/**
* Initialize internal state based on input variables
*
* @return bool if initialization was successfull
*/
protected function initFromInput()
{
global $INPUT;
$this->schemadata = null;
$this->column = null;
$pid = $INPUT->str('pid');
list($table, $field) = explode('.', $INPUT->str('field'));
if (blank($pid)) {
return false;
}
if (blank($table)) {
return false;
}
if (blank($field)) {
return false;
}
$this->pid = $pid;
try {
$this->schemadata = AccessTable::byTableName($table, $pid);
} catch (StructException $ignore) {
return false;
}
$this->column = $this->schemadata->getSchema()->findColumn($field);
if (!$this->column || !$this->column->isVisibleInEditor()) {
$this->schemadata = null;
$this->column = null;
return false;
}
return true;
}
public function buildGetDataSQL()
{
return parent::buildGetDataSQL();
}
