Hello,
You can add a hidden column and sort this column and also add a column
containing the values to be displayed.
So you will have something like:
<display:table id="document" name="pageScope.listeDocuments" defaultsort="1"
class="dataTable" decorator="MyDecoratorClass">
<display:column property="dataHidden" title="" class="hidden"
headerClass="hidden" media="html"/>
<display:column property="dataDisplayed" title="My Data" />
</display:table>
Then you can use the MyDecoratorClass to handle this with two methods:
import org.displaytag.decorator.TableDecorator;
public class MyDecoratorClass extends TableDecorator {
public MyDecoratorClass() {
super();
}
// This method is useless
public String getDataHidden() {
MyObject doc = (MyObject) getCurrentRowObject();
return doc.getDataHidden();
}
public String getDataDisplayed () {
MyObject doc = (MyObject) getCurrentRowObject();
String newFormat = "";
// Your code here
return newFormat;
}
}
Hope this helps
David.
> -----Original Message-----
> From: [EMAIL PROTECTED] [mailto:displaytag-
> [EMAIL PROTECTED] On Behalf Of Chris Pratt
> Sent: mercredi 23 janvier 2008 05:37
> To: DisplayTag User Group
> Subject: [displaytag-user] Sorting the Data, not the Display
>
> Is it possible to sort by the data in the column, not by what's
> displayed on the screen? Here's my dilemma, I have a table that shows
> mail messages and uses a friendly format for dates (If the date is
> today, it shows the time the message was received, if it was this year
> it shows the Abbreviated Month and Day, Otherwise it shows it in a
> simple 01/01/2001 format. To achieve this little bit of magic, I just
> use a simple JSP EL Function, so my column looks like:
>
> <display:column
> ...>${a:friendlyDate(message.receivedDate)}</display:column>
>
> If I put the sortable="true" in there it sorts on the data displayed,
> which isn't very useful.
>
> If I put the property="receivedDate" it ignores the formatted display
> in the body.
>
> I was hoping I could do something like:
>
> <display:column sortable="true"
> property="receivedDate">${a:friendlyDate(message.receivedDate)}</display:c
> olumn>
>
> And it would use the defined property internally (for sorting and
> such) and display the body of the tag, but that doesn't seem to be the
> case. Is there any way to make this happen? Thanks.
> (*Chris*)
>
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