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<?php |
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/** |
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* Field for uploading files into a DMSDocument. Replacing the existing file. |
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* Not ideally suited for the purpose, as the base implementation |
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* assumes to operate on a {@link File} record. We only use this as |
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* a temporary container, which gets deleted as soon as the actual |
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* {@link DMSDocument} is created. |
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* |
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* <b>NOTE: this Field will call write() on the supplied record</b> |
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* |
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* @author Julian Seidenberg |
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* @package dms |
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*/ |
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class DMSUploadField extends UploadField |
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{ |
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private static $allowed_actions = array( |
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"upload", |
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); |
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/** |
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* The temporary folder name to store files in during upload |
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* @var string |
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*/ |
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protected $folderName = 'DMSTemporaryUploads'; |
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/** |
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* Override the default behaviour of the UploadField and take the uploaded file (uploaded to assets) and |
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* add it into the DMS storage, deleting the old/uploaded file. |
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* @param File |
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*/ |
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protected function attachFile($file) |
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{ |
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$dms = DMS::inst(); |
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$record = $this->getRecord(); |
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if ($record instanceof DMSDocument) { |
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// If the edited record is a document, |
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// assume we're replacing an existing file |
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$doc = $record; |
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$doc->ingestFile($file); |
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} else { |
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// Otherwise create it |
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$doc = $dms->storeDocument($file); |
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$file->delete(); |
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} |
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// Relate to the underlying document set being edited. |
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// Not applicable when editing the document itself and replacing it, or uploading from the ModelAdmin |
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if ($record instanceof DMSDocumentSet) { |
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$record->Documents()->add($doc, array('ManuallyAdded' => 1)); |
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} |
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return $doc; |
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} |
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public function validate($validator) |
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{ |
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return true; |
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} |
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/** |
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* Action to handle upload of a single file |
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* |
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* @param SS_HTTPRequest $request |
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* @return string json |
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*/ |
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public function upload(SS_HTTPRequest $request) |
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{ |
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if ($recordId = $request->postVar('ID')) { |
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$this->setRecord(DMSDocumentSet::get()->byId($recordId)); |
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} |
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if ($this->isDisabled() || $this->isReadonly()) { |
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return $this->httpError(403); |
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} |
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// Protect against CSRF on destructive action |
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$token = $this->getForm()->getSecurityToken(); |
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if (!$token->checkRequest($request)) { |
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return $this->httpError(400); |
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} |
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$name = $this->getName(); |
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$tmpfile = $request->postVar($name); |
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$record = $this->getRecord(); |
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// Check if the file has been uploaded into the temporary storage. |
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if (!$tmpfile) { |
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$return = array('error' => _t('UploadField.FIELDNOTSET', 'File information not found')); |
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} else { |
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$return = array( |
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'name' => $tmpfile['name'], |
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'size' => $tmpfile['size'], |
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'type' => $tmpfile['type'], |
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'error' => $tmpfile['error'] |
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); |
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} |
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// Check for constraints on the record to which the file will be attached. |
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if (!$return['error'] && $this->relationAutoSetting && $record && $record->exists()) { |
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$tooManyFiles = false; |
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// Some relationships allow many files to be attached. |
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if ($this->getConfig('allowedMaxFileNumber') && ($record->hasMany($name) || $record->manyMany($name))) { |
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if (!$record->isInDB()) { |
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$record->write(); |
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} |
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$tooManyFiles = $record->{$name}()->count() >= $this->getConfig('allowedMaxFileNumber'); |
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// has_one only allows one file at any given time. |
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} elseif ($record->hasOne($name)) { |
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$tooManyFiles = $record->{$name}() && $record->{$name}()->exists(); |
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} |
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// Report the constraint violation. |
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if ($tooManyFiles) { |
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if (!$this->getConfig('allowedMaxFileNumber')) { |
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$this->setConfig('allowedMaxFileNumber', 1); |
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} |
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$return['error'] = _t( |
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'UploadField.MAXNUMBEROFFILES', |
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'Max number of {count} file(s) exceeded.', |
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array('count' => $this->getConfig('allowedMaxFileNumber')) |
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); |
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} |
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} |
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// Process the uploaded file |
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if (!$return['error']) { |
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$fileObject = null; |
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if ($this->relationAutoSetting) { |
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// Search for relations that can hold the uploaded files. |
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if ($relationClass = $this->getRelationAutosetClass()) { |
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// Create new object explicitly. Otherwise rely on Upload::load to choose the class. |
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$fileObject = SS_Object::create($relationClass); |
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} |
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} |
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// Get the uploaded file into a new file object. |
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try { |
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$this->upload->loadIntoFile($tmpfile, $fileObject, $this->getFolderName()); |
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} catch (Exception $e) { |
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// we shouldn't get an error here, but just in case |
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$return['error'] = $e->getMessage(); |
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} |
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if (!$return['error']) { |
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if ($this->upload->isError()) { |
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$return['error'] = implode(' ' . PHP_EOL, $this->upload->getErrors()); |
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} else { |
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$file = $this->upload->getFile(); |
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// CUSTOM Attach the file to the related record. |
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$document = $this->attachFile($file); |
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// Collect all output data. |
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$return = array_merge($return, array( |
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'id' => $document->ID, |
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'name' => $document->getTitle(), |
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'thumbnail_url' => $document->Icon($document->getExtension()), |
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'edit_url' => $this->getItemHandler($document->ID)->EditLink(), |
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'size' => $document->getFileSizeFormatted(), |
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'buttons' => (string) $document->renderWith($this->getTemplateFileButtons()), |
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'showeditform' => true |
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)); |
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// CUSTOM END |
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} |
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} |
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} |
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$response = new SS_HTTPResponse(Convert::raw2json(array($return))); |
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$response->addHeader('Content-Type', 'text/plain'); |
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return $response; |
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} |
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/** |
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* Never directly display items uploaded |
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* @return SS_List |
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*/ |
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public function getItems() |
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{ |
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return new ArrayList(); |
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} |
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public function Field($properties = array()) |
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{ |
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$fields = parent::Field($properties); |
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// Replace the download template with a new one only when access the upload field through a GridField. |
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// Needs to be enabled through setConfig('downloadTemplateName', 'ss-dmsuploadfield-downloadtemplate'); |
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Requirements::javascript(DMS_DIR . '/javascript/DMSUploadField_downloadtemplate.js'); |
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// In the add dialog, add the addtemplate into the set of file that load. |
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Requirements::javascript(DMS_DIR . '/javascript/DMSUploadField_addtemplate.js'); |
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return $fields; |
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} |
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/** |
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* @param int $itemID |
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* @return UploadField_ItemHandler |
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*/ |
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public function getItemHandler($itemID) |
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{ |
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return DMSUploadField_ItemHandler::create($this, $itemID); |
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} |
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/** |
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* FieldList $fields for the EditForm |
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* @example 'getCMSFields' |
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* |
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* @param File $file File context to generate fields for |
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* @return FieldList List of form fields |
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*/ |
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public function getDMSFileEditFields($file) |
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{ |
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// Empty actions, generate default |
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if (empty($this->fileEditFields)) { |
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$fields = $file->getCMSFields(); |
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// Only display main tab, to avoid overly complex interface |
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if ($fields->hasTabSet() && ($mainTab = $fields->findOrMakeTab('Root.Main'))) { |
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$fields = $mainTab->Fields(); |
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} |
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return $fields; |
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} |
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// Fields instance |
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if ($this->fileEditFields instanceof FieldList) { |
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return $this->fileEditFields; |
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} |
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// Method to call on the given file |
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if ($file->hasMethod($this->fileEditFields)) { |
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return $file->{$this->fileEditFields}(); |
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} |
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user_error("Invalid value for UploadField::fileEditFields", E_USER_ERROR); |
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} |
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/** |
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* FieldList $actions or string $name (of a method on File to provide a actions) for the EditForm |
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* @example 'getCMSActions' |
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* |
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* @param File $file File context to generate form actions for |
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* @return FieldList Field list containing FormAction |
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*/ |
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public function getDMSFileEditActions($file) |
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{ |
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// Empty actions, generate default |
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if (empty($this->fileEditActions)) { |
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$actions = new FieldList($saveAction = new FormAction('doEdit', _t('UploadField.DOEDIT', 'Save'))); |
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$saveAction->addExtraClass('ss-ui-action-constructive icon-accept'); |
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return $actions; |
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} |
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// Actions instance |
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if ($this->fileEditActions instanceof FieldList) { |
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return $this->fileEditActions; |
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} |
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// Method to call on the given file |
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if ($file->hasMethod($this->fileEditActions)) { |
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return $file->{$this->fileEditActions}(); |
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} |
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user_error("Invalid value for UploadField::fileEditActions", E_USER_ERROR); |
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} |
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/** |
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* Determines the validator to use for the edit form |
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* @example 'getCMSValidator' |
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* |
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* @param File $file File context to generate validator from |
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* @return Validator Validator object |
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*/ |
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public function getDMSFileEditValidator($file) |
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{ |
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// Empty validator |
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if (empty($this->fileEditValidator)) { |
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return null; |
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} |
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// Validator instance |
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if ($this->fileEditValidator instanceof Validator) { |
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return $this->fileEditValidator; |
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} |
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// Method to call on the given file |
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if ($file->hasMethod($this->fileEditValidator)) { |
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return $file->{$this->fileEditValidator}(); |
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} |
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user_error("Invalid value for UploadField::fileEditValidator", E_USER_ERROR); |
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} |
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/** |
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* Set the folder name to store DMS files in |
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* |
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* @param string $folderName |
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* @return $this |
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*/ |
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public function setFolderName($folderName) |
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{ |
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$this->folderName = (string) $folderName; |
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return $this; |
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} |
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/** |
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* Get the folder name for storing the document |
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* |
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* @return string |
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*/ |
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public function getFolderName() |
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{ |
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return $this->folderName; |
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} |
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} |
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