public function deleteBlockType(SuperTable_BlockTypeModel $blockType)
{
$transaction = craft()->db->getCurrentTransaction() === null ? craft()->db->beginTransaction() : null;
try {
// First delete the blocks of this type
$blockIds = craft()->db->createCommand()->select('id')->from('supertableblocks')->where(array('typeId' => $blockType->id))->queryColumn();
$this->deleteBlockById($blockIds);
// Now delete the block type fields
$originalFieldColumnPrefix = craft()->content->fieldColumnPrefix;
craft()->content->fieldColumnPrefix = 'field_';
foreach ($blockType->getFields() as $field) {
craft()->fields->deleteField($field);
}
craft()->content->fieldColumnPrefix = $originalFieldColumnPrefix;
// Delete the field layout
craft()->fields->deleteLayoutById($blockType->fieldLayoutId);
// Finally delete the actual block type
$affectedRows = craft()->db->createCommand()->delete('supertableblocktypes', array('id' => $blockType->id));
if ($transaction !== null) {
$transaction->commit();
}
return (bool) $affectedRows;
} catch (\Exception $e) {
if ($transaction !== null) {
$transaction->rollback();
}
throw $e;
}
}