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<?php
/**
* Copyright (c) 2017. Robin Radic.
*
* The license can be found in the package and online at https://radic.mit-license.org.
*
* @copyright 2017 Robin Radic
* @license https://radic.mit-license.org MIT License
* @version 7.0.0 Radic\BladeExtensions
*/
namespace Radic\BladeExtensions\Helpers;
use Illuminate\Contracts\Container\Container;
/**
* Manages the Loop instances.
*
* @version 2.1.0
* @author Robin Radic
* @license MIT License - http://radic.mit-license.org
* @copyright (2011-2014, Robin Radic - Radic Technologies
* @link http://robin.radic.nl/blade-extensions
*/
abstract class Stacker
{
protected $container;
/**
* The stack of Loop instances.
*
* @var array
*/
protected $stack = [];
/**
* {@inheritdoc}
*/
public function __construct(Container $container)
{
$this->container = $container;
}
/**
* Adds a Loop to the stack.
*/
public function start()
{
$stackItem = static::create(func_get_args());
array_push($this->stack, $stackItem);
$stackItem->start();
return $stackItem;
}
/**
* create.
*
* @param array $args
*
* @return mixed
*/
abstract protected function create($args = []);
/**
* Returns the stack.
*
* @return array
*/
public function getStack()
{
return $this->stack;
}
/**
* Resets the stack.
*/
public function reset()
{
$this->stack = [];
}
/**
* To be called first inside the foreach loop. Returns the current loop.
*
* @return mixed $current The current loop data
*/
public function current()
{
$current = end($this->stack);
return $current;
}
/**
* To be called before the end of the loop.
*/
public function end()
{
if (! $this->isEmpty()) {
static::current()->end();
array_pop($this->stack);
}
}
/**
* isEmpty method.
*
* @return bool
*/
public function isEmpty()
{
return count($this->stack) === 0;
}
/**
* get container value.
*
* @return \Illuminate\Contracts\Container\Container
*/
public function getContainer()
{
return $this->container;
}
/**
* Set the container value.
*
* @param \Illuminate\Contracts\Container\Container $container
*
* @return Stacker
*/
public function setContainer($container)
{
$this->container = $container;
return $this;
}
}