Re: Listing enumerations

What's the Java class and method behind database.displayTables?

-- 
Best regards,
 Daniel Dekany


Friday, March 9, 2012, 6:31:24 PM, Tim Pizey wrote:

> Hi,
>
> I have a method which returns an Enumeration, but when it is rendered
> with #list or #foreach
> an exception is thrown:
>
> ?size is unsupported for: freemarker.ext.beans.OverloadedMethodModel
> The problematic instruction:
> ----------
==>> list melati.database.displayTables as table [on line 67, column 50
> in org/melati/admin/Top.fml]
> ----------
>
> Java backtrace for programmers:
> ----------
> freemarker.template.TemplateModelException: ?size is unsupported for:
> freemarker.ext.beans.OverloadedMethodModel
>         at
> freemarker.ext.beans.OverloadedMethodModel.size(OverloadedMethodModel.java:149)
>         at
> freemarker.core.IteratorBlock$Context.runLoop(IteratorBlock.java:174)
>         at freemarker.core.Environment.visit(Environment.java:428)
>
> The template is:
>
> <select name="table" OnChange="submit();" title="Select table to edit">
> <#assign lasttype = "">
> <#assign selected = false>
> <#list melati.database.displayTables as table>
>   <#if !table.tableInfo.category.equals(lasttype)>
>     <option value="">&nbsp;</option>
>     <option value="">${table.tableInfo.category.name}</option>
>     <option value="">============</option>
>   </#if>
>   <#assign lasttype = table.tableInfo.category>
>   <option value="${table.name}"
>   <#if !selected>
>    <#if melati.table>
>     <#if melati.table.equals(table)>
>     selected="selected"
>      <#assign selected = true>
>    </#if>
>    <#else>
>     <#if table.getName().equals(admin.getPrimaryDisplayTable(melati))>
>      selected="selected"
>       <#assign selected = true>
>     </#if>
>    </#if>
>   </#if>> ${ml.rendered(table.displayName)}</option>
> </#list></select>
>
>
> I am using BeanWrapper.
>
> The documentation for #list
> http://freemarker.sourceforge.net/docs/ref_directive_list.html
> says, as far as I can understand, that an enumeration and and iterator
> should be usable.
>
> Sorry if this is a newbie error.
>
> thanks in advance
> Tim


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