Yet another approach would be to use an image tag:
<html:image page="/images/lock.gif" property="lock" />
<html:image page="/images/unlock.gif" property="unlock" />
<html:image page="/images/delete.gif" property="delete" />
and check parameter in action:
if (request.getParameter("lock.x") != null) {
// decide what to do
// 1) either return mapping.findForward("lock");
// with <forward name="lock" path="/lock.do"/> declared in struts-config
// (this results in performace drawback, but makes design more flexible)
// 2) just simply call an appropriate method
}
else if (request.getParameter("unlock.x") != null){
// decide what to do
}
else if (request.getParameter("delete.x") != null) {
// decide what to do
}
Of cource it could be optimized with map and base dispatcher class.
Dmitri Valdin
Datum: 15.11.2001 11:41
An: Struts Developers List <[EMAIL PROTECTED]>
Antwort an: "Struts Developers List" <[EMAIL PROTECTED]>
Betreff: Re: [SUBMIT] LookupDispatchAction - how to handle multiple html:submit
buttons
Nachrichtentext:
Most of us would not rely *solely* on Javascript for validation, since
it can be turned off, and therefor endanger your application. But
requiring it to handle multiple buttons is a different matter, so long
as the default formAction did nothing harmful if Javascript were turned
off.
The ValidatorForm in the contrib folder generates *lots* of Javascript.
The html:form tag also generates a Javascript to move the focus, as do
some others. So, I don't see anything wrong with a tag that generated
Javascript for setting a property. Heck, I'm doing by hand myself ;-)
-- Ted Husted, Husted dot Com, Fairport NY USA.
-- Custom Software ~ Technical Services.
-- Tel +1 716 737-3463
-- http://www.husted.com/struts/
Joe Faith wrote:
>
> We have also implemented a multiple submit button system; but in our
> case we wrote a custom tag that generates javascript that sets a property
> to a specified value and submits the form when you hit the button.
>
> The tags look something like:
>
> <my_submit property="formAction" value="delete" label="Delete this
> record"/>
> <my_submit property="formAction" value="save" label="Save changes"/>
> <my_submit property="formAction" value="copy" label="Copy this record"/>
>
> etc
>
> A single action object can then use the value of formAction to decide what to
> do in each case.
> This has the side-effect of reducing the number of Action classes needed.
>
> However, the tags generate javascript and I wasn't sure if this fitted the
> struts philosophy; so I
> haven't submitted the code changes. But if anyone was interested I could make
> it available.
>
> Joe Faith
>
> Runtime Collective, Ltd
> T: (+44) 01273 234294
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