class.ilPollAnswerTableGUI.php

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<?php
/* Copyright (c) 1998-2009 ILIAS open source, Extended GPL, see docs/LICENSE */
 
include_once("./Services/Table/classes/class.ilTable2GUI.php");
 
class ilPollAnswerTableGUI extends ilTable2GUI
{
        function __construct($a_parent_obj, $a_parent_cmd)
        {
                global $ilCtrl, $lng;
                
                $this->setId("ilobjpollaw");
                
                parent::__construct($a_parent_obj, $a_parent_cmd);
 
                $this->addColumn($lng->txt("poll_sortorder"), "pos");
                $this->addColumn($lng->txt("poll_answer"), "answer");
                $this->addColumn($lng->txt("poll_absolute"), "votes");
                $this->addColumn($lng->txt("poll_percentage"), "percentage");
                
                $total = $this->getItems();             
                
                $this->setTitle($this->lng->txt("poll_question").": \"".
                        $a_parent_obj->object->getQuestion()."\"");
                $this->setDescription(sprintf($lng->txt("poll_population"), $total));
 
                if($total)
                {
                        $this->addCommandButton("confirmDeleteAllVotes", $lng->txt("poll_delete_votes"));
                }
                
                $this->setFormAction($ilCtrl->getFormAction($a_parent_obj, $a_parent_cmd));
                $this->setRowTemplate("tpl.answer_row.html", "Modules/Poll");           
                $this->setDefaultOrderField("pos");
                $this->setDefaultOrderDirection("asc");         
                                
                $this->setExportFormats(array(self::EXPORT_CSV, self::EXPORT_EXCEL));
        }
        
        public function numericOrdering($a_field) 
        {
                if($a_field != "answer")
                {
                        return true;
                }
                return false;
        }
 
        function getItems()
        {
                $data = $this->parent_obj->object->getAnswers();
                $perc = $this->parent_obj->object->getVotePercentages();
                $total = $perc["total"];
                $perc = $perc["perc"];
                
                // add current percentages
                foreach($data as $idx => $item)
                {
                        if(!isset($perc[$item["id"]]))
                        {
                                $data[$idx]["percentage"] = 0;
                                $data[$idx]["votes"] = 0;
                        }
                        else
                        {
                                $data[$idx]["percentage"] = round($perc[$item["id"]]["perc"]);
                                $data[$idx]["votes"] = $perc[$item["id"]]["abs"];
                        }
                }
 
                $this->setData($data);          
                
                return $total;
        }
        
        protected function fillRow($a_set)
        {               
                $this->tpl->setVariable("VALUE_POS", $a_set["pos"]/10);
                $this->tpl->setVariable("TXT_ANSWER", nl2br($a_set["answer"]));         
                $this->tpl->setVariable("VALUE_VOTES", $a_set["votes"]);
                $this->tpl->setVariable("VALUE_PERCENTAGE", $a_set["percentage"]);
        }
        
        protected function fillRowCSV($a_csv, $a_set)
        {
                $a_csv->addColumn($a_set["pos"]/10);
                $a_csv->addColumn($a_set["answer"]);
                $a_csv->addColumn($a_set["votes"]);
                $a_csv->addColumn($a_set["percentage"]);
                $a_csv->addRow();
        }
        
        protected function fillRowExcel($a_worksheet, &$a_row, $a_set)
        {
                $a_worksheet->write($a_row, 0, $a_set["pos"]/10);
                $a_worksheet->write($a_row, 1, $a_set["answer"]);
                $a_worksheet->write($a_row, 2, $a_set["votes"]);
                $a_worksheet->write($a_row, 3, $a_set["percentage"]);           
        }
}
 
?>