/**
* find out what the scheme's FK field for this relationship is called.
* By default, this is formed by
* ROLENAME_NAMEOFTARGETIDCOLUMN,
* but this can be overridden by the FK setting in the meta description.
*
* @param One_Relation_Adapter $adapter
* @param One_Scheme $source
* @param One_Relation_Adapter $backlink
* @return string
*/
public function remoteFK(One_Relation_Adapter $adapter, One_Scheme $source, One_Relation_Adapter $backlink)
{
if ($adapter->meta['fk:remote']) {
return $adapter->meta['fk:remote'];
}
$column = $source->getIdentityAttribute()->getName();
return $backlink->getName() . "_" . $column;
}
/**
* This will show the identity-attribute when the model is loaded
*
* @param One_Scheme $scheme
* @param One_Model $model
*/
public function afterLoadModel(One_Scheme $scheme, One_Model $model)
{
echo '<div style="display: inline; padding: 1px 3px;background-color: darkgreen;margin: 1px 2px;border: 1px solid green;">';
echo $scheme->getName();
echo ':';
$at = $scheme->getIdentityAttribute()->getName();
echo $model->{$at};
echo '</div>';
}
/**
* Convert an array to an instance of the specified scheme
*
* @param One_Scheme $scheme
* @param array $row
* @return One_Model
*/
private function &arrayToInstance(&$scheme, &$row)
{
// check the scheme cache
$idAttribute = $scheme->getIdentityAttribute();
$id = $row[$idAttribute->getName()];
$cached = One_Model_IdentityMap::find($scheme->getName(), $id);
if ($cached) {
return $cached;
}
// not found : create a new instance
// @TODO: use a specific class specified in the scheme
$model = One::make($scheme->getName());
$model->fromArray($row);
// fire afterLoad event for model
$model->afterLoad();
One_Model_IdentityMap::add($model);
return $model;
}
static function addObligatedWidgets(One_Form_Container_Form $form, One_Scheme $scheme)
{
// the form should always have a (hidden) widget with the value of the identityAttribute unless there is no identityAttribute
if (!is_null($scheme->getIdentityAttribute()) && !$form->hasWidget($scheme->getIdentityAttribute()->getName())) {
$form->addWidget(new One_Form_Widget_Scalar_Hidden($scheme->getIdentityAttribute()->getName(), $scheme->getIdentityAttribute()->getName(), NULL, array('one' => 'one', 'language' => strtolower(One_Config::get('app.language')))));
}
if (!$form->hasWidget('task')) {
$form->addWidget(new One_Form_Widget_Scalar_Hidden('task', 'task', NULL, array('default' => 'edit', 'one' => 'one', 'language' => strtolower(One_Config::get('app.language')))));
}
if (!$form->hasWidget('scheme')) {
$form->addWidget(new One_Form_Widget_Scalar_Hidden('scheme', 'scheme', NULL, array('default' => $scheme->getName(), 'one' => 'one', 'language' => strtolower(One_Config::get('app.language')))));
}
}
/**
* Convert an array to an instance of the specified scheme
*
* @param One_Scheme $scheme
* @param array $row
* @return One_Model
*/
protected function arrayToInstance(One_Scheme $scheme, $row)
{
// check the scheme cache
$idAttribute = $scheme->getIdentityAttribute();
$id = $row[$idAttribute->getName()];
$cached = One_Model_IdentityMap::find($scheme->getName(), $id);
if ($cached) {
return $cached;
}
// not found : create a new instance
//TODO: use a specific class specified in the scheme
$model = One::make($scheme->getName());
// PD17OCT08: for optimal performance, raw-store the data row entirely
$model->fromArray($row);
// fire afterLoad event for model
$model->afterLoad();
One_Model_IdentityMap::add($model);
return $model;
}
