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From "Alan Menant" <alan.men...@gmail.com>
Subject Re: form.getChild() function problem
Date Thu, 02 Aug 2007 07:51:15 GMT
2007/8/2, Jason Johnston <cocoon@lojjic.net>:
>
> Alan Menant wrote:
> > Hello,
> >
> > I'm trying to get all widgets from a form with the getChildren function
> :
> >
> > var form = new Form(myForm.xml);
> > var myWidgets = form.getChildren();
> > form.showForm("myform-display-pipeline");
> >
> > But I get an error message telling getChildren() is not function
> > (form.getChild('xxx') works fine). I saw the function in Cocoon 2.1.10
> > API but I'm using Cocoon 2.2 (I got the same error with Cocoon 2.1.9).
> >
> > May this useful function have been removed ?
>
> I think your confusion is that when you do "new Form()" from your
> flowscript, you don't get an org.apache.cocoon.forms.formmodel.Form Java
> object that has the getChildren() method, but instead you get an
> instance of the javascript class Form (see [1]) which wraps an instance
> of the Java class.
>
> Thankfully the javascript Form object allows you to get access to the
> underlying java Form object by using the getWidget() method.  So
> changing your code to:
>
>     var myWidgets = form.getWidget().getChildren();
>
> ...should work.
>
> --Jason
>
> [1]
>
> http://svn.apache.org/repos/asf/cocoon/trunk/blocks/cocoon-forms/cocoon-forms-impl/src/main/resources/org/apache/cocoon/forms/flow/javascript/Form.js


Ok, thank you Jason for the explanation. It works perfectly.

Alan

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