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64 lines
1.5 KiB
64 lines
1.5 KiB
<?php |
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/** |
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* @link http://www.yiiframework.com/ |
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* @copyright Copyright (c) 2008 Yii Software LLC |
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* @license http://www.yiiframework.com/license/ |
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*/ |
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namespace yii\widgets; |
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use Yii; |
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use yii\base\Widget; |
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use yii\base\Model; |
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use yii\base\InvalidConfigException; |
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/** |
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* InputWidget is the base class for widgets that collect user inputs. |
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* |
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* An input widget can be associated with a data model and an attribute, |
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* or a name and a value. If the former, the name and the value will |
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* be generated automatically. |
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* |
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* @author Qiang Xue <qiang.xue@gmail.com> |
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* @since 2.0 |
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*/ |
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class InputWidget extends Widget |
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{ |
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/** |
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* @var Model the data model that this widget is associated with. |
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*/ |
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public $model; |
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/** |
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* @var string the model attribute that this widget is associated with. |
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*/ |
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public $attribute; |
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/** |
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* @var string the input name. This must be set if [[model]] and [[attribute]] are not set. |
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*/ |
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public $name; |
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/** |
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* @var string the input value. |
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*/ |
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public $value; |
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/** |
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* Initializes the widget. |
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* If you override this method, make sure you call the parent implementation first. |
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*/ |
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public function init() |
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{ |
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if (!$this->hasModel() && $this->name === null) { |
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throw new InvalidConfigException("Either 'name' or 'model' and 'attribute' properties must be specified."); |
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} |
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parent::init(); |
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} |
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/** |
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* @return boolean whether this widget is associated with a data model. |
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*/ |
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protected function hasModel() |
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{ |
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return $this->model instanceof Model && $this->attribute !== null; |
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} |
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}
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