Meaningless Drivel is fun!*
The moose likes Struts and the fly likes multibox disabled but checked Big Moose Saloon
  Search | Java FAQ | Recent Topics | Flagged Topics | Hot Topics | Zero Replies
Register / Login
JavaRanch » Java Forums » Frameworks » Struts
Bookmark "multibox disabled but checked" Watch "multibox disabled but checked" New topic
Author

multibox disabled but checked

Janhvi Malhotra
Greenhorn

Joined: Jan 12, 2006
Posts: 6
Hi,
I am displaying a list of checkboxes where some are selected by default and the user cannot uncheck them..So I set the disabled= true attribute for those checkboxes.
When I do a form submit, the values of the disabled checkboxes are not sent
even though they are checked...

How to gracefully solve this ?

Thanks
Eric Gero
Ranch Hand

Joined: Jul 20, 2005
Posts: 73
I am no expert in Struts, but I thought this was an interesting question. When a multibox is sent, the clients browser recieves a list of checkboxes like
<input type="checkbox" name="chkBox" value="white" checked="true" disabled="true">
<input type="checkbox" name="chkBox" value="black" checked="true" disabled="true">
<input type="checkbox" name="chkBox" value="blue" checked="false">
<input type="checkbox" name="chkBox" value="green" checked="false">

The values of the checked but disabled checkboxes are available to javascript. So, couldn't you cycle through the checkboxes with chkBox[i] and rebuild the URL before the form is submitted? It may not be the fanciest solution, but I think it should work. Maybe someone more experienced in Struts could tell us if this is not a good idea?

Thanks,
Eric
Merrill Higginson
Ranch Hand

Joined: Feb 15, 2005
Posts: 4864
Unfortunately, disabled inputs don't submit a value. The method suggested by Eric will work. Here are a couple more possible workarounds:

For each disabled checkbox, create a <html:hidden> field with the same property name. The hidden control will be submitted.

Another possibility would be to use javaScript to re-enable the checkboxes just before the form is submitted.


Merrill
Consultant, Sima Solutions
Janhvi Malhotra
Greenhorn

Joined: Jan 12, 2006
Posts: 6
Thanks Guys,

the work around I have is, since the server already knows the defaultchecked checkboxes, I add them to what the user selected..
 
I agree. Here's the link: http://aspose.com/file-tools
 
subject: multibox disabled but checked