function fetchElement()
{
$html = N2Html::tag('div', array('class' => 'n2-form-element-text n2-form-element-icon n2-border-radius'), N2Html::image(N2Image::base64Transparent(), '', array('class' => 'n2-form-element-preview')) . '<a id="' . $this->_id . '_edit" class="n2-form-element-button n2-h5 n2-uc" href="#">' . n2_('Choose') . '</a>' . parent::fetchElement());
N2JS::addInline('
new NextendElementIconManager("' . $this->_id . '");
');
return $html;
}
public function actionGenerateImage()
{
$this->validateToken();
$device = N2Request::getVar('device');
$this->validateVariable($device == 'tablet' || $device == 'mobile', 'device');
$image = N2Request::getVar('image');
$this->validateVariable(!empty($image), 'image');
N2Loader::import('libraries.image.image');
$scale = array('tablet' => 0.5, 'mobile' => 0.3);
$newImage = N2Image::scaleImage('image', $image, $scale[$device], true);
$this->response->respond(array('image' => N2ImageHelper::fixed($newImage)));
}
protected static function optimizeImage($image, $data, $slider)
{
$lazyLoad = $slider->features->lazyLoad;
$imagePath = N2ImageHelper::fixed($image, true);
if ($imagePath[0] == '/' && $imagePath[1] != '/' && $lazyLoad->layerImageSizeBase64 && $lazyLoad->layerImageSizeBase64Size && filesize($imagePath) < $lazyLoad->layerImageSizeBase64Size) {
return array('src' => N2Image::base64($imagePath, $image));
}
if (!$lazyLoad->layerImageOptimize || !$data->get('image-optimize', 1)) {
return array('src' => N2ImageHelper::fixed($image));
}
$tablet = N2Image::scaleImage('image', $image, $lazyLoad->layerImageTablet);
$mobile = N2Image::scaleImage('image', $image, $lazyLoad->layerImageMobile);
if ($image == $tablet && $image == $mobile) {
return array('src' => N2ImageHelper::fixed($image));
}
return array('src' => N2Image::base64Transparent(), 'data-desktop' => N2ImageHelper::fixed($image), 'data-tablet' => N2ImageHelper::fixed($tablet), 'data-mobile' => N2ImageHelper::fixed($mobile), 'data-device' => '1');
}
private function getDefaultImage($src, $deviceAttributes)
{
if (count($deviceAttributes) > 2 || $this->slider->features->lazyLoad->isEnabled > 0) {
return N2Image::base64Transparent();
} else {
return N2ImageHelper::fixed($src);
}
}
