class.ilExcCriteriaRating.php

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<?php

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

include_once "Modules/Exercise/classes/class.ilExcCriteria.php";

class ilExcCriteriaRating extends ilExcCriteria
{
        public function getType()
        {
                return "rating";
        }
        
        
        // PEER REVIEW
        
        public function addToPeerReviewForm($a_value = null)
        {
                global $tpl, $ilCtrl;
                        
                $tpl->addJavaScript("Modules/Exercise/js/ilExcPeerReview.js");
                $tpl->addOnLoadCode("il.ExcPeerReview.setAjax('".
                        $ilCtrl->getLinkTargetByClass("ilExPeerReviewGUI", "updateCritAjax", "", true, false).
                        "')");
                
                $field_id = "prccc_rating_".$this->getId();
                
                $input = new ilCustomInputGUI($this->getTitle(), $field_id);
                $input->setInfo($this->getDescription());
                $input->setRequired($this->isRequired());               
                $input->setHtml($this->renderWidget());
                $this->form->addItem($input);   
                
                // #16993 - making form checkInput() work
                if(is_array($_POST) && 
                        array_key_exists("cmd", $_POST))
                {
                        $_POST[$field_id] = $this->hasValue($a_value);
                }
                
                $this->form_item = $input;
        }
        
        protected function getRatingSubType()
        {
                return $this->getId()
                        ? "peer_".(int)$this->getId()
                        : "peer"; // no catalogue / v1
        }
        
        protected function renderWidget($a_read_only = false)
        {
                include_once './Services/Rating/classes/class.ilRatingGUI.php';
                $rating = new ilRatingGUI();
                $rating->setObject(
                        $this->ass->getId(), 
                        "ass", 
                        $this->peer_id, 
                        $this->getRatingSubType()
                );
                $rating->setUserId($this->giver_id);
                
                $ajax_id = $this->getId()
                        ? (int)$this->getId()
                        : "'rating'";
                
                if(!(bool)$a_read_only)
                {
                        $html = '<div class="crit_widget">'.
                                $rating->getHTML(false, true, "il.ExcPeerReview.saveCrit(this, ".$this->peer_id.", ".$ajax_id.", %rating%)").                           
                        '</div>';
                }
                else
                {
                        $html = $rating->getHTML(false, false);         
                }
                
                return $html;
        }
        
        public function importFromPeerReviewForm()
        {
                // see updateFromAjax()
        }
        
        public function updateFromAjax()
        {                                               
                // save rating
                include_once './Services/Rating/classes/class.ilRating.php';
                ilRating::writeRatingForUserAndObject(
                        $this->ass->getId(), 
                        "ass", 
                        $this->peer_id, 
                        $this->getRatingSubType(),
                        $this->giver_id, 
                        $_POST["value"]
                );
                                
                // render current rating                
                // $ilCtrl->setParameter($this->parent_obj, "peer_id", $peer_id);                               
                return $this->renderWidget($a_ass, $a_giver_id, $a_peer_id);                                    
        }
        
        public function validate($a_value)
        {
                global $lng;
                
                if($this->isRequired())
                {                       
                        if(!$this->hasValue($a_value))
                        {
                                if($this->form)
                                {
                                        $this->form->getItemByPostVar("prccc_rating_".$this->getId())->setAlert($lng->txt("msg_input_is_required"));
                                }
                                return false;
                        }
                }
                return true;
        }
        
        public function hasValue($a_value)
        {
                include_once './Services/Rating/classes/class.ilRating.php';
                return (bool)ilRating::getRatingForUserAndObject(
                        $this->ass->getId(), 
                        "ass", 
                        $this->peer_id, 
                        $this->getRatingSubType(),
                        $this->giver_id
                );                                      
        }               
        
        public function getHTML($a_value)
        {                               
                return $this->renderWidget($this->ass, $this->giver_id, $this->peer_id, true);  
        }
                
        public function resetReview()
        {
                include_once './Services/Rating/classes/class.ilRating.php';
                ilRating::resetRatingForUserAndObject(
                        $this->ass->getId(), 
                        "ass", 
                        $this->peer_id, 
                        $this->getRatingSubType(),
                        $this->giver_id
                );
        }
                
}