13 Feb
2015
13 Feb
'15
9:57 a.m.
Hi Jason
On Thu, Feb 12, 2015 at 8:54 AM, Jason Clemons <jason.clemons(a)live.com> wrote:
Hey Marius,
Thanks for responding...my form has multiple comboboxes each having a value of
essentially "Select a status" or "Select a type" etc..as the 0 index
for each..while indexes 1 thru N are valid selections, index selection 0 will never be a
valid selection since its the default prompt.
Initially I tried using the ID of the combobox as an index (e.g..selection 0 is
"Select a status|0") and I was planning on using that 0 for validation logic.
However, I ended up needing the ID meta for another purpose related to my application
downstream.
Ultimately I ended up writing code that says if combobox value = "Select
status" then prevent page save. However, this approach doesn't really scale all
that well because I have multiple comboboxes on my form which all have different default
values at index 0 (depending on the context of the combobox). However what is always true
in my entire form is that index 0 of any combobox is never a valid selection, so I was
hoping to access that to determine if the user actually selected a value or left the
default.
This type of thing is a pretty common attribute of UI elements in other programming
environments so I was thinking that the controls in Xwiki might have something similar. I
can certainly work around it (and I have for my current solution) but really wanted to
know for future use.
There is a very simple solution. You have to know that the text you
see in the combo box (drop down / select) doesn't have to be the value
that is actually submitted to the server. Each option can have a label
(what is displayed) and a value (what is submitted). You should
checkout the select HTML element
https://developer.mozilla.org/en-US/docs/Web/HTML/Element/select . You
can have something like:
<select name="type">
<option value="">Select a type</option>
<option value="science">Science Articles</option>
...
</select>
Then you can validate that the submitted value is not empty.
Thanks again for taking the time
to respond, the support you guys give is SUPER valuable to me and keeps me moving forward
in most cases, so I really appreciate it.
I'm glad to hear that ;)
Hope this helps too,
Marius
On Feb 11, 2015, at 11:11 PM, Marius Dumitru
Florea <mariusdumitru.florea(a)xwiki.com> wrote:
A combo box (drop down, select) is just an UI element. What is saved
in the database (and thus what you can query) is normally the selected
raw value(s) and maybe the list of supported raw values (what you can
choose from). Sometimes the labels (display values) are also stored in
the database. But I've never heard of storing the indexes, **unless**
the index is the value. Why do you need the index? The index is very
fragile as you can add new supported values and the order can changed.
Hope this helps,
Marius
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http://lists.xwiki.org/mailman/listinfo/users On Thu, Feb 12, 2015 at 2:19 AM, Jason Clemons
<jason.clemons(a)live.com> wrote:
is this not possible?
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http://lists.xwiki.org/mailman/listinfo/users On Feb 3, 2015, at 8:56 AM, Jason Clemons
<jason.clemons(a)live.com> wrote:
Hello all,
I have no issue getting the value of a combo box control in HQL using
"ComboBoxName.value = 'foobar'" but is there a way to get the selected
index of the combobox in my query?
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