The latest version of displaytag supports a sortPropery setting. This allows
you to display a nicely formatted value but sort on the underlying data.
Column decorators are very rarely required now.
For example:
<display:table id="currentRow" ...>
<display:column sortProperty="someNumber" ...>
<fmt:formatNumber value="${currentRow.someNumber}"
type="currency"/>
</display:column>
</display:table>
Paul
> -----Original Message-----
> From: Barnett, Brian W. [mailto:[EMAIL PROTECTED]
> Sent: 07 January 2005 02:00
> To: 'Andy Engle '; 'user@struts.apache.org '
> Subject: RE: Displaytag, number formatting, and sorting
>
>
> Use a column decorator.
>
> <display:column property="commissionAmount" title="Commission"
> decorator="com.whitesandsolutions.gapay.view.decorator.MoneyDecorator"
> sortable="true"/>
>
> And create your decorator class something like this:
>
> public class MoneyDecorator implements ColumnDecorator {
>
> public MoneyDecorator() {
> super();
> }
>
> public String decorate(Object value) {
> String decoratedValue = "";
> try {
> if(value != null) {
> // Assumes the value is a Double.
> decoratedValue =
> DataFormatter.formatMoney(((Double)value).toString());
> }
> } catch (Exception e) {
> e.printStackTrace();
> decoratedValue = "Format error.";
> }
> return decoratedValue;
> }
>
> }
>
> -----Original Message-----
> From: Andy Engle
> To: user@struts.apache.org
> Sent: 1/6/2005 6:41 PM
> Subject: Displaytag, number formatting, and sorting
>
> Hi all,
>
> I am using displaytag, and I would like to have a sortable column of
> large numbers. I want to format these numbers (they're going to be
> dollar amounts, like 1,400.00, 6.99, and the like), but it
> seems that I
> cannot have the fancy number formatting and have that column sortable
> all at the same time. I either get a sortable column of numbers that
> look like this:
>
> 1400.00
> 33938.39
> 3450984530.83
> .99
>
> ...or a non-sortable column of nicely formatted numbers, like this:
>
> 1,400.00
> 33,938.39
> 3,450,984,530.83
> .99
>
> Has anyone been able to get the number formatting and the sorting to
> work together? If so, please tell me what I'm doing wrong.
> I've tried
> bean:write with a formatKey, html-el:rewrite, and whatever else to no
> avail.
>
> Thank you very much!
>
>
> Andy
>
>
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