MultipleSteps.php
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<?php
/**
* +-----------------------------------------------------------------------------------------------------------------------
* 重写 laravel-admin Widgets\MultipleSteps 类
* +-----------------------------------------------------------------------------------------------------------------------
*
* PHP version 7
*
* @category App\Admin\Rewrite\Widgets
* @package App\Admin\Rewrite\Widgets
* @author Richer <yangzi1028@163.com>
* @date 2020年11月12日13:49:31
* @copyright 2020-2022 Richer (http://www.Richer.com/)
* @license http://www.Richer.com/ License
* @link http://www.Richer.com/
*/
namespace App\Admin\Rewrite\Widgets;
use Illuminate\Contracts\Support\Renderable;
/**
* Class MultipleSteps
*
* @category App\Admin\Rewrite\Widgets
* @package App\Admin\Rewrite\Widgets
* @author Richer <yangzi1028@163.com>
* @date 2020年11月12日13:49:31
* @copyright 2020-2022 Richer (http://www.Richer.com/)
* @license http://www.Richer.com/ License
* @link http://www.Richer.com/
*/
class MultipleSteps implements Renderable
{
/**
* @var int|string
*/
protected $current;
/**
* @var array
*/
protected $steps = [];
/**
* @var string
*/
protected $stepName = 'step';
/**
* MultipleSteps constructor.
*
* @param array $steps
* @param null $current
*/
public function __construct($steps = [], $current = null)
{
$this->steps = $steps;
$this->current = $this->resolveCurrentStep($steps, $current);
}
/**
* @param array $steps
* @param null $current
*
* @return static
*/
public static function make($steps, $current = null): self
{
return new static($steps, $current);
}
/**
* @param array $steps
* @param string|int $current
*
* @return string|int
*/
protected function resolveCurrentStep($steps, $current)
{
$current = $current ?: request($this->stepName, 0);
if (!isset($steps[$current])) {
$current = key($steps);
}
return $current;
}
/**
* @return string|null
*/
public function render()
{
$class = $this->steps[$this->current];
if (!is_subclass_of($class, StepForm::class)) {
admin_error("Class [{$class}] must be a sub-class of [Encore\Admin\Widgets\StepForm].");
return;
}
/** @var StepForm $step */
$step = new $class();
return $step
->setSteps(array_keys($this->steps))
->setCurrent($this->current)
->render();
}
}