nggfunctions.php | searchcode

/plugins/nextgen-gallery/nggfunctions.php

https://github.com/archives-of-michigan/seekingmichigan.org-Wordpress
PHP | 794 lines | 426 code | 168 blank | 200 comment | 92 complexity | 9a24d0bc725c91773fb3d162353b075d MD5 | raw file
Possible License(s): GPL-2.0

<?php



if(preg_match('#' . basename(__FILE__) . '#', $_SERVER['PHP_SELF'])) { die('You are not allowed to call this page directly.'); }



/**

 * nggShowSlideshow()

 * 

 * @access public 

 * @param integer $galleryID

 * @param integer $irWidth

 * @param integer $irHeight

 * @return the content

 */

function nggShowSlideshow($galleryID, $width, $height) {

	

	require_once (dirname (__FILE__).'/lib/swfobject.php');



	$ngg_options = nggGallery::get_option('ngg_options');



	// remove media file from RSS feed

	if ( is_feed() ) {

		$out = '[' . $ngg_options['galTextSlide'] . ']'; 

		return $out;

	}

	

	// If the Imagerotator didn't exist, skip the output

	if ( NGGALLERY_IREXIST == false ) 

		return;	

		

	if (empty($width) ) $width  = (int) $ngg_options['irWidth'];

	if (empty($height)) $height = (int) $ngg_options['irHeight'];



	// init the flash output

	$swfobject = new swfobject( $ngg_options['irURL'] , 'so' . $galleryID, $width, $height, '7.0.0', 'false');



	$swfobject->message = '<p>'. __('The <a href="http://www.macromedia.com/go/getflashplayer">Flash Player</a> and <a href="http://www.mozilla.com/firefox/">a browser with Javascript support</a> are needed..', 'nggallery').'</p>';

	$swfobject->add_params('wmode', 'opaque');

	$swfobject->add_params('allowfullscreen', 'true');

	$swfobject->add_params('bgcolor', $ngg_options['irScreencolor'], '000000', 'string', '#');

	$swfobject->add_attributes('styleclass', 'slideshow');

	$swfobject->add_attributes('name', 'so' . $galleryID);



	// adding the flash parameter	

	$swfobject->add_flashvars( 'file', NGGALLERY_URLPATH.'xml/imagerotator.php?gid=' . $galleryID );

	$swfobject->add_flashvars( 'shuffle', $ngg_options['irShuffle'], 'true', 'bool');

	$swfobject->add_flashvars( 'linkfromdisplay', $ngg_options['irLinkfromdisplay'], 'false', 'bool');

	$swfobject->add_flashvars( 'shownavigation', $ngg_options['irShownavigation'], 'true', 'bool');

	$swfobject->add_flashvars( 'showicons', $ngg_options['irShowicons'], 'true', 'bool');

	$swfobject->add_flashvars( 'kenburns', $ngg_options['irKenburns'], 'false', 'bool');

	$swfobject->add_flashvars( 'overstretch', $ngg_options['irOverstretch'], 'false', 'string');

	$swfobject->add_flashvars( 'rotatetime', $ngg_options['irRotatetime'], 5, 'int');

	$swfobject->add_flashvars( 'transition', $ngg_options['irTransition'], 'random', 'string');

	$swfobject->add_flashvars( 'backcolor', $ngg_options['irBackcolor'], 'FFFFFF', 'string', '0x');

	$swfobject->add_flashvars( 'frontcolor', $ngg_options['irFrontcolor'], '000000', 'string', '0x');

	$swfobject->add_flashvars( 'lightcolor', $ngg_options['irLightcolor'], '000000', 'string', '0x');

	$swfobject->add_flashvars( 'screencolor', $ngg_options['irScreencolor'], '000000', 'string', '0x');

	if ($ngg_options['irWatermark'])

		$swfobject->add_flashvars( 'logo', $ngg_options['wmPath'], '', 'string'); 

	$swfobject->add_flashvars( 'audio', $ngg_options['irAudio'], '', 'string');

	$swfobject->add_flashvars( 'width', $width, '260');

	$swfobject->add_flashvars( 'height', $height, '320');	

	// create the output

	$out  = '<div class="slideshow">' . $swfobject->output() . '</div>';

	// add now the script code

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

	if ($ngg_options['irXHTMLvalid']) $out .= "\n".'<!--';

	if ($ngg_options['irXHTMLvalid']) $out .= "\n".'//<![CDATA[';

	$out .= $swfobject->javascript();

	if ($ngg_options['irXHTMLvalid']) $out .= "\n".'//]]>';

	if ($ngg_options['irXHTMLvalid']) $out .= "\n".'-->';

	$out .= "\n".'</script>';



	$out = apply_filters('ngg_show_slideshow_content', $out);

			

	return $out;	

}



/**

 * nggShowGallery() - return a gallery  

 * 

 * @access public 

 * @param int $galleryID

 * @param string $template (optional) name for a template file, look for gallery-$template

 * @return the content

 */

function nggShowGallery( $galleryID, $template = '' ) {

	

	global $nggRewrite;



	$ngg_options = nggGallery::get_option('ngg_options');



	//Set sort order value, if not used (upgrade issue)

	$ngg_options['galSort'] = ($ngg_options['galSort']) ? $ngg_options['galSort'] : 'pid';

	$ngg_options['galSortDir'] = ($ngg_options['galSortDir'] == 'DESC') ? 'DESC' : 'ASC';

	

	// get gallery values

	$picturelist = nggdb::get_gallery($galleryID, $ngg_options['galSort'], $ngg_options['galSortDir']);

	

	if ( !$picturelist->gid )

		__('[Gallery not found]','nggallery');

	else

		$galleryID = (int) $picturelist->gid;



	// $_GET from wp_query

	$show    = get_query_var('show');

	$pid     = get_query_var('pid');

	$pageid  = get_query_var('pageid');

	

	// set $show if slideshow first

	if ( empty( $show ) AND ($ngg_options['galShowOrder'] == 'slide')) {

		if (is_home()) $pageid = get_the_ID();

		$show = 'slide';

	}



	// go on only on this page

	if ( !is_home() || $pageid == get_the_ID() ) { 

			

		// 1st look for ImageBrowser link

		if ( !empty($pid) && $ngg_options['galImgBrowser'] )  {

			$out = nggShowImageBrowser( $galleryID, $mode );

			return $out;

		}

		

		// 2nd look for slideshow

		if ( $show == 'slide' ) {

			$args['show'] = "gallery";

			$out  = '<div class="ngg-galleryoverview">';

			$out .= '<div class="slideshowlink"><a class="slideshowlink" href="' . $nggRewrite->get_permalink($args) . '">'.$ngg_options['galTextGallery'].'</a></div>';

			$out .= nggShowSlideshow($galleryID, $ngg_options['irWidth'], $ngg_options['irHeight']);

			$out .= '</div>'."\n";

			$out .= '<div class="ngg-clear"></div>'."\n";

			return $out;

		}

	}



	// get all picture with this galleryid

	if ( is_array($picturelist) )

		$out = nggCreateGallery($picturelist, $galleryID, $template);

	

	$out = apply_filters('ngg_show_gallery_content', $out, intval($galleryID));

	return $out;

}



/**

 * Build a gallery output

 * 

 * @access internal

 * @param array $picturelist

 * @param bool $galleryID, if you supply a gallery ID, you can add a slideshow link

 * @param string $template (optional) name for a template file, look for gallery-$template

 * @return the content

 */

function nggCreateGallery($picturelist, $galleryID = false, $template = '') {

    global $nggRewrite;

    

    $ngg_options = nggGallery::get_option('ngg_options');

	    

    // $_GET from wp_query

	$nggpage  = get_query_var('nggpage');

	$pageid   = get_query_var('pageid');

    

    if ( !is_array($picturelist) )

		$picturelist = array($picturelist);

	

	// Populate galleries values from the first image			

	$first_image = current($picturelist);

	$gallery = new stdclass;

	$gallery->ID = (int) $galleryID;

	$gallery->show_slideshow = false;

	$gallery->name = stripslashes ( $first_image->name  );

	$gallery->title = stripslashes( $first_image->title );

	$gallery->description = html_entity_decode(stripslashes( $first_image->galdesc));

	$gallery->pageid = $first_image->pageid;

	reset($picturelist);



	$maxElement  = $ngg_options['galImages'];

	$thumbwidth  = $ngg_options['thumbwidth'];

	$thumbheight = $ngg_options['thumbheight'];		

	

	// fixed width if needed

	$gallery->columns    = intval($ngg_options['galColumns']);

	$gallery->imagewidth = ($gallery->columns > 0) ? 'style="width:'. floor(100/$gallery->columns) .'%;"' : '';

	

	// set thumb size 

	$thumbsize = '';

	if ($ngg_options['thumbfix'])  $thumbsize = 'width="'.$thumbwidth.'" height="'.$thumbheight.'"';

	if ($ngg_options['thumbcrop']) $thumbsize = 'width="'.$thumbwidth.'" height="'.$thumbwidth.'"';

	

	// show slideshow link

	if ($galleryID) {

		if (($ngg_options['galShowSlide']) AND (NGGALLERY_IREXIST)) {

			$gallery->show_slideshow = true;

			$gallery->slideshow_link = $nggRewrite->get_permalink(array ('show' => "slide"));

			$gallery->slideshow_link_text = $ngg_options['galTextSlide'];

		}

		

		if ($ngg_options['usePicLens']) {

			$gallery->show_piclens = true;

			$gallery->piclens_link = "javascript:PicLensLite.start({feedUrl:'" . htmlspecialchars( nggMediaRss::get_gallery_mrss_url($gallery->ID) ) . "'});";

		}

	}

	

 	// check for page navigation

 	if ($maxElement > 0) {

	 	if ( !is_home() || $pageid == get_the_ID() ) {

	 		$page = ( !empty( $nggpage ) ) ? (int) $nggpage : 1;

		}

		else $page = 1;

		 

	 	$start = $offset = ( $page - 1 ) * $maxElement;

	 	

	 	$total = count($picturelist);

	 	

		// remove the element if we didn't start at the beginning

		if ($start > 0 ) array_splice($picturelist, 0, $start);

		

		// return the list of images we need

		array_splice($picturelist, $maxElement);

	

		$navigation = nggGallery::create_navigation($page, $total, $maxElement);

	} else {

		$navigation = '<div class="ngg-clear">&nbsp;</div>';

	}	

	//var_dump($picturelist);

	foreach ($picturelist as $key => $picture) {

		// choose link between imagebrowser or effect

		$link = ($ngg_options['galImgBrowser']) ? $nggRewrite->get_permalink( array('pid'=>$picture->pid) ) : $picture->imageURL;	

		

		// get the effect code

		if ($galleryID)

			$thumbcode = ($ngg_options['galImgBrowser']) ? '' : $picture->get_thumbcode($picturelist[0]->name);

		else

			$thumbcode = ($ngg_options['galImgBrowser']) ? '' : $picture->get_thumbcode(get_the_title());

		

		// add a filter for the link

		$picturelist[$key]->imageURL = apply_filters('ngg_create_gallery_link', $link, $picture);

		$picturelist[$key]->thumbnailURL = $picture->thumbURL;

		$picturelist[$key]->size = $thumbsize;

		$picturelist[$key]->thumbcode = $thumbcode;

		$picturelist[$key]->description = ( empty($picture->description) ) ? ' ' : htmlspecialchars ( stripslashes($picture->description) );

		$picturelist[$key]->alttext = ( empty($picture->alttext) ) ?  ' ' : htmlspecialchars ( stripslashes($picture->alttext) );

		$picturelist[$key]->caption = ( empty($picture->description) ) ? '&nbsp;' : html_entity_decode( stripslashes($picture->description) );

	}



	// look for gallery-$template.php or pure gallery.php

	$filename = ( empty($template) ) ? 'gallery' : 'gallery-' . $template;



	// create the output

	$out = nggGallery::capture ( $filename, array ('gallery' => $gallery, 'images' => $picturelist, 'pagination' => $navigation) );

	

	// apply a filter after the output

	$out = apply_filters('ngg_gallery_output', $out, $picturelist);

	

	return $out;

}



/**

 * nggShowAlbum() - return a album based on the id

 * 

 * @access public 

 * @param int | string $albumID

 * @param string (optional) $template

 * @return the content

 */

function nggShowAlbum($albumID, $template = 'extend') {

	

	// $_GET from wp_query

	$gallery  = get_query_var('gallery');

	$album    = get_query_var('album');



	// in the case somebody uses the '0', it should be 'all' to show all galleries

	$albumID  = ($albumID == 0) ? 'all' : $albumID;



	// first look for gallery variable 

	if (!empty( $gallery ))  {

		

		if ( ($albumID != $album) && ($albumID != 'all') ) 

			return;

			

		// if gallery is is submit , then show the gallery instead 

		$galleryID = (int) $gallery;

		$out = nggShowGallery($galleryID);

		return $out;

	}

	 

	// lookup in the database

	$album = nggdb::find_album( $albumID );



 	// still no success ? , die !

	if( !$album ) 

		return __('[Album not found]','nggallery');

	

	$mode = ltrim($mode, ',');

	

 	if ( is_array($album->gallery_ids) )

 		$out = nggCreateAlbum( $album->gallery_ids, $template, $album );

	

	$out = apply_filters( 'ngg_show_album_content', $out, $album->id );



	return $out;

}



/**

 * nggCreateAlbum()

 * 

 * @access internal

 * @param array $galleriesID

 * @param string (optional) $template

 * @param object (optional) $album result from the db

 * @return the content

 */

function nggCreateAlbum( $galleriesID, $template = 'extend', $album = 0) {

	// create a gallery overview div

	

	global $wpdb, $nggRewrite;

	

    // $_GET from wp_query

	$nggpage  = get_query_var('nggpage');	

	

	$ngg_options = nggGallery::get_option('ngg_options');

	

	//this option can currently only set via the custom fields

	$maxElement  = (int) $ngg_options['galPagedGalleries'];



	$sortorder = $galleriesID;

	$galleries = array();

	

	// get the galleries information 	

 	foreach ($galleriesID as $i => $value)

   		$galleriesID[$i] = addslashes($value);



 	$unsort_galleries = $wpdb->get_results('SELECT * FROM '.$wpdb->nggallery.' WHERE gid IN (\''.implode('\',\'', $galleriesID).'\')', OBJECT_K);



	//TODO: Check this, problem exist when previewpic = 0 

	//$galleries = $wpdb->get_results('SELECT t.*, tt.* FROM '.$wpdb->nggallery.' AS t INNER JOIN '.$wpdb->nggpictures.' AS tt ON t.previewpic = tt.pid WHERE t.gid IN (\''.implode('\',\'', $galleriesID).'\')', OBJECT_K);



	// get the counter values 	

	$picturesCounter = $wpdb->get_results('SELECT galleryid, COUNT(*) as counter FROM '.$wpdb->nggpictures.' WHERE galleryid IN (\''.implode('\',\'', $galleriesID).'\') AND exclude != 1 GROUP BY galleryid', OBJECT_K);

	if ( is_array($picturesCounter) ) {

	foreach ($picturesCounter as $key => $value)

		$unsort_galleries[$key]->counter = $value->counter;

	}

	

	// get the id's of the preview images

 	$imagesID = array();

 	foreach ($unsort_galleries as $gallery_row)

 		$imagesID[] = $gallery_row->previewpic;

 	$albumPreview = $wpdb->get_results('SELECT pid, filename FROM '.$wpdb->nggpictures.' WHERE pid IN (\''.implode('\',\'', $imagesID).'\')', OBJECT_K);



	// re-order them and populate some 

 	foreach ($sortorder as $key) {

 		$galleries[$key] = $unsort_galleries[$key];

		

		// add the file name and the link 

		if ($galleries[$key]->previewpic  != 0) {

			$galleries[$key]->previewname = $albumPreview[$galleries[$key]->previewpic]->filename;

			$galleries[$key]->previewurl  = get_option ('siteurl').'/' . $galleries[$key]->path . '/thumbs/thumbs_' . $albumPreview[$galleries[$key]->previewpic]->filename;

		} else {

			$first_image = $wpdb->get_row('SELECT * FROM '. $wpdb->nggpictures .' WHERE exclude != 1 AND galleryid = '. $key .' ORDER by pid DESC limit 0,1');

			$galleries[$key]->previewpic  = $first_image->pid;

			$galleries[$key]->previewname = $first_image->filename;

			$galleries[$key]->previewurl  = get_option ('siteurl') . '/' . $galleries[$key]->path . '/thumbs/thumbs_' . $first_image->filename;

		}



		// choose between variable and page link

		if ($ngg_options['galNoPages']) {

			$args['album'] = $album->id; 

			$args['gallery'] = $key;

			$args['nggpage'] = false;

			$galleries[$key]->pagelink = $nggRewrite->get_permalink($args);

			

		} else {

			$galleries[$key]->pagelink = get_permalink( $galleries[$key]->pageid );

		}

		

		// description can contain HTML tags

		$galleries[$key]->galdesc = html_entity_decode ( stripslashes($galleries[$key]->galdesc) ) ;

	}



 	// check for page navigation

 	if ($maxElement > 0) {

	 	if ( !is_home() || $pageid == get_the_ID() ) {

	 		$page = ( !empty( $nggpage ) ) ? (int) $nggpage : 1;

		}

		else $page = 1;

		 

	 	$start = $offset = ( $page - 1 ) * $maxElement;

	 	

	 	$total = count($galleries);

	 	

		// remove the element if we didn't start at the beginning

		if ($start > 0 ) array_splice($galleries, 0, $start);

		

		// return the list of images we need

		array_splice($galleries, $maxElement);

	

		$navigation = nggGallery::create_navigation($page, $total, $maxElement);

	} else {

		$navigation = '<div class="ngg-clear">&nbsp;</div>';

	}



	// if sombody didn't enter any template , take the extend version

	$filename = ( empty($template) ) ? 'album-extend' : 'album-' . $template ;



	// create the output

	$out = nggGallery::capture ( $filename, array ('album' => $album, 'galleries' => $galleries, 'pagination' => $navigation) );



	return $out;

 	

}



/**

 * nggShowImageBrowser()

 * 

 * @access public 

 * @param int|string $galleryID or gallery name

 * @param string $template (optional) name for a template file, look for imagebrowser-$template

 * @return the content

 */

function nggShowImageBrowser($galleryID, $template = '') {

	

	global $wpdb;

	

	$ngg_options = nggGallery::get_option('ngg_options');

	

	//Set sort order value, if not used (upgrade issue)

	$ngg_options['galSort'] = ($ngg_options['galSort']) ? $ngg_options['galSort'] : 'pid';

	$ngg_options['galSortDir'] = ($ngg_options['galSortDir'] == 'DESC') ? 'DESC' : 'ASC';

	

	// get the pictures

	$picturelist = nggdb::get_ids_from_gallery($galleryID, $ngg_options['galSort'], $ngg_options['galSortDir']);

  	

	if ( is_array($picturelist) )

		$out = nggCreateImageBrowser($picturelist, $template);

	else

		$out = __('[Gallery not found]','nggallery');

	

	$out = apply_filters('ngg_show_imagebrowser_content', $out, $galleryID);

	

	return $out;

	

}



/**

 * nggCreateImageBrowser()

 * 

 * @access internal

 * @param array $picarray with pid

 * @param string $template (optional) name for a template file, look for imagebrowser-$template

 * @return the content

 */

function nggCreateImageBrowser($picarray, $template = '') {



	global $nggRewrite;

	

	require_once( dirname (__FILE__) . '/lib/meta.php' );

	

	// $_GET from wp_query

	$pid  = get_query_var('pid');



    if ( !is_array($picarray) )

		$picarray = array($picarray);



	$total = count($picarray);



	// look for gallery variable 

	if ( !empty( $pid )) {

		$act_pid = (int) $pid;

	} else {

		reset($picarray);

		$act_pid = current($picarray);

	}

	

	// get ids for back/next

	$key = array_search($act_pid,$picarray);

	if (!$key) {

		$act_pid = reset($picarray);

		$key = key($picarray);

	}

	$back_pid = ( $key >= 1 ) ? $picarray[$key-1] : end($picarray) ;

	$next_pid = ( $key < ($total-1) ) ? $picarray[$key+1] : reset($picarray) ;

	

	// get the picture data

	$picture = nggdb::find_image($act_pid);

	

	// if we didn't get some data, exit now

	if ($picture == null)

		return;

		

	// add more variables for render output

	$picture->href_link = $picture->get_href_link();

	$picture->previous_image_link = $nggRewrite->get_permalink(array ('pid' => $back_pid));

	$picture->next_image_link  = $nggRewrite->get_permalink(array ('pid' => $next_pid));

	$picture->number = $key + 1;

	$picture->total = $total;

	$picture->linktitle = htmlentities(stripslashes($picture->description));

	$picture->alttext = html_entity_decode(stripslashes($picture->alttext));

	$picture->description = html_entity_decode(stripslashes($picture->description));

	

	// let's get the meta data

	$meta = new nggMeta($picture->imagePath);

	$exif = $meta->get_EXIF();

	$iptc = $meta->get_IPTC();

	$xmp  = $meta->get_XMP();

		

	// look for imagebrowser-$template.php or pure imagebrowser.php

	$filename = ( empty($template) ) ? 'imagebrowser' : 'imagebrowser-' . $template;



	// create the output

	$out = nggGallery::capture ( $filename , array ('image' => $picture , 'meta' => $meta, 'exif' => $exif, 'iptc' => $iptc, 'xmp' => $xmp) );

	

	return $out;

	

}



/**

 * nggSinglePicture() - show a single picture based on the id

 * 

 * @access public 

 * @param int $imageID, db-ID of the image

 * @param int (optional) $width, width of the image

 * @param int (optional) $height, height of the image

 * @param string $mode (optional) could be none, watermark, web20

 * @param string $float (optional) could be none, left, right

 * @param string $template (optional) name for a template file, look for singlepic-$template

 * @param string $caption (optional) additional caption text

 * @return the content

 */

function nggSinglePicture($imageID, $width = 250, $height = 250, $mode = '', $float = '' , $template = '', $caption = '') {

	global $post;

	

	$ngg_options = nggGallery::get_option('ngg_options');

	

	// get picturedata

	$picture = nggdb::find_image($imageID);

	

	// if we didn't get some data, exit now

	if ($picture == null)

		return __('[SinglePic not found]','nggallery');

			

	// add float to img

	switch ($float) {

		

		case 'left': 

			$float =' ngg-left';

		break;

		

		case 'right': 

			$float =' ngg-right';

		break;



		case 'center': 

			$float =' ngg-center';

		break;

		

		default: 

			$float ='';

		break;

	}

	

	// clean mode if needed 

	$mode = ( eregi('web20|watermark', $mode) ) ? $mode : '';



	// check fo cached picture

	if ( ($ngg_options['imgCacheSinglePic']) && ($post->post_status == 'publish') )

		$picture->thumbnailURL = $picture->cached_singlepic_file($width, $height, $mode );

	else

		$picture->thumbnailURL = NGGALLERY_URLPATH . 'nggshow.php?pid=' . $imageID . '&amp;width=' . $width . '&amp;height=' . $height . '&amp;mode=' . $mode;



	// add more variables for render output

	$picture->href_link = $picture->get_href_link();

	$picture->alttext = html_entity_decode(stripslashes($picture->alttext));

	$picture->description = html_entity_decode(stripslashes($picture->description));

	$picture->linktitle = htmlentities(stripslashes($picture->description));

	$picture->classname = 'ngg-singlepic'. $float;

	$picture->thumbcode = $picture->get_thumbcode( 'singlepic' . $imageID);

	$picture->height = (int) $height;

	$picture->width = (int) $width;

	$picture->caption = $caption;



	// let's get the meta data

	$meta = new nggMeta($picture->imagePath);

	$exif = $meta->get_EXIF();

	$iptc = $meta->get_IPTC();

	$xmp  = $meta->get_XMP();

		

	// look for singlepic-$template.php or pure singlepic.php

	$filename = ( empty($template) ) ? 'singlepic' : 'singlepic-' . $template;



	// create the output

	$out = nggGallery::capture ( $filename, array ('image' => $picture , 'meta' => $meta, 'exif' => $exif, 'iptc' => $iptc, 'xmp' => $xmp) );



	$out = apply_filters('ngg_show_singlepic_content', $out, $picture );

	

	return $out;

}



/**

 * nggShowGalleryTags() - create a gallery based on the tags

 * 

 * @access public 

 * @param string $taglist list of tags as csv

 * @return the content

 */

function nggShowGalleryTags($taglist) {	



	// $_GET from wp_query

	$pid  	= get_query_var('pid');

	$pageid = get_query_var('pageid');

	

	// get now the related images

	$picturelist = nggTags::find_images_for_tags($taglist , 'ASC');



	// look for ImageBrowser if we have a $_GET('pid')

	if ( $pageid == get_the_ID() || !is_home() )  

		if (!empty( $pid ))  {

			foreach ($picturelist as $picture) {

				$picarray[] = $picture->pid;

			}

			$out = nggCreateImageBrowser($picarray);

			return $out;

		}



	// go on if not empty

	if ( empty($picturelist) )

		return;

	

	// show gallery

	if ( is_array($picturelist) )

		$out = nggCreateGallery($picturelist, false);

	

	$out = apply_filters('ngg_show_gallery_tags_content', $out, $taglist);

	return $out;

}



/**

 * nggShowRelatedGallery() - create a gallery based on the tags

 * 

 * @access public 

 * @param string $taglist list of tags as csv

 * @param integer $maxImages (optional) limit the number of images to show

 * @return the content

 */ 

function nggShowRelatedGallery($taglist, $maxImages = 0) {

	

	$ngg_options = nggGallery::get_option('ngg_options');

	

	// get now the related images

	$picturelist = nggTags::find_images_for_tags($taglist, 'RAND');



	// go on if not empty

	if ( empty($picturelist) )

		return;

	

	// cut the list to maxImages

	if ( $maxImages > 0 )

		array_splice($picturelist, $maxImages);



 	// *** build the gallery output

	$out   = '<div class="ngg-related-gallery">';

	foreach ($picturelist as $picture) {



		// get the effect code

		$thumbcode = $picture->get_thumbcode( __('Related images for', 'nggallery') . ' ' . get_the_title());



		$out .= '<a href="' . $picture->imageURL . '" title="' . stripslashes($picture->description) . '" ' . $thumbcode . ' >';

		$out .= '<img title="' . stripslashes($picture->alttext) . '" alt="' . stripslashes($picture->alttext) . '" src="' . $picture->thumbURL . '" />';

		$out .= '</a>' . "\n";

	}

	$out .= '</div>' . "\n";

	

	$out = apply_filters('ngg_show_related_gallery_content', $out, $taglist);

	

	return $out;

}



/**

 * nggShowAlbumTags() - create a gallery based on the tags

 * 

 * @access public 

 * @param string $taglist list of tags as csv

 * @return the content

 */

function nggShowAlbumTags($taglist) {

	

	global $wpdb, $nggRewrite;



	// $_GET from wp_query

	$tag  			= get_query_var('gallerytag');

	$pageid 		= get_query_var('pageid');

	

	// look for gallerytag variable 

	if ( $pageid == get_the_ID() || !is_home() )  {

		if (!empty( $tag ))  {

	

			// avoid this evil code $sql = 'SELECT name FROM wp_ngg_tags WHERE slug = \'slug\' union select concat(0x7c,user_login,0x7c,user_pass,0x7c) from wp_users WHERE 1 = 1';

			$slug = attribute_escape( $tag );

			$tagname = $wpdb->get_var( $wpdb->prepare( "SELECT name FROM $wpdb->terms WHERE slug = %s", $slug ) );

			$out  = '<div id="albumnav"><span><a href="' . get_permalink() . '" title="' . __('Overview', 'nggallery') .' ">'.__('Overview', 'nggallery').'</a> | '.$tagname.'</span></div>';

			$out .=  nggShowGalleryTags($slug);

			return $out;

	

		} 

	}

	

	// get now the related images

	$picturelist = nggTags::get_album_images($taglist);



	// go on if not empty

	if ( empty($picturelist) )

		return;

	

	// re-structure the object that we can use the standard template	

	foreach ($picturelist as $key => $picture) {

		$picturelist[$key]->previewpic  = $picture->pid;

		$picturelist[$key]->previewname = $picture->filename;

		$picturelist[$key]->previewurl  = get_option ('siteurl') . '/' . $picture->path . '/thumbs/thumbs_' . $picture->filename;

		$picturelist[$key]->counter     = $picture->count;

		$picturelist[$key]->title     	= $picture->name;

		$picturelist[$key]->pagelink    = $nggRewrite->get_permalink( array('gallerytag'=>$picture->slug) );

	}

		

	//TODO: Add pagination later

	$navigation = '<div class="ngg-clear">&nbsp;</div>';

	

	// create the output

	$out = nggGallery::capture ('album-compact', array ('album' => 0, 'galleries' => $picturelist, 'pagination' => $navigation) );

	

	$out = apply_filters('ngg_show_album_tags_content', $out, $taglist);

	

	return $out;

}



/**

 * nggShowRelatedImages() - return related images based on category or tags

 * 

 * @access public 

 * @param string $type could be 'tags' or 'category'

 * @param integer $maxImages of images

 * @return the content

 */

function nggShowRelatedImages($type = '', $maxImages = 0) {

	$ngg_options = nggGallery::get_option('ngg_options');



	if ($type == '') {

		$type = $ngg_options['appendType'];

		$maxImages = $ngg_options['maxImages'];

	}



	$sluglist = array();



	switch ($type) {

		case 'tags':

			if (function_exists('get_the_tags')) { 

				$taglist = get_the_tags();

				

				if (is_array($taglist)) {

					foreach ($taglist as $tag) {

						$sluglist[] = $tag->slug;

					}

				}

			}

		break;

			

		case 'category':

			$catlist = get_the_category();

			

			if (is_array($catlist)) {

				foreach ($catlist as $cat) {

					$sluglist[] = $cat->category_nicename;

				}

			}

		break;

	}

	

	$sluglist = implode(',', $sluglist);

	$out = nggShowRelatedGallery($sluglist, $maxImages);

	

	return $out;

}



/**

 * Template function for theme authors

 *

 * @access public 

 * @param string  (optional) $type could be 'tags' or 'category'

 * @param integer (optional) $maxNumbers of images

 * @return void

 */

function the_related_images($type = 'tags', $maxNumbers = 7) {

	echo nggShowRelatedImages($type, $maxNumbers);

}



?>