class.ilExSubmissionTextGUI.php

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<?php
/* Copyright (c) 1998-2010 ILIAS open source, Extended GPL, see docs/LICENSE */

class ilExSubmissionTextGUI extends ilExSubmissionBaseGUI
{                       
        public function executeCommand()
        {
                global $ilCtrl;
                
                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 $lng, $ilCtrl;
                
                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)
        {               
                global $ilCtrl;
                
                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);
                        $form->addItem($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',
                                // 'formatselect' #13234
                        ));
                        
                        $form->setFormAction($ilCtrl->getFormAction($this, "updateAssignmentText"));
                        $form->addCommandButton("updateAssignmentTextAndReturn", $this->lng->txt("save_return"));               
                        $form->addCommandButton("updateAssignmentText", $this->lng->txt("save"));                                                       
                }
                else
                {
                        $form->setFormAction($ilCtrl->getFormAction($this, "returnToParent"));
                        $text = new ilNonEditableValueGUI($this->lng->txt("exc_files_returned_text"), "atxt", true);    
                        $form->addItem($text);                                  
                }
                $form->addCommandButton("returnToParent", $this->lng->txt("cancel"));
                
                return $form;
        }
        
        function editAssignmentTextObject(ilPropertyFormGUI $a_form = null)
        {
                global $ilCtrl;

                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)
                {                                                                       
                        // extended deadline date should not be presented anywhere
                        // see ilExAssignmentGUI::addSchedule()
                        $dl_info = ilDatePresentation::formatDate(new ilDateTime($this->assignment->getDeadline(), IL_CAL_UNIX));
                                        
                        // #16151 - extended deadline warning (only after deadline passed)
                        if($this->assignment->getDeadline() < time())
                        {                                                       
                                $dl = ilDatePresentation::formatDate(new ilDateTime($this->assignment->getDeadline(),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();

                global $ilHelp;
                $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());
        }
        
        function updateAssignmentTextAndReturnObject()
        {
                $this->updateAssignmentTextObject(true);                
        }
        
        function updateAssignmentTextObject($a_return = false)
        {
                global $ilCtrl;
                
                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($this->lng->txt("settings_saved"), true);
                        if($a_return)
                        {
                                $ilCtrl->redirect($this, "returnToParent");
                        }
                        else
                        {
                                $ilCtrl->redirect($this, "editAssignmentText");
                        }
                }
                
                $form->setValuesByPost();
                $this->editAssignmentTextObject($form);         
        }
        
        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());     
        }
}