static $datapress_statistics_logger = "http://projects.csail.mit.edu/datapress/logger/logger.php";

static function insert_exhibit($exhibit, $content) {

global $wp_query;

$exhibit_string = '';

if ($exhibit->get('lightbox')) {

$exhibit_string = self::get_exhibit_lightbox_link($exhibit);

} else {

$exhibit_string = self::get_inline_exhibit($exhibit);

}

if (is_feed()) {

$postid = $wp_query->post->ID;

$permalink = get_permalink($postid);

$exhibit_string .= "<p><b>Note: This post contains a interactive data presentation that may not show up in your feed reader.</b> For the full experience, visit <a href='$permalink'>this article</a> in your web browser.</p>";

}

$content = str_replace("{{Exhibit}}", $exhibit_string, $content);

$footnotes_string = self::get_data_footnotes_html($exhibit);

$content = str_replace("{{Footnotes}}", $footnotes_string, $content);

return $content;

}

static function get_exhibit_lightbox_link($exhibit) {

global $wp_query;

if (!$guessurl = site_url())

$guessurl = wp_guess_url();

$baseuri = $guessurl;

$exhibituri = $baseuri . '/wp-content/plugins/datapress';

$exhibitid = $exhibit->get('id');

$postid = $wp_query->post->ID;

$exhibit_html .= "<a href='$exhibituri/wp-exhibit-only.php?iframe&exhibitid=$exhibitid&postid=$postid&currentview=lightbox' class='exhibit_link_$exhibitid'>";

$exhibit_html .= "<div class='teaser' id='teaser_$exhibitid'>

<iframe src='$exhibituri/wp-exhibit-only.php?iframe&exhibitid=$exhibitid&postid=$postid&currentview=preview' width='100%' height='300' scrolling='no' frameborder='0'>

<p>Your browser does not support iframes.</p>

</iframe>

</div>

<div class='cover' id='cover_$exhibitid'>

</div>";

$exhibit_html .= "</a>";

return $exhibit_html;

}

static function get_inline_exhibit($exhibit) {

global $wp_query;

if (!$guessurl = site_url())

$guessurl = wp_guess_url();

$baseuri = $guessurl;

$exhibituri = $baseuri . '/wp-content/plugins/datapress';

$exhibitid = $exhibit->get('id');

$postid = $wp_query->post->ID;

$height = $exhibit->get('height');

$exhibit_html = "<iframe src='$exhibituri/wp-exhibit-only.php?iframe&exhibitid=$exhibitid&postid=$postid&currentview=inline' width='100%' height='$height' scrolling='auto' frameborder='0'>

<p>Your browser does not support iframes.</p>

</iframe>";

return $exhibit_html;

}

static function get_view_html($exhibit, $currentView, $postid) {

// add statistics gathering

$tracker_html = self::statistics_html($exhibit, $currentView, $postid);

// add views

$view_html = "";

if ($currentView == 'preview') {

foreach ($exhibit->get('views') as $view) {

$view_html .= $view->htmlContent();

return "$tracker_html $view_html";

}

}

else {

$grouped_html = "";

foreach ($exhibit->get('views') as $view) {

if ($view->get('ungrouped') == NULL) {

$grouped_html .= "\n" . $view->htmlContent();

}

}

$printedGroup = 0;

foreach ($exhibit->get('views') as $view) {

if (($view->get('ungrouped') == NULL) && (0 == $printedGroup)) {

$view_html .= "<div ex:role=\"viewPanel\">$grouped_html</div>";

$printedGroup = 1;

}

else {

//$view_html .= "\n" . $view->htmlContent();

}

}

}

if ($view_html == "") {

$view_html = "<div ex:role=\"view\"></div>";

}

// ex:role=\"viewPanel\">

return "$tracker_html $view_html";

}

static function get_exhibit_html($exhibit, $currentView, $postid) {

$view_html = self::get_view_html($exhibit, $currentView, $postid);

$lens_html = "";

foreach ($exhibit->get('lenses') as $lens) {

$lens_html = $lens_html . $lens->htmlContent();

$lens_html = $lens_html . "\n";

}

if ($currentView == 'preview') {

$exhibit_html = "$lens_html $view_html";

} else {

$top_facet_html = self::facet_html($exhibit->get('facets'), 'top');

$bottom_facet_html = self::facet_html($exhibit->get('facets'), 'bottom');

$left_facet_html = self::facet_html($exhibit->get('facets'), 'left');

$right_facet_html = self::facet_html($exhibit->get('facets'), 'right');

if ($exhibit->get('lightbox')) {

$right_facet_html .= self::facet_html($exhibit->get('facets'), 'widget');

}

$exhibit_colspan = 3;

if (strlen($left_facet_html) > 0) {

$exhibit_colspan--;

$left_facet_html = "<td width=\"15%\"> $left_facet_html </td>";

}

if (strlen($right_facet_html) > 0) {

$exhibit_colspan--;

$right_facet_html = "<td width=\"15%\"> $right_facet_html </td>";

}

$custom_html = "";

if ($exhibit->get('custom_html') != NULL) {

$custom_html .= $exhibit->get('custom_html');

}

$exhibit_html = "

$custom_html

$lens_html

<table class=\"dpcontainer\" width=\"100%\">

<tr>

<td colspan='3'>

$top_facet_html

</td>

</tr>

<tr valign=\"top\">

$left_facet_html

<td colspan='$exhibit_colspan'>$view_html</td>

$right_facet_html

</tr>

<tr>

<td colspan='3'>

$bottom_facet_html

</td>

</tr>

</table>";

}

return $exhibit_html;

}

static function statistics_html($exhibit, $currentView, $postid) {

$html = "";

if (get_option('datapress_et_phone_home') == "Y") {

$html .= "<script type='text/javascript'>\n";

$report = $exhibit->getStatisticReport($currentView, $postid);

$html .= "$.get('" . self::$datapress_statistics_logger . "', $report, null, 'script');\n";

$html .= "</script>\n";

}

return $html;

}

static function facet_html($facets, $location) {

$facet_html = "";

foreach ($facets as $facet) {

if ($facet->get('location') == $location) {

$facet_html = $facet_html . $facet->htmlContent();

$facet_html = $facet_html . "\n";

}

}

return $facet_html;

}

static function get_data_footnotes_html($exhibit) {

$html = "<ul>";

$ex_datasources = $exhibit->get('datasources');

foreach($ex_datasources as $ex_datasource) {

$sourcename = $ex_datasource->get('sourcename');

$uri = $ex_datasource->get('uri');

$html .= "<li> <a href='$uri'>$sourcename</a>\n";

}

$html .= "</ul>";

return $html;

}