nauke. wrote:
> Hi,
>
> I have a list of names like:
>
> List<String> names;
>
> I want to display this in a table as links on my JSP page.
> I did this:
>
> (JSP file)
>
> <%@ taglib uri="/tags/struts-displaytag" prefix="displaytag" %>
>
> <displaytag:table id="nameslist" name="requestScope.names" class="sr"
> requestURI="" pagesize="50" decorator="NamesDecorator">
> <displaytag:setProperty name="paging.banner.placement"
> value="bottom"/>
> <displaytag:setProperty name="basic.empty.showtable" value="true"/>
> </displaytag:table>
>
> (NameDecorator class)
>
> package myproject.decorators;
>
> import org.apache.log4j.Logger;
> import org.displaytag.decorator.TableDecorator;
>
> public class NamesDecorator extends TableDecorator {
>
> private static final Logger log =
> Logger.getLogger(NamesDecorator.class);
>
> public String displayNames() {
> log.info <http://log.info>("do i get here?");
> String name = (String) getCurrentRowObject();
> StringBuilder link = new StringBuilder();
> link.append("<a href=\"mylink\">");
> link.append(name);
> link.append("</a>");
> return link.toString();
> }
> }
>
> The table displays fine but the names are not being generated as links.
> It appears I never even get to the decorator ...
>
> All the examples on the net do it just like this, what am I doing wrong?
Do they?
First of all you need to give the fully qualified class name to the
decorator attribute of the display:table tag or it won't know where the
decorator is.
Secondly "... before it starts processing a particular row, it gives the
object for that row to the decorator, then as the various properties
*getXXX()* [my emphasis] methods - the decorator will be called first
and if the decorator doesn't implement the given property, the method
will be called on the original object in your List."
<http://displaytag.homeip.net/displaytag-examples-1.2/example-decorator.jsp>
Thirdly I think you'll need to explicitly define a column otherwise
DisplayTag won't know what the column is called:
<display:column property="name" />
Ed!
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