TPS
/
ORIENT
2
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Keep relation constraints in Relation form widget

This commit is contained in:
Sam Georges 2014-09-23 07:55:40 +10:00
parent 848376028f
commit 5f12d9fc9b
1 changed files with 30 additions and 20 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

50
modules/backend/formwidgets/Relation.php
View File

@ -3,6 +3,7 @@
use Lang;
use Backend\Classes\FormWidgetBase;
use System\Classes\SystemException;
use Illuminate\Database\Eloquent\Relations\Relation as RelationBase;
/**
* Form Relationship
@ -89,30 +90,39 @@ class Relation extends FormWidgetBase
*/
protected function makeRenderFormField()
{
$field = clone $this->formField;
$relatedObj = $this->model->makeRelation($this->relationName);
$query = $relatedObj->newQuery();
return $this->renderFormField = RelationBase::noConstraints(function() {
if (in_array($this->relationType, ['belongsToMany', 'morphToMany', 'morphedByMany'])) {
$field->type = 'checkboxlist';
}
else if ($this->relationType == 'belongsTo') {
$field->type = 'dropdown';
$field->placeholder = $this->emptyOption;
}
$field = clone $this->formField;
// It is safe to assume that if the model and related model are of
// the exact same class, then it cannot be related to itself
if ($this->model->exists && (get_class($this->model) == get_class($relatedObj))) {
$query->where($relatedObj->getKeyName(), '<>', $this->model->id);
}
list($model, $attribute) = $this->getModelArrayAttribute($this->relationName);
$relatedObj = $model->makeRelation($attribute);
$query = $model->{$attribute}()->newQuery();
if (in_array('October\Rain\Database\Traits\NestedTree', class_uses($relatedObj)))
$field->options = $query->listsNested($this->nameFrom, $relatedObj->getKeyName());
else
$field->options = $query->lists($this->nameFrom, $relatedObj->getKeyName());
if (in_array($this->relationType, ['belongsToMany', 'morphToMany', 'morphedByMany'])) {
$field->type = 'checkboxlist';
}
else if ($this->relationType == 'belongsTo') {
$field->type = 'dropdown';
$field->placeholder = $this->emptyOption;
}
return $this->renderFormField = $field;
// It is safe to assume that if the model and related model are of
// the exact same class, then it cannot be related to itself
if ($model->exists && (get_class($model) == get_class($relatedObj))) {
$query->where($relatedObj->getKeyName(), '<>', $model->id);
}
// Even though "no constraints" is applied, belongsToMany constrains the query
// by joining its pivot table. Remove all joins from the query.
$query->getQuery()->getQuery()->joins = [];
if (in_array('October\Rain\Database\Traits\NestedTree', class_uses($relatedObj)))
$field->options = $query->listsNested($this->nameFrom, $relatedObj->getKeyName());
else
$field->options = $query->lists($this->nameFrom, $relatedObj->getKeyName());
return $field;
});
}
/**