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From "Martin Marinschek (JIRA)" <myfaces-...@incubator.apache.org>
Subject [jira] Closed: (MYFACES-229) DataList does not work correctly like a DataTable with input components
Date Wed, 04 May 2005 16:53:07 GMT
     [ http://issues.apache.org/jira/browse/MYFACES-229?page=all ]
     
Martin Marinschek closed MYFACES-229:
-------------------------------------

     Resolution: Fixed
    Fix Version: Nightly Build

patch by Mathias Werlitz

> DataList does not work correctly like a DataTable with input components
> -----------------------------------------------------------------------
>
>          Key: MYFACES-229
>          URL: http://issues.apache.org/jira/browse/MYFACES-229
>      Project: MyFaces
>         Type: Bug
>     Versions: 1.0.9 beta
>     Reporter: Mathias Werlitz
>      Fix For: Nightly Build

>
> I have a problem using the DataList component. I would like to use input components within
it, but the model isn't updated at all. I use a List a the DataList value.
> If I use a DataTable instead everything works fine.
> here an example - does NOT work:
> <h:form>
>          <x:dataList id="foo" var="item"
>                         value="#{myBean.items}" >
>                 <h:inputText value="#{item.value}" />
>         </x:dataList>
>             
>     <h:commandButton  action="save" />
> </h:form>
> but this works:
> <h:form>
>          <h:dataTable id="foo" var="item"
>                         value="#{myBean.items}" >
>                 <h:inputText value="#{item.value}" />
>         </h:dataTable>
>             
>     <h:commandButton  action="save" />
> </h:form>
> I'm not very familia with svn and the patch generation so i will submit my solution here.
Some of the developers only has to c&p the code ;)
> PROBLEM: Unimplemented methods in org.apache.myfaces.custom.datalist.HtmlDataList
> public void processUpdates(FacesContext context);
> public void processValidators(FacesContext context)
> SOLUTION:
> 	public void processUpdates(FacesContext context) {
> 		int first = getFirst();
>         int rows = getRows();
>         int last;
>         if (rows == 0)
>         {
>             last = getRowCount();
>         }
>         else
>         {
>             last = first + rows;
>         }
>         for (int rowIndex = first; rowIndex < last; rowIndex++)
>         {
>             setRowIndex(rowIndex);
>             if (isRowAvailable())
>             {
>                 for (Iterator it = getChildren().iterator(); it.hasNext();)
>                 {
>                     UIComponent child = (UIComponent)it.next();
>                     if (!child.isRendered())
>                     {
>                         continue;
>                     }
>                     child.processUpdates(context);
>                 }
>             }
>         }
>         setRowIndex(-1);
> 	}
> 	
> 	public void processValidators(FacesContext context) {
> 		int first = getFirst();
>         int rows = getRows();
>         int last;
>         if (rows == 0)
>         {
>             last = getRowCount();
>         }
>         else
>         {
>             last = first + rows;
>         }
>         for (int rowIndex = first; rowIndex < last; rowIndex++)
>         {
>             setRowIndex(rowIndex);
>             if (isRowAvailable())
>             {
>                 for (Iterator it = getChildren().iterator(); it.hasNext();)
>                 {
>                     UIComponent child = (UIComponent)it.next();
>                     if (!child.isRendered())
>                     {
>                         continue;
>                     }
>                     child.processValidators(context);
>                 }
>             }
>         }
>         setRowIndex(-1);
> 	}

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