/**
* Using the supplied source table row, retrieve the initial value for
* this relationship. This is typically called by \Dewdrop\Db\Row when
* get() is first called for this relationship.
*
* @param Row $row
* @return array
*/
public function loadInitialValue(Row $row)
{
$value = $row->get($this->getSourceColumnName());
// If the anchor column has no value, we can assume this relationship has no value
if (!$value) {
return array();
}
$db = $row->getTable()->getAdapter();
$stmt = $db->select();
$whereName = $db->quoteIdentifier("{$this->xrefTableName}.{$this->getXrefAnchorColumnName()}");
$stmt->from($this->xrefTableName, array($this->getXrefReferenceColumnName()))->where("{$whereName} = ?", $value);
return $db->fetchCol($stmt);
}
/**
* Assign the provided row object to the named model. This will iterate
* over all the fields and call setRow() on each one associated with
* the named model so that their values can be set and retrieved for
* editing.
*
* @throws \Dewdrop\Fields\Exception
* @param string $modelName
* @param Row $row
* @return RowEditor
*/
public function setRow($modelName, Row $row)
{
$model = $this->getModel($modelName);
if ($model !== $row->getTable()) {
throw new Exception('The row should be from the same table instance.');
}
foreach ($this->fields as $field) {
if ($field instanceof DbField && $field->getTable() === $model) {
$field->setRow($row);
}
}
if ($this->deleteField) {
$this->deleteField->setRow($row);
}
if (array_key_exists($modelName, $this->defaultsByModelName)) {
$this->applyDefaultsToRow($row, $this->defaultsByModelName[$modelName]);
}
$this->rowsByName[$modelName] = $row;
return $this;
}
