custom.php

<?php
function dc_secondary_nav($type='items'){
	if($type=='items'){
		$links=array(
			array('label'=>'All Items','class'=>'browse button','uri'=>'/items/browse'),
			array('label'=>'Item Tags','class'=>'tags button','uri'=>'/items/tags'),
			);
	}elseif($type=='collections'){
		$links=array(
			array('label'=>'All Collections','class'=>'browse button','uri'=>'/collections/browse')
			);
	}elseif($type=='exhibits'){
		$links=array(
			array('label'=>'All Exhibits','class'=>'active button','uri'=>'/exhibits'),
			array('label'=>'Exhibit Tags','class'=>'search button','uri'=>'/exhibits/tags')
			);
	}elseif($type=='search-results'){
		$links=array(
			array('label'=>'Site Search','class'=>'active button','uri'=>'/search'),
			array('label'=>'Item Search','class'=>'search button','uri'=>'/items/search')
			);	
	}elseif($type=='item-map'){
		$links=array(
			array('label'=>'Items Map','class'=>'map button','uri'=>'/items/map'),
			array('label'=>'All Items','class'=>'map button','uri'=>'/items/browse')
			);
	}else{
		$links=array(
			array('label'=>'Browse All','class'=>'browse button','uri'=>'#')
			);
	}		
	return nav($links);	
}
// Quick links
// do_quick_link(get_theme_option('quicklinks_1'));
function do_quick_link($option=null){
	if($option){
		switch($option){
			case 'items':
			return '<a href="/items/browse/" class="button quick-link">'.__('Items').'</a>';
			case 'collections':
			return '<a href="/collections/browse/" class="button quick-link">'.__('Collections').'</a>';
			case 'exhibits':
			return '<a href="/exhibits/browse/" class="button quick-link">'.__('Exhibits').'</a>';
			case 'map':
			return '<a href="/items/map/" class="button quick-link">'.__('Map').'</a>';
			case 'about':
			return '<a href="/about/" class="button quick-link">'.__('About').'</a>';
			case 'contact':
			return '<a href="/contact/" class="button quick-link">'.__('Contact').'</a>';																				
			case 'contribute':
			return '<a href="/contribution/" class="button quick-link">'.__('Contribute').'</a>';	
			default:
			return null;
		}
	}
}	
function the_description($record){
	
	$abstract=(element_exists('Dublin Core','Abstract') && metadata($record,array('Dublin Core','Abstract'),array('all'=>true))) ? metadata($record,array('Dublin Core','Abstract'),array('all'=>true)) : null;
	
	$d=metadata($record,array('Dublin Core','Description'),array('all'=>true)) ? 
		metadata($record,array('Dublin Core','Description'),array('all'=>true)) : 
		( 
			(($record->type == 'item') && metadata($record,array('Item Type Metadata','Text'),array('all'=>true))) ? 
			metadata($record,array('Item Type Metadata','Text'),array('all'=>true)) : 
			$abstract 
		);
	
	
	$i=1;
	if($d){
		$html='';
		foreach($d as $description){
			$html.='<p class="description-'.$i.'">'.$description.'</p>';
			$i++;
		}
	}else{
		$html=null;//'<p class="no-description"><em>Description not available</em></p>';
		}
	return $html;	
}

function the_hyperlink($record,$markup=true){
	$user_url = metadata($record,array('Item Type Metadata','URL'));
	$url = $user_url ? trim(strip_tags($user_url)) : null;
	$hostname = parse_url($url, PHP_URL_HOST);
	if($url && $hostname){
		$html='<a class="button button-primary" target="_blank" href="'.$url.'">'
		.'View @ '.$hostname.'</a><div>Or scroll down for additional info</div>';
	}else{
		$html='<p><pre>Error: URL not available.</pre></p>';
		}
	if ($markup == true){
		return $html;
	}elseif($url){
		return $url;
	}else{
		return null;
	}
		
}


/* Check for some specific mime types */

function isImg($mime){
		$img = array('image/jpeg','image/jpg','image/png','image/jpeg','image/gif');	
		$test=in_array($mime,$img);
		return $test;
}

function isVideoJS($mime){
		$video = array('video/mp4','video/mpeg','video/ogg','video/quicktime','video/webm');	
		$test=in_array($mime,$video);
		return $test;
}


function isMP3($mime){
		$audio = array('audio/mp3','audio/mp4','audio/mpeg','audio/mpeg3','audio/mpegaudio','audio/mpg','audio/x-mp3','audio/x-mp4','audio/x-mpeg','audio/x-mpeg3','audio/x-mpegaudio','audio/x-mpg','audio/x-mp3','audio/x-mp4','audio/x-mpeg','audio/x-mpeg3','audio/x-mpegaudio','audio/x-mpg');	
		$test=in_array($mime,$audio);
		return $test;
}


function isDocsViewer($file){
		$ext = strtolower( pathinfo($file->filename, PATHINFO_EXTENSION) );
		
		$doc = array(        
		'doc', 'docx', // Microsoft Word
        'ppt', 'pptx', // Microsoft PowerPoint
        'xls', 'xlsx', // Microsoft Excel
        'tif', 'tiff', // Tagged Image File Format
        'eps', 'ps', // PostScript
        'pdf', // Adobe Portable Document Format
        'pages', // Apple Pages
        'ai', // Adobe Illustrator
        'psd', // Adobe Photoshop
        'dxf', // Autodesk AutoCad
        'svg', // Scalable Vector Graphics
        'ttf', // TrueType
        'xps' // XML Paper Specification);	
        );
        $test=in_array($ext,$doc);
		return $test;
}

/*
** Get URL of the first image for the item	
** Used for responsive image areas
** Example: get_hero_for_item($item,$size='square_thumbnails')
*/
function get_hero_for_item($item,$size){
		$i=0;
		foreach (loop('files', $item->Files) as $file){
			$mime=metadata($file,'mime_type');
			
			if( (isImg($mime)==true) && ($i==0) ){
				$url = $file->getWebPath($size);
				$i++;
				return $url;
			}elseif ( (isVideoJS($mime)==true) && ($i==0) ){
				$url = img('video.png','images/fallbacks');
				//$url = $file->getWebPath('thumbnail');
				$i++;
				return $url;				
			}elseif ( (isMP3($mime)==true) && ($i==0) ){
				$url = img('audio.png','images/fallbacks');
				$i++;
				return $url;				
			}elseif( (isDocsViewer($file)==true) && ($i==0) ){
				$url = img('file.png','images/fallbacks');
				//$url = $file->getWebPath('thumbnail');
				$i++;
				return $url;				
			}			
		}
}

function get_the_authors($item){
	if(!$item){
		$item=get_current_record('item');
		}
	if ($creators = metadata($item,array('Dublin Core', 'Creator'),array('all'=>true))){
		$authArray=array();
		$authTotal=count($creators);
		foreach($creators as $creator){
			$authArray[]=$creator;
		}
		
		switch($authTotal){
			case 1:
			$authors='<span class="auth">'.$authArray[0].'</span>';
			break;
			
			case 2:
			$authors='<span class="auth">'.$authArray[0].'</span> <span class="amp">&amp;</span> <span class="auth">'.$authArray[1].'</span>';
			break;		
	
			default:
			$authors='<span class="auth">'.$authArray[0].'</span>, <span class="auth">'.$authArray[1].'</span>, et al.';
		}
		
	
		return '<div class="creator">by '.$authors.'</div>';
	}	
}

function link_to_item_type_by_name($linkText="View All",$props=array(),$typeName){
	$type = get_db()->getTable('ItemType')->findByName($typeName);
	if($type){
		return link_to_items_with_item_type($linkText,$props,'browse',$type);
		}
}


function icon_font_for_type($type){

	switch ($type) {
	    case 'Website':
	        return ' <i class="fa fa-external-link-square"></i>';
	        break;
	    case 'Still Image':
	        return ' <i class="fa fa-camera-retro"></i>';
	        break;
	    case 'Sound':
	        return ' <i class="fa fa-microphone"></i>';
	        break;
	    case 'Oral History':
	        return ' <i class="fa fa-microphone"></i>';
	        break;	        	        
	    case 'Moving Image':
	        return ' <i class="fa fa-youtube-play"></i>';
	        break;	  
	    case 'Tour':
	        return ' <i class="fa fa-map"></i>';
	        break;
	    case 'Item':
	        return ' <i class="fa fa-bookmark"></i>';
	        break;
	    case 'File':
	        return ' <i class="fa fa-file"></i>';
	        break;
	    case 'Collection':
	        return ' <i class="fa fa-clone"></i>';
	        break;	        
	    case 'Exhibit':
	        return ' <i class="fa fa-folder"></i>';
	        break;
	    default:
	        return ' <i class="fa fa-bookmark"></i>';
	        break;	        
	}
}

function icon_font_if_featured($item){
	if($item->featured){
		return '<span>Featured</span> <i class="fa fa-star"></i>'; 
	}
}


function homepage_grid_recent_items($num=10){ 
	$items=get_records('Item',array('sort_field' => 'added', 'sort_dir' => 'd'), $num);
	if($items){
	foreach($items as $item){ 
		flex_grid_item($item);
		} 
	} 					
}
function homepage_grid_featured_collections($num=1){ 
	$collections=get_records('Collection',array('sort_field' => 'added', 'sort_dir' => 'd', 'featured'=>true), $num);
	if($collections){
	$i=1;
	foreach($collections as $collection){ 
		flex_grid_collection($collection,$i);
		$i++;
		if($i>3){
			$i=1;
		}
		} 
	} 					
}
function homepage_grid_featured_exhibit($num=1){ 
	if(plugin_is_active('ExhibitBuilder')){
		$exhibits=get_records('Exhibit',array('sort_field' => 'added', 'sort_dir' => 'd', 'featured'=>true), $num);
		if($exhibits){
		$i=1;
		foreach($exhibits as $exhibit){ 
			flex_grid_exhibit($exhibit,$i);
			$i++;
			if($i>3){
				$i=1;
			}
			} 
		} 	
	}				
}
function flex_grid_item($item){
		$creator=metadata($item,array('Dublin Core','Creator'));
		$interviewee=metadata($item,array('Item Type Metadata','Interviewee'));
		$creator = $interviewee ? $interviewee : $creator;
		$date=metadata($item,array('Dublin Core','Date'));
		$hero = get_hero_for_item($item,'fullsize');
		$typeName = $item->getItemType()['name'];
		$itemclass ='';
			$itemclass .= ($typeName) ? ' '.strtolower(str_replace(' ', '-', $typeName)) : null;
			$itemclass .= ($hero) ? ' has-image' : null;
		if($hero){
			$subject = $hero;
			$pattern = '/fallbacks/';
			preg_match($pattern, substr($subject,0), $matches, PREG_OFFSET_CAPTURE, 3);
			$itemclass.= $matches[0] ? ' fallback' : '';			
		}	
		?>	
		<div class="col">				
		<article class="grid item<?php echo $itemclass ;?>">
			<div class="inner flex-2">				
				
				<a class="thumbnail" href="<?php echo record_url($item);?>"><?php echo ($img=item_image('square_thumbnail',array(),0,$item)) ? $img : null;?></a>
								
				<div class="item-info">
					<h3><a href="<?php echo record_url($item);?>"><?php echo metadata($item,array('Dublin Core','Title'));?></a></h3>
				

					<div class="item-bottom">
					<?php 
					$headmeta=array();
					if($date=metadata('item', array('Dublin Core','Date'))){
						$headmeta[]='<span class="item-date">'.$date.'</span>';
					}
					if($creator=metadata('item', array('Dublin Core','Creator'))){
						$headmeta[]='<span class="item-creator">'.$creator.'</span>';
					}
					if($publisher=metadata('item', array('Dublin Core','Publisher'))){
						$headmeta[]='<span class="item-publisher">'.$publisher.'</span>';
					}				
					if($collection=metadata('item','Collection Name')){
						$headmeta[]='<span class="item-collection">Collection: '.link_to_collection_for_item().'</span>';
					}
							if (metadata('item','has tags')){
						$headmeta[]='<span class="item-meta-tags">Filed under: '.tag_string('item','items/browse',', ').'</span>';
					}
		
					echo implode(' &middot;&middot;&middot; ', $headmeta);								
					?>
					</div>	
				</div>	
			</div>	
		</article>		
		</div>	
		<?php 	
}

function flex_grid_other_search_results($record,$recordType){
		if(isset($recordType)):
			if($recordType=="Collection"){
				$iconclass='fa fa-archive';
			}else{
				$iconclass='fa fa-file';
			}
		?>	
		<div class="col">				
		<article class="grid item<?php echo strtolower($recordType) ;?>">
			<div class="inner flex-2">				
				
				<a class="thumbnail thumbnail-other-result"><i class="<?php echo $iconclass;?>"></i></a>
								
				<div class="item-info">
					<h3><a href="<?php echo record_url($record);?>"><?php echo metadata($record,array('Dublin Core','Title'));?></a></h3>
				

					<div class="item-bottom">
					<?php echo 'Type: '.$recordType;?>
					</div>	
				</div>	
			</div>	
		</article>		
		</div>	
		<?php endif;
}


function flex_grid_collection($collection,$i){
		$item=get_record('Item', array('hasImage'=>true,'collection'=>$collection,'sort_field' => 'added', 'sort_dir' => 'd'));		
		$title=metadata($collection,array('Dublin Core','Title'));
		$description=metadata($collection,array('Dublin Core','Description'));
		$snippet=snippet($description,0, 400, '... ');
		$cta='View collection';
		$text = '<h3><a href="'.record_url($collection).'">'.$title.'</a></h3>'.
		'<p>'.$snippet.'</p>'.
		'<a href="'.record_url($collection).'" class="button">'.$cta.'</a>';		
		?>	
			<article class="collection">
				<div class="flex-2">
					<div class="col"><?php echo $text;?></div>
					<div class="col">
						<?php echo '<a class="collection-img" href="'.record_url($collection).'">'.item_image('fullsize',array(),0,$item).'</a>';?>
					</div>
				</div>
			</article>		
		<?php 	
}

function flex_grid_exhibit($exhibit,$i){
		//var_dump();
		$title=exhibit_builder_link_to_exhibit($exhibit);
		$description=($exhibitDescription = metadata($exhibit, 'description', array('no_escape' => true))) ? $exhibitDescription : null;
		$snippet=snippet($description,0, 400, '... ');
		$exhibitCoverImageFile = ($id=$exhibit->cover_image_file_id) ? get_record_by_id('File',$id) : null;
		$text = '<h3>'.$title.'</h3>'.
		'<p>'.$snippet.'</p>'.
		'<a href="'.record_url($exhibit).'" class="button">View Exhibit</a>';		
		?>	
			<article class="collection">
				<div class="flex-2">
					<div class="col"><?php echo $text;?></div>
					<div class="col">
						<?php echo $exhibitCoverImageFile ? '<a class="collection-img" href="'.record_url($exhibit).'">'.record_image($exhibitCoverImageFile,'fullsize').'</a>' : null;?>
					</div>
				</div>
			</article>		
		<?php
}

function footer_text_snippets($length=250){ ?>
			<div class="col"><h2><span>About</span> This</h2>
				<article>
				<?php if($about=get_theme_option('footer_about_text')){
					$about= snippet($about, 0, $length, '...');
					echo '<p>'.$about.'</p><a class="read-more button" href="'.WEB_ROOT.'/about">Read More</a>';
				}else{
					echo '<p>You have not entered any text in theme settings.</p>';
				}?>
				</article>
			</div>
			
			<div class="col"><h2><span>About</span> That</h2>
				<article>
				<?php if($sponsorAbout=get_theme_option('footer_sponsor_text')){
					$sponsorAbout= snippet($sponsorAbout, 0, $length, '...');
					echo '<p>'.$sponsorAbout.'</p><a class="read-more button" href="#">Visit Our Homepage</a>';
				}else{
					echo '<p>You have not entered any text in theme settings.</p>';
				}?>
				</article>
			</div>	
<?php }

function gallery_script($num=6){
	echo js_tag('jquery.event.move.min');
	echo js_tag('jquery.event.swipe.min');
	echo js_tag('unslider.min');
	$items=get_records('Item',array('sort_field' => 'modified', 'sort_dir' => 'd', 'featured'=>true,'hasImage'=>true), $num);
	if($items){
		$itemsArray=[];
		foreach($items as $item){ 
			if($img=get_hero_for_item($item,'fullsize')){
				$itemsArray[]=array(
					'url'=>WEB_ROOT.'/items/show/'.$item->id,
					'fullsize'=>$img,
					'title'=>($title=metadata($item,array('Dublin Core','Title'))) ? $title : 'No Title',	
					'creator'=>($creator=metadata($item,array('Dublin Core','Creator'))) ? $creator : 'Creator Unknown',
					'date'=>($date=metadata($item,array('Dublin Core','Date'))) ? $date : 'Date Unknown',		
					'collection'=>( $collection=get_collection_for_item($item) ) ? link_to($collection,'show','View Collection',array('class'=>'cta')) : '',
					);
				}
			}
		if(count($itemsArray) > 0){
			// do gallery
			?>
			<div class="banner">
				<ul>
					<?php foreach($itemsArray as $i){ ?>
					<li>
						<div class="slide-container" style="background:url(<?php echo $i['fullsize'];?>) no-repeat;background-size: cover;background-position: center">
							<div class="slide-info">
								<h1><?php echo '<a href="'.$i['url'].'">'.$i['title'].'</a>';?></h1>
								<h2><?php echo $i['date'];?> / <?php echo $i['creator'];?></h2>
								<a class="cta" href="<?php echo $i['url'];?>">View Item</a>
								<?php echo $i['collection'];?>
							</div>
						</div>
					</li>
					<?php }?>
				</ul>
			</div>
			<a href="#" class="unslider-arrow prev">Previous slide</a>
			<a href="#" class="unslider-arrow next">Next slide</a>			
			<script>
			    var unslider = jQuery('.banner').unslider({
				    //speed:800,
				    delay: 7000,
				    fluid: true,
			    });
			    
			    data = unslider.data('unslider');
			    data.dots();

				var slides = jQuery('.banner'),
				    i = 0;
				
				slides
				.on('swiperight', function(e) {
				    data.prev();
				})
				.on('swipeleft', function(e) {
				    data.next();
				})
				.on('movestart', function(e) {
					// disable swipe up/down events to allow for normal scrolling
					if ((e.distX > e.distY && e.distX < -e.distY) ||
					  (e.distX < e.distY && e.distX > -e.distY)) {
					e.preventDefault();
					}
				});
		    
			    jQuery('.unslider-arrow').click(function() {
			        var fn = this.className.split(' ')[1];
			        
			        //  Either do unslider.data('unslider').next() or .prev() depending on the className
			        unslider.data('unslider')[fn]();
			    });		
			</script>	
			<?php
		} 
	} 	
}

function browse_by_item_type(){
	$types = get_records('ItemType',array(),0);
	$opts=array();
	foreach($types as $type){
		$total=$type->totalItems();
		if($total>0){
			$opts[$type->name] = '<option value="'.$type->id.'">'.$type->name.' ('.$total.')</option>';
			}
	}
	ksort($opts);
	
	$html='<select id="item-type-browse">';
		$html.='<option value="0">Browse by item type...</option>';
		$html.='<option value="">All Types (Reset)</option>';
		foreach($opts as $key=>$value){
			$html.= $value;
		}
	$html.='</select>';

	$html.='<script>
	// Submit item type selection
	jQuery("#item-type-browse").on("change",function(){
		var typeid=jQuery(this).val();
		window.location="/items/browse?search=&advanced[0][element_id]=&advanced[0][type]=&advanced[0][terms]=&type="+typeid;
	});
	</script>';	
	return $html;
}
			

function random_item_link($text=null,$class='show'){
	if(!$text){
		$text= __('View a Random Item');
	}
	$link = '';
	$randitems = get_records('Item', array( 'sort_field' => 'random', 'hasImage' => true), 1);
	$linkclass = 'random-story-link ' . $class;
	
	if( count( $randitems ) > 0 ){
		$link = link_to( $randitems[0], 'show', $text,
			array( 'class' => $linkclass ) );
	}else{
		$link = link_to( 'items', 'browse', 'Browse Items',
			array( 'class' => $linkclass ) );
	}
	return $link;
}

function get_img_files($item, $custom_url=null){
	
	$html=null;
	$index=0;
	
	foreach (loop('files', $item->Files) as $file){ 
		
		$mime = metadata($file, 'MIME Type');
		// if the file is an image, proceed...
		if ( isImg($mime) !== false ){

			$index++;	
	
		    $html.='<figure itemprop="associatedMedia" itemscope itemtype="http://schema.org/ImageObject">';
			    $html.='<a href="'.($custom_url ? $custom_url : file_display_url($file,'fullsize')).'" itemprop="contentUrl" data-size="" '.($custom_url ? 'target="_blank"' : null).'>';
			    	$html.='<img src="'.file_display_url($file,'fullsize').'" itemprop="thumbnail" alt="'.metadata($file,array('Dublin Core', 'Title')).'" />';
			    $html.='</a>';
				$html.='<figcaption itemprop="caption description">'.create_file_caption($file).'</figcaption>';
		    $html.='</figure>';	
	
		}
	}
	if($html){
		return '<div class="pswp-image-gallery" itemscope itemtype="http://schema.org/ImageGallery">'.$html.'</div>';
	}else{
		return null;
	}
	
}

	
function get_streaming_files($item){
	if (!$item){
		$item=set_loop_records('Files',$item);
	}	
	$index = 0; 
	foreach (loop('files', $item->Files) as $file):
		//variables used to check mime types for VideoJS compatibility, etc.
		$mime = metadata($file,'MIME Type');
		$wma_video = array('audio/wma','audio/x-ms-wma');
		$wmv_video = array('video/avi','video/msvideo','video/x-msvideo','video/x-ms-wmv');
		// VideoJS videos
		if (isVideoJS($mime) !== false) { ?>
				
			<div class="video-container" id="v<?php echo $index;?>">
				<video id="video_<?php echo $index;?>" class="video-js vjs-default-skin video" controls playsinline preload="auto" data-setup="{}">
				 	<source src="<?php echo file_display_url($file,'original');?>" type='video/mp4'/>
				 	Your browser doesn't support HTML &lt;video&rt;. <a href="<?php echo file_display_url($file,'original');?>">Download the file</a>.
				</video>
			</div>

		<?php }elseif (isMP3($mime) !== false){ ?>	
			<div class="audio-container" id="a<?php echo $index;?>">
				<audio 
				id="audio_<?php echo $index;?>" 
				class="htmlaudio" 
				preload="auto" 
				width="auto" 
				height="20" 
				controls >
					<source 
					src='<?php echo file_display_url($file,'original');?>' 
					type="<?php echo $mime ;?>"/>
						        
			        Your browser doesn't support HTML &lt;audio&rt;. 
			        <a href="<?php echo file_display_url($file,'original');?>">Download the file</a>.
				</audio>
			</div>		
		<?php }
		$index++;		
	endforeach;	
}	

function create_file_caption($file){
	$captionTitle = (metadata($file,array('Dublin Core', 'Title'))) ? '<strong>'.metadata($file, array('Dublin Core', 'Title')).'</strong>' : '';		
	$captionCreator = (metadata($file,array('Dublin Core', 'Creator'))) ? metadata($file, array('Dublin Core', 'Creator')) : '';
	$captionDate = (metadata($file,array('Dublin Core', 'Date'))) ? metadata($file, array('Dublin Core', 'Date')) : '';
	if($captionCreator || $captionDate){
		$captionTitle.='<br>'.implode(' | ',array($captionCreator,$captionDate));	
	}
	$captionDescription = (metadata($file,array('Dublin Core', 'Description'))) ? ': '.metadata($file, array('Dublin Core', 'Description')) : '';
	$captionSource = (metadata($file,array('Dublin Core', 'Source'))) ? '<div>Source: '.metadata($file, array('Dublin Core', 'Source')).'</div>' : '';
	$captionLink = (metadata($file,'id')) ? '<div class="more-info">More Info: '.link_to($file,'show', 'View file metadata',array('class'=>'view-file-record','rel'=>'nofollow')).'</div>' : '';
	
	$caption=$captionTitle.$captionDescription.$captionSource.$captionLink;
	
	return $caption;		
}	

// File download table for items/show
function file_download_table($item=null, $html=null){
	if($files=loop('files', $item->Files)){
		$html.='<table class="u-full-width">';
		$html.='<thead><tr><th>'.__('Name').'</th><th>'.__('Info').'</th><th>'.__('Download').'</th></tr></thead><tbody>';
		foreach ($files as $file){ 		
			$file_url=file_display_url($file,'original');
			$file_title=((metadata($file,array('Dublin Core', 'Title'))) ? metadata($file, array('Dublin Core', 'Title')) : $file->original_filename);
			$file_link='<a class="button download-file-button" href="'.$file_url.'" download="'.$file->original_filename.'">Download</a>';
			$file_info='<div class="download-file-info"><span>'.$file->getExtension().'</span> / '.formatSizeUnits($file->size).'</div>';
			$html.='<tr><td>'.$file_title.'</td><td>'.$file_info.'</td><td>'.$file_link.'</td></tr>';
		}
		$html.='</tbody></table>';
		return $html;
	}
}

/* test if current url is an Omeka SimplePages page */
/* returns page id or false */
function is_simplepage($url){
	if(!$url){
		$url=current_url();
	}
	$spinfo=array();
	$pages = get_db()->getTable('SimplePagesPage')->findAll();
	foreach($pages as $page){
		$spinfo[$page->id]='/'.$page->slug;
	}
	return array_search($url, $spinfo);
}


/* 
** https://stackoverflow.com/questions/5501427/php-filesize-mb-kb-conversion
*/
function formatSizeUnits($bytes)
    {
        if ($bytes >= 1073741824)
        {
            $bytes = number_format($bytes / 1073741824, 2) . ' GB';
        }
        elseif ($bytes >= 1048576)
        {
            $bytes = number_format($bytes / 1048576, 2) . ' MB';
        }
        elseif ($bytes >= 1024)
        {
            $bytes = number_format($bytes / 1024, 2) . ' kB';
        }
        elseif ($bytes > 1)
        {
            $bytes = $bytes . ' bytes';
        }
        elseif ($bytes == 1)
        {
            $bytes = $bytes . ' byte';
        }
        else
        {
            $bytes = '0 bytes';
        }

        return $bytes;
}
// Contact Info
// Uses HTML Microformats: https://microformats.io/
function contact_info_formatted($html=null,$includeSocial=true){
	
	$org_name=get_theme_option('org_name');
	$street_address_1=get_theme_option('street_address_1');
	$street_address_2=get_theme_option('street_address_2');
	$city=get_theme_option('city');
	$state=get_theme_option('state');
	$zip=get_theme_option('zip');
	$country=get_theme_option('country');
	$phone=get_theme_option('phone');

	$html.= $org_name ? '<strong><span class="p-name">'.strip_tags($org_name).'</span></strong><br>' : null;
	$html.= $street_address_1 ? '<span class="p-street-address">'.strip_tags($street_address_1).'</span><br>' : null;
	$html.= $street_address_2 ? '<span class="p-extended-address">'.strip_tags($street_address_2).'</span><br>' : null;
	$html.= $city ? '<span class="p-locality">'.trim(strip_tags($city)).'</span>' : null;
	$html.= $state ? ', <span class="p-region">'.trim(strip_tags($state)).'</span>' : null;
	$html.= $zip ? ' <span class="p-postal-code">'.trim(strip_tags($zip)).'</span>' : null;
	$html.= $country ? ' <span class="p-country-name">'.trim(strip_tags($country)).'</span>' : null;
	$html.= $phone ? '<br><span class="p-tel">'.trim(strip_tags($phone)).'</span>' : null;
	$html.= $includeSocial ? '<br>'.social_links_formatted() : null;
	
	return $html ? '<div class="h-card">'.$html.'</div>' : 'Please enter your contact information in theme settings.';
}

// Social Media and Email Links
// Uses HTML Microformats: https://microformats.io/
function social_links_formatted($html=null){
	$email=get_theme_option('email_address');
	$facebook=get_theme_option('facebook_url');
	$twitter=get_theme_option('twitter_url');
	$instagram=get_theme_option('instagram_url');
	$youtube=get_theme_option('youtube_url');
	$pinterest=get_theme_option('pinterest_url');
	
	if(($email) || ($facebook) || ($twitter) || ($instagram) || ($youtube) || ($pinterest) ){
		$html.='<div class="social-media-links">';
		
            $html.= $email ? '<a target="_blank" title="Email" class="fa fa-envelope hcard" href="'.$email.'"></a>' : null;
            $html.= $facebook ? '<a target="_blank" title="Facebook" class="fab fa-facebook hcard" href="'.$facebook.'"></a>' : null;
            $html.= $twitter ? '<a target="_blank" title="Twitter" class="fab fa-twitter hcard" href="'.$twitter.'"></a>' : null;
            $html.= $instagram ? '<a target="_blank" title="Instagram" class="fab fa-instagram hcard" href="'.$instagram.'"></a>' : null;
            $html.= $pinterest ? '<a target="_blank" title="Pinterest" class="fab fa-pinterest hcard" href="'.$pinterest.'"></a>' : null;
            $html.= $youtube ? '<a target="_blank" title="Youtube" class="fab fa-youtube hcard" href="'.$youtube.'"></a>' : null;

		$html.='</div>';
	}
	
	return $html;
}

// PhotoSwipe UI 
function photoswipe_markup() { ?>
	<div class="pswp" tabindex="-1" role="dialog" aria-hidden="true">
	    <div class="pswp__bg"></div>
	    <div class="pswp__scroll-wrap">
	        <div class="pswp__container">
	            <div class="pswp__item"></div>
	            <div class="pswp__item"></div>
	            <div class="pswp__item"></div>
	        </div>
	        <div class="pswp__ui pswp__ui--hidden">
	            <div class="pswp__top-bar">
	                <div class="pswp__counter"></div>
	                <button class="pswp__button pswp__button--close" title="Close (Esc)"></button>
	                <button class="pswp__button pswp__button--share" title="Share"></button>
	                <button class="pswp__button pswp__button--fs" title="Toggle fullscreen"></button>
	                <button class="pswp__button pswp__button--zoom" title="Zoom in/out"></button>
	                <div class="pswp__preloader">
	                    <div class="pswp__preloader__icn">
	                      <div class="pswp__preloader__cut">
	                        <div class="pswp__preloader__donut"></div>
	                      </div>
	                    </div>
	                </div>
	            </div>
	            <div class="pswp__share-modal pswp__share-modal--hidden pswp__single-tap">
	                <div class="pswp__share-tooltip"></div> 
	            </div>
	            <button class="pswp__button pswp__button--arrow--left" title="Previous (arrow left)">
	            </button>
	            <button class="pswp__button pswp__button--arrow--right" title="Next (arrow right)">
	            </button>
	            <div class="pswp__caption">
	                <div class="pswp__caption__center"></div>
	            </div>
	        </div>
	    </div>
	</div>
<?php } 

// Google Analytics
function google_analytics($webPropertyID=null){
	$webPropertyID= get_theme_option('google_analytics');
	if ($webPropertyID!=null){
		echo "<script type=\"text/javascript\">
	  var _gaq = _gaq || [];
	  _gaq.push(['_setAccount', '".$webPropertyID."']);
	  _gaq.push(['_trackPageview']);
	  (function() {
	    var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true;
	    ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js';
	    var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s);
	  })();
	</script>";
	}
}