from:"Nillehammer"

Hi,
if you have used contributeApplicationDefaults in your AppModule, no.

But you can externalize the values to web.xml by providing context
parameters with appropriate name. The context parameters will be picked up
by tapestry during startup.

So first delete the code in AppModule and then write the paramters into
web.xml. For tapestry.application-version this would be:
context-param
  param-nametapestry.application-version/param-name
  param-valueYORVERSION/param-value
context-param
Now, when you change this value in web.xml a context reload is necessary,
but no redeployment.

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Re: IoC services - can they come from an external jar?

No, that's part of what Tapestry calls distributed configuration You can
define separate modules and pack them into separate jars. If you want them
used in your AppModule yo can do this in two ways:
Either use the @SubModule-annotation telling AppModule, what the other
module's class name is. Or pack a MANIFEST.MF with apropriate entry with
your jar. Tapestry will scan for that and find your module. Here you'll find
more detailed info:
http://tapestry.apache.org/tapestry-ioc-configuration.html

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Re: IoC services - can they come from an external jar?

My No is a bit ambigous ;-)) So: No they don't have to be in the same
jar/Yes, they can come from an external jar

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Re: IoC services - can they come from an external jar?

 Well, my definition of distributed configuration is different: it's the
 ability of more than one module class to contribute configuration for a
 given service.
Granted. And how that works is, what I was trying to explain in my first
reply to the question. I wanted to point out, that this feature goes far
beyond just having services in a different jar. Admiddetly my explanation
was a bit too clumsy or short.

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T5.2.6: Activate called twice

Hi List,

I've never really used onActivate so I did not care about how often it would
be called... up to today. I have a single onActivate(EventContext context)
and corresponding onPassivate in my page class and use the context to load
som data from the db. I suddenly realized that onActivate allways get's
called twice.

The first thing I have done to fix this, was double checking all my
css/js/tml/java files for usage of relative URLs, as suggested by Thiago in
this thread:
http://tapestry.1045711.n5.nabble.com/t5-onActivate-called-twice-td2429079.html#a2429087
Without success

Then I thought some unseen redirects could be the cause. I installed
HTTP-Live Headers plugin in FF5 to observe the HTTP headers. No redirects
sent. CSS-files and images are cached and the only GET-request for the page
ittself is answered with HTTP OK.

Where else could I look?

Thanks in advance

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Re: T5.2.6: Activate called twice

Hi guys,

Thanks for the replies. In fact I had some img tags with no src-attribute as
a placeholder for the designers to deliver their content. I replaced them
now with properly styled divs. Although what was strange, they were on
totally different pages. So I could not imagine them being the reason for
such trouble. And indeed they did not cause the trouble.

In fact my activate method IS just called ONCE. I somehow managed to
misconfigure my logging system in a way that every message gets logged
twice. I was fooled by that. I checked by replacing the log statements with
ordinary System.out.printlns and tadaa everythin works as expected.

Now for the logging configuration... but I wouldn't dare to badger you with
that...

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Re: T5.2.6: Activate called twice

Just for the records:
NEVER do that: log4j.rootCategory=info, A1
That will cause every message to be logged twice. I had managed that by
misconfiguring maven resource filtering...

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Re: t:form cannot be created?

2011-08-05 Thread nillehammer

Hi eray,
thanks for sharing your knowledge. That was an odd error.

Usually one shouldn't be forced to change system language settings for
Tapestry-apps to run. I myself am using a system with a non-Enlish system
language (actually German) too and did not face this problem. Could it be
that Turkish wasn't in the list of supported locales that is configured in
AppModule?

Regards nillehammer

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Re: E-mail validator accepts invalid addresses

2011-08-04 Thread nillehammer

Hi Stephan,


Stephan Windmüller wrote:
 
 So it seems that only InternetAddress has a bug.
 
Did you use the parse-methods/constructors with the boolean parameter
strict set to true?  And in fact , are allowed in so called
route-addresses (what ever that may be).


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Re: Specifying several event constants for the @OnEvent annotation?

2011-08-02 Thread nillehammer

You could implement one method that is called by your two event handlers.
E.g.

@OnEvent(EventConstants.ACTIVATE)
final void callEventHandlerFromActivate() {
 this.doTheWork();
}

@OnEvent(yourAjaxEvent)
final void callEventHandlerFromMyAjaxEvent() {
 this.doTheWork();
}

private final void doTheWork() {
...
}


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Re: t:form cannot be created?

2011-08-02 Thread nillehammer

Look around line 90 in your AppModule
(com.packtpub.services.AppModule$1.service(AppModule.java:90)) and see, if
you can get a clue. If not, please post your AppModule's code and we'll see,
if we can find an error.

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Checkout of tapestry-project not working

2011-07-30 Thread nillehammer

I have been trying to checkout the Tapestry sources for some days now.
Haven't succeeded.
I have followed the instructions given here:
http://tapestry.apache.org/community.html
Namely using this command: svn checkout
https://svn.apache.org/repos/asf/tapestry/tapestry5/trunk tapestry-project
After waiting for a long time i get the following error on the command line:
svn: OPTIONS von
»https://svn.apache.org/repos/asf/tapestry/tapestry5/trunk«: Konnte keine
Verbindung zum Server herstellen (https://svn.apache.org)
Which is tranlated svn: OPTIONS of
»https://svn.apache.org/repos/asf/tapestry/tapestry5/trunk«: Could not
establish connection to server (https://svn.apache.org)

Same result when I try it with Eclipse's svn plugin.

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Re: Checkout of tapestry-project not working

2011-07-30 Thread nillehammer

Just for the records, the error I get in Eclipse is:
svn: OPTIONS request failed on '/repos/asf/tapestry/tapestry5' 
connect timed out

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Re: Checkout of tapestry-project not working

2011-07-30 Thread nillehammer

Hi Dragan,

thanks for checking and confirmation that the url was correct. Indeed it was
my fault. I am using my laptop in many different environments and forgot to
apply correct proxy settings.

Regards nillehammer

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Re: onActivate doubt

2011-07-29 Thread nillehammer

You can have more than one onActivate method in a page class. Tapestry
determines, which to call by the parameter count. You can write a catch-all
onActivate. Code looks like this:
Object onActivate(EventContext context) {
  
}
If this is the only onActivate-method in the page it will always be called.
(Or even if there are others, haven't tried that out.)
But I think you  might have another problem, because it is not clear to me
how your login page can be displayed, when the url for idnex
(http://localhost:8080/MyAppName/) is called.

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Re: Tapestry Forum

2011-07-28 Thread nillehammer


Paul Stanton-2 wrote:
 
 Personally I think forums are a more usable medium that mailing lists 
 for a number of reasons. eg:
 * It is easier for new users to ask their first question
 * You can 'decorate' your messages (code blocks, quotes etc) making them 
 more legible.
 * Posts are better categorised
 * You can ignore traffic until you are ready to read it
 
 I think many new tapestry users are uncomfortable with joining a mailing 
 list and therefore don't get the help they need to get up and running.
 
 You don't have to agree...
 
 Paul.
 
Paul, I'm afraid I don't agree. You're right mentioning the lack of comfort
when using the mailing list purely just with an email client. But in my
opinion nabble makes using this list as easy as a web forum. I myself use it
to read and post messages. I only check my mail account from time to time to
*delete* the mails.

So I think we have everything that is needed already. But on the other hand,
the internet is free you always gotta try new things. I wish you the best.
Let's see what comes out.

Cheers nillehammer

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Re: Triggered event check on page

2011-07-28 Thread nillehammer

It sounds like this could be achieved by providing two event handlers, one
for each button code could look like:
@OnEvent(value=firstEventLink'sEventValue)
final void/Class/Block/Object displaySpecialValue(final MarkupWriter writer)
{
.
}

@OnEvent(value=secondEventLink'sEventValue)
final void/Class/Block/Object displayAnotherSpecialValue(final MarkupWriter
writer) {
.
}

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Re: Issue with tapestry tutorial


AHennion wrote:
 
 I have this jar in my classpath:
 -tapestry-hibernate-core-5.2.5
 -hibernate-core-3.6.0.final.jar
 -hibernate-common-annotations-3.2.0.final.jar
 -hibernate-jpa-2.0-api-1.0.0.jar
 -hibernate-c3p0-3.6.0.jar
 
 It's not normal?
 
That looks good. Second question, Do you have a security manager enabled,
that prevents Javassist from accessing those jars. I had a similar error,
after I introduces a security manager.


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Re: Form using both a zone and no zone.

George Christman wrote:

Nillehammer, I don't mind. I've been an interface designer for years, so
moving to the backend I'm rather green. I am very confused with how to use
annotations in my situation, so I'm going to post a snippet of my code and
hopefully you guys will be able to help clarify this for me.

You'll soon discover that the real hard work is needed in the frontend.
Programming the backend is quite a lazy job compared to that. (Don't take
this 100% serious ;-)) ).

George Christman wrote:

I am very confused with how to use annotations in my situation, so I'm
going to post a snippet of my code and hopefully you guys will be able to
help clarify this for me.

Thiago has already provided the code. This just for clarification.

For every event caused by user action (like clicking a link, submitting a
form) and for a lot of events trigered by components (like form's failure or
success) that you want get handeled you use the Annotation @OnEvent. To
narrow down the events you actually want to get handeled you use a) the
event type (the annotation's value-attribute) and b) the event source's name
(the annotation's component-attribute).

You'll find those in the names of your event handler methods too, e.g.
on*Selected*From*Update*.
So selected is the event type and update is the event source's name.

For events that are widely used around applications Tapestry provides a
constants class EventConstants. This should be your first stop. Browse the
constants to get an overwiew of the several events that are triggered. A
second stop would be Tapestry's component reference. You'll find a detailed
explanation of which events are triggered when by each component. Each event
gives you the possibility to hook in by providing a handler.

And if that isn't enough, you can even trigger events of your choice
yourself!

Hope this was helpfull.

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Re: Saving using form zone


George Christman wrote:
 
 Prior to converting my form to use a zone update, I use to save the form
 to the session then reload the update page with previous session data,
 however when using the zone update, it no longer redirects to the update
 page.
 
A Zone is used to only update its content. I think in your case, where you
always want to forward to a new page (the update page) using a zone is
wrong.


George Christman wrote:
 
 Issues, when saving form with zone update 
 
 First I found it reruns all methods and creates a new object which causes
 a loss of all previous SSO data. 
 
 I then surrounded create new object line with a boolean that was set to
 false from onSuccess which resolved issue with save, however if you
 accidentally refreshed browser, all data was lost. 
 
 Lastly I attempted to persist the boolean and the result of that was the
 loss ability to actually generate a new object when coming to the create
 page from existing list page. 
 
I haven't fully understood the behavior you're describing, but I think
somewhere in your code (maybe activate of page?) you initialize the object.
This code is accidentially called after the zone update or when hitting the
refresh button. What is the source code of objectState and how do you
integrate that into your page/component?


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Re: Saving using form zone

Hi George,

I' move 
@SessionState
private ObjectState objectState; 
away from Component.class and make it a field of both of your page classes.
You're using a SSO anyway so there's no point in fumbeling around with
acrivation contexts.

And this looks a bit awfull
void setupRender() {
 if((objectState.getObject() == null) || (object  != null  !object
.getId().equals(objectState.getObjectt().getId( {
   objectState.setObject(object);
}

I'd rewrite that to (Hope I got it correct):
void setupRender() {
  if this.object == null {
return;
  }
  
  final YourObjetType stateValue = this.objectState.getObject();
  if (stateValue == null {
this.objectState.setObject(this.object);
return;
  }

  if (! stateValue.getId().equals(tihs.object.getId()) {
this.objectState.setObject(this.object);
  }
}



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Re: Saving using form zone

If you need ObjectState in your component, use @Parameter. Forgot to mention
that in my earlier post.

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Re: simple chenillekit button question - label doesn't show up

html-Buttons display whatever is between opening and closing tag. So just
place the text you want displayed between opening and closing tag in your
tml.


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Re: simple chenillekit button question - label doesn't show up

button t:type=ck/button class=medium white button t:id=testBuild
t:event=click
   ${message:button.testBuild}
/button

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Re: Issue with tapestry tutorial

Do you have the hibernate jars in your class path?

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Re: Form using both a zone and no zone.


Thiago H. de Paula Figueiredo wrote:
 
 By the way, any event in Tapestry can be handled by using an annotation in  
 the method instead of relying on naming conventions. It's your choice. :)
 
That cannot be repeated often enough. I think it is better style to use a
name that explains, what is realy done in the method rather than that it is
jus an event handler.

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Re: Form using both a zone and no zone.


Dragan Sahpaski  wrote:
 
 Interesting,
 As I never had used annotations for event handlers in any project so far.
 I choose the name of the event to imply what is needed to be done in the
 method, which I prefer to keep it as short as possible (3-4 lines of  
  code, rarely any more).
 
Same with me. My methods also mostly contain no more than a few lines. But
to get to know, what is done, one would have to read the source code and
hopefully understand it. 

To give you simple example:
Imagine someone would have to read your code (perhaps even you in 6 monts)
trying to figure out what's going on. First aproach event handler with
naming convention:

final ClassSuccess onSuccessFromForm() {
 // Ok, he's handling the succsess event of the form. But what's he doing?

  this.dao.save(this.entity);
  // Ah, he has saved an entity using a dao.

  return Success.class;
  // He returns a Success.class. Hmm, why is he doing that? 
  // ... read Tapestry documentation... come back here
  // Ok, Success.class is in the pages subpackage and returning classes
 // from there means to forward to the particular page.
}

Now Annotation aproach with meaningfull name:
@OnEvent(value=success, component=form)
final ClassSuccess storeEntityAndForwardToSuccess() {
  // Ok, got it he saves an entity and forwards to Success.
  // I'm not interested in HOW he does it and am glad not to have
  // to read any further.
 
  this.dao.save(this.entity);
  return Success.class;
}

I know this example may be a bit over simplified, but I hove you got my
point.

Lastly I want to apologize to George for stealing his thread. I am glad to
discuss code styling matters, but perhaps we should open a new thread for
that.

Cheers nillehammer




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Re: Call for translations

Hi Igor,

I have just checked the German translations in the properties you mentioned
and they as far as correctness of translation is concerned look ok to me.
Anyway translating to German wouldn't really have helped you, as you speak
German yourself. ;-))

Apart from that I generally consider the messages a bit too
programmer-centric. I dout that an ordinary user is comfortable with a
message saing e.g. Date value 'xxx' is not parseable (German: Datumswert
'xxx' kann nicht geparst werden.). At least in Germany no one except
programmers knows what parsing is. A better alternative would be Value
'xxx' is not a valid date (German: 'xxx' ist kein gültiger Datumswert).
If you agree, I will be glad to help you in improving this.

Cheers nillehammer

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Re: How to set 'parameters' on EventLink?

Hi stephanos2k,

A parameter with just test does not make any sense. Url parameters are
name/value pairs with equals sign, e.g. ...id=1sortOrder=asc. That's why
taprestry expects a map. In the component/page class, where you want to use
the parameters provide a Map as a property and use that in the
parameters-Attribute.

Cheers nillehammer

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Re: Using RadioGroup inside a Grid

Hi Stephan,

afaik it's easy to ovveride the rendering of a single column in Grid, but
it's hard to overide the rendering of a whole row. You could subclass Grid
and GridRows to get the desired behavior. Anoter option could be to put your
whole radiogroup in just one td and write a mixin that changes the markup in
afterRender to split up the clumn into several tds.

I can recall that Subclassing Grid and GridRow invloves quite an amount of
work and the mixin might look a bit dirty. Perhaps you should refrain from
using Grid and better implement your own component that suits your needs.

Cheers nillehammer

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Re: Error page recipe not working anymore after update to t5.2.6

I think, in the version you updated from there was no index page but still
the start page mechanism.

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Re: Beginner needs help with PageActivationContext and page navigation in Tapestry

Hi Julien,

to call your ModifyJobPosting page from JobPostingsTable page  use a page
link instead of an action link. The template would look like:
t:pagelink t:page=ModifyJobPosting
t:context=jobPostingsmodify/t:pagelink
This makes the method modifyJobPosting redundant.


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Re: Beginner needs help with PageActivationContext and page navigation in Tapestry

Me again, I have a typo in the pagelink (damn copy and paste). The value for
the context parameter must be jobPosting of course. 

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Re: Error page recipe not working anymore after update to t5.2.6

2011-07-20 Thread nillehammer

Hi Pieter,

I think, what happens is that Tapestry handles the name of the non-existent
page as activation context to the page that is actually displayed (probably
your Index-Page).

or do i have to change something? 
In a single page you could implement onActivate(String context) and redirect
to 404 yourself. If this botheres you on several pages you could implement a
Filter or Dispatcher.

Cheers nillehammer

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Re: Stylesheet in layout component causes my tests to fail...

2011-07-20 Thread nillehammer

Hi Julien,

 @Import(stylesheet = context:/style/style.css) 
That's a typo leave out the leading slash after the colon, i.e.
context:style/style.css

Regards nillehammer

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Re: Avoiding validate event after canceled from BeanEditForm

2011-07-20 Thread nillehammer

Hi Matias,

you could call ValidationTracker.clear in your onCancel method. The
ValidationTracker is pushed onto the Environment by the Form. You'll get by
adding @Environmental private ValidationTracker tracker; to your
page-/component class.

Regards nillehammer

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Re: mvn package - exclude lib folder?

2011-07-18 Thread nillehammer

For the dependency you want exluded use scopeprovided/scope See the
servlet-api dependency in you pom.xml for an example

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Re: Free J2ee hosting

2011-07-14 Thread nillehammer

Hi Taha,

I am running a virtual root server to host my own T5 based site. I you want,
I can supply you with your own Tomcat 6 instance with 100MB heap.

Just send me a mail to my maillist account.

Cheers nillehammer

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Re: Prevent a page from generating any javascript or css.

2011-07-13 Thread nillehammer


Hi Bo Gao

In fact I want to load a page using ajax, but the page returned contains
many javascript files like 
/assets/0.1.0/core/scriptaculous_1_8_2/prototype.js?_=1310547743256
This increase many requests.
And these javascript may be already loaded. I just want to remove these.
That is not really an issue. You're right that the requests are made 
everytime by the browser. But as js-Files are cached, the 
request/response is different the second time. The first time your 
browser requests a js-File, the Server will deliver it with a HTTP/1.1 
200 OK . Now the js-File is cached by your browser. The second time you 
do a request, the browser does not ask dumbly for the same file again 
but asks the server, if a newer version exists by sending a 
If-Modified-Since: header with the request. This is answered with a 
HTTP/1.1 304 Not Modified . So js-Files only go over the wire the 
first time they are requested. Later it's just checking, if they have 
been modified. This rule applies to all assets (css, gifs etc.).


Regards nillehammer

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Re: how to use asset from component library in template?

2011-07-11 Thread nillehammer


Hi stephanos2k,

By the way, the stylesheet in my library references some images
[background-image: /images/error.png], what's the best way to make this
work when using the library?
CSS files are assets that are not parsed like templates. So dynamic 
insertion of asset paths won't work here. To make background-image urls 
work with assets either put them into a style-addribute in the 
particular element or use a style.../style section in your 
template(s). I myself use the latter and have put everything together in 
my layout component.


Regards, nillehammer

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Re: Special Character in attribute.

2011-07-06 Thread Nillehammer


Hello Juan,
this was tricky! The String parameter for  RenderSupport.addScript(...) 
somewhere deep in the code is passed to String.format(...). In 
String.format(...) the percent sign indicates a conversion. %, is no 
valid conversion, hence the Exception. To get rid of that error you have 
to mask the %. This is done by doubling it up (i.e. %%). I have 
rewritten your Mixins java class and it works.



import org.apache.tapestry5.BindingConstants;
import org.apache.tapestry5.ClientElement;
import org.apache.tapestry5.RenderSupport;
import org.apache.tapestry5.annotations.AfterRenderBody;
import org.apache.tapestry5.annotations.InjectContainer;
import org.apache.tapestry5.annotations.Parameter;
import org.apache.tapestry5.ioc.annotations.Inject;
import org.apache.tapestry5.services.javascript.JavaScriptSupport;

public class ModalPage {

/**
 * Added this for the code to compile.
 */
@InjectContainer
private ClientElement element;

/**
 * DEPRECATED, better use {@link JavaScriptSupport}.
 */
@Inject
private RenderSupport renderSupport;

@Parameter(value = null, defaultPrefix = BindingConstants.LITERAL)
private String boxParams;

@AfterRenderBody
public void afterRenderTemplateLink() {

String comando = String.format(new ModalPage(' + 
element.getClientId()
+ ',  + 
braceWithQuotes(this.doubleUpPercentInBoxParams()) + ););


renderSupport.addScript(comando);
}

/**
 * {@link RenderSupport#addScript(String)} passes the string 
argument to
 * {@link String#format(String, Object...)}. This causes trouble, 
if string
 * contains % as this is misinterpreted as a format conversion. 
We need to

 * mask it. In String format this is done with %%.
 *
 * @return
 */
private String doubleUpPercentInBoxParams() {

return this.boxParams.replaceAll(%, %%);
}

private String braceWithQuotes(String value ) {
return value.equals(null) ? value : ' + value + ';
}

}

Am 06.07.2011 17:34, schrieb Juan Alba:

sorry guys, de error shown is this one, not the one sent before:

org.apache.tapestry5.internal.services.RenderQueueException
Render queue error in AfterRenderBody[proxy/menu/EndPoint:showendpointlink]:
Conversion = o, Flags = ,



On Wed, Jul 6, 2011 at 12:17 PM, Juan Albajuan.a...@condortech.com.arwrote:


Hi,

Thanks for the help Nillehammer, here is the code:

/*JAVA*/
public class ModalPage {

@Parameter(value=null, defaultPrefix = BindingConstants.LITERAL)
 private String boxParams;

 @AfterRenderBody
 public void afterRenderTemplateLink() {

String comando = String.format(new ModalPage('
  + element.getClientId() + ',  + braceWithQuotes(boxParams) + ););

 renderSupport.addScript(comando);
 }

private String braceWithQuotes(String value) {
return value.equals(null) ? value : '+value+';
  }

}


/*TML*/

div class=row
t:actionLink t:id=myLink id=myLink title=${message:listendpoint}
  t:mixins=condorTapestryLib/ModalPage
t:boxParams=width:50%,opacity:0.7,escKey:true,overlayClose:false

  ${message:endpoints}
/t:actionLink
/div



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Re: Special Character in attribute.

2011-07-06 Thread Nillehammer


Hi Juan,

thanks for providing the code. I have implemented it (with some slight 
changes to get it to compile) and now I see the same error as you. I 
haven't found a solution yet. I will come back, when I have found one 
(hopefully ;-)).


Cheers nillehammer

Am 06.07.2011 17:34, schrieb Juan Alba:

sorry guys, de error shown is this one, not the one sent before:

org.apache.tapestry5.internal.services.RenderQueueException
Render queue error in AfterRenderBody[proxy/menu/EndPoint:showendpointlink]:
Conversion = o, Flags = ,



On Wed, Jul 6, 2011 at 12:17 PM, Juan Albajuan.a...@condortech.com.arwrote:


Hi,

Thanks for the help Nillehammer, here is the code:

/*JAVA*/
public class ModalPage {

@Parameter(value=null, defaultPrefix = BindingConstants.LITERAL)
 private String boxParams;

 @AfterRenderBody
 public void afterRenderTemplateLink() {

String comando = String.format(new ModalPage('
  + element.getClientId() + ',  + braceWithQuotes(boxParams) + ););

 renderSupport.addScript(comando);
 }

private String braceWithQuotes(String value) {
return value.equals(null) ? value : '+value+';
  }

}


/*TML*/

div class=row
t:actionLink t:id=myLink id=myLink title=${message:listendpoint}
  t:mixins=condorTapestryLib/ModalPage
t:boxParams=width:50%,opacity:0.7,escKey:true,overlayClose:false

  ${message:endpoints}
/t:actionLink
/div


Error:

java.lang.LinkageError
loader constraint violation: when resolving method
ar.com.condortech.lib.condorTapestryLib.utils.NavigationObject.getCurrentPage()Lar/com/condortech/lib/condorTapestryLib/pages/AbstractPage;
the class loader (instance of
org/apache/tapestry5/internal/services/ComponentInstantiatorSourceImpl$PackageAwareLoader)
of the current class,
ar/com/condortech/lib/condorTapestryLib/pages/AbstractPage, and the class
loader (instance of org/eclipse/jetty/webapp/WebAppClassLoader) for resolved
class, ar/com/condortech/lib/condorTapestryLib/utils/NavigationObject, have
different Class objects for the type
ar/com/condortech/lib/condorTapestryLib/pages/AbstractPage used in the
signature

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Re: Special Character in attribute.

2011-07-04 Thread Nillehammer


Hi kado,


 Also I don't think that the problem is the word width because when I send
 width:800px, it works fine. The problem is when I try sending the width or
 height in % instead of px


I have tried to reproduce your error using a String parameter in a 
component that generates an a href=...?boxparams=width:80%, 
height100%, opacity (with % and spaces). I did not get any error. 
Could you please post the java code and tml of your mixin for further 
investigation.


Cheers nillehammer

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Re: Special Character in attribute.

2011-07-01 Thread Nillehammer


Hi Juan,

Should I have to treat the % as a special character?
I don't think the % is the problem. I think that Tapestry confused by 
the String starting with width: Tapestry uses the first part of a 
parameter before the : as a binding prefix. And width is not a valid 
binding prefix. As a fix i recommend either of the following:
-Supply the parameter with a valid binding prefix, e.g. 
literal:width:80%,height:80% ,opacity:0.7

-Split up the parameter into three (width, height, opacity).
Cheers nillehammer

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Want locale to be part of every uri

2011-06-30 Thread Nillehammer


Hi List,

if Tapestry recieves a request that does not contain the locale at the 
beginning of the uri, it will determine the desired locale from the 
request headers and send the respond. The PersistentLocale will not be set.


In that case I want to set the PersistentLocale and send a redirect to 
the client to ensure the locale is allways part of every uri. My first 
idea was to implement a RequestFilter. But it turned out, even if the 
uri contained the locale, the PersistentLocale was not set (yet). Same 
with Dispatchers.


I dug into Tapestry's source code and found out that PersistentLocale is 
set in ComponentEventLinkEncoder's decode methods. From that I judged I 
would only have access to PersistentLocale from within pages or components.


So I implemented an abstract BasePage that checks PersistentLocale.isSet 
in its onActivate method and sends the redirect, if necessary. All my 
pages inherit from BasePage,


Now I am wondering, if there is a smarter approach?

Thanks in advance,
nillehammer

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Re: Want locale to be part of every uri

2011-06-30 Thread Nillehammer


Hi Thiago,
I'd write a RequestFilter that invokes 
ComponentEvenLinkEncoder.decodePageRenderRequest() and 
ComponentEvenLinkEncoder.decodeComponentEventRequest() and after that 
check the PersistentLocale. :)
That's what I had already tried before asking: 
ComponentEvenLinkEncoder.decodeComponentEventRequest()

PersistentLocale was still null, even if present in the uri.

That's what I have tried after your answer: 
ComponentEvenLinkEncoder.decodePageRenderRequest()
And tadaaa! The PersistentLocale was set! (Bang my head on the keyboard 
for not having tried earlier)


I was about to implement a RequestFilter as you suggested. But meanwhile 
Howard has answered my question suggesting a ComponentRequestFilter. 
Will try that out and post my code, when done.


Thanks so far.
nillehammer

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Re: Want locale to be part of every uri

2011-06-30 Thread Nillehammer


Hi Thiago,
I've never tried a ComponentRequestFilter for doing things that 
involved redirection, as they are invoked way later in the Tapestry 
processing pipeline. Please post if it works. ;)
It turned out that ComponentRequestFilter has several advandatages over 
RequestFilter:
1.) If a locale is present in the uri, the PersistentLocale is set. No 
workaround using ComponentEventLinkEncoder's decodeXXX methods needed.
2.) The ThreadLocale already contains a supported locale that can be 
safely used to set the PersistentLocale. In RequestFilter the 
ThreadLocale is still the raw one taken from the request. Which might 
not be in supported-locales.
3.) The methods handlePageRender(...) and handleComponentEvent(...) are 
a directer way of distiguishing between the two types. In 
RequestFilter.service(...) you would have to distinguish them on your 
own by decoding the request with ComponentEventLinkEncoder.
4.) In handleComponentEvent you only have to set the persistent locale. 
Tapestry generates redirects for component events anyway. So you don't 
need to bother.


The only (slightly) hard part is building a redirect mechanism in 
handlePageRender(...). I surfed through Tapestry's source code and found 
out that PageRenderRequestHandlerImpl uses a 
ComponentEventResultProcessor for that purpose. I have done that too.


Thanks to you and Howard for helping. And speeking of locales. Its 
almost 03:00 am local time now. I really need to go to bed. My boss is 
gonna kill me, if I oversleep (again).

Cheers, nillehammer

P.S. The code:
PersistentLocaleFilter.java:
/**
 * Checks, if persistent locale is set. If not will do so and send 
redirect, if

 * necessary.
 */
final class PersistentLocaleFilter implements ComponentRequestFilter {

/**
 * Used to set the persistent locale (that's what this filter is 
all about).

 */
private final PersistentLocale persistentLocale;

/**
 * Used to determine current locale, if persistent locale is not set.
 */
private final ThreadLocale threadLocale;

/**
 * Used to generate a page render link in
 * {@link #handlePageRender(PageRenderRequestParameters, 
ComponentRequestHandler)}

 * .
 */
private final ComponentEventLinkEncoder componentEventLinkEncoder;

/**
 * Used to add request parameters to the page render link.
 */
private final Request request;

/**
 * Used to process the page render link as a redirect.
 */
private final ComponentEventResultProcessorLink 
componentEventResultProcessor;


/**
 * Constructor injecting all dependencies.
 *
 * @param persistentLocale
 * @param threadLocale
 * @param componentEventLinkEncoder
 * @param request
 * @param componentEventResultProcessor
 */
PersistentLocaleFilter(final PersistentLocale persistentLocale,
final ThreadLocale threadLocale,
final ComponentEventLinkEncoder componentEventLinkEncoder,
final Request request,
final ComponentEventResultProcessorLink 
componentEventResultProcessor) {


this.persistentLocale = persistentLocale;

this.threadLocale = threadLocale;

this.componentEventLinkEncoder = componentEventLinkEncoder;

this.request = request;

this.componentEventResultProcessor = componentEventResultProcessor;
}

/**
 * Sets persistent locale if necessary and hands over to the rest 
of the
 * chain. Tapestry is generating redirects for component events 
anyway, so we

 * do not need to do that.
 */
@Override
public final void handleComponentEvent(
final ComponentEventRequestParameters parameters,
final ComponentRequestHandler handler ) throws IOException {

setPersistentLocaleIfNecessary();

handler.handleComponentEvent(parameters);
}

/**
 * Sets persistent locale if necessary and creates a page render 
link to

 * redirect to.
 */
@Override
public final void handlePageRender(
final PageRenderRequestParameters parameters,
final ComponentRequestHandler handler ) throws IOException {

if (setPersistentLocaleIfNecessary()) {

final Link pageRedirectLink = this.componentEventLinkEncoder
.createPageRenderLink(parameters);

/*
 * pageRedirectLink lacks possible request parameters. We 
add them
 * manually. Anchor needs not be added. It stays in the 
address bar by

 * some magic I don't understand.
 */
for (final String paramName : 
this.request.getParameterNames()) {


pageRedirectLink.addParameter(paramName,
this.request.getParameter(paramName));
}


this.componentEventResultProcessor.processResultValue(pageRedirectLink);


return;
}

handler.handlePageRender(parameters

Re: T5: How to use context-param or init-param from web.xml in contributeApplicationDefaults?

2011-06-18 Thread Nillehammer


Hi Martin,

sorry for late reply. I was busy the last two days. I have tried the 
solution you suggested and indeed it just works. That was realy easy! 
Not having found the solution myself after digging into the sources, I 
have to admit that I'm feeling a bit stupid now.


Thanks a lot, for your solution (and for making me feel stupid),
nillehammer

Am 17.06.2011 01:41, schrieb Martin Strand:
ApplicationDefaults is only one of many SymbolProviders, you don't 
need to configure that specific SymbolProvider to set the supported 
locales.
There are other options, including support for .properties files or 
system properties.



I prefer context parameters myself, everything should just work if 
you add it to web.xml like so:


context-param
param-nametapestry.supported-locales/param-name
param-valueen,de/param-value
/context-param

The ServletContextSymbolProvider will handle the rest for you.
I'm sure you're already doing this for other symbols, at least 
tapestry.app-package :)



On Fri, 17 Jun 2011 00:28:17 +0200, Nillehammer 
tapestry.nilleham...@winfonet.eu wrote:



Hi List,

I would like to replace the constant Strings in the method 
contributeApplicationDefaults in my AppModule. E.g. replace the 
following line:


configuration.add(SymbolConstants.SUPPORTED_LOCALES, en,de); // 
don't like the en,de here. Would like to replace it.


with something configurable in  a text file. I thought providing the 
values in web.xml either as context-param or as init-param for the 
TapestryFilter was a good idea.


My first try was to inject the Context service as additional 
parameter to the contribution method to get access to the 
context-params. That did not work. The parameter is null and Tapestry 
throws an exception. Same with ApplicationGlobals.


I then browsed through Tapestry's source code and found out that I 
could implement my own filter inheriting from 
org.apache.tapestry5.TapestryFilter. So my next try was to do that 
and override the method protected void init(Registry registry ). My 
hope was to be able to do something sensible with the 
javax.servlet.FilterConfig that is returned by getFilter(). But I 
have no clue, what to do.


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T5: How to use context-param or init-param from web.xml in contributeApplicationDefaults?

2011-06-16 Thread Nillehammer


Hi List,

I would like to replace the constant Strings in the method 
contributeApplicationDefaults in my AppModule. E.g. replace the 
following line:


configuration.add(SymbolConstants.SUPPORTED_LOCALES, en,de); // don't 
like the en,de here. Would like to replace it.


with something configurable in  a text file. I thought providing the 
values in web.xml either as context-param or as init-param for the 
TapestryFilter was a good idea.


My first try was to inject the Context service as additional parameter 
to the contribution method to get access to the context-params. That did 
not work. The parameter is null and Tapestry throws an exception. Same 
with ApplicationGlobals.


I then browsed through Tapestry's source code and found out that I could 
implement my own filter inheriting from 
org.apache.tapestry5.TapestryFilter. So my next try was to do that and 
override the method protected void init(Registry registry ). My hope 
was to be able to do something sensible with the 
javax.servlet.FilterConfig that is returned by getFilter(). But I have 
no clue, what to do.


Does someone have an idea what to do?

Thanks in advance,
nillehammer

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Re: T5: How to use context-param or init-param from web.xml in contributeApplicationDefaults?

2011-06-16 Thread Nillehammer

Yeah, a possible way to go. But I'd like a more persistent solution 
hence the idea of using params in web.xml


Am 17.06.2011 00:36, schrieb Lenny Primak:

I use system properties.



On Jun 16, 2011, at 6:28 PM, Nillehammertapestry.nilleham...@winfonet.eu  
wrote:


Hi List,

I would like to replace the constant Strings in the method 
contributeApplicationDefaults in my AppModule. E.g. replace the following 
line:

configuration.add(SymbolConstants.SUPPORTED_LOCALES, en,de); // don't like the 
en,de here. Would like to replace it.

with something configurable in  a text file. I thought providing the values in 
web.xml either as context-param or as init-param for the TapestryFilter was a 
good idea.

My first try was to inject the Context service as additional parameter to the 
contribution method to get access to the context-params. That did not work. The 
parameter is null and Tapestry throws an exception. Same with 
ApplicationGlobals.

I then browsed through Tapestry's source code and found out that I could implement my own 
filter inheriting from org.apache.tapestry5.TapestryFilter. So my next try was to do that 
and override the method protected void init(Registry registry ). My hope was 
to be able to do something sensible with the javax.servlet.FilterConfig that is returned 
by getFilter(). But I have no clue, what to do.

Does someone have an idea what to do?

Thanks in advance,
nillehammer

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Re: onPrepare(Integer id)

2011-06-13 Thread Nillehammer


Hi Tony,

 t:form t:id=editOfficeForm t:context=officeId
Given this line in your template, Tapestry will just append nothing to 
the url, if officeId is null. This means the context is simply not 
there. When processing the post request, the correct signature for an 
eventhanlder wit no context would be one with no parameters i.e. 
onPrepare(). This method should be called, if officeId is null.


As having multple eventHandlers for basically the same event just 
because of different amount of parameters may clutter the code, I 
suggest implementing just a single one with 
org.apache.tapestry5.EventContext as parameter.


Cheers, nillehammer


Am 13.06.2011 17:54, schrieb Tony Nelson:

I'm trying to create a simple form that will work for both Add and Edit.  I'm 
trying to use onPrepare to setup the database object and the code works fine 
for an existing object.  When I try to use the form with a new object (id = 
null) it appears that onPrepare isn't called, so I end up with null pointer 
exceptions trying to build the form.

Here is my simple controller:

package com.starpoint.helpdesk.pages.office;

import com.starpoint.helpdesk.business.OfficeLogic;
import com.starpoint.helpdesk.domain.Office;
import com.sun.istack.internal.Nullable;
import org.apache.tapestry5.annotations.Log;
import org.apache.tapestry5.annotations.Persist;
import org.apache.tapestry5.annotations.Property;
import org.apache.tapestry5.ioc.annotations.Inject;
import org.slf4j.Logger;
t:context=officeId

/**
  */
public class EditOffice {

 @Inject
 private Logger logger;

 @Inject
 private OfficeLogic officeLogic;

 @Persist
 private Integer officeId;

 @Property
 private Office office;

 public Integer getOfficeId() {
 return officeId;
 }

 @Log
 public void setOfficeId(@Nullable Integer officeId) {
 this.officeId = officeId;
 }

 @Log
 void onPrepare(Integer officeId) {
 if (office == null) {
 office = officeId == null ? new Office() : 
officeLogic.getOffice(officeId);
 }
 }
 void onActivate(Integer officeId) {
 this.officeId = officeId;
 }

 Integer onPassivate() {
 return officeId;
 }

 public Object onSuccess() {
 logger.info(**:  + office.toString());
 return this;
 }
}


And my form:

html t:type=layout title=helpdesk Index
   t:sidebarTitle=Current Time
   xmlns:t=http://tapestry.apache.org/schema/tapestry_5_1_0.xsd;
   xmlns:p=tapestry:parameter

t:form t:id=editOfficeForm t:context=officeId
 t:errors/
 table
 tr
 tdt:label for=officeNameOffice Name/t:label/td
 tdt:textfield t:id=officeName 
value=prop:office.officeName/t:textfield/td
 /tr

 tr
 td colspan=2
 t:submit t:id=saveOffice class=buttonSave 
Office/t:submit
 /td
 /tr
 /table

/t:form

/html

What am I missing?
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T5 Bean Validation: How to override the property name in validation message?

2011-06-12 Thread Nillehammer


Hi List,

I have switched from Tapestry's validation API to JSR 303 Bean 
Validation API. I have provided a message catalog in 
ValidationMessages.properties in the default package. It gets loaded and 
the localized error messages are displayed. Only one thing bothers me. 
The messages are prepended by the name of the property being validated. 
E.g. my bean has a property getMsg() that is required. The resulting 
error message would be Msg is required. I'd like to override the Msg 
part with a more sensible value like Message in English or Nachricht 
in German. How could this be achieved? Would I have to provide a custom 
implementation of MessageInterpolator?


I know this question is more related to Bean Validation than to 
Tapestry. But maybe someone on this list has encountered the same 
problem and can provide a solution for this.


Thanks in advance, nillehammer

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Re: T5 Bean Validation: How to override the property name in validation message?

2011-06-12 Thread Nillehammer

Answering my own question. The solution turned out to be VERY easy. The 
validation message ist constructed by Tapestry's BeanFieldValidator. It 
reads the fields label to construct the prefix for the validation 
message. That can be customized by putting a field-id-label into the 
message catalog. In my example, I put msg-label=Message into my 
component's message catalog and now I am satisfied.


Am 12.06.2011 14:39, schrieb Nillehammer:

Hi List,

I have switched from Tapestry's validation API to JSR 303 Bean 
Validation API. I have provided a message catalog in 
ValidationMessages.properties in the default package. It gets loaded 
and the localized error messages are displayed. Only one thing bothers 
me. The messages are prepended by the name of the property being 
validated. E.g. my bean has a property getMsg() that is required. 
The resulting error message would be Msg is required. I'd like to 
override the Msg part with a more sensible value like Message in 
English or Nachricht in German. How could this be achieved? Would I 
have to provide a custom implementation of MessageInterpolator?


I know this question is more related to Bean Validation than to 
Tapestry. But maybe someone on this list has encountered the same 
problem and can provide a solution for this.


Thanks in advance, nillehammer

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[Snippet] T5: A mixin to rewrite the markup of element

2011-06-11 Thread Nillehammer

Tapestry's Submit component renders out as input type=submit. Since 
HTML 4.0 a submit button can be written as button type=submit. I 
prefer this approach, because it makes it easier to distinguish between 
real input elements (especially textfields) and buttons. I have created 
a JIRA request for this: https://issues.apache.org/jira/browse/TAP5-1545

Hopefully it will get implemented in future Tapestry versions.

In the meanwhile I have helped myself out with a mixin that is able to 
change the markup of the element (element name and attributes) it is 
attached to. In case someone else finds this usefull this is the code:


import java.util.Collection;
import java.util.List;

import org.apache.tapestry5.BindingConstants;
import org.apache.tapestry5.MarkupWriter;
import org.apache.tapestry5.annotations.AfterRender;
import org.apache.tapestry5.annotations.BeforeRenderTemplate;
import org.apache.tapestry5.annotations.Parameter;
import org.apache.tapestry5.dom.Attribute;
import org.apache.tapestry5.dom.Element;
import org.apache.tapestry5.dom.Node;

/**
 * Mixin that changes the markup of an element to desired values.
 */
public final class MarkupChanger {

/**
 * The desired new name for the element.
 */
@Parameter(required = true, allowNull = false, defaultPrefix = 
BindingConstants.LITERAL)

private String newElemName;

/**
 * A string containing pairs of attribute names and values 
separated by ,.

 */
@Parameter(allowNull = false, defaultPrefix = BindingConstants.LITERAL)
private String newAttribs;

/**
 * The {@link Element} to change the markup.
 */
private Element originalElem;

/**
 * In this render phase we can easily get the element that this 
mixin is

 * placed into by calling writer.getElement.
 *
 * @param writer
 *  {@link MarkupWriter} injected by Tapestry.
 */
@BeforeRenderTemplate
final void determineOriginalElem(final MarkupWriter writer ) {

this.originalElem = writer.getElement();
}

/**
 * We do all the rewriting of markup in the final phase not to 
interfere with

 * the render phases of the original element.
 *
 * @param writer
 *  {@link MarkupWriter} injected by Tapestry.
 */
@AfterRender
final void changeMarkup(final MarkupWriter writer ) {

// Create a new element with the desired new name.
final Element newElem = writer.element(this.newElemName);

// Add all original attributes to the newly created element.
final CollectionAttribute attribs = 
this.originalElem.getAttributes();


for (final Attribute attrib : attribs) {

newElem.attribute(attrib.getName(), attrib.getValue());
}

// Add new attributes to the new element, possibly overwriting 
original ones.

if (this.newAttribs != null  !this.newAttribs.isEmpty()) {

final String[] attribArr = this.newAttribs.split(,);

// parse null-String to null.
for (int i = 0; i  attribArr.length; i++) {

if (null.equals(attribArr[i])) {

attribArr[i] = null;
}
}

newElem.forceAttributes(attribArr);
}

// Get children from the original element and add them to the 
new one.

final ListNode children = this.originalElem.getChildren();

for (final Node node : children) {

node.moveToBottom(newElem);
}

// End tag for new element.
writer.end();

// Remove the original element from DOM.
this.originalElem.remove();
}
}

Cheers nillehammer

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Re: [bean-edit-form] error with constructor and enum param

2009-04-07 Thread nillehammer

When the BeanEditForm instantiates a new Model instance, it now uses the
same code that instantiates service implementations (and injects
dependencies). By default, Tapestry will find the constructor with the
most parameters for this purpose, and will attempt to match each
parameter to a service. That's why you get the Exception No service
matches...

In this case, you don't want that behavior. You surely want BeanEditForm
to instantiate via the public no-arguments constructor.

By placing an @Inject annotation on the public no-arguments constructor,
you can direct BeanEditForm to use that constructor instead.

Regards, nillehammer

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manuel aldana schrieb:
 I am using BeanEditForm. I get an exception if I have model-class with a
 constructor with an enumeration parameter.
 
 //WORKS
 public class Model{
 public Model(){..}
 }
 
 //WORKS
 public class Model{
 public Model(String s){..}
 }
 
 //CRASHES with error message: No service implements the interface
 foo.bar.MyEnum
 public class Model{
 public Model(MyEnum){..}
 }
 
 public enum MyEnum{...}
 
 
 apart from the constructor problem the bean-edit-form handles the
 enumeration good (gets displayed as combo-box)
 
 am using 5.0.18.
 



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Re: [bean-edit-form] error with constructor and enum param

2009-04-07 Thread nillehammer

Sorry to have messed up the thread. My local clock was wrong

nillehammer schrieb:
 When the BeanEditForm instantiates a new Model instance, it now uses the
 same code that instantiates service implementations (and injects
 dependencies). By default, Tapestry will find the constructor with the
 most parameters for this purpose, and will attempt to match each
 parameter to a service. That's why you get the Exception No service
 matches...
 
 In this case, you don't want that behavior. You surely want BeanEditForm
 to instantiate via the public no-arguments constructor.
 
 By placing an @Inject annotation on the public no-arguments constructor,
 you can direct BeanEditForm to use that constructor instead.
 
 Regards, nillehammer
 

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manuel aldana schrieb:

I am using BeanEditForm. I get an exception if I have model-class with a
constructor with an enumeration parameter.

//WORKS public class Model{ public Model(){..} }

//WORKS public class Model{ public Model(String s){..} }

//CRASHES with error message: No service implements the interface
foo.bar.MyEnum public class Model{ public Model(MyEnum){..} }

public enum MyEnum{...}

apart from the constructor problem the bean-edit-form handles the
enumeration good (gets displayed as combo-box)

am using 5.0.18.

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Re: Implication of client side redirect

2009-03-11 Thread nillehammer

Hi Dave,

I am afraid I disagree with you on this point. Even when validation
fails, redirect after post does make sense. Although you're right that
double submission is not a problem when validation fails. If you respond
directly to a post, the post will get into the browser's history. This
is a problem when the browser's back button is used. This would result
in the ugly dialogue Do you want to send formdata again... popping up.
This can only be avoided by never directly responding to a post-request.

Regards, nillehammer

Dave Greggory schrieb:
 While I highly agree the redirect-after-post pattern is a good practice. It 
 only makes sense in some situations. It makes sense to use it when you're 
 submitting a form and the form submission was successful (ie. Tapestry 
 success event fires). But if validation fails, Tapestry should not be using 
 a redirect to re-show the form with the validation errors. 
 
 When validation fails, it should use the response for the same request for 
 re-showing the form, it should not be sending a 302. I wish there is a way to 
 disable redirects for validation failures only.
 
 
 
 - Original Message 
 From: Robert Zeigler robe...@scazdl.org
 To: Tapestry users users@tapestry.apache.org
 Sent: Wednesday, March 11, 2009 12:34:56 PM
 Subject: Re: Implication of client side redirect
 
 Hi Rajesh,
 
 Tapestry follows the redirect after post principle.  This has a lot of 
 pros (avoiding double submission of forms, for instance), but if you're 
 really concerned about it, there's a configuration option to turn it off.
 
 In org.apache.tapestry5.SymbolConstants:
 
 /**
  * If set to true, then action requests will render a page markup 
 response immediately, rather than sending a
  * redirect to render the response.
  */
 public static final String SUPPRESS_REDIRECT_FROM_ACTION_REQUESTS = 
 tapestry.suppress-redirect-from-action-requests;
 
 
 Cheers,
 
 Robert
 
 11, 2009, at 3/1110:35 AM , rajesh sukumaran wrote:
 
 Hi,

 I am evaluating Tapestry 5.1 to see if I can use it in one of my new 
 projects. I see that Tapestry uses client side redirects to handle response 
 for event requests. Will this not affect the performance of Tapestry 
 applications, especially under high load? Redirects will result in an 
 additional HTTP hit on the  server for every event request that is rendered 
 by a different page. Will this not degrade the responsiveness of the web 
 application as the load increase?

 I would like to know what everyone thinks about this?

 regards,
 Rajesh




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Re: Index Pages, 404s and Redirects

2009-03-11 Thread nillehammer

Hi Geoffrey,

afaik that can only be avoided by the page itsself handling the request.
So you would have to set the 404-code in onActivate
(HttpServletResponse.setStatus) and probably would want to use
Tapestry's Delegate-Component
(http://tapestry.apache.org/tapestry5/tapestry-core/ref/org/apache/tapestry5/corelib/components/Delegate.html)
to show an error message.

Regards, nillehammer

Geoffrey Wiseman schrieb:
I'd like to use an Index page at the root of my Tapestry application (mostly
to get the / URL in links rather than /start), but I'd like to respond to
some of those page requests with a 404.
I've done this using the pattern described on the last a few times by adding
an onActivate(EventContext), which I look at to decide if I want to return
an instance of a PageNotFound page. This results in a redirect, which I
believe is because this is an event handling-method. I like the
redirect-after-post pattern, and most of the time, I'd probably like to keep
that as a default. For this particular page, I don't want to use a redirect
-- in part because I want the original request to 404, in keeping with the
resource-oriented view of HTML. Also, if I make a request for /myNewPage
before it's there, and I then implement it and refresh, I want the resulting
request to be for /myNewPage not /pagenotfound, which it'll be after the
redirect.

So is it possible to avoid the redirect here without disabling
redirect-after-post for the rest of Tapestry.

To be honest, if I could use a start page and get a / link instead of
/start that would also solve my problem for the time being -- although I
like the ability to provide a custom 404 tapestry page that this will give
me.

- Geoffrey

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Re: Implication of client side redirect

2009-03-11 Thread nillehammer

Hi Dave,

your message made me doubt and I immediately tried that out (on IE 6 and
FF 2). I was not able to reproduce, what you were implying. So I still
think that redirect after post solves the problem.

Regards nillehammer

Dave Greggory schrieb:
 Redirect-after-post does not really solve that problem because if you hit 
 Back button twice, you still get the same problem.
 
 
 
 - Original Message 
 From: nillehammer tapestry.nilleham...@winfonet.eu
 To: Tapestry users users@tapestry.apache.org
 Sent: Wednesday, March 11, 2009 7:15:38 PM
 Subject: Re: Implication of client side redirect
 
 Hi Dave,
 
 I am afraid I disagree with you on this point. Even when validation
 fails, redirect after post does make sense. Although you're right that
 double submission is not a problem when validation fails. If you respond
 directly to a post, the post will get into the browser's history. This
 is a problem when the browser's back button is used. This would result
 in the ugly dialogue Do you want to send formdata again... popping up.
 This can only be avoided by never directly responding to a post-request.
 
 Regards, nillehammer
 
 
   
 
 
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Re: no service implements the interface java.util.Date

2009-03-02 Thread nillehammer

Hi ?.
http://tapestry.apache.org/tapestry5/faq/general.html
Cheers, nillehammer
 While I'm using BeanEditForm component from T5.0.18, it throws an
 error says no servicie implements java.util.Date. My code is quite
 simple.
 
 t:beaneditform t:id=celebrity /
 
 and Celebrity is just a POJO which has an constructor like public
 Celebrity(String firstName, String lastName,Date dateOfBirth). I'm a
 newbie and can't find any clue due to the poor documentation of
 Tapestry. Could someone give me a hint or tell me which doc I should
 read. Thanks a lot.
 
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Re: App Block

2009-02-28 Thread nillehammer

Hi Luther,
there is an annotation @DataType(). It is used to annotate
accessors in you Entity. With this you can shortcut the
DataTypeAnalyzer.  names the block to render the Type.
Greetings nillehammer

Luther Baker schrieb:
 Is there a way to 'choose' which render block to use for a particular
 context?
 
 I have created a DISPLAY and an EDIT render block for a GenericSelectModel
 based on a Hibernate table of values.
 
 In one context, a Hibernate entity holds a reference to this entity and
 terms it Parent.
 
 In another context, a Hibernate entity holds a reference to this entity and
 terms it File Cabinet.
 
 I register the type with the AppModule - but is it possible to let the
 component choose which app block to display? Is there another way to use the
 GenericSelectModel with multiple labels?
 
 Thanks,
 
 -Luther
 

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Re: New User int the group

2009-02-04 Thread nillehammer

Hi Gutemberg,
go to the following page: http://tapestry.apache.org/mail-lists.html
There you'll find the email address for subscription
(users-subscr...@tapestry.apache.org). Send a mail to this address.
You'll recieve a confirmation mail. After confirmation you're part of
the game. Be prepared to recieve LOADS of mails, as this list is very
active. It might be a good idea to have an email address just for
recieving mails from the list.
Regards nillehammer

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Gutemberg A. Da Silva schrieb:
 how do I do to add one new user in the tapestry-users group?
 

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Re: Singleton Service behaves like a Per-Thread service

2009-02-04 Thread nillehammer

Hy Toby,
you might be fooled by your own code.
if (domains!=null){
return queries the database;
Should be
if (domains==null){
return queries the database;
Regards, nillehammer

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superoverdr...@gmx.de schrieb:
 Hello everyone!
 
 I am a bit confused. I thought the default service binding is a singleton?
 
 But why do I see a database query every time I load the same page?
 
 public class DomainPropertyService {
 
   private Session session;
   
   private ListDomain domains = null;
   
   
   public DomainPropertyService(Session session){
 this.session=session; 
   } 
 
   
   public String getString(String key){
   
   if (domains==null){
   domains = session.createCriteria(Domain.class).list();
   }
   
   if (domains!=null){
   return queries the database;  
   }
   else {
   return read from cache;
   }
   
   }
 }
 
 
 public static void bind(ServiceBinder binder)
 {

binder.bind(DomainPropertyService.class);

  }
 
 Thanks!
 
 Toby
 
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Re: How to implement a long lasting operation waiting page

2009-02-02 Thread nillehammer

Hi Hugo,

perhaps you do not need ajax at all. The meta tag meta
http-equiv=refresh content=5; URL=myWaitingPage might come in
handy. This tag causes the browser to wait a certain amount of seconds
before it requests the url. You could implement myWaitingPage to check
whether the operation finished. If yes it would redirect to the result
page, if not it would redirect to itself.

Hope this helps. Regards, nillehammer
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Hugo Palma schrieb:
 I have an operation that needs to be executed that could take a couple
 of minutes and so i'd like to provide a page where at first it
 displays a waiting message while the operation is getting executed and
 then if shows the result of that operation, using ajax so that i don't
 have to go to another page.
 
 Any ideas about the best way to do this ? If i bind the process
 execution to any phase of the page lifecycle it will always be
 executed before it renders anything and i loose control on how to
 update the page once the operation is complete.
 
 Thanks.
 
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Re: validator and activation link

2009-02-01 Thread nillehammer

Hi Abangkis,
I am not familiar with versions of Tapestry prior to 5.0. So I cannot
answer your first question. Your second one is explained on the
following page:
http://tapestry.apache.org/tapestry5/guide/pagenav.html
Scroll to the middle of that page the section named Page Render
Requests. In addition to the method explained on that page you can use
EventContext as a parameter.
(http://tapestry.apache.org/tapestry5/apidocs/org/apache/tapestry5/EventContext.html)


Hope this helps. In case it does not, please do not hesitate to ask.

Regards nillehammer

abangkis schrieb:
 Hai guys,
 
 I've got two question that i would like to ask :
 
 1. There use to be a match and differ validator, is this validator
 gone in T5 ? Is there anything i could use to subtitute it ?
 
 2. How can I implement an activation link. So if a user click on some
 link (ex: www.myweb.net/approval/mykey123232 ) i can get the key and
 process it ?
 
 Cheers,
 
 Abangkis
 
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Extend AppPropertyEditBlocks with cut feature

2009-01-19 Thread nillehammer

Hi List,

I am making extensive use of AppPropertyEditBlocks. Now I'd like to
extend the way the blocks are rendered. I'd like to provide somehow a
maxLenth value. Maxlenth being null the whole output should be
displayed. Maxlength being positive the output should be cut to
maxLenth. I have browsed T5's sources and have run into a dead end at
AbstractPropertyDisplay and interface Block.

Has anyone got an idea how to achieve this?

Thanks in advance, nillehammer

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Re: t:if test considers Float 1.0 as false?

2009-01-18 Thread nillehammer

Hi James,
I don't think it is an issue with the if-component. If-component just
calls a method that is given in the test-attribute and evaluates whether
it returns true or false. Could it be that in this method you
accidencially do an Integer comparison instead of a Float comparison?
Greetz nillehammer

James Hillyerd schrieb:
 It seems that t:if considers 0.1, 0.99 as false, but 1.0 as true.
  Should I file a bug?  This is 5.0.18
 -james
 

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Re: Adding additional Textinput fields during runtime

2008-12-14 Thread nillehammer

Hi Toby,
http://tapestry.apache.org/tapestry5/tapestry-core/ref/org/apache/tapestry5/corelib/components/Loop.html

The example Forms and Loops Example might give you, what you are
looking for.
Cheers nillehammer

superoverdr...@gmx.de schrieb:
Hi there!

Is there a way to add additional Textinput fields during runtime without
having specified them all before in Tapestry?

I am working on an Admin interface that allows to add configuration values
to an object.

E.g. you would see a dropdown box with parameters that are available. You
can then assign a value to an objectwhich would result in an additional
Textfield for that value.

There is an entity called Domain and one called Value. A value can be
anything - could be the language, the country, the character set or whatever.
The meaning of such a value is achieved by a Category that is referenced
by a value.

E.g. if you want to add an additional configuration parameter to a Domain,
you select Country, then a new Value field could be entered (e.g. USA).
Then you could choose to add a Value for Language, then a new text field to
enter a language would be displayed.

The problem is I need to define all Properties in the page beforeso how
would you handle such a case? To have unlimited input fieldsthat are
not all defined before?

Thanks!

Toby

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Re: Entities referencing domain style Entities

Hi Luther,

an alternative to contributing a DataTypeAnalyzer you could also use the
 annotation DataType on getters in your Entities so instead of doing

public static void contributeDefaultDataTypeAnalyzer
MappedConfigurationClass, String configuration)
{
  configuration.add(Category.class, category);
}

you could do
public class User
{
...
  @DataType(category) // DataType needn't be analyzed, because you
// provide Tapestry with necessary information.
  public Category getCategory() {
return this.category;
  }
...
}

lutherbaker schrieb:
 Thanks Uli!
 
 
 
 Ulrich Stärk wrote:
 Luther Baker schrieb:
 I have an entity that contains another entity - but this time, the
 contained
 entity table is quite finite - say, 10 rows.

 public class Category
 {
   private String name;
 }

 public class User
 {
private String firstName;
private String lastName;
private Category category;
 }

 and in this case, I'd like to render firstName, lastName and a DROP DOWN
 or
 some type of picker from existing Categories.

 Would I need to create my own t:form ... and possibly use a t:BeanEditor
 with a custom drop down/picker -- or is this type of idiom encapsulated
 in a
 Tapestry component already?

 Thanks much,

 -Luther

 Indeed you'll have to create a BeanBlockContribution and contribute it to
 the BeanBlockSource 
 service. This contribution tells tapestry where to look for the component,
 that is responsible for 
 rendering your type. Additionally you'll have to contribute your type to
 the DefaultDataTypeAnalyzer 
 service. That could look something along the lines of

 public static void contributeDefaultDataTypeAnalyzer(
  MappedConfigurationClass, String configuration)
 {
  configuration.add(Category.class, category);
 }

 public static void
 contributeBeanBlockSource(ConfigurationBeanBlockContribution
 configuration)
 {
  configuration.add(new BeanBlockContribution(category,
 AppPropertyEditBlocks, category, 
 true));
 }

 AppPropertyEditBlocks is the name of a page that contains a component with
 the id category that is 
 responsible for rendering your category. In your case this would be a
 select component:

 @Environmental
 private PropertyEditContext context;

 @Component(parameters =
 { value=context.propertyValue, label=prop:context.label,
model=prop:categoryModel, encoder=prop:categoryEncoder,
clientId=prop:context.propertyId, validate=prop:validator })
 private Select category;

 @Inject
 private PropertyAccess propertyAccess;

 @SuppressWarnings({ unused, unchecked })
 public FieldValidator getValidator()
 {
  return context.getValidator(category);
 }

 public PropertyEditContext getContext() { return context; }

 public SelectModelCategory getCategoryModel()
 {
  ...
 }

 public ValueEncoderCategory getCategoryEncoder()
 {
  ...
 }
 with the corresponding .tml:

 div xmlns:t=http://tapestry.apache.org/schema/tapestry_5_0_0.xsd;
t:block t:id=category
  t:label for=category /
  t:select t:id=category /
/t:block
 /div

 I believe that there is also some information about this on the wiki,
 check it out!

 HTH,

 Uli

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Re: BeanEditForm Component in Tapestry 5

With BeanEditForm Person need not be instanciated in onActivate. That is
done automagically by the component itself.

The Exception surely refers to the id. Id being the only number in your
Person class. Although I do not know, why that would be a problem for
Tapestry, you surely would not want the user to edit the database id. So
try the following. You might get rid of your problem with that:
public class Persion {
...
  @NonVisual //-- that excludes this member from the generated
// BeanModel. This could also be done manually whit exclude.
// (see BeanModel for further information.
  public Person getPerson() {
return person;
  }
...
}



Otho schrieb:
 You obviously left out some things for brevity, but I can't see Person
 anywhere instantiated?
 
 public class PersonForm {
 
 @Persist
 @Property //no need for accessors
 private Person person;
 
 Object onActivate()
 {
if(person==null)
  person = new Person();
 
return null;
 }
 
 Object onSuccessFromPersonEditor()
 {
 
 
 return null;
 }
 }
 
 And you also seem to not have an id for the beaneditform. with the above
 code that would be:
 
 t:beaneditform t:id=personEditor t:object=person/
 
 Regards,
 Otho
 
 2008/12/11 mraible m...@raibledesigns.com
 
 I'm working on a simple CRUD example for Tapestry 5 (version 5.0.18) today
 in
 order to create the necessary FreeMarker templates for AppFuse's Maven
 Plugin. Here's my form class:

 package org.appfuse.webapp.pages;

 import org.apache.tapestry5.annotations.Persist;
 import org.apache.tapestry5.annotations.Property;
 import org.apache.tapestry5.ioc.annotations.Inject;
 import org.appfuse.model.Person;

 public class PersonForm {

   @Persist
   private Person person;

   public Person getPerson() {
   return person;
   }

   public void setPerson(Person person) {
   this.person = person;
   }
 }

 My PersonForm.tml:

 t:layout title=message:personForm.title
   heading=message:personForm.heading menu=literal:PersonMenu
   xmlns:t=http://tapestry.apache.org/schema/tapestry_5_0_0.xsd;
   body
   h1Create New Person/h1

   t:beaneditform t:object=person/
   /body
 /t:layout

 Pretty simple. The Person.java object is as follows:

 package org.appfuse.model;

 import javax.persistence.*;

 @Entity
 public class Person {
   private Long id;
   private String firstName;

   public void setFirstName(String firstName) {
   this.firstName = firstName;
   }

   public void setId(Long id) {
   this.id = id;
   }

   public void setLastName(String lastName) {
   this.lastName = lastName;
   }

   private String lastName;

   @Id
   @GeneratedValue(strategy = GenerationType.AUTO)
   public Long getId() {
   return this.id;
   }

   @Column(name = first_name, length = 50)
   public String getFirstName() {
   return this.firstName;
   }

   @Column(name = last_name, length = 50)
   public String getLastName() {
   return this.lastName;
   }

   public String toString() {
   return firstName + ' ' + lastName;
   }
 }

 When I access http://localhost:8080/personform, I get
 the following error:

 Render queue error in
 AfterRender[PersonForm:beaneditform.editor.loop]: Failure reading
 parameter 'validate' of component core/PropertyEditBlocks:numberfield:
 No object of type org.apache.tapestry5.services.PropertyEditContext is
 available from the Environment. Available types are
 org.apache.tapestry5.RenderSupport,
 org.apache.tapestry5.ValidationDecorator,
 org.apache.tapestry5.ValidationTracker,
 org.apache.tapestry5.internal.services.ClientBehaviorSupport,
 org.apache.tapestry5.internal.services.DocumentLinker,
 org.apache.tapestry5.services.BeanEditContext,
 org.apache.tapestry5.services.FormSupport,
 org.apache.tapestry5.services.Heartbeat.

 Any ideas?

 Thanks,

 Matt
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Re: BeanEditForm Component in Tapestry 5

Sorry I messed up the code example corrected version:
public class Persion {
...
  @Id
  @GeneratedValue(strategy = GenerationType.AUTO)
  @NonVisual //-- that excludes this member from the generated
// BeanModel. This could also be done manually whit exclude.
// (see BeanModel for further information.
  public Person getId() {
return person;
  }
...
}

nillehammer schrieb:
 With BeanEditForm Person need not be instanciated in onActivate. That is
 done automagically by the component itself.
 
 The Exception surely refers to the id. Id being the only number in your
 Person class. Although I do not know, why that would be a problem for
 Tapestry, you surely would not want the user to edit the database id. So
 try the following. You might get rid of your problem with that:
 public class Persion {
 ...
   @NonVisual //-- that excludes this member from the generated
 // BeanModel. This could also be done manually whit exclude.
 // (see BeanModel for further information.
   public Person getPerson() {
 return person;
   }
 ...
 }
 
 
 
 Otho schrieb:
 You obviously left out some things for brevity, but I can't see Person
 anywhere instantiated?

 public class PersonForm {

 @Persist
 @Property //no need for accessors
 private Person person;

 Object onActivate()
 {
if(person==null)
  person = new Person();

return null;
 }

 Object onSuccessFromPersonEditor()
 {
 
 
 return null;
 }
 }

 And you also seem to not have an id for the beaneditform. with the above
 code that would be:

 t:beaneditform t:id=personEditor t:object=person/

 Regards,
 Otho

 2008/12/11 mraible m...@raibledesigns.com

 I'm working on a simple CRUD example for Tapestry 5 (version 5.0.18) today
 in
 order to create the necessary FreeMarker templates for AppFuse's Maven
 Plugin. Here's my form class:

 package org.appfuse.webapp.pages;

 import org.apache.tapestry5.annotations.Persist;
 import org.apache.tapestry5.annotations.Property;
 import org.apache.tapestry5.ioc.annotations.Inject;
 import org.appfuse.model.Person;

 public class PersonForm {

   @Persist
   private Person person;

   public Person getPerson() {
   return person;
   }

   public void setPerson(Person person) {
   this.person = person;
   }
 }

 My PersonForm.tml:

 t:layout title=message:personForm.title
   heading=message:personForm.heading menu=literal:PersonMenu
   xmlns:t=http://tapestry.apache.org/schema/tapestry_5_0_0.xsd;
   body
   h1Create New Person/h1

   t:beaneditform t:object=person/
   /body
 /t:layout

 Pretty simple. The Person.java object is as follows:

 package org.appfuse.model;

 import javax.persistence.*;

 @Entity
 public class Person {
   private Long id;
   private String firstName;

   public void setFirstName(String firstName) {
   this.firstName = firstName;
   }

   public void setId(Long id) {
   this.id = id;
   }

   public void setLastName(String lastName) {
   this.lastName = lastName;
   }

   private String lastName;

   @Id
   @GeneratedValue(strategy = GenerationType.AUTO)
   public Long getId() {
   return this.id;
   }

   @Column(name = first_name, length = 50)
   public String getFirstName() {
   return this.firstName;
   }

   @Column(name = last_name, length = 50)
   public String getLastName() {
   return this.lastName;
   }

   public String toString() {
   return firstName + ' ' + lastName;
   }
 }

 When I access http://localhost:8080/personform, I get
 the following error:

 Render queue error in
 AfterRender[PersonForm:beaneditform.editor.loop]: Failure reading
 parameter 'validate' of component core/PropertyEditBlocks:numberfield:
 No object of type org.apache.tapestry5.services.PropertyEditContext is
 available from the Environment. Available types are
 org.apache.tapestry5.RenderSupport,
 org.apache.tapestry5.ValidationDecorator,
 org.apache.tapestry5.ValidationTracker,
 org.apache.tapestry5.internal.services.ClientBehaviorSupport,
 org.apache.tapestry5.internal.services.DocumentLinker,
 org.apache.tapestry5.services.BeanEditContext,
 org.apache.tapestry5.services.FormSupport,
 org.apache.tapestry5.services.Heartbeat.

 Any ideas?

 Thanks,

 Matt
 --
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Re: T5: run time generation of pages?