Seam：在丰富的：dataTable 行中更新 h:inputText 中的数据时遇到问题

Question

我正在尝试构建一个可编辑表格来输入购买订单详细信息的值。我有一个绑定到列表的 rich:datatable，并且通过向列表添加元素来动态地将行添加到表中。该实体有两个必须手动输入的字段，因此我使用 h:inputTexts 来执行此操作，但在这些字段中输入的值不会保存到列表中的对象中。我也尝试使用 rich:inplaceInput 执行此操作（遵循 Exadel Richfaces livedemo 上的确切说明），但无济于事。这是我的代码：

    <rich:panel>
 <f:facet name="header">#{messages.DetalleOrdenCompra}</f:facet>
 <h:outputLabel value="#{messages.Codigo}" for="txtCodigo" /> #{'   '}     
 <h:inputText id="txtCodigo">
  <rich:suggestionbox id="suggestionBox" for="txtCodigo"
   var="consumible" fetchValue="#{consumible.conNombre}"
   suggestionAction="#{ordenCompraHome.autoComplete}" minChars="1"
   reRender="tablaDetOrdComp" ignoreDupResponses="true"
   bypassUpdates="false">
   <h:column>
    <f:facet name="header">#{messages.Codigo}</f:facet>
    <h:outputText value="#{consumible.conNumber}" />
   </h:column>
   <h:column>
    <f:facet name="header">#{messages.Descripcion}</f:facet>
    <h:outputText value="#{consumible.conNombre}" />
   </h:column>
   <a:support event="onselect" immediate="true"
    ignoreDupResponses="true" bypassUpdates="false">
    <f:setPropertyActionListener value="#{consumible}"
     target="#{ordenCompraHome.conActual}" />
   </a:support>
  </rich:suggestionbox>
 </h:inputText>
 #{'   '}
 <!-- Add elements to the list -->
 <a:commandButton type="button" value="#{messages.Agregar}"
  action="#{ordenCompraHome.anadirSeleccionadoADetalle()}"
  reRender="tablaDetOrdComp" immediate="true" />    

 <!-- Hitting this button after entering any values in the table below shows that the values are never updated -->
 <a:commandButton type="button" value="Refrescar tabla"
  reRender="tablaDetOrdComp" immediate="true" />
 <br />
 <br />
 <rich:dataTable value="#{ordenCompraHome.detalleOrdenCompra}"
  var="detOrdComp" id="tablaDetOrdComp" rowKeyVar="row">
  <rich:column width="5%">
   <f:facet name="header">
    <h:outputText value="#"></h:outputText>
   </f:facet>
   <h:outputText value="#{row+1}"></h:outputText>
  </rich:column>

  <!-- ... more columns, just data output -->

  <!-- The two following columns are user inputs -- no updates in the underlying list when entering any value, both values are always null -->
  <rich:column width="10%">
   <f:facet name="header">
    <h:outputText value="#{messages.Cantidad}"></h:outputText>
   </f:facet>
   <s:decorate template="layout/edit-nolabel.xhtml">
   <h:inputText value="#{detOrdComp.ordCantidad}" id="txtCantidad" required="true">
    <!-- tried with both events, onblur and onviewactivated, first each on on its own, then both together, no results -->       
    <a:support event="onblur" reRender="columnaMonto" immediate="true"
     bypassUpdates="false" ajaxSingle="true" />
    <a:support event="onviewactivated" reRender="columnaMonto" immediate="true"
     bypassUpdates="false" ajaxSingle="true" />
   </h:inputText>
   </s:decorate>      
  </rich:column>

  <rich:column width="10%">
   <f:facet name="header">
    <h:outputText value="#{messages.CostoUnitario}"></h:outputText>
   </f:facet>
   <s:decorate template="layout/edit-nolabel.xhtml">
    <h:inputText value="#{detOrdComp.ordCostoUnitario}"
     id="txtCostoUnitario" required="true">
     <a:support event="onblur" reRender="columnaMonto"
      immediate="true" bypassUpdates="false" ajaxSingle="true" />
     <a:support event="onviewactivated" reRender="columnaMonto" immediate="true"
      bypassUpdates="false" ajaxSingle="true" />
    </h:inputText>
   </s:decorate>
  </rich:column>

  <!-- This column is the result of a multiplication between txtCantidad and txtCostoUnitario -- I don't get anything here since both factors are null (null values have been properly handled so 0.0 is displayed when any of the factors is null) --> 

  <rich:column id="columnaMonto" width="10%">
   <f:facet name="header">
    <h:outputText value="#{messages.Monto}"></h:outputText>
   </f:facet>
   <h:outputText value="#{detOrdComp.ordSubparcial}"></h:outputText>
  </rich:column>
 </rich:dataTable>

豆：

// Underlying list. I used just @DataModel, then @DataModel(scope = ScopeType.PAGE), no results
 @DataModel(scope = ScopeType.PAGE)
 public List<OrdenCompraDetalle> getDetalleOrdenCompra() {
   return detalleOrdenCompra;
 }

我之前使用过类似的东西（来自 Livedemo），而不是 s:decorates，但它也不起作用

<rich:dataTable value="#{dataTableScrollerBean.allCars}" var="car" width="350px" columnClasses=",columns,columns,columns" rows="15" id="table" rowKeyVar="row">
<rich:column>
    <f:facet name="header">
        <h:outputText value="Price" />
    </f:facet>
    <rich:inplaceInput layout="block" value="#{car.price}"          
        id="inplace" required="true" selectOnEdit="true" editEvent="ondblclick">                        
            <a4j:support event="onviewactivated" reRender="table, messages"/>
    </rich:inplaceInput>
</rich:column>

我在这里缺少什么？任何帮助，将不胜感激。预先感谢。

Answer 1

我认为你的问题是

ajaxSingle="true"

属性。该属性意味着，即使表单中的所有输入元素都已提交，也只会处理触发提交的输入。

如果这是问题所在，您可以尝试以下任一方法（我假设

a

前缀是常见的

a4j

前缀？）：

• 将

  h:inputText

  的id添加到

  processed

  属性到

  <a:support>

  。这将强制处理特定行的输入。例如（未测试）：

   <h:inputText value="#{detOrdComp.ordCostoUnitario}"
    id="txtCostoUnitario" required="true">
    <a:support event="onblur" reRender="columnaMonto"
     immediate="true" bypassUpdates="false" ajaxSingle="true" processed="txtCostoUnitario" />
    <a:support event="onviewactivated" reRender="columnaMonto" immediate="true"
     bypassUpdates="false" ajaxSingle="true" processed="txtCostoUnitario"/>
   </h:inputText>
  

• 删除

  ajaxSingle

  并将

  <h:inputText>

  包围在

  a4j:region

  中（类似于处理过的 ajaxSingle，这里处理最近/封闭区域中的所有输入）：

   <a4j:region>
     <h:inputText value="#{detOrdComp.ordCostoUnitario}" id="txtCostoUnitario" 
             required="true">
         <a:support event="onblur" reRender="columnaMonto"
                immediate="true" bypassUpdates="false" />
         <a:support event="onviewactivated" reRender="columnaMonto" 
             immediate="true" bypassUpdates="false" />
     </h:inputText>
   </a4j:region>
  

• 删除

  ajaxSingle

  。这将导致表单中的所有元素都被处理。需要更多时间。