EDIT

<?php

// $Id$

/**

* Copyright (C) 2007 EDIT

* European Distributed Institute of Taxonomy 

* http://www.e-taxonomy.eu

* 

* The contents of this file are subject to the Mozilla Public License Version 1.1

* See http://www.mozilla.org/MPL/MPL-1.1.html for the full license terms.

*/

function media_content_type_dir($media_representation, $default = false){

	if($media_representation->mimeType){

		return substr($media_representation->mimeType, 0, stripos($media_representation->mimeType, '/'));

	} else {

		return $default;

	}

}

function getimagesize_remote($image_url) {

	$contents = cdm_http_request($image_url);

	if(!$contents){

		return false;

	}

	$im = ImageCreateFromString($contents);

	if (!$im) {

		return false;

	}

	$gis[0] = ImageSX($im);

	$gis[1] = ImageSY($im);

	// array member 3 is used below to keep with current getimagesize standards

	$gis[3] = "width={$gis[0]} height={$gis[1]}";

	ImageDestroy($im);

	return $gis;

}

function theme_cdm_media($descriptionElement, $mimeTypePreference){

	$out = "";

	_add_js_thickbox();

	$uuid = $descriptionElement->uuid;

	$feature = $descriptionElement->feature;

	$medias = $descriptionElement->media;

	foreach($medias as $media){

		$prefRepresentations = cdm_preferred_media_representations($media, $mimeTypePreference, 300, 400);

		$mediaRepresentation = array_shift($prefRepresentations);

		if($mediaRepresentation) {

			$contentTypeDirectory = media_content_type_dir($mediaRepresentation);

			$out .= theme('cdm_media_mime_' . $contentTypeDirectory,  $mediaRepresentation, $feature);

			//			$attributes = array('class'=>'thickbox', 'rel'=>'descriptionElement-'.$uuid, 'title'=>$feature->term);

			//		    for($i = 0; $part = $mediaRepresentation->representationParts[$i]; $i++){

			//		    	if($i == 0){

			//		    	    $image_url = drupal_get_path('module', 'cdm_dataportal').'/images/'.$feature->term.'-media.png';

			//		    	    $media = '<img src="'.$image_url.'" height="14px" alt="'.$feature->term.'" />';

			//		    	    $out .= l($media, $part->uri, $attributes, NULL, NULL, TRUE, TRUE);

			//		    	} else {

			//		    		$out .= l('', $part->uri, $attributes, NULL, NULL, TRUE);

			//		    	}

			//		  	}

		} else {

			// no media available, so display just the type term

			$out .=  $feature->representation_L10n;

		}

	}

	return $out;

}

function theme_cdm_mediaTypeTerm($feature){

	$icon_url = drupal_get_path('module', 'cdm_dataportal').'/images/'.$feature->representation_L10n.'-media.png';

	return '<img src="'.$icon_url.'" height="14px" alt="'.$feature->representation_L10n.'" />';

}

function theme_cdm_media_mime_application($mediaRepresentation, $feature){

	foreach($mediaRepresentation->parts as $part){

		$attributes = array('title'=> theme('cdm_feature_name', $feature->representation_L10n), 'target'=>'_blank');

		//$attributes = array('title'=>$feature->representation_L10n, 'target'=>'_blank');

		//$attributes = array('title'=>'original publication', 'target'=>'_blank');

		$out .= l(theme('cdm_mediaTypeTerm', $feature), $part->uri, $attributes, NULL, NULL, TRUE, TRUE);

	}

	return $out;

}

function theme_cdm_media_mime_image($mediaRepresentation, $feature){

	$out = '';

	//TODO thickbox is not used anymore -> delete ?

	$attributes = array('class'=>'thickbox', 'rel'=>'representation-'.$representation->uuid, 'title'=>$feature->representation_L10n);

	for($i = 0; $part = $representation->representationParts[$i]; $i++){

		if($i == 0){

			$out .= l(theme('cdm_mediaTypeTerm', $feature), $part->uri, $attributes, NULL, NULL, TRUE, TRUE);

		} else {

			$out .= l('', $part->uri, $attributes, NULL, NULL, TRUE);

		}

	}

	return $out;

}

function theme_cdm_media_mime_text($representation, $feature){

	foreach($representation->parts as $part){

		$attributes = array('title'=> theme('cdm_feature_name', $feature->representation_L10n), 'target'=>'_blank');

		//$attributes = array('title'=>t('original publication'), 'target'=>'_blank');

		$out .= l(theme('cdm_mediaTypeTerm', $feature), $part->uri, $attributes, NULL, NULL, TRUE, TRUE);

	}

	return $out;

}

function theme_cdm_media_caption($media, $elements = array('title', 'description', 'artist', 'location', 'rights'), $fileUri = null){

	$media_metadata = cdm_read_media_metadata($media);

	$out = '<dl class="media-caption">';

	//title

	if($media_metadata['title'] && (!$elements || array_search('title', $elements)!== false)){

		$out .= '<dt class = "title">' . t('Title') . '</dt> <dd class = "title">' . $media_metadata['title'] . '</dd>';

		//unset($media_metadata['title']);

	}

	//description

	if($media_metadata['description'] && (!$elements || array_search('description', $elements)!== false)){

		$out .= '<dt class = "description">' . t('Description') . '</dt> <dd class = "description">' . $media_metadata['description'] . '</dd>';

		//unset($media_metadata['description']);

	}

	//artist

	if($media_metadata['artist'] && (!$elements || array_search('artist', $elements)!== false)){

		//$out .= '<span class = "artist">' . ($media_metadata['artist'] ? 'Artist: ' . $media_metadata['artist'] . '</span>' . '<br>' : '');

		$out .= '<dt class = "artist">' . t('Artist') . '</dt> <dd class = "astist">' . $media_metadata['artist'] . '</dd>';

	}

	//location

	if(!$elements || array_search('location', $elements)!== false){

		$location = '';

		$location .= $media_metadata['location']['sublocation'];

		if ($location && $media_metadata['location']['city']){

			$location .= ', ';

		}

		$location .= $media_metadata['location']['city'];

		if ($location && $media_metadata['location']['province']){

			$location .= ', ';

		}

		$location .= $media_metadata['location']['province'];

		if ($location && $media_metadata['location']['country']){

			$location .= ' (' . $media_metadata['location']['country'] . ')';

		} else {

			$location .= $media_metadata['location']['country'];

		}

		if ($location){

			$out .= '<dt class = "location">' . t('Location') . '</dt> <dd class = "location">' . $location  . '</dd>';

		}

	}

	//rights

	if(!$elements || array_search('rights', $elements)!== false){

		$rights = '';

		//copyrights

		$cnt = count($media_metadata['rights']['copyright']['agentNames']);

		if($cnt > 0){

			$rights .= '<dt class="rights">&copy;</dt> <dd class="rights"> ';

			for($i = 0; $i < $cnt; $i++){

				$rights .= $media_metadata['rights']['copyright']['agentNames'][$i];

				if($i+1 < $cnt){

					$rights .= ' / ';

				}

			}

			$rights .= '</dd>';

		}

		//license

		$cnt = count($media_metadata['rights']['license']['agentNames']);

		if($cnt > 0){

			$rights .= '<dt class ="license">' . t('License') . '</dt> <dd class = "license">';

			for($i = 0; $i < $cnt; $i++){

				$rights .= $media_metadata['rights']['license']['agentNames'][$i];

				if ($i+1 < $cnt){

					$rights .= ' / ';

				}

			}

			$rights .= '</dd>';

		}

		if($rights){

			$out .=  $rights . '</dt>';

		}

	}

	//TODO add all other metadata elemenst generically

	$out .= '</dl>';

	//return value

	return $out;

}

/**

 * @param $mediaList an array of Media entities

 * @param $maxExtend

 * @param $cols

 * @param $maxRows

 * @param $captionElements an array possible values are like in the following example: array('title', 'description', 'file', 'filename'),

 *         to add a link to the caption: array('titlecache', '#uri'=>t('open Image'));

 * @param $mediaLinkType valid values:

 *      "NONE": do not link the images,

 *      "LIGHTBOX": open the link in a light box,

 *      "NORMAL": link to the image page or to the $alternativeMediaUri if it is defined

 * @param $alternativeMediaUri an array of alternative URIs to link the images wich will overwrite the URIs of the media parts.

 *     The order of URI in this array must correspond with the order of images in $mediaList

 * @param $galleryLinkUri an URI to link the the hint on more images to; if null no link is created

 * @return unknown_type

 */

function theme_cdm_media_gallerie($mediaList, $galleryName, $maxExtend = 150, $cols = 4, $maxRows = false, $captionElements = array('title'),

$mediaLinkType = 'LIGHTBOX', $alternativeMediaUri = null, $galleryLinkUri = null ){

	if(!is_array($captionElements)){

		$captionElements = array();

	}

	//TODO correctly handle multiple media representation parts

	$_SESSION['cdm']['last_gallery']= substr($_SERVER['REQUEST_URI'],strpos($_SERVER['REQUEST_URI'], "?q=")+3);

	// prevent from errors

	if(!isset($mediaList[0])){

		return;

	}

	$galleryID = "media_gallery_".$galleryName;

	// prepare media links

	$doLink = false;

	$linkAttributes = null;

	if($mediaLinkType != 'NONE'){

		$doLink = true;

	}

	if($mediaLinkType == 'LIGHTBOX'){

		$doLink = true;

		//_add_js_thickbox();

		//$linkAttributes = array("class"=>"thickbox", "rel"=>"media_gallerie".$galleryName);

		_add_js_lightbox($galleryID);

		$linkAttributes = array("class"=>"lightbox");

	}

	// render the media gallery grid

	$out = '<table id="'.$galleryID.'" class="media_gallery">';

	$out .= '<colgroup>';

	for($c = 0; $c < $cols; $c++){

		$out .= '<col width="'.(100 / $cols).'%">';

	}

	$out .= '</colgroup>';

	for($r = 0; ($r < $maxRows || !$maxRows) && count($mediaList) > 0; $r++){

		$captionParts = array();

		$out .= '<tr>';

		for($c = 0; $c < $cols; $c++){

			$media = array_shift($mediaList);

			if(isset($media->representations[0]->parts[0])){

				$contentTypeDirectory = media_content_type_dir($media->representations[0], 'image');

				$mediaIndex++;

				$mediaPartHtml = theme('cdm_media_gallerie_'.$contentTypeDirectory, $media->representations[0]->parts[0], $maxExtend, TRUE);

				// --- compose Media Link

				$mediaLinkUri = false;

				if($alternativeMediaUri){

					if(isset($alternativeMediaUri[$mediaIndex])){

						$mediaLinkUri = $alternativeMediaUri[$mediaIndex];

					}

					if(is_string($alternativeMediaUri)){

						$mediaLinkUri = $alternativeMediaUri;

					}

				} else {

					$mediaLinkUri = $media->representations[0]->parts[0]->uri;

				}

				// generate gallery caption

				_add_js_ahah();

				$content_url = cdm_compose_url(CDM_WS_PORTAL_MEDIA, $media->uuid);

				$cdm_proxy_url = url('cdm_api/proxy/'.urlencode($content_url)."/cdm_media_caption/".join(',',$captionElements));

				$captionPartHtml = '<div class="ahah-content" rel="'.$cdm_proxy_url.'"><span class="loading" style="display: none;">Loading ....</span></div>';

				// generate & add caption to lightbox

				$lightBoxCaptionElements = null;

				$cdm_proxy_url = url('cdm_api/proxy/'.urlencode($content_url)."/cdm_media_caption"); //.($lightBoxCaptionElements?'/'.join	(',',$lightBoxCaptionElements):''));

				$linkAttributes['alt'] = '<div class="ahah-content" rel="'.$cdm_proxy_url.'"><span class="loading" style="display: none;">Loading ....</span></div>';

				if(isset($captionElements['#uri'])){

					$captionPartHtml .= '<div>'.l($captionElements['#uri'], path_to_media($media->uuid), null, null, null, FALSE, TRUE).'</div>';

				}

				$captionParts[] = $captionPartHtml;

				// --- surround imagePart with link

				if($doLink){

					$mediaPartHtml = l($mediaPartHtml, $mediaLinkUri, $linkAttributes, null, null, FALSE, TRUE);

				}

			} else {

				$mediaPartHtml = '';

				$captionParts[] = '';

			}

			$out .= '<td>'.$mediaPartHtml.'</td>';

		}

		$out .= '</tr>'; // end of media parts

		if(isset($captionElements[0])){

			$out .= '<tr>';

			// add caption row

			foreach($captionParts as $captionPartHtml){

				$out .= '<td>'.$captionPartHtml.'</td>';

			}

			$out .= '</tr>';

		}

	}

	if($galleryLinkUri){

		if(count($mediaList) > 0){

			$moreHtml = count($mediaList).' '.t('more in gallery');

		} else {

			$moreHtml = t('open gallery');

		}

		$moreHtml = l($moreHtml, $galleryLinkUri);

		$out .= '<tr><td colspan="'.$cols.'">'.$moreHtml.'</td></tr>';

	}

	$out .= '</table>';

	return $out;

}

function theme_cdm_media_gallerie_image($mediaRepresentationPart, $maxExtend, $addPassePartout = FALSE, $attributes = null){

	//TODO merge with theme_cdm_media_mime_image?

	if(isset($mediaRepresentationPart)){

		$h = $mediaRepresentationPart->height;

		$w = $mediaRepresentationPart->width;

		if($w == 0 || $h == 0){

			$image_uri = str_replace(' ','%20',$mediaRepresentationPart->uri); //take url and replace spaces

			$imageDimensions = getimagesize_remote($image_uri);

			if(!$imageDimensions){

				return '<div>'.t('Image unavailable, uri:').$mediaRepresentationPart->uri.'</div>';

			}

			$w = $imageDimensions[0];

			$h = $imageDimensions[1];

		}

		$margins = '0 0 0 0';

		$ratio = $w / $h;

		if($ratio > 1){

			$displayHeight = round($maxExtend / $ratio);

			$displayWidth = $maxExtend;

			$m = round(($maxExtend - $displayHeight) / 2);

			$margins = 'margin:'.$m.'px 0 '.$m.'px 0;';

		} else {

			$displayHeight = $maxExtend;

			$displayWidth = round($maxExtend * $ratio);

			$m = round(($maxExtend - $displayWidth) / 2);

			$margins = 'margin:0 '.$m.'px 0 '.$m.'px;';

		}

		// turn attributes array into string

		$attrStr = ' ';

		//$attributes['title'] = 'h:'.$h.', w:'.$w.',ratio:'.$ratio;

		if(is_array($attributes)){

			foreach($attributes as $name=>$value){

				$attrStr .= $name.'="'.$value.'" ';

			}

		}

		//return  '<img src="'."http://wp5.e-taxonomy.eu/dataportal/cichorieae/media/photos/Lapsana_communis_A_01.jpg".'" width="'.$maxExtend.'" height="'.$maxExtend.'" />';

		if($addPassePartout){

			$out .= '<div class="image-passe-partout" style="width:'.$maxExtend.'px; height:'.$maxExtend.'px;">';

		} else {

			// do not add margins if no pass partout is shown

			$margins = '';

		}

		$out .= '<img src="'.$mediaRepresentationPart->uri.'" width="'.$displayWidth.'" height="'.$displayHeight.'" style="'.$margins.'"'.$attrStr.' />';

		if($addPassePartout){

			$out .= '</div>';

		}

		return $out;

	}

}

function theme_cdm_openlayers_image($mediaRepresentationPart, $maxExtend){

	// see http://trac.openlayers.org/wiki/UsingCustomTiles#UsingTilesWithoutaProjection

	// and http://trac.openlayers.org/wiki/SettingZoomLevels

  drupal_add_js(drupal_get_path('module', 'cdm_dataportal').'/js/OpenLayers/OpenLayers.js', 'core', 'header');

  //TODO megre code below with code from theme_cdm_media_gallerie_image

	//var_dump("MEDIA URI: " . $mediaRepresentationPart->uri);

	//TODO merge code below with code from theme_cdm_media_gallerie_image

	$w = $mediaRepresentationPart->width;

	$h = $mediaRepresentationPart->height;

	if($w == 0 || $h == 0){

		$image_uri = str_replace(' ','%20',$mediaRepresentationPart->uri); //take url and replace spaces

		$imageDimensions = getimagesize_remote($image_uri);

		if(!$imageDimensions){

			return '<div>'.t('Image unavailable, uri:').$mediaRepresentationPart->uri.'</div>';

		}

		$w = $imageDimensions[0];

		$h = $imageDimensions[1];

	}

	// calculate  maxResolution (default is 360 deg / 256 px) and the bounds

	if($w > $h){

		$lat = 90;

		$lon = 90 * ($h / $w);

		$maxRes = $w / $maxExtend;

	} else {

		$lat = 90 * ($w / $h);

		$lon = 90;

		$maxRes =  $h / $maxExtend ;

	}

	$maxRes *= 1;

	drupal_add_js('

 var map;

 var imageLayerOptions={

     maxResolution: '.$maxRes.',

     maxExtent: new OpenLayers.Bounds(0, 0, '.$w.', '.$h.')

  };

  var mapOptions={

      controls: 

       [ 

         new OpenLayers.Control.PanZoom(),

         new OpenLayers.Control.Navigation({zoomWheelEnabled: false, handleRightClicks:true, zoomBoxKeyMask: OpenLayers.Handler.MOD_CTRL})

       ],

     restrictedExtent:  new OpenLayers.Bounds(0, 0, '.$w.', '.$h.')

  };

 var graphic = new OpenLayers.Layer.Image(

          \'Image Title\',

          \''.$mediaRepresentationPart->uri.'\',

          new OpenLayers.Bounds(0, 0, '.$w.', '.$h.'),

          new OpenLayers.Size('.$w.', '.$h.'),

          imageLayerOptions

          );

 function init() {

   map = new OpenLayers.Map(\'openlayers_image\', mapOptions);

   map.addLayers([graphic]);

   map.setCenter(new OpenLayers.LonLat(0, 0), 1);

   map.zoomToMaxExtent();

 }

$(document).ready(function(){

  init();

});'

, 'inline');

$out = '<div id="openlayers_image" class="image_viewer" style="width: '.$maxExtend.'px; height:'.($maxExtend).'px"></div>';

return $out;

}

function theme_cdm_preferredImage($media, $defaultRepresentationPart, $imageMaxExtend, $parameters = ''){

	if(isset($media[0])){

		$representationPart = $media[0]->representations[0]->parts[0];

		if($parameters){

			$representationPart->uri.$parameters;

		}

	} else {

		$representationPart = $defaultRepresentationPart;

	}

	//$widthAndHeight = ($imageWidth ? ' width="'.$imageWidth : '').($imageHeight ? '" height="'.$imageHeight : '');

	//  $imageUri = $preferredMedia ? $preferredMedia->representations[0]->parts[0]->uri . $parameters : $defaultImage;

	$attributes = array('alt'=>($preferredMedia ? $preferredMedia->representations[0]->parts[0]->uri : "no image available"));

	$out .= theme('cdm_media_gallerie_image', $representationPart, $imageMaxExtend, false, $attributes);

	// $out = '<img class="left" '.$widthAndHeight.' " src="'.$imageUri.'" alt="'.$altText.'" />';

	return $out;

}