Sylvain Wallez wrote:
Patrick Refondini wrote:
Thanks, for the quick answer!
I looked at the source code available on SVN:
http://svn.apache.org/viewcvs.cgi/*checkout*/cocoon/blocks/
in
forms/trunk/java/org/apache/cocoon/forms/flow/javascript/Form.js
Now I am going to reveal my whole Javascript incompetency:
The showForm() function located in Form.js has the following signature:
Form.prototype.showForm = function(uri, viewdata, ttl) { (...) }
Is it the implementation for use case such as:
(...)
// Load form definition var form = new Form(formDefinition);
This calls the Form(...) function which then acts as a constructor.
// Send form to client
form.showForm("some-pipeline.jx");
(...)
It is not quite clear yet how Form.prototype.showForm() can be called
Form.prototype.showForm() and how a call to
form.showForm("some-pipeline.jx") is matched something like
form.showForm("some-pipeline.jx", null, null) ?
Form.prototype.showForm attaches a function to the Form's prototype
which is then visible in objects created with "new Form(...)". This is
similar to declaring a method on a Java class. Also, JavaScript has no
notion of method overloading, but accepts variable argument lists.
Unspecified function arguments then have the value "undefined" (a JS
keyword).
Thanks for this clarification.
Nevertheless I'll need to take a deeper look at this source code and
try to find some Javascript tutorials ;)
I've you start with JavaScript, using Form.js as a tutorial is probably
a bad idea, as it's not the simplest JS you can find and makes an
advanced use of continuations to implement the form redisplay loop
without actually looping.
I understand...
I try to get a deeper understanding of the showForm() continuation
"loop" to see when bindings to data are actually applied / reloaded in
particular in the fb:simple-repeater.
I have implemented a prototype "XML" editor using CForm/Binding/JX
Templates with ajax enabled. Cocoon does a wonderful job to support this!
My goal is to let a user insert a "Form Fragment" build from a template
XML file. But I haven't been able to do it yet although I see no reason,
my Cocoon understanding appart, why it should not be possible.
Patrick
Sylvain
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