class.ilPollBlockGUI.php

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<?php

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

include_once("./Services/Block/classes/class.ilBlockGUI.php");
include_once("./Modules/Poll/classes/class.ilObjPoll.php");

class ilPollBlockGUI extends ilBlockGUI
{
        static $block_type = "poll";
        
        protected $poll_block; // [ilPollBlock]
        
        function __construct()
        {
                global $lng;
                
                parent::__construct();
                        
                $lng->loadLanguageModule("poll");               
                $this->setRowTemplate("tpl.block.html", "Modules/Poll");
        }
                
        static function getBlockType()
        {
                return self::$block_type;
        }

        static function isRepositoryObject()
        {
                return true;
        }
        
        static function getScreenMode()
        {               
                return IL_SCREEN_SIDE;          
        }

        function setBlock($a_block)
        {
                $this->setBlockId($a_block->getId());
                $this->poll_block = $a_block;                           
        }

        function &executeCommand()
        {
                global $ilCtrl;

                $next_class = $ilCtrl->getNextClass();
                $cmd = $ilCtrl->getCmd("getHTML");

                switch ($next_class)
                {
                        default:
                                return $this->$cmd();
                }
        }
        
        function fillRow($a_poll)
        {               
                global $ilCtrl, $lng, $ilUser;
                
                
                // handle messages
                
                $mess = $this->poll_block->getMessage($ilUser->getId());
                if($mess)
                {
                        $this->tpl->setVariable("TXT_QUESTION", $mess);
                        return;
                }               
                
                
                // nested form problem
                if(!$_SESSION["il_cont_admin_panel"])
                {
                        // vote

                        if($this->poll_block->mayVote($ilUser->getId()))
                        {               
                                $this->tpl->setCurrentBlock("answer");
                                foreach($a_poll->getAnswers() as $item)
                                {                       
                                        $this->tpl->setVariable("VALUE_ANSWER", $item["id"]);
                                        $this->tpl->setVariable("TXT_ANSWER_VOTE", nl2br($item["answer"]));
                                        $this->tpl->parseCurrentBlock();
                                }               

                                $ilCtrl->setParameterByClass("ilobjpollgui",
                                                "ref_id", $this->getRefId());           
                                $url = $ilCtrl->getLinkTargetByClass(array("ilrepositorygui", "ilobjpollgui"),
                                                        "vote");
                                $ilCtrl->clearParametersByClass("ilobjpollgui");
                                
                                $url .= "#poll".$a_poll->getID();

                                $this->tpl->setVariable("URL_FORM", $url);
                                $this->tpl->setVariable("CMD_FORM", "vote");
                                $this->tpl->setVariable("TXT_SUBMIT", $lng->txt("poll_vote"));          
                                                                
                                if($this->poll_block->getPoll()->getVotingPeriod())
                                {
                                        $this->tpl->setVariable("TXT_VOTING_PERIOD",
                                                sprintf($lng->txt("poll_voting_period_info"),
                                                        ilDatePresentation::formatDate(new ilDateTime($this->poll_block->getPoll()->getVotingPeriodEnd(), IL_CAL_UNIX))));
                                }
                        }


                        // result               
                        if($this->poll_block->maySeeResults($ilUser->getId()))
                        {       
                                if(!$this->poll_block->mayNotResultsYet($ilUser->getId()))
                                {                               
                                        $perc = $this->poll_block->getPoll()->getVotePercentages();
                                        $total = $perc["total"];
                                        $perc = $perc["perc"];

                                        $this->tpl->setVariable("TOTAL_ANSWERS", sprintf($lng->txt("poll_population"), $total));

                                        $this->tpl->setCurrentBlock("answer_result");
                                        foreach($a_poll->getAnswers() as $item)
                                        {                       
                                                $this->tpl->setVariable("TXT_ANSWER_RESULT", nl2br($item["answer"]));
                                                $this->tpl->setVariable("PERC_ANSWER_RESULT", round($perc[$item["id"]]["perc"]));
                                                $this->tpl->parseCurrentBlock();
                                        }               
                                }
                                else 
                                {                                                       
                                        $rel =  ilDatePresentation::useRelativeDates();
                                        ilDatePresentation::setUseRelativeDates(false);
                                        $end = $this->poll_block->getPoll()->getVotingPeriodEnd();
                                        $end = ilDatePresentation::formatDate(new ilDateTime($end, IL_CAL_UNIX));
                                        ilDatePresentation::setUseRelativeDates($rel);
                                        
                                        // #14607
                                        $info = "";
                                        if($this->poll_block->getPoll()->hasUserVoted($ilUser->getId()))
                                        {
                                                $info .= $lng->txt("poll_block_message_already_voted")." ";
                                        }
                                        
                                        $this->tpl->setVariable("TOTAL_ANSWERS", $info.
                                                sprintf($lng->txt("poll_block_results_available_on"), $end));                                   
                                }
                        }
                        else if($this->poll_block->getPoll()->hasUserVoted($ilUser->getId()))
                        {
                                $this->tpl->setVariable("TOTAL_ANSWERS", $lng->txt("poll_block_message_already_voted"));
                        }
                }
                
                                
                $this->tpl->setVariable("ANCHOR_ID", $a_poll->getID());
                $this->tpl->setVariable("TXT_QUESTION", nl2br(trim($a_poll->getQuestion())));
                
                $desc = trim($a_poll->getDescription());
                if($desc)
                {
                        $this->tpl->setVariable("TXT_DESC", nl2br($desc));
                }

                $img = $a_poll->getImageFullPath();
                if($img)
                {
                        $this->tpl->setVariable("URL_IMAGE", $img);
                }
        }

        function getHTML()
        {
                global $ilCtrl, $lng, $ilAccess, $ilUser, $tree, $objDefinition;
                
                $this->poll_block->setRefId($this->getRefId());         
                $this->may_write = $ilAccess->checkAccess("write", "", $this->getRefId());
                $this->has_content = $this->poll_block->hasAnyContent($ilUser->getId(), $this->getRefId());
                
                if(!$this->may_write && !$this->has_content)
                {
                        return "";
                }
                
                $poll_obj = $this->poll_block->getPoll();
                $this->setTitle($poll_obj->getTitle());
                $this->setData(array($poll_obj));       
        
                if ($this->may_write)
                {
                        // edit
                        $ilCtrl->setParameterByClass("ilobjpollgui",
                                "ref_id", $this->getRefId());           
                        $this->addBlockCommand(
                                $ilCtrl->getLinkTargetByClass(array("ilrepositorygui", "ilobjpollgui"),
                                        "render"),
                                $lng->txt("edit_content"));
                        $this->addBlockCommand(
                                $ilCtrl->getLinkTargetByClass(array("ilrepositorygui", "ilobjpollgui"),
                                        "edit"),
                                $lng->txt("settings"));
                        
                        /* delete (#10993 - see ilBlockGUI)
                        $parent_id = $tree->getParentId($this->getRefId());                     
                        $type = ilObject::_lookupType($parent_id, true);
                        $class = $objDefinition->getClassName($type);
                        if($class)
                        {
                                $class = "ilobj".strtolower($class)."gui";
                                $ilCtrl->setParameterByClass($class, "ref_id", $parent_id);             
                                $ilCtrl->setParameterByClass($class, "item_ref_id", $this->getRefId()); 
                                $this->addBlockCommand(
                                        $ilCtrl->getLinkTargetByClass($class, "delete"),
                                        $lng->txt("delete"));   
                        }                        
                        */
                        
                        $ilCtrl->clearParametersByClass("ilobjpollgui");
                }
                
                return parent::getHTML();
        }
}

?>