[ http://mc4j.org/jira/browse/STS-337?page=comments#action_10602 ]
Ben Gunter commented on STS-337:
--------------------------------
It took me forever to nail down the circumstances that cause this. This happens
when a JSP displays a text field with the percentage format, submits the value
to an ActionBean and that ActionBean redirects back to the same JSP, flashing
itself. The problem is that formatting a value as a percentage requires
multiplying it by 100. When the value is submitted back into the bean, it is
the multiplied value that gets submitted. Then when that value is formatted, it
is multiplied by 100 again.
In order for Stripes to handle this automatically, it would have to know that
the value being submitted was formatted as a percentage when it was rendered. I
don't think that's really plausible. If I'm wrong about that, somebody let me
know.
This can be handled in the app by providing a setter method that handles the
division, like so:
public double getValue() { return value; }
public void setValue(double value) { this.value = value; }
public double getValuePct() { return value; }
public void setValuePct(double value) { setValue(value / 100) ; }
Not pretty, but it works.
> Text field with formatType="percentage" multiplies its value on each reload
> ----------------------------------------------------------------------------
>
> Key: STS-337
> URL: http://mc4j.org/jira/browse/STS-337
> Project: Stripes
> Issue Type: Bug
> Components: Formatting
> Affects Versions: Release 1.4.2
> Reporter: Werner Kolov
> Assigned To: Tim Fennell
> Priority: Minor
>
> Example from bugzooky:
> <td><stripes:text name="bug.percentComplete" formatType="percentage"/></td>
> In this case a value 0.30 is displayed as "30%" and committed as 30.0 - so on
> the next reload you get "3000%" and so on.
> By the way: I've found this example in the example source code, but not in
> the running application deployed from the provided WAR file.
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