date:20070704


Is there an elegant way to do the opposite of what the AuthorizeAction
annotation was intended for?

I have an unregister function that any user _except_ the admin user
should be able to use. If the admin unregisters, I'm f*.

Essentially, I'd really like to be able to do something like this:

  @AuthorizeAction(
action = Action.RENDER, roles = { !Roles.ADMIN, Roles.USER })


Any ideas?

Thanks!




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[Wicket-user] Passing parameters to PageExpired page

2007-07-04 Thread Thies Edeling

Hi all,

Rather than using the default session expiry page I registered my 
LoginPage with

getApplicationSettings().setPageExpiredErrorPage(LoginPage.class);


Is there a way to pass along parameters to the LoginPage when it's 
registered as the expiry page? On the LoginPage I want to let the user know
that he has to relogin because his session expired however within the 
LoginPage I cannot determine the cause anymore.

gr,
Thies

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Re: [Wicket-user] Passing parameters to PageExpired page

2007-07-04 Thread Carl-Eric Menzel

 Is there a way to pass along parameters to the LoginPage when it's
 registered as the expiry page? On the LoginPage I want to let the user know
 that he has to relogin because his session expired however within the
 LoginPage I cannot determine the cause anymore.

How about ExpiredPage extends LoginPage? That way you have everything the 
LoginPage does and you know exactly where you are.
 
Carl-Eric

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Re: [Wicket-user] Wicket with JExcel

2007-07-04 Thread Ayodeji Aladejebi


thats why the source is open for you to hack into :)

however,
1. for the Not Set Stuff, check the XCell class for modification
2. the one without ajax is easy, Look up the ExcelGridPanel class and make
these modifications

final XCell cell = ...
TextField celltx = new TextField(cell, new PropertyModel(cell,data)){
   public void onComponentTag(ComponentTag tag){
   super.onComponentTag(tag);
   if(!isValid()){
  tag.put(class, grid-error);

 }else
  tag.put(class, grid-normal);
 //How can I change the empty field box style in Red color. It's
easy to
//Identify. Because XL file may contains lot of empty fields.
 if(cell.getContent().equals())
 tag.put(class,grid-error);
//In xls one field contains more than 20 characters. When I upload that xls,
//initially it shows the data only not in red color box. But when I click
the
//box only it shows red color. How can I show in red color when load the
//document.
 if(cell.getContent().length()  20)
 tag.put(class, grid-error);
//And how can I add alt tag when I mouse over the empty field text box -
//for eg. If I mouse over the empty field, It shows the empty field should
not
//be allowed.
if(cell.getContent().equals())
 tag.put(alt,Empty Cells Not Allowed );

}
  };


After changing the file, what is save record button. How it works? Please
explain.


hmm... ok, depends on what you want to achieve but basically this is the
part of the code that you du what you got to do

when i wrote the code, i used it for a project where ppl needed to upload
Mobile phone contacts into a database from Excel file, so our line of
purpose may be different. if you want to allow users to modify the Excel
Spreadsheet, its a different ball game

Form gridForm = new Form(gridform){

   public void onSubmit(){
   //you could keep a reference to a XCell array and then write
it back to the corresponding Cell instances from the Workbook
// NOte: that the code assumes every data in the Excel is a String. to
support multiple data types is another beast of code

 //so place your logic code here
   }
}


Regards,

On 7/4/07, Edi [EMAIL PROTECTED] wrote:




In xls one field contains more than 20 characters. When I upload that xls,
initially it shows the data only not in red color box. But when I click
the
box only it shows red color. How can I show in red color when load the
document.


Ayodeji Aladejebi wrote:

 meanwhile for the AjaxExcelGirdPanel, you have to click on the cell
labels
 to edit them and you will require
 wicket-extensions along with the wicket jar to make it work

 regards

 On 7/4/07, Ayodeji Aladejebi [EMAIL PROTECTED] wrote:

 hmm..i have been busy

 but i worked a quick fix for you

 it is attached, its a netbeans project folder.

 I really hope you find it useful

 There are two panels there that meet your requirements
 ExcelGridPanel and AjaxExcelGridPanel

 i does not support paging yet so that gagantic excel data wont scatter
 the
 screen

 I also realized that Loop and ListView have a lot of difference cuz
 igor's
 validation error notification code did not work with Loop until i
 modified
 it to ListView

 Either way, you could work your way from what is attached

 when i have more updates, i will let you know

 regards


 On 7/2/07, Edi [EMAIL PROTECTED] wrote:
 
 
  Excuse me,
 
  ANy updates? please
 
 
 
  Ayodeji Aladejebi wrote:
  
   alas...igor has rescued us
   pls give me some time to update the code wih this approach and send
 it
  to
   yu
  
   On 6/29/07, Igor Vaynberg [EMAIL PROTECTED] wrote:
  
   On 6/29/07, Ayodeji Aladejebi [EMAIL PROTECTED]  wrote:
   
that should be simple, although my wicket is bit rusty at the
  moment, I
think
   
 final TextField tx = new TextField(cell, new
PropertyModel(values[row][col],data));
  tx.add(new IValidator(){
  public void validate(FormComponent fc){
   
  if(fc.getValue () is greater than 20){
fc.add(new AttributeModifier(style,true, new
Model(background-color: #FF;)));
fc.error(error.toolongvalue ,null);
  }else{
  fc.add(new AttributeModifier(style,true, new
Model(background-color: normal-color;)));
 }
   
}
  });
  item.add(tx);
   
   
something like dat...just buzz around
  
  
   ayyayay, i guess no matter how you try to engineer the api people
  always
   find ways to abuse it :)
  
   TextField tf=new TextField() { oncomponenttag(tag) { if
  (!isvalid())
   {
   tag.put(class,error); } }};
   tf.add(StringValidator.maxLength(20));
  
   -igor
  
  
  
   On 6/29/07, Edi  [EMAIL PROTECTED]  wrote:


 Or, tell me how to validate, if the text box value exceeds 20
 characters, I
 want to change the color of the text box. HOW?



 Ayodeji Aladejebi wrote:
 
  well,
  yu can use String.length to do dat. but be aware

Re: [Wicket-user] Passing parameters to PageExpired page

2007-07-04 Thread Thies Edeling


Carl-Eric Menzel wrote:

Is there a way to pass along parameters to the LoginPage when it's
registered as the expiry page? On the LoginPage I want to let the user know
that he has to relogin because his session expired however within the
LoginPage I cannot determine the cause anymore.



How about ExpiredPage extends LoginPage? That way you have everything the 
LoginPage does and you know exactly where you are.
  
Ah didn't think of that, that'll work. Does Wicket travel up the 
hierarchy tree to look for the markup file? If ExpiredPage.html doesn't 
exist, will it use LoginPage.html?


regards,
Thies
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Re: [Wicket-user] Passing parameters to PageExpired page

2007-07-04 Thread Carl-Eric Menzel

 Ah didn't think of that, that'll work. Does Wicket travel up the hierarchy 
 tree to look for the 
 markup file? If ExpiredPage.html doesn't exist, will it use LoginPage.html?

I don't really know and can't test it right now. I just thought of that off the 
top of my head ;-) Simply give it a try, if it doesn't work as expected, you 
should see it immediately.
 
Carl-Eric

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Re: [Wicket-user] Filterable DefaultDatatable

2007-07-04 Thread Ox


Hello, thx a lot for your input!

In fact the value are sticking well after the submit. But I was explicitly
reloading a new page with the values of the checkboxes.
So that was bad but my Form model should be oK.


What I don't understant is that I created a Form that I added to my Page.
I didn't relate the form to the DefaultDataTable
This table has a DataProvider. Do I have to use an instance variable in that
provides that would keep the state of my checkboxes?
How is this state modified when I modify my InputForm?

What is or should be the connection betwee the Form et the DataProvider.
How are used the getFilterState and setFilterState of my DataProvider.

I know I've got a lack of understanding those concept.
What should I read to fill this gap?

Thanks a lot!

Ox

igor.vaynberg wrote:
 
 you dont need to do anything in onsubmit, it will automatically reload the
 current page unless you call setresponsepage to another one.
 
 if the values are not sticking after submit that means they are not saved
 properly, you might want to look at your models.
 
 -igor
 
 On 7/3/07, Ox [EMAIL PROTECTED] wrote:


 Hello,

 I'm trying do display a simple Data Table with a filter on it.
 I had a look at the wicket-phonebook example because what I have to do is
 really similar to that example.
 So I will refer to the code of this example to describe my problem.

 The thing is I want to have some filter on the table that would add a
 criteria on a status column (not present in the wicket-phonebook
 example).
 This status would be an Integer and I would like to dispay a checkGroup
 as
 filter on this status!

 I don't really understand how the page should reload keeping the filter
 status (meaning the checked checkboxes) and refreshing the table with the
 status criteria.
 (NB I don't want to use Ajax here)
 Do I have to Implement a load method in my DetachebleContactModel?

 I succeeded linking the criteria to my query but don't succeed to refresh
 the page correctly.

 Can somebody help me with some clues or code example?

 I putted some of my code here...
 The rest is really base on the wicket-phonebook example

 I have seen a similar question in the Filterable ListViews thread but
 don't really understand how to adapt it in the phonebook example.

 Thanks a lot,
 Ox



 public class ListContactPage extends BasePage {

 ...

 public ListContactPage(List statuses) {

 add(new InputForm(inputForm));
 ...


 RequestDataProvider dataProvider = new
 ConatctDataProvider(
 getContactDao(), statuses);

 DefaultDataTable table = new
 DefaultDataTable(requestTable, Arrays
 .asList(columns), dataProvider, 15);

 // I don't use it
 // ... addTopToolbar(new FilterToolbar(...
 add(table);
 ...

 }


  private class InputForm extends Form {


 public InputForm(String name)
 {
 super(name, new CompoundPropertyModel(new
 FormInputModel()));

 CheckGroup statusChecks = new
 CheckGroup(statusCheckGroup);
 add(statusChecks);
 ListView statusChecksList = new ListView(statuses,
 ContactUtil.getStatusCodes())
 {
 protected void populateItem(ListItem item)
 {
 item.add(new Check(scheck, item.getModel
 ()));
 item.add(new Label(status,
 item.getModelObjectAsString()));
 };
 };
 statusChecks.add(statusChecksList);

 ...

 }

 public void onSubmit(){
 info(Search model  + getModelObject());

 //Do I have to set a ResponsePage here? Or will
 it
 automatically remains
 and reload the current page
 }

 }

 ...
 }


 public class ListContactPage extends BasePage {

 ...

 public ListContactPage(List statuses) {

 add(new InputForm(inputForm));
 ...


 RequestDataProvider dataProvider = new
 ConatctDataProvider(
 getContactDao(), statuses);

 DefaultDataTable table = new
 DefaultDataTable(requestTable, Arrays
 .asList(columns), dataProvider, 15);

 // I don't use it
 // ... addTopToolbar(new FilterToolbar(...
 add(table);
 ...

 }


  private class InputForm extends Form {


 public InputForm(String name)
 {
 super(name, new CompoundPropertyModel(new
 FormInputModel()));

 CheckGroup statusChecks = new

Re: [Wicket-user] Wicket ModalWindow, MaskType and opacity

2007-07-04 Thread Matej Knopp

Unfortunately, there is no control of the opacity. The problem is that
for certain browsers, the opacity attribute doesn't work well and we
need to use a masking transparent picture.

-Matej

On 7/4/07, Sean Sullivan [EMAIL PROTECTED] wrote:
 Hello,

 I am using a Wicket 1.3.0 SNAPSHOT from the trunk.

 In the ModalWindow class, there are two masks available:

MaskType.TRANSPARENT
MaskType.SEMI-TRANSPARENT  (10% opacity)

 Is there a way for me to have finer control of the degree of opacity?   I'd
 love to be able to control it through a Java API.

 For what its worth, I inspected the Wicket's ModalWindow implementation and
 noticed that the mask is implemented in the modal.css file:



 div.wicket-mask-dark {
  position: fixed;
  top: 0px;
  left: 0px;
  width: 100%;
  height: 100%;
  opacity: 0.1;
  -moz-opacity:0.1;
  background-color: black;
  filter: alpha(opacity=10);
  background-image: url('transparent2.png');
 }

 div.wicket-mask-transparent {
  position: fixed;
  top: 0px;
  left: 0px;
  width: 100%;
  height: 100%;

  background-image: url('transparent1.gif');
 }



 Cheers,

 Sean


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Re: [Wicket-user] Tree - override onNodeLinkClicked(...)?

2007-07-04 Thread Matej Knopp

I believe, that what you want, is not to set response page, but rather
to switch panel components. At least that sounds much more reasonable
to me.

-Matej

On 7/4/07, kenixwong [EMAIL PROTECTED] wrote:

Anyway, i found that the wicket example did not show the use of the node
link. Any place can help ? As i went through this forum but still cant get
any idea to solve it .. :( how ar??

Eelco Hillenius wrote:

Eelco

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Re: [Wicket-user] Why wicket-phonebook 1.3 doesn't reload and run in glassfish?

2007-07-04 Thread Gwyn Evans

On Wednesday, July 4, 2007, 3:25:33 AM, Lec [EMAIL PROTECTED] wrote:

 I have been trying to figure out a reason as to why wicket-phonebook 1.3
 couldn't be executed anymore after reloading in glassfish but it can be done
 in tomcat 5.x...I could reload it in glassfish without seeing error on the
 glassfish console, but if i type the URL pointing to the wicket-phonebook
 1.3 context path, it shows 404 http error.. any idea? would be appreciated
 if somebody can shed me a light here.

 upon reloading, the glassfish produces this output on the console

What URL are you trying - it looks as if it's loading OK, but I can't
be sure where - it looks as if it's either on /wicket-phonebook-1 or
/wicket-phonebook-1.2 as a guess, though.

Does the Glassfish console show where it thinks it is mapped to?

/Gwyn


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Re: [Wicket-user] Can I get a 'Nice URL' when form validation fails?

2007-07-04 Thread Philip Wilkinson

Thanks for that Dave.
It does make sense.
But I know the values are stored in the session pagemap, so I'd like to be
able to get them from there. I was hoping that a combination of a bookmarked
url, and maybe cookie or hidden field, managed by wicket, would be enough
for wicket not to stray from my 'nice' bookmarked url, and not to expose
wickets inner workings via a url.
Cheers.

David Leangen-8 wrote:

Philip,

You need to also include all your form values in the PageParamters, and
parse those values in your page, filling each of the fields with those
values.

Does that make sense?

So, your url would be something like:

/myPage?field1=blahcheckbox1=true...

Cheers,
Dave

On Tue, 2007-07-03 at 13:48 -0700, Philip Wilkinson wrote:
Hi,

When my form validation fails, the page is redisplayed with the default
url
with all its wicket:interface stuff.
I'd rather this didn't happen as I've bookmarked the page, and would
prefer
to have the bookmarked url redisplayed. (the bookmarked url was initially
displayed for the page)

I've tried overriding Form.onError() { setResponsePage(WelcomePage.class,
new PageParameters()); }
and that got me my nice bookmarked url, but lost all my form field
values.
Obviously creating a new page instance.

I've also tried Form.onError() { setResponsePage(WelcomePage.this); }

Is it possible with wicket to only have the bookmarkable urls visible,
without exposing the wicket internals in the url?

Thanks in advance
Philip Wilkinson.

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Re: [Wicket-user] Can I get a 'Nice URL' when form validation fails?


Philip,

 But I know the values are stored in the session pagemap, so I'd like
 to be able to get them from there. I was hoping that a combination
 of a bookmarked url, and maybe cookie or hidden field, managed
 by wicket, would be enough for wicket not to stray from my 'nice'
 bookmarked url, and not to expose wickets inner workings via a
 url.

You got me really curious with this. I can't really help you, but now I
really want to know more about this.

I checked out the request lifecycle and found this page when googling:

  http://www.wicket-wiki.org.uk/wiki/index.php/Lifecycle

What I'm trying to figure out is where Form.onSubmit() fits in, since this
is where you determine the page that you redirect to, and logically (to me)
this is where the URL of the next page gets set up.

What I can't figure out here is this: when the form's submit button gets
pressed on the current page, obvious a new HttpServletRequest gets sent to
the server, and the onSubmit() method gets invoked.

 1. What URL is sent to the server?
 2. Since the response can differ according to the input
 of the form, this means that the URL could change
 according to the input... but the URL is already
 decided on in step 1

Obviously, there's something I'm not getting here.

(Eu, experienced Wicket people: feel free to step in any time ;-)

In any case, once we can understand this lifecycle issue, we'll be able to
figure out whether or not you can achieve what you're trying to do.


Regards,
David



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[Wicket-user] Image questions

2007-07-04 Thread Gohan


I'm using wicket 1.2.6 and I'd like to display simple gif images. 

I have the following code in my constructor for WelcomePage: 
add(new Image(toplogo, new ResourceReference(WelcomePage.class,
toplogo.gif)));

The html looks like:
..
trtd /img/td/tr
..

The toplogo.gif is located in the same directory as the WelcomePage.
When I load the application the page the images is distorted, it's like
somebody has smeared the image. The image looks alright if I display it in
an imaging program. The same thing happens with jpg and png images. I'm
using maven 2.0.7 and jetty and I'm not sure if this is a wicket, maven or
jetty problem. Has any experienced the same problem?

The second question is how I should go about to load an image that is
located in a resource folder (i.e. src/main/resources). If I just go with
add(new Image(toplogo, new ResourceReference(toplogo.gif))), the images
is resolved to
http://localhost:8080/app/resources/wicket.Application/toplogo.gif, but I
want the image to be loaded from the resource root directory.

Thanks

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Re: [Wicket-user] Passing parameters to PageExpired page

2007-07-04 Thread Janos Cserep


 Ah didn't think of that, that'll work. Does Wicket travel up the hierarchy 
 tree to look for the markup file? If ExpiredPage.html doesn't exist, will it 
 use LoginPage.html?

Yes


janos


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Re: [Wicket-user] Filterable DefaultDatatable


On 7/4/07, Ox [EMAIL PROTECTED] wrote:



What I don't understant is that I created a Form that I added to my Page.
I didn't relate the form to the DefaultDataTable



you need to relate it to the dataprovider rather then the table

This table has a DataProvider. Do I have to use an instance variable in that

provides that would keep the state of my checkboxes?



you can put it there sure, or you can make it a page property and link both
form and dataprovider to that:

class mypage extends webpage {
  private boolean showdeletedusers=false;

  public mypage {
Form f=new Form(..);
f.add(new checkbox(cb, new PropertyModel(this, showdeletedusers));
...
   }

   private class usersprovider extends dataprovider {
  public int size() { return dao.countusers(showdeletedusers); }
  ...
}
}


How is this state modified when I modify my InputForm?


dont understand what you mean.

What is or should be the connection betwee the Form et the DataProvider.


like i said, it can be whatever you want, you are only limited by java

How are used the getFilterState and setFilterState of my DataProvider.


see the contactsdataprovider in the phonebook

I know I've got a lack of understanding those concept.

What should I read to fill this gap?



i think you should read the models page on the wiki

-igor
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Re: [Wicket-user] Can I get a 'Nice URL' when form validation fails?


On 7/4/07, David Leangen [EMAIL PROTECTED] wrote:




What I can't figure out here is this: when the form's submit button gets
pressed on the current page, obvious a new HttpServletRequest gets sent to
the server, and the onSubmit() method gets invoked.

1. What URL is sent to the server?



the url that is defined in form.action attribute in html. it tells wicket
that the form has been submitted, pointing out which one.

2. Since the response can differ according to the input

 of the form, this means that the URL could change
 according to the input... but the URL is already
 decided on in step 1



the url is the same but the post values are different.

-igor
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Re: [Wicket-user] Image questions


On 7/4/07, Gohan [EMAIL PROTECTED] wrote:



I'm using wicket 1.2.6 and I'd like to display simple gif images.

I have the following code in my constructor for WelcomePage:
add(new Image(toplogo, new ResourceReference(WelcomePage.class,
toplogo.gif)));

The html looks like:
..
trtd /img/td/tr



/img? shouldnt that be img/ and then img wicket:id=img/?

..


The toplogo.gif is located in the same directory as the WelcomePage.
When I load the application the page the images is distorted, it's like
somebody has smeared the image.



not sure, never seen that happen. try setting width/height on the img tag -
longshot, but hay :)


The second question is how I should go about to load an image that is

located in a resource folder (i.e. src/main/resources). If I just go with
add(new Image(toplogo, new ResourceReference(toplogo.gif))), the images
is resolved to
http://localhost:8080/app/resources/wicket.Application/toplogo.gif, but I
want the image to be loaded from the resource root directory.



files in src/main/resources get copied directly into classes dir - that
means for all intents and purposes they are in the default package. you need
to have a class in the default package you can use as a scope.

-igor
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Re: [Wicket-user] Can I get a 'Nice URL' when form validation fails?

On 7/4/07, Philip Wilkinson [EMAIL PROTECTED] wrote:

Thanks for that Dave.
It does make sense.
But I know the values are stored in the session pagemap, so I'd like to be
able to get them from there. I was hoping that a combination of a
bookmarked
url, and maybe cookie or hidden field, managed by wicket, would be enough
for wicket not to stray from my 'nice' bookmarked url, and not to expose
wickets inner workings via a url.

the cookie idea mightve worked, but it would mean that we would have to
rewrite every link to set the cookie, so essentially wicket will not work
without javascript. :|

-igor

Cheers.

David Leangen-8 wrote:

Philip,

You need to also include all your form values in the PageParamters, and
parse those values in your page, filling each of the fields with those
values.

Does that make sense?

So, your url would be something like:

/myPage?field1=blahcheckbox1=true...

Cheers,
Dave

On Tue, 2007-07-03 at 13:48 -0700, Philip Wilkinson wrote:
Hi,

I've tried overriding Form.onError() { setResponsePage(
WelcomePage.class,
new PageParameters()); }
and that got me my nice bookmarked url, but lost all my form field
values.
Obviously creating a new page instance.

I've also tried Form.onError() { setResponsePage(WelcomePage.this); }

Is it possible with wicket to only have the bookmarkable urls visible,
without exposing the wicket internals in the url?

Thanks in advance
Philip Wilkinson.

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[Wicket-user] Modifying attributes of tabs in TabbedPanel

2007-07-04 Thread Erik Dreyer


Hi,

I'm trying to update the provided TabbedPanel to be able to provide a new
CSS style to each tab so I can control the color of each tab.

I tried subclassing TabbedPanel and adding this method:

   @Override
   protected void onBeforeRender() {
   super.onBeforeRender();

   // get each tab and add a style
   for (int i = 0; i  getTabs().size(); i++) {
   Component tab = get(tabs-container:tabs: + i);
   tab.add(new AttributeAppender(class, true, new Model(tab+i),
 ));
   }
   }

This doesn't work (Null Pointer) because this method gets called before the
actual tabs are added.  I tried using onAfterRender().  This time the tabs
exist, but I can't modify the hierarchy during rendering.

Is there a way I can accomplish what I want without forking the TabbedPanel
class?

Thanks for your help,
Erik
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[Wicket-user] Model.getObject non-processing form submits

2007-07-04 Thread dx74a19


Hi

How do I make that IModel.getObject of FormComponets gets called on every
request?
I have a form, wich dislpays a record from a database. On the form I have
put buttons for navigation - previos and next records and so on. These
buttons have DefaultFormProcessing set to false (needs to be, dont want
validation when navigating away from the record) - and then... the form
values are not updated from the model .. I must be missing something. ???

Thanks

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Re: [Wicket-user] Model.getObject non-processing form submits

2007-07-04 Thread dx74a19


Thank god, I fixed it :) 
I had to iterate trough FormComponents and call valid(). modelChanged()
shoud work also, I think.

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Re: [Wicket-user] Can I get a 'Nice URL' when form validation fails?

2007-07-04 Thread Philip Wilkinson

I've thought of a way of making my question clearer.

I have a web page with a form which is accessed thru a bookmarked url so the
address looks like
http://localhost:8080/MyApp/myform

I submit the form and the validation fails, the url in the address bar now
looks like this
http://localhost:8080/MyApp/myform?wicket:interface=:0:::

I'd prefer not to see the ?wicket:interface=:0::: in the url. It's a
implementation detail that nobody needs to see. Its not book-markable
anymore, and it gives any malicious hacker out there too much info.

Is theres any way I can get wicket just to show the bookmarked url when it
redisplays the page?
Cheers,
Phil.

igor.vaynberg wrote:

On 7/4/07, David Leangen [EMAIL PROTECTED] wrote:

What I can't figure out here is this: when the form's submit button gets
pressed on the current page, obvious a new HttpServletRequest gets sent
to
the server, and the onSubmit() method gets invoked.

1. What URL is sent to the server?

the url that is defined in form.action attribute in html. it tells wicket
that the form has been submitted, pointing out which one.

2. Since the response can differ according to the input
of the form, this means that the URL could change
according to the input... but the URL is already
decided on in step 1

the url is the same but the post values are different.

-igor

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[Wicket-user] London Wicket Event - Tuesday, 7th August, 2007

2007-07-04 Thread jweekend

The first London Wicket Users Group went well; it was informative,
interesting and entertaining.
Our generous hosts at Arclight Media took really good care of us and Matt
Dudbridge rounded the evening off with a nice presentation about the
impressive http://zoomf.com zoomf.com .
Alastair Maw's depth of knowledge was quite remarkable (and presumably still
is). During his presentation he effortlessly demonstrated what he was
telling us about by coding it in real time whilst also answering all sorts
of questions comprehensively and with great clarity.
Attendees were not slow to express their thanks and how impressed they were
with the presentations and, naturally, with Wicket.
So, perhaps we should do it again ... only this time, Al has offered to help
attendees with their Wicket apps if they want to bring their laptops along!
If you are interested in coming along or if there are topics you'd like to
talk about, or things you'd like someone else to talk about, contact us at
the http://jWeekend.co.uk jWeekend.com site or reply on this thread.
It does appear that there is enough interest to make this a regular event,
provisionally on the first Tuesday of every month.
Let us know how that sounds.
Cemal
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[Wicket-user] inline frame usage

2007-07-04 Thread Ed _


Hi,New to wickets - trying to figure out how to dynamically add i fra mes to a 
page.Both the url to be set in the iframe and the body of the I want to 
dynamically add i fr ames to external urls (i.e. urls not in
the wicket pkg. - some external entities. , i.e. i do not
know how many of these frame I will have to add or where they are
pointed to - until the request is made.
How do I achive this? Inline Frames need some parameters that don't seem to 
make sense in this scenario.would appreciate help/pointers in this 
regard.thanks,ed
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Re: [Wicket-user] Problem with the InlineFrame

 I would like to use the InlineFrame, but the InlineFrame does not work. The
 codes are as follows:

 body
 span wicket:id=libBorder
 iframe wicket:id=bFrame src=[source] name=bottom/
 /span
 /body

 public class Map extends WebPage {
 public static final String BOTTOM_FRAME_NAME = bottom;

 public Map(final PageParameters pps) {
 Border borderUser = new LibBorderUser(libBorder);
 add(borderUser);

 InlineFrame iframe = new InlineFrame(bFrame,
PageMap.forName(BOTTOM_FRAME_NAME),Display.class);
 add(iframe);
 }
 }

Can you tell us more of what goes wrong and what version of Wicket you
are using? And out of curiousity, why use an inline frame?

Eelco

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Re: [Wicket-user] DatePicker broken on beta2 and snapshot?

On 7/4/07, Gerolf Seitz [EMAIL PROTECTED] wrote:
 eelco,
 speaking of wicket-datetime.
 is it possible to change the default implementation of
 notifyComponentOnDateSelected to return true?
 when telling other people (happend twice up to now) about how to use the
 datepicker, i always felt the urge to tell them to override this method if
 they wanted onchange notification.
 still i think this is actually what would be expected to be the default
 behavior (the onchange notification), since the value of the associated
 component does change.

Yeah, makes sense, especially because it doesn't typically do any harm.

 what do you think?

Committed the change.

 anyway, sorry if this issue demands more time than it actually might
 deserve, due to not enough thinking in the first place...

Not at all. It can take many iterations before it's perfect, and I'm
glad people are thinking with us. :)

Cheers,

Eelco

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Re: [Wicket-user] Foldable border

 I'm trying to create a foldable box component - not unlike the quick
 contacts and labels boxes in gmail. I want to render some markup around a
 border's contents - particulary, an open/close link. So far, I've made it
 toggle the value of Border.setBorderBodyVisible() and it works fine.

 But. I also want to skip the loading of the contents of borders, that are
 initially rendered closed. I though the deal would be to just
 borderBodyVisible to false and not to put any components in it at all, but
 unfortunatelly wicket raises an exception that components with coresponding
 names cannot be found in the hierarchy.

Only in development mode, is that correct? If you turn the hierarchy
check off, it might work.

 This was not the behavior I was
 expecting, since after Component.setVisible(false) it doesn't check the
 markup for matching components.

Or just make sure the hierarchy does match, even if it's just with
dummy components. They won't actualy be rendered anyway.

Eelco

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Re: [Wicket-user] inline frame usage

 New to wickets - trying to figure out how to dynamically add i fra mes to a
 page.

 Both the url to be set in the iframe and the body of the

 I want to dynamically add i fr ames to external urls (i.e. urls not in the
 wicket pkg. - some external entities. , i.e. i do not know how many of these
 frame I will have to add or where they are pointed to - until the request is
 made.

 How do I achive this? Inline Frames need some parameters that don't seem to
 make sense in this scenario.

I think you can just use iframe tags and do something like this:

add(new WebMarkupContainer(iframe)
{
protected void onComponentTag(ComponentTag tag)
{
super.onComponentTag(tag);
tag.put(src, http://wicketframework.org/;);
}
});

or

add(new WebMarkupContainer(iframe).add(new SimpleAttributeModifier(src,
http://wicketframework.org/;)));

Eelco

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Re: [Wicket-user] RestartResponseAtInterceptPageException / continueToOriginalDestination

 I have an authorization scheme where by the user is presented with a sign in
 page. After signing in, a check is made to see if they need to change their
 password. If so, they are redirected to a change password page. After that
 they should be redirected back to their intended page.



 However, if I use a
 RestartResponseAtInterceptPageException(); to go to the
 password change page from the sign in page, after submission I get directed
 back to the sign in page. Can I specify the intended original destination
 without setting a response page and passing it as a page parameter?



 Thank you,

You could have your authorization strategy check the destination (the
page that the user is trying to create) and if it is the login page
and the user is already logged in, you could redirect to some home.
That should work for your case.

Eelco

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Re: [Wicket-user] Passing parameters to PageExpired page

  Ah didn't think of that, that'll work. Does Wicket travel up the hierarchy
  tree to look for the markup file? If ExpiredPage.html doesn't exist, will it
  use LoginPage.html?

 Yes

That's a nice idea. But for the record, alternatively you could use a
custom request cycle, override public Page onRuntimeException(Page
page, RuntimeException e) and test for PageExpiredException and pass
any parameters you like.

Eelco

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Re: [Wicket-user] State selection from imagemap

 I know this is long winded, and I apologize.  But it would be nice to
 know the best way to deal with a large imagemap like this.  I would be
 happy to post this information on the wiki, but I don't want to do it
 if there are better solutions.  So any advice would be appreciated.

Tbh, I never use image maps myself, so I wouldn't be able to give you
advice backed by experience. If you think your component would be a
good addition, we could consider putting it in Wicket. For instance as
part of the wicket-stuff mini's project, or if you think it really
solves a common problem, we could vote to see whether we could put it
in wicket-extensions. If you think this makes sense, please open up a
JIRA issue and attache your sources (preferably as a patch).

Thanks,

Eelco

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[Wicket-user] Dataview and panels

2007-07-04 Thread Ed _


I am trying to render two columns of panels of a given type on a page.I want to 
use the dataview to get the content from the DB and make use of the 
pagenavigation.I want to set up a maximum of 5 panels per column and 
essentially have navigation to the next page if there is more to render.All 
examples of Dataview are for tables rendering multiple columns or a given 
type.Is there a better way to think about this to get the desired result. If 
not how would one use DataView to do it.thanks!ed
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Re: [Wicket-user] Modifying attributes of tabs in TabbedPanel

2007-07-04 Thread Erik Dreyer


On 7/4/07, Erik Dreyer [EMAIL PROTECTED] wrote:


Hi,

I'm trying to update the provided TabbedPanel to be able to provide a new
CSS style to each tab so I can control the color of each tab.

I tried subclassing TabbedPanel and adding this method:

@Override
protected void onBeforeRender() {
super.onBeforeRender();

// get each tab and add a style
for (int i = 0; i  getTabs().size(); i++) {
Component tab = get(tabs-container:tabs: + i);
tab.add(new AttributeAppender(class, true, new
Model(tab+i),  ));
}
}

This doesn't work (Null Pointer) because this method gets called before
the actual tabs are added.  I tried using onAfterRender().  This time the
tabs exist, but I can't modify the hierarchy during rendering.

Is there a way I can accomplish what I want without forking the
TabbedPanel class?

Thanks for your help,
Erik



No response.  Let me rephrase the question more generally.

How can a component manipulate the component hierarchy of its children if
those children don't expose their inner structure?  It seems the components
render from the top down.  That is, a parent is rendered before its
children.  Is that correct?  What if a parent wants to modify its children
in onBeforeRender(), but can't because performing a get(path:to:child)
results in a NPE?  Is there a way to do so?  See my original post for an
example of why I might want to do this.

Thanks,
Erik
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Re: [Wicket-user] Dataview and panels


On 7/4/07, Ed _ [EMAIL PROTECTED] wrote:


 I am trying to render two columns of panels of a given type on a page.

I want to use the dataview to get the content from the DB and make use of
the pagenavigation.

I want to set up a maximum of 5 panels per column and essentially have
navigation to the next page if there is more to render.

All examples of Dataview are for tables rendering multiple columns or a
given type.

Is there a better way to think about this to get the desired result. If
not how would one use DataView to do it.



i cant picture exactly what you want

-igor




thanks!


ed



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Re: [Wicket-user] Modifying attributes of tabs in TabbedPanel


On 7/4/07, Erik Dreyer [EMAIL PROTECTED] wrote:


Hi,

I'm trying to update the provided TabbedPanel to be able to provide a new
CSS style to each tab so I can control the color of each tab.

I tried subclassing TabbedPanel and adding this method:

@Override
protected void onBeforeRender() {
super.onBeforeRender();

// get each tab and add a style
for (int i = 0; i  getTabs().size(); i++) {
Component tab = get(tabs-container:tabs: + i);
tab.add(new AttributeAppender(class, true, new
Model(tab+i),  ));
}
}

This doesn't work (Null Pointer) because this method gets called before
the actual tabs are added.  I tried using onAfterRender().  This time the
tabs exist, but I can't modify the hierarchy during rendering.

Is there a way I can accomplish what I want without forking the
TabbedPanel class?



the short answer is: you cannot.

the point of tabbedpanel is to encapsulate a lot of these details so you do
not have to worry about it. the ease of use comes at a price - not
everything is customizable to everyone's content.

so there are two options to solve this

a) you can roll your own tabbed panel (which in wicket is not very hard, the
original has about 30-40 lines of code that make it tick?

b) we can add this functionality to the tabbed pael in core, making it a bit
more bloated.

i dont mind (b) if its just adding tab1, tab2 class attributes.

-igor



Thanks for your help,

Erik

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Re: [Wicket-user] Can I get a 'Nice URL' when form validation fails?



On Wed, 2007-07-04 at 12:14 -0700, Philip Wilkinson wrote:
 I've thought of a way of making my question clearer.
 
 I have a web page with a form which is accessed thru a bookmarked url so the
 address looks like
 http://localhost:8080/MyApp/myform
  
 I submit the form and the validation fails, the url in the address bar now
 looks like this
 http://localhost:8080/MyApp/myform?wicket:interface=:0:::
 
 I'd prefer not to see the ?wicket:interface=:0::: in the url. It's a
 implementation detail that nobody needs to see. Its not book-markable
 anymore, and it gives any malicious hacker out there too much info.
 
 Is theres any way I can get wicket just to show the bookmarked url when it
 redisplays the page?

Oh... If that's all you need...

Why not just use nice urls?

Note that if you don't include any page parameters (or some other way of
retrieving the data), your user will have to fill in all the form
details from scratch... not sure that's what you want.


Cheers,
Dave



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Re: [Wicket-user] Can I get a 'Nice URL' when form validation fails?


Thanks, Igor, that makes sense.

But still one more question before I really understand onSubmit():

I could have this in my onSubmit:

if( isValidated )
  setResponsePage( PageOne.class );
else
  setResponsePage( PageTwo.class );


So, what gets sent back in the HttpServletResponse is different
according to the validation of the form (data being sent via POST and
handled in the background by Wicket).

Are you saying that in either case, the URL would be the same (i.e. the
one generated by Wicket magic and seen in the html of the form), but the
content of reply would be different depending on whether it's PageOne or
PageTwo?


If so... it all makes sense to me now... :-)

Very smart, too!



On Wed, 2007-07-04 at 07:34 -0700, Igor Vaynberg wrote:
 On 7/4/07, David Leangen [EMAIL PROTECTED] wrote:
 
  
 
 What I can't figure out here is this: when the form's submit
 button gets
 pressed on the current page, obvious a new HttpServletRequest
 gets sent to
 the server, and the onSubmit() method gets invoked.
 
 1. What URL is sent to the server?
 
 the url that is defined in form.action attribute in html. it tells
 wicket that the form has been submitted, pointing out which one. 
 
 2. Since the response can differ according to the input
  of the form, this means that the URL could change
  according to the input... but the URL is already
  decided on in step 1
 
 the url is the same but the post values are different. 
 
 
 -igor
 
 
 
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Re: [Wicket-user] Can I get a 'Nice URL' when form validation fails?


On 7/4/07, David Leangen [EMAIL PROTECTED] wrote:



Thanks, Igor, that makes sense.

But still one more question before I really understand onSubmit():

I could have this in my onSubmit:

if( isValidated )
  setResponsePage( PageOne.class );
else
  setResponsePage( PageTwo.class );


So, what gets sent back in the HttpServletResponse is different
according to the validation of the form (data being sent via POST and
handled in the background by Wicket).

Are you saying that in either case, the URL would be the same (i.e. the
one generated by Wicket magic and seen in the html of the form), but the
content of reply would be different depending on whether it's PageOne or
PageTwo?



this is what happens in a nutshell

you pull up a page that has a form, wicket has already generated an action
url for that form that points back to that page. this url cannot be pretty
because it points to a specific instance of a page wicket holds in session.

you submit the form, the url in action is invoked and hits the page, along
with page parameters in post.

lets say validation fails - that means your form.onsubmit() is never called.
what wicket does is redirect to a url that will render the current page
again back to the user (it doesnt have to redirect, but it does by default -
see redirect-after-post pattern for details). this url also cannot be
pretty because it points to a specific instance of a page in session -
this is the url you will see when validation fails.

now if validation succeeds and your onsubmit() is called which does
setresponsepage(MyPage.class) then you will be redirected to a pretty url
given that MyPage is mounted.

now if you want to maintain pretty url throughout then you might want to try
using a statelesspage and a stateless form. however, notice that you would
only be allowed to have stateless components on that page (components that
do not generate a callback back to themselves - images, regular Links, etc)

hope this helps some

-igor

If so... it all makes sense to me now... :-)


Very smart, too!



On Wed, 2007-07-04 at 07:34 -0700, Igor Vaynberg wrote:
 On 7/4/07, David Leangen [EMAIL PROTECTED] wrote:



 What I can't figure out here is this: when the form's submit
 button gets
 pressed on the current page, obvious a new HttpServletRequest
 gets sent to
 the server, and the onSubmit() method gets invoked.

 1. What URL is sent to the server?

 the url that is defined in form.action attribute in html. it tells
 wicket that the form has been submitted, pointing out which one.

 2. Since the response can differ according to the input
  of the form, this means that the URL could change
  according to the input... but the URL is already
  decided on in step 1

 the url is the same but the post values are different.


 -igor




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Re: [Wicket-user] Modifying attributes of tabs in TabbedPanel

2007-07-04 Thread Erik Dreyer


snip
b) we can add this functionality to the tabbed pael in core, making it a bit
more bloated.
i dont mind (b) if its just adding tab1, tab2 class attributes.
/snip

That would be much appreciated...

item.add(new AttributeAppender(class, true, new Model(tab+index),  ));

On 7/4/07, Igor Vaynberg [EMAIL PROTECTED] wrote:


On 7/4/07, Erik Dreyer [EMAIL PROTECTED] wrote:

 Hi,

 I'm trying to update the provided TabbedPanel to be able to provide a
 new CSS style to each tab so I can control the color of each tab.

 I tried subclassing TabbedPanel and adding this method:

  @Override
 protected void onBeforeRender() {
 super.onBeforeRender();

 // get each tab and add a style
 for (int i = 0; i  getTabs().size(); i++) {
 Component tab = get(tabs-container:tabs: + i);
 tab.add(new AttributeAppender(class, true, new
 Model(tab+i),  ));
 }
 }

 This doesn't work (Null Pointer) because this method gets called before
 the actual tabs are added.  I tried using onAfterRender().  This time the
 tabs exist, but I can't modify the hierarchy during rendering.

 Is there a way I can accomplish what I want without forking the
 TabbedPanel class?


the short answer is: you cannot.

the point of tabbedpanel is to encapsulate a lot of these details so you
do not have to worry about it. the ease of use comes at a price - not
everything is customizable to everyone's content.

so there are two options to solve this

a) you can roll your own tabbed panel (which in wicket is not very hard,
the original has about 30-40 lines of code that make it tick?

b) we can add this functionality to the tabbed pael in core, making it a
bit more bloated.

i dont mind (b) if its just adding tab1, tab2 class attributes.

-igor



Thanks for your help,
 Erik


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Re: [Wicket-user] Dataview and panels

2007-07-04 Thread Ed _


Maybe this helps---|   _Prev /1/2/Next_ ||| 
  P1  | | P2 |  ||   -  ---  ||   _ 
   |
||   P3  | | P4 |  |
|   -  ---  ||   _    |
||   P5  | | P6 |  |
|   -  ---  ||   _    |
||   P7  | | P8 |  |
|   -  ---  ||   _    |

||   P7  | | P8 |  |

|   -  ---  |
---Where Panels are being rendered based on  a DB 
query - essentially a two column representation instead of a single list that 
most DataView examples show.-edDate: Wed, 4 Jul 2007 19:56:56 -0700From: [EMAIL 
PROTECTED]: [EMAIL PROTECTED]: Re: [Wicket-user] Dataview and panelsOn 7/4/07, 
Ed _ [EMAIL PROTECTED] wrote:





I am trying to render two columns of panels of a given type on a page.I want to 
use the dataview to get the content from the DB and make use of the 
pagenavigation.I want to set up a maximum of 5 panels per column and 
essentially have navigation to the next page if there is more to render.
All examples of Dataview are for tables rendering multiple columns or a given 
type.Is there a better way to think about this to get the desired result. If 
not how would one use DataView to do it.
i cant picture exactly what you want-igor thanks!
edDon't get caught with egg on your face.
Play Chicktionary! 
-This 
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Re: [Wicket-user] Can I get a 'Nice URL' when form validation fails?


Igor,

 hope this helps some

Yep. Helps me to understand how this works. Very clever. Thanks!

Hopefully it will also help Philip, who was asking the questions about
this.


Cheers,
Dave




On Wed, 2007-07-04 at 20:31 -0700, Igor Vaynberg wrote:
 On 7/4/07, David Leangen [EMAIL PROTECTED] wrote:
 
 Thanks, Igor, that makes sense.
 
 But still one more question before I really understand
 onSubmit():
 
 I could have this in my onSubmit:
 
 if( isValidated )
   setResponsePage( PageOne.class );
 else 
   setResponsePage( PageTwo.class );
 
 
 So, what gets sent back in the HttpServletResponse is
 different
 according to the validation of the form (data being sent via
 POST and
 handled in the background by Wicket). 
 
 Are you saying that in either case, the URL would be the same
 (i.e. the
 one generated by Wicket magic and seen in the html of the
 form), but the
 content of reply would be different depending on whether it's
 PageOne or 
 PageTwo?
 
 this is what happens in a nutshell
 
 you pull up a page that has a form, wicket has already generated an
 action url for that form that points back to that page. this url
 cannot be pretty because it points to a specific instance of a page
 wicket holds in session. 
 
 you submit the form, the url in action is invoked and hits the page,
 along with page parameters in post.
 
 lets say validation fails - that means your form.onsubmit() is never
 called. what wicket does is redirect to a url that will render the
 current page again back to the user (it doesnt have to redirect, but
 it does by default - see redirect-after-post pattern for details).
 this url also cannot be pretty because it points to a specific
 instance of a page in session - this is the url you will see when
 validation fails. 
 
 now if validation succeeds and your onsubmit() is called which does
 setresponsepage(MyPage.class) then you will be redirected to a
 pretty url given that MyPage is mounted.
 
 now if you want to maintain pretty url throughout then you might want
 to try using a statelesspage and a stateless form. however, notice
 that you would only be allowed to have stateless components on that
 page (components that do not generate a callback back to themselves -
 images, regular Links, etc) 
 
 
 hope this helps some
 


-
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Download DB2 Express C - the FREE version of DB2 express and take
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Re: [Wicket-user] Dataview and panels