Re: [elearning tech & dev] How to check if Scorm is initialize on subsequent html pages

[Philip Hutchison]

Hi Hammy

For HTML-based courses (as opposed to Flash), SCORM requires the use of a frameset or iframe.  The SCO is initialized in the parent frame when the course loads. Since the parent frame remains static throughout the entire course, there is no need to re-initialize the SCORM connection. In fact, initializing more than once is a no-no and can kill your course.

The course content is then displayed through a series of child frames or iframes, which can communicate to the parent frame via JavaScript.

For example:

index.html  >  parent frame, initializes and manages SCORM connection.

content01.html  > loads via iframe into index.html

content02.html  > loads via iframe into index.html

content03.html  > loads via iframe into index.html

etc.

Hope that helps

- philip

On Sun, Aug 26, 2012 at 3:36 PM, Hammy <workmo...@gmail.com> wrote:

Hello,

I am very new to SCORM (first project) and I understand everything I have read so far.  I am good with initializing the course in an index page.  My site is composed of 3 separate sections and a finish page.  Using Pipewerks documentation and samples, I understand conceptually that I need to check variables from the LMS using pipewerks.SCORM.get (scorm.get as a shortcut) and react accordingly, but I am not sure on the top of each html page whether or not I am using scorm.init().  Other APIs I have used for other purposes have the init function initialize if first time (returning true) and simply return true if already initialized.  Any guidence you may have would be greatly appreciated.  Thanks in advance.

- Hammy

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[Hammy]

LIGHTBULB - Thank you very much, this could have been very painful without that little tidbit.  Thank you again.

On Monday, August 27, 2012 2:11:34 AM UTC-4, Philip Hutchison wrote:

Hi Hammy

For HTML-based courses (as opposed to Flash), SCORM requires the use of a frameset or iframe.  The SCO is initialized in the parent frame when the course loads. Since the parent frame remains static throughout the entire course, there is no need to re-initialize the SCORM connection. In fact, initializing more than once is a no-no and can kill your course.

The course content is then displayed through a series of child frames or iframes, which can communicate to the parent frame via JavaScript.

For example:

index.html  >  parent frame, initializes and manages SCORM connection.

content01.html  > loads via iframe into index.html

content02.html  > loads via iframe into index.html

content03.html  > loads via iframe into index.html

etc.

Hope that helps

- philip

On Sun, Aug 26, 2012 at 3:36 PM, Hammy <workmo...@gmail.com> wrote:

Hello,

I am very new to SCORM (first project) and I understand everything I have read so far.  I am good with initializing the course in an index page.  My site is composed of 3 separate sections and a finish page.  Using Pipewerks documentation and samples, I understand conceptually that I need to check variables from the LMS using pipewerks.SCORM.get (scorm.get as a shortcut) and react accordingly, but I am not sure on the top of each html page whether or not I am using scorm.init().  Other APIs I have used for other purposes have the init function initialize if first time (returning true) and simply return true if already initialized.  Any guidence you may have would be greatly appreciated.  Thanks in advance.

- Hammy

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[John Campbell]

The key is to never re-initialize or double terminate.  You don't necessarily have to use frames, but it's certainly a nice way to organize things.  

take care,

jpc

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[Philip Hutchison]

Hi John

You;ve piqued my curiosity. Can you provide an example that doesn't use frames or Flash? How is the API state maintained if the page reloads? The common reference docs (ADL, Ostyn, Rustici) all use frames.

Thanks

- philip

[John Campbell]

I've seen it done two ways.  I was once handed a SCORM lesson that was just HTML pages.  Page 1 initialized.  Each page had a next button that reset location or location.href.  This didn't cause any issues with the LMS.  The final page called terminate on load.  It wasn't my favorite design, but worked.

Look at LSAL template 3 (and probably any multi page SCO in those templates).  It uses the same approach as above.

I've written quite a few courses that use divs instead of frames and load the content in via ajax or dynamically update the text using javascript.

Just saying that there are many ways to skin a cat.

take care,

jpc

[Ryan Sorgnard]

Another way to skin the cat is using XMLHttpRequest and loading a multi-step lesson in from an xml file instead of separate html pages.  This is the approach I'm building now and it's pretty clean.  The benefit is that I can update the interface using innerHTML so that the user thinks they are navigating inside a multi-page environment but everything is driven from one html page and 1 xml file.

-r

take care,

jpc

take care,

jpc

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