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<?php |
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namespace Sunnysideup\PerfectCmsImages\Forms; |
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use SilverStripe\AssetAdmin\Forms\UploadField; |
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use SilverStripe\Assets\Folder; |
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use SilverStripe\Control\HTTPRequest; |
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use SilverStripe\Control\HTTPResponse; |
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use SilverStripe\ORM\FieldType\DBField; |
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use SilverStripe\ORM\SS_List; |
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use Sunnysideup\PerfectCmsImages\Api\PerfectCMSImages; |
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use Sunnysideup\PerfectCmsImages\Filesystem\PerfectCmsImageValidator; |
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/** |
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* image-friendly upload field. |
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* |
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* Usage: |
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* $field = PerfectCmsImagesUploadFielde::create( |
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* "ImageField", |
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* "Add Image", |
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* ); |
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*/ |
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class PerfectCmsImagesUploadField extends UploadField |
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{ |
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private static $max_size_in_kilobytes = 2048; |
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private static $folder_prefix = ''; |
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/** |
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* @config |
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* @var array |
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*/ |
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private static $allowed_actions = [ |
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'upload', |
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]; |
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private $afterUpload = null; |
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/** |
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* @param string $name The internal field name, passed to forms. |
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* @param string $title The field label. |
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* @param SS_List|null $items If no items are defined, the field will try to auto-detect an existing relation |
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* @param string|null $alternativeName |
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*/ |
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public function __construct( |
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$name, |
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$title = null, |
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SS_List $items = null, |
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$alternativeName = null |
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) { |
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parent::__construct( |
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$name, |
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$title, |
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$items |
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); |
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$perfectCMSImageValidator = new PerfectCMSImageValidator(); |
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$this->setValidator($perfectCMSImageValidator); |
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if ($alternativeName === null) { |
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$alternativeName = $name; |
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} |
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$this->selectFormattingStandard($alternativeName); |
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return $this; |
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} |
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public function setDescription($string) |
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{ |
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parent::setDescription( |
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DBField::create_field('HTMLText', $string . '<br />' . $this->RightTitle()) |
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); |
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//important! |
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return $this; |
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} |
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/** |
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* @param string $name Formatting Standard |
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* @return $this |
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*/ |
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public function selectFormattingStandard(string $name) |
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{ |
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$this->setPerfectFolderName($name); |
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$this->setDescription(PerfectCMSImages::get_description_for_cms($name)); |
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$this->setAllowedFileCategories('image'); |
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$alreadyAllowed = $this->getAllowedExtensions(); |
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$this->setAllowedExtensions($alreadyAllowed + ['svg']); |
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//keep the size reasonable |
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$maxSizeInKilobytes = PerfectCMSImages::max_size_in_kilobytes($name); |
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$this->getValidator()->setAllowedMaxFileSize(1 * 1024 * $maxSizeInKilobytes); |
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$this->getValidator()->setFieldName($name); |
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return $this; |
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} |
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/** |
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* Creates a single file based on a form-urlencoded upload. |
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* Allows for hooking AfterUpload |
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* |
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* @param HTTPRequest $request |
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* @return HTTPResponse |
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*/ |
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public function upload(HTTPRequest $request) |
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{ |
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$response = parent::upload($request); |
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// If afterUpload is a function .. |
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return is_callable($this->afterUpload) ? |
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// .. then return the results from that .. |
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($this->afterUpload)($response) : |
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// .. else return the original $response |
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$response; |
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} |
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/** |
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* Add an anonymous functions to run after upload completes |
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* |
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* @param callable $func |
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* @return self |
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*/ |
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public function setAfterUpload($func): self |
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{ |
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$this->afterUpload = $func; |
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return $this; |
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} |
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protected function setPerfectFolderName(string $name) |
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{ |
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$folderPrefix = $this->Config()->get('folder_prefix'); |
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$folderName = $this->folderName; |
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if (! $folderName) { |
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//folder related stuff ... |
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$folderName = PerfectCMSImages::get_folder($name); |
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if (! $folderName) { |
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$folderName = 'other-images'; |
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} |
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$folderName = implode( |
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'/', |
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array_filter([$folderPrefix, $folderName]) |
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); |
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} |
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//create folder |
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Folder::find_or_make($folderName); |
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//set folder |
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$this->setFolderName($folderName); |
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} |
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} |
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sunnysideup /
silverstripe-perfect_cms_images
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