Hi Luís Rocha Graça,

Thank you for raising this issue.

I'm going to close this issue as it's actually a symptom rather than a root cause. You have some form of JavaScript error on the page which is stopping the rest of the JavaScript from working. If you open the browser's developer tools (Usually press F12) and then select the console and refresh the page, you should find some errors.

I'd advise copying these and/or screenshotting them and posting them into the forums on moodle.org. I would imagine that you have a third-party add-on which has some broken JavaScript.

Best wishes and thanks again,

Andrew

Hello Andrew,

Thank you for your reply.

Indeed I looked for the errors console and there was nothing that raised my attention to any problem. Also this problem didn't happened only to me. There were other users relating the very same problem.

The problems were these:

Failed to load resource: the server responded with a status of 404 (Not Found) http://www.green4win.com/moodle/theme/aardvark/pix/graphics/default.jpg
event.returnValue is deprecated. Please use the standard event.preventDefault() instead. www-embed-player-vflUmkt61.js:27
Failed to load resource: the server responded with a status of 404 (Not Found) http://www.zonaverde.pt/wp-content/themes/Avada/framework/plugins/revslider/rs-plugin/css/images/ls_next.png
Failed to load resource: the server responded with a status of 404 (Not Found) http://www.zonaverde.pt/wp-content/themes/Avada/framework/plugins/revslider/rs-plugin/css/images/ls_prev.png
Failed to load resource http://192.168.2.253/zonaverde/zonaverde.pt/wp-content/themes/Avada/images/page_title_bg.png
body.scrollLeft is deprecated in strict mode. Please use 'documentElement.scrollLeft' if in strict mode and 'body.scrollLeft' only if in quirks mode.
Failed to load resource: the server responded with a status of 404 (Not Found) http://getfirebug.com/releases/lite/skin/xp/pixel_transparent.gif
'window.webkitStorageInfo' is deprecated. Please use 'navigator.webkitTemporaryStorage' or 'navigator.webkitPersistentStorage' instead.
Failed to load resource: the server responded with a status of 404 (Not Found) http://getfirebug.com/releases/lite/skin/xp/pixel_transparent.gif

Do you see anything that could interfere with the problem?

Many thanks,

Luís

Hi Luis,

It's difficult to tell from that copy of the logs because it's wrapped very strangely, but it looks like you have an embedded media player still on the page, and there may be some other things going on. I can't see any errors as such - just a few warnings, and notes about images which couldn't load.

Sorry I can't be more help,

Andrew

Andrew,
I am having the same issue as Luis.
There are no JS errors in the JS console.
Running moodle 2.6 on ubuntu 13.10. chrome browser Version 31.0.1650.63
Cannot expand Course categories.

How come this is "not a bug" and is closed unresolved? I have freshly installed Moodle 2.6 (2013111800.00) without any add-ons and front page collapsible course list does not work. Tested on Chrome and Firefox - no joy. No Javascript errors either.

Hi there Andrew,

Please investigate this issue, because there are many other users with the same problem.

Many thanks,

Luís

It has something to do with Max Category depth setting in the front page settings. Expand/Collapse works if maxcategorydepth setting is not unlimited or not greater than actual max depth. In other words, the cases are:

• maxcategorydepth = unlimited - this does not work at all
• maxcategorydepth = 2, when actual category structure has depth of 2 or more - works on my clean installation, but doesn't work on client's site (migrated from the older version)
• maxcategorydepth = 3, when actual category structure has depth of 2 - didn't work.

I'm reopening this issue as there are enough people commenting on this issue to lead me to believe this issue was closed prematurely.

Note there is an open issue in MDL-42977 which might be related (i've not investigated at all, sorry, just don't want these comments to get lost).

I found why it was not working. AJAX has to be enabled (your.moodle.url/admin/settings.php?section=ajax) in order to function correctly.
However this is very misleading. If Expand/Collapse cannot function without AJAX, then Expand/Collapse links should not be there at all. Otherwise, it should work correctly even if AJAX is disabled (looks like it is intended to work without AJAX as in some cases, mentioned in previous notes, it works.

Hope that helps.

Hmm,

I suspect that this is an oversight more than anything. MDL-33099 deals with the removal of the ajaxenabled functionality entirely.

Can I ask what you're using that setting for?

Thanks,

Andrew

Results for MDL-43504

• Remote repository: git://github.com/andrewnicols/moodle.git

• Remote branch MDL-43504-25 to be integrated into upstream MOODLE_25_STABLE
  • Executed job http://integration.moodle.org/job/Precheck%20remote%20branch/1253
  • Details: http://integration.moodle.org/job/Precheck%20remote%20branch/1253/artifact/work/smurf.html

• Remote branch MDL-43504-26 to be integrated into upstream MOODLE_26_STABLE
  • Executed job http://integration.moodle.org/job/Precheck%20remote%20branch/1254
  • Details: http://integration.moodle.org/job/Precheck%20remote%20branch/1254/artifact/work/smurf.html

• Remote branch MDL-43504-master to be integrated into upstream master
  • Executed job http://integration.moodle.org/job/Precheck%20remote%20branch/1255
  • Details: http://integration.moodle.org/job/Precheck%20remote%20branch/1255/artifact/work/smurf.html

the patch makes sense to me, +1, submitting for integration, thanks

The main moodle.git repository has just been updated with latest weekly modifications. You may wish to rebase your PULL branches to simplify history and avoid any possible merge conflicts. This would also make integrator's life easier next week.

TIA and ciao

Moving this issue to current integration cycle, will be reviewed soon. Thanks for the hard work!

Made an additional change following further info from Eloy.

It looks like for people who only have the list of categories, and have all categories shown by default, then the code wasn't being included.

I've added an appropriate fix - it looks like there were two bugs at play here though and both need to be fixed.

Those testing instructions almost sound like behat commands (hint, hint). Please consider this in future.

This is still failing for me.

With only categories list on the front page, and max depth unlimited. I get one category shown, and the expand/collapse twistie is white and non-clickable. The Expand/Collapse all link says Collapse all - If I click it it changes to Expand all and nothing else changes. Clicking it again does nothing.

Looking...

Sorry - I was confused because I had no sub categories and I don't understand a thing on that front page.

Testing instructions were missing the bit about having nested subcategories to expand.

Yes, Behat would be nice...

Thanks Andrew,

Integrated to 25, 26 and master.

Now I have sub-categories it seems to work for me.

Passing, testing in 25 and 26; after commenting it with Andrew I haven't tested it in master as enableajax has been removed

I claim to be a simple individual
liable to err like any other fellow mortal.
I own, however, that I have humility enough
to confess my errors and to retrace my steps.

Mahatma Gandhi

Your awesome code has met upstream, closing, thanks!