83 lines
2.9 KiB
PHP
83 lines
2.9 KiB
PHP
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<?php
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/**
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; under version 2
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* of the License (non-upgradable).
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* Copyright (c) 2015 (original work) Open Assessment Technologies SA (under the project TAO-PRODUCT);
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*
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*/
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namespace oat\taoLti\models\classes\theme;
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use oat\tao\model\theme\ThemeService;
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use oat\taoLti\models\classes\TaoLtiSession;
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/**
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*
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* @author Joel Bout
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*
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* @deprecated Set the LtiThemeIdProvider (ThemeIdProviderInterface) to the ThemeService as option and use getTheme method!
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*/
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class LtiThemeSwitcher extends ThemeService implements LtiHeadless
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{
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const OPTION_HEADLESS_PAGE = 'headless_page';
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const LTI_VARIABLE = 'custom_theme';
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const LTI_PRESENTATION_TARGET = 'launch_presentation_document_target';
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/**
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* @return \oat\tao\model\theme\Theme
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* @throws \common_exception_Error
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* @throws \common_exception_InconsistentData
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* @throws \oat\taoLti\models\classes\LtiVariableMissingException
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*/
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public function getTheme()
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{
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$currentSession = \common_session_SessionManager::getSession();
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if ($currentSession instanceof TaoLtiSession) {
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$launchData = $currentSession->getLaunchData();
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if ($launchData->hasVariable(self::LTI_VARIABLE) && $this->hasTheme($launchData->getVariable(self::LTI_VARIABLE))) {
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return $this->getThemeById($launchData->getVariable(self::LTI_VARIABLE));
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}
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}
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return parent::getTheme();
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}
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/**
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* Tells if the page has to be headless: without header and footer.
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* @return bool|mixed
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* @throws \common_exception_Error
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* @throws \oat\taoLti\models\classes\LtiVariableMissingException
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*/
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public function isHeadless()
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{
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if ($this->hasOption(self::OPTION_HEADLESS_PAGE)) {
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return $this->getOption(self::OPTION_HEADLESS_PAGE);
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}
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$currentSession = \common_session_SessionManager::getSession();
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if ($currentSession instanceof TaoLtiSession) {
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$launchData = $currentSession->getLaunchData();
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$presentationTarget = $launchData->hasVariable(self::LTI_PRESENTATION_TARGET) ? $launchData->getVariable(self::LTI_PRESENTATION_TARGET) : '';
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return $presentationTarget == 'frame' || $presentationTarget == 'iframe';
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}
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return true;
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}
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}
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