isProtected()) return false;
// split any combined values + convert from array to comma separated string
$input = $input ?: [];
$input = $this->array2str($input);
$value = is_null($this->local) ? $this->default : $this->local;
if ($value == $input) return false;
if ($this->pattern && !preg_match($this->pattern, $input)) {
$this->error = true;
$this->input = $input;
return false;
}
$this->local = $input;
return true;
}
/** @inheritdoc */
public function html(\admin_plugin_config $plugin, $echo = false)
{
$disable = '';
if ($this->isProtected()) {
$value = $this->protected;
$disable = 'disabled="disabled"';
} elseif ($echo && $this->error) {
$value = $this->input;
} else {
$value = is_null($this->local) ? $this->default : $this->local;
}
$key = htmlspecialchars($this->key);
// convert from comma separated list into array + combine complimentary actions
$value = $this->str2array($value);
$default = $this->str2array($this->default);
$input = '';
foreach ($this->choices as $choice) {
$idx = array_search($choice, $value);
$idx_default = array_search($choice, $default);
$checked = ($idx !== false) ? 'checked="checked"' : '';
// @todo ideally this would be handled using a second class of "default"
$class = (($idx !== false) === (false !== $idx_default)) ? " selectiondefault" : "";
$prompt = ($plugin->getLang($this->key . '_' . $choice) ?: htmlspecialchars($choice));
$input .= '' . "\n";
$input .= '\n";
$input .= '\n";
$input .= "
\n";
// remove this action from the disabledactions array
if ($idx !== false) unset($value[$idx]);
if ($idx_default !== false) unset($default[$idx_default]);
}
// handle any remaining values
if ($this->other != 'never') {
$other = implode(',', $value);
// test equivalent to ($this->_other == 'always' || ($other && $this->_other == 'exists')
// use != 'exists' rather than == 'always' to ensure invalid values default to 'always'
if ($this->other != 'exists' || $other) {
$class = (
(count($default) === count($value)) &&
(count($value) === count(array_intersect($value, $default)))
) ?
" selectiondefault" : "";
$input .= '' . "\n";
$input .= '\n";
$input .= '\n";
$input .= "
\n";
}
}
$label = '';
return [$label, $input];
}
/**
* convert comma separated list to an array and combine any complimentary values
*
* @param string $str
* @return array
*/
protected function str2array($str)
{
$array = explode(',', $str);
if (!empty($this->combine)) {
foreach ($this->combine as $key => $combinators) {
$idx = [];
foreach ($combinators as $val) {
if (($idx[] = array_search($val, $array)) === false) break;
}
if (count($idx) && $idx[count($idx) - 1] !== false) {
foreach ($idx as $i) unset($array[$i]);
$array[] = $key;
}
}
}
return $array;
}
/**
* convert array of values + other back to a comma separated list, incl. splitting any combined values
*
* @param array $input
* @return string
*/
protected function array2str($input)
{
// handle other
$other = trim($input['other']);
$other = empty($other) ? [] : explode(',', str_replace(' ', '', $input['other']));
unset($input['other']);
$array = array_unique(array_merge($input, $other));
// deconstruct any combinations
if (!empty($this->combine)) {
foreach ($this->combine as $key => $combinators) {
$idx = array_search($key, $array);
if ($idx !== false) {
unset($array[$idx]);
$array = array_merge($array, $combinators);
}
}
}
return implode(',', array_unique($array));
}
}