/**
* Logic to deal with uploading the image file and generating thumbnails according to
* what has been specified in the $thumbnails array.
*
* @param Validation $validation
* @param Jelly_Model $model
* @param string $field
* @return bool
* @uses Image::factory
*/
public function _upload(Validation $validation, $model, $field)
{
if (!parent::_upload($validation, $model, $field)) {
// Couldn't save the original untouched
return FALSE;
}
$file = $validation[$field];
//no need upload if post helper isset
if (!empty($_POST[self::$post_file_helper_prefix . $this->name])) {
$this->_filename = $_POST[self::$post_file_helper_prefix . $this->name];
return TRUE;
}
// Set the filename and the source
$filename = $this->_filename;
$source = $filename;
if ($model->changed($field)) {
// Process thumbnails
foreach ($this->thumbnails as $thumbnail) {
if (!isset($thumbnail['path'])) {
// Set the thumbnail path to the original's path if not set
$thumbnail['path'] = $this->path;
}
$filename = explode('/', $filename);
$filename = end($filename);
// Set the destination
$destination = $thumbnail['path'] . $thumbnail['prefix'] . $filename;
// Delete old file if necessary
$this->_delete_old_file($thumbnail['prefix'] . $model->original($field), $thumbnail['path']);
// Set thumb
$source = realpath(ltrim($this->_filename, '/'));
$thumb = Image::factory($source, $this->driver);
// Process thumbnail transformations
$thumb = $this->_transform($thumb, $thumbnail['transformations']);
// Save the thumbnail
$thumb->save($destination, $thumbnail['quality']);
}
}
if (count($this->transformations) > 0 && !empty($source)) {
$source = realpath(ltrim($this->_filename, '/'));
// Set image
$image = Image::factory($source, $this->driver);
// Process image transformations
$image = $this->_transform($image, $this->transformations);
// Save the image
$image->save($source, $this->quality);
}
return TRUE;
}
