[Xerte-dev] Re: Graphs and pies in 1.9

[Smith, John]

Ok, definitely something I'm happy to investigate (with a little help ;-))

A CSV ingestor wouldn't be hard to do, I think the passing along of the data will be the tough part and potentially a bit on the flaky side if trying to communicate into Flash... I think bypassing the Flash and going straight to the parent window will be the easiest and most robust way of doing it...

Regards,

John Smith
Learning Technologist
School of Health & Life Sciences
Glasgow Caledonian University

From: xerte-dev-bounces at lists.nottingham.ac.uk [mailto:xerte-dev-bounces at lists.nottingham.ac.uk] On Behalf Of Pat Lockley
Sent: Friday, January 04, 2013 3:51 PM
To: For Xerte technical developers
Subject: [Xerte-dev] Re: Graphs and pies in 1.9

Local connection uses a local data store (a cookie really), and it's effectively like using a session in PHP (with some Ajax talking too)

On Fri, Jan 4, 2013 at 3:49 PM, Julian Tenney <Julian.Tenney at nottingham.ac.uk<mailto:Julian.Tenney at nottingham.ac.uk>> wrote:
Yes, it does make (a lot of) sense. It was done using LocalConnection in flash, so the two swfs could talk to each other. I'm afraid I don't really know how web pages can do that. LocalConnection let's you use a send() method to send the data, and on the other side event handlers pick up the data sent. Maybe you can talk up the window chain, and call methods defined in window.parent or similar?

From: xerte-dev-bounces at lists.nottingham.ac.uk<mailto:xerte-dev-bounces at lists.nottingham.ac.uk> [mailto:xerte-dev-bounces at lists.nottingham.ac.uk<mailto:xerte-dev-bounces at lists.nottingham.ac.uk>] On Behalf Of Smith, John
Sent: 04 January 2013 15:40

To: For Xerte technical developers
Subject: [Xerte-dev] Re: Graphs and pies in 1.9

Totally agree... would anyone go to the bother of creating this in Flash (even if it is possible) now though since we are moving towards HTML5 deployment and ultimately an HTML5 editor...

I'm not so familiar with the hooks used in the current editor for opening for example the drawing window but could someone look into the feasibility of making a similar link open a plain webpage and what information (and how) it would need to pass back to the flash editor for now? That way we could add in these types js/jQuery applications that could do this...

Does that make sense?

Regards,

John Smith
Learning Technologist
School of Health & Life Sciences
Glasgow Caledonian University

From: xerte-dev-bounces at lists.nottingham.ac.uk<mailto:xerte-dev-bounces at lists.nottingham.ac.uk> [mailto:xerte-dev-bounces at lists.nottingham.ac.uk] On Behalf Of Pat Lockley
Sent: Friday, January 04, 2013 3:14 PM
To: For Xerte technical developers
Subject: [Xerte-dev] Re: Graphs and pies in 1.9

A visualisation editor would have tonnes of potential, or a CSV upload to pretty maker

On Fri, Jan 4, 2013 at 3:04 PM, Smith, John <J.J.Smith at gcu.ac.uk<mailto:J.J.Smith at gcu.ac.uk>> wrote:
Hi,

D3 looks pretty straightforward; very similar to jQuery, but a lot more powerful than we need. If we migrate the editor over to HTML5 though this year then it would give us instant support for many more chart types...

For the current chart model I simply ported the flash code over just now to get the chart working in most browsers although IE8 and below will always be a problem. Even D3 won't work properly in IE8 without using the AIGHT library to shim IE8 up to bare minimum of HTML5 compatibility... It might be worth looking into adding in AIGHT anyway as I have already had to add in several bits of alternative code targeted at IE browsers only...

Regards,

John Smith
Learning Technologist
School of Health & Life Sciences
Glasgow Caledonian University

From: xerte-dev-bounces at lists.nottingham.ac.uk<mailto:xerte-dev-bounces at lists.nottingham.ac.uk> [mailto:xerte-dev-bounces at lists.nottingham.ac.uk<mailto:xerte-dev-bounces at lists.nottingham.ac.uk>] On Behalf Of Pat Lockley
Sent: Friday, January 04, 2013 2:44 PM

To: For Xerte technical developers
Cc: John Horton

Subject: [Xerte-dev] Re: Graphs and pies in 1.9

D3 is complicated as anything early on, but once you get the logic it makes sense (a little)

On Fri, Jan 4, 2013 at 2:36 PM, Fay Cross <Fay.Cross at nottingham.ac.uk<mailto:Fay.Cross at nottingham.ac.uk>> wrote:
John Horton's also been looking into a few other javascript libraries for drawing graphs as he's done quite complicated ones in Flash which need looking at again.  I'll pass the link onto him.

(it was John Smith on the list who did the page model btw not the John here)

From: xerte-dev-bounces at lists.nottingham.ac.uk<mailto:xerte-dev-bounces at lists.nottingham.ac.uk> [mailto:xerte-dev-bounces at lists.nottingham.ac.uk<mailto:xerte-dev-bounces at lists.nottingham.ac.uk>] On Behalf Of Pat Lockley
Sent: 04 January 2013 14:32

To: For Xerte technical developers
Subject: [Xerte-dev] Re: Graphs and pies in 1.9

Ah ok, I have been experimenting with D3 (http://d3js.org/) and feel relatively confident I can make it draw basic graphs, wondered if that'd be useful
Nothing as complicated as that page shows though

On Fri, Jan 4, 2013 at 2:29 PM, Fay Cross <Fay.Cross at nottingham.ac.uk<mailto:Fay.Cross at nottingham.ac.uk>> wrote:
John wrote the new page model - I think he used jQuery and drew the shapes on a canvas.

We were going to look into whether there was something else we could use for more complicated graphs but what he did works well for the simple ones used on the charts page

From: xerte-dev-bounces at lists.nottingham.ac.uk<mailto:xerte-dev-bounces at lists.nottingham.ac.uk> [mailto:xerte-dev-bounces at lists.nottingham.ac.uk<mailto:xerte-dev-bounces at lists.nottingham.ac.uk>] On Behalf Of Pat Lockley
Sent: 04 January 2013 14:26
To: For Xerte technical developers
Subject: [Xerte-dev] Graphs and pies in 1.9

Hello,

In 1.9 what draws the graphs and pie charts?

Pat


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Glasgow Caledonian University is a registered Scottish charity, number SC021474

Winner: Times Higher Education's Widening Participation Initiative of the Year 2009 and Herald Society's Education Initiative of the Year 2009.
http://www.gcu.ac.uk/newsevents/news/bycategory/theuniversity/1/name,6219,en.html

Winner: Times Higher Education's Outstanding Support for Early Career Researchers of the Year 2010, GCU as a lead with Universities Scotland partners.
http://www.gcu.ac.uk/newsevents/news/bycategory/theuniversity/1/name,15691,en.html



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Glasgow Caledonian University is a registered Scottish charity, number SC021474

Winner: Times Higher Education's Widening Participation Initiative of the Year 2009 and Herald Society's Education Initiative of the Year 2009.
http://www.gcu.ac.uk/newsevents/news/bycategory/theuniversity/1/name,6219,en.html

Winner: Times Higher Education's Outstanding Support for Early Career Researchers of the Year 2010, GCU as a lead with Universities Scotland partners.
http://www.gcu.ac.uk/newsevents/news/bycategory/theuniversity/1/name,15691,en.html
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