class.SurveyConstraintsTableGUI.php

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

include_once("./Services/Table/classes/class.ilTable2GUI.php");

class SurveyConstraintsTableGUI extends ilTable2GUI
{
        protected $read_only; // [bool]
        protected $structure; // [array]
        
        function __construct($a_parent_obj, $a_parent_cmd = "", ilObjSurvey $a_survey, $a_read_only)
        {
                global $ilCtrl, $lng;
                
                $this->read_only = (bool)$a_read_only;
                
                parent::__construct($a_parent_obj, $a_parent_cmd);
                
                $this->setLimit(9999);
                $this->disable("numinfo");
                
                $this->setDescription($lng->txt("constraints_introduction"));
                
                if(!$this->read_only)
                {
                        $this->addColumn("", "", 1);
                }
                
                $this->addColumn("", "", 1);
                $this->addColumn($lng->txt("constraints_list_of_entities"), "");
                $this->addColumn($lng->txt("existing_constraints"), "");
                
                $this->setFormAction($ilCtrl->getFormAction($a_parent_obj));
                $this->setRowTemplate("tpl.svy_constraints_row.html", "Modules/Survey");
                
                if(!$this->read_only)
                {
                        $this->addMultiCommand("createConstraints", $lng->txt("constraint_add"));                       
                        $this->setSelectAllCheckbox("includeElements");
                }
                                                
                $this->initItems($a_survey);
        }
        
        protected function initItems(ilObjSurvey $a_survey)
        {
                global $lng;
                
                $this->structure = array();             
                $tbl_data = array();
                
                $survey_questions = $a_survey->getSurveyQuestions();
                
                $last_questionblock_id = 0;
                $counter = 1;           
                foreach ($survey_questions as $data)
                {
                        $title = $data["title"];
                        $show = true;
                        if ($data["questionblock_id"] > 0)
                        {
                                $title = $data["questionblock_title"];
                                $type = $lng->txt("questionblock");
                                if ($data["questionblock_id"] != $last_questionblock_id) 
                                {
                                        $last_questionblock_id = $data["questionblock_id"];
                                        $this->structure[$counter] = array();
                                        array_push($this->structure[$counter], $data["question_id"]);
                                }
                                else
                                {
                                        array_push($this->structure[$counter-1], $data["question_id"]);
                                        $show = false;
                                }
                        }
                        else
                        {
                                $this->structure[$counter] = array($data["question_id"]);
                                $type = $lng->txt("question");
                        }
                        if ($show)
                        {
                                $id = $content = $parsed = $conjunction = null;
                                
                                if ($counter == 1)
                                {
                                        $content = $lng->txt("constraints_first_question_description");                                 
                                }
                                else
                                {
                                        $constraints = $a_survey->getConstraints($data["question_id"]);
                                        if (count($constraints))
                                        {
                                                $parsed = array();
                                                                                                
                                                foreach ($constraints as $constraint)
                                                {                                                       
                                                        $parsed[] = array(                                                              
                                                                "id" => $constraint["id"],
                                                                "title" => $survey_questions[$constraint["question"]]["title"] . " " . 
                                                                        $constraint["short"] . " " . 
                                                                        $constraint["valueoutput"]                                                              
                                                        );
                                                }
                                                
                                                if (count($constraints) > 1)
                                                {
                                                        $conjunction = ($constraints[0]['conjunction']) 
                                                                ? $lng->txt('conjunction_or_title') 
                                                                : $lng->txt('conjunction_and_title');
                                                }
                                        }
                                }
                                if ($counter != 1)
                                {
                                        $id = $counter;
                                }
                                
                                $icontype = "question.png";
                                if ($data["questionblock_id"] > 0)
                                {
                                        $icontype = "questionblock.png";
                                }
                                
                                $tbl_data[] = array(
                                        "counter" => $counter,
                                        "id" => $id,
                                        "title" => $title,
                                        "type" => $type,
                                        "icon" => ilUtil::getImagePath($icontype, "Modules/Survey"),
                                        "content" => $content,
                                        "constraints" => $parsed,
                                        "conjunction" => $conjunction
                                );
                                
                                $counter++;
                        }
                }
                
                $this->setData($tbl_data);
        }
        
        public function getStructure()
        {
                return $this->structure;
        }
        
        protected function fillRow($a_set)
        {
                global $ilCtrl, $lng;
                
                // $ilCtrl->setParameterByClass("ilObjSurveyAdministrationGUI", "item_id", $a_set["usr_id"]);
                
                if(!$this->read_only)
                {
                        if($a_set["id"])
                        {
                                $this->tpl->setVariable("ID", $a_set["id"]);
                        }
                        else
                        {
                                $this->tpl->touchBlock("checkbox");
                        }
                }
                                        
                $this->tpl->setVariable("COUNTER", $a_set["counter"]);
                $this->tpl->setVariable("TITLE", $a_set["title"]);
                $this->tpl->setVariable("TYPE", $a_set["type"]);
                $this->tpl->setVariable("ICON_HREF", $a_set["icon"]);
                $this->tpl->setVariable("ICON_ALT", $a_set["type"]);
                $this->tpl->setVariable("CONTENT", $a_set["content"]);
                
                if(is_array($a_set["constraints"]))
                {                                       
                        foreach($a_set["constraints"] as $constraint)
                        {                                                                               
                                if(!$this->read_only)
                                {                                                                                               
                                        $ilCtrl->setParameter($this->getParentObject(), "precondition", $constraint["id"]);
                                        $ilCtrl->setParameter($this->getParentObject(), "start", $a_set["counter"]);
                                        $url = $ilCtrl->getLinkTarget($this->getParentObject(), "editPrecondition");
                                        $ilCtrl->setParameter($this->getParentObject(), "precondition", "");
                                        $ilCtrl->setParameter($this->getParentObject(), "start", "");                                           
                                        $this->tpl->setVariable("TEXT_EDIT_PRECONDITION", $lng->txt("edit"));           
                                        $this->tpl->setVariable("EDIT_PRECONDITION", $url);
                                                                                
                                        $ilCtrl->setParameter($this->getParentObject(), "precondition", $constraint["id"]);                                     
                                        $url = $ilCtrl->getLinkTarget($this->getParentObject(), "confirmDeleteConstraints");
                                        $ilCtrl->setParameter($this->getParentObject(), "precondition", "");                                            
                                        $this->tpl->setVariable("TEXT_DELETE_PRECONDITION", $lng->txt("delete"));               
                                        $this->tpl->setVariable("DELETE_PRECONDITION", $url);                                   
                                }
                                
                                $this->tpl->setCurrentBlock("constraint");                              
                                $this->tpl->setVariable("CONSTRAINT_TEXT", $constraint["title"]);                               
                                $this->tpl->parseCurrentBlock();                        
                        }
                        
                        if($a_set["conjunction"])
                        {
                                $this->tpl->setCurrentBlock("conjunction");
                                $this->tpl->setVariable("TEXT_CONJUNCTION", $a_set["conjunction"]);
                                $this->tpl->parseCurrentBlock();
                        }
                }
        }

}
?>