Re: [REPOST] Setting multi-value widget values for dynamically createdforms

[Robin Wyles]

I'm not sure if it's the best way, but off the top of my head...

var values = new Packages.com.java.util.ArrayList();
values.add("option 1");
values.add("option 2");
values.add(someMethodToGetAString());
values.add(someOtherMethodToGetAString());
....
fwidget.setValue(values.toArray());




Cheers,

Robin


On 3 Jun 2008, at 14:48, Derek Hohls wrote:

Basically, the trick is to pass a simple array to the multi-value widget containing only the values you need to set...

Robin

How would you create the array programmtically
ie. values array needs to be populated via data
values sourced elsewhere ( and typically available
in a string variable) rather than from a static list.

Thanks
Derek

On 2008/06/03 at 03:32, in message <F6853221-59B6-4F99- [EMAIL PROTECTED]>, Robin Wyles <[EMAIL PROTECTED]> wrote:

Hi Derek,

As far as I can remember you just need to set the multi-value widget
value to a simple array, and I don't think you should initialise the
array with 10 values if you are only setting 1.

Something like this maybe:

var values = ["option1", "option2"]; // these are the values to pre-
select
fwidget.setValue(values);

Cheers,

Robin



On 3 Jun 2008, at 08:13, Derek Hohls wrote:

I am reposting in the hope that someone can find a
few moments to look at this - I'm sure I am missing
something simple, but cannot see what it is...

On 2008/05/21 at 12:55, in message
<[EMAIL PROTECTED]>, "Derek Hohls"
<[EMAIL PROTECTED]> wrote:

I have a dynamically created form which I then access from flowscript

  var qit = newForm.getWidget().getChildren();
   if (qit != null) {
   while ( qit.hasNext() ) {
       fwidget = qit.next() ;
      ...

to get each widget.  I now need to pre-select some values for
all of the multi-value widgets.  (Note that the widget below has a
datatype of string).

Approach 1 is what I *think* is correct; Approach 2 I know is
wrong but it does confirm that the widget I am accessing is
a MultiValueField.

Any ideas as to how to make this work properly?

Thanks
Derek

(Side note:  if I omit this step, the rest of the form displays
as expected, and values for other widget types are set OK.)


Approach 1:

var values = java.lang.reflect.Array.newInstance(java.lang.String,
10);
values[0] = "Option 1";
fwidget.setValue(values); //NB also tried fwidget.setValues(values);

Result 1:

java.lang.NullPointerException
at org.apache.cocoon.forms.formmodel.MultiValueField.setValues
(MultiValueField.java:190)
at org.apache.cocoon.forms.formmodel.MultiValueField.setValue
(MultiValueField.java:180)
...


Approach 2:

fwidget.setValue("Option 1");

Result 2:

java.lang.RuntimeException: Cannot set value of field "q-25--6"
with an object of type java.lang.String
at org.apache.cocoon.forms.formmodel.MultiValueField.setValue
(MultiValueField.java:182)
...

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