/**
* Return a boolean to indicate whether or not this filter is displayed
* depending upon whether any custom fields are found for this user
* @param string $field_type type of custom field to check
* @return boolean true if the filter is to show
*/
function check_for_custom_fields($field_type)
{
// Get custom course fields by context level
$context = context_level_base::get_custom_context_level($field_type, 'block_curr_admin');
$fields = field::get_for_context_level($context);
$fields = $fields ? $fields : array();
$testfields = array();
foreach ($fields as $field) {
//make sure the current user can access this field in at least one
//course context
$owners = field_owner::get_for_field($field);
if (!block_php_report_field_accessible($owners)) {
continue;
}
return true;
}
return false;
}
}
$categories = field_category::get_for_context_level($context);
$categories = $categories ? $categories : array();
// divide the fields into categories
$fieldsbycategory = array();
foreach ($categories as $category) {
$fieldsbycategory[$category->name] = array();
}
foreach ($fields as $field) {
if (is_array($fieldidlist) && in_array($field->id, $fieldidlist)) {
continue;
}
//make sure the current user can access this field in at least one
//course context
$owners = field_owner::get_for_field($field);
if (!block_php_report_field_accessible($owners)) {
continue;
}
$fieldsbycategory[$field->categoryname][] = $field;
}
print_header($site->shortname . ': ' . get_string('selectcustomfields', $lang_file));
// show list of available fields
if (empty($fieldsbycategory)) {
echo '<div>' . get_string('nofieldsfound', $lang_file) . '</div>';
} else {
echo '<div>' . get_string('customfields', $lang_file) . '</div>';
$table = null;
$columns = array('category' => get_string('category', $lang_file), 'name' => get_string('name', $lang_file));
foreach ($columns as $column => $cdesc) {
${$column} = $cdesc;
$table->head[] = ${$column};
