PHP FieldList::create方法代码示例

 public function getCMSFields()
 {
     $datetimeField = DatetimeField::create("Date")->setTitle($this->fieldLabel("Date"));
     $datetimeField->getDateField()->setConfig("dmyfields", true);
     // Check if NewsImage should be saved in a seperate folder
     if (self::config()->save_image_in_seperate_folder == false) {
         $UploadField = UploadField::create("NewsImage")->setTitle($this->fieldLabel("NewsImage"))->setFolderName("news");
     } else {
         if ($this->ID == "0") {
             $UploadField = FieldGroup::create(LiteralField::create("Save", $this->fieldLabel("SaveHelp")))->setTitle($this->fieldLabel("NewsImage"));
         } else {
             $UploadField = UploadField::create("NewsImage")->setTitle($this->fieldLabel("NewsImage"))->setFolderName("news/" . $this->URLSegment);
         }
     }
     // Create direct link to NewsArticle
     if ($this->ID == "0") {
         // Little hack to hide $urlsegment when article isn't saved yet.
         $urlsegment = LiteralField::create("NoURLSegmentYet", "");
     } else {
         if ($NewsHolder = $this->NewsHolder()) {
             $baseLink = Controller::join_links(Director::absoluteBaseURL(), $NewsHolder->Link(), $this->URLSegment);
         }
         $urlsegment = Fieldgroup::create(LiteralField::create("URLSegment", "URLSegment")->setContent('<a href="' . $baseLink . '" target="_blank">' . $baseLink . '</a>'))->setTitle("URLSegment");
     }
     $fields = FieldList::create(new TabSet("Root", new Tab("Main", $urlsegment, TextField::create("Title")->setTitle($this->fieldLabel("Title")), $datetimeField, HTMLEditorField::create("Content")->setTitle($this->fieldLabel("Content")), $UploadField)));
     $this->extend("updateCMSFields", $fields);
     return $fields;
 }

 /**
  * getCMSFields
  * Construct the FieldList used in the CMS. To provide a
  * smarter UI we don't use the scaffolding provided by
  * parent::getCMSFields.
  * 
  * @return FieldList
  */
 public function getCMSFields()
 {
     Requirements::css('torindul-silverstripe-shop/css/LeftAndMain.css');
     //Create the FieldList and push the Root TabSet on to it.
     $fields = FieldList::create($root = TabSet::create('Root', Tab::create("Main", HeaderField::create("Add/Edit Currency"), CompositeField::create(DropdownField::create("Enabled", "Enable Currency?", array("1" => "Yes", "2" => "No"))->setRightTitle($this->SystemCreated == 1 ? "DISABLED: You can not disable the default currency." : "Select the country this zone applies to.")->setDisabled($this->SystemCreated == 1 ? true : false), TextField::create("Title", "Currency Name")->setRightTitle("i.e. Great British Pound."), TextField::create("Code", "Currency Code")->setRightTitle("i.e. GBP, USD, EUR."), TextField::create("ExchangeRate", "Exchange Rate")->setRightTitle("i.e. Your new currency is USD, a conversion rate of 1.53 may apply against the local currency."), TextField::create("Symbol", "Currency Symbol")->setRightTitle("i.e. £, \$, €."), DropdownField::create("SymbolLocation", "Symbol Location", array("1" => "On the left, i.e. \$1.00", "2" => "On the right, i.e. 1.00\$", "3" => "Display the currency code instead, i.e. 1 USD."))->setRightTitle("Where should the currency symbol be placed?"), TextField::create("DecimalSeperator", "Decimal Separator")->setRightTitle("What decimal separator does this currency use?"), TextField::create("ThousandsSeparator", "Thousands Separator")->setRightTitle("What thousands separator does this currency use?"), NumericField::create("DecimalPlaces", "Decimal Places")->setRightTitle("How many decimal places does this currency use?")))));
     return $fields;
 }

 public function getFormFields(Order $order)
 {
     $member = Member::currentUser() ?: $order->Member();
     if (!$member || !$member->exists() || !$member->AddressBook()->exists()) {
         return parent::getFormFields($order);
     }
     $options = [];
     $default = $this->getDefaultAddress($member);
     $params = ['addfielddescriptions' => $this->formfielddescriptions];
     $addressFields = $default->getFrontEndFields($params);
     if ($this->allowSaveAsNew) {
         $addressFields->push(CheckboxField::create('saveAsNew', _t('AlternateAddressBookCheckoutComponent.SAVE_AS_NEW', 'Save as new address')));
     }
     $options[] = SelectionGroup_Item::create('address-' . $default->ID, HasOneCompositeField::create('address-' . $default->ID, $default, $addressFields), _t('AlternateAddressBookCheckoutComponent.USE_DEFAULT', '{address}', ['address' => $default->Title]));
     if ($member->AddressBook()->exclude('ID', $default->ID)->exists()) {
         foreach ($member->AddressBook()->exclude('ID', $default->ID) as $address) {
             $addressFields = $address->getFrontEndFields($params);
             $addressFields->push(CheckboxField::create('saveAsNew', _t('AlternateAddressBookCheckoutComponent.SAVE_AS_NEW', 'Save as new address')));
             if ($member->DefaultShippingAddressID != $address->ID) {
                 $addressFields->push(CheckboxField::create('useAsDefaultShipping', _t('AlternateAddressBookCheckoutComponent.USE_AS_DEFAULT_SHIPPING', 'Use as default shipping address')));
             }
             if ($member->DefaultBillingAddressID != $address->ID) {
                 $addressFields->push(CheckboxField::create('useAsDefaultBilling', _t('AlternateAddressBookCheckoutComponent.USE_AS_DEFAULT_BILLING', 'Use as default billing address')));
             }
             $options[] = SelectionGroup_Item::create('address-' . $address->ID, HasOneCompositeField::create('address-' . $address->ID, $address, $addressFields), _t('AlternateAddressBookCheckoutComponent.SHIP_TO_SELECTED_ADDRESS', '{address}', ['address' => $address->Title]));
         }
     }
     if ($this->allowNew) {
         $addressFields = parent::getFormFields($order);
         $addressFields->push(CheckboxField::create('useAsDefaultShipping', _t('AlternateAddressBookCheckoutComponent.USE_AS_DEFAULT_SHIPPING', 'Use as default shipping address')));
         $addressFields->push(CheckboxField::create('useAsDefaultBilling', _t('AlternateAddressBookCheckoutComponent.USE_AS_DEFAULT_BILLING', 'Use as default billing address')));
         $options[] = SelectionGroup_Item::create('new', HasOneCompositeField::create('new', Address::create(), $addressFields), _t('AlternateAddressBookCheckoutComponent.' . $this->addresstype . '_TO_NEW_ADDRESS', 'New ' . ucfirst($this->addresstype) . ' Address'));
     }
     return FieldList::create(TabbedSelectionGroup::create('Use', $options)->setTitle(_t('ShippingDetails.' . $this->addresstype . '_ADDRESS', ucfirst($this->addresstype) . ' Address'))->setLabelTab(true)->showAsDropdown(true));
 }

 public function AddNewListboxForm()
 {
     $action = FormAction::create('doSave', 'Save')->setUseButtonTag('true');
     if (!$this->isFrontend) {
         $action->addExtraClass('ss-ui-action-constructive')->setAttribute('data-icon', 'accept');
     }
     $model = $this->getModel();
     $link = singleton($model);
     $fields = $link->getCMSFields();
     $title = $this->getDialogTitle() ? $this->getDialogTitle() : 'New Item';
     $fields->insertBefore(HeaderField::create('AddNewHeader', $title), $fields->first()->getName());
     $actions = FieldList::create($action);
     $form = Form::create($this, 'AddNewListboxForm', $fields, $actions);
     $fields->push(HiddenField::create('model', 'model', $model));
     /*
     if($link){
     	$form->loadDataFrom($link);
     	$fields->push(HiddenField::create('LinkID', 'LinkID', $link->ID));
     }
     
     // Chris Bolt, fixed this
     //$this->owner->extend('updateLinkForm', $form);
     $this->extend('updateLinkForm', $form);
     // End Chris Bolt
     */
     return $form;
 }

 private function Form()
 {
     $fields = FieldList::create(TextField::create('Title'), TextField::create('Subtitle'));
     $actions = FieldList::create(FormAction::create('submit', 'submit'));
     $validator = ZenValidator::create();
     return Form::create(Controller::curr(), 'Form', $fields, $actions, $validator);
 }

 public function getCMSFields()
 {
     $fields = FieldList::create(TextField::create('Title'), HtmlEditorField::create('Description'), $uploader = UploadField::create('Photo'));
     $uploader->setFolderName('region-photos');
     $uploader->getValidator()->setAllowedExtensions(array('png', 'gif', 'jpeg', 'jpg'));
     return $fields;
 }

 /**
  * @return FieldList
  */
 public function getCMSFields()
 {
     Requirements::javascript(USERFORMS_DIR . '/javascript/Recipient.js');
     // Determine optional field values
     $form = $this->getFormParent();
     // predefined choices are also candidates
     $multiOptionFields = EditableMultipleOptionField::get()->filter('ParentID', $form->ID);
     // if they have email fields then we could send from it
     $validEmailFromFields = EditableEmailField::get()->filter('ParentID', $form->ID);
     // For the subject, only one-line entry boxes make sense
     $validSubjectFields = ArrayList::create(EditableTextField::get()->filter('ParentID', $form->ID)->exclude('Rows:GreaterThan', 1)->toArray());
     $validSubjectFields->merge($multiOptionFields);
     // To address cannot be unbound, so restrict to pre-defined lists
     $validEmailToFields = $multiOptionFields;
     // Build fieldlist
     $fields = FieldList::create(Tabset::create('Root')->addExtraClass('EmailRecipientForm'));
     // Configuration fields
     $fields->addFieldsToTab('Root.EmailDetails', array(FieldGroup::create(TextField::create('EmailSubject', _t('UserDefinedForm.TYPESUBJECT', 'Type subject'))->setAttribute('style', 'min-width: 400px;'), DropdownField::create('SendEmailSubjectFieldID', _t('UserDefinedForm.SELECTAFIELDTOSETSUBJECT', '.. or select a field to use as the subject'), $validSubjectFields->map('ID', 'Title'))->setEmptyString(''))->setTitle(_t('UserDefinedForm.EMAILSUBJECT', 'Email subject')), FieldGroup::create(TextField::create('EmailAddress', _t('UserDefinedForm.TYPETO', 'Type to address'))->setAttribute('style', 'min-width: 400px;'), DropdownField::create('SendEmailToFieldID', _t('UserDefinedForm.ORSELECTAFIELDTOUSEASTO', '.. or select a field to use as the to address'), $validEmailToFields->map('ID', 'Title'))->setEmptyString(' '))->setTitle(_t('UserDefinedForm.SENDEMAILTO', 'Send email to'))->setDescription(_t('UserDefinedForm.SENDEMAILTO_DESCRIPTION', 'You may enter multiple email addresses as a comma separated list.')), TextField::create('EmailFrom', _t('UserDefinedForm.FROMADDRESS', 'Send email from'))->setDescription(_t('UserDefinedForm.EmailFromContent', "The from address allows you to set who the email comes from. On most servers this " . "will need to be set to an email address on the same domain name as your site. " . "For example on yoursite.com the from address may need to be something@yoursite.com. " . "You can however, set any email address you wish as the reply to address.")), FieldGroup::create(TextField::create('EmailReplyTo', _t('UserDefinedForm.TYPEREPLY', 'Type reply address'))->setAttribute('style', 'min-width: 400px;'), DropdownField::create('SendEmailFromFieldID', _t('UserDefinedForm.ORSELECTAFIELDTOUSEASFROM', '.. or select a field to use as reply to address'), $validEmailFromFields->map('ID', 'Title'))->setEmptyString(' '))->setTitle(_t('UserDefinedForm.REPLYADDRESS', 'Email for reply to'))->setDescription(_t('UserDefinedForm.REPLYADDRESS_DESCRIPTION', 'The email address which the recipient is able to \'reply\' to.'))));
     // Only show the preview link if the recipient has been saved.
     if (!empty($this->EmailTemplate)) {
         $preview = sprintf('<p><a href="%s" target="_blank" class="ss-ui-button">%s</a></p><em>%s</em>', "admin/pages/edit/EditForm/field/EmailRecipients/item/{$this->ID}/preview", _t('UserDefinedForm.PREVIEW_EMAIL', 'Preview email'), _t('UserDefinedForm.PREVIEW_EMAIL_DESCRIPTION', 'Note: Unsaved changes will not appear in the preview.'));
     } else {
         $preview = sprintf('<em>%s</em>', _t('UserDefinedForm.PREVIEW_EMAIL_UNAVAILABLE', 'You can preview this email once you have saved the Recipient.'));
     }
     // Email templates
     $fields->addFieldsToTab('Root.EmailContent', array(CheckboxField::create('HideFormData', _t('UserDefinedForm.HIDEFORMDATA', 'Hide form data from email?')), CheckboxField::create('SendPlain', _t('UserDefinedForm.SENDPLAIN', 'Send email as plain text? (HTML will be stripped)')), DropdownField::create('EmailTemplate', _t('UserDefinedForm.EMAILTEMPLATE', 'Email template'), $this->getEmailTemplateDropdownValues())->addExtraClass('toggle-html-only'), HTMLEditorField::create('EmailBodyHtml', _t('UserDefinedForm.EMAILBODYHTML', 'Body'))->addExtraClass('toggle-html-only'), TextareaField::create('EmailBody', _t('UserDefinedForm.EMAILBODY', 'Body'))->addExtraClass('toggle-plain-only'), LiteralField::create('EmailPreview', '<div id="EmailPreview" class="field toggle-html-only">' . $preview . '</div>')));
     // Custom rules for sending this field
     $grid = new GridField("CustomRules", _t('EditableFormField.CUSTOMRULES', 'Custom Rules'), $this->CustomRules(), $this->getRulesConfig());
     $grid->setDescription(_t('UserDefinedForm.RulesDescription', 'Emails will only be sent to the recipient if the custom rules are met. If no rules are defined, this receipient will receive notifications for every submission.'));
     $fields->addFieldsToTab('Root.CustomRules', array(new DropdownField('CustomRulesCondition', _t('UserDefinedForm.SENDIF', 'Send condition'), array('Or' => 'Any conditions are true', 'And' => 'All conditions are true')), $grid));
     $this->extend('updateCMSFields', $fields);
     return $fields;
 }

 public function UpdateForm()
 {
     $member = singleton('SecurityContext')->getMember();
     if (!$member) {
         return '';
     }
     // if there's a member profile page availble, use it
     $filter = array();
     if (class_exists('Multisites')) {
         $filter = array('SiteID' => Multisites::inst()->getCurrentSiteId());
     }
     // use member profile page if possible
     if (class_exists('MemberProfilePage') && ($profilePage = MemberProfilePage::get()->filter($filter)->first())) {
         $controller = MemberProfilePage_Controller::create($profilePage);
         $form = $controller->ProfileForm();
         $form->addExtraClass('ajax-form');
         $form->loadDataFrom($member);
         return $form;
     } else {
         $password = new ConfirmedPasswordField('Password', $member->fieldLabel('Password'), null, null, (bool) $this->ID);
         $password->setCanBeEmpty(true);
         $fields = FieldList::create(TextField::create('FirstName', $member->fieldLabel('FirstName')), TextField::create('Surname', $member->fieldLabel('Surname')), EmailField::create('Email', $member->fieldLabel('Email')), $password);
         $actions = FieldList::create($update = FormAction::create('updateprofile', 'Update'));
         $form = Form::create($this, 'UpdateForm', $fields, $actions);
         $form->loadDataFrom($member);
         $this->extend('updateProfileDashletForm', $form);
         return $form;
     }
     return;
 }

 function getCMSFields()
 {
     $fields = FieldList::create(TabSet::create('Root'));
     $fields->addFieldToTab('Root.Main', new TextField('Title'));
     $fields->addFieldToTab('Root.Main', new CurrencyField('Price'));
     return $fields;
 }

 public function getCMSFields()
 {
     $fields = FieldList::create(TabSet::create('Root'))->text('Title')->text('Code', 'Code', '', 5)->textarea('Description')->numeric('SessionCount', 'Number of sessions')->numeric('AlternateCount', 'Number of alternates')->checkbox('VotingVisible', "This category is visible to voters")->checkbox('ChairVisible', "This category is visible to track chairs")->hidden('SummitID', 'SummitID');
     if ($this->ID > 0) {
         //tags
         $config = new GridFieldConfig_RelationEditor(100);
         $config->removeComponentsByType(new GridFieldDataColumns());
         $config->removeComponentsByType(new GridFieldDetailForm());
         $completer = $config->getComponentByType('GridFieldAddExistingAutocompleter');
         $completer->setResultsFormat('$Tag');
         $completer->setSearchFields(array('Tag'));
         $completer->setSearchList(Tag::get());
         $editconf = new GridFieldDetailForm();
         $editconf->setFields(FieldList::create(TextField::create('Tag', 'Tag'), DropdownField::create('ManyMany[Group]', 'Group', array('topics' => 'Topics', 'speaker' => 'Speaker', 'openstack projects mentioned' => 'OpenStack Projects Mentioned'))));
         $summaryfieldsconf = new GridFieldDataColumns();
         $summaryfieldsconf->setDisplayFields(array('Tag' => 'Tag', 'Group' => 'Group'));
         $config->addComponent($editconf);
         $config->addComponent($summaryfieldsconf, new GridFieldFilterHeader());
         $tags = new GridField('AllowedTags', 'Tags', $this->AllowedTags(), $config);
         $fields->addFieldToTab('Root.Main', $tags);
         // extra questions for call-for-presentations
         $config = new GridFieldConfig_RelationEditor();
         $config->removeComponentsByType('GridFieldAddNewButton');
         $multi_class_selector = new GridFieldAddNewMultiClass();
         $multi_class_selector->setClasses(array('TrackTextBoxQuestionTemplate' => 'TextBox', 'TrackCheckBoxQuestionTemplate' => 'CheckBox', 'TrackCheckBoxListQuestionTemplate' => 'CheckBoxList', 'TrackRadioButtonListQuestionTemplate' => 'RadioButtonList', 'TrackDropDownQuestionTemplate' => 'ComboBox', 'TrackLiteralContentQuestionTemplate' => 'Literal'));
         $config->addComponent($multi_class_selector);
         $questions = new GridField('ExtraQuestions', 'Track Specific Questions', $this->ExtraQuestions(), $config);
         $fields->addFieldToTab('Root.Main', $questions);
     }
     return $fields;
 }

 public function __construct($controller, $name)
 {
     $member = Member::currentUser();
     $requiredFields = null;
     if ($member && $member->exists()) {
         $fields = $member->getMemberFormFields();
         $fields->removeByName('Password');
         $requiredFields = $member->getValidator();
         $requiredFields->addRequiredField('Surname');
     } else {
         $fields = FieldList::create();
     }
     if (get_class($controller) == 'AccountPage_Controller') {
         $actions = FieldList::create(FormAction::create('submit', _t('MemberForm.SAVE', 'Save Changes')));
     } else {
         $actions = FieldList::create(FormAction::create('submit', _t('MemberForm.SAVE', 'Save Changes')), FormAction::create('proceed', _t('MemberForm.SAVEANDPROCEED', 'Save and proceed to checkout')));
     }
     parent::__construct($controller, $name, $fields, $actions, $requiredFields);
     $this->extend('updateShopAccountForm');
     if ($record = $controller->data()) {
         $record->extend('updateShopAccountForm', $fields, $actions, $requiredFields);
     }
     if ($controller->data() && $controller->data()->hasMethod('updateShopAccountForm')) {
         // if accessing through the model
         Deprecation::notice('2.0', 'Please access updateShopAccountForm through ShopAccountForm instead of AccountPage (this extension point is due to be removed)');
     }
     if ($member) {
         $member->Password = "";
         //prevents password field from being populated with encrypted password data
         $this->loadDataFrom($member);
     }
 }

 public function createActions()
 {
     $actions = FieldList::create(new FormAction('process', _t('CheckoutPage.PROCEED_TO_PAY', "Proceed to pay")));
     $this->extend('updateActions', $actions);
     $actions->setForm($this);
     return $actions;
 }

 /**
  * EmailVerificationLoginForm is the same as MemberLoginForm with the following changes:
  *  - The code has been cleaned up.
  *  - A form action for users who have lost their verification email has been added.
  *
  * We add fields in the constructor so the form is generated when instantiated.
  *
  * @param Controller $controller The parent controller, necessary to create the appropriate form action tag.
  * @param string $name The method on the controller that will return this form object.
  * @param FieldList|FormField $fields All of the fields in the form - a {@link FieldList} of {@link FormField} objects.
  * @param FieldList|FormAction $actions All of the action buttons in the form - a {@link FieldList} of {@link FormAction} objects
  * @param bool $checkCurrentUser If set to TRUE, it will be checked if a the user is currently logged in, and if so, only a logout button will be rendered
  */
 function __construct($controller, $name, $fields = null, $actions = null, $checkCurrentUser = true)
 {
     $email_field_label = singleton('Member')->fieldLabel(Member::config()->unique_identifier_field);
     $email_field = TextField::create('Email', $email_field_label, null, null, $this)->setAttribute('autofocus', 'autofocus');
     $password_field = PasswordField::create('Password', _t('Member.PASSWORD', 'Password'));
     $authentication_method_field = HiddenField::create('AuthenticationMethod', null, $this->authenticator_class, $this);
     $remember_me_field = CheckboxField::create('Remember', 'Remember me next time?', true);
     if ($checkCurrentUser && Member::currentUser() && Member::logged_in_session_exists()) {
         $fields = FieldList::create($authentication_method_field);
         $actions = FieldList::create(FormAction::create('logout', _t('Member.BUTTONLOGINOTHER', "Log in as someone else")));
     } else {
         if (!$fields) {
             $fields = FieldList::create($authentication_method_field, $email_field, $password_field);
             if (Security::config()->remember_username) {
                 $email_field->setValue(Session::get('SessionForms.MemberLoginForm.Email'));
             } else {
                 // Some browsers won't respect this attribute unless it's added to the form
                 $this->setAttribute('autocomplete', 'off');
                 $email_field->setAttribute('autocomplete', 'off');
             }
         }
         if (!$actions) {
             $actions = FieldList::create(FormAction::create('doLogin', _t('Member.BUTTONLOGIN', "Log in")), new LiteralField('forgotPassword', '<p id="ForgotPassword"><a href="Security/lostpassword">' . _t('Member.BUTTONLOSTPASSWORD', "I've lost my password") . '</a></p>'), new LiteralField('resendEmail', '<p id="ResendEmail"><a href="Security/verify-email">' . _t('MemberEmailVerification.BUTTONLOSTVERIFICATIONEMAIL', "I've lost my verification email") . '</a></p>'));
         }
     }
     if (isset($_REQUEST['BackURL'])) {
         $fields->push(HiddenField::create('BackURL', 'BackURL', $_REQUEST['BackURL']));
     }
     // Reduce attack surface by enforcing POST requests
     $this->setFormMethod('POST', true);
     parent::__construct($controller, $name, $fields, $actions);
     $this->setValidator(RequiredFields::create('Email', 'Password'));
 }

 /**
  * @param Controller $controller
  * @param String $name
  * @param array $arguments
  */
 public function __construct($controller, $name, $arguments = array())
 {
     /** -----------------------------------------
      * Fields
      * ----------------------------------------*/
     /** @var EmailField $email */
     $email = EmailField::create('Email', 'Email Address');
     $email->addExtraClass('form-control')->setAttribute('data-parsley-required-message', 'Please enter your <strong>Email</strong>')->setCustomValidationMessage('Please enter your <strong>Email</strong>');
     $fields = FieldList::create($email);
     /** -----------------------------------------
      * Actions
      * ----------------------------------------*/
     $actions = FieldList::create(FormAction::create('Subscribe')->setTitle('Subscribe')->addExtraClass('btn btn-primary'));
     /** -----------------------------------------
      * Validation
      * ----------------------------------------*/
     $required = RequiredFields::create('Email');
     /** @var Form $form */
     $form = Form::create($this, $name, $fields, $actions, $required);
     if ($formData = Session::get('FormInfo.Form_' . $name . '.data')) {
         $form->loadDataFrom($formData);
     }
     parent::__construct($controller, $name, $fields, $actions, $required);
     $this->setAttribute('data-parsley-validate', true);
     $this->addExtraClass('form');
 }

 /**
  * Get form fields for manipulating the current order,
  * according to the responsibilty of this component.
  *
  * @param Order $order
  * @param Form  $form
  *
  * @return FieldList
  */
 public function getFormFields(Order $order, Form $form = null)
 {
     $gateway = $this->getGateway($order);
     if (!$this->isBraintree) {
         return parent::getFormFields($order);
     }
     // Generate the token for the javascript to use
     $clientToken = $gateway->clientToken()->send()->getToken();
     // Generate the standard set of fields and allow it to be customised
     $fields = FieldList::create([BraintreeHostedField::create('number', _t('BraintreePaymentCheckoutComponent.CardNumber', 'Debit/Credit Card Number')), BraintreeHostedField::create('cvv', _t('BraintreePaymentCheckoutComponent.CVV', 'Security Code')), BraintreeHostedField::create('expirationDate', _t('BraintreePaymentCheckoutComponent.ExpirationDate', 'Expiration Date (MM/YYYY)'))]);
     if ($this->config()->use_placeholders) {
         foreach ($fields as $field) {
             if ($field->Title()) {
                 $field->setAttribute('placeholder', $field->Title())->setTitle(null);
             }
         }
     }
     $this->extend('updateFormFields', $fields);
     // Generate a basic config and allow it to be customised
     $config = ['id' => $form ? $form->getHTMLID() : 'PaymentForm_OrderForm', 'hostedFields' => $this->getFieldConfig($fields)];
     $this->extend('updateBraintreeConfig', $config);
     $rawConfig = json_encode($config);
     $rawConfig = $this->injectCallbacks($rawConfig);
     $this->extend('updateRawBraintreeConfig', $rawConfig);
     // Finally, add the javascript to the page
     Requirements::javascript('https://js.braintreegateway.com/js/braintree-2.20.0.min.js');
     Requirements::customScript("braintree.setup('{$clientToken}', 'custom', {$rawConfig});", 'BrainTreeJS');
     return $fields;
 }