[Xerte] How to use the judge function correctly

Tue Feb 17 20:18:45 GMT 2009

Yes, thank you Peter.
That works as expected.

You can poll the responses, and if you receive an "Undefined" if no correct attribute exists, else you get the value of the correct attribute, and it can be set.

You an also add the attribute if you want:
interaction.XMLElement.childNodes[2].clip().CreateAttribute["correct"];

then set it.

Paul, I had tried both syntaxes.
No luck. 

To: xerte at lists.nottingham.ac.uk
Subject: RE: [Xerte] How to use the judge function correctly
From: peter.huppertz at baselgovernance.org
Date: Tue, 17 Feb 2009 19:33:54 +0100

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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