/**
* Deletes a block type.
*
* @param MatrixBlockTypeModel $blockType The block type.
*
* @throws \Exception
* @return bool Whether the block type was deleted successfully.
*/
public function deleteBlockType(MatrixBlockTypeModel $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('matrixblocks')->where(array('typeId' => $blockType->id))->queryColumn();
$this->deleteBlockById($blockIds);
// Set the new contentTable
$originalContentTable = craft()->content->contentTable;
$matrixField = craft()->fields->getFieldById($blockType->fieldId);
$newContentTable = $this->getContentTableName($matrixField);
craft()->content->contentTable = $newContentTable;
// Set the new fieldColumnPrefix
$originalFieldColumnPrefix = craft()->content->fieldColumnPrefix;
craft()->content->fieldColumnPrefix = 'field_' . $blockType->handle . '_';
// Now delete the block type fields
foreach ($blockType->getFields() as $field) {
craft()->fields->deleteField($field);
}
// Restore the contentTable and the fieldColumnPrefix to original values.
craft()->content->fieldColumnPrefix = $originalFieldColumnPrefix;
craft()->content->contentTable = $newContentTable;
// Delete the field layout
craft()->fields->deleteLayoutById($blockType->fieldLayoutId);
// Finally delete the actual block type
$affectedRows = craft()->db->createCommand()->delete('matrixblocktypes', array('id' => $blockType->id));
if ($transaction !== null) {
$transaction->commit();
}
return (bool) $affectedRows;
} catch (\Exception $e) {
if ($transaction !== null) {
$transaction->rollback();
}
throw $e;
}
}
/**
* @param FieldModel $field
* @param MatrixBlockTypeModel $blockType
* @param array $blockTypeDef
* @param string $blockTypeHandle
*/
private function populateBlockType(FieldModel $field, MatrixBlockTypeModel $blockType, array $blockTypeDef, $blockTypeHandle)
{
$blockType->fieldId = $field->id;
$blockType->name = $blockTypeDef['name'];
$blockType->handle = $blockTypeHandle;
$blockTypeFields = array();
foreach ($blockType->getFields() as $blockTypeField) {
$blockTypeFields[$blockTypeField->handle] = $blockTypeField;
}
$newBlockTypeFields = array();
foreach ($blockTypeDef['fields'] as $blockTypeFieldHandle => $blockTypeFieldDef) {
$blockTypeField = array_key_exists($blockTypeFieldHandle, $blockTypeFields) ? $blockTypeFields[$blockTypeFieldHandle] : new FieldModel();
$this->populateField($blockTypeFieldDef, $blockTypeField, $blockTypeFieldHandle);
$newBlockTypeFields[] = $blockTypeField;
}
$blockType->setFields($newBlockTypeFields);
}
