Laurie Harper wrote:
Tom Holmes Jr. wrote:
I've created numerous pages with multiple combo-dropdown boxes that
captured the label and value of a select box.
The formbean for these was always clear cut and simple.
Now, I have a select like the following:
<select name="test" multiple="true">
<option value="selection a">A</option>
<option value="selection b">B</option>
<option value="selection c">C</option>
</select>
As I understand it, when I submit, this will submit back a string
array (String[] test) which is defined in my form bean ... right?
Now lets say I have the following single select
<select name="test">
<option value="selection a">A</option>
<option value="selection b">B</option>
<option value="selection c">C</option>
</select>
<select name="test">
<option value="selection d">D</option>
<option value="selection e">E</option>
<option value="selection f">F</option>
</select>
So now there are two with the same name ... I am guessing that I will
still get back a string array (String[] test) which is defined in my
form bean ... right?
What I'd really like is a little different. I'd like the first
selection test to be test[0] = A,B, or C (since it is single select) AND
I'd like the second selection test to be test[1] = D,E, or F (since
it is single select)
Or even better yet:
I'd like the first selection test to be test["first_letter"] = A,B,
or C (since it is single select) AND
I'd like the second selection test to be test["second_letter"] = D,E,
or F (since it is single select)
So, how would I setup the form bean for this?
The way it is setup now, I have a Collection for test, and it comes
back with an argument type mismatch.
Any help would be much appreciated, and I will keep working on this.
Thanks!
You're on the right lines; you need a Map rather than a Collection if
you want key indexing. Your select's name would be test["a"] for the
first, test["b"] for the second, etc.
L.
Laurie, thanks for thelp, but can you be of more help .... I'm been
working for the last two days, and I am close, but not that close ...
I did have my formBean set with HashMap loaded with data which I think
is right.
I am going through an iteration loop and that buils my labels which is
just text ... so label_a, label_b, label_c etc.
Headers contains all my labels that I want on the page. (abel_a,
label_b, label_c etc.)
<logic:iterate id="header" name="myFormBean" property="headers">
My labels are being written out with: <bean:write name="header">
This works all good.
Within that loop I have an <html:select name="myFormBean"
property="mapping" indexed='<bean:write name="header'>">
And when I look at the page, I do see <select name="mapping"> so I am
not sure if this is truly being indexed the way I want.
So now I have a Collection/ArrayList of LabelValueBeans ... this
collection is used to populate the drop-down box,
and with: <html:optionsCollection name="properties" /> this works
great. And "properties" is a property within the form bean.
The problem again is that for the first select box: label_a:
mapping["a"] = single selection for combo-box a
and the second select box: label_b: mapping["b"] = single selection for
combo-box b
if I have explained this correctly, I know I have seen how a single
select can be created so we populate a combo-box and even get the
selected for it.
And now I have multiple select boxes indexed with a name (same name as
the label/header) and I want to get the single "selected." within the
combo-box.
So, how I define that structure within my form bean is important, then I
can populate that structure in my pre-action class ...
And then when I submit it ... I don't want to get an
argument-type-mismatch within the beanutils.populate when I submit the
JSP page.
Thanks again for the help. I will keep working on this also.
Tom
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