back. --rlpowell, 24 May 2004
$parserlib->replace_preparse($info["data"], $preparsed, $noparsed);
$parserlib->replace_preparse($pdata, $preparsed, $noparsed);

$pdata = formatContent($pdata, $tagsArr);

if (isset($_REQUEST['pdf'])) {
    $access->check_feature("feature_slideshow_pdfexport");
    set_time_limit(777);

    $_POST["html"] = urldecode($_POST["html"]);

    if (isset($_POST["html"])) {
        $generator = new PdfGenerator(PdfGenerator::MPDF);
        if (! empty($generator->getError())) {
            Feedback::error(
                tr(
                    'Exporting slideshow as PDF requires a working installation of mPDF.'
                )
                . "
"
                . tr('Export to PDF error: %0', $generator->getError())
            );
            $access = Tikilib::lib('access');
            $access->redirect(
                str_replace(
                    'tiki-slideshow.php?',
                    'tiki-index.php?',
                    $_SERVER['HTTP_REFERER']
                )
            );
        }

        $params = [
            'orientation' => isset($_REQUEST['landscape']) ? 'L' : 'P',
        ];
        $filename = TikiLib::lib('tiki')
            ->remove_non_word_characters_and_accents($_REQUEST['page']);
        if ($_REQUEST['pdfSettings']) {
            $_POST['html'] = '<' . $_REQUEST['pdfSettings'] . ' />'
                . $_POST['html'];
        }
        //checking if to export slideshow
        if ($_REQUEST['printslides']) {
            $customCSS
                = " ";
            $pdata = $customCSS . '' . $pdata;
        } else {
            //getting css
            $customCSS = file_get_contents(
                'vendor_bundled/vendor/npm-asset/reveal.js/css/reveal.css'
            );
            $customCSS .= file_get_contents(
                'vendor_bundled/vendor/npm-asset/reveal.js/css/theme/' . $theme
                . '.css'
            );
            $customCSS .= '.reveal section{width:90%;text-align:center;padding-top:30px;margin:auto;} section{text-align:center;margin: auto;width:100%;} .ss-heading{line-height:2.5em,padding-bottom:20px;}';
            $pdata = '
' . $pdata . '
';

            $pdata = str_replace(
                "' . str_replace([".reveal {","vertical-align: baseline;"], [".reveal,.reveal table{ ","vertical-align:top;"], $customCSS) . ' div.reveal, .reveal li{font-size:1.3em;font-weight:normal;line-height:1.5;height:auto !important; } img{max-height:400px;}  .reveal h1 {font-size: 2.8em; text-transform:none !important;} .reveal li ul li {font-size: 0.95em !important;margin: 0em !important;}'
            ) . $pdfStyles;
        }

        $pdf = $generator->getPdf(
            $filename,
            $params,
            preg_replace('/%u([a-fA-F0-9]{4})/', '&#x\\1;', $pdata)
        );
        $length = strlen($pdf);
        header('Cache-Control: private, must-revalidate');
        header('Pragma: private');
        header('Content-disposition: inline; filename="' . $filename . '.pdf"');
        header("Content-Type: application/pdf");
        header("Content-Transfer-Encoding: binary");
        header('Content-Length: ' . $length);
        echo $pdf;
        exit(0);
    }
    die;
}
$smarty->assign('pages', $pages);
$smarty->assign_by_ref('parsed', $pdata);
$smarty->assign_by_ref('lastModif', $info["lastModif"]);

if (empty($info["user"])) {
    $info["user"] = 'anonymous';
}

$smarty->assign_by_ref('lastUser', $info["user"]);

include_once('tiki-section_options.php');


$headerlib->add_jsfile(
    'vendor_bundled/vendor/npm-asset/reveal.js/js/reveal.js'
);
$headerlib->add_cssfile(
    'vendor_bundled/vendor/npm-asset/reveal.js/css/reveal.css'
);
$headerlib->add_cssfile(
    'vendor_bundled/vendor/npm-asset/reveal.js/css/theme/' . $theme . '.css'
);
$headerlib->add_css(
    '.reveal span{font-family: "Font Awesome 5 Free";font-style: normal;font-weight:900} .reveal .controls{z-index:103;}#ss-settings-holder{position:fixed;top:10px;left:0px;width:10%;height:30px;text-align:left;padding-left:15px;cursor:pointer;z-index:102;line-height:1.5rem}#ss-options{position:fixed;top:50px;left:-2000px;width:230px;background-color:rgba(00,00,00,0.8);font-size:1.1rem;line-height:2.2rem;color:#fff;z-index:101;padding: 10px;border-top-right-radius: 25px;border-bottom-right-radius: 25px;} #ss-options a{color:#999} #ss-options a:hover{color:#fff} #page-bar,.icon_edit_section,.editplugin, #show-errors-button, .wikitext, .icon_edit_section, #toc,.heading-link {display:none} .fade:not(.show) { opacity: 1;}@media only screen and (max-width: 786px) {.reveal section div,.reveal span,.reveal p,.reveal blockquote,.reveal pre,.reveal ol,.reveal ul,.reveal article,.reveal section{font-size:500em !important}} @media all and (orientation: portrait){.reveal section div,.reveal span,.reveal p,.reveal blockquote,.reveal pre,.reveal ol,.reveal ul,.reveal article,.reveal section {font-size:135% !important} .reveal p {margin 10px 0 !important;}.reveal li, .reveal li ul li{font-size:130%; !important}} @media all and (orientation: landscape) and (max-width:1024px){.reveal section div,.reveal span,.reveal p,.reveal blockquote,.reveal pre,.reveal ol,.reveal ul,.reveal article,.reveal section{font-size:125% !important}} #reveal-controls span,#listSlides{cursor:pointer;color:#999;padding:0.15em} #reveal-controls span:hover,#listSlides:hover{color:#fff} footer{visibility:hidden}  @media (max-width: 1024px) and (orientation: portrait) {#ss-options {min-width:50% !important; font-size:2rem;line-height:4rem;top:8% !important} #reveal-controls span{font-size:150% !important} .p-2{width:100%;display:block;text-align:center} .form-control{font-size:45px !important; height:5rem !important}  #ss-settings-holder{padding-top:4% !important} #ss-settings-holder span{font-size:300% !important}} .scale-1{transform:scale(0.9);transform-origin:top center} .scale-2{transform:scale(0.8);transform-origin:top center} .scale-3{transform:scale(0.7);transform-origin:top center} .scale-4{transform:scale(0.6);transform-origin:top center} .scale-5{transform:scale(0.5);transform-origin:top center} .scale-6{transform:scale(0.45);transform-origin:top center}'
);

$headerlib->add_jq_onready(
    '$("", {rel: "stylesheet",type: "text/css",href: "", id:"themeCSS"}).appendTo("head");
    $("body").append("");
    var extraElements=["#page-bar",".icon_edit_section",".icon-link-external",".editplugin","#show-errors-button",".wikitext",".icon_edit_section","#toc","footer",".heading-link"];
    jQuery.each( extraElements, function( i, val ) {
        $( val ).remove();
    });


    if(fragments=="y") {
        $( "li" ).addClass( "fragment "+fragmentClass+" "+fragmentHighlightColor );
    }

    $("#ss-settings").click(function () {
        var position = $("#ss-options").position();
        if(position.left==0){
            $("#ss-settings").switchClass("fa-times","fa-cogs");
            $("#ss-options").animate({left: \'-2000px\'});
        }
        else {
            $("#ss-settings").switchClass("fa-cogs","fa-times");
            $("#ss-options").animate({left: \'0px\'});}
        });
        Reveal.addEventListener( \'slidechanged\', function( event ) {

            var position = $("#ss-options").position();
            if(position.left==0){
                $("#ss-settings").switchClass("fa-times","fa-cogs");
                $("#ss-options").animate({left: \'-2000px\'});
            }
        });

        //reveal controls
        $("body").delegate("#play","click", function () {
            if($("#play").hasClass("fa-play-circle")) {
                $("#play").switchClass("fa-play-circle","fa-pause-circle", 1000, "easeInOutQuad");
                Reveal.configure({ autoSlide:10000 });
                $(this).attr("style","color:#fff");

            }
            else {
                $("#play").switchClass("fa-pause-circle","fa-play-circle", 1000, "easeInOutQuad");
                Reveal.configure({ autoSlide: 0 });
                $(this).attr("style","");
            }
        });
        $("body").delegate("#firstSlide","click", function () {
            Reveal.slide( 0, 0,0 ); //Reveal.slide( indexh, indexv, indexf );
        });
        $("body").delegate("#lastSlide","click", function () {
            Reveal.slide( Reveal.getTotalSlides()-1, 0,0 ); //Reveal.slide( indexh, indexv, indexf );
        });
        $("body").delegate("#nextSlide","click", function () {
            var currentSlide=Reveal.getIndices().h;
            Reveal.slide(currentSlide+1,0,0); //Reveal.slide( indexh, indexv, indexf );
        });
        $("body").delegate("#prevSlide","click", function () {
            var currentSlide=Reveal.getIndices().h;
            if(currentSlide>0) {
            Reveal.slide(currentSlide-1,0,0);
             } //Reveal.slide( indexh, indexv, indexf );
        });
        $("body").delegate("#listSlides","click", function () {
            Reveal.toggleOverview();
        });
        $("body").delegate("#loop","click", function () {
            if($("#loop").hasClass("icon-inactive")){
                $("#loop").switchClass("icon-inactive","icon-active");
                Reveal.configure({loop: true});
                $(this).attr("style","color:#fff");
            }
            else{
                $("#loop").switchClass("icon-active","icon-inactive");
                Reveal.configure({loop: false});
                $(this).attr("style","");
            }

        });
        //end of controls

        $( "#showtheme" ).change(function() {
            var selectedCSS=$("#showtheme" ).val();
            $("#themeCSS").attr("href","vendor_bundled/vendor/npm-asset/reveal.js/css/theme/"+selectedCSS+".css");
        });
        $( "#showtransition" ).change(function() {
            var selectedTransition=$("#showtransition" ).val();
            Reveal.configure({ transition: selectedTransition });
        });
        $("body").delegate("#exportPDF","click", function () {
            if($("#showtheme" ).val()!="") {
                var pdfURL= $( "#exportPDF" ).attr("href")+"&theme="+$("#showtheme" ).val();
                $( "#exportPDF" ).attr("href",pdfURL);
            }
        });
        //Append slide title with URL on slide change
        Reveal.addEventListener( "slidechanged", function( event ) { location.hash = "!_"+$(".present table tr td").children("h1").attr("id");});
        Reveal.initialize({ width: "98%",height: "100%",center: false});
        $(window).bind("load", function() {
            //loop to scale contents
            $( "section" ).each(function( index ) {
                var overflow=$(this).innerHeight()-$(document).innerHeight();
                var scalePercent=Math.round(100-((overflow/$(document).innerHeight())*100));
                if(overflow>30){
                    if(scalePercent>70){ scalePercent>85?scalePercent=1:scalePercent=2;}
                    else if(scalePercent>30) {scalePercent>45?scalePercent=3:scalePercent=4;}
                    else if(scalePercent>25){scalePercent=5;}
                    else{scalePercent=6;}
                    $(this).addClass("scale-"+scalePercent);
                }
            });
            //end of loop
        });

        Reveal.addEventListener( \'ready\', function( event ) {

            var found=0;
            if(location.hash && found==0){
                 var goToSlide = location.hash.replace("#!_","");
                 var slideCount=0;
                 $( "section table tr td" ).each(function( index ) {
                    if(found==1){return;}
                    if($(this).children("h1").attr("id")==goToSlide && found==0){
                         Reveal.slide(slideCount);
                         found=1;
                    }
                    if($(this).children("h1").attr("id")){
                        slideCount++;
                    }
                 });
             }
        });
        '
);

if (empty($parserlib->getPlugins($info["data"], ['slideshow']))) {
    // If {slideshow} is not in the page, inject necessary Reveal related configurations
    $params = array_merge(SlideshowHelper::getDefaultPluginValues(), $_GET);
    $revealSettings = SlideshowHelper::getRevealSettingsAsString($params);

    $headerlib->add_js(
        "Reveal.configure({" . $revealSettings . "});"
    );
}

ask_ticket('index-raw');


$themesArr = [['black','Black'],
            ['blood','Blood'],
            ['beige','Beige'],
            ['league','League'],
            ['moon','Moon'],
            ['night','Night'],
            ['serif','Serif'],
            ['simple','Simple'],
            ['sky','Sky'],
            ['solarized','Solarized']];

$themeOptions = '';

foreach ($themesArr as $themeOption) {
    $themeOption[0] == $theme ? $selected = 'selected="selected"' : $selected = '';
    $themeOptions .= '' . tra($themeOption[1]) . '';
}

// disallow robots to index page
$smarty->assign('metatag_robots', 'NOINDEX, NOFOLLOW');
$smarty->assign('themeOptions', $themeOptions);
// Display the Index Template
$smarty->assign('mid', 'tiki-show_page_raw.tpl');

// use tiki_full to include include CSS and JavaScript
$smarty->display("tiki_full.tpl");


//new function for data cleaning and foramtting

function formatContent($content, $tagArr)
{

    $doc = new DOMDocument();

    // set error level
    $internalErrors = libxml_use_internal_errors(true);

    $doc->loadHTML(
        mb_convert_encoding('' . $content . '', 'HTML-ENTITIES', 'UTF-8'),
        LIBXML_HTML_NOIMPLIED | LIBXML_HTML_NODEFDTD
    );
    $xpath = new DOMXpath($doc);
    $expression = '(//sslide//h1|//sslide//h2|//sslide//h3)';
    $elements = $xpath->query($expression);

    foreach ($elements as $index => $element) {
        dom_rename_element($element, 'sheading');
    }

    foreach ($tagArr as $tag) {
        $list = $xpath->query(
            '//' . $tag[0] . '[contains(concat(\' \', normalize-space(@'
            . $tag[2] . '), \' \'), "' . $tag[1] . '")]'
        );
        for ($i = 0; $i < $list->length; $i++) {
            $p = $list->item($i);
            if (isset($tag[3]) && $tag[3] == 1) { //the parameter checks if content of tag has to be preserved
                $attributes = $p->attributes;
                while ($attributes->length) {
                    //preserving href

                    if ($attributes->item(0)->name == "href") {
                        $hrefValue = $attributes->item(0)->value;
                    }
                    $p->removeAttribute($attributes->item(0)->name);
                }
                if ($hrefValue) {
                    $p->setAttribute("href", $hrefValue);
                }
            } else {
                $p->parentNode->removeChild($p);
            }
        }
    }


    $content = str_replace(['', ''], '', $doc->saveHTML());

    // restore error level
    libxml_use_internal_errors($internalErrors);

    $headingsTags = preg_split('/','', ''],
                '' . $slideStart,
                $slide
            ) . $slideEnd . '';
        }
    }

    //images alignment left or right
    //replacment for slideshowslide

    return html_entity_decode(str_replace(
        [''],
        [$slideEnd . '' . $slideStart],
        $slideContent
    ));
}

function dom_rename_element(DOMElement $node, $name)
{
    $renamed = $node->ownerDocument->createElement($name);

    foreach ($node->attributes as $attribute) {
        $renamed->setAttribute($attribute->nodeName, $attribute->nodeValue);
    }

    while ($node->firstChild) {
        $renamed->appendChild($node->firstChild);
    }

    return $node->parentNode->replaceChild($renamed, $node);
}