RE: Struts 2 - Repopulate controls when validation fails

2008-06-30 Thread bob fuller

Setting the s:action's ignoreContextParams to true partially resolves the issue 
I am having. Here's my pseudo jsp now...

s:form name=myAction
s:textfield name=foo0/
s:action name=languages ignoreContextParams=true executeResult=true/
s:textfield name=foo1/
s:submit/
/s:form

Now, the troublesome second invocation of MyAction.setFoo1() is not occurring, 
but my issue is only partially resolved because I still do not understand what 
is happening. What is the relationship between s:action and the s:form it is 
inside that causes MyAction.setFoo1() to be invoked 'again' after s:action is 
finished with its execution?

 From: [EMAIL PROTECTED]
 To: user@struts.apache.org
 Subject: RE: Struts 2 - Repopulate controls when validation fails
 Date: Thu, 26 Jun 2008 19:52:51 +
 
 
 The approach I am taking is from the Struts 2 FAQ...
 
 http://struts.apache.org/2.x/docs/how-do-we-repopulate-controls-when-validation-fails.html
 
 Why should it be avoided?
 
 
  Date: Thu, 26 Jun 2008 08:32:37 +0200
  From: [EMAIL PROTECTED]
  To: user@struts.apache.org
  Subject: Re: Struts 2 - Repopulate controls when validation fails
  
  Hi,
  
  As I know, use of s:action tag should be avoided, the better option is
  to use Preparable interface, you can use prepareMethodName() method
  also.
  http://struts.apache.org/2.x/docs/prepare-interceptor.html
  
  
  Regards
  -- 
  Lukasz
  http://www.lenart.org.pl/
  
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  To unsubscribe, e-mail: [EMAIL PROTECTED]
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  From: [EMAIL PROTECTED]
  To: user@struts.apache.org
  Subject: RE: Struts 2 - Repopulate controls when validation fails
  Date: Thu, 26 Jun 2008 02:17:36 +
  
  
  Trying again to give out my pseudo JSP...
  
  s:form name=myAction
  s:textfield name=foo0/
  s:action name=languages executeResult=true/
  s:textfield name=foo1/
  s:submit/
  /s:form
  
   From: [EMAIL PROTECTED]
   To: user@struts.apache.org
   Subject: Struts 2 - Repopulate controls when validation fails
   Date: Thu, 26 Jun 2008 02:14:28 +
   
   
   I'm following the How do we repopulate controls when validation fails 
   FAQ located at...
   
   http://struts.apache.org/2.x/docs/how-do-we-repopulate-controls-when-validation-fails.html
   
   Of the two methods it suggests I am trying to use the 'action tag' 
   method. Using the simple example from the FAQ works fine, but once I move 
   beyond the simple and try to drop my Languages control inside the  tag 
   of another action I have problems.
   
   Here's my pseudo JSP (note MyAction)...
   
   
   
   
   
   
   
   
   
   MyAction implements validateable and I am validating foo0 and foo1 inside 
   the validate() method. Here's my validate() code...
   
   public void validate() {
   if (foo0 == null || foo0.length() == 0)
 addFieldError(foo0, Foo0 is required);
   else
 foo0 = foo0 +  VALIDATED;
   
   if (foo1 == null || foo1.length() == 0)
 addFieldError(foo1, Foo1 is required);
   else
 foo1 = foo1 +  VALIDATED; 
   }
   
   The important thing to note about my validation code is that when the 
   validation succeeds the data entered by the user is updated with the word 
   VALIDATED. This may seem like an odd thing to do, but it's part of the 
   requirements of the project I'm working on.
   
   Visiting http://localhost/MyAction/myAction_input.action works great. The 
   page draws, foo0 is empty, the languages control has languages to choose 
   from, foo1 is empty, the submit button appears. Submitting the form is 
   when I get into problems. Here are three submit paths and their results...
   
   1. foo0 is empty, foo1 is empty. click submit. RESULT - foo0 is empty. 
   foo1 is empty. SUCCESS!
   2. foo0 = 'A', foo1 is empty. click submit. RESULT - page redraws. foo0 = 
   'A VALIDATED'. foo1 is empty. SUCCESS!
   3. foo0 is empty, foo1 = 'A'. click submit. RESULT - page redraws. foo0 
   is empty. foo1 = 'A'. FAIL! - foo1 should say 'A VALIDATED'
   
   For some reason MyAction.setFoo1() is being invoked *again* after I set 
   foo1 to 'A VALIDATED' in my validate() code. Why is that happening? I 
   know it has something to do with the Languages control that appears 
   before the foo1 text field, because when I remove the Languages control 
   everything works as expected.
   
   Anyone have any ideas about what the Languages control is doing that is 
   causing my foo1 field to get reset to the original submit value? I'd 
   really like to be able to use the 'action tags' approach for repopulating 
   controls, but 'dropping wherever', as suggested in the FAQ (see link 
   above), does not seem to be as easy as it sounds.
   
   Thanks.
   
   
   
   
   
   
   
   
   

   
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Re: Struts 2 - Repopulate controls when validation fails

2008-06-27 Thread Lukasz Lenart
Hi,

2008/6/26 bob fuller [EMAIL PROTECTED]:

 The approach I am taking is from the Struts 2 FAQ...

 http://struts.apache.org/2.x/docs/how-do-we-repopulate-controls-when-validation-fails.html

 Why should it be avoided?

I don't remmeber exactly why, someone on this group mentioned that. In
my opinion, using Preparable interface is a better option, but maybe
I'm wrong ;-)


Regards
-- 
Lukasz
http://www.lenart.org.pl/

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Re: Struts 2 - Repopulate controls when validation fails

2008-06-26 Thread Lukasz Lenart
Hi,

As I know, use of s:action tag should be avoided, the better option is
to use Preparable interface, you can use prepareMethodName() method
also.
http://struts.apache.org/2.x/docs/prepare-interceptor.html


Regards
-- 
Lukasz
http://www.lenart.org.pl/

-
To unsubscribe, e-mail: [EMAIL PROTECTED]
For additional commands, e-mail: [EMAIL PROTECTED]



RE: Struts 2 - Repopulate controls when validation fails

2008-06-26 Thread bob fuller

The approach I am taking is from the Struts 2 FAQ...

http://struts.apache.org/2.x/docs/how-do-we-repopulate-controls-when-validation-fails.html

Why should it be avoided?


 Date: Thu, 26 Jun 2008 08:32:37 +0200
 From: [EMAIL PROTECTED]
 To: user@struts.apache.org
 Subject: Re: Struts 2 - Repopulate controls when validation fails
 
 Hi,
 
 As I know, use of s:action tag should be avoided, the better option is
 to use Preparable interface, you can use prepareMethodName() method
 also.
 http://struts.apache.org/2.x/docs/prepare-interceptor.html
 
 
 Regards
 -- 
 Lukasz
 http://www.lenart.org.pl/
 
 -
 To unsubscribe, e-mail: [EMAIL PROTECTED]
 For additional commands, e-mail: [EMAIL PROTECTED]
 
 From: [EMAIL PROTECTED]
 To: user@struts.apache.org
 Subject: RE: Struts 2 - Repopulate controls when validation fails
 Date: Thu, 26 Jun 2008 02:17:36 +
 
 
 Trying again to give out my pseudo JSP...
 
 s:form name=myAction
 s:textfield name=foo0/
 s:action name=languages executeResult=true/
 s:textfield name=foo1/
 s:submit/
 /s:form
 
  From: [EMAIL PROTECTED]
  To: user@struts.apache.org
  Subject: Struts 2 - Repopulate controls when validation fails
  Date: Thu, 26 Jun 2008 02:14:28 +
  
  
  I'm following the How do we repopulate controls when validation fails FAQ 
  located at...
  
  http://struts.apache.org/2.x/docs/how-do-we-repopulate-controls-when-validation-fails.html
  
  Of the two methods it suggests I am trying to use the 'action tag' method. 
  Using the simple example from the FAQ works fine, but once I move beyond 
  the simple and try to drop my Languages control inside the  tag of 
  another action I have problems.
  
  Here's my pseudo JSP (note MyAction)...
  
  
  
  
  
  
  
  
  
  MyAction implements validateable and I am validating foo0 and foo1 inside 
  the validate() method. Here's my validate() code...
  
  public void validate() {
  if (foo0 == null || foo0.length() == 0)
addFieldError(foo0, Foo0 is required);
  else
foo0 = foo0 +  VALIDATED;
  
  if (foo1 == null || foo1.length() == 0)
addFieldError(foo1, Foo1 is required);
  else
foo1 = foo1 +  VALIDATED;   
  }
  
  The important thing to note about my validation code is that when the 
  validation succeeds the data entered by the user is updated with the word 
  VALIDATED. This may seem like an odd thing to do, but it's part of the 
  requirements of the project I'm working on.
  
  Visiting http://localhost/MyAction/myAction_input.action works great. The 
  page draws, foo0 is empty, the languages control has languages to choose 
  from, foo1 is empty, the submit button appears. Submitting the form is when 
  I get into problems. Here are three submit paths and their results...
  
  1. foo0 is empty, foo1 is empty. click submit. RESULT - foo0 is empty. foo1 
  is empty. SUCCESS!
  2. foo0 = 'A', foo1 is empty. click submit. RESULT - page redraws. foo0 = 
  'A VALIDATED'. foo1 is empty. SUCCESS!
  3. foo0 is empty, foo1 = 'A'. click submit. RESULT - page redraws. foo0 is 
  empty. foo1 = 'A'. FAIL! - foo1 should say 'A VALIDATED'
  
  For some reason MyAction.setFoo1() is being invoked *again* after I set 
  foo1 to 'A VALIDATED' in my validate() code. Why is that happening? I know 
  it has something to do with the Languages control that appears before the 
  foo1 text field, because when I remove the Languages control everything 
  works as expected.
  
  Anyone have any ideas about what the Languages control is doing that is 
  causing my foo1 field to get reset to the original submit value? I'd really 
  like to be able to use the 'action tags' approach for repopulating 
  controls, but 'dropping wherever', as suggested in the FAQ (see link 
  above), does not seem to be as easy as it sounds.
  
  Thanks.
  
  
  
  
  
  
  
  
  
   
  
  _
  The other season of giving begins 6/24/08. Check out the i’m Talkathon.
  http://www.imtalkathon.com?source=TXT_EML_WLH_SeasonOfGiving
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  To unsubscribe, e-mail: [EMAIL PROTECTED]
  For additional commands, e-mail: [EMAIL PROTECTED]
  
 
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Struts 2 - Repopulate controls when validation fails

2008-06-25 Thread bob fuller

I'm following the How do we repopulate controls when validation fails FAQ 
located at...

http://struts.apache.org/2.x/docs/how-do-we-repopulate-controls-when-validation-fails.html

Of the two methods it suggests I am trying to use the 'action tag' method. 
Using the simple example from the FAQ works fine, but once I move beyond the 
simple and try to drop my Languages control inside the  tag of another action 
I have problems.

Here's my pseudo JSP (note MyAction)...









MyAction implements validateable and I am validating foo0 and foo1 inside the 
validate() method. Here's my validate() code...

public void validate() {
if (foo0 == null || foo0.length() == 0)
  addFieldError(foo0, Foo0 is required);
else
  foo0 = foo0 +  VALIDATED;

if (foo1 == null || foo1.length() == 0)
  addFieldError(foo1, Foo1 is required);
else
  foo1 = foo1 +  VALIDATED;   
}

The important thing to note about my validation code is that when the 
validation succeeds the data entered by the user is updated with the word 
VALIDATED. This may seem like an odd thing to do, but it's part of the 
requirements of the project I'm working on.

Visiting http://localhost/MyAction/myAction_input.action works great. The page 
draws, foo0 is empty, the languages control has languages to choose from, foo1 
is empty, the submit button appears. Submitting the form is when I get into 
problems. Here are three submit paths and their results...

1. foo0 is empty, foo1 is empty. click submit. RESULT - foo0 is empty. foo1 is 
empty. SUCCESS!
2. foo0 = 'A', foo1 is empty. click submit. RESULT - page redraws. foo0 = 'A 
VALIDATED'. foo1 is empty. SUCCESS!
3. foo0 is empty, foo1 = 'A'. click submit. RESULT - page redraws. foo0 is 
empty. foo1 = 'A'. FAIL! - foo1 should say 'A VALIDATED'

For some reason MyAction.setFoo1() is being invoked *again* after I set foo1 to 
'A VALIDATED' in my validate() code. Why is that happening? I know it has 
something to do with the Languages control that appears before the foo1 text 
field, because when I remove the Languages control everything works as expected.

Anyone have any ideas about what the Languages control is doing that is causing 
my foo1 field to get reset to the original submit value? I'd really like to be 
able to use the 'action tags' approach for repopulating controls, but 'dropping 
wherever', as suggested in the FAQ (see link above), does not seem to be as 
easy as it sounds.

Thanks.









 

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RE: Struts 2 - Repopulate controls when validation fails

2008-06-25 Thread bob fuller

Trying again to give out my pseudo JSP...

s:form name=myAction
s:textfield name=foo0/
s:action name=languages executeResult=true/
s:textfield name=foo1/
s:submit/
/s:form

 From: [EMAIL PROTECTED]
 To: user@struts.apache.org
 Subject: Struts 2 - Repopulate controls when validation fails
 Date: Thu, 26 Jun 2008 02:14:28 +
 
 
 I'm following the How do we repopulate controls when validation fails FAQ 
 located at...
 
 http://struts.apache.org/2.x/docs/how-do-we-repopulate-controls-when-validation-fails.html
 
 Of the two methods it suggests I am trying to use the 'action tag' method. 
 Using the simple example from the FAQ works fine, but once I move beyond the 
 simple and try to drop my Languages control inside the  tag of another 
 action I have problems.
 
 Here's my pseudo JSP (note MyAction)...
 
 
 
 
 
 
 
 
 
 MyAction implements validateable and I am validating foo0 and foo1 inside the 
 validate() method. Here's my validate() code...
 
 public void validate() {
 if (foo0 == null || foo0.length() == 0)
   addFieldError(foo0, Foo0 is required);
 else
   foo0 = foo0 +  VALIDATED;
 
 if (foo1 == null || foo1.length() == 0)
   addFieldError(foo1, Foo1 is required);
 else
   foo1 = foo1 +  VALIDATED; 
 }
 
 The important thing to note about my validation code is that when the 
 validation succeeds the data entered by the user is updated with the word 
 VALIDATED. This may seem like an odd thing to do, but it's part of the 
 requirements of the project I'm working on.
 
 Visiting http://localhost/MyAction/myAction_input.action works great. The 
 page draws, foo0 is empty, the languages control has languages to choose 
 from, foo1 is empty, the submit button appears. Submitting the form is when I 
 get into problems. Here are three submit paths and their results...
 
 1. foo0 is empty, foo1 is empty. click submit. RESULT - foo0 is empty. foo1 
 is empty. SUCCESS!
 2. foo0 = 'A', foo1 is empty. click submit. RESULT - page redraws. foo0 = 'A 
 VALIDATED'. foo1 is empty. SUCCESS!
 3. foo0 is empty, foo1 = 'A'. click submit. RESULT - page redraws. foo0 is 
 empty. foo1 = 'A'. FAIL! - foo1 should say 'A VALIDATED'
 
 For some reason MyAction.setFoo1() is being invoked *again* after I set foo1 
 to 'A VALIDATED' in my validate() code. Why is that happening? I know it has 
 something to do with the Languages control that appears before the foo1 text 
 field, because when I remove the Languages control everything works as 
 expected.
 
 Anyone have any ideas about what the Languages control is doing that is 
 causing my foo1 field to get reset to the original submit value? I'd really 
 like to be able to use the 'action tags' approach for repopulating controls, 
 but 'dropping wherever', as suggested in the FAQ (see link above), does not 
 seem to be as easy as it sounds.
 
 Thanks.
 
 
 
 
 
 
 
 
 
  
 
 _
 The other season of giving begins 6/24/08. Check out the i’m Talkathon.
 http://www.imtalkathon.com?source=TXT_EML_WLH_SeasonOfGiving
 -
 To unsubscribe, e-mail: [EMAIL PROTECTED]
 For additional commands, e-mail: [EMAIL PROTECTED]
 

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The i’m Talkathon starts 6/24/08.  For now, give amongst yourselves.
http://www.imtalkathon.com?source=TXT_EML_WLH_LearnMore_GiveAmongst