Prado\Web\UI\WebControls\TImageMap::render PHP Method

    public function render($writer)
    {
        parent::render($writer);
        $hotspots = $this->getHotSpots();
        if ($hotspots->getCount() > 0) {
            $clientID = $this->getClientID();
            $cs = $this->getPage()->getClientScript();
            $writer->writeLine();
            $writer->addAttribute('name', self::MAP_NAME_PREFIX . $clientID);
            $writer->renderBeginTag('map');
            $writer->writeLine();
            if (($mode = $this->getHotSpotMode()) === THotSpotMode::NotSet) {
                $mode = THotSpotMode::Navigate;
            }
            $target = $this->getTarget();
            $i = 0;
            $options['EventTarget'] = $this->getUniqueID();
            $options['StopEvent'] = true;
            $cs = $this->getPage()->getClientScript();
            foreach ($hotspots as $hotspot) {
                if ($hotspot->getHotSpotMode() === THotSpotMode::NotSet) {
                    $hotspot->setHotSpotMode($mode);
                }
                if ($target !== '' && $hotspot->getTarget() === '') {
                    $hotspot->setTarget($target);
                }
                if ($hotspot->getHotSpotMode() === THotSpotMode::PostBack) {
                    $id = $clientID . '_' . $i;
                    $writer->addAttribute('id', $id);
                    $writer->addAttribute('href', '#' . $id);
                    //create unique no-op url references
                    $options['ID'] = $id;
                    $options['EventParameter'] = "{$i}";
                    $options['CausesValidation'] = $hotspot->getCausesValidation();
                    $options['ValidationGroup'] = $hotspot->getValidationGroup();
                    $cs->registerPostBackControl($this->getClientClassName(), $options);
                }
                $hotspot->render($writer);
                $writer->writeLine();
                $i++;
            }
            $writer->renderEndTag();
        }
    }