feature: Debug info + delete all variants button

classes/class.assStackQuestionGUI.php

@@ -343,7 +343,9 @@ public function getPreview($show_question_only = false, $showInlineFeedback = fa
 			$question_preview = $this->getILIASPage($question_preview);
 		}
 
-		return assStackQuestionUtils::_getLatex($question_preview);
+        $question_preview .= StackRenderIlias::renderQuestionVariables(StackRandomisationIlias::getRandomisationData($this->object, $this->object->getSeed()));
+
+        return assStackQuestionUtils::_getLatex($question_preview);
 	}
 
     /**
@@ -1152,6 +1154,8 @@ public function setQuestionTabs():void
                 'runAllTestsForAllVariants',
                 'addCustomTestForm',
                 'addStandardTest',
+                'confirmDeleteAllVariants',
+                'deleteAllVariants',
                 'editTestcases',
                 'deleteUnitTest',
                 'checkPrtPlaceholders'
@@ -1240,6 +1244,8 @@ public function getLearningModuleTabs()
             'runAllTestsForAllVariants',
             'addCustomTestForm',
             'addStandardTest',
+            'confirmDeleteAllVariants',
+            'deleteAllVariants',
             'editTestcases',
             'deleteUnitTest',
             'checkPrtPlaceholders'
@@ -2018,6 +2024,45 @@ public function addStandardTest(): void
         $this->randomisationAndSecurity();
     }
 
+    /**
+     * Called to delete all seeds
+     */
+    public function confirmDeleteAllVariants(): void
+    {
+        global $DIC, $tpl;
+        $tabs = $DIC->tabs();
+
+        $tabs->activateTab('edit_properties');
+        $tabs->activateSubTab('randomisation_and_security');
+
+        $content = $DIC->ui()->renderer()->render($DIC->ui()->factory()->messageBox()->confirmation($this->object->getPlugin()->txt('ui_author_randomisation_confirm_delete_all_seeds')));
+
+        $content .= $DIC->ui()->renderer()->render($DIC->ui()->factory()->button()->standard($DIC->language()->txt("yes"), $this->ctrl->getLinkTarget($this, "deleteAllVariants")));
+        $content .= $DIC->ui()->renderer()->render($DIC->ui()->factory()->button()->standard($DIC->language()->txt("no"), $this->ctrl->getLinkTarget($this, "randomisationAndSecurity")));
+
+        $tpl->setContent($content);
+    }
+
+    /**
+     * Called to delete all seeds
+     */
+    public function deleteAllVariants(): void
+    {
+        global $DIC, $tpl;
+        $tabs = $DIC->tabs();
+
+        $tabs->activateTab('edit_properties');
+        $tabs->activateSubTab('randomisation_and_security');
+
+        assStackQuestionDB::_deleteStackSeeds($this->object->getId());
+
+        $tpl->setOnScreenMessage('success',
+            $this->object->getPlugin()->txt('ui_author_randomisation_all_seeds_deleted'),
+            true);
+
+        $this->randomisationAndSecurity();
+    }
+
     /**
      * @throws stack_exception
      * @throws StackException

classes/platform/ilias/StackRenderIlias.php

@@ -462,5 +462,49 @@ public static function _renderValidationButton(int $question_id, string $input_n
         return "<button class=\"xqcas btn btn-default\" name=\"cmd[xqcas_" . $question_id . '_' . $input_name . "]\"><span class=\"glyphicon glyphicon-ok\" aria-hidden=\"true\"></span></button>";
     }
 
+    public static function renderQuestionVariables(array $randomisation_data): string
+    {
+        global $DIC;
+        $factory = $DIC->ui()->factory();
+        $renderer = $DIC->ui()->renderer();
+        $language = $DIC->language();
+
+        $active_variant_question_variables = "Not found";
+        $active_variant_feedback_variables = "Not found";
+
+        if (isset($randomisation_data[""])) {
+            $active_variant_question_variables = $randomisation_data[""]["question_variables"];
+            $active_variant_feedback_variables = $randomisation_data[""]["feedback_variables"];
+        }
+
+        $randomisation = "";
+
+        if (trim($active_variant_question_variables) != "") {
+            $randomisation = "<strong>" . $language->txt("qpl_qst_xqcas_debug_info_question_variables") . "</strong>";
+            $randomisation .= assStackQuestionUtils::parseToHTMLWithoutLatex($active_variant_question_variables);
+        }
 
+        if (trim($active_variant_feedback_variables) != "") {
+            if ($randomisation != "") {
+                $randomisation .= $renderer->render($factory->divider()->horizontal());
+            }
+
+            $randomisation .= "<strong>" . $language->txt("qpl_qst_xqcas_debug_info_feedback_variables") . "</strong>";
+            $randomisation .= assStackQuestionUtils::parseToHTMLWithoutLatex($active_variant_feedback_variables);
+        }
+
+        if ($randomisation != "") {
+            if (isset($randomisation_data[""]["seed"])) {
+                $randomisation .= $renderer->render($factory->divider()->horizontal()) . "<strong>Seed: </strong>" . $randomisation_data[""]["seed"];
+            }
+
+            $panel = $factory->panel()->standard($language->txt("qpl_qst_xqcas_debug_info_message"), $factory->legacy(
+                $randomisation
+            ));
+
+            return $renderer->render($panel);
+        } else  {
+            return "";
+        }
+    }
 }

classes/ui/author/class.RandomisationAndSecurityUI.php

@@ -251,6 +251,9 @@ private function getCurrentActiveVariantPanelUIComponent(bool $uses_randomisatio
         $array_of_actions[] = $this->factory->button()->shy(
             $this->language->txt("qpl_qst_xqcas_ui_author_randomisation_add_standard_test_button_text"),
             $this->control->getLinkTargetByClass("assstackquestiongui", "addStandardTest"));
+        $array_of_actions[] = $this->factory->button()->shy(
+            $this->language->txt("qpl_qst_xqcas_ui_author_randomisation_delete_all_variants_action_text"),
+            $this->control->getLinkTargetByClass("assstackquestiongui", "confirmDeleteAllVariants"));
 
         //Actions for the currently active variant
         $current_active_variant_panel_actions = $this->factory->dropdown()->standard($array_of_actions);

lang/ilias_de.lang

@@ -171,6 +171,9 @@ ui_author_randomisation_no_variants_generate_new_variants_action_text#:#10 neue
 ui_author_randomisation_add_standard_test_title#:#Automatisch-Testfall (Überprüft, ob die Musterantwort als korrekt bewertet wird)
 ui_author_randomisation_add_standard_test_description#:#Einen Automatisch-Testfall hinzufügen
 ui_author_randomisation_add_standard_test_button_text#:#Automatisch-Testfall hinzufügen
+ui_author_randomisation_delete_all_variants_action_text#:#Alle Varianten löschen
+ui_author_randomisation_all_seeds_deleted#:#Alle Seeds wurden gelöscht
+ui_author_randomisation_confirm_delete_all_seeds#:#Möchten Sie wirklich alle Seeds löschen?
 ui_author_randomisation_standard_unit_test_case_added#:#Standard-Einheitstestfall hinzugefügt
 ui_author_randomisation_active_variant_panel_title#:#Aktive Variante für Autoren bei Vorschau und Einheitstests
 ui_author_randomisation_deployed_variants_panel_title#:#Varianten der Frage für Studenten in Tests
@@ -682,4 +685,7 @@ page_editor_compatibility_info#:#Bitte beachten Sie, dass Änderungen, die über
 matrix_syntax_error#:#Ihre Antwort enthält Syntaxfehler.
 placeholder#:#Platzhalter
 value#:#Wert
-hint_mode#:#Hinweis-Modus
+hint_mode#:#Hinweis-Modus
+debug_info_message#:#Debug-Informationen (wird in Tests nicht angezeigt)
+debug_info_question_variables#:#Fragevariablen
+debug_info_feedback_variables#:#Feedback-Variablen

lang/ilias_en.lang

@@ -167,6 +167,9 @@ ui_author_randomisation_no_variants_generate_new_variants_action_text#:#Generate
 ui_author_randomisation_add_standard_test_title#:#Standard testcase (Checks that model answer is evaluated as correct)
 ui_author_randomisation_add_standard_test_description#:#Add a standard testcase
 ui_author_randomisation_add_standard_test_button_text#:#Add standard testcase
+ui_author_randomisation_delete_all_variants_action_text#:#Delete all variants
+ui_author_randomisation_all_seeds_deleted#:#All seeds have been deleted
+ui_author_randomisation_confirm_delete_all_seeds#:#Are you sure you want to delete all seeds?
 ui_author_randomisation_standard_unit_test_case_added#:#Standard unit test case added
 ui_author_randomisation_active_variant_panel_title#:#Active variant for authors at preview and unit tests
 ui_author_randomisation_deployed_variants_panel_title#:#Question's variants for students in tests
@@ -671,4 +674,7 @@ page_editor_compatibility_info#:#Please be aware that any edits made via the ILI
 matrix_syntax_error#:#Your answer contains syntax errors.
 placeholder#:#Placeholder
 value#:#Value
-hint_mode#:#Hint mode
+hint_mode#:#Hint mode
+debug_info_message#:#Debug information (not shown to the students in Tests)
+debug_info_question_variables#:#Question variables
+debug_info_feedback_variables#:#Feedback variables