mirror of
https://github.com/silverstripe/silverstripe-framework
synced 2024-08-26 12:36:07 +02:00
276 lines
7.3 KiB
PHP
276 lines
7.3 KiB
PHP
<?php
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/**
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* A field that allows you to attach a file to a DataObject without submitting the form it is part of, through the use
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* of an iframe.
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*
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* If all you need is a simple file upload, it is reccomended you use {@link FileField}
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*
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* @deprecated 3.0 Use UploadField
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*
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* @package forms
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* @subpackage fields-files
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*/
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class FileIFrameField extends FileField {
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protected $template = 'FileIFrameField';
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public static $allowed_actions = array (
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'iframe',
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'EditFileForm',
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'DeleteFileForm'
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);
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/**
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* Flag that controls whether or not new files
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* can be uploaded by the user from their local computer.
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*
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* @var boolean
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*/
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protected $canUploadNewFile = true;
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/**
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* Sets whether or not files can be uploaded into the CMS from the user's local computer
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*
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* @param boolean
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*/
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function setCanUploadNewFile($can) {
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$this->canUploadNewFile = $can;
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}
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/**
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* @return boolean
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*/
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function getCanUploadNewFile() {
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return $this->canUploadNewFile;
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}
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/**
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* The data class that this field is editing.
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* @return string Class name
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*/
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public function dataClass() {
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if($this->form && $this->form->getRecord()) {
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$class = $this->form->getRecord()->has_one($this->getName());
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return ($class) ? $class : 'File';
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} else {
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return 'File';
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}
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}
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/**
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* @return string
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*/
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public function Field() {
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Deprecation::notice('3.0', 'Use UploadField');
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Requirements::css(SAPPHIRE_DIR . '/thirdparty/jquery-ui-themes/smoothness/jquery-ui.css');
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Requirements::add_i18n_javascript(SAPPHIRE_DIR . '/javascript/lang');
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Requirements::javascript(SAPPHIRE_DIR . '/thirdparty/jquery/jquery.js');
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Requirements::javascript(SAPPHIRE_DIR . '/thirdparty/jquery-ui/jquery-ui.js');
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if($this->form->getRecord() && $this->form->getRecord()->exists()) {
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$record = $this->form->getRecord();
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if(class_exists('Translatable') && Object::has_extension('SiteTree', 'Translatable') && $record->Locale){
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$iframe = "iframe?locale=".$record->Locale;
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}else{
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$iframe = "iframe";
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}
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return $this->createTag (
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'iframe',
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array (
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'name' => $this->getName() . '_iframe',
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'src' => Controller::join_links($this->Link(), $iframe),
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'style' => 'height: 152px; width: 100%; border: none;'
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)
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) . $this->createTag (
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'input',
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array (
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'type' => 'hidden',
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'id' => $this->ID(),
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'name' => $this->getName() . 'ID',
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'value' => $this->attrValue()
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)
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);
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} else {
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return sprintf(_t (
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'FileIFrameField.ATTACHONCESAVED', '%ss can be attached once you have saved the record for the first time.'
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), $this->FileTypeName());
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}
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}
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/**
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* Attempt to retreive a File object that has already been attached to this forms data record
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*
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* @return File|null
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*/
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public function AttachedFile() {
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return $this->form->getRecord() ? $this->form->getRecord()->{$this->getName()}() : null;
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}
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/**
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* @return string
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*/
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public function iframe() {
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// clear the requirements added by any parent controllers
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Requirements::clear();
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Requirements::add_i18n_javascript('sapphire/javascript/lang');
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Requirements::javascript(SAPPHIRE_DIR . '/thirdparty/jquery/jquery.js');
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Requirements::javascript('sapphire/javascript/FileIFrameField.js');
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Requirements::css('sapphire/css/FileIFrameField.css');
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return $this->renderWith('FileIframeField_iframe');
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}
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/**
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* @return Form
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*/
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public function EditFileForm() {
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$uploadFile = _t('FileIFrameField.FROMCOMPUTER', 'From your Computer');
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$selectFile = _t('FileIFrameField.FROMFILESTORE', 'From the File Store');
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if($this->AttachedFile() && $this->AttachedFile()->ID) {
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$title = sprintf(_t('FileIFrameField.REPLACE', 'Replace %s'), $this->FileTypeName());
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} else {
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$title = sprintf(_t('FileIFrameField.ATTACH', 'Attach %s'), $this->FileTypeName());
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}
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$fileSources = array();
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if(singleton($this->dataClass())->canCreate()) {
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if($this->canUploadNewFile) {
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$fileSources["new//$uploadFile"] = new FileField('Upload', '');
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}
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}
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$fileSources["existing//$selectFile"] = new TreeDropdownField('ExistingFile', '', 'File');
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$fields = new FieldList (
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new HeaderField('EditFileHeader', $title),
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new SelectionGroup('FileSource', $fileSources)
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);
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// locale needs to be passed through from the iframe source
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if(isset($_GET['locale'])) {
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$fields->push(new HiddenField('locale', '', $_GET['locale']));
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}
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return new Form (
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$this,
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'EditFileForm',
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$fields,
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new FieldList(
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new FormAction('save', $title)
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)
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);
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}
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public function save($data, $form) {
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// check the user has entered all the required information
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if (
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!isset($data['FileSource'])
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|| ($data['FileSource'] == 'new' && (!isset($_FILES['Upload']) || !$_FILES['Upload']))
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|| ($data['FileSource'] == 'existing' && (!isset($data['ExistingFile']) || !$data['ExistingFile']))
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) {
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$form->sessionMessage(_t('FileIFrameField.NOSOURCE', 'Please select a source file to attach'), 'required');
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Director::redirectBack();
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return;
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}
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$desiredClass = $this->dataClass();
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// upload a new file
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if($data['FileSource'] == 'new') {
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$fileObject = Object::create($desiredClass);
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try {
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$this->upload->loadIntoFile($_FILES['Upload'], $fileObject, $this->folderName);
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} catch (Exception $e){
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$form->sessionMessage(_t('FileIFrameField.DISALLOWEDFILETYPE', 'This filetype is not allowed to be uploaded'), 'bad');
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Director::redirectBack();
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return;
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}
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if($this->upload->isError()) {
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Director::redirectBack();
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return;
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}
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$this->form->getRecord()->{$this->getName() . 'ID'} = $fileObject->ID;
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$fileObject->write();
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}
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// attach an existing file from the assets store
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if($data['FileSource'] == 'existing') {
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$fileObject = DataObject::get_by_id('File', $data['ExistingFile']);
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// dont allow the user to attach a folder by default
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if(!$fileObject || ($fileObject instanceof Folder && $desiredClass != 'Folder')) {
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Director::redirectBack();
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return;
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}
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$this->form->getRecord()->{$this->getName() . 'ID'} = $fileObject->ID;
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if(!$fileObject instanceof $desiredClass) {
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$fileObject->ClassName = $desiredClass;
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$fileObject->write();
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}
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}
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$this->form->getRecord()->write();
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Director::redirectBack();
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}
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/**
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* @return Form
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*/
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public function DeleteFileForm() {
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$form = new Form (
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$this,
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'DeleteFileForm',
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new FieldList (
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new HiddenField('DeleteFile', null, false)
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),
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new FieldList (
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$deleteButton = new FormAction (
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'delete', sprintf(_t('FileIFrameField.DELETE', 'Delete %s'), $this->FileTypeName())
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)
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)
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);
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$deleteButton->addExtraClass('delete');
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return $form;
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}
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public function delete($data, $form) {
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// delete the actual file, or just un-attach it?
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if(isset($data['DeleteFile']) && $data['DeleteFile']) {
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$file = DataObject::get_by_id('File', $this->form->getRecord()->{$this->getName() . 'ID'});
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if($file) {
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$file->delete();
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}
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}
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// then un-attach file from this record
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$this->form->getRecord()->{$this->getName() . 'ID'} = 0;
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$this->form->getRecord()->write();
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Director::redirectBack();
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}
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/**
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* Get the type of file this field is used to attach (e.g. File, Image)
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*
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* @return string
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*/
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public function FileTypeName() {
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return _t('FileIFrameField.FILE', 'File');
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}
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}
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