Re: [Wicket-user] IComponent*POST*InstantiationListener

2007-07-24 Thread Eelco Hillenius
 sometimes I find useful to be able to do some initialization once my
 component is attached to its hierarchy, mainly to be able to call
 getPage(). For example, if there are relevant events along some page
 lifecycle maybe panels contained in it may want to add themselves as
 listeners: ((MyPage)getPage()).addMyEventListener(this).

 Or maybe a model is attached to the page and you don't want to pass it
 deep down the hierarchy but just obtain it from the page when needed.

 For now I'm just visiting page components first time the page is
 attached (that is, I'm overriding onAttach).

 This implementation is fine but maybe the aforementioned event should
 be a provided, standard one. What do you think about it?

Erm, how would you implement that? :)

I think you should use IComponentOnBeforeRenderListener in this case
(and note there is also IComponentOnAfterRenderListener).

Eelco

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Re: [Wicket-user] WicketTester and mocking up next page rendered.

2007-07-24 Thread Timo Rantalaiho
On Fri, 20 Jul 2007, Craig Lenzen wrote:
 And how are you overriding the goToPageB method in the test?  Using
 WicketTester you never actually create an instance of PageB, that is you as
 the developer.

Like this, in 1.3

wicket.startPage(new ITestPageSource(){
public Page getTestPage() {
return new PageA()...
}

though I'm not sure if it's in 1.2.

There's also TestPanelSource that you can use 
similarly with startPanel.

- Timo

-- 
Timo Rantalaiho   
Reaktor Innovations OyURL: http://www.ri.fi/ 

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Re: [Wicket-user] Regarding Wicket with Dynamic Data

2007-07-24 Thread Edi

i am the newbie of wicket, so please provide some more hints to do the above
problem


Oleg Taranenko-2 wrote:
 
 Hello Edi,
 
 please visit www.databinder.net
 
 if you still have questions, welcome.
 
 Cheers,
 
 
 
 Monday, July 23, 2007, 2:24:47 PM, you wrote:
 
 
 Hi,
 
 my database is mssql/oracle or any.
 Consider I have one table name username and address. In table, I have 10
 username and its addresses.
 I don't have any design pages for this table.
 
 My aim is, Initially When I click one link, I have to display username
 and
 addressess both textboxes should be displayed and search button also
 should
 be displayed. 
 
 Is it possible? without declaring field id's(username, password), how can
 I
 display all the fiedls from DB?
 
 Please send your suggestions.
 
 Thanking You.
 Regards,
 Edi
 
  
 
 
 
 -- 
 Best regards,
  Olegmailto:[EMAIL PROTECTED]
 
 
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[Wicket-user] Panels with Scrollbar

2007-07-24 Thread Benjamin Ernst

Hi everybody,

I am new to wicket and I am wondering if ther is an Panel-Componet with a
scrollbar, so that I can scroll inside a website. Or do I have to use Frames
for this? (I dont really like Frames)

Thanks in advance,

Benjamin
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Re: [Wicket-user] Panels with Scrollbar

2007-07-24 Thread Matej Knopp
It's a css thing rather then wicket related. You need to use overflow:
scroll or overflow: auto in the div style to show scrollbars when the
content is too big.

-Matej

On 7/24/07, Benjamin Ernst [EMAIL PROTECTED] wrote:

 Hi everybody,

 I am new to wicket and I am wondering if ther is an Panel-Componet with a
 scrollbar, so that I can scroll inside a website. Or do I have to use Frames
 for this? (I dont really like Frames)

 Thanks in advance,

 Benjamin
 --
 View this message in context: 
 http://www.nabble.com/Panels-with-Scrollbar-tf4134758.html#a11759731
 Sent from the Wicket - User mailing list archive at Nabble.com.


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Re: [Wicket-user] Wicket with JExcel

2007-07-24 Thread Edi

i have found A1,B1

I have downloaded your source, but
In createLoop, i got null pointer exception

java.lang.NullPointerException
 at
com.enterra.vrm.qst.ui.page.reports.validatexl.AppletBasePanel.createLoop(AppletBasePanel.java:334)

Is there any exception hadler you added. 


Ayodeji Aladejebi wrote:
 
 I really dint get your question but from what i interpreted,
 if you want an easy way to map between the Cell values and thier names
 then,
 
 develop an interpreting matrix that maps A1, A2, B1 to the 2-Dimension
 model
 array that contains the values,
 
 For columns, you have A,B,C,D,E..AA (there is a common algorithm on
 how
 to generate this from 1,2,3,4,5...)
 For rows, you have the 1,2,3,4,.
 
 Then you have Cell[row][col] array or IModel[row][col] or
 TextField[row][col], any one you choose,
 
 then when you need the value of B4, then your interpreter translates it to
 Column 2, Row 4
 
 ?
 
 On 7/17/07, Edi [EMAIL PROTECTED] wrote:


 Hello Ayodeji Aladejebi,

 Thank you so much for your kind consideration regarding paginations.
 and my question is how to find the each cell name.

 for. eg. First cell name is A1 in the xl sheet, and its value may be
 integer/float/general. I want to get the cell name A1 and it's value.

 (we already get the value and displayed)

 Hope you understand my question.

 Thanking you.

 Regards,
 Edi



 Ayodeji Aladejebi wrote:
 
  hi Edi,
 
  Concerning your question on Horizontal and vertical paging strategy, it
  wont
  be quite simple as ABC, i havent gotten time to do it but when i am
 less
  busy i will work on it.
 
  i dint also pick your question on A1, B2, C1? you want to change it?,
 
  On 7/16/07, Edi [EMAIL PROTECTED] wrote:
 
 
  Hi, How to find each xl cell name,
 
  Eg. A1, B2, C1 etc
 
 
 
  Ayodeji Aladejebi wrote:
  
   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 

Re: [Wicket-user] IComponent*POST*InstantiationListener

2007-07-24 Thread Carlos Pita
 Erm, how would you implement that?

I'm overriding onAttach and setting a flag for doing initialization
just during the first attachment. Is this wrong?

 I think you should use IComponentOnBeforeRenderListener in this case

Still, I would have to keep the is first time? check, wouldn't I? I
think that's the mistmatch between current events and sort of
postinitialization: they are executed upon every request.

Cheers,
Carlos


 (and note there is also IComponentOnAfterRenderListener).

 Eelco

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Re: [Wicket-user] Custom session not working...

2007-07-24 Thread spencer.c

Thanks Eelco, that did the trick.

Couple of follow up questions/comments that anyone can field:
1) I understand why you would want a stateless application, however I don't
understand why you would ever want your session to be regenerated on each
request if during the request you specifically set a session value.  It
seems like once you set a session value, the session should become bound. 
Is there a logical reason this isn't the case, or is it just a
technological/implementation reason?  I'm just trying to understand this
better.

2) The location quoted for the live examples
(http://wicketstuff.org/wicket13/) is the one I was looking at, however for
the specific example stateless, it is not possible to view the source code
and/or page files live.  Not sure how the site is maintained, but perhaps
a download link could be added on the examples page to the build that the
live examples demonstrate, by default.  I've got the files now however, so
thanks again!

Best regards,

Spencer 

  

Eelco Hillenius wrote:
 
 I have a custom session class that inherits from WebSession.  I have
 overridden the newSession method in my Application class.  The session is
 getting used during the request, because I initialize some of its values
 in
 its constructor, and they show up when I attach a label to them in a
 page.
 A new session gets created with every request, however, which obviously
 is
 not the desired behavior.  For instance, I have an Integer, and I
 initialize
 it to 1 in the constructor, and increment it before each page display.  I
 always get back a 2 on the page.
 
 It sounds like your page is stateless, and the session instances are
 temporary. As long as a session is not 'bound', you'll get a separate
 instance per request and Wicket won't hold on to heap memory. You can
 force the creation of a session by calling Session#bind, which I think
 you should be able to call from your constructor as well.
 
 Related to this, can someone provide me a download link to the 1.3
 examples?
 The live examples page does not allow you to view the source for the
 stateless example, which seems like it may have some relevant code in it,
 and I cannot find a download link for the 1.3 examples.  The 1.2 examples
 do
 not have that particular example, from what I can tell.
 
 Use http://wicketstuff.org/wicket13/ to look at the examples. The
 wicket-examples site is stale.
 
 As for downloading the examples for 1.3.0, at this time you can best
 get them from SVN directly, or download them from our maven repo at
 http://wicketstuff.org/maven/repository/org/apache/wicket/wicket-examples/1.3.0-SNAPSHOT/
 
 Eelco
 
 

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Re: [Wicket-user] IComponent*POST*InstantiationListener

2007-07-24 Thread Matej Knopp
You can use the component.hasBeenRendererd() method to determine if it
is the first time or not.

-Matej

On 7/24/07, Carlos Pita [EMAIL PROTECTED] wrote:
  Erm, how would you implement that?

 I'm overriding onAttach and setting a flag for doing initialization
 just during the first attachment. Is this wrong?

  I think you should use IComponentOnBeforeRenderListener in this case

 Still, I would have to keep the is first time? check, wouldn't I? I
 think that's the mistmatch between current events and sort of
 postinitialization: they are executed upon every request.

 Cheers,
 Carlos


  (and note there is also IComponentOnAfterRenderListener).
 
  Eelco
 
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Re: [Wicket-user] Panels with Scrollbar

2007-07-24 Thread Benjamin Ernst
Thank you very much!
That works great.

Benjamin

2007/7/24, Matej Knopp [EMAIL PROTECTED]:

 It's a css thing rather then wicket related. You need to use overflow:
 scroll or overflow: auto in the div style to show scrollbars when the
 content is too big.

 -Matej

 On 7/24/07, Benjamin Ernst [EMAIL PROTECTED] wrote:
 
  Hi everybody,
 
  I am new to wicket and I am wondering if ther is an Panel-Componet with
 a
  scrollbar, so that I can scroll inside a website. Or do I have to use
 Frames
  for this? (I dont really like Frames)
 
  Thanks in advance,
 
  Benjamin
  --
  View this message in context:
 http://www.nabble.com/Panels-with-Scrollbar-tf4134758.html#a11759731
  Sent from the Wicket - User mailing list archive at Nabble.com.
 
 
 
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Re: [Wicket-user] About to use Wicket. ORM?

2007-07-24 Thread Evan Chooly
Except the question wasn't about learning.  It's about being productive.
And too often NIH is the anti-productivity pill.  Don't want a feature?
Don't use it.  Wicket offers a lot that I don't use but I'd have to crazy
not to use it because of that.

On 7/24/07, davor-x [EMAIL PROTECTED] wrote:


 I'm making software for  10 years now. And I dont use / like orm. But
 that's
 me. I hate everything that's bloated with features. I hope wicket will not
 add new features in it's core. For my use, I've build a kind of my inhouse
 orm, I want to view the same data in, say a browsable and selectable list
 and then in a crud form - synchonized. The best and only way of learning -
 for me - is: DIY.

 --
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Re: [Wicket-user] About to use Wicket. ORM?

2007-07-24 Thread Evan Chooly
On 7/23/07, James Law [EMAIL PROTECTED] wrote:

 Hi Matthias, my 2 cents on orm.
 As far as which orm/persistence tool, I think a good strategy that I
 follow is to use them all!
 Really though, I categorize data access into multiple categories

 1. Lots of insert/update stuff use cases, where you want to modify a
 domain model, put bus logic on domain objects, and not think in terms of
 rows, but instead modify an object model and let hibernate see your
 changes --- use hibernate

 2. Get queries on the screen fast (no need for persistence context, or
 changes to the objects)
 think ibatis, or spring jdbc.

 I love hibernate, but for complex queries, I think it at times can
 require too much understanding of the black box. Like how are my
 many-one setup, is it cached, outer joined, or ?.

 I accomplish this matrix approach using spring.. since it allows me to
 use both and still have transactions, and one stop shopping for managing
 datasource with all of these tools...


I agree.  Here at my current job, we're doing a mix of both approaches where
we have a number of domain objects managed by Spring/Hibernate/JPA but then
we have a number of dynamically generated queries that don't really equate
to domain objects.  For those we're using straight SQL to (hopefully)
quickly pull that data out of the database.  If you want to use hibernate
and wicket, there's the databinder which has a number of nice
Hibernate-related components to use to help manage your models and the like
and there's qwicket that'll help you generate the base spring/wicket setup
for you if you choose to use spring.

If you go with hibernate, I'd recommend sticking as close to pure JPA as
you can so that you're not necessarily tied to hibernate but get the
benefits of an ORM.  You can still drop to native SQL if you'd like using
the JPA interfaces.
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Re: [Wicket-user] About to use Wicket. ORM?

2007-07-24 Thread davor-x

I'm making software for  10 years now. And I dont use / like orm. But that's
me. I hate everything that's bloated with features. I hope wicket will not
add new features in it's core. For my use, I've build a kind of my inhouse
orm, I want to view the same data in, say a browsable and selectable list
and then in a crud form - synchonized. The best and only way of learning -
for me - is: DIY.

-- 
View this message in context: 
http://www.nabble.com/About-to-use-Wicket.-ORM--tf4131916.html#a11764361
Sent from the Wicket - User mailing list archive at Nabble.com.


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Re: [Wicket-user] Custom session not working...

2007-07-24 Thread Igor Vaynberg
On 7/24/07, spencer.c [EMAIL PROTECTED] wrote:


 Thanks Eelco, that did the trick.

 Couple of follow up questions/comments that anyone can field:
 1) I understand why you would want a stateless application, however I
 don't
 understand why you would ever want your session to be regenerated on each
 request if during the request you specifically set a session value.  It
 seems like once you set a session value, the session should become bound.
 Is there a logical reason this isn't the case, or is it just a
 technological/implementation reason?  I'm just trying to understand this
 better.


after you set the value on the session did you call session.dirty() to let
wicket know you have done that? i think dirty() will bind the session as
well.

-igor




2) The location quoted for the live examples
 (http://wicketstuff.org/wicket13/) is the one I was looking at, however
 for
 the specific example stateless, it is not possible to view the source
 code
 and/or page files live.  Not sure how the site is maintained, but
 perhaps
 a download link could be added on the examples page to the build that the
 live examples demonstrate, by default.  I've got the files now however, so
 thanks again!

 Best regards,

 Spencer



 Eelco Hillenius wrote:
 
  I have a custom session class that inherits from WebSession.  I have
  overridden the newSession method in my Application class.  The session
 is
  getting used during the request, because I initialize some of its
 values
  in
  its constructor, and they show up when I attach a label to them in a
  page.
  A new session gets created with every request, however, which obviously
  is
  not the desired behavior.  For instance, I have an Integer, and I
  initialize
  it to 1 in the constructor, and increment it before each page
 display.  I
  always get back a 2 on the page.
 
  It sounds like your page is stateless, and the session instances are
  temporary. As long as a session is not 'bound', you'll get a separate
  instance per request and Wicket won't hold on to heap memory. You can
  force the creation of a session by calling Session#bind, which I think
  you should be able to call from your constructor as well.
 
  Related to this, can someone provide me a download link to the 1.3
  examples?
  The live examples page does not allow you to view the source for the
  stateless example, which seems like it may have some relevant code in
 it,
  and I cannot find a download link for the 1.3 examples.  The 1.2examples
  do
  not have that particular example, from what I can tell.
 
  Use http://wicketstuff.org/wicket13/ to look at the examples. The
  wicket-examples site is stale.
 
  As for downloading the examples for 1.3.0, at this time you can best
  get them from SVN directly, or download them from our maven repo at
 
 http://wicketstuff.org/maven/repository/org/apache/wicket/wicket-examples/1.3.0-SNAPSHOT/
 
  Eelco
 
 

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Re: [Wicket-user] localhost/wicketApp works fine, PC_NAME/wicketApp throws page expire.

2007-07-24 Thread Francisco Diaz Trepat - gmail
I see the questions didn't have anything to do with it.
just protocol bs...

anyways.

f(t)

On 7/20/07, Francisco Diaz Trepat - gmail [EMAIL PROTECTED]
wrote:

 Tomcat, ie7, safari, and firefox. and wicket 1.3 beta 2.


 On 7/20/07, Sean Sullivan [EMAIL PROTECTED]  wrote:
 
  Which web browser?  Which version of wicket?  Which app server?
 
 
 
  On 7/20/07, Francisco Diaz Trepat - gmail 
  [EMAIL PROTECTED]
  wrote:
  
   Hi has anyone has had this problem before?
  
   I have a page and everything works fine. but when I click on a link at
  the
   home page only works (goes to the page) if I am at localhost:// etc.
  even
   on
   my own computer.
  
  
  
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Re: [Wicket-user] Custom session not working...

2007-07-24 Thread Eelco Hillenius
 Couple of follow up questions/comments that anyone can field:
 1) I understand why you would want a stateless application, however I don't
 understand why you would ever want your session to be regenerated on each
 request if during the request you specifically set a session value.  It
 seems like once you set a session value, the session should become bound.
 Is there a logical reason this isn't the case, or is it just a
 technological/implementation reason?  I'm just trying to understand this
 better.

Like Igor said, calling dirty when you set a value should do the
trick. If it doesn't it's a bug :)

 2) The location quoted for the live examples
 (http://wicketstuff.org/wicket13/) is the one I was looking at, however for
 the specific example stateless, it is not possible to view the source code
 and/or page files live.  Not sure how the site is maintained, but perhaps
 a download link could be added on the examples page to the build that the
 live examples demonstrate, by default.  I've got the files now however, so
 thanks again!

Ah, ok. That example doesn't use the header all the other examples use
because that header would make it statefull :) Could probably be
fixed, but atm it's a bit too much trouble.

Cheers,

Eelco

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Re: [Wicket-user] Regarding Wicket with Dynamic Data

2007-07-24 Thread Oleg Taranenko
Hello Edi,

As I you understand right you need to work with different (or may be
not determined) databases. You should using some kind of object relation
mapping tools. Most popular is Hibernate. Databinder binds Wicket and
Hibernate and hope it can satisfy your needs. You but should have some
background in ORM in common and in Hibernate particulary.

Could you please specify more what do you need?



Tuesday, July 24, 2007, 11:00:57 AM, you wrote:

 i am the newbie of wicket, so please provide some more hints to do the above
 problem


 Oleg Taranenko-2 wrote:
 
 Hello Edi,
 
 please visit www.databinder.net
 
 if you still have questions, welcome.
 
 Cheers,
 
 
 
 Monday, July 23, 2007, 2:24:47 PM, you wrote:
 
 
 Hi,
 
 my database is mssql/oracle or any.
 Consider I have one table name username and address. In table, I have 10
 username and its addresses.
 I don't have any design pages for this table.
 
 My aim is, Initially When I click one link, I have to display username
 and
 addressess both textboxes should be displayed and search button also
 should
 be displayed. 
 
 Is it possible? without declaring field id's(username, password), how can
 I
 display all the fiedls from DB?
 
 Please send your suggestions.
 
 Thanking You.
 Regards,
 Edi
 
  
 
 
 
 -- 
 Best regards,
  Olegmailto:[EMAIL PROTECTED]
 
 
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Re: [Wicket-user] Wicket with JExcel

2007-07-24 Thread Ayodeji Aladejebi
wait i have an update and will surely upload it for you

On 7/24/07, Edi [EMAIL PROTECTED] wrote:


 i have found A1,B1

 I have downloaded your source, but
 In createLoop, i got null pointer exception

 java.lang.NullPointerException
  at
 com.enterra.vrm.qst.ui.page.reports.validatexl.AppletBasePanel.createLoop(
 AppletBasePanel.java:334)

 Is there any exception hadler you added.


 Ayodeji Aladejebi wrote:
 
  I really dint get your question but from what i interpreted,
  if you want an easy way to map between the Cell values and thier names
  then,
 
  develop an interpreting matrix that maps A1, A2, B1 to the 2-Dimension
  model
  array that contains the values,
 
  For columns, you have A,B,C,D,E..AA (there is a common algorithm on
  how
  to generate this from 1,2,3,4,5...)
  For rows, you have the 1,2,3,4,.
 
  Then you have Cell[row][col] array or IModel[row][col] or
  TextField[row][col], any one you choose,
 
  then when you need the value of B4, then your interpreter translates it
 to
  Column 2, Row 4
 
  ?
 
  On 7/17/07, Edi [EMAIL PROTECTED] wrote:
 
 
  Hello Ayodeji Aladejebi,
 
  Thank you so much for your kind consideration regarding paginations.
  and my question is how to find the each cell name.
 
  for. eg. First cell name is A1 in the xl sheet, and its value may be
  integer/float/general. I want to get the cell name A1 and it's value.
 
  (we already get the value and displayed)
 
  Hope you understand my question.
 
  Thanking you.
 
  Regards,
  Edi
 
 
 
  Ayodeji Aladejebi wrote:
  
   hi Edi,
  
   Concerning your question on Horizontal and vertical paging strategy,
 it
   wont
   be quite simple as ABC, i havent gotten time to do it but when i am
  less
   busy i will work on it.
  
   i dint also pick your question on A1, B2, C1? you want to change it?,
  
   On 7/16/07, Edi [EMAIL PROTECTED] wrote:
  
  
   Hi, How to find each xl cell name,
  
   Eg. A1, B2, C1 etc
  
  
  
   Ayodeji Aladejebi wrote:
   
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
 

Re: [Wicket-user] Custom session not working...

2007-07-24 Thread spencer.c

Alright, so from what you guys have said, I think there is a bug.

I had not called session.dirty() before, but since that sounded reasonable,
I took out the call to session.bind() and updated my property setter so that
after it set the value, it called dirty.  In this simple case:
public Integer getX() { return this.x; }

public void setX(Integer x) {
this.x = x;
this.dirty();
}

In an otherwise stateless page, I have the following code:

public Index(final PageParameters parameters) {
...
MySession s = (MySession) MySession.get();
s.setX( s.getX()+1 );

add(new Label(xlabel, new Model(s.getX(;
...
}


The expectation is that the value will increment with each refresh.  In
reality, a new session gets created for each request, and the value remains
the same.  So I think that dirty() is not working when there is no state
already established?  When I add the session.bind() in the application's
newSession() method, everything works as expected.

Hope this is helpful.

Spencer




igor.vaynberg wrote:
 
 On 7/24/07, spencer.c [EMAIL PROTECTED] wrote:


 Thanks Eelco, that did the trick.

 Couple of follow up questions/comments that anyone can field:
 1) I understand why you would want a stateless application, however I
 don't
 understand why you would ever want your session to be regenerated on each
 request if during the request you specifically set a session value.  It
 seems like once you set a session value, the session should become bound.
 Is there a logical reason this isn't the case, or is it just a
 technological/implementation reason?  I'm just trying to understand this
 better.
 
 
 after you set the value on the session did you call session.dirty() to let
 wicket know you have done that? i think dirty() will bind the session as
 well.
 
 -igor
 
 
 
 
 2) The location quoted for the live examples
 (http://wicketstuff.org/wicket13/) is the one I was looking at, however
 for
 the specific example stateless, it is not possible to view the source
 code
 and/or page files live.  Not sure how the site is maintained, but
 perhaps
 a download link could be added on the examples page to the build that the
 live examples demonstrate, by default.  I've got the files now however,
 so
 thanks again!

 Best regards,

 Spencer



 Eelco Hillenius wrote:
 
  I have a custom session class that inherits from WebSession.  I have
  overridden the newSession method in my Application class.  The session
 is
  getting used during the request, because I initialize some of its
 values
  in
  its constructor, and they show up when I attach a label to them in a
  page.
  A new session gets created with every request, however, which
 obviously
  is
  not the desired behavior.  For instance, I have an Integer, and I
  initialize
  it to 1 in the constructor, and increment it before each page
 display.  I
  always get back a 2 on the page.
 
  It sounds like your page is stateless, and the session instances are
  temporary. As long as a session is not 'bound', you'll get a separate
  instance per request and Wicket won't hold on to heap memory. You can
  force the creation of a session by calling Session#bind, which I think
  you should be able to call from your constructor as well.
 
  Related to this, can someone provide me a download link to the 1.3
  examples?
  The live examples page does not allow you to view the source for the
  stateless example, which seems like it may have some relevant code in
 it,
  and I cannot find a download link for the 1.3 examples.  The
 1.2examples
  do
  not have that particular example, from what I can tell.
 
  Use http://wicketstuff.org/wicket13/ to look at the examples. The
  wicket-examples site is stale.
 
  As for downloading the examples for 1.3.0, at this time you can best
  get them from SVN directly, or download them from our maven repo at
 
 http://wicketstuff.org/maven/repository/org/apache/wicket/wicket-examples/1.3.0-SNAPSHOT/
 
  Eelco
 
 

 --
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Re: [Wicket-user] question about pretty URLs

2007-07-24 Thread Igor Vaynberg
mount your homepage with indexedurlcodingstrategy

-igor


On 7/24/07, verbal evasion [EMAIL PROTECTED] wrote:

 i am trying to do something and i dont know if its possible in wicket. in
 a
 framework like django (djangoproject.com), i can do stuff like have
 http://www.mysite.com/username where username can be anything. then it
 will point to a particular page and use the URL as an argument. i am
 creating user profile pages and i would like to let people navigate to
 them
 that way.

 thanks,

 verbal
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Re: [Wicket-user] Custom session not working...

2007-07-24 Thread Eelco Hillenius
On 7/24/07, spencer.c [EMAIL PROTECTED] wrote:

 Alright, so from what you guys have said, I think there is a bug.

Darn! :) Could you open an issue please? I'll look into it asap.

Eelco

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Re: [Wicket-user] Custom session not working...

2007-07-24 Thread Matej Knopp
You need to call session.bind().

We've been discussing this many times. It's no good to make
session.dirty() bind the session, because it's called internally even
on sessions that should not be bound.

-Matej

On 7/24/07, Eelco Hillenius [EMAIL PROTECTED] wrote:
 On 7/24/07, spencer.c [EMAIL PROTECTED] wrote:
 
  Alright, so from what you guys have said, I think there is a bug.

 Darn! :) Could you open an issue please? I'll look into it asap.

 Eelco

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Re: [Wicket-user] Custom session not working...

2007-07-24 Thread Matej Knopp
On 7/24/07, spencer.c [EMAIL PROTECTED] wrote:

 Thanks Eelco, that did the trick.

 Couple of follow up questions/comments that anyone can field:
 1) I understand why you would want a stateless application, however I don't
 understand why you would ever want your session to be regenerated on each
 request if during the request you specifically set a session value.  It
 seems like once you set a session value, the session should become bound.
 Is there a logical reason this isn't the case, or is it just a
 technological/implementation reason?  I'm just trying to understand this
 better.
It's because wicket uses the session object internally, and it can't
function without having at least a temporary session. While I
understand this is not the most intuitive solution for users, changing
this behavior would require a massive change to wicket, something
which we can't do now due to the 1.3 release.

If you have changed your session state you might want to call the
bind() method on session explicitly.

-Matej

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Re: [Wicket-user] modal window image resources

2007-07-24 Thread NateBot2000


NateBot20002 wrote:
 
 Can you explain how the image resources in the ModalWindow package work?
 

Here is an answer to this question:

http://www.thinksharp.org/?cat=16 http://www.thinksharp.org/?cat=16 

NateBot2000
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Re: [Wicket-user] Custom session not working...

2007-07-24 Thread Eelco Hillenius
 You need to call session.bind().

 We've been discussing this many times. It's no good to make
 session.dirty() bind the session, because it's called internally even
 on sessions that should not be bound.



On 7/24/07, Matej Knopp [EMAIL PROTECTED] wrote:
 You need to call session.bind().

 We've been discussing this many times. It's no good to make
 session.dirty() bind the session, because it's called internally even
 on sessions that should not be bound.

You are right. But we do have a problem here. Maybe we should revisit
this code and specify what the dirty bit actually should mean. If even
we devs can't agree on it, what can we expect from our users?

Originally, the idea behind dirty was to be able to detect when we
needed to flush changes to the session (i.e. set the session as an
attribute on the http session) so that a cluster could be notified.
When this bit was introduced (pre 1.1 I believe), Wicket didn't have a
stateless mode, so that wasn't a consideration back then.

The code now:

if (dirty)
{
this.dirty = false;
setAttribute(SESSION_ATTRIBUTE_NAME, this);
}

seems to be exactly that. But this doesn't make sense when the session
is not bound anyway! Also, I know there are quite a few methods
calling Session#dirty, but I wonder if they all do it for the good
reasons.

The problem with explicitly calling bind is that the session store's
bind implementation is called as well. Maybe that implementation
should do some more checking whether the session was already bound or
not.

Eelco

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Re: [Wicket-user] Custom session not working...

2007-07-24 Thread spencer.c

Sorry Matej, I opened the bug per Eelco's request before receiving your two
responses.  

I will close the issue, since it sounds like this has been discussed before,
and there are technical reasons for it staying as is.  I guess this is just
a confirmation that it not intuitive to the uninitiated user, and might be
something to keep in mind for future change.  In any case, we have known
workaround, so no big deal.

Best regards,

Spencer




Matej Knopp-2 wrote:
 
 On 7/24/07, spencer.c [EMAIL PROTECTED] wrote:
 

 Couple of follow up questions/comments that anyone can field:
 1) I understand why you would want a stateless application, however I
 don't
 understand why you would ever want your session to be regenerated on each
 request if during the request you specifically set a session value.  It
 seems like once you set a session value, the session should become bound.
 Is there a logical reason this isn't the case, or is it just a
 technological/implementation reason?  I'm just trying to understand this
 better.
 It's because wicket uses the session object internally, and it can't
 function without having at least a temporary session. While I
 understand this is not the most intuitive solution for users, changing
 this behavior would require a massive change to wicket, something
 which we can't do now due to the 1.3 release.
 
 If you have changed your session state you might want to call the
 bind() method on session explicitly.
 
 -Matej
 
 

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Re: [Wicket-user] Custom session not working...

2007-07-24 Thread Eelco Hillenius
On 7/24/07, spencer.c [EMAIL PROTECTED] wrote:

 Sorry Matej, I opened the bug per Eelco's request before receiving your two
 responses.

 I will close the issue, since it sounds like this has been discussed before,
 and there are technical reasons for it staying as is.  I guess this is just
 a confirmation that it not intuitive to the uninitiated user, and might be
 something to keep in mind for future change.  In any case, we have known
 workaround, so no big deal.

We need to at least look at how multiple calls to #bind go though. I
think it currently just bluntly keep re-registering. Probably not a
big deal, but not right either.

Eelco

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Re: [Wicket-user] modal window image resources

2007-07-24 Thread Matej Knopp
There is more of it in the archives, this one might be most relevant

http://www.nabble.com/Magic-to-replace-ModalWindow-images-tf3811156.html#a10788038

-Matej

On 7/24/07, NateBot2000 [EMAIL PROTECTED] wrote:


 NateBot20002 wrote:
 
  Can you explain how the image resources in the ModalWindow package work?
 

 Here is an answer to this question:

 http://www.thinksharp.org/?cat=16 http://www.thinksharp.org/?cat=16

 NateBot2000
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[Wicket-user] Midway between border and listview

2007-07-24 Thread Carlos Pita
Hi all,
how can I write a container with associated markup that takes some
markup (as a border) and repeats it (as a repeater). If I use a
ListView I lose the associated markup. If I use a Border I don't know
how to get its body repeated (a Border body inside a ListView doesn't
seem to work). For now I'm passing a fragment factory to the
container, so it can add a new fragment to every item of an internal
ListView, that's fine but it's just a bit cumbersome.
Thank you in advance.
Cheers,
Carlos

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[Wicket-user] Wicket Excel Example

2007-07-24 Thread Ayodeji Aladejebi

Hi Edi,


I have an excel example that you might like :)

Attach the src.rar to any of your existing excel application and try it

Features Update:
1. You can now write your modifications to disk
2. You can scroll now however, since wicket still lacks support for
scrolling multiple lists with an IPageable instance, its hard to page the
way one pages in Excel application

There are still many bugs though and it only works well with strings and not
numbers yet

the more i can spend time to sit with the JExcel API, the more it can be
improved



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Re: [Wicket-user] Page lifetime in wicket

2007-07-24 Thread Jonathan Locke


a lot of casting there. 

maybe we should make WebApplication.get() return
(WebApplication)Application.get()?


Eelco Hillenius wrote:
 
 By default which temp directory does all the all pages stored into?
 
   public FilePageStore()
   {
   
 this((File)((WebApplication)Application.get()).getServletContext().getAttribute(
   javax.servlet.context.tempdir));
   }
 
 Eelco
 
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Re: [Wicket-user] Page lifetime in wicket

2007-07-24 Thread Eelco Hillenius
 maybe we should make WebApplication.get() return
 (WebApplication)Application.get()?

When we switch to JDK 1.5 we should.

Eelco

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