public function __construct(Controller $controller, $name)
 {
     // Set default fields
     $fields = new FieldList(HiddenField::create("AuthenticationMethod", null, $this->authenticator_class, $this), HiddenField::create('tempid', null, $controller->getRequest()->requestVar('tempid')), PasswordField::create("Password", _t('Member.PASSWORD', 'Password')), LiteralField::create('forgotPassword', sprintf('<p id="ForgotPassword"><a href="%s" target="_top">%s</a></p>', $this->getExternalLink('lostpassword'), _t('CMSMemberLoginForm.BUTTONFORGOTPASSWORD', "Forgot password?"))));
     if (Security::config()->autologin_enabled) {
         $fields->push(CheckboxField::create("Remember", _t('Member.REMEMBERME', "Remember me next time?")));
     }
     // Determine returnurl to redirect to parent page
     $logoutLink = $this->getExternalLink('logout');
     if ($returnURL = $controller->getRequest()->requestVar('BackURL')) {
         $logoutLink = Controller::join_links($logoutLink, '?BackURL=' . urlencode($returnURL));
     }
     // Make actions
     $actions = new FieldList(FormAction::create('dologin', _t('CMSMemberLoginForm.BUTTONLOGIN', "Log back in")), LiteralField::create('doLogout', sprintf('<p id="doLogout"><a href="%s" target="_top">%s</a></p>', $logoutLink, _t('CMSMemberLoginForm.BUTTONLOGOUT', "Log out"))));
     parent::__construct($controller, $name, $fields, $actions);
 }
 /**
  * Set if the existing password should be required
  *
  * @param bool $show Flag to show or hide this field
  * @return $this
  */
 public function setRequireExistingPassword($show)
 {
     // Don't modify if already added / removed
     if ((bool) $show === $this->requireExistingPassword) {
         return $this;
     }
     $this->requireExistingPassword = $show;
     $name = $this->getName();
     $currentName = "{$name}[_CurrentPassword]";
     if ($show) {
         $confirmField = PasswordField::create($currentName, _t('Member.CURRENT_PASSWORD', 'Current Password'));
         $this->children->unshift($confirmField);
     } else {
         $this->children->removeByName($currentName, true);
     }
     return $this;
 }
    /**
     * Constructor
     *
     * @skipUpgrade
     * @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 $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 $checkCurrentUser If set to TRUE, it will be checked if a
     *                               the user is currently logged in, and if
     *                               so, only a logout button will be rendered
     */
    public function __construct($controller, $name, $fields = null, $actions = null, $checkCurrentUser = true)
    {
        // This is now set on the class directly to make it easier to create subclasses
        // $this->authenticator_class = $authenticatorClassName;
        $customCSS = project() . '/css/member_login.css';
        if (Director::fileExists($customCSS)) {
            Requirements::css($customCSS);
        }
        if (isset($_REQUEST['BackURL'])) {
            $backURL = $_REQUEST['BackURL'];
        } else {
            $backURL = Session::get('BackURL');
        }
        if ($checkCurrentUser && Member::currentUser() && Member::logged_in_session_exists()) {
            $fields = FieldList::create(HiddenField::create("AuthenticationMethod", null, $this->authenticator_class, $this));
            $actions = FieldList::create(FormAction::create("logout", _t('Member.BUTTONLOGINOTHER', "Log in as someone else")));
        } else {
            if (!$fields) {
                $label = Member::singleton()->fieldLabel(Member::config()->unique_identifier_field);
                $fields = FieldList::create(HiddenField::create("AuthenticationMethod", null, $this->authenticator_class, $this), $emailField = TextField::create("Email", $label, null, null, $this), PasswordField::create("Password", _t('Member.PASSWORD', 'Password')));
                if (Security::config()->remember_username) {
                    $emailField->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');
                    $emailField->setAttribute('autocomplete', 'off');
                }
                if (Security::config()->autologin_enabled) {
                    $fields->push(CheckboxField::create("Remember", _t('Member.KEEPMESIGNEDIN', "Keep me signed in"))->setAttribute('title', sprintf(_t('Member.REMEMBERME', "Remember me next time? (for %d days on this device)"), RememberLoginHash::config()->get('token_expiry_days'))));
                }
            }
            if (!$actions) {
                $actions = FieldList::create(FormAction::create('dologin', _t('Member.BUTTONLOGIN', "Log in")), LiteralField::create('forgotPassword', '<p id="ForgotPassword"><a href="' . Security::lost_password_url() . '">' . _t('Member.BUTTONLOSTPASSWORD', "I've lost my password") . '</a></p>'));
            }
        }
        if (isset($backURL)) {
            $fields->push(HiddenField::create('BackURL', 'BackURL', $backURL));
        }
        // Reduce attack surface by enforcing POST requests
        $this->setFormMethod('POST', true);
        parent::__construct($controller, $name, $fields, $actions);
        $this->setValidator(RequiredFields::create('Email', 'Password'));
        // Focus on the email input when the page is loaded
        $js = <<<JS
\t\t\t(function() {
\t\t\t\tvar el = document.getElementById("MemberLoginForm_LoginForm_Email");
\t\t\t\tif(el && el.focus && (typeof jQuery == 'undefined' || jQuery(el).is(':visible'))) el.focus();
\t\t\t})();
JS;
        Requirements::customScript($js, 'MemberLoginFormFieldFocus');
    }