NanoGong/Converting to Moodle 2.0

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Note: You are currently viewing documentation for Moodle 2.0. Up-to-date documentation for the latest stable version is available here: NanoGong/Converting to Moodle 2.0.

Note: This article is a work in progress. Please use the page comments or an appropriate moodle.org forum for any recommendations/suggestions for improvement.



This page is for collecting relevant information for converting NanoGong to Moodle 2.0. Any help welcome!

Java settings

(Not sure if this is relevant, but better to keep in mind ...)

Filter

General information on filters in Moodle 2.0 can be found at Filters 2.0 and for developers at Filters 2.0.

Language folder

Add language folder: \lang\en\ and put filter_nanogong.php file with the following content there:

$string['filtername'] = 'NanoGong';

File:Nanogong filter folder structure.png

Filter function

The filter function is wrapped inside a class:

class filter_nanogong extends moodle_text_filter {
    function filter($text, array $options = array()){
    ...
    }
}

Note: The callback function has to be outside this class definition!

Preventing caching

$CFG->currenttextiscacheable = false;

is deprecated, outcommented

File API

Proof of concept

  • Instead of the old file.php the new File API uses pluginfile.php.
  • I uploaded a test file (sentence.wav) as a resource to find out the internal URL Moodle uses for serving this file.
  • I then added this full URL as attribute to the NanoGong tag:
<nanogong 
    caption="Testing NanoGong..." 
    url="http://localhost/moodle-MOODLE_20_WEEKLY/pluginfile.php/130/mod_resource/content/1/sentence.wav"
/>
  • As the URL is already in its full format I just commented out the following lines in filter.php.
if ($url != "") {
    if ($CFG->slasharguments)
        $url; # = "{$CFG->wwwroot}/file.php$url";
    else
        $url; # = "{$CFG->wwwroot}/file.php?file=$url";
}
  • This works as a proof of concept.

Getting closer ...

This modification does also work:

NanoGong tag
<nanogong 
    caption="Testing NanoGong..." 
    url="/130/mod_resource/content/1/sentence.wav"
/>
filter.php
if ($url != "") {
    if ($CFG->slasharguments)
        $url = "{$CFG->wwwroot}/pluginfile.php$url";
    else
        $url; # = "{$CFG->wwwroot}/file.php?file=$url";
}

Documentation

See also

Necessary updating for Moodle 1.9
Migrating to Moodle 2.0
Forums
Moodle plugin database
NanoGong documentation