/**
* Loads a single DbObject from the database.
* @access private
*/
private function loadUnique()
{
$ret = ArrayUtility::firstElement($this->loadMultiple());
return $ret;
}
/**
* Print some data to the standard output
* @param string - the string to be outed to the output
* @access public
*/
public function out($string)
{
if (is_array($string)) {
$string = ArrayUtility::firstElement($string);
}
Display::outToStandardOutput($string);
}
/**
* Set the array 'selected' array of this ButtonGroup
*
* The 'selected' array is an array of buttons that will be
* checked, or selected for radio groups. Only one button
* can actually be selected if this ButtonGroup will be used
* to display a radio group
* @param selected - the array of selected items (corresponding
* to the 'value' of each of the selected
* buttons, ie. the key of the each element
* of the 'values' array passed into the
* constructor
*/
function setSelected($selected)
{
if ($selected instanceof FormOption) {
$selected = $selected->standardValue();
} else {
if (is_array($selected) && ArrayUtility::firstElement($selected) instanceof FormOption) {
$newsel = array();
foreach ($selected as $opt) {
$newsel[] = $opt->standardValue();
}
$selected = $newsel;
}
}
if (is_array($selected) && $this->type == ButtonGroup::RADIO) {
$selected = ArrayUtility::firstElement($selected);
}
if (is_array($selected) && $this->type == ButtonGroup::CHECK || !is_array($selected) && $this->type == ButtonGroup::RADIO || $selected === '' && $this->type == ButtonGroup::RADIO) {
$this->selected = $selected;
} else {
if (!is_array($selected) && trim($selected) === '' && $this->type == ButtonGroup::CHECK) {
$this->selected = array();
} else {
if ($this->type != ButtonGroup::NONE && trim($selected) !== '') {
throw new Exception('Invalid selected passed ' . $selected);
}
}
}
}
function setSelected($key)
{
if ($key instanceof FormOption) {
$key = strval($key->completeKey());
} else {
if (is_array($key) && ArrayUtility::firstElement($key) instanceof FormOption) {
$newsel = array();
foreach ($key as $opt) {
$newsel[] = strval($opt->completeKey());
}
$key = $newsel;
} else {
if (is_array($key)) {
$newsel = array();
foreach ($key as $val) {
$newsel[] = strval($val);
}
$key = $newsel;
}
}
}
if (is_array($key) && !$this->multiple) {
$key = ArrayUtility::firstElement($key);
}
$this->selected = $key;
}
