function deletenote_submit(Pieform $form, array $values)
{
global $SESSION, $data, $baseurl;
require_once 'embeddedimage.php';
$id = $data[$values['delete']]->id;
$note = new ArtefactTypeHtml($id);
$note->delete();
$SESSION->add_ok_msg(get_string('notedeleted', 'artefact.internal'));
redirect($baseurl);
}
/**
* This function is meant to be run (either via the "convertnotes.php" CLI script,
* or from the blocktype/text plugin config page) shortly after upgrading to
* Mahara 1.10. It will locate all the existing Note blocks & their underlying Note
* artefacts, and convert them into simple Text blocks if they are not using
* any of the Note artefact's advanced features.
*
* @param integer $limit Limit the number of records processed to this many.
* @return integer The number of notes converted
*/
public static function convert_notes_to_text_blocks($limit = null)
{
$rs = self::find_convertible_text_blocks($limit);
if (!$rs) {
log_info("No old-style Text Box blocks to process.");
return 0;
}
$total = $rs->NumRows();
$countprocessed = 0;
$countconverted = 0;
log_info("Preparing to process {$total} old-style Text Box blocks.");
while ($record = $rs->FetchRow()) {
$countprocessed++;
if ($countprocessed % 1000 == 0) {
log_info("{$countprocessed}/{$total} processed...");
}
$record = (object) $record;
$oldconfigdata = unserialize($record->configdata);
// don't convert textboxes with tags, because the text doesn't support tags
if (array_key_exists('tags', $oldconfigdata) && count($oldconfigdata['tags']) > 0) {
continue;
}
// don't convert textboxes with a license, because the text
// doesn't support licenses
if (array_key_exists('license', $oldconfigdata) && strlen($oldconfigdata['license']) > 0) {
continue;
}
// don't convert textboxes with connected artefacts, because the text
// doesn't support additional artefacts
if (array_key_exists('artefactids', $oldconfigdata) && count($oldconfigdata['artefactids']) > 0) {
continue;
}
// ignore if the artefacttype returned is not 'html' - seems to exist if a text box has a download link in the markup
if ($record->artefacttype != 'html') {
continue;
}
db_begin();
$record = (object) array('id' => $record->id, 'configdata' => $oldconfigdata, 'artefact' => $record->artefact);
$htmlartefact = new ArtefactTypeHtml($record->artefact);
$newconfigdata = array('text' => $htmlartefact->get('description'), 'retractable' => false, 'retractedonload' => false);
if (array_key_exists('retractable', $record->configdata)) {
$newconfigdata['retractable'] = $record->configdata['retractable'];
}
if (array_key_exists('retractedonload', $record->configdata)) {
$newconfigdata['retractedonload'] = $record->configdata['retractedonload'];
}
$whereobj = (object) array('id' => $record->id);
$newobj = (object) array('blocktype' => 'text', 'configdata' => serialize($newconfigdata));
update_record('block_instance', $newobj, $whereobj);
$htmlartefact->delete();
$countconverted++;
db_commit();
}
return $countconverted;
}
/**
* Pieform success callback function for the config form. Converts the
* text blocks, if the checkbox is ticked
*
* @param $form the pieform to send the ok-message to
* @param array $values
*/
public static function save_config_options($form, $values)
{
global $SESSION;
if (!array_key_exists('convertcheckbox', $values) || !$values['convertcheckbox']) {
return;
}
$records = self::find_convertible_text_blocks();
$countconverted = 0;
db_begin();
foreach ($records as $record) {
$htmlartefact = new ArtefactTypeHtml($record->artefact);
$newconfigdata = array('text' => $htmlartefact->get('description'), 'retractable' => false, 'retractedonload' => false);
if (array_key_exists('retractable', $record->configdata)) {
$newconfigdata['retractable'] = $record->configdata['retractable'];
}
if (array_key_exists('retractedonload', $record->configdata)) {
$newconfigdata['retractedonload'] = $record->configdata['retractedonload'];
}
$whereobj = (object) array('id' => $record->id);
$newobj = (object) array('blocktype' => 'text', 'configdata' => serialize($newconfigdata));
update_record('block_instance', $newobj, $whereobj);
$htmlartefact->delete();
$countconverted++;
}
db_commit();
$form->json_reply(PIEFORM_OK, get_string('convertibleokmessage', 'blocktype.text', $countconverted));
}
