxComponent(AjaxChildrenRenderer.java:116)
    at org.ajax4jsf.renderkit.AjaxChildrenRenderer.encodeAjaxChildren(AjaxChildrenRenderer.java:68)
    at org.ajax4jsf.renderkit.AjaxChildrenRenderer.encodeAjaxComponent(AjaxChildrenRenderer.java:116)
    at org.ajax4jsf.renderkit.AjaxChildrenRenderer.encodeAjaxChildren(AjaxChildrenRenderer.java:68)
    at org.ajax4jsf.renderkit.AjaxChildrenRenderer.encodeAjaxComponent(AjaxChildrenRenderer.java:116)
    at org.ajax4jsf.renderkit.AjaxContainerRenderer.encodeAjax(AjaxContainerRenderer.java:123)
    at org.ajax4jsf.component.AjaxViewRoot.encodeAjax(AjaxViewRoot.java:641)
    at org.ajax4jsf.component.AjaxViewRoot.encodeChildren(AjaxViewRoot.java:512)
    at javax.faces.component.UIComponent.encodeAll(UIComponent.java:239)
    at org.apache.myfaces.application.jsp.JspViewHandlerImpl.actuallyRenderView(JspViewHandlerImpl.java:423)
    at org.apache.myfaces.application.jsp.JspViewHandlerImpl.renderView(JspViewHandlerImpl.java:380)
    at org.ajax4jsf.application.ViewHandlerWrapper.renderView(ViewHandlerWrapper.java:108)
    at org.ajax4jsf.application.AjaxViewHandler.renderView(AjaxViewHandler.java:189)
    at org.apache.myfaces.lifecycle.RenderResponseExecutor.execute(RenderResponseExecutor.java:41)
    at org.apache.myfaces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:140)
    at javax.faces.webapp.FacesServlet.service(FacesServlet.java:152)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
    at org.ajax4jsf.webapp.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:147)
    at org.ajax4jsf.webapp.BaseFilter.doFilter(BaseFilter.java:276)
    at org.ajax4jsf.Filter.doFilter(Filter.java:175)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:286)
    at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
    at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
    at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
    at java.lang.Thread.run(Thread.java:595)
Caused by: org.apache.jasper.el.JspPropertyNotFoundException: /time_ticket.jsp(46,18) '#{listEntry.categoryOfActID}' Target Unreachable, identifier 'listEntry' resolved to null
    at org.apache.jasper.el.JspValueExpression.getType(JspValueExpression.java:61)
    at org.apache.myfaces.shared_impl.renderkit._SharedRendererUtils.findUIOutputConverter(_SharedRendererUtils.java:58)
    at org.apache.myfaces.shared_impl.renderkit.RendererUtils.findUIOutputConverter(RendererUtils.java:391)
    at org.apache.myfaces.shared_impl.renderkit.html.HtmlRendererUtils.findUIOutputConverterFailSafe(HtmlRendererUtils.java:393)
    at org.apache.myfaces.shared_impl.renderkit.html.HtmlRendererUtils.internalRenderSelect(HtmlRendererUtils.java:316)
    at org.apache.myfaces.shared_impl.renderkit.html.HtmlRendererUtils.renderMenu(HtmlRendererUtils.java:288)
    at org.apache.myfaces.shared_impl.renderkit.html.HtmlMenuRendererBase.encodeEnd(HtmlMenuRendererBase.java:57)
    at javax.faces.component.UIComponentBase.encodeEnd(UIComponentBase.java:556)
    ... 40 more

Код


<h:dataTable   rows="3" value="#{timeTicketBean.ticketList}" var="listEntry">

               <h:column>
                   <f:facet name="header">
                      <h:outputText value="Project"  style="font-weight: bold"/>
                   </f:facet>
                   <rich:inplaceSelect  value="#{listEntry.projectID}" valueChangeListener="#{timeTicketBean.projectSelected}"  showControls="true" defaultLabel="Select project" >
                 <%--    <f:selectItem itemLabel="---Select project---" itemValue="#{-1}"/> --%>
                     <f:selectItems value="#{timeTicketBean.projectItemList}"/>
                <a4j:support event="onchange" reRender="data" /> 
                   </rich:inplaceSelect>
                 
                </h:column>
...

Код


<h:selectOneMenu>
<f:selectItems value="#{bean.items}"/>
<a4j:support event="onchange" actionListener="#{bean.listener}" immediate="true"/>
</h:selectOneManu>

Код


public class TimeTicketEntry {
private Integer projectID;
private Integer categoryOfActID;
private Integer activityID;
private ArrayList<SelectItem> activityItemList=new ArrayList<SelectItem>();
private ArrayList<SelectItem> categoryItemList=new ArrayList<SelectItem>();
private Boolean activitiesDisabled=true;//сначала элементы неактивны
private Boolean categoriesDisabled=true;


public ArrayList<SelectItem> getActivityItemList() {
    return activityItemList;
}

public void setActivityItemList(ArrayList<SelectItem> activityItemList) {
    this.activityItemList = activityItemList;
}

public ArrayList<SelectItem> getCategoryItemList() {
    return categoryItemList;
}

public void setCategoryItemList(ArrayList<SelectItem> categoryItemList) {
    this.categoryItemList = categoryItemList;
}

public Integer getActivityID() {
    System.out.println("getActivityID in entry:"+this.activityID);
    return activityID;
}

public void setActivityID(Integer activityID) {
    System.out.println("setActivityID in entry:"+activityID);
    this.activityID = activityID;
}



public Integer getProjectID() {
    return projectID;
}

public void setProjectID(Integer projectID) {
    System.out.println("setProjectID in entry:"+projectID);
    this.projectID = projectID;
}

public Integer getCategoryOfActID() {
    System.out.println("getCategoryID in entry:"+this.categoryOfActID);
    return categoryOfActID;
}

public void setCategoryOfActID(Integer categoryOfActID) {
    System.out.println("setCategoryID in entry:"+categoryOfActID);
    this.categoryOfActID = categoryOfActID;
}


public Boolean getActivitiesDisabled() {
    return activitiesDisabled;
}

public void setActivitiesDisabled(Boolean activitiesDisabled) {
    this.activitiesDisabled = activitiesDisabled;
}

public Boolean getCategoriesDisabled() {
    return categoriesDisabled;
}

public void setCategoriesDisabled(Boolean categoriesDisabled) {
    this.categoriesDisabled = categoriesDisabled;
}


}

Код


public class TimeTicketBean {
    
    private ArrayList<SelectItem> projectsItemList=new ArrayList<SelectItem>();
    private ListDataModel model=null;
    private ArrayList<TimeTicketEntry> ticketList= new ArrayList<TimeTicketEntry>(5);
    public SelectItem getSelectProject() {
        return selectProject;
    }
    public ArrayList<TimeTicketEntry> getTicketList() {
        
        return this.ticketList;
    }
    
    
    public void setTicketList(TimeTicketEntry ticketEntry){
        this.ticketList.add(ticketEntry);
    }
    
    
    // получение списка имен проектов и их идентификаторов для SelectOneMenu из БД 
    public ArrayList<SelectItem> getProjectItemList(){
        projectsItemList=new ArrayList<SelectItem>();
        FacesContext facesContext = FacesContext.getCurrentInstance();
        try{
            Session session=HibernateUtil.currentSession(); 
            
            ArrayList<Projects> projectsList = (ArrayList<Projects>)session.createQuery("select proj from Projects proj").list();
            for(Projects proj:projectsList)
            {
                this.projectsItemList.add(new SelectItem((int)proj.getProjectId(),(String)proj.getProjectName()));
            }
            
        }
        catch(Exception ex){
            
            facesContext.addMessage(null,new FacesMessage("Error: " + ex.toString()+" : "+ ex.getMessage()));
        }
        finally { 
            
            HibernateUtil.closeSession();
        } 
        return projectsItemList;
        }
    
    // получение списка имен активностей и их идентификаторов для SelectOneMenu из БД 
    public ArrayList<SelectItem> createActivityItemList(Integer CategoryID){
        ArrayList<SelectItem> activityItemList=new ArrayList<SelectItem>();
        FacesContext facesContext = FacesContext.getCurrentInstance();
        try{
            Session session=HibernateUtil.currentSession(); 
            ArrayList<Activities> activList = (ArrayList<Activities>)session.createQuery("select distinct catOfActs.activities from CategoriesOfActivities catOfActs where catOfActs.categories.categoryId=:catID").setInteger("catID", CategoryID).list();
            
        
            for(Activities acts:activList)
            {
                activityItemList.add(new SelectItem((int)acts.getActivityId(), (String)acts.getActivityName()));
                
            }
            
            
        }
        catch(Exception ex){
            
            facesContext.addMessage(null,new FacesMessage("Error: " + ex.toString()+" : "+ ex.getMessage()));
        }
        finally { 
            
            
            HibernateUtil.closeSession();
        } 
        return activityItemList;
    }
// создание списков категорий работ для selectOneMenu из БД 
    public ArrayList<SelectItem> createCategoryItemList(Integer projectID){
        
        ArrayList<SelectItem> categoryItemList=new ArrayList<SelectItem>();
        FacesContext facesContext = FacesContext.getCurrentInstance();
        try{
            Session session=HibernateUtil.currentSession(); 
            
            ArrayList<Categories> catList = (ArrayList<Categories>)session.createQuery("select distinct plan.categoriesOfActivities.categories from PlanWorkTime plan where plan.projects.projectId=:projID").setInteger("projID", projectID).list();
        
            for(Categories cats:catList)
            {
                categoryItemList.add(new SelectItem((int)cats.getCategoryId(), (String)cats.getCategoryName()));
                
            }
            
        }
        catch(Exception ex){
            
            facesContext.addMessage(null,new FacesMessage("Error: " + ex.toString()+" : "+ ex.getMessage()));
        }
        finally { 
            
            HibernateUtil.closeSession();
        } 
        return categoryItemList;
    }
    
    
    public DataModel getTickets(){return model;}
    
    
    public void reloadCategories(ValueChangeEvent event)
    {
        System.out.println("Reload table started");
        TimeTicketEntry currentEntry=(TimeTicketEntry)model.getRowData();
        currentEntry.setCategoriesDisabled(true);
        currentEntry.setProjectID((Integer)event.getNewValue());
        currentEntry.setCategoryItemList(this.createCategoryItemList(currentEntry.getProjectID()));
        
        if((currentEntry.getProjectID()!=null)&& (currentEntry.getProjectID()!=-1)&&(currentEntry.getCategoryItemList().size()>1))
        {
            currentEntry.setCategoriesDisabled(false);
        }else{currentEntry.setCategoriesDisabled(true);
        currentEntry.setActivitiesDisabled(true);}
        model.setRowIndex(model.getRowIndex());
    }
    
    
    public void reloadActivities(ValueChangeEvent event)
    {
        System.out.println("Reload table started");
        TimeTicketEntry currentEntry=(TimeTicketEntry)model.getRowData();
        currentEntry.setActivitiesDisabled(true);
        currentEntry.setCategoryOfActID((Integer)event.getNewValue());
        currentEntry.setActivityItemList(this.createActivityItemList(currentEntry.getCategoryOfActID()));
        
        if((currentEntry.getProjectID()!=null)&& (currentEntry.getProjectID()!=-1)&&(currentEntry.getCategoryOfActID()!=null)&&(currentEntry.getCategoryOfActID()!=-1)&& (currentEntry.getActivityItemList().size()>1))
        {
            currentEntry.setActivitiesDisabled(false);
        }else{currentEntry.setActivitiesDisabled(true);}
        model.setRowIndex(model.getRowIndex());
        
    }

    public ListDataModel getModel() {
        return model;
    }

    public void setModel(ListDataModel model) {
        this.model = model;
    }
    
}

Код


<h:dataTable  id="tickets" value="#{timeTicketBean.model}" var="listEntry">

               <h:column>
                   <f:facet name="header">
                      <h:outputText value="Project"  style="font-weight: bold"/>
                   </f:facet>
                   <h:selectOneMenu id="proj"  value="#{listEntry.projectID}" onchange="submit()" valueChangeListener="#{timeTicketBean.reloadCategories}"  >
                     
                     <f:selectItems value="#{timeTicketBean.projectItemList}"/>
             
                   </h:selectOneMenu>
                   
                 
                </h:column>


                <h:column>

                   <f:facet name="header">

                      <h:outputText value="Categories"/>

                   </f:facet>

                  <h:selectOneMenu id="tick" disabled="#{listEntry.categoriesDisabled}" value="#{listEntry.categoryOfActID}" onchange="submit()" valueChangeListener="#{timeTicketBean.reloadActivities}">
                      
                     <f:selectItems  value="#{listEntry.categoryItemList}"/>
                  </h:selectOneMenu>

                </h:column>
                
                <h:column>

                   <f:facet name="header">

                      <h:outputText value="Activities"/>

                   </f:facet>

                  <h:selectOneMenu disabled="#{listEntry.activitiesDisabled}" value="#{listEntry.activityID}"  >
                     
                     <f:selectItems value="#{listEntry.activityItemList}"/>
                   </h:selectOneMenu>

                </h:column>
         
            </h:dataTable>