/**
* Crop an image file to a square thumbnail.
* The thumbnail will be saved with the suffix "<width>_thumb_square"
* @param File $basefile the file to crop.
* @param number $maxDimension limit maximum with/height.
* @return string the thumbnail's url or null if an error occured.
*/
public static function getSquareThumbnailUrlFromFile($basefile = null, $maxDimension = 1000)
{
if ($basefile === null) {
return;
}
$suffix = $maxDimension . '_thumb_square';
$originalFilename = $basefile->getStoredFilePath();
$previewFilename = $basefile->getStoredFilePath($suffix);
// already generated
if (is_file($previewFilename)) {
return $basefile->getUrl($suffix);
}
// Check file exists & has valid mime type
if ($basefile->getMimeBaseType() != "image" || !is_file($originalFilename)) {
return "";
}
$imageInfo = @getimagesize($originalFilename);
// check valid image dimesions
if (!isset($imageInfo[0]) || !isset($imageInfo[1])) {
return "";
}
// Check if image type is supported
if ($imageInfo[2] != IMAGETYPE_PNG && $imageInfo[2] != IMAGETYPE_JPEG && $imageInfo[2] != IMAGETYPE_GIF) {
return "";
}
$dim = min($imageInfo[0], $imageInfo[1], $maxDimension);
ImageConverter::Resize($originalFilename, $previewFilename, array('mode' => 'force', 'width' => $dim, 'height' => $dim));
return $basefile->getUrl($suffix);
}
/**
* Handles a single upload by given CUploadedFile and returns an array
* of informations.
*
* The 'error' attribute of the array, indicates there was an error.
*
* Informations on error:
* - error: true
* - errorMessage: some message
* - name: name of the file
* - size: file size
*
* Informations on success:
* - error: false
* - name: name of the uploaded file
* - size: file size
* - guid: of the file
* - url: url to the file
* - thumbnailUrl: url to the thumbnail if exists
*
* @param type $cFile
* @return Array Informations about the uploaded file
*/
protected function handleFileUpload($cFile, $object = null, $publicAccess = false)
{
$output = array();
$file = new File();
$file->setUploadedFile($cFile);
$file->public_access = $publicAccess;
if ($object != null) {
$file->object_id = $object->getPrimaryKey();
$file->object_model = get_class($object);
}
if ($file->validate() && $file->save()) {
$output['error'] = false;
$output['guid'] = $file->guid;
$output['name'] = $file->file_name;
$output['title'] = $file->title;
$output['size'] = $file->size;
$output['mimeIcon'] = HHtml::getMimeIconClassByExtension($file->getExtension());
$output['mimeBaseType'] = $file->getMimeBaseType();
$output['mimeSubType'] = $file->getMimeSubType();
$output['url'] = $file->getUrl("", false);
$output['thumbnailUrl'] = $file->getPreviewImageUrl(200, 200);
} else {
$output['error'] = true;
$output['errors'] = $file->getErrors();
}
$output['name'] = $file->file_name;
$output['size'] = $file->size;
$output['deleteUrl'] = "";
$output['deleteType'] = "";
$output['thumbnailUrl'] = "";
return $output;
}
