if (!isset($_GET['action'])) {
$PDFs = $pdfViewer->getPDFList();
if (empty($PDFs)) {
echo '<p>There are no PDFs available.</p>';
} else {
echo '<p>Choose a file:</p>';
echo '<ul>';
foreach ($PDFs as $pdf) {
$filename = basename($pdf);
echo "<li><a href='?action=view&file={$filename}'>{$filename}</a></li>";
}
echo '</ul>';
}
} else {
if ($_GET['action'] == 'view' && !empty($_GET['file'])) {
$images = $pdfViewer->getImageList($_GET['file']);
echo '<p>Viewing file ' . htmlentities($_GET['file']) . '</p>';
echo '<div class="row"><div class="small-12 medium-8 columns">';
echo '<div id="pdf">';
foreach ($images as $image) {
$url = str_ireplace(__DIR__ . '/', '', $image);
echo "<img src='{$url}' alt='pdf image'>";
}
echo '</div>';
echo '</div>';
echo '<div class="small-12 medium-4 columns">';
echo '<div class="panel callout radius">';
echo '<h4>Supporting Information</h4>';
echo '<p>Feel free to have ancillary information here.</p>';
echo '</div>';
echo '<div class="panel radius">';
