[Xerte] How to use the judge function correctly

[Peter Huppertz]

What seems to work is the following:

interactionID.XMLElement.childNodes[0].clip().correct = true;

childNodes[0] is the first response, childNodes[1] the second and so on.

Peter



From:
Dave Burnett <d_b_burnett at hotmail.com>
To:
Xerte list <xerte at lists.nottingham.ac.uk>
Date:
02/17/2009 07:19 PM
Subject:
RE: [Xerte] How to use the judge function correctly
Sent by:
xerte-bounces at lists.nottingham.ac.uk




Thanks Paul. Including the RS did indeed allow me to address (and set) the 
correct status on the fly.

Now I'm wondering if you have to know the rs values or you can use an 
object reference:

Say instead of 
interaction.response.checkbox.correct;

this

interaction.response[1].correct;

That unfortunately gives me "Undefined"



Subject: RE: [Xerte] How to use the judge function correctly
Date: Tue, 17 Feb 2009 09:38:35 -0800
From: Paul.Swanson at harlandfs.com
To: xerte at lists.nottingham.ac.uk

Dave, I believe if you set the rs property of the response, you can 
address it directly.
 
From the Help:
 
Common Response Properties
All interaction responses share some common properties:
 
name
The name of the icon you will see on the document tree.
 
id
An id that refers to the theoretical 'page' that contains the content 
associated with an interaction response. The id property is optional.
 
rs
An id that refers to the actual interactive element, such as the button 
itself. The rs property is optional. You will use this when scripting 
interactions.
 
type
The type of response. This is set automatically.
 
erase
This setting of 1 or 0 determines whether the contents of this response 
are erased when other responses on the interaction are matched.
 
exit
A boolean (0 or 1) value that determines whether the response will cause 
the interaction to exit, or not. Interactions that are set to perpetual 
will not exit, regardless of the response setting. You can force an 
interaction to exit by calling it's exit method: id.exit();
 
 
 
From: xerte-bounces at lists.nottingham.ac.uk [
mailto:xerte-bounces at lists.nottingham.ac.uk] On Behalf Of Dave Burnett
Sent: Tuesday, February 17, 2009 9:31 AM
To: Xerte list
Subject: RE: [Xerte] How to use the judge function correctly
 
Aha. I think i see what is happening.

Patrick, is there any way to address the responses object directly?
Something like:
interaction.responses[1].status

What I'm really driving at is there any way to dynamically set the correct 
status T/F?

Subject: RE: [Xerte] How to use the judge function correctly
Date: Tue, 17 Feb 2009 16:40:44 +0000
From: Patrick.Lockley at nottingham.ac.uk
To: xerte at lists.nottingham.ac.uk
Well I replied to this, but sent an attachment and it appears to have lost 
itself in the ether.
 
So http://www.nottingham.ac.uk/~cczpl/response.rlo
 
basically
 
Set up an interaction, give it an id
 
Add to the interaction (i've used check boxes) a series of items, giving 
each one an id, a response and a correct attribute
 
At some point, run some code and add to that code 
<<interactionid>>.judge()
 

From: xerte-bounces at lists.nottingham.ac.uk [
mailto:xerte-bounces at lists.nottingham.ac.uk] On Behalf Of Dave Burnett
Sent: 17 February 2009 16:26
To: Xerte list
Subject: RE: [Xerte] How to use the judge function correctly

Hmm.

My interaction (id question) has 4 responses with names, id's, correct set 
to 1.

If I debug:
question.responses.length

I get 0




Subject: RE: [Xerte] How to use the judge function correctly
Date: Tue, 17 Feb 2009 15:17:15 +0000
From: Patrick.Lockley at nottingham.ac.uk
To: xerte at lists.nottingham.ac.uk
Hello
 
I don't know how this function works, but I can possibly help as thus
 
INTERACTION.prototype.judge = function() {
 //check that each response whose correct is not undefined
 //has the same status as correct
 for (var i = 0; i<this.responses.length; i++) {
  if (this.responses[i].correct != undefined) {
   //trace(this.responses[i].correct +" " +this.responses[i].status);
   if (this.responses[i].correct != this.responses[i].status) {
    //doesn't match - user cannot have matched all correctly
    return false;
   }
  }
 }
 return true;
};
 
That is the flash source code of the function, so it looks like you need 
to set responses for the interactions for a judge to work.
 
Pat
 

From: xerte-bounces at lists.nottingham.ac.uk [
mailto:xerte-bounces at lists.nottingham.ac.uk] On Behalf Of Peter Huppertz
Sent: 17 February 2009 15:07
To: xerte at lists.nottingham.ac.uk
Subject: [Xerte] How to use the judge function correctly
Hi List, 

another beginner's question. Imagine the following structure: 
-- page 1 
---- interaction: id=question1 
-------- button 1: correct=0 
-------- button 2: correct=0 
-------- button 3: correct=1 
-- page 2 
---- script: question1.judge() 

The script returns undefined, regardless of what the user clicks. I also 
tried false and true instead of 0 and 1. What's wrong? 

Peter Huppertz
 

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