/**
*
* @return Yada_Field_Foreign
*/
public function through()
{
var_dump('ManytoMany Through');
if (!$this->through instanceof Yada_Field_Foreign) {
$init = NULL;
if (is_array($this->through)) {
list($model, $field) = $this->through;
if (is_array($model)) {
list($model, $init) = $model;
}
} elseif (is_string($this->through)) {
$model = $this->through;
$field = $this->related->name;
} else {
throw new Kohana_Exception('No through option specified for many-to-many field :field in model :model', array(':field' => $column, ':model' => Yada::common_name('model', $model)));
}
$model = Yada::model($model, $init);
$dynamic = Yada::class_name('model', 'Dynamic');
if ($model instanceof $dynamic) {
$this->_init_dynamic($model, $field);
$this->meta->attach($model);
} else {
// Focus the through model and get the meta data
$meta = $this->meta->meta($model);
// Get the Yada Field Object that points back to this model
$field = $meta->fields->{$field};
// Set that field's properties to point back to this model/field
$field->related = $this;
// Save the reference to that field
$this->through = $field;
}
}
// Focus the through model
$this->meta->model($this->through);
// return the through model
return $this->through;
}
/**
* Returns the current focused model, sets the focus if $class is specified
*
* @param Yada_Model|string $model
* @return Yada_Model
*/
public function model($model = NULL)
{
if ($model instanceof Yada_Model) {
if (!$this->_models->contains($model)) {
$this->attach($model);
} else {
$this->_current = $model;
$this->_meta = $this->_models->offsetGet($this->_current);
}
} elseif (is_string($model)) {
// Attach and initialize unknown models
$model = Yada::model($model);
$this->attach($model);
}
// Return the current Model object
return $this->_current;
}
