pr2/translate/STransNSDLSearchXML.php5

<?php
class STransNSDLSearchXML extends STransXML
{

    /*-----------------------------------------------------*/
    /* Translate a given SInput object
    /*-----------------------------------------------------*/
    public function translate ($si)
    {
        if (parent::translate($si) == false) return false;
        $xml = SXMLHelper::parse($si->getSource());
        if ($xml === false) return false;

        // If there are no results
        if (!isset($xml->SearchResults->results)) {
            return('No Results');
        }


        // If there are results, loop through them to display
        $output = "";

        // add the header
        //$output .= $this->addHeaderFooter($xml, $si);
        $output .= $this->addForwardBackButtons($xml, $si);

        // print the results
        foreach($xml->SearchResults->results->document as $doc){
            $output .= $this->renderResultDocument($doc);
        }

        $output .= $this->addForwardBackButtons($xml, $si);

        // add the footer
        //$output .= $this->addForwardBackButtons($xml, $si);
        //$output .= $this->addHeaderFooter($xml, $si);


        $this->sendToTarget($si, $output);
        parent::translate($si);
    }

    /* --------------------------------------------------------- */

    protected function addHeaderFooter($xml, $si) {
        $ss = $si->getOption('ss');
        $sr = $si->getOption('sr');
        if ($ss == "" && isset($_GET['ss'])) { $ss = $_GET['ss']; }
        if ($sr == "" && isset($_GET['sr'])) { $sr = $_GET['sr']; }

        $numPerPage = $si->getOption('numPerPage');
        global $PATH;

        $action = SWATFunctions::stripArgs($_SERVER['REQUEST_URI']);

        if ($xml != ""){
            $first = $xml->SearchResults->resultsInfo->numSkipped + 1;
            $min = min($xml->SearchResults->resultsInfo->numSkipped + $xml->SearchResults->resultsInfo->numReturned, $xml->SearchResults->resultsInfo->totalNumResults);
            $total = $xml->SearchResults->resultsInfo->totalNumResults;
        } else {
            $first = $min = $total = "";
        }

        $linkbase = explode("?", $_SERVER['REQUEST_URI']);
        $args = (count($linkbase) == 2) ? $linkbase[1] : "";
        $cserdLink = $PATH['fedsearch'] . "?ss=" . $ss;
        $nsdlLink = $PATH['fedsearch'] . "nsdl/?ss=" . $ss;

        $html =<<<END

    <table border="0" cellspacing="0" cellpadding="0" style="padding: 0px; background: #F3F6FF; border: 1px solid #CCC; margin: 10px 0px 10px 0px;">
    <tr>
        <td class="header" width="100%" style="padding: 10px;">
        <a href="$cserdLink">Search CSERD</a>&nbsp;&nbsp; <a href="$nsdlLink">Search NSDL</a></td>
        <td align="right" nowrap="nowrap" style="padding: 10px;">
            <form method="get" action="$action">
                <input type="text" name="ss" size="30" maxlength="120" value="$ss" />
                <input type="submit" value="Search" />
            </form>
        </td>
    </tr>
    <tr>
        <td colspan="2" style="padding: 10px; background: #FFFFFF;">
            <table border="0" cellspacing="0" cellpadding="0" width="100%">
                <tr>
                    <td>Searched for: <b>$ss</b></td>
                    <td align="right">Results <b>$first - $min</b> of <b>$total</b></td>
                </tr>
            </table>
        </td>
    </tr>
    </table>

END;
        return $html;
    }


    protected function addForwardBackButtons($xml, $si) {
        $ss = $si->getOption('ss');
        $sr = $si->getOption('sr');
        if ($ss == "" && isset($_GET['ss'])) { $ss = $_GET['ss']; }
        if ($sr == "" && isset($_GET['sr'])) { $sr = $_GET['sr']; }

        $numPerPage = SConfig::getOption('fedsearch.resultsPerPage');

        $output = "";
        // Display forward and back buttons:

        if (($xml->SearchResults->resultsInfo->numSkipped + $xml->SearchResults->resultsInfo->numReturned) < ($xml->SearchResults->resultsInfo->totalNumResults)) {
            $newUrl = $this->buildCWISURL($ss, $sr + $numPerPage);
            $output .= '<div style="float:right; width: 300px; text-align:right"><a href="' . $newUrl . '">Next ' . $numPerPage . ' Results&nbsp;&rarr;</a></div>';
        }

        if (($xml->SearchResults->resultsInfo->numSkipped) > 0) {
            $newUrl = $this->buildCWISURL($ss, $sr - $numPerPage);
            $output .= '<a href="' . $newUrl . '">&larr;&nbsp;Prev ' . $numPerPage . ' Results</a>';
        }

        $output .= "<br />";
        return $output;
    }

    //
    //
    protected function renderResultDocument($doc) {
        $ns_dc = $doc->fields->children('http://purl.org/dc/elements/1.1/');

        $url = $doc->header->resourceIdentifier;
        $title = $ns_dc->title;
        if (strlen($ns_dc->description) > 400){
            $descrip = substr($ns_dc->description, 0, 400) . "...";
        } else {
            $descrip = $ns_dc->description;
        }

        $brand = $doc->fields->collContext->brand;
        $brandSrc = $brand->image;
        $brandAlt = $brand->altText;

        return <<<END
    <p class="ResultSet-Item section"><img style="float:right" src="$brandSrc" alt="$brandAlt" /><span class="ResultSet-ItemLink"><a href="$url" target="_parent" >$title</a>&nbsp;&nbsp; </span><br /><span class="resultDescription">$descrip</span><br /><a href="$url" target="_blank">View Website</a></p>
END;
    }

    protected function buildCWISURL($ss, $sr) {
        $base = SWATFunctions::stripArgs($_SERVER['REQUEST_URI']);
        if ($sr < 0) $sr = 0;
        return $base . "?ss=" . $ss . "&sr=" . $sr;
    }

}

?>

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