Igor,
So basically you are saying to do something like
this (in pseudocode):
if (CHECKBOX)
add(new CheckboxPanel("formPanel"));
else if (SELECT)
add(new SelectPanel("formPanel"));
...
and then in the HTML:
<form...>
<span wicket:id="formPanel"/>
</form>
Is this correct?
Thanks!
Andrew
--- Igor Vaynberg <[EMAIL PROTECTED]> wrote:
> If you take this approach you have to add all
> possible element to the
> listitem and mark them as hidden. In my opinion, a
> better approach would be
> to create a panel for each question type and only
> add the proper panel. This
> approach will avoid the problem you are currently
> having. It also makes it
> very easy to add other question types since all you
> would have to do is
> provide a different panel as opposed to editing an
> existing template to add
> the new html.
>
> -Igor
>
> > -----Original Message-----
> > From: [EMAIL PROTECTED]
> > [mailto:[EMAIL PROTECTED]
> On Behalf Of
> > Andrew Berman
> > Sent: Thursday, October 06, 2005 11:26 AM
> > To: [email protected]
> > Subject: [Wicket-user] Dynamic HTML Element
> Creation
> >
> > My application allows users to set up questions
> and valid
> > responses for those questions, which are
> subequently saved ot
> > the db. Along with the question is the ability to
> state what
> > type of HTML element the responses should show as.
> For
> > example, if the question is designated as
> CHECKBOX, then the
> > responses should all show as checkboxes.
> >
> > When I display the questions that are in the
> database, I loop
> > through the questions and based on what type they
> are, build
> > the proper component. However, the issue comes in
> because in
> > the HTML, I have every type of HTML form element
> that the
> > question could be. So, let's say quesiton one is
> a CHECKBOX,
> > when it goes through the HTML, it also finds
> wicket ids of
> > multiSelect, select, etc., but these do not exist
> in the
> > current ListItem, only checkbox does, so Wicket
> throws an
> > exception. Basically, I need an "if this id
> exists, do this,
> > otherwise, skip it." Am I going to have to custom
> build
> > something to do this, or is there maybe something
> I'm missing
> > or some other way to accomplish this.
> >
> > Thanks for any help you can give,
> >
> > Andrew
> >
> > Here is some code that may help out with my
> explanation. In
> > the page code I do this:
> >
> > add(new ListView("categoryQuestions",
> > categoryQuestions) {
> >
> > @Override
> > protected void
> populateItem(ListItem
> > item) {
> > CategoryQuestion cq =
> > (CategoryQuestion) item
> > .getModelObject();
> >
> > ResponseType type =
> > cq.getResponseType();
> > List<CategoryQuestionResponse>
>
> > cqResponses = new
> ArrayList<CategoryQuestionResponse>(
> >
> cq.getValidResponses());
> >
> >
> > if
> > (type.equals(ResponseType.CHECKBOX)) {
> > item.add(new
> > CheckBoxMultipleChoice("checkbox", cqResponses,
> > new
> > ChoiceRenderer("response.text", "id")));
> > } else if
> > (type.equals(ResponseType.DROPDOWN)) {
> > item.add(new
> > DropDownChoice("dropdown", cqResponses,
> > new
> > ChoiceRenderer("response.text", "id")));
> > } else if
> > (type.equals(ResponseType.MULTI_SELECT)) {
> > item.add(new
> > ListMultipleChoice("multiSelect", cqResponses,
> > new
> > ChoiceRenderer("response.text",
> "id")).setMaxRows(5));
> > } else if
> > (type.equals(ResponseType.RATING)) {
> > //
> > }
> > }
> >
> > Then in the HTML I do:
> >
> > <form wicket:id="questionForm">
> > <span wicket:id="categoryQuestions">
> >
> > <select wicket:id="dropdown">
> > <option>Option 1</option>
> > </select>
> > <select wicket:id="multiSelect">
> > <option>Option 1</option>
> > </select>
> > <input wicket:id="checkbox"
> > type="checkbox"/>
> >
> > </span>
> > </form>
> >
> >
> >
>
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> >
> >
> >
>
>
>
>
>
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