Action-Events: hitting RETURN invokes form with invalid button

[Chris Shenton <Ch...@hq.nasa.gov>]

I'm following the Action-Event model from the HowTo and it works
rather nicely -- very clean.  However, I've found one instance where
it seems to be a bit fragile.

If I create a simple form with only one text input field and a SUBMIT
button, Netscape automatically acts like I hit SUBMIT if I type my
text and just hit RETURN in the INPUT box.  The Action-Event
processing does *not* appear to get a valid button name from the form
submission so falls through to the catch-all doPerform (per the HowTo).

Here's my form:

<FORM ACTION="$link.setPage("IntranetBroker.vm").setAction("IntranetBroker")"
      METHOD="POST">
  <b>Go to URL:</b>
  <br>
  <INPUT NAME="url" TYPE="TEXT">
  <br>
  <INPUT NAME="eventSubmit_doGeturl" VALUE="Get URL" TYPE="SUBMIT" >
</FORM>


My method IntranetBroker.doGeturl() is invoked properly if the user
types in and then clicks the "Get URL" SUBMIT button, but the code
falls through to the doPerform() catch-all if they type text and hit
RETURN, sending the form in without hitting the SUBMIT.

Is there a way to fix this?  (I expect a form could have multiple
buttons, possibly multiple type=SUBMIT ones; could Action-Events be
made to use one as a default for the method selection?)

Is there a way to see what non-button is getting to my class? 

Thanks.

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Re: Action-Events: hitting RETURN invokes form with invalid button

[John McNally <jm...@collab.net>]

If netscape only does this for one submit button, you can use a hidden
input to give the event name.  If netscape does this when multiple
buttons are present, I would say it is a bug, but you can just write
your doPerform method to account for it.

john mcnally

Chris Shenton wrote:
> 
> I'm following the Action-Event model from the HowTo and it works
> rather nicely -- very clean.  However, I've found one instance where
> it seems to be a bit fragile.
> 
> If I create a simple form with only one text input field and a SUBMIT
> button, Netscape automatically acts like I hit SUBMIT if I type my
> text and just hit RETURN in the INPUT box.  The Action-Event
> processing does *not* appear to get a valid button name from the form
> submission so falls through to the catch-all doPerform (per the HowTo).
> 
> Here's my form:
> 
> <FORM ACTION="$link.setPage("IntranetBroker.vm").setAction("IntranetBroker")"
>       METHOD="POST">
>   <b>Go to URL:</b>
>   <br>
>   <INPUT NAME="url" TYPE="TEXT">
>   <br>
>   <INPUT NAME="eventSubmit_doGeturl" VALUE="Get URL" TYPE="SUBMIT" >
> </FORM>
> 
> My method IntranetBroker.doGeturl() is invoked properly if the user
> types in and then clicks the "Get URL" SUBMIT button, but the code
> falls through to the doPerform() catch-all if they type text and hit
> RETURN, sending the form in without hitting the SUBMIT.
> 
> Is there a way to fix this?  (I expect a form could have multiple
> buttons, possibly multiple type=SUBMIT ones; could Action-Events be
> made to use one as a default for the method selection?)
> 
> Is there a way to see what non-button is getting to my class?
> 
> Thanks.
> 
> --
> To unsubscribe, e-mail:   <ma...@jakarta.apache.org>
> For additional commands, e-mail: <ma...@jakarta.apache.org>

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