Re: Can Wicket automatically remove beginning and trailing spaces in a text field?
Never done it myself, and don't know if it is a better way to do it, but:
protected IConverterLocator
{
return new ConverterLocator();
}
can be overriden to return your own converter locator and... plug there a
default converter (for Strings?) that will trim strings...
If you want to do this for a particular kind of component, e.g. textareas,
another possibility would be to use a component instantiation listener and
wrap the component model with a trimming model, e.g.
import org.apache.wicket.model.IModel;
import org.apache.wicket.model.Model;
public class TrimmingModel extends ModelString {
private static final long serialVersionUID = 1L;
private IModelString model;
public TrimmingModel(IModelString model) {
this.model = model;
}
@Override
public void setObject(String object) {
if(object != null)
this.model.setObject(object.trim());
this.model.setObject(object);
}
@Override
public String getObject() {
return this.model.getObject();
}
}
Best,
Ernesto
On Fri, Oct 2, 2009 at 5:24 AM, David Chang david_q_zh...@yahoo.com wrote:
How to set it up in a Wicket application? I would like to set it up in the
application level.
Thanks!
-
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Re: Can Wicket automatically remove beginning and trailing spaces in a text field?
It already does that.
FormComponent:
protected T convertValue(String[] value) throws ConversionException
{
return (T)(value != null value.length 0 value[0] != null ?
trim(value[0]) : null);
}
2009/10/2 David Chang david_q_zh...@yahoo.com
How to set it up in a Wicket application? I would like to set it up in the
application level.
Thanks!
-
To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org
For additional commands, e-mail: users-h...@wicket.apache.org
RE: Can Wicket automatically remove beginning and trailing spaces in a text field?
Afaik there is no way to set this behavior by some flag. But
1) You can extend TextField to wrap it's model with model which on
getObject() trim (ie. remove begging and trailing spaces) returning
string if Model's type is Sting (in other cases it doesn't make
sense)... when value is setted into model trimming is done by wicket
(see FormComponent#shouldTrimInput) automatically (in older version you
have to do this manually by overriding FormComponent#convertInput()
method)
2) you can do aspect (AspectJ?) to do the same as 1) - with aspect there
is no need to make new class of TextField's type so there is no need to
change the code base...
3) you can override implementation of coverters
override Application#newConverterLocator() to
protected IConverterLocator newConverterLocator() {
ConverterLocator locator = new ConverterLocator();
locator.set(String.class, new IConverter() {
public Object convertToObject(String value,
Locale locale) {
return convertToString(value,
locale);
}
public String convertToString(Object value,
Locale locale) {
return value.toString().trim();
// see trim() which remove trailing and beginning spaces
}
});
return locator;
}
I didn't test it but you've got the idea... But this solution is really
bad, because if you want to turn off this behaviour (trimming) in some
cases
you can't do it without overriding for example Component#getConverter()
to convert it in default way and it's a mess.
I recommend you to trim it by hand on Model level (make some wrapper
model to do it so) or on tier (layer) where you obtain data (data acces
layer? service level?). It depends on if spaces have some business
meaning. If yes do it on model level otherwise on that layer.
Best wishes
MB
-Original Message-
From: David Chang [mailto:david_q_zh...@yahoo.com]
Sent: Friday, October 02, 2009 5:25 AM
To: users@wicket.apache.org
Subject: Can Wicket automatically remove beginning and trailing spaces
in a text field?
How to set it up in a Wicket application? I would like to set it up in
the application level.
Thanks!
-
To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org
For additional commands, e-mail: users-h...@wicket.apache.org
Re: Can Wicket automatically remove beginning and trailing spaces in a text field?
Why use aspects for 2 when you have IComponentInstantiationListener? All you
have to do is set you components model to use the TrimmingModel pasted
before on the listener. I didn't try it myself but I guess that should work.
Best,
Ernesto
On Fri, Oct 2, 2009 at 10:57 AM, Bernhard Michal
michal.bernh...@tigra.czwrote:
Afaik there is no way to set this behavior by some flag. But
1) You can extend TextField to wrap it's model with model which on
getObject() trim (ie. remove begging and trailing spaces) returning
string if Model's type is Sting (in other cases it doesn't make
sense)... when value is setted into model trimming is done by wicket
(see FormComponent#shouldTrimInput) automatically (in older version you
have to do this manually by overriding FormComponent#convertInput()
method)
2) you can do aspect (AspectJ?) to do the same as 1) - with aspect there
is no need to make new class of TextField's type so there is no need to
change the code base...
3) you can override implementation of coverters
override Application#newConverterLocator() to
protected IConverterLocator newConverterLocator() {
ConverterLocator locator = new ConverterLocator();
locator.set(String.class, new IConverter() {
public Object convertToObject(String value,
Locale locale) {
return convertToString(value,
locale);
}
public String convertToString(Object value,
Locale locale) {
return value.toString().trim();
// see trim() which remove trailing and beginning spaces
}
});
return locator;
}
I didn't test it but you've got the idea... But this solution is really
bad, because if you want to turn off this behaviour (trimming) in some
cases
you can't do it without overriding for example Component#getConverter()
to convert it in default way and it's a mess.
I recommend you to trim it by hand on Model level (make some wrapper
model to do it so) or on tier (layer) where you obtain data (data acces
layer? service level?). It depends on if spaces have some business
meaning. If yes do it on model level otherwise on that layer.
Best wishes
MB
-Original Message-
From: David Chang [mailto:david_q_zh...@yahoo.com]
Sent: Friday, October 02, 2009 5:25 AM
To: users@wicket.apache.org
Subject: Can Wicket automatically remove beginning and trailing spaces
in a text field?
How to set it up in a Wicket application? I would like to set it up in
the application level.
Thanks!
-
To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org
For additional commands, e-mail: users-h...@wicket.apache.org
Re: Can Wicket automatically remove beginning and trailing spaces in a text field?
For this to work, I have to overwrite this method either for each form or write
a custom class extending FormComponent. Correct?
If yes, then it is not what I hope to get. I dont want to do it for each form
or a custom class.
I came from Spring MVC camp. This task is very easy in Spring.
Cheers.
--- On Fri, 10/2/09, Marat Radchenko slonopotamusor...@gmail.com wrote:
From: Marat Radchenko slonopotamusor...@gmail.com
Subject: Re: Can Wicket automatically remove beginning and trailing spaces in
a text field?
To: users@wicket.apache.org
Date: Friday, October 2, 2009, 4:00 AM
It already does that.
FormComponent:
protected T convertValue(String[] value) throws
ConversionException
{
return (T)(value != null value.length 0
value[0] != null ?
trim(value[0]) : null);
}
2009/10/2 David Chang david_q_zh...@yahoo.com
How to set it up in a Wicket application? I would like
to set it up in the
application level.
Thanks!
-
To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org
For additional commands, e-mail: users-h...@wicket.apache.org
-
To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org
For additional commands, e-mail: users-h...@wicket.apache.org
Re: Can Wicket automatically remove beginning and trailing spaces in a text field?
I feel the recommended solutions are complicated.
Thanks.
--- On Fri, 10/2/09, Ernesto Reinaldo Barreiro reier...@gmail.com wrote:
From: Ernesto Reinaldo Barreiro reier...@gmail.com
Subject: Re: Can Wicket automatically remove beginning and trailing spaces in
a text field?
To: users@wicket.apache.org
Date: Friday, October 2, 2009, 5:39 AM
Why use aspects for 2 when you have
IComponentInstantiationListener? All you
have to do is set you components model to use the
TrimmingModel pasted
before on the listener. I didn't try it myself but I guess
that should work.
Best,
Ernesto
On Fri, Oct 2, 2009 at 10:57 AM, Bernhard Michal
michal.bernh...@tigra.czwrote:
Afaik there is no way to set this behavior by some
flag. But
1) You can extend TextField to wrap it's model with
model which on
getObject() trim (ie. remove begging and trailing
spaces) returning
string if Model's type is Sting (in other cases it
doesn't make
sense)... when value is setted into model trimming is
done by wicket
(see FormComponent#shouldTrimInput) automatically (in
older version you
have to do this manually by overriding
FormComponent#convertInput()
method)
2) you can do aspect (AspectJ?) to do the same as 1) -
with aspect there
is no need to make new class of TextField's type so
there is no need to
change the code base...
3) you can override implementation of coverters
override Application#newConverterLocator() to
protected IConverterLocator newConverterLocator() {
ConverterLocator locator =
new ConverterLocator();
locator.set(String.class,
new IConverter() {
public Object
convertToObject(String value,
Locale locale) {
return convertToString(value,
locale);
}
public String
convertToString(Object value,
Locale locale) {
return value.toString().trim();
// see trim() which remove trailing and beginning
spaces
}
});
return locator;
}
I didn't test it but you've got the idea... But this
solution is really
bad, because if you want to turn off this behaviour
(trimming) in some
cases
you can't do it without overriding for example
Component#getConverter()
to convert it in default way and it's a mess.
I recommend you to trim it by hand on Model level
(make some wrapper
model to do it so) or on tier (layer) where you obtain
data (data acces
layer? service level?). It depends on if spaces have
some business
meaning. If yes do it on model level otherwise on that
layer.
Best wishes
MB
-Original Message-
From: David Chang [mailto:david_q_zh...@yahoo.com]
Sent: Friday, October 02, 2009 5:25 AM
To: users@wicket.apache.org
Subject: Can Wicket automatically remove beginning and
trailing spaces
in a text field?
How to set it up in a Wicket application? I would like
to set it up in
the application level.
Thanks!
-
To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org
For additional commands, e-mail: users-h...@wicket.apache.org
-
To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org
For additional commands, e-mail: users-h...@wicket.apache.org
Re: Can Wicket automatically remove beginning and trailing spaces in a text field?
Not sure what the fuzz is all about: wicket trims the whitespace
before and after the input by default (like Marat already mentioned in
this thread).
Marat's code example is taken *directly* from Wicket's FormComponent.
You don't have to do anything.
Martijn
On Fri, Oct 2, 2009 at 3:06 PM, David Chang david_q_zh...@yahoo.com wrote:
For this to work, I have to overwrite this method either for each form or
write a custom class extending FormComponent. Correct?
If yes, then it is not what I hope to get. I dont want to do it for each form
or a custom class.
I came from Spring MVC camp. This task is very easy in Spring.
Cheers.
--- On Fri, 10/2/09, Marat Radchenko slonopotamusor...@gmail.com wrote:
From: Marat Radchenko slonopotamusor...@gmail.com
Subject: Re: Can Wicket automatically remove beginning and trailing spaces
in a text field?
To: users@wicket.apache.org
Date: Friday, October 2, 2009, 4:00 AM
It already does that.
FormComponent:
protected T convertValue(String[] value) throws
ConversionException
{
return (T)(value != null value.length 0
value[0] != null ?
trim(value[0]) : null);
}
2009/10/2 David Chang david_q_zh...@yahoo.com
How to set it up in a Wicket application? I would like
to set it up in the
application level.
Thanks!
-
To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org
For additional commands, e-mail: users-h...@wicket.apache.org
-
To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org
For additional commands, e-mail: users-h...@wicket.apache.org
--
Become a Wicket expert, learn from the best: http://wicketinaction.com
Apache Wicket 1.4 increases type safety for web applications
Get it now: http://www.apache.org/dyn/closer.cgi/wicket/1.4.0
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Re: Can Wicket automatically remove beginning and trailing spaces in a text field?
No fuss, just confusion. Thanks for the clarification, which helps not only to
me.
Cheers!
--- On Fri, 10/2/09, Martijn Dashorst martijn.dasho...@gmail.com wrote:
From: Martijn Dashorst martijn.dasho...@gmail.com
Subject: Re: Can Wicket automatically remove beginning and trailing spaces in
a text field?
To: users@wicket.apache.org
Date: Friday, October 2, 2009, 9:19 AM
Not sure what the fuzz is all about:
wicket trims the whitespace
before and after the input by default (like Marat already
mentioned in
this thread).
Marat's code example is taken *directly* from Wicket's
FormComponent.
You don't have to do anything.
Martijn
On Fri, Oct 2, 2009 at 3:06 PM, David Chang david_q_zh...@yahoo.com
wrote:
For this to work, I have to overwrite this method
either for each form or write a custom class extending
FormComponent. Correct?
If yes, then it is not what I hope to get. I dont want
to do it for each form or a custom class.
I came from Spring MVC camp. This task is very easy in
Spring.
Cheers.
--- On Fri, 10/2/09, Marat Radchenko slonopotamusor...@gmail.com
wrote:
From: Marat Radchenko slonopotamusor...@gmail.com
Subject: Re: Can Wicket automatically remove
beginning and trailing spaces in a text field?
To: users@wicket.apache.org
Date: Friday, October 2, 2009, 4:00 AM
It already does that.
FormComponent:
protected T convertValue(String[] value) throws
ConversionException
{
return (T)(value != null value.length
0
value[0] != null ?
trim(value[0]) : null);
}
2009/10/2 David Chang david_q_zh...@yahoo.com
How to set it up in a Wicket application? I
would like
to set it up in the
application level.
Thanks!
-
To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org
For additional commands, e-mail: users-h...@wicket.apache.org
-
To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org
For additional commands, e-mail: users-h...@wicket.apache.org
--
Become a Wicket expert, learn from the best: http://wicketinaction.com
Apache Wicket 1.4 increases type safety for web
applications
Get it now: http://www.apache.org/dyn/closer.cgi/wicket/1.4.0
-
To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org
For additional commands, e-mail: users-h...@wicket.apache.org
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Re: Can Wicket automatically remove beginning and trailing spaces in a text field?
Just one question... on method protected void convertInput() I
see convertValue(getInputAsArray()) is only called if typeName==null,
otherwise IConverter is used. It is always guarantied that trim behavior?
Thanks for your explanations and time!
Cheers,
Ernesto
On Fri, Oct 2, 2009 at 3:19 PM, Martijn Dashorst martijn.dasho...@gmail.com
wrote:
Not sure what the fuzz is all about: wicket trims the whitespace
before and after the input by default (like Marat already mentioned in
this thread).
Marat's code example is taken *directly* from Wicket's FormComponent.
You don't have to do anything.
Martijn
On Fri, Oct 2, 2009 at 3:06 PM, David Chang david_q_zh...@yahoo.com
wrote:
For this to work, I have to overwrite this method either for each form or
write a custom class extending FormComponent. Correct?
If yes, then it is not what I hope to get. I dont want to do it for each
form or a custom class.
I came from Spring MVC camp. This task is very easy in Spring.
Cheers.
--- On Fri, 10/2/09, Marat Radchenko slonopotamusor...@gmail.com
wrote:
From: Marat Radchenko slonopotamusor...@gmail.com
Subject: Re: Can Wicket automatically remove beginning and trailing
spaces in a text field?
To: users@wicket.apache.org
Date: Friday, October 2, 2009, 4:00 AM
It already does that.
FormComponent:
protected T convertValue(String[] value) throws
ConversionException
{
return (T)(value != null value.length 0
value[0] != null ?
trim(value[0]) : null);
}
2009/10/2 David Chang david_q_zh...@yahoo.com
How to set it up in a Wicket application? I would like
to set it up in the
application level.
Thanks!
-
To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org
For additional commands, e-mail: users-h...@wicket.apache.org
-
To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org
For additional commands, e-mail: users-h...@wicket.apache.org
--
Become a Wicket expert, learn from the best: http://wicketinaction.com
Apache Wicket 1.4 increases type safety for web applications
Get it now: http://www.apache.org/dyn/closer.cgi/wicket/1.4.0
-
To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org
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