http://jakarta.apache.org/tapestry/UsersGuide/validation.html
:(
On 3/30/06, Matt Raible <[EMAIL PROTECTED]> wrote:
>
> Is it possible to hook into the <label> that tapestry writes? Or is
> this what's in the Tacos example? I'd rather add class="required" to
> the FieldLabel component rather than adding <span class="required">
> around a <label>.
>
> Matt
>
> On 3/30/06, Matt Raible <[EMAIL PROTECTED]> wrote:
> > Thanks - that appears to work. However, now I've discovered that
> > validation doesn't work at all. In Tapestry 3.0.3, I was using a
> > custom ValidationDelegate that I found in Tapestry in Action.
> > Unfortunately, it doesn't seem to work in Tapestry 4. I'm setting it
> > in my page-specification using:
> >
> > <bean name="delegate" class="org.appfuse.webapp.action.Validator"/>
> >
> > Is there a different way to set this in 4.0?
> >
> > The other problem I have with this Validator in 4.0 is there's now a
> > nested <label> inside the <label> I'm writing. Is it possible to set
> > the "required" class on the <label> that Tapestry writes?
> >
> > public class Validator extends ValidationDelegate {
> > private static final long serialVersionUID = 6658594142293597652L;
> >
> > public void writeLabelPrefix(IFormComponent component,
> > IMarkupWriter writer, IRequestCycle
> cycle) {
> > writer.begin("label");
> >
> > if (isInError(component)) {
> > writer.attribute("class", "error");
> > } else {
> > writer.attribute("class", "required");
> > }
> >
> > writer.print(" * ");
> > }
> >
> > public void writeLabelSuffix(IFormComponent component,
> > IMarkupWriter writer, IRequestCycle
> cycle) {
> > Locale locale = cycle.getEngine().getLocale();
> > String marker = (locale.equals(Locale.FRENCH)) ? " :" : ":";
> > writer.print(marker);
> > writer.end();
> > }
> >
> > public void writeAttributes(IMarkupWriter writer, IRequestCycle
> cycle,
> > IFormComponent component, IValidator
> > validator) {
> > if (isInError()) {
> > writer.attribute("class", "error");
> > }
> > }
> >
> > public void writeSuffix(IMarkupWriter writer, IRequestCycle cycle,
> > IFormComponent component, IValidator
> validator) {
> > if (isInError(component)) {
> > writer.printRaw(" ");
> > writer.begin("img");
> >
> > String ctxPath = cycle.getInfrastructure().getContextPath();
> > writer.attribute("src", ctxPath +
> "/images/iconWarning.gif");
> > writer.attribute("class", "validationWarning");
> > writer.attribute("alt",
> > cycle.getPage().getMessages().getMessage("icon.warning"));
> > writer.end();
> >
> > writer.printRaw(" ");
> >
> > IFieldTracking tracking = getComponentTracking();
> > IRender render = tracking.getErrorRenderer();
> > String error = "";
> >
> > if (render instanceof RenderString) {
> > error = ((RenderString) render).getString();
> > }
> >
> > writer.begin("span");
> > writer.attribute("class", "fieldError");
> > writer.printRaw(error);
> > writer.end();
> > }
> > }
> > }
> >
> > Thanks,
> >
> > Matt
> >
> >
> >
> > On 3/30/06, Mike Snare <[EMAIL PROTECTED]> wrote:
> > > try replacing
> > >
> > > value="\\d{5}(-\\d{4})?"
> > >
> > > with
> > >
> > > value="literal:\\d{5}(-\\d{4})?"
> > >
> > > See if that works.
> > >
> > > -Mike
> > >
> > > On 3/30/06, Matt Raible <[EMAIL PROTECTED]> wrote:
> > > > This worked in 3.0.3:
> > > >
> > > > <bean name="zipValidator"
> > > > class="org.apache.tapestry.valid.PatternValidator">
> > > > <set name="patternString" value="\\d{5}(-\\d{4})?"/>
> > > > <set name="required" value="true"/>
> > > > <set name="patternNotMatchedMessage" value="message:
> errors.zip"/>
> > > > <set name="clientScriptingEnabled" value="true"/>
> > > > </bean>
> > > >
> > > > But this doesn't work in 4.0:
> > > >
> > > > Unable to read OGNL expression '<parsed OGNL expression>' of
> > > > [EMAIL PROTECTED]: Error initializing property
> > > > patternString of bean 'zipValidator' (of component signup): Unable
> to
> > > > parse OGNL expression '\\d{5}(-\\d{4})?': Malformed OGNL expression:
> > > > \\d{5}(-\\d{4})?
> > > >
> > > > Any idea how to fix this? How did the regular expression syntax
> change?
> > > >
> > > > Thanks,
> > > >
> > > > Matt
> > > >
> > > >
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> > > >
> > >
> >
>
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--
Jesse Kuhnert
Tacos/Tapestry, team member/developer
Open source based consulting work centered around
dojo/tapestry/tacos/hivemind. http://opennotion.com
