class.ilExSubmissionTextGUI.php

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<?php

class ilExSubmissionTextGUI extends ilExSubmissionBaseGUI
{
    protected \ILIAS\Exercise\Submission\SubmissionManager $sub_manager;
    protected ilObjUser $user;
    protected ilHelpGUI $help;

    public function __construct(
        ilObjExercise $a_exercise,
        ilExSubmission $a_submission
    ) {
        global $DIC;

        parent::__construct($a_exercise, $a_submission);
        $this->user = $DIC->user();
        $this->help = $DIC["ilHelp"];
        $this->sub_manager = $DIC->exercise()->internal()->domain()->submission(
            $a_submission->getAssignment()->getId()
        );
    }

    public function executeCommand(): void
    {
        $ilCtrl = $this->ctrl;

        if (!$this->assignment ||
            $this->assignment->getType() != ilExAssignment::TYPE_TEXT ||
            !$this->submission->canView()) {
            return;
        }

        $class = $ilCtrl->getNextClass($this);
        $cmd = $ilCtrl->getCmd("showassignmenttext");

        switch ($class) {
            default:
                $this->{$cmd . "Object"}();
                break;
        }
    }

    public static function getOverviewContent(
        ilInfoScreenGUI $a_info,
        ilExSubmission $a_submission
    ): void {
        global $DIC;

        $lng = $DIC->language();
        $ilCtrl = $DIC->ctrl();
        $gui = $DIC->exercise()->internal()->gui();

        if ($a_submission->canSubmit()) {
            $link = $gui->link(
                $lng->txt("exc_text_assignment_edit"),
                $ilCtrl->getLinkTargetByClass(array(ilAssignmentPresentationGUI::class, "ilExSubmissionGUI", "ilExSubmissionTextGUI"), "editAssignmentText")
            )->primary();
        } else {
            $link = $gui->link(
                $lng->txt("exc_text_assignment_show"),
                $ilCtrl->getLinkTargetByClass(array(ilAssignmentPresentationGUI::class, "ilExSubmissionGUI", "ilExSubmissionTextGUI"), "showAssignmentText")
            )->emphasised();
        }
        $files_str = $link->render();

        $a_info->addProperty($lng->txt("exc_files_returned_text"), $files_str);
    }


    //
    // TEXT ASSIGNMENT (EDIT)
    //

    protected function initAssignmentTextForm(
        bool $a_read_only = false
    ): ilPropertyFormGUI {
        $ilCtrl = $this->ctrl;
        $lng = $this->lng;

        $form = new ilPropertyFormGUI();
        $form->setTitle($this->lng->txt("exc_assignment") . " \"" . $this->assignment->getTitle() . "\"");

        if (!$a_read_only) {
            $text = new ilTextAreaInputGUI($this->lng->txt("exc_your_text"), "atxt");
            $text->setRequired(
                $this->mandatory_manager->isMandatoryForUser($this->submission->getAssignment()->getId(), $this->user->getId())
            );
            $text->setRows(15);
            $text->setMaxNumOfChars($this->assignment->getMaxCharLimit());
            $text->setMinNumOfChars($this->assignment->getMinCharLimit());

            if ($text->isCharLimited()) {
                $char_msg = "";
                if ($this->assignment->getMinCharLimit() !== 0) {
                    $char_msg .= $lng->txt("exc_min_char_limit") . ": " . $this->assignment->getMinCharLimit();
                }
                if ($this->assignment->getMaxCharLimit() !== 0) {
                    $char_msg .= " " . $lng->txt("exc_max_char_limit") . ": " . $this->assignment->getMaxCharLimit();
                }
                $text->setInfo($char_msg);
            }

            $form->addItem($text);

            if (ilObjAdvancedEditing::_getRichTextEditor() === "tinymce") {
                $text->setUseRte(true);
                $text->setRteTagSet("mini");
            }

            $form->setFormAction($ilCtrl->getFormAction($this, "updateAssignmentText"));
            $form->addCommandButton("updateAssignmentTextAndReturn", $this->lng->txt("save_return"));
            $form->addCommandButton("updateAssignmentText", $this->lng->txt("save"));
            $form->addCommandButton("returnToParent", $this->lng->txt("cancel"));
        } else {
            $form->setFormAction($ilCtrl->getFormAction($this, "returnToParent"));
            $text = new ilNonEditableValueGUI($this->lng->txt("exc_files_returned_text"), "atxt", true);
            $form->addItem($text);
        }

        return $form;
    }

    public function editAssignmentTextObject(
        ?ilPropertyFormGUI $a_form = null
    ): void {
        $ilCtrl = $this->ctrl;

        if (!$this->submission->canSubmit()) {
            $this->tpl->setOnScreenMessage('failure', $this->lng->txt("exercise_time_over"), true);
            $ilCtrl->redirect($this, "returnToParent");
        }

        $this->triggerAssignmentTool();

        $this->handleTabs();

        $ilHelp = $this->help;
        $ilHelp->setScreenIdComponent("exc");
        $ilHelp->setScreenId("text_submission");

        if ($a_form === null) {
            $a_form = $this->initAssignmentTextForm();

            $sub = $this->sub_manager->getSubmissionsOfUser($this->submission->getUserId())->current();
            if ($sub) {
                if (trim($sub->getText()) !== '' && trim($sub->getText()) !== '0') {
                    $text = $a_form->getItemByPostVar("atxt");
                    // mob id to mob src
                    $text->setValue(ilRTE::_replaceMediaObjectImageSrc($sub->getText(), 1));
                }
            }
        }

        $this->tpl->setContent($a_form->getHTML());
    }

    public function updateAssignmentTextAndReturnObject(): void
    {
        $this->updateAssignmentTextObject(true);
    }

    public function updateAssignmentTextObject(
        bool $a_return = false
    ): void {
        $ilCtrl = $this->ctrl;

        if (!$this->submission->canSubmit()) {
            $this->tpl->setOnScreenMessage('failure', $this->lng->txt("exercise_time_over"), true);
            $ilCtrl->redirect($this, "returnToParent");
        }

        $form = $this->initAssignmentTextForm();

        // we are not using a purifier, so we have to set the valid RTE tags
        // :TODO:
        $rte = $form->getItemByPostVar("atxt");
        $rte->setRteTags(ilObjAdvancedEditing::_getUsedHTMLTags("exc_ass"));

        if ($form->checkInput()) {
            $text = trim($form->getInput("atxt"));

            $returned_id = $this->submission->updateTextSubmission(
                // mob src to mob id
                ilRTE::_replaceMediaObjectImageSrc($text, 0)
            );

            // no empty text
            if ($returned_id) {
                // #16532 - always send notifications
                $this->handleNewUpload();

                // mob usage
                $mobs = ilRTE::_getMediaObjects($text, 0);
                foreach ($mobs as $mob) {
                    if (ilObjMediaObject::_exists($mob)) {
                        ilObjMediaObject::_removeUsage($mob, 'exca~:html', $this->submission->getUserId());
                        ilObjMediaObject::_saveUsage($mob, 'exca:html', $returned_id);
                    }
                }
            } else {
                $this->handleRemovedUpload();
            }

            $this->tpl->setOnScreenMessage('success', $this->lng->txt("exc_text_saved"), true);
            if ($a_return) {
                $ilCtrl->redirect($this, "returnToParent");
            } else {
                $ilCtrl->redirect($this, "editAssignmentText");
            }
        }

        $form->setValuesByPost();
        $this->editAssignmentTextObject($form);
    }

    public function showAssignmentTextObject(): void
    {
        if (!$this->submission->isTutor()) {
            $this->handleTabs();
        }

        $a_form = $this->initAssignmentTextForm(true);

        $sub = $this->sub_manager->getSubmissionsOfUser($this->submission->getUserId())->current();
        if ($sub) {
            if (trim($sub->getText()) !== '' && trim($sub->getText()) !== '0') {
                if ($sub->getLate() &&
                    !$this->submission->hasPeerReviewAccess()) {
                    $this->tpl->setOnScreenMessage('failure', $this->lng->txt("exc_late_submission"));
                }

                $text = $a_form->getItemByPostVar("atxt");
                // mob id to mob src
                $text->setValue(nl2br(ilRTE::_replaceMediaObjectImageSrc($sub->getText(), 1)));
            }
        }
        $this->tpl->setContent($a_form->getHTML());
    }
}