/**
* Fill a field and return its value
*
* @param array field
* @param int maximum recoursion depth
* @return mixed field value (depending on type)
*/
private function fillField($a_field, $a_maxdepth = 100)
{
// check recursion or existing values
if (0 > $a_maxdepth--) {
return 'max depth reached!';
} elseif (isset($a_field['field_value'])) {
//echo "<br />FOUND: ". $a_field['field_name'] . " = ";
//var_dump($a_field['field_value']);
return $a_field['field_value'];
}
// get field values that are not yet known
switch ($a_field['field_type']) {
case ilExternalContentType::FIELDTYPE_ILIAS:
$value = $this->fillIliasField($a_field);
break;
case ilExternalContentType::FIELDTYPE_CALCULATED:
$value = $this->fillCalculatedField($a_field, $a_maxdepth);
break;
case ilExternalContentType::FIELDTYPE_TEMPLATE:
$value = $this->fillTemplateRec($a_field['template'], $a_maxdepth);
break;
}
// apply an encoding to the value
$value = ilExternalContentEncodings::_applyEncoding($a_field['encoding'], $value);
// save the value so that it is not re-calculated
$this->fields[$a_field['field_name']]['field_value'] = $value;
//echo "<br />FILLED: ". $a_field['field_name'] . " = ";
//var_dump($value);
return $value;
}
