snap2/tk2/previews/TKSnapPreview.php5

<?php

abstract class TKSnapPreview extends TKNullBox {
    protected $version;
    protected $mode;

    const MODE_DEFAULT = 0;
    const MODE_BASIC = 1;

    public function __construct($version, $mode = self::MODE_DEFAULT) {
        parent::__construct();

        $this->version = $version;
        $this->mode = $mode;

        $this->showInfoInt();
        $this->previewVersion();
    }

    private function showInfoInt() {
        if($this->mode != self::MODE_DEFAULT)
            return;

        $version = $this->version;

        $obj = $this->showAdditionalInfo();
        if($obj != null) {
            $this->addText("<br /><h3>Additional Info</h3>");
            $this->add($obj);
            $this->addText("<br /><br />\n");
        }
    }

    private function previewVersion() {
        $version = $this->version;

        $contentType = $version->getResource()->getContentType();
        if($contentType == SnapResource::TYPE_HTML || $contentType == SnapResource::TYPE_STDXML
            || $contentType == SnapResource::TYPE_INTERACTIVATE_LESSON
            || $contentType == SnapResource::TYPE_INTERACTIVATE_INSTRUCTOR
            || $contentType == SnapResource::TYPE_LESSONPLAN)
        {
            $ss = $version->getResource()->getStylesheets();
            if(count($ss) > 0) {
                foreach($ss as $s) {
                    if(!$s->getActiveVersion())
                        $GLOBALS['prm']->flash('NOTICE: No active version for stylesheet \'' . $s->getCanonicalPath() . '\'');
                    else
                        $GLOBALS['prm']->includeCSS($s->getActiveVersion()->getContentModule()->getLinkURL(), null);
                }
            }
        }

        $type = $version->getResource()->getContentType();
        $translators = $this->getTranslators();
        $ids = array();

        $i = 0;
        $myId = $this->getId();
        foreach($translators as $name => $t) {
            $ids[$name] = "{$myId}_preview_$i";
            $i++;
        }

        // create the translator selector
        $transSelect = new TKSelect('trans');
        $i = 0;
        foreach($translators as $name => $t) {
            $transSelect->addOption("$ids[$name]", "$name ($t)");
            $evt = "onselect$i";
            $evt2 = "ondeselect$i";
            $transSelect->setAction($evt, "document.getElementById('$ids[$name]').style.display='block'");
            $transSelect->setAction($evt2, "document.getElementById('$ids[$name]').style.display='none'");
            $i++;
            if($this->mode == self::MODE_BASIC)
                break;
        }

        if($this->mode == self::MODE_DEFAULT) {
            $transSelect->addOption('raw', 'Formatted Source');
            $transSelect->addOption('raw2', 'Raw Source');
            $evt = "onselect$i";
            $evt2 = "ondeselect$i";
            $transSelect->setAction($evt, "document.getElementById('{$myId}_rawDisplay').style.display='block'");
            $transSelect->setAction($evt2, "document.getElementById('{$myId}_rawDisplay').style.display='none'");
            $i++;
            $evt = "onselect$i";
            $evt2 = "ondeselect$i";
            $transSelect->setAction($evt, "document.getElementById('{$myId}_rawDisplay2').style.display='block'");
            $transSelect->setAction($evt2, "document.getElementById('{$myId}_rawDisplay2').style.display='none'");

            $curStatus = isset($_REQUEST['curStatus']) ? $_REQUEST['curStatus'] : 'none';
            $basePath = preg_replace("/curStatus=[a-zA-Z]*&whichSite=(viewDev|viewProd)/", "", $_SERVER['REQUEST_URI']);
            if(strpos($basePath, "?") === false)
                $basePath .= "?";
            else if(substr($basePath, -1) != '?')
                $basePath .= "&";
            $whichSite = new TKSelect('whichSite');
            $whichSite->addOption('viewDev', 'Dev');
            $whichSite->addOption('viewProd', 'Live');
            switch($this->version->getStatus()) {
                case SnapVersion::STATUS_PRIVATE:
                    $newStatus = 'private';
                    $defaultView = 'viewDev';
                    break;
                case SnapVersion::STATUS_PENDING:
                    $newStatus = 'pending';
                    $defaultView = 'viewDev';
                    break;
                case SnapVersion::STATUS_DEV:
                    $newStatus = 'dev';
                    $defaultView = 'viewDev';
                    break;
                case SnapVersion::STATUS_DEFUNCT:
                    $newStatus = 'defunct';
                    $defaultView = 'viewDev';
                    break;
                case SnapVersion::STATUS_LIVE:
                    $newStatus = 'live';
                    $defaultView = 'viewProd';
                    break;
            }
            if($curStatus != $newStatus)
                $_REQUEST['whichSite'] = $defaultView;
            $whichSite->selected = (isset($_REQUEST['whichSite']) ? $_REQUEST['whichSite'] : $defaultView);
            $whichSite->setAction('onselect0', new TKLinkAction("${basePath}curStatus=$newStatus&whichSite=viewDev"));
            $whichSite->setAction('onselect1', new TKLinkAction("${basePath}curStatus=$newStatus&whichSite=viewProd"));

            switch($whichSite->selected[0]) {
                case 'viewDev':
                    $serverClass = 'dev';
                    break;
                case 'viewProd':
                default:
                    $serverClass = 'prod';
                    break;
            }

            $this->addText("<h3>Content Preview</h3><br />Use translator: ");
            $this->add($transSelect);
            $this->addText("<br />View ");
            $this->add($whichSite);
            $this->addText(" versions of media (images, applets, etc.)");

            $collect = "<br /><br /><h4>Preview</h4>\n";
        }
        else
            $collect = '';

        // now translate for each translator
        $first = true;
        $temp_prm = new PageRender2();
        if($this->mode == self::MODE_DEFAULT) {
            $oldServerClass = SConfig::getOption('common.serverClass');
            SConfig::setDefault('common.serverClass', $serverClass);
        }
        $oldMode = SObject::setXmlErrorMode(SObject::XML_ERROR_MODE_REDIRECT);
        foreach($translators as $name => $t) {
            if(!$first)
                $disp = " style=\"display:none\"";
            else {
                $disp = "";
                $first = false;
            }
            $collect .= "<div id=\"$ids[$name]\" class=\"previewFrame\"$disp>\n";
            $transClass = $temp_prm->getClassInstance($t);
            $if = $transClass->getInFormat();
            $pms = array('inFormat' => $if, "translator_$if" => $t, 'trans_target' => 'HiddenTempSlot',
                            'trans_mode' => 'setSlot');
            $pms = array_merge($pms, $this->getParameters($name));
            $temp_prm->load($version, $pms);
            $collect .= $temp_prm->getPage()->getSlot('HiddenTempSlot');
            $collect .= "</div>\n";
            if($this->mode == self::MODE_BASIC)
                break;
        }
        SObject::setXmlErrorMode($oldMode);
        if($this->mode == self::MODE_DEFAULT) {
            SConfig::setDefault('common.serverClass', $oldServerClass);

            if(count($translators) == 0)
                $noFormDisplay = '';
            else
                $noFormDisplay = ' style="display:none"';

            $collect .= "<div id=\"{$myId}_rawDisplay\" class=\"previewFrame\"$noFormDisplay>\n";
            $collect .= $this->getFormattedSource();
            $collect .= "</div>\n";
            $collect .= "<div id=\"{$myId}_rawDisplay2\" class=\"previewFrame\" style=\"display:none\"><tt><pre>"
                            . htmlspecialchars($version->getContent()) . "</pre></tt></div>\n";
        }

        $this->addText($collect);
    }

    protected abstract function getTranslators();

    protected abstract function getFormattedSource();

    protected function showAdditionalInfo() {
        return null;
    }

    protected function getParameters($name) {
        return array();
    }
}

?>

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