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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\Loop;
use Radic\BladeExtensions\Helpers\Loop;
/**
* 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
*/
class LoopHelper
{
protected $stack = [];
/**
* Creates a new loop with the given array and adds it to the stack.
*
* @param array $items The array that will be iterated
*/
public function newLoop($items)
{
$this->addLoopStack(new Loop\Loop($this, $items));
}
/**
* Set the namingConvention value.
*
* @param int $namingConvention
*
* @return LoopHelper
*/
public function setNamingConvention($namingConvention)
{
$this->namingConvention = $namingConvention;
return $this;
}
/**
* Adds a Loop to the stack.
*
* @param \Radic\BladeExtensions\Helpers\Loop|\Radic\BladeExtensions\Helpers\Loop\Loop $stackItem
*/
protected function addLoopStack(Loop\Loop $stackItem)
{
// Check stack for parent loop to register it with this loop
if (count($this->stack) > 0) {
$stackItem->setParentLoop(last($this->stack));
}
array_push($this->stack, $stackItem);
}
/**
* Returns the stack.
*
* @return array
*/
public function getStack()
{
return $this->stack;
}
/**
* getLastStack method.
*
* @return Loop
*/
public function getLastStack()
{
return end($this->stack);
}
/**
* Resets the stack.
*/
public function reset()
{
$this->stack = [];
}
/**
* To be called first inside the foreach loop. Returns the current loop.
*
* @return Loop $current The current loop data
*/
public function loop()
{
$current = end($this->stack);
$current->before();
return $current;
}
/**
* To be called before the end of the loop.
*/
public function looped()
{
if (! empty($this->stack)) {
end($this->stack)->after();
}
}
/**
* Should be called after the loop has finished.
*
* @param $loop
*/
public function endLoop(&$loop)
{
array_pop($this->stack);
if (count($this->stack) > 0) {
// This loop was inside another loop. We persist the loop variable and assign back the parent loop
$loop = end($this->stack);
} else {
// This loop was not inside another loop. We remove the var
//echo "l:(" . count($this->stack) . ") ";
$loop = null;
}
}
}