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Form Relation widget now supports a custom name field 

Also detects NestedModel behavior listNested()
This commit is contained in:
Sam Georges 2014-05-28 12:37:38 +10:00
parent b47e3587f4
commit 6aaf4cce43
1 changed files with 31 additions and 2 deletions
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33
modules/backend/formwidgets/Relation.php
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@ -33,6 +33,21 @@ class Relation extends FormWidgetBase
*/
public $renderFormField;
/**
* @var string Model column to use for the name reference
*/
public $nameColumn = 'name';
/**
* @var string Model column to use for the description reference
*/
public $descriptionColumn = 'description';
/**
* @var string Empty value to use if the relation is singluar (belongsTo)
*/
public $emptyOption;
/**
* {@inheritDoc}
*/
@ -41,6 +56,10 @@ class Relation extends FormWidgetBase
$this->relationName = $this->formField->columnName;
$this->relationType = $this->model->getRelationType($this->relationName);
$this->nameColumn = $this->getConfig('nameColumn', $this->nameColumn);
$this->descriptionColumn = $this->getConfig('descriptionColumn', $this->descriptionColumn);
$this->emptyOption = $this->getConfig('emptyOption');
if (!$this->model->hasRelation($this->relationName))
throw new SystemException(Lang::get('backend::lang.model.missing_relation', ['class'=>get_class($this->controller), 'relation'=>$this->relationName]));
}
@ -70,6 +89,7 @@ class Relation extends FormWidgetBase
$field = clone $this->formField;
$relationObj = $this->model->{$this->relationName}();
$relatedObj = $this->model->makeRelation($this->relationName);
$query = $relatedObj->newQuery();
if ($this->relationType == 'belongsToMany') {
$field->type = 'checkboxlist';
@ -77,12 +97,21 @@ class Relation extends FormWidgetBase
}
else if ($this->relationType == 'belongsTo') {
$field->type = 'dropdown';
$field->placeholder = $this->emptyOption;
$foreignKey = $relationObj->getForeignKey();
$field->value = $this->model->$foreignKey;
}
// @todo Should be configurable
$field->options = $relatedObj->all()->lists('name', 'id');
// It is safe to assume that if the model and related model are of
// the exact same class, then it cannot be related to itself
if ($this->model->exists && (get_class($this->model) == get_class($relatedObj))) {
$query->where($relatedObj->getKeyName(), '<>', $this->model->id);
}
if ($relatedObj->isClassExtendedWith('October.Rain.Database.Behaviors.NestedSetModel'))
$field->options = $query->orderByNested()->listsNested($this->nameColumn, $relatedObj->getKeyName());
else
$field->options = $query->lists($this->nameColumn, $relatedObj->getKeyName());
return $this->renderFormField = $field;
}