/**
* Initializes the widget.
* This method is called by {@link CBaseController::createWidget}
* and {@link CBaseController::beginWidget} after the widget's
* properties have been initialized.
*/
public function init()
{
// check that the necessary info has been passed in to the widget
if (!$this->hasModelRelation()) {
throw new CException(Yii::t('yii', '{class} must specify "model" and "relation" values.', array('{class}' => get_class($this))));
}
// set the name if there is an override
//$this->resolveName();
// Sort out the type of relation, and set it up accordingly
$relations = $this->model->relations();
// $key = Name of the Relation
// $value[0] = Type of the Relation
// $value[1] = Related Model
// $value[2] = Related Field or Many_Many Table
if ($details = $relations[$this->relation]) {
$this->_relationType = $details[0];
// save the type of relation
$this->_relatedModel = new $details[1]();
// set up an model of the related kind
$this->_relatedModelPk = $this->_relatedModel->tableSchema->primaryKey;
// get the related model's primay key
switch ($this->_relationType) {
case 'CBelongsToRelation':
$this->setupBelongsTo($details);
break;
case 'CHasOneRelation':
throw new CException('CHasOneRelation not supported by SRelationWidget yet');
// todo handle HasOne relations
//$this->setupHasOne($details);
break;
case 'CManyManyRelation':
$this->setupManyMany($details);
break;
case 'CHasManyRelation':
throw new CException('CHasManyRelation not supported by SRelationWidget yet');
// todo handle HasMany relations
//$this->setupHasMany($details);
break;
default:
throw new CException('Unknown relation type for SRelationWidget');
}
}
}
