RE: Checkbox Arrays
yes please,, please share
-Original Message-
From: Jeff Trent [mailto:[EMAIL PROTECTED]]
Sent: Thursday, May 10, 2001 9:44 PM
To: [EMAIL PROTECTED]
Subject: Re: Checkbox Arrays
I don't know if this is the right thread. But I just got multibox working
in my app (including preservation of checkbox entries between forwards).
Let me share with you what I have to see if this helps:
in Jsp: (cleanSolutionAreaTypes in an Application-scoped Vector)
tr
td align=left
Solutions Area*
/td
td align=left
logic:iterate id=solutionAreaType name=cleanSolutionAreaTypes
html:multibox property=solutionAreaTypes
bean:write name=solutionAreaType property=id/
/html:multibox
bean:write name=solutionAreaType property=name/br
/logic:iterate
/td
/tr
in Form:
protected String[] solutionAreaTypes = new String[0];
public String[] getSolutionAreaTypes()
{
return solutionAreaTypes;
}
public void setSolutionAreaTypes(String[] solutionAreaTypes)
{
this.solutionAreaTypes = solutionAreaTypes;
}
What was causing me some exceptions was this. I originally used another
application-scoped vector called solutionAreaTypes for other purposes
(like drop-down lists). That Vector contains an entry that has a null ID
value (eg. name = --specify-- value=). This was causing Struts to throw
a non-intuitive exception. I then created another Vector without this entry
in it and everything seems to work fine now. Of course I've only gotten it
to work about 15 minutes ago so I'll let you know later if it really works
;-)
- jeff
- Original Message -
From: Peter Alfors [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Sent: Thursday, May 10, 2001 2:01 PM
Subject: Re: Checkbox Arrays
Try pulling the bean value out into a script variable.
Taglibs cannot be nested within another taglib as an attribute.
Tony Karas wrote:
Yeah - I'm looking at that. My problem now is how to get the value for
each
checkbox. My bean has an id property - so I have tried this kind of
thing:
logic:iterate id=retailer name=retailerForm property=retailers
tr
tdhtml:checkbox name=retailer property=delete
value=bean:write
name=retailer property=id///td
tdbean:write name=retailer property=id//td
tdhtml:text name=retailer property=name//td
/tr
/logic:iterate
But it doesn't like having the bean:write embedded there. Am I missing
something obvious?
Many thanks
Tony
From: Peter Alfors [EMAIL PROTECTED]
Reply-To: [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Subject: Re: Checkbox Arrays
Date: Thu, 10 May 2001 11:09:18 -0500
Im not sure how the ActionForm changes things, but without an
actionform
your
could do this
Each checkbox can have the same name, but a different value.
When the form is submitted, the checkboxes that have been checked are
in
the
request.
You can use the request.getParameterValues(checkBoxName) to retrieve
a
string
array of the values for the checked boxes.
HTH,
Pete
Tony Karas wrote:
Can anyone help with this?
I have an array of checkboxes in my ActionForm represented by
boolean[] delete;
and I have a setter function
public void setDelete( boolean[] values )
{
delete = values;
}
The problem is that I have only checkboxes that are checked get sent
back -
so if one checkbox is checked all I get is an array of length 1.
Therefore,
it is not possible for me to determine which checkbox has been
checked.
In the documentation it tells me to use reset() in ActionForm to
initialise
the values - but this will only work with single checkboxes and not
arrays.
I think I'm stuck. Is there anyway I can determine which checkbox
has
been
checked - maybe I can get the value to differ for each checkbox.
Will
look
in to that.
Cheers
Tony
peter.alfors.vcf
_
Get Your Private, Free E-mail from MSN Hotmail at
http://www.hotmail.com.
RE: Checkbox Arrays
Ah sorry Hal - thanks for your perseverance - I was assuming, mistakenly,
that multibox was something else. I'll take a look at this - cheers.
Tony
From: Deadman, Hal [EMAIL PROTECTED]
Reply-To: [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Subject: RE: Checkbox Arrays
Date: Thu, 10 May 2001 12:20:58 -0400
I posted this same response to your Posting Collections question yesterday.
Here it is again. If you use the html:multibox, you can get back an array
of
key values instead of an array of booleans. They key values can be Longs,
Strings, whatever, as long as it uniquely identifies the row that you want
to know was checked. If you haven't used multibox, it generates an html
checkbox. The array that will be set in your form will only contain the key
values for the rows that were checked.
Here is the post from yesterday:
I think I am doing the same thing that you want to do using the
html:multibox. When the form is submitted you get an array of the ids that
are checked and then you can go delete them.
in the jsp form (where restaurant id is a key for the item being deleted):
logic:iterate id=restaurant name=favoriterestaurants
...
html:multibox property=favoriteRestaurantRemoveList
bean:write property=restaurantId name=restaurant/
/html:multibox
...
/logic:iterate
in the form class:
private Long favoriteRestaurantRemoveList[] = new Long[0];
public Long[] getFavoriteRestaurantRemoveList() {
return (this.favoriteRestaurantRemoveList);
}
public void setFavoriteRestaurantRemoveList(Long
favoriteRestaurantRemoveList[]) {
this.favoriteRestaurantRemoveList = favoriteRestaurantRemoveList;
}
I am not sure if initializing the array to new Long[0] is necessary,
probably not.
-Original Message-
From: Tony Karas [mailto:[EMAIL PROTECTED]]
Sent: Thursday, May 10, 2001 11:52 AM
To: Struts User
Subject: Checkbox Arrays
Can anyone help with this?
I have an array of checkboxes in my ActionForm represented by
boolean[] delete;
and I have a setter function
public void setDelete( boolean[] values )
{
delete = values;
}
The problem is that I have only checkboxes that are checked
get sent back -
so if one checkbox is checked all I get is an array of length
1. Therefore,
it is not possible for me to determine which checkbox has
been checked.
In the documentation it tells me to use reset() in ActionForm
to initialise
the values - but this will only work with single checkboxes
and not arrays.
I think I'm stuck. Is there anyway I can determine which
checkbox has been
checked - maybe I can get the value to differ for each
checkbox. Will look
in to that.
Cheers
Tony
_
Get Your Private, Free E-mail from MSN Hotmail at http://www.hotmail.com.
RE: Checkbox Arrays
I am amazed (and pleased) at your perseverance :-)
From: Deadman, Hal [EMAIL PROTECTED]
Reply-To: [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Subject: RE: Checkbox Arrays
Date: Thu, 10 May 2001 13:35:12 -0400
Don't use the html:checkbox, use html:multibox and use bean:write in the
body of the tag. An html:multibox resolves to an HTML checkbox.
Hal
-Original Message-
From: Tony Karas [mailto:[EMAIL PROTECTED]]
Sent: Thursday, May 10, 2001 12:44 PM
To: [EMAIL PROTECTED]
Subject: Re: Checkbox Arrays
Yeah - I'm looking at that. My problem now is how to get the
value for each
checkbox. My bean has an id property - so I have tried
this kind of
thing:
logic:iterate id=retailer name=retailerForm property=retailers
tr
tdhtml:checkbox name=retailer property=delete
value=bean:write
name=retailer property=id///td
tdbean:write name=retailer property=id//td
tdhtml:text name=retailer property=name//td
/tr
/logic:iterate
But it doesn't like having the bean:write embedded there. Am
I missing
something obvious?
Many thanks
Tony
From: Peter Alfors [EMAIL PROTECTED]
Reply-To: [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Subject: Re: Checkbox Arrays
Date: Thu, 10 May 2001 11:09:18 -0500
Im not sure how the ActionForm changes things, but without
an actionform
your
could do this
Each checkbox can have the same name, but a different value.
When the form is submitted, the checkboxes that have been
checked are in
the
request.
You can use the request.getParameterValues(checkBoxName)
to retrieve a
string
array of the values for the checked boxes.
HTH,
Pete
Tony Karas wrote:
Can anyone help with this?
I have an array of checkboxes in my ActionForm represented by
boolean[] delete;
and I have a setter function
public void setDelete( boolean[] values )
{
delete = values;
}
The problem is that I have only checkboxes that are
checked get sent
back -
so if one checkbox is checked all I get is an array of length 1.
Therefore,
it is not possible for me to determine which checkbox has
been checked.
In the documentation it tells me to use reset() in ActionForm to
initialise
the values - but this will only work with single
checkboxes and not
arrays.
I think I'm stuck. Is there anyway I can determine which
checkbox has
been
checked - maybe I can get the value to differ for each
checkbox. Will
look
in to that.
Cheers
Tony
peter.alfors.vcf
__
___
Get Your Private, Free E-mail from MSN Hotmail at
http://www.hotmail.com.
_
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RE: Checkbox Arrays - Internationalising them?!
Hal,
thanks for your input on multi-box - they are working great!
BUT...I need to get the bean:write internationalized - does anyone know if this
is possible?
ie I want to do a bean:message on the output from a bean:write...
I think this qu has been asked before, but I looked through the archives and
couldn't find it...
Thanks,
Dave
Deadman, Hal [EMAIL PROTECTED] on 05/10/2001
12:20:58 PM
Please respond to [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
cc:(bcc: David Hay/Lex/Lexmark)
Subject: RE: Checkbox Arrays
I posted this same response to your Posting Collections question yesterday.
Here it is again. If you use the html:multibox, you can get back an array of
key values instead of an array of booleans. They key values can be Longs,
Strings, whatever, as long as it uniquely identifies the row that you want
to know was checked. If you haven't used multibox, it generates an html
checkbox. The array that will be set in your form will only contain the key
values for the rows that were checked.
Here is the post from yesterday:
I think I am doing the same thing that you want to do using the
html:multibox. When the form is submitted you get an array of the ids that
are checked and then you can go delete them.
in the jsp form (where restaurant id is a key for the item being deleted):
logic:iterate id=restaurant name=favoriterestaurants
...
html:multibox property=favoriteRestaurantRemoveList
bean:write property=restaurantId name=restaurant/
/html:multibox
...
/logic:iterate
in the form class:
private Long favoriteRestaurantRemoveList[] = new Long[0];
public Long[] getFavoriteRestaurantRemoveList() {
return (this.favoriteRestaurantRemoveList);
}
public void setFavoriteRestaurantRemoveList(Long
favoriteRestaurantRemoveList[]) {
this.favoriteRestaurantRemoveList = favoriteRestaurantRemoveList;
}
I am not sure if initializing the array to new Long[0] is necessary,
probably not.
-Original Message-
From: Tony Karas [mailto:[EMAIL PROTECTED]]
Sent: Thursday, May 10, 2001 11:52 AM
To: Struts User
Subject: Checkbox Arrays
Can anyone help with this?
I have an array of checkboxes in my ActionForm represented by
boolean[] delete;
and I have a setter function
public void setDelete( boolean[] values )
{
delete = values;
}
The problem is that I have only checkboxes that are checked
get sent back -
so if one checkbox is checked all I get is an array of length
1. Therefore,
it is not possible for me to determine which checkbox has
been checked.
In the documentation it tells me to use reset() in ActionForm
to initialise
the values - but this will only work with single checkboxes
and not arrays.
I think I'm stuck. Is there anyway I can determine which
checkbox has been
checked - maybe I can get the value to differ for each
checkbox. Will look
in to that.
Cheers
Tony
RE: Checkbox Arrays - Internationalising them?!
Do you want bean:message to be able to get the key from a bean method? It
doesn't do that now...
Since bean:write is printing the value of a bean property, your bean
property could use the MessageResources class to do the internationalization
in your bean method.
Inside an action you can get the MessageResource object and the Locale
object by calling these methods from the base Action class:
Locale locale = getLocale(request);
MessageResources messages = getResources();
messages.getMessage(locale,some.key,args));
where args is an optional String array.
I am not sure how easy it would be for you to pass the messages and locale
objects into your bean and use them there.
Hal
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]
Sent: Friday, May 11, 2001 2:37 PM
To: [EMAIL PROTECTED]
Subject: RE: Checkbox Arrays - Internationalising them?!
Hal,
thanks for your input on multi-box - they are working great!
BUT...I need to get the bean:write internationalized - does
anyone know if this
is possible?
ie I want to do a bean:message on the output from a bean:write...
I think this qu has been asked before, but I looked through
the archives and
couldn't find it...
Thanks,
Dave
Deadman, Hal [EMAIL PROTECTED]
on 05/10/2001
12:20:58 PM
Please respond to [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
cc:(bcc: David Hay/Lex/Lexmark)
Subject: RE: Checkbox Arrays
I posted this same response to your Posting Collections
question yesterday.
Here it is again. If you use the html:multibox, you can get
back an array of
key values instead of an array of booleans. They key values
can be Longs,
Strings, whatever, as long as it uniquely identifies the row
that you want
to know was checked. If you haven't used multibox, it
generates an html
checkbox. The array that will be set in your form will only
contain the key
values for the rows that were checked.
Here is the post from yesterday:
I think I am doing the same thing that you want to do using the
html:multibox. When the form is submitted you get an array of
the ids that
are checked and then you can go delete them.
in the jsp form (where restaurant id is a key for the item
being deleted):
logic:iterate id=restaurant name=favoriterestaurants
...
html:multibox property=favoriteRestaurantRemoveList
bean:write property=restaurantId name=restaurant/
/html:multibox
...
/logic:iterate
in the form class:
private Long favoriteRestaurantRemoveList[] = new Long[0];
public Long[] getFavoriteRestaurantRemoveList() {
return (this.favoriteRestaurantRemoveList);
}
public void setFavoriteRestaurantRemoveList(Long
favoriteRestaurantRemoveList[]) {
this.favoriteRestaurantRemoveList =
favoriteRestaurantRemoveList;
}
I am not sure if initializing the array to new Long[0] is necessary,
probably not.
-Original Message-
From: Tony Karas [mailto:[EMAIL PROTECTED]]
Sent: Thursday, May 10, 2001 11:52 AM
To: Struts User
Subject: Checkbox Arrays
Can anyone help with this?
I have an array of checkboxes in my ActionForm represented by
boolean[] delete;
and I have a setter function
public void setDelete( boolean[] values )
{
delete = values;
}
The problem is that I have only checkboxes that are checked
get sent back -
so if one checkbox is checked all I get is an array of length
1. Therefore,
it is not possible for me to determine which checkbox has
been checked.
In the documentation it tells me to use reset() in ActionForm
to initialise
the values - but this will only work with single checkboxes
and not arrays.
I think I'm stuck. Is there anyway I can determine which
checkbox has been
checked - maybe I can get the value to differ for each
checkbox. Will look
in to that.
Cheers
Tony
Re: Checkbox Arrays
Im not sure how the ActionForm changes things, but without an actionform your
could do this
Each checkbox can have the same name, but a different value.
When the form is submitted, the checkboxes that have been checked are in the
request.
You can use the request.getParameterValues(checkBoxName) to retrieve a string
array of the values for the checked boxes.
HTH,
Pete
Tony Karas wrote:
Can anyone help with this?
I have an array of checkboxes in my ActionForm represented by
boolean[] delete;
and I have a setter function
public void setDelete( boolean[] values )
{
delete = values;
}
The problem is that I have only checkboxes that are checked get sent back -
so if one checkbox is checked all I get is an array of length 1. Therefore,
it is not possible for me to determine which checkbox has been checked.
In the documentation it tells me to use reset() in ActionForm to initialise
the values - but this will only work with single checkboxes and not arrays.
I think I'm stuck. Is there anyway I can determine which checkbox has been
checked - maybe I can get the value to differ for each checkbox. Will look
in to that.
Cheers
Tony
begin:vcard
n:;
x-mozilla-html:FALSE
org:BRIMG SRC=http://www.irista.com/logo/irista.gif;BRBRFONT Color=#80FONT SIZE=2BBringing Vision to Your Supply Chain
adr:;;
version:2.1
end:vcard
RE: Checkbox Arrays
I posted this same response to your Posting Collections question yesterday.
Here it is again. If you use the html:multibox, you can get back an array of
key values instead of an array of booleans. They key values can be Longs,
Strings, whatever, as long as it uniquely identifies the row that you want
to know was checked. If you haven't used multibox, it generates an html
checkbox. The array that will be set in your form will only contain the key
values for the rows that were checked.
Here is the post from yesterday:
I think I am doing the same thing that you want to do using the
html:multibox. When the form is submitted you get an array of the ids that
are checked and then you can go delete them.
in the jsp form (where restaurant id is a key for the item being deleted):
logic:iterate id=restaurant name=favoriterestaurants
...
html:multibox property=favoriteRestaurantRemoveList
bean:write property=restaurantId name=restaurant/
/html:multibox
...
/logic:iterate
in the form class:
private Long favoriteRestaurantRemoveList[] = new Long[0];
public Long[] getFavoriteRestaurantRemoveList() {
return (this.favoriteRestaurantRemoveList);
}
public void setFavoriteRestaurantRemoveList(Long
favoriteRestaurantRemoveList[]) {
this.favoriteRestaurantRemoveList = favoriteRestaurantRemoveList;
}
I am not sure if initializing the array to new Long[0] is necessary,
probably not.
-Original Message-
From: Tony Karas [mailto:[EMAIL PROTECTED]]
Sent: Thursday, May 10, 2001 11:52 AM
To: Struts User
Subject: Checkbox Arrays
Can anyone help with this?
I have an array of checkboxes in my ActionForm represented by
boolean[] delete;
and I have a setter function
public void setDelete( boolean[] values )
{
delete = values;
}
The problem is that I have only checkboxes that are checked
get sent back -
so if one checkbox is checked all I get is an array of length
1. Therefore,
it is not possible for me to determine which checkbox has
been checked.
In the documentation it tells me to use reset() in ActionForm
to initialise
the values - but this will only work with single checkboxes
and not arrays.
I think I'm stuck. Is there anyway I can determine which
checkbox has been
checked - maybe I can get the value to differ for each
checkbox. Will look
in to that.
Cheers
Tony
Re: Checkbox Arrays
Yeah - I'm looking at that. My problem now is how to get the value for each
checkbox. My bean has an id property - so I have tried this kind of
thing:
logic:iterate id=retailer name=retailerForm property=retailers
tr
tdhtml:checkbox name=retailer property=delete value=bean:write
name=retailer property=id///td
tdbean:write name=retailer property=id//td
tdhtml:text name=retailer property=name//td
/tr
/logic:iterate
But it doesn't like having the bean:write embedded there. Am I missing
something obvious?
Many thanks
Tony
From: Peter Alfors [EMAIL PROTECTED]
Reply-To: [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Subject: Re: Checkbox Arrays
Date: Thu, 10 May 2001 11:09:18 -0500
Im not sure how the ActionForm changes things, but without an actionform
your
could do this
Each checkbox can have the same name, but a different value.
When the form is submitted, the checkboxes that have been checked are in
the
request.
You can use the request.getParameterValues(checkBoxName) to retrieve a
string
array of the values for the checked boxes.
HTH,
Pete
Tony Karas wrote:
Can anyone help with this?
I have an array of checkboxes in my ActionForm represented by
boolean[] delete;
and I have a setter function
public void setDelete( boolean[] values )
{
delete = values;
}
The problem is that I have only checkboxes that are checked get sent
back -
so if one checkbox is checked all I get is an array of length 1.
Therefore,
it is not possible for me to determine which checkbox has been checked.
In the documentation it tells me to use reset() in ActionForm to
initialise
the values - but this will only work with single checkboxes and not
arrays.
I think I'm stuck. Is there anyway I can determine which checkbox has
been
checked - maybe I can get the value to differ for each checkbox. Will
look
in to that.
Cheers
Tony
peter.alfors.vcf
_
Get Your Private, Free E-mail from MSN Hotmail at http://www.hotmail.com.
Re: Checkbox Arrays
the way we solved this was to create a hidden field for each checkbox that
holds the value that would be sent if the checkbox were to be checked. I
then compare the full value array sent by the hidden values with the partial
array sent by the checkboxes to see which ones were checked and which
weren't.
Both of these, of course, are inside a logic:iterate block.
HTH,
- eric
- Original Message -
From: Tony Karas [EMAIL PROTECTED]
To: Struts User [EMAIL PROTECTED]
Sent: Thursday, May 10, 2001 8:52 AM
Subject: Checkbox Arrays
Can anyone help with this?
I have an array of checkboxes in my ActionForm represented by
boolean[] delete;
and I have a setter function
public void setDelete( boolean[] values )
{
delete = values;
}
The problem is that I have only checkboxes that are checked get sent
back -
so if one checkbox is checked all I get is an array of length 1.
Therefore,
it is not possible for me to determine which checkbox has been checked.
In the documentation it tells me to use reset() in ActionForm to
initialise
the values - but this will only work with single checkboxes and not
arrays.
I think I'm stuck. Is there anyway I can determine which checkbox has
been
checked - maybe I can get the value to differ for each checkbox. Will
look
in to that.
Cheers
Tony
RE: Checkbox Arrays
Don't use the html:checkbox, use html:multibox and use bean:write in the
body of the tag. An html:multibox resolves to an HTML checkbox.
Hal
-Original Message-
From: Tony Karas [mailto:[EMAIL PROTECTED]]
Sent: Thursday, May 10, 2001 12:44 PM
To: [EMAIL PROTECTED]
Subject: Re: Checkbox Arrays
Yeah - I'm looking at that. My problem now is how to get the
value for each
checkbox. My bean has an id property - so I have tried
this kind of
thing:
logic:iterate id=retailer name=retailerForm property=retailers
tr
tdhtml:checkbox name=retailer property=delete
value=bean:write
name=retailer property=id///td
tdbean:write name=retailer property=id//td
tdhtml:text name=retailer property=name//td
/tr
/logic:iterate
But it doesn't like having the bean:write embedded there. Am
I missing
something obvious?
Many thanks
Tony
From: Peter Alfors [EMAIL PROTECTED]
Reply-To: [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Subject: Re: Checkbox Arrays
Date: Thu, 10 May 2001 11:09:18 -0500
Im not sure how the ActionForm changes things, but without
an actionform
your
could do this
Each checkbox can have the same name, but a different value.
When the form is submitted, the checkboxes that have been
checked are in
the
request.
You can use the request.getParameterValues(checkBoxName)
to retrieve a
string
array of the values for the checked boxes.
HTH,
Pete
Tony Karas wrote:
Can anyone help with this?
I have an array of checkboxes in my ActionForm represented by
boolean[] delete;
and I have a setter function
public void setDelete( boolean[] values )
{
delete = values;
}
The problem is that I have only checkboxes that are
checked get sent
back -
so if one checkbox is checked all I get is an array of length 1.
Therefore,
it is not possible for me to determine which checkbox has
been checked.
In the documentation it tells me to use reset() in ActionForm to
initialise
the values - but this will only work with single
checkboxes and not
arrays.
I think I'm stuck. Is there anyway I can determine which
checkbox has
been
checked - maybe I can get the value to differ for each
checkbox. Will
look
in to that.
Cheers
Tony
peter.alfors.vcf
__
___
Get Your Private, Free E-mail from MSN Hotmail at
http://www.hotmail.com.
Re: Checkbox Arrays
Try pulling the bean value out into a script variable.
Taglibs cannot be nested within another taglib as an attribute.
Tony Karas wrote:
Yeah - I'm looking at that. My problem now is how to get the value for each
checkbox. My bean has an id property - so I have tried this kind of
thing:
logic:iterate id=retailer name=retailerForm property=retailers
tr
tdhtml:checkbox name=retailer property=delete value=bean:write
name=retailer property=id///td
tdbean:write name=retailer property=id//td
tdhtml:text name=retailer property=name//td
/tr
/logic:iterate
But it doesn't like having the bean:write embedded there. Am I missing
something obvious?
Many thanks
Tony
From: Peter Alfors [EMAIL PROTECTED]
Reply-To: [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Subject: Re: Checkbox Arrays
Date: Thu, 10 May 2001 11:09:18 -0500
Im not sure how the ActionForm changes things, but without an actionform
your
could do this
Each checkbox can have the same name, but a different value.
When the form is submitted, the checkboxes that have been checked are in
the
request.
You can use the request.getParameterValues(checkBoxName) to retrieve a
string
array of the values for the checked boxes.
HTH,
Pete
Tony Karas wrote:
Can anyone help with this?
I have an array of checkboxes in my ActionForm represented by
boolean[] delete;
and I have a setter function
public void setDelete( boolean[] values )
{
delete = values;
}
The problem is that I have only checkboxes that are checked get sent
back -
so if one checkbox is checked all I get is an array of length 1.
Therefore,
it is not possible for me to determine which checkbox has been checked.
In the documentation it tells me to use reset() in ActionForm to
initialise
the values - but this will only work with single checkboxes and not
arrays.
I think I'm stuck. Is there anyway I can determine which checkbox has
been
checked - maybe I can get the value to differ for each checkbox. Will
look
in to that.
Cheers
Tony
peter.alfors.vcf
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Re: Checkbox Arrays
I don't know if this is the right thread. But I just got multibox working
in my app (including preservation of checkbox entries between forwards).
Let me share with you what I have to see if this helps:
in Jsp: (cleanSolutionAreaTypes in an Application-scoped Vector)
tr
td align=left
Solutions Area*
/td
td align=left
logic:iterate id=solutionAreaType name=cleanSolutionAreaTypes
html:multibox property=solutionAreaTypes
bean:write name=solutionAreaType property=id/
/html:multibox
bean:write name=solutionAreaType property=name/br
/logic:iterate
/td
/tr
in Form:
protected String[] solutionAreaTypes = new String[0];
public String[] getSolutionAreaTypes()
{
return solutionAreaTypes;
}
public void setSolutionAreaTypes(String[] solutionAreaTypes)
{
this.solutionAreaTypes = solutionAreaTypes;
}
What was causing me some exceptions was this. I originally used another
application-scoped vector called solutionAreaTypes for other purposes
(like drop-down lists). That Vector contains an entry that has a null ID
value (eg. name = --specify-- value=). This was causing Struts to throw
a non-intuitive exception. I then created another Vector without this entry
in it and everything seems to work fine now. Of course I've only gotten it
to work about 15 minutes ago so I'll let you know later if it really works
;-)
- jeff
- Original Message -
From: Peter Alfors [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Sent: Thursday, May 10, 2001 2:01 PM
Subject: Re: Checkbox Arrays
Try pulling the bean value out into a script variable.
Taglibs cannot be nested within another taglib as an attribute.
Tony Karas wrote:
Yeah - I'm looking at that. My problem now is how to get the value for
each
checkbox. My bean has an id property - so I have tried this kind of
thing:
logic:iterate id=retailer name=retailerForm property=retailers
tr
tdhtml:checkbox name=retailer property=delete
value=bean:write
name=retailer property=id///td
tdbean:write name=retailer property=id//td
tdhtml:text name=retailer property=name//td
/tr
/logic:iterate
But it doesn't like having the bean:write embedded there. Am I missing
something obvious?
Many thanks
Tony
From: Peter Alfors [EMAIL PROTECTED]
Reply-To: [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Subject: Re: Checkbox Arrays
Date: Thu, 10 May 2001 11:09:18 -0500
Im not sure how the ActionForm changes things, but without an
actionform
your
could do this
Each checkbox can have the same name, but a different value.
When the form is submitted, the checkboxes that have been checked are
in
the
request.
You can use the request.getParameterValues(checkBoxName) to retrieve
a
string
array of the values for the checked boxes.
HTH,
Pete
Tony Karas wrote:
Can anyone help with this?
I have an array of checkboxes in my ActionForm represented by
boolean[] delete;
and I have a setter function
public void setDelete( boolean[] values )
{
delete = values;
}
The problem is that I have only checkboxes that are checked get sent
back -
so if one checkbox is checked all I get is an array of length 1.
Therefore,
it is not possible for me to determine which checkbox has been
checked.
In the documentation it tells me to use reset() in ActionForm to
initialise
the values - but this will only work with single checkboxes and not
arrays.
I think I'm stuck. Is there anyway I can determine which checkbox
has
been
checked - maybe I can get the value to differ for each checkbox.
Will
look
in to that.
Cheers
Tony
peter.alfors.vcf
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