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<?php
namespace Tev\Field\Model;
/**
* Image field.
*
* Provides access to different image sizes and base information where
* possible.
*/
class ImageField extends FileField
{
/**
* Full image width.
*
* @var int
*/
private $atWidth;
/**
* Full image height.
*
* @var int
*/
private $atHeight;
/**
* Get full image width.
*
* May be 0 depending on field config.
*
* @return int
*/
public function width()
{
return $this->atWidth;
}
/**
* Get full image height.
*
* May be 0 depending on field config.
*
* @return int
*/
public function height()
{
return $this->atHeight;
}
/**
* Get the image thumbnail URL if possible.
*
* @return string URL or empty string
*/
public function thumbnailUrl()
{
return $this->sizeUrl('thumbnail');
}
/**
* Get the image medium URL if possible.
*
* @return string URL or empty string
*/
public function mediumUrl()
{
return $this->sizeUrl('medium');
}
/**
* Get the image large URL if possible.
*
* @return string URL or empty string
*/
public function largeUrl()
{
return $this->sizeUrl('large');
}
/**
* Get an image URL of a specic size.
*
* @param string $size Image size (e.g thumbnail, large or custom size)
* @return string Image URL
*/
public function sizeUrl($size)
{
if (($this->base['return_format'] === 'array') && isset($this->base['value']['sizes'][$size])) {
return $this->base['value']['sizes'][$size];
} elseif ($this->base['return_format'] === 'id') {
if ($src = wp_get_attachment_image_src($this->id(), $size)) {
return $src[0];
}
}
return '';
}
/**
* {@inheritDoc}
*/
protected function normalize()
{
parent::normalize();
$val = $this->base['value'];
if ($val) {
switch ($this->base['return_format']) {
case 'array':
$this->atWidth = $val['width'];
$this->atHeight = $val['height'];
break;
case 'id':
$src = wp_get_attachment_image_src($this->id(), 'full');
$this->atWidth = $src[1];
$this->atHeight = $src[2];
break;
case 'url':
$this->atWidth = 0;
$this->atHeight = 0;
break;
default:
throw new Exception("Field format {$this->base['return_format']} not valid");
}
} else {
$this->atWidth = 0;
$this->atHeight = 0;
}
}
}