-none- 2007-08-14 - By Oleg Konovalov
Back
That worked for me:
<% String str="form.action='action.do?command=notify&rowId="; %>
onclick="<%= str%><c:out value='${list.rowId}'/>'" />
And in Action:
String rowId = request.getParameter("rowId");
Thank you all,
Oleg.
On 8/13/07, Frank W. Zammetti <fzlists@(protected)> wrote:
>
> Oleg Konovalov wrote:
> >> make each button on the form a submit button
> > I can't do it, because button has to have image, so I use <input
> > type=image...>
> > Will that work ?
>
> I believe so... best way to be sure would be to try it :) ... but I
> don't see why it wouldn't.
>
> > Also, are you sure this this.form.rowId.value='${list.rowId}';
> > will work together with my form.action='action.do?command=notify'
> > I think, Javascript will get screwed up - will complain.
> > And I will have to make all inside a scriplet, something like:
> > onClick="<% form.rowId.value=<*c:out* *value=*'${list.rowId}/>;
> > form.action='action.do?command=notify' %>"
> > Is that better ?
>
> No, that would be wrong... go ahead and give it a try, you'll get a
> compile error on the JSP because the expression isn't valid. You may
> however be right to a degree... you may need to use <c:out> in place of
> ${list.rowId} (I think ${list.rowId} is valid JSP 2.0 EL, but that
> assumes JSP 2.0)... I think that's a valid JSP expression... again, give
> it a try, this is a syntactical issue that a minute or two of playing
> will resolve, it's the conceptual part you need to understand first.
>
> Frank
>
> --
> Frank W. Zammetti
> Founder and Chief Software Architect
> Omnytex Technologies
> http://www.omnytex.com
> AIM/Yahoo: fzammetti
> MSN: fzammetti@(protected)
> Author of "Practical Ajax Projects With Java Technology"
> (2006, Apress, ISBN 1-59059-695-1)
> and "JavaScript, DOM Scripting and Ajax Projects"
> (2007, Apress, ISBN 1-59059-816-4)
> Java Web Parts - http://javawebparts.sourceforge.net
> Supplying the wheel, so you don't have to reinvent it!
>
> >
> >
> > On 8/13/07, Frank W. Zammetti <fzlists@(protected)> wrote:
> >> Oleg Konovalov wrote:
> >>> No, I am not using any AJAX.
> >>>
> >>> On Submit it supposed to process that row, go to DB and refresh the
> >> whole
> >>> page,
> >>> so to come back on the same page.
> >>>
> >>> Also, my form is declared as <html:form>, so onClick I use
> >>> "form.action='action.do?command=notify'", I can't get rid of it,
> >>> but it doesn't want to coexist with any Javascript.
> >>>
> >>> I would not like to have multiple forms on one JSP page.
> >>>
> >>> So which of your suggestions would you recommend in my case ?
> >>> And how do I get a value of rowId in Action class (notify action),
> >>> via request.getSession().getAttribute("rowId") ?
> >> You wouldn't get it from SESSION, you'd get it from REQUEST... Unless
> >> your intention is to have a session-scoped ActionForm, but then you
> >> wouldn't get at the value as you've shown anyway (in fact, even if it's
> >> a request-scoped from, that's the wrong way to get the value, since
> your
> >> bypassing Struts to do it).
> >>
> >> Since you aren't using AJAX, and you want a single form, all you need
> to
> >> do is set things up in a 100% typical Struts fashion... have the HTML
> >> form submit to the Action you want it to, and connect an ActionForm,
> >> probably request-scoped, to that Action. Make sure your ActionForm
> >> includes the properly named getter/setter/field for it. Then, on your
> >> HTML form, add a hidden field with the name rowId, and make each button
> >> on the form a submit button (you can have more than one), and add an
> >> onClick event to it that does this:
> >>
> >> this.form.rowId.value='${list.rowId}';
> >>
> >> That should do it. Then, in your Action you just do:
> >>
> >> String rowId = form.getRowId();
> >>
> >> ...assuming form is the name of the ActionForm parameter. That should
> >> be all you need to do.
> >>
> >> Frank
> >>
> >> --
> >> Frank W. Zammetti
> >> Founder and Chief Software Architect
> >> Omnytex Technologies
> >> http://www.omnytex.com
> >> AIM/Yahoo: fzammetti
> >> MSN: fzammetti@(protected)
> >> Author of "Practical Ajax Projects With Java Technology"
> >> (2006, Apress, ISBN 1-59059-695-1)
> >> and "JavaScript, DOM Scripting and Ajax Projects"
> >> (2007, Apress, ISBN 1-59059-816-4)
> >> Java Web Parts - http://javawebparts.sourceforge.net
> >> Supplying the wheel, so you don't have to reinvent it!
> >>
> >>> Thank you,
> >>> Oleg.
> >>>
> >>>
> >>>
> >>> On 8/12/07, Frank W. Zammetti <fzlists@(protected)> wrote:
> >>>> Oleg Konovalov wrote:
> >>>>> I have a bunch of rows [ArrayList of ValueObject Classes], and a
> >> button
> >>>>> corresponding to each row.
> >>>>> I populate the data from each row in forEach loop.
> >>>>> User is supposed to click on one of these buttons [selecting one row
> >> to
> >>>>> process],
> >>>>> and onClick event I need to pass the rowId of the to the new Action
> >>>>> ["notify"] in Action class.
> >>>>> Sounds like a trivial task ?
> >>>>> I am just not sure how to implement that correctly in Struts, pretty
> >> new
> >>>> to
> >>>>> Struts.
> >>>> Depends on what you expect to happen when they click the button... is
> >>>> the entire page refreshed, or are you thinking of doing some AJAX
> here?
> >>>> If the entire page is going to refresh, I'd simply make each row its
> >>>> own form and have the button be a regular submit button. Add a
> hidden
> >>>> field to each form that has the rowId as its value. Simple,
> standard,
> >>>> will work just fine. Alternatively, if you don't like multiple
> forms,
> >>>> then have a single hidden form field which again is the row Id, then
> >>>> onClick of the button do:
> >>>>
> >>>> this.form.rowId.value='${list.rowId}';this.form.submit();
> >>>>
> >>>> If your thinking AJAX here, then there's all sorts of ways you could
> do
> >>>> it.
> >>>>
> >>>>> Maybe I should use
> >>>>> <html:submit src=pic.gif onclick="
> >> form.action='action.do?command=notify'"
> >>>> *
> >>>>> value*="${list.rowId}">
> >>>>> instead of HTML <input type=image...> ?
> >>>> Yes, in theory that could work, but I think it's a bit too
> complicated.
> >>>> Again, if your not thinking AJAX here, just do a plain form
> >>>> submission, it's the best answer. If you DO want to do AJAX, let us
> >>>> know and we can suggest ways to go about it.
> >>>>
> >>>> Dave's suggestions are good too, it just comes down to how you really
> >>>> want this to work.
> >>>>
> >>>>> TIA,
> >>>>> Oleg.
> >>>> Frank
> >>>>
> >>>> --
> >>>> Frank W. Zammetti
> >>>> Founder and Chief Software Architect
> >>>> Omnytex Technologies
> >>>> http://www.omnytex.com
> >>>> AIM/Yahoo: fzammetti
> >>>> MSN: fzammetti@(protected)
> >>>> Author of "Practical Ajax Projects With Java Technology"
> >>>> (2006, Apress, ISBN 1-59059-695-1)
> >>>> and "JavaScript, DOM Scripting and Ajax Projects"
> >>>> (2007, Apress, ISBN 1-59059-816-4)
> >>>> Java Web Parts - http://javawebparts.sourceforge.net
> >>>> Supplying the wheel, so you don't have to reinvent it!
> >>>>
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