wp-exhibit-insert-exhibit.php

<?php

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

    static function insert_exhibit($exhibit, $content) {
		global $wp_query;
		global $exhibits_to_show;
		/*
			our exhibit string is what actually gets printed to screen
			this method will be called for each exhibit
		*/
		$exhibit_string = '';
		if ($exhibit->get('lightbox')) {
		/*
		if we are displaying a lightbox then display the lightbox link
		*/ 
			$exhibit_string = self::get_exhibit_lightbox_link($exhibit);
		} 
		elseif (count($exhibits_to_show)==1){
		/*
		the one exhibit case. We want to generate the exhibit data. This is called in the case of one exhibit in given configuration (did die test to check)
		*/
		$postid = $wp_query->post->ID;
		$exhibitid = $exhibit->get('id');
		//DbMethods::loadFromDatabase($exhibit,$exhibitid);
		$exhibit_html = $exhibit_html = self::get_exhibit_html($exhibit, "", $postid); 
		echo $exhibit_html;
		//die;		
		}
		else {
		/*
		if not showing lightbox and more than one exhibit, display exhibit itself in an iframe
		*/
	        $exhibit_string = self::get_inline_exhibit($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>";
        }
	if (!$guessurl = site_url())
    		$guessurl = wp_guess_url();
    		$exhibituri = $guessurl . '/wp-content/plugins/datapress';
    		$imageurl = $exhibituri . '/exhibit.png';   	
		$footnotesurl = $exhibituri . '/footnotes.png';
	

        $content = str_replace('<img src="' . $imageurl . '" alt="Your Exhibit" width="70" height="70" />', $exhibit_string, $content);
        $footnotes_string = self::get_data_footnotes_html($exhibit);
        $content = str_replace('<img src="' . $footnotesurl . '" alt="Your Footnotes" width="70" height="70" />', $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, $includeWidgetFacets=false) {	
      $view_html = self::get_view_html($exhibit, $currentView, $postid);
      $widgetIsntAvailable = false;
        
        $lens_html = "";
        foreach ($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 ($includeWidgetFacets) {
	            $right_facet_html .= self::facet_html($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;
    }
}