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| 1 | <?php |
| 2 | |
| 3 | /** |
| 4 | * This program is free software; you can redistribute it and/or |
| 5 | * modify it under the terms of the GNU General Public License |
| 6 | * as published by the Free Software Foundation; under version 2 |
| 7 | * of the License (non-upgradable). |
| 8 | * |
| 9 | * This program is distributed in the hope that it will be useful, |
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 12 | * GNU General Public License for more details. |
| 13 | * |
| 14 | * You should have received a copy of the GNU General Public License |
| 15 | * along with this program; if not, write to the Free Software |
| 16 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
| 17 | * |
| 18 | * Copyright (c) 2002-2008 (original work) Public Research Centre Henri Tudor & University of Luxembourg |
| 19 | * (under the project TAO & TAO2); |
| 20 | * 2008-2010 (update and modification) Deutsche Institut für Internationale Pädagogische Forschung |
| 21 | * (under the project TAO-TRANSFER); |
| 22 | * 2009-2012 (update and modification) Public Research Centre Henri Tudor |
| 23 | * (under the project TAO-SUSTAIN & TAO-DEV); |
| 24 | * 2015-2023 (update and modification) Open Assessment Technologies SA; |
| 25 | */ |
| 26 | |
| 27 | namespace oat\taoBackOffice\controller; |
| 28 | |
| 29 | use core_kernel_classes_Class; |
| 30 | use oat\taoBackOffice\model\tree\TreeService; |
| 31 | |
| 32 | /** |
| 33 | * This controller provide the actions to manage the lists of data |
| 34 | * |
| 35 | * @author CRP Henri Tudor - TAO Team - {@link http://www.tao.lu} |
| 36 | * @license GPLv2 http://www.opensource.org/licenses/gpl-2.0.php |
| 37 | * @package taoBackOffice |
| 38 | * |
| 39 | * |
| 40 | */ |
| 41 | class Trees extends \tao_actions_RdfController |
| 42 | { |
| 43 | /** |
| 44 | * @return TreeService |
| 45 | */ |
| 46 | protected function getClassService() |
| 47 | { |
| 48 | return TreeService::singleton(); |
| 49 | } |
| 50 | |
| 51 | /** |
| 52 | * |
| 53 | * @return \core_kernel_classes_Class |
| 54 | */ |
| 55 | protected function getRootClass() |
| 56 | { |
| 57 | return $this->getClassService()->getRootClass(); |
| 58 | } |
| 59 | |
| 60 | /** |
| 61 | * Visualises the tree |
| 62 | */ |
| 63 | public function getTree() |
| 64 | { |
| 65 | $tree = $this->getClass($this->getRequestParameter('uri')); |
| 66 | $struct = $this->getClassService()->getFlatStructure( |
| 67 | $tree, |
| 68 | function ($label) { |
| 69 | return wordwrap($label, 30, "\n"); |
| 70 | } |
| 71 | ); |
| 72 | $this->returnJson($struct); |
| 73 | } |
| 74 | |
| 75 | /** |
| 76 | * Renders a tree |
| 77 | * @requiresRight id READ |
| 78 | */ |
| 79 | public function viewTree() |
| 80 | { |
| 81 | |
| 82 | $this->setData('id', $this->getRequestParameter('id')); |
| 83 | |
| 84 | $this->setView('Trees/viewTree.tpl'); |
| 85 | } |
| 86 | |
| 87 | /** |
| 88 | * Returns an empty view |
| 89 | */ |
| 90 | public function dummy() |
| 91 | { |
| 92 | } |
| 93 | |
| 94 | /** |
| 95 | * Populates the Tree of Trees |
| 96 | * |
| 97 | * @requiresRight classUri READ |
| 98 | */ |
| 99 | public function getTreeData() |
| 100 | { |
| 101 | $data = [ |
| 102 | 'data' => __("Trees"), |
| 103 | 'type' => 'class', |
| 104 | 'attributes' => [ |
| 105 | 'id' => \tao_helpers_Uri::encode($this->getRootClass()->getUri()), |
| 106 | 'class' => 'node-class', |
| 107 | 'data-uri' => $this->getRootClass()->getUri() |
| 108 | ], |
| 109 | |
| 110 | ]; |
| 111 | |
| 112 | $sublasses = $this->getRootClass()->getSubClasses(false); |
| 113 | |
| 114 | if (count($sublasses)) { |
| 115 | $data['children'] = []; |
| 116 | } |
| 117 | |
| 118 | foreach ($sublasses as $class) { |
| 119 | $data['children'][] = [ |
| 120 | 'data' => $class->getLabel(), |
| 121 | 'type' => 'instance', |
| 122 | 'attributes' => [ |
| 123 | 'id' => \tao_helpers_Uri::encode($class->getUri()), |
| 124 | 'class' => 'node-instance', |
| 125 | 'data-uri' => $class->getUri() |
| 126 | ] |
| 127 | ]; |
| 128 | } |
| 129 | |
| 130 | //retrieve resources permissions |
| 131 | $user = $this->getSession()->getUser(); |
| 132 | $permissions = $this->getResourceService()->getResourcesPermissions($user, $data); |
| 133 | |
| 134 | //expose the tree |
| 135 | $this->returnJson([ |
| 136 | 'tree' => $data, |
| 137 | 'permissions' => $permissions |
| 138 | ]); |
| 139 | } |
| 140 | } |