class.ilExSubmissionTextGUI.php

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<?php
/* Copyright (c) 1998-2010 ILIAS open source, Extended GPL, see docs/LICENSE */
 
class ilExSubmissionTextGUI extends ilExSubmissionBaseGUI
{
    protected $user;
 
    protected $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"];
    }
 
    public function executeCommand()
    {
        $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)
    {
        global $DIC;
 
        $lng = $DIC->language();
        $ilCtrl = $DIC->ctrl();
        
        if ($a_submission->canSubmit()) {
            $button = ilLinkButton::getInstance();
            $button->setPrimary(true);
            $button->setCaption("exc_text_assignment_edit");
            $button->setUrl($ilCtrl->getLinkTargetByClass(array("ilExSubmissionGUI", "ilExSubmissionTextGUI"), "editAssignmentText"));
            $files_str = $button->render();
        } else {
            $button = ilLinkButton::getInstance();
            $button->setCaption("exc_text_assignment_show");
            $button->setUrl($ilCtrl->getLinkTargetByClass(array("ilExSubmissionGUI", "ilExSubmissionTextGUI"), "showAssignmentText"));
            $files_str = $button->render();
        }
 
        $a_info->addProperty($lng->txt("exc_files_returned_text"), $files_str);
    }
    
    
    //
    // TEXT ASSIGNMENT (EDIT)
    //
    
    protected function initAssignmentTextForm($a_read_only = false)
    {
        $ilCtrl = $this->ctrl;
        $lng = $this->lng;
 
        include_once "Services/Form/classes/class.ilPropertyFormGUI.php";
        $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((bool) $this->submission->getAssignment()->getMandatory());
            $text->setRows(40);
            $text->setMaxNumOfChars($this->assignment->getMaxCharLimit());
            $text->setMinNumOfChars($this->assignment->getMinCharLimit());
 
            if ($text->isCharLimited()) {
                $char_msg = "";
                if ($this->assignment->getMinCharLimit()) {
                    $char_msg .= $lng->txt("exc_min_char_limit") . ": " . $this->assignment->getMinCharLimit();
                }
                if ($this->assignment->getMaxCharLimit()) {
                    $char_msg .= " " . $lng->txt("exc_max_char_limit") . ": " . $this->assignment->getMaxCharLimit();
                }
                $text->setInfo($char_msg);
            }
 
            $form->addItem($text);
            
            // custom rte tags
            $text->setUseRte(true);
            $text->setRTESupport($this->submission->getUserId(), "exca~", "exc_ass");
            
            // see ilObjForumGUI
            $text->disableButtons(array(
                'charmap',
                'undo',
                'redo',
                'justifyleft',
                'justifycenter',
                'justifyright',
                'justifyfull',
                'anchor',
                'fullscreen',
                'cut',
                'copy',
                'paste',
                'pastetext',
                'code',
                // 'formatselect' #13234
            ));
            
            $form->setFormAction($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)
    {
        $ilCtrl = $this->ctrl;
        $ilUser = $this->user;
 
        if (!$this->submission->canSubmit()) {
            ilUtil::sendFailure($this->lng->txt("exercise_time_over"), true);
            $ilCtrl->redirect($this, "returnToParent");
        }
        
        $deadline = max($this->assignment->getDeadline(), $this->assignment->getExtendedDeadline());
        if ($deadline) {
            $deadline = $this->assignment->getPersonalDeadline($ilUser->getId());
            
            // extended deadline date should not be presented anywhere
            // see ilExAssignmentGUI::addSchedule()
            $dl_info = ilDatePresentation::formatDate(new ilDateTime($deadline, IL_CAL_UNIX));
                    
            // #16151 - extended deadline warning (only after deadline passed)
            if ($deadline < time()) {
                $dl = ilDatePresentation::formatDate(new ilDateTime($deadline, IL_CAL_UNIX));
                $dl = '<br /><span class="warning">' . sprintf($this->lng->txt("exc_late_submission_warning"), $dl) . '</span>';
                $dl_info .= $dl;
            }
            
            ilUtil::sendInfo($this->lng->txt("exc_edit_until") . ": " . $dl_info);
        }
        
        $this->handleTabs();
 
        $ilHelp = $this->help;
        $ilHelp->setScreenIdComponent("exc");
        $ilHelp->setScreenId("text_submission");
 
        if (!$a_form) {
            $a_form = $this->initAssignmentTextForm();
 
            $files = $this->submission->getFiles();
            if ($files) {
                $files = array_shift($files);
                if (trim($files["atext"])) {
                    $text = $a_form->getItemByPostVar("atxt");
                    // mob id to mob src
                    $text->setValue(ilRTE::_replaceMediaObjectImageSrc($files["atext"], 1));
                }
            }
        }
    
        $this->tpl->setContent($a_form->getHTML());
    }
    
    public function updateAssignmentTextAndReturnObject()
    {
        $this->updateAssignmentTextObject(true);
    }
    
    public function updateAssignmentTextObject($a_return = false)
    {
        $ilCtrl = $this->ctrl;
        
        if (!$this->submission->canSubmit()) {
            ilUtil::sendFailure($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:
        include_once("./Services/AdvancedEditing/classes/class.ilObjAdvancedEditing.php");
        $rte = $form->getItemByPostVar("atxt");
        $rte->setRteTags(ilObjAdvancedEditing::_getUsedHTMLTags("exc_ass"));
        
        if ($form->checkInput()) {
            $text = trim($form->getInput("atxt"));
                                    
            $existing = $this->submission->getFiles();
                                                
            $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
                include_once "Services/MediaObjects/classes/class.ilObjMediaObject.php";
                $mobs = ilRTE::_getMediaObjects($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();
            }
            
            ilUtil::sendSuccess($this->lng->txt("exc_text_saved"), true);
            if ($a_return) {
                $ilCtrl->redirect($this, "returnToParent");
            } else {
                $ilCtrl->redirect($this, "editAssignmentText");
            }
        }
        
        $form->setValuesByPost();
        $this->editAssignmentTextObject($form);
    }
    
    public function showAssignmentTextObject()
    {
        if (!$this->submission->isTutor()) {
            $this->handleTabs();
        }
        
        $a_form = $this->initAssignmentTextForm(true);
        
        $files = $this->submission->getFiles();
        if ($files) {
            $files = array_shift($files);
            if (trim($files["atext"])) {
                if ($files["late"] &&
                    !$this->submission->hasPeerReviewAccess()) {
                    ilUtil::sendFailure($this->lng->txt("exc_late_submission"));
                }
                
                $text = $a_form->getItemByPostVar("atxt");
                // mob id to mob src
                $text->setValue(nl2br(ilRTE::_replaceMediaObjectImageSrc($files["atext"], 1)));
            }
        }
    
        $this->tpl->setContent($a_form->getHTML());
    }
}