/**
* Returns an array of all the available presets.
*
* @return array
*/
function data_get_available_presets($context) {
global $CFG, $USER;
$presets = array();
// First load the ratings sub plugins that exist within the modules preset dir
if ($dirs = get_list_of_plugins('mod/data/preset')) {
foreach ($dirs as $dir) {
$fulldir = $CFG->dirroot.'/mod/data/preset/'.$dir;
if (is_directory_a_preset($fulldir)) {
$preset = new stdClass();
$preset->path = $fulldir;
$preset->userid = 0;
$preset->shortname = $dir;
$preset->name = data_preset_name($dir, $fulldir);
if (file_exists($fulldir.'/screenshot.jpg')) {
$preset->screenshot = $CFG->wwwroot.'/mod/data/preset/'.$dir.'/screenshot.jpg';
} else if (file_exists($fulldir.'/screenshot.png')) {
$preset->screenshot = $CFG->wwwroot.'/mod/data/preset/'.$dir.'/screenshot.png';
} else if (file_exists($fulldir.'/screenshot.gif')) {
$preset->screenshot = $CFG->wwwroot.'/mod/data/preset/'.$dir.'/screenshot.gif';
}
$presets[] = $preset;
}
}
}
// Now add to that the site presets that people have saved
$presets = data_get_available_site_presets($context, $presets);
return $presets;
}
header('Cache-Control: must-revalidate,post-check=0,pre-check=0');
header('Pragma: public');
$exportfilehandler = fopen($exportfile, 'rb');
print fread($exportfilehandler, filesize($exportfile));
fclose($exportfilehandler);
unlink($exportfile);
exit(0);
} else if ($formdata = $form_save->get_data()) {
if (!empty($formdata->overwrite)) {
data_delete_site_preset($formdata->name);
}
// If the preset exists now then we need to throw an error.
$sitepresets = data_get_available_site_presets($context);
foreach ($sitepresets as $key=>$preset) {
if ($formdata->name == $preset->name) {
print_error('errorpresetexists', 'preset');
}
}
// Save the preset now
data_presets_save($course, $cm, $data, $formdata->name);
echo $OUTPUT->notification(get_string('savesuccess', 'data'), 'notifysuccess');
echo $OUTPUT->continue_button($PAGE->url);
echo $OUTPUT->footer();
exit(0);
} else {
$action = optional_param('action', null, PARAM_ALPHA);
