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<?php
namespace Scene7\Helpers\Html;
use Scene7\Requests;
class Picture extends AbstractTag
{
protected $image;
protected $sources = [];
public function __construct(array $attributes = [])
{
$this->setAttributes($attributes);
}
public function addSourceFromImage(Requests\Image $image, $multipliers = [], array $attributes = [])
{
$source = new Source($attributes);
$source->createFromImage($image, $multipliers);
return $this->addSource($source);
}
public function addSourceListFromImage(array $mediaQueries, Requests\Image $image, $multipliers = [], array $attributes = [])
{
foreach ($mediaQueries as $query => $imageAttributes) {
$cloneImg = clone $image;
foreach ($imageAttributes as $imageAttribute => $imageAttributeValue) {
$method = 'set' . ucfirst($imageAttribute);
if (is_callable([$cloneImg, $method])) {
$cloneImg->$method($imageAttributeValue);
}
}
$this->addSourceFromImage($cloneImg, $multipliers, array_merge($attributes, ['media' => $query]));
}
return $this;
}
public function setImage($image, array $attributes = [])
{
if (!($image instanceof Image)) {
$image = new Image($image, $attributes['alt'] ?: '', $attributes);
}
$this->image = $image;
return $this;
}
public function addSource(Source $source)
{
$this->sources[] = $source;
return $this;
}
public function render()
{
$tag = '<picture' . $this->renderAttributes() . '>';
$tag .= $this->renderSources();
$tag .= $this->renderImage();
return $tag . '</picture>';
}
protected function renderSources()
{
$sources = '';
foreach ($this->sources as $source) {
$sources .= $source->render();
}
return $sources;
}
protected function renderImage()
{
if (!($this->image instanceof Image)) {
throw new \RuntimeException('No image set');
}
return $this->image->render();
}
public function __toString()
{
return $this->render();
}
}