Can struts handle multiple forms in a post + Partial answer to - [Re: Loading complex forms with Struts.]

[Simon Kelly <ke...@ipe.fzk.de>]

As an amendum to the question "Loading complex forms with Struts.".  I have
found a solution and more problems :-(

> I need the data loaded into two beans, one for the Subsystem:
>     String name;
>     String time;
>     List signals;
>
> And then one to hold all the subsystems:
>     List subsystems;
>
> 1)  I need to know if [OT] this can be written in html?

Html does not do forms in forms.  But I have come accross a solution using
multiple forms and a small piece of java code to force all forms to submit
at the same time.

[FYI]
<!--
<script language="JavaScript">
    function SubmitAll() {
        document.form1.submit();
        document.form2.submit();
        ....
        document.formN.submit();
    }
</script>
<form name="form1" ..../>
<form name="form2" .... />
....
<form name="formN" .... />
<input type="button" value="Submit" canClick="SubmitAll()" />
-->

HOWEVER
In struts-config the following action is required:

<action path="/formprocess"
        name="form1"
        scope="request"
        validate="true"
        type="com.test.action.FormProcessAction">
    <forward name="success" path="/StrutsCXServlet"/>
    <forward name="error" path="/idiot.do"/>
</action>

The question is, can a regexp be used to group all of the forms under the
one action (Such as name="form[1-9]")??  All the form names are dynamically
created, and unknown to struts before posting.  Is there a way struts can
handle this sort of form posting?

Kind regards,

Simon


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Re: Can struts handle multiple forms in a post + Partial answer to - [Re: Loading complex forms with Struts.]

[Nicolas De Loof <ni...@cgey.com>]

Be carreful, submiting your forms this way you will submit N request,
and only the last one will get a response. If others one have
validation or processing errors, you will not get them.

I would suggest you to set a new form with hidden fields, and
javascript to copy values. On submit, submit the hidden form :

<form name="copy" action="...">
  <input type="hidden" name="name1">
  <input type="hidden" name="nameN">
</form>

<form name="form1">
<input type="text"
       onchange="document.forms.copy.name1.value=this.value">
</form>

<form name="formN">
<input type="text"
       onchange="document.forms.copy.nameN.value=this.value">
</form>

This code can be easily built with some <logic:iterate>

Nico.

> [FYI]
> <!--
> <script language="JavaScript">
>     function SubmitAll() {
>         document.form1.submit();
>         document.form2.submit();
>         ....
>         document.formN.submit();
>     }
> </script>
> <form name="form1" ..../>
> <form name="form2" .... />
> ....
> <form name="formN" .... />
> <input type="button" value="Submit" canClick="SubmitAll()" />
> -->
>
> HOWEVER
> In struts-config the following action is required:
>
> <action path="/formprocess"
>         name="form1"
>         scope="request"
>         validate="true"
>         type="com.test.action.FormProcessAction">
>     <forward name="success" path="/StrutsCXServlet"/>
>     <forward name="error" path="/idiot.do"/>
> </action>
>
> The question is, can a regexp be used to group all of the forms
under the
> one action (Such as name="form[1-9]")??  All the form names are
dynamically
> created, and unknown to struts before posting.  Is there a way
struts can
> handle this sort of form posting?
>
> Kind regards,
>
> Simon
>
>
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