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|
<?php
namespace ipl\Html\Common;
use ipl\Html\Attributes;
use ipl\Html\Contract\FormElement;
/**
* Trait for form elements that can have the `multiple` attribute
*
* **Example usage:**
*
* ```
* namespace ipl\Html\FormElement;
*
* use ipl\Html\Common\MultipleAttribute;
*
* class SelectElement extends BaseFormElement
* {
* protected function registerAttributeCallbacks(Attributes $attributes)
* {
* // ...
* $this->registerMultipleAttributeCallback($attributes);
* }
* }
* ```
*/
trait MultipleAttribute
{
/** @var bool Whether the attribute `multiple` is set to `true` */
protected $multiple = false;
/**
* Get whether the attribute `multiple` is set to `true`
*
* @return bool
*/
public function isMultiple(): bool
{
return $this->multiple;
}
/**
* Set the `multiple` attribute
*
* @param bool $multiple
*
* @return $this
*/
public function setMultiple(bool $multiple): self
{
$this->multiple = $multiple;
return $this;
}
/**
* Register the callback for `multiple` Attribute
*
* @param Attributes $attributes
*/
protected function registerMultipleAttributeCallback(Attributes $attributes): void
{
$attributes->registerAttributeCallback(
'multiple',
[$this, 'isMultiple'],
[$this, 'setMultiple']
);
}
}
|
