<?php
namespace Nextend\SmartSlider3\SliderManager;
use Exception;
use Nextend\Framework\Asset\AssetManager;
use Nextend\Framework\Pattern\MVCHelperTrait;
use Nextend\Framework\Translation\Translation;
use Nextend\SmartSlider3\Application\Model\ModelSliders;
use Nextend\SmartSlider3\Application\Model\ModelSlidersXRef;
use Nextend\SmartSlider3\Slider\Cache\CacheSlider;
use Nextend\SmartSlider3\Slider\Slider;
class SliderManager {
use MVCHelperTrait;
protected $isAdmin;
protected $hasError = false;
protected $displayWhenEmpty = false;
protected $usage = 'Unknown';
/**
* @var Slider
*/
public $slider;
public $nextCacheRefresh;
/**
* @var ModelSlidersXRef
*/
private $xref;
/**
*
* @param MVCHelperTrait $MVCHelper
* @param $sliderIDorAlias
* @param $isAdmin
* @param array $parameters
*/
public function __construct($MVCHelper, $sliderIDorAlias, $isAdmin = false, $parameters = array()) {
$this->setMVCHelper($MVCHelper);
$this->isAdmin = $isAdmin;
$sliderID = false;
$model = new ModelSliders($this);
if (!is_numeric($sliderIDorAlias)) {
$slider = $model->getByAlias($sliderIDorAlias);
if ($slider) {
$sliderID = intval($slider['id']);
}
} else {
$sliderID = intval($sliderIDorAlias);
}
if ($sliderID) {
$this->init($sliderID, $parameters);
$this->xref = new ModelSlidersXRef($model);
AssetManager::addCachedGroup($this->slider->cacheId);
} else {
$this->hasError = true;
}
}
protected function init($sliderID, $parameters) {
$this->slider = new Slider($this->MVCHelper, $sliderID, $parameters, $this->isAdmin);
}
public function setUsage($usage) {
$this->usage = $usage;
if ($usage === 'iframe') {
$this->slider->isFrame = true;
}
}
/**
* @return Slider
*/
public function getSlider() {
return $this->slider;
}
/**
* @param $cache
*
* @return string contains already escaped data
*/
public function render($cache = false) {
if ($this->hasError) {
return '';
}
try {
if (!$cache) {
$this->slider->initAll();
if (($this->xref->isSliderAvailableInAnyGroups($this->slider->sliderId) || $this->isAdmin) && ($this->slider->hasSlides() || $this->displayWhenEmpty)) {
return $this->slider->render();
}
return '';
}
return $this->slider->addCMSFunctions($this->cacheSlider());
} catch (Exception $e) {
return '';
}
}
private function cacheSlider() {
$cache = new CacheSlider($this->slider->cacheId, array(
'slider' => $this->slider
));
$key = 'slider' . Translation::getCurrentLocale();
if ($this->slider->isFrame) {
$key .= 'iframe';
}
$cachedSlider = $cache->makeCache($key, '', array(
$this,
'renderCachedSlider'
));
$this->nextCacheRefresh = $cache->getData('nextCacheRefresh', false);
if ($cachedSlider === false) {
return '<!--Smart Slider #' . $this->slider->sliderId . ' does NOT EXIST or has NO SLIDES!' . $this->usage . '-->';
}
AssetManager::loadFromArray($cachedSlider['assets']);
return $cachedSlider['html'];
}
/**
* @return array|bool
* @throws Exception
*/
public function renderCachedSlider() {
AssetManager::createStack();
$content = array();
try {
$this->slider->initAll();
if (($this->xref->isSliderAvailableInAnyGroups($this->slider->sliderId) || $this->isAdmin) && $this->slider->hasSlides()) {
$content['html'] = $this->slider->render();
} else {
$content['html'] = '';
}
} catch (Exception $exception) {
$content['html'] = false;
}
$assets = AssetManager::removeStack();
if ($content['html'] === false) {
return false;
}
$content['assets'] = $assets;
return $content;
}
public function allowDisplayWhenEmpty() {
$this->displayWhenEmpty = true;
}
}