chamilo /
chamilo-lms
| Total Complexity | 108 |
| Total Lines | 697 |
| Duplicated Lines | 0 % |
| Changes | 0 | ||
Complex classes like survey_question often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes.
Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.
While breaking up the class, it is a good idea to analyze how other classes use survey_question, and based on these observations, apply Extract Interface, too.
| 1 | <?php |
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| 12 | class survey_question |
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| 13 | { |
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| 14 | public $buttonList = []; |
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| 15 | /** @var FormValidator */ |
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| 16 | private $form; |
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| 17 | |||
| 18 | /** |
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| 19 | * @param array $surveyData |
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| 20 | */ |
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| 21 | public function addParentMenu($formData, FormValidator $form, $surveyData) |
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| 22 | { |
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| 23 | $surveyId = $surveyData['iid']; |
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| 24 | $questionId = isset($formData['question_id']) ? $formData['question_id'] : 0; |
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| 25 | $parentId = isset($formData['parent_id']) ? $formData['parent_id'] : 0; |
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| 26 | $optionId = isset($formData['parent_option_id']) ? $formData['parent_option_id'] : 0; |
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| 27 | $questions = SurveyManager::get_questions($surveyId); |
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| 28 | |||
| 29 | $newQuestionList = []; |
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| 30 | $allowTypes = ['yesno', 'multiplechoice', 'multipleresponse']; |
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| 31 | foreach ($questions as $question) { |
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| 32 | if (in_array($question['type'], $allowTypes)) { |
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| 33 | $newQuestionList[$question['sort']] = $question; |
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| 34 | } |
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| 35 | } |
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| 36 | ksort($newQuestionList); |
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| 37 | |||
| 38 | $options = []; |
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| 39 | foreach ($newQuestionList as $question) { |
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| 40 | if (!empty($questionId)) { |
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| 41 | if ($question['question_id'] == $questionId) { |
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| 42 | break; |
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| 43 | } |
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| 44 | } |
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| 45 | $options[$question['question_id']] = strip_tags($question['question']); |
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| 46 | } |
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| 47 | $form->addSelect( |
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| 48 | 'parent_id', |
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| 49 | get_lang('Parent'), |
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| 50 | $options, |
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| 51 | ['id' => 'parent_id', 'placeholder' => get_lang('Please select an option')] |
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| 52 | ); |
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| 53 | $url = api_get_path(WEB_AJAX_PATH). |
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| 54 | 'survey.ajax.php?'.api_get_cidreq().'&a=load_question_options&survey_id='.$surveyId; |
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| 55 | $form->addHtml(' |
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| 56 | <script> |
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| 57 | $(function() { |
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| 58 | $("#parent_id").on("change", function() { |
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| 59 | var questionId = $(this).val() |
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| 60 | var $select = $("#parent_option_id"); |
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| 61 | $select.empty(); |
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| 62 | |||
| 63 | if (questionId === "") { |
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| 64 | $("#option_list").hide(); |
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| 65 | } else { |
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| 66 | $.getJSON({ |
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| 67 | url: "'.$url.'" + "&question_id=" + questionId, |
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| 68 | success: function(data) { |
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| 69 | $("#option_list").show(); |
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| 70 | $.each(data, function(key, value) { |
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| 71 | $("<option>").val(key).text(value).appendTo($select); |
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| 72 | }); |
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| 73 | } |
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| 74 | }); |
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| 75 | } |
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| 76 | }); |
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| 77 | }); |
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| 78 | </script> |
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| 79 | '); |
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| 80 | |||
| 81 | $style = 'display:none'; |
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| 82 | $options = []; |
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| 83 | if (!empty($optionId) && !empty($parentId)) { |
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| 84 | $parentData = SurveyManager::get_question($parentId); |
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| 85 | $style = ''; |
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| 86 | foreach ($parentData['answer_data'] as $answer) { |
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| 87 | $options[$answer['iid']] = strip_tags($answer['data']); |
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| 88 | } |
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| 89 | } |
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| 90 | |||
| 91 | $form->addHtml('<div id="option_list" style="'.$style.'">'); |
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| 92 | $form->addSelect( |
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| 93 | 'parent_option_id', |
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| 94 | get_lang('Option'), |
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| 95 | $options, |
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| 96 | ['id' => 'parent_option_id', 'disable_js' => true] |
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| 97 | ); |
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| 98 | $form->addHtml('</div>'); |
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| 99 | } |
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| 100 | |||
| 101 | /** |
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| 102 | * @param string $type |
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| 103 | * |
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| 104 | * @return survey_question |
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| 105 | */ |
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| 106 | public static function createQuestion($type) |
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| 107 | { |
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| 108 | switch ($type) { |
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| 109 | case 'comment': |
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| 110 | return new ch_comment(); |
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| 111 | case 'dropdown': |
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| 112 | return new ch_dropdown(); |
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| 113 | case 'multiplechoice': |
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| 114 | return new ch_multiplechoice(); |
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| 115 | case 'multipleresponse': |
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| 116 | return new ch_multipleresponse(); |
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| 117 | case 'open': |
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| 118 | return new ch_open(); |
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| 119 | case 'pagebreak': |
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| 120 | return new ch_pagebreak(); |
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| 121 | case 'percentage': |
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| 122 | return new ch_percentage(); |
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| 123 | case 'personality': |
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| 124 | return new ch_personality(); |
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| 125 | case 'score': |
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| 126 | return new ch_score(); |
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| 127 | case 'yesno': |
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| 128 | return new ch_yesno(); |
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| 129 | case 'selectivedisplay': |
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| 130 | return new ch_selectivedisplay(); |
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| 131 | case 'multiplechoiceother': |
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| 132 | return new ch_multiplechoiceother(); |
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| 133 | default: |
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| 134 | api_not_allowed(true); |
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| 135 | break; |
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| 136 | } |
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| 137 | } |
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| 138 | |||
| 139 | /** |
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| 140 | * Generic part of any survey question: the question field. |
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| 141 | * |
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| 142 | * @param array $surveyData |
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| 143 | * @param array $formData |
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| 144 | * |
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| 145 | * @return FormValidator |
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| 146 | */ |
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| 147 | public function createForm($surveyData, $formData) |
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| 148 | { |
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| 149 | $action = isset($_GET['action']) ? Security::remove_XSS($_GET['action']) : null; |
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| 150 | $questionId = isset($_GET['question_id']) ? (int) $_GET['question_id'] : null; |
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| 151 | $surveyId = isset($_GET['survey_id']) ? (int) $_GET['survey_id'] : null; |
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| 152 | $type = isset($_GET['type']) ? Security::remove_XSS($_GET['type']) : null; |
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| 153 | |||
| 154 | $actionHeader = get_lang('Edit question').': '; |
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| 155 | if ('add' === $action) { |
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| 156 | $actionHeader = get_lang('Add a question').': '; |
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| 157 | } |
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| 158 | |||
| 159 | $questionComment = ''; |
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| 160 | $allowParent = false; |
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| 161 | switch ($type) { |
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| 162 | case 'open': |
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| 163 | $toolName = get_lang('Open'); |
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| 164 | $questionComment = get_lang("You can use the tags {{class_name}} and {{student_full_name}} in the question to be able to multiply questions. On the survey list page, in the action field, you have a button to multiply a question that will look for the {{class_name}} tag, duplicate the question for all the classes subscribed to the course, and rename it with the name of the class. It will also add a page ending to make a new page for each class. Then it will look for the {{student_full_name}} tag and duplicate the question for all the students in the class (for each class) and rename it with the student's full name."); |
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| 165 | $allowParent = true; |
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| 166 | break; |
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| 167 | case 'yesno': |
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| 168 | $toolName = get_lang('Yes / No'); |
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| 169 | $allowParent = true; |
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| 170 | break; |
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| 171 | case 'multiplechoice': |
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| 172 | $toolName = get_lang('Multiple choice'); |
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| 173 | $allowParent = true; |
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| 174 | break; |
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| 175 | case 'multipleresponse': |
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| 176 | $toolName = get_lang('Multiple answers'); |
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| 177 | $allowParent = true; |
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| 178 | break; |
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| 179 | case 'selectivedisplay': |
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| 180 | $toolName = get_lang('Selective display'); |
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| 181 | $questionComment = get_lang( |
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| 182 | "This question, when located on a single survey page with a first multiple choice question, will only show if the first *option* of the first question is selected. For example, 'Did you go on holiday?' -> if answering the first option 'Yes', the selective display question will appear with a list of possible holiday locations to select from." |
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| 183 | ); |
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| 184 | $allowParent = true; |
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| 185 | break; |
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| 186 | case 'multiplechoiceother': |
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| 187 | $toolName = get_lang('Multiple choice with free text'); |
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| 188 | $questionComment = get_lang( |
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| 189 | 'Offer some pre-defined options, then let the user answer by text if no option matches.' |
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| 190 | ); |
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| 191 | $allowParent = true; |
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| 192 | break; |
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| 193 | case 'pagebreak': |
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| 194 | $toolName = get_lang(api_ucfirst($type)); |
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| 195 | $allowParent = false; |
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| 196 | break; |
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| 197 | default: |
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| 198 | $toolName = get_lang(api_ucfirst($type)); |
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| 199 | $allowParent = true; |
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| 200 | break; |
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| 201 | } |
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| 202 | |||
| 203 | $icon = Display::getMdiIcon( |
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| 204 | SurveyManager::icon_question($type), |
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| 205 | 'ch-tool-icon', |
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| 206 | null, |
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| 207 | ICON_SIZE_SMALL, |
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| 208 | $toolName |
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| 209 | ).' '; |
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| 210 | |||
| 211 | $toolName = $icon.$actionHeader.$toolName; |
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| 212 | $sharedQuestionId = $formData['shared_question_id'] ?? null; |
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| 213 | |||
| 214 | $url = api_get_self(). |
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| 215 | '?action='.$action.'&type='.$type.'&survey_id='.$surveyId.'&question_id='.$questionId.'&'.api_get_cidreq(); |
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| 216 | $form = new FormValidator('question_form', 'post', $url); |
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| 217 | $form->addHeader($toolName); |
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| 218 | if (!empty($questionComment)) { |
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| 219 | $form->addHtml(Display::return_message($questionComment, 'info', false)); |
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| 220 | } |
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| 221 | $form->addHidden('survey_id', $surveyId); |
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| 222 | $form->addHidden('question_id', $questionId); |
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| 223 | $form->addHidden('shared_question_id', Security::remove_XSS($sharedQuestionId)); |
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| 224 | $form->addHidden('type', $type); |
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| 225 | |||
| 226 | $config = [ |
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| 227 | 'ToolbarSet' => 'SurveyQuestion', |
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| 228 | 'Width' => '100%', |
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| 229 | 'Height' => '120', |
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| 230 | ]; |
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| 231 | $form->addHtmlEditor( |
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| 232 | 'question', |
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| 233 | get_lang('Question'), |
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| 234 | true, |
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| 235 | false, |
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| 236 | $config |
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| 237 | ); |
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| 238 | |||
| 239 | if (in_array($_GET['type'], ['yesno', 'multiplechoice'])) { |
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| 240 | $form->addCheckBox('is_required', get_lang('Mandatory?'), get_lang('Yes')); |
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| 241 | } |
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| 242 | |||
| 243 | if ($allowParent) { |
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| 244 | $this->addParentMenu($formData, $form, $surveyData); |
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| 245 | } |
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| 246 | // When survey type = 1?? |
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| 247 | if (1 == $surveyData['survey_type']) { |
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| 248 | $table_survey_question_group = Database::get_course_table(TABLE_SURVEY_QUESTION_GROUP); |
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| 249 | $sql = 'SELECT id, title FROM '.$table_survey_question_group.' |
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| 250 | WHERE survey_id = '.$surveyId.' |
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| 251 | ORDER BY name'; |
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| 252 | $rs = Database::query($sql); |
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| 253 | $glist = null; |
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| 254 | while ($row = Database::fetch_array($rs, 'NUM')) { |
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| 255 | $glist .= '<option value="'.$row[0].'" >'.$row[1].'</option>'; |
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| 256 | } |
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| 257 | |||
| 258 | $grouplist = $grouplist1 = $grouplist2 = $glist; |
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| 259 | if (!empty($formData['assigned'])) { |
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| 260 | $grouplist = str_replace( |
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| 261 | '<option value="'.$formData['assigned'].'"', |
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| 262 | '<option value="'.$formData['assigned'].'" selected', |
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| 263 | $glist |
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| 264 | ); |
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| 265 | } |
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| 266 | |||
| 267 | if (!empty($formData['assigned1'])) { |
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| 268 | $grouplist1 = str_replace( |
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| 269 | '<option value="'.$formData['assigned1'].'"', |
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| 270 | '<option value="'.$formData['assigned1'].'" selected', |
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| 271 | $glist |
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| 272 | ); |
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| 273 | } |
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| 274 | |||
| 275 | if (!empty($formData['assigned2'])) { |
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| 276 | $grouplist2 = str_replace( |
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| 277 | '<option value="'.$formData['assigned2'].'"', |
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| 278 | '<option value="'.$formData['assigned2'].'" selected', |
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| 279 | $glist |
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| 280 | ); |
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| 281 | } |
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| 282 | |||
| 283 | $this->html .= '<tr><td colspan=""> |
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|
Bug
Best Practice
introduced
by
|
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| 284 | <fieldset style="border:1px solid black"> |
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| 285 | <legend>'.get_lang('Condition').'</legend> |
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| 286 | <b>'.get_lang('Primary').'</b><br /> |
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| 287 | <input type="radio" name="choose" value="1" '.((1 == $formData['choose']) ? 'checked' : '').'> |
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| 288 | <select name="assigned">'.$grouplist.'</select><br />'; |
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| 289 | $this->html .= ' |
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| 290 | <b>'.get_lang('Secondary').'</b><br /> |
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| 291 | <input type="radio" name="choose" value="2" '.((2 == $formData['choose']) ? 'checked' : '').'> |
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| 292 | <select name="assigned1">'.$grouplist1.'</select> |
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| 293 | <select name="assigned2">'.$grouplist2.'</select> |
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| 294 | </fieldset><br />'; |
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| 295 | } |
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| 296 | |||
| 297 | $this->setForm($form); |
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| 298 | |||
| 299 | return $form; |
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| 300 | } |
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| 301 | |||
| 302 | /** |
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| 303 | * Adds submit button. |
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| 304 | */ |
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| 305 | public function renderForm() |
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| 306 | { |
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| 307 | if (isset($_GET['question_id']) && !empty($_GET['question_id'])) { |
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| 308 | /** |
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| 309 | * Prevent the edition of already-answered questions to avoid |
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| 310 | * inconsistent answers. Use the configuration option |
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| 311 | * survey_allow_answered_question_edit to change this behaviour. |
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| 312 | */ |
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| 313 | $surveyId = isset($_GET['survey_id']) ? (int) $_GET['survey_id'] : 0; |
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| 314 | $answersChecker = SurveyUtil::checkIfSurveyHasAnswers($surveyId); |
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| 315 | $allowQuestionEdit = ('true' === api_get_setting('survey.survey_allow_answered_question_edit')); |
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| 316 | if ($allowQuestionEdit || !$answersChecker) { |
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| 317 | $this->buttonList[] = $this->getForm()->addButtonUpdate(get_lang('Edit question'), 'save', true); |
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| 318 | } else { |
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| 319 | $this->getForm()->addHtml(' |
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| 320 | <div class="form-group"> |
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| 321 | <label class="col-sm-2 control-label"></label> |
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| 322 | <div class="col-sm-8"> |
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| 323 | <div class="alert alert-info">'. |
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| 324 | get_lang("You can't edit this question because answers by students have already been registered").'</div> |
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| 325 | </div> |
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| 326 | <div class="col-sm-2"></div> |
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| 327 | </div> |
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| 328 | '); |
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| 329 | } |
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| 330 | } else { |
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| 331 | $this->buttonList[] = $this->getForm()->addButtonSave(get_lang('Create question'), 'save', true); |
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| 332 | } |
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| 333 | |||
| 334 | $this->getForm()->addGroup($this->buttonList, 'buttons'); |
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| 335 | } |
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| 336 | |||
| 337 | /** |
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| 338 | * @return FormValidator |
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| 339 | */ |
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| 340 | public function getForm() |
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| 341 | { |
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| 342 | return $this->form; |
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| 343 | } |
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| 344 | |||
| 345 | /** |
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| 346 | * @param FormValidator $form |
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| 347 | */ |
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| 348 | public function setForm($form) |
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| 349 | { |
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| 350 | $this->form = $form; |
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| 351 | } |
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| 352 | |||
| 353 | /** |
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| 354 | * @param array $formData |
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| 355 | * |
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| 356 | * @return mixed |
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| 357 | */ |
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| 358 | public function preSave($formData) |
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| 359 | { |
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| 360 | $counter = Session::read('answer_count'); |
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| 361 | $answerList = Session::read('answer_list'); |
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| 362 | |||
| 363 | if (empty($answerList)) { |
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| 364 | $answerList = $formData['answers'] ?? []; |
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| 365 | Session::write('answer_list', $answerList); |
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| 366 | } |
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| 367 | |||
| 368 | if (isset($_POST['answers'])) { |
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| 369 | $formData['question'] = $_POST['question']; |
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| 370 | $formData['answers'] = $_POST['answers']; |
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| 371 | } |
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| 372 | |||
| 373 | if (empty($counter)) { |
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| 374 | $counter = count($answerList) - 1; |
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| 375 | Session::write('answer_count', $counter); |
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| 376 | } |
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| 377 | |||
| 378 | // Moving an answer up |
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| 379 | if (isset($_POST['move_up']) && $_POST['move_up']) { |
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| 380 | foreach ($_POST['move_up'] as $key => &$value) { |
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| 381 | $id1 = $key; |
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| 382 | $content1 = $formData['answers'][$id1]; |
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| 383 | $id2 = $key - 1; |
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| 384 | $content2 = $formData['answers'][$id2]; |
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| 385 | $formData['answers'][$id1] = $content2; |
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| 386 | $formData['answers'][$id2] = $content1; |
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| 387 | } |
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| 388 | } |
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| 389 | |||
| 390 | // Moving an answer down |
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| 391 | if (isset($_POST['move_down']) && $_POST['move_down']) { |
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| 392 | foreach ($_POST['move_down'] as $key => &$value) { |
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| 393 | $id1 = $key; |
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| 394 | $content1 = $formData['answers'][$id1]; |
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| 395 | $id2 = $key + 1; |
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| 396 | $content2 = $formData['answers'][$id2]; |
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| 397 | $formData['answers'][$id1] = $content2; |
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| 398 | $formData['answers'][$id2] = $content1; |
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| 399 | } |
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| 400 | } |
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| 401 | |||
| 402 | /** |
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| 403 | * Deleting a specific answer is only saved in the session until the |
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| 404 | * "Save question" button is pressed. This means all options are kept |
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| 405 | * in the survey_question_option table until the question is saved. |
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| 406 | */ |
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| 407 | if (isset($_POST['delete_answer'])) { |
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| 408 | $deleted = false; |
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| 409 | foreach ($_POST['delete_answer'] as $key => &$value) { |
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| 410 | $deleted = $key; |
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| 411 | $counter--; |
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| 412 | Session::write('answer_count', $counter); |
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| 413 | } |
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| 414 | |||
| 415 | $newAnswers = []; |
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| 416 | $newAnswersId = []; |
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| 417 | foreach ($formData['answers'] as $key => &$value) { |
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| 418 | if ($key > $deleted) { |
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| 419 | // swap with previous (deleted) option slot |
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| 420 | $newAnswers[$key - 1] = $formData['answers'][$key]; |
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| 421 | $newAnswersId[$key - 1] = $formData['answersid'][$key] ?? 0; |
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| 422 | unset($formData['answers'][$key]); |
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| 423 | unset($formData['answersid'][$key]); |
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| 424 | } elseif ($key === $deleted) { |
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| 425 | // delete option |
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| 426 | unset($formData['answers'][$deleted]); |
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| 427 | unset($formData['answersid'][$deleted]); |
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| 428 | } else { |
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| 429 | // keep as is |
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| 430 | $newAnswers[$key] = $value; |
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| 431 | if (isset($formData['answersid'])) { |
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| 432 | $newAnswersId[$key] = $formData['answersid'][$key]; |
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| 433 | } |
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| 434 | } |
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| 435 | } |
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| 436 | unset($formData['answers']); |
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| 437 | unset($formData['answersid']); |
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| 438 | $formData['answers'] = $newAnswers; |
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| 439 | $formData['answersid'] = $newAnswersId; |
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| 440 | } |
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| 441 | |||
| 442 | // Adding an answer |
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| 443 | if (isset($_POST['buttons']) && isset($_POST['buttons']['add_answer'])) { |
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| 444 | if (isset($_REQUEST['type']) && 'multiplechoiceother' === $_REQUEST['type'] && $counter > 2) { |
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| 445 | $counter--; |
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| 446 | } |
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| 447 | $counter++; |
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| 448 | Session::write('answer_count', $counter); |
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| 449 | } |
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| 450 | |||
| 451 | // Removing an answer |
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| 452 | if (isset($_POST['buttons']) && isset($_POST['buttons']['remove_answer'])) { |
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| 453 | $counter--; |
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| 454 | Session::write('answer_count', $counter); |
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| 455 | foreach ($formData['answers'] as $index => &$data) { |
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| 456 | if ($index > $counter) { |
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| 457 | unset($formData['answers'][$index]); |
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| 458 | unset($formData['answersid'][$index]); |
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| 459 | } |
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| 460 | } |
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| 461 | } |
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| 462 | |||
| 463 | if (!isset($_POST['delete_answer'])) { |
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| 464 | // Make sure we have an array of answers |
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| 465 | if (!isset($formData['answers'])) { |
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| 466 | $formData['answers'] = []; |
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| 467 | } |
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| 468 | // Check if no deleted answer remains at the end of the answers |
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| 469 | // array and add empty answers if the array is too short |
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| 470 | foreach ($formData['answers'] as $index => $data) { |
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| 471 | if ($index > $counter) { |
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| 472 | unset($formData['answers'][$index]); |
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| 473 | } |
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| 474 | } |
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| 475 | |||
| 476 | for ($i = 0; $i <= $counter; $i++) { |
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| 477 | if (!isset($formData['answers'][$i])) { |
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| 478 | $formData['answers'][$i] = ''; |
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| 479 | } |
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| 480 | } |
||
| 481 | } |
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| 482 | |||
| 483 | $formData['answers'] = isset($formData['answers']) ? $formData['answers'] : []; |
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| 484 | Session::write('answer_list', $formData['answers']); |
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| 485 | |||
| 486 | if (!isset($formData['is_required']) && ('true' === api_get_setting('survey.survey_mark_question_as_required'))) { |
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| 487 | $formData['is_required'] = true; |
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| 488 | } |
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| 489 | |||
| 490 | return $formData; |
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| 491 | } |
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| 492 | |||
| 493 | public function save(CSurvey $survey, array $formData, array $dataFromDatabase = []) |
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| 494 | { |
||
| 495 | // Saving a question |
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| 496 | if (isset($_POST['buttons']) && isset($_POST['buttons']['save'])) { |
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| 497 | Session::erase('answer_count'); |
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| 498 | Session::erase('answer_list'); |
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| 499 | $result = SurveyManager::saveQuestion($survey, $formData, true, $dataFromDatabase); |
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| 500 | if (false === $result['error']) { |
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| 501 | Display::addFlash(Display::return_message($result['message'])); |
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| 502 | $url = api_get_path(WEB_CODE_PATH).'survey/survey.php?survey_id='.$survey->getIid().'&'.api_get_cidreq(); |
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| 503 | header('Location: '.$url); |
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| 504 | exit; |
||
| 505 | } |
||
| 506 | } |
||
| 507 | |||
| 508 | return $formData; |
||
| 509 | } |
||
| 510 | |||
| 511 | /** |
||
| 512 | * Adds two buttons. One to add an option, one to remove an option. |
||
| 513 | * |
||
| 514 | * @param array $data |
||
| 515 | */ |
||
| 516 | public function addRemoveButtons($data) |
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| 517 | { |
||
| 518 | $this->buttonList['remove_answer'] = $this->getForm()->createElement( |
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| 519 | 'button', |
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| 520 | 'remove_answer', |
||
| 521 | get_lang('Remove option'), |
||
| 522 | 'minus', |
||
| 523 | 'default' |
||
| 524 | ); |
||
| 525 | |||
| 526 | if (count($data['answers']) <= 2) { |
||
| 527 | $this->buttonList['remove_answer']->updateAttributes( |
||
| 528 | ['disabled' => 'disabled'] |
||
| 529 | ); |
||
| 530 | } |
||
| 531 | |||
| 532 | $this->buttonList['add_answer'] = $this->getForm()->createElement( |
||
| 533 | 'button', |
||
| 534 | 'add_answer', |
||
| 535 | get_lang('Add option'), |
||
| 536 | 'plus', |
||
| 537 | 'default' |
||
| 538 | ); |
||
| 539 | } |
||
| 540 | |||
| 541 | /** |
||
| 542 | * Get the JS for questions that can depend on a previous question |
||
| 543 | * (and that hides those questions until something changes in the previous |
||
| 544 | * question). |
||
| 545 | * |
||
| 546 | * @return string HTML code |
||
| 547 | */ |
||
| 548 | public static function getJs() |
||
| 551 | <style> |
||
| 552 | .with_parent { |
||
| 553 | display: none; |
||
| 554 | } |
||
| 555 | </style> |
||
| 556 | <script> |
||
| 557 | $(function() { |
||
| 558 | }); |
||
| 559 | </script>'; |
||
| 560 | } |
||
| 561 | |||
| 562 | /** |
||
| 563 | * Get the question parents recursively, if any. This function depends on |
||
| 564 | * the existence of a parent_id field, which depends on the |
||
| 565 | * 'survey_question_dependency' setting and its corresponding SQL |
||
| 566 | * requirements. |
||
| 567 | * |
||
| 568 | * @param int $questionId The c_survey_question.question.id |
||
| 569 | * @param array $list An array of parents to be extended by this method |
||
| 570 | * |
||
| 571 | * @return array The completed array of parents |
||
| 572 | */ |
||
| 573 | public static function getParents($questionId, $list = []) |
||
| 574 | { |
||
| 575 | $courseId = api_get_course_int_id(); |
||
| 576 | $questionId = (int) $questionId; |
||
| 577 | |||
| 578 | $table = Database::get_course_table(TABLE_SURVEY_QUESTION); |
||
| 579 | $sql = "SELECT parent_id FROM $table |
||
| 580 | WHERE c_id = $courseId AND question_id = $questionId "; |
||
| 581 | $result = Database::query($sql); |
||
| 582 | $row = Database::fetch_assoc($result); |
||
| 583 | if ($row && !empty($row['parent_id'])) { |
||
| 584 | $list[] = $row['parent_id']; |
||
| 585 | $list = self::getParents($row['parent_id'], $list); |
||
| 586 | } |
||
| 587 | |||
| 588 | return $list; |
||
| 589 | } |
||
| 590 | |||
| 591 | /** |
||
| 592 | * Creates the JS code for the given parent question so that it shows |
||
| 593 | * the children questions when a specific answer of the parent is selected. |
||
| 594 | * |
||
| 595 | * @param array $question An array with the question details |
||
| 596 | * |
||
| 597 | * @return string JS code to add to the HTML survey question page |
||
| 598 | */ |
||
| 599 | public static function getQuestionJs($question) |
||
| 676 | } |
||
| 677 | |||
| 678 | /** |
||
| 679 | * Returns the (children) questions that have the given question as parent. |
||
| 680 | * |
||
| 681 | * @param array $question An array describing the parent question |
||
| 682 | * |
||
| 683 | * @return array The questions that have the given question as parent |
||
| 684 | */ |
||
| 685 | public static function getDependency(array $question): ?array |
||
| 686 | { |
||
| 687 | $questionId = $question['question_id']; |
||
| 688 | |||
| 689 | $em = Database::getManager(); |
||
| 690 | |||
| 691 | $queryBuilder = $em->createQueryBuilder(); |
||
| 692 | $queryBuilder->select('q') |
||
| 693 | ->from(CSurveyQuestion::class, 'q') |
||
| 694 | ->where('q.parent = :parent') |
||
| 695 | ->setParameter('parent', $questionId); |
||
| 696 | |||
| 697 | return $queryBuilder->getQuery()->getArrayResult(); |
||
| 698 | } |
||
| 699 | |||
| 700 | /** |
||
| 701 | * This method is not implemented at this level (returns null). |
||
| 702 | * |
||
| 703 | * @param array $questionData |
||
| 704 | * @param array $answers |
||
| 705 | */ |
||
| 706 | public function render(FormValidator $form, $questionData = [], $answers = []) |
||
| 709 | } |
||
| 710 | } |
||
| 711 |
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