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nggfunctions.php
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<?php
if(preg_match('#' . basename(__FILE__) . '#', $_SERVER['PHP_SELF'])) { die('You are not allowed to call this page directly.'); }
/**
* Return a script for the Imagerotator flash slideshow. Can be used in any template with <?php echo nggShowSlideshow($galleryID, $width, $height) ?>
* Require the script swfobject.js in the header or footer
*
* @access public
* @param integer $galleryID ID of the gallery
* @param integer $irWidth Width of the flash container
* @param integer $irHeight Height of the flash container
* @return the content
*/
function nggShowSlideshow($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() ) {
$out = '[' . nggGallery::i18n($ngg_options['galTextSlide']) . ']';
return $out;
}
//Redirect all calls to the JavaScript slideshow if wanted
if ( $ngg_options['enableIR'] !== '1' || nggGallery::detect_mobile_phone() === true )
return nggShow_JS_Slideshow($galleryID, $width, $height);
// If the Imagerotator didn't exist, skip the output
if ( NGGALLERY_IREXIST == false )
return;
if (empty($width) ) $width = (int) $ngg_options['irWidth'];
if (empty($height)) $height = (int) $ngg_options['irHeight'];
// Doesn't work fine with zero
$ngg_options['irRotatetime'] = ($ngg_options['irRotatetime'] == 0) ? 5 : $ngg_options['irRotatetime'];
// 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'], 'FFFFFF', 'string', '#');
$swfobject->add_attributes('styleclass', 'slideshow');
$swfobject->add_attributes('name', 'so' . $galleryID);
// adding the flash parameter
$swfobject->add_flashvars( 'file', urlencode ( trailingslashit ( home_url() ) . 'index.php?callback=imagerotator&gid=' . $galleryID ) );
$swfobject->add_flashvars( 'shuffle', $ngg_options['irShuffle'], 'true', 'bool');
// option has oposite meaning : true should switch to next image
$swfobject->add_flashvars( 'linkfromdisplay', !$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">';
// load script via jQuery afterwards
// $out .= "\n".'jQuery.getScript( "' . esc_js( includes_url('js/swfobject.js') ) . '", function() {} );';
if ($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, $galleryID, $width, $height);
return $out;
}
/**
* Return a script for the jQuery based slideshow. Can be used in any template with <?php echo nggShow_JS_Slideshow($galleryID, $width, $height) ?>
* Require the script jquery.cycle.all.js
*
* @since 1.6.0
* @access public
* @param integer $galleryID ID of the gallery
* @param integer $width Width of the slideshow container
* @param integer $height Height of the slideshow container
* @param string $class Classname of the div container
* @return the content
*/
function nggShow_JS_Slideshow($galleryID, $width, $height, $class = 'ngg-slideshow') {
global $slideCounter;
$ngg_options = nggGallery::get_option('ngg_options');
// we need to know the current page id
$current_page = (get_the_ID() == false) ? rand(5, 15) : get_the_ID();
// look for a other slideshow instance
if ( !isset($slideCounter) ) $slideCounter = 1;
// create unique anchor
$anchor = 'ngg-slideshow-' . $galleryID . '-' . $current_page . '-' . $slideCounter++;
if (empty($width) ) $width = (int) $ngg_options['irWidth'];
if (empty($height)) $height = (int) $ngg_options['irHeight'];
//filter to resize images for mobile browser
list($width, $height) = apply_filters('ngg_slideshow_size', array( $width, $height ) );
$width = (int) $width;
$height = (int) $height;
$out = '<div id="' . $anchor . '" class="' . $class . '" style="height:' . $height . 'px;width:' . $width . 'px;">';
$out .= "\n". '<div id="' . $anchor . '-loader" class="ngg-slideshow-loader" style="height:' . $height . 'px;width:' . $width . 'px;">';
$out .= "\n". '<img src="'. NGGALLERY_URLPATH . 'images/loader.gif" alt="" />';
$out .= "\n". '</div>';
$out .= '</div>'."\n";
$out .= "\n".'<script type="text/javascript" defer="defer">';
$out .= "\n" . 'jQuery(document).ready(function(){ ' . "\n" . 'jQuery("#' . $anchor . '").nggSlideshow( {' .
'id: ' . $galleryID . ',' .
'fx:"' . $ngg_options['slideFx'] . '",' .
'width:' . $width . ',' .
'height:' . $height . ',' .
'domain: "' . trailingslashit ( home_url() ) . '",' .
'timeout:' . $ngg_options['irRotatetime'] * 1000 .
'});' . "\n" . '});';
$out .= "\n".'</script>';
return $out;
}
/**
* nggShowGallery() - return a gallery
*
* @access public
* @param int | string ID or slug from a gallery
* @param string $template (optional) name for a template file, look for gallery-$template
* @param int $images (optional) number of images per page
* @return the content
*/
function nggShowGallery( $galleryID, $template = '', $images = false ) {
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
//TODO: Use pagination limits here to reduce memory needs
$picturelist = nggdb::get_gallery($galleryID, $ngg_options['galSort'], $ngg_options['galSortDir']);
if ( !$picturelist )
return __('[Gallery not found]','nggallery');
// If we have we slug instead the id, we should extract the ID from the first image
if ( !is_numeric($galleryID) ) {
$first_image = current($picturelist);
$galleryID = intval($first_image->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';
}
// filter to call up the imagebrowser instead of the gallery
// use in your theme : add_action( 'ngg_show_imagebrowser_first', create_function('', 'return true;') );
if ( apply_filters('ngg_show_imagebrowser_first', false, $galleryID ) && $show != 'thumbnails' ) {
$out = nggShowImageBrowser( $galleryID, $template );
return $out;
}
// go on only on this page
if ( !is_home() || $pageid == get_the_ID() ) {
// 1st look for ImageBrowser link
if ( !empty($pid) && $ngg_options['galImgBrowser'] && ($template != 'carousel') ) {
$out = nggShowImageBrowser( $galleryID, $template );
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) . '">'.nggGallery::i18n($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, $images);
$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
* @param int $images (optional) number of images per page
* @return the content
*/
function nggCreateGallery($picturelist, $galleryID = false, $template = '', $images = false) {
global $nggRewrite;
require_once (dirname (__FILE__) . '/lib/media-rss.php');
$ngg_options = nggGallery::get_option('ngg_options');
//the shortcode parameter will override global settings, TODO: rewrite this to a class
$ngg_options['galImages'] = ( $images === false ) ? $ngg_options['galImages'] : (int) $images;
$current_pid = false;
// $_GET from wp_query
$nggpage = get_query_var('nggpage');
$pageid = get_query_var('pageid');
$pid = get_query_var('pid');
// in case of permalinks the pid is a slug, we need the id
if( !is_numeric($pid) && !empty($pid) ) {
$picture = nggdb::find_image($pid);
$pid = $picture->pid;
}
// we need to know the current page id
$current_page = (get_the_ID() == false) ? 0 : get_the_ID();
if ( !is_array($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->show_piclens = 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;
$gallery->anchor = 'ngg-gallery-' . $galleryID . '-' . $current_page;
reset($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) . '%;"' : '';
// obsolete in V1.4.0, but kept for compat reason
// pre set thumbnail size, from the option, later we look for meta data.
$thumbsize = ($ngg_options['thumbfix']) ? $thumbsize = 'width="' . $thumbwidth . '" height="'.$thumbheight . '"' : '';
// show slideshow link
if ($galleryID) {
if ($ngg_options['galShowSlide']) {
$gallery->show_slideshow = true;
$gallery->slideshow_link = $nggRewrite->get_permalink(array ( 'show' => 'slide') );
$gallery->slideshow_link_text = nggGallery::i18n($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 == $current_page )
$page = ( !empty( $nggpage ) ) ? (int) $nggpage : 1;
else
$page = 1;
$start = $offset = ( $page - 1 ) * $maxElement;
$total = count($picturelist);
//we can work with display:hidden for some javascript effects
if (!$ngg_options['galHiddenImg']){
// remove the element if we didn't start at the beginning
if ($start > 0 )
array_splice($picturelist, 0, $start);
// return the list of images we need
array_splice($picturelist, $maxElement);
}
$nggNav = new nggNavigation;
$navigation = $nggNav->create_navigation($page, $total, $maxElement);
} else {
$navigation = '<div class="ngg-clear"></div>';
}
//we cannot use the key as index, cause it's filled with the pid
$index = 0;
foreach ($picturelist as $key => $picture) {
//needed for hidden images (THX to Sweigold for the main idea at : http://wordpress.org/support/topic/228743/ )
$picturelist[$key]->hidden = false;
$picturelist[$key]->style = $gallery->imagewidth;
if ($maxElement > 0 && $ngg_options['galHiddenImg']) {
if ( ($index < $start) || ($index > ($start + $maxElement -1)) ){
$picturelist[$key]->hidden = true;
$picturelist[$key]->style = ($gallery->columns > 0) ? 'style="width:' . floor(100/$gallery->columns) . '%;display: none;"' : 'style="display: none;"';
}
$index++;
}
// get the effect code
if ($galleryID)
$thumbcode = ($ngg_options['galImgBrowser']) ? '' : $picture->get_thumbcode('set_' . $galleryID);
else
$thumbcode = ($ngg_options['galImgBrowser']) ? '' : $picture->get_thumbcode(get_the_title());
// create link for imagebrowser and other effects
$args ['nggpage'] = empty($nggpage) || ($template != 'carousel') ? false : $nggpage; // only needed for carousel mode
$args ['pid'] = ($ngg_options['usePermalinks']) ? $picture->image_slug : $picture->pid;
$picturelist[$key]->pidlink = $nggRewrite->get_permalink( $args );
// generate the thumbnail size if the meta data available
if ( isset($picturelist[$key]->meta_data['thumbnail']) && is_array ($size = $picturelist[$key]->meta_data['thumbnail']) )
$thumbsize = 'width="' . $size['width'] . '" height="' . $size['height'] . '"';
// choose link between imagebrowser or effect
$link = ($ngg_options['galImgBrowser']) ? $picturelist[$key]->pidlink : $picture->imageURL;
// bad solution : for now we need the url always for the carousel, should be reworked in the future
$picturelist[$key]->url = $picture->imageURL;
// 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]->caption = ( empty($picture->description) ) ? ' ' : html_entity_decode ( stripslashes(nggGallery::i18n($picture->description, 'pic_' . $picture->pid . '_description')) );
$picturelist[$key]->description = ( empty($picture->description) ) ? ' ' : htmlspecialchars ( stripslashes(nggGallery::i18n($picture->description, 'pic_' . $picture->pid . '_description')) );
$picturelist[$key]->alttext = ( empty($picture->alttext) ) ? ' ' : htmlspecialchars ( stripslashes(nggGallery::i18n($picture->alttext, 'pic_' . $picture->pid . '_alttext')) );
// filter to add custom content for the output
$picturelist[$key] = apply_filters('ngg_image_object', $picturelist[$key], $picture->pid);
//check if $pid is in the array
if ($picture->pid == $pid)
$current_pid = $picturelist[$key];
}
reset($picturelist);
//for paged galleries, take the first image in the array if it's not in the list
$current_pid = ( empty($current_pid) ) ? current( $picturelist ) : $current_pid;
// look for gallery-$template.php or pure gallery.php
$filename = ( empty($template) ) ? 'gallery' : 'gallery-' . $template;
//filter functions for custom addons
$gallery = apply_filters( 'ngg_gallery_object', $gallery, $galleryID );
$picturelist = apply_filters( 'ngg_picturelist_object', $picturelist, $galleryID );
//additional navigation links
$next = ( empty($nggNav->next) ) ? false : $nggNav->next;
$prev = ( empty($nggNav->prev) ) ? false : $nggNav->prev;
// create the output
$out = nggGallery::capture ( $filename, array ('gallery' => $gallery, 'images' => $picturelist, 'pagination' => $navigation, 'current' => $current_pid, 'next' => $next, 'prev' => $prev) );
// 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
* @param string (optional) $gallery_template
* @return the content
*/
function nggShowAlbum($albumID, $template = 'extend', $gallery_template = '') {
// $_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 )) {
// subalbum support only one instance, you can't use more of them in one post
//TODO: causes problems with SFC plugin, due to a second filter callback
global $wp_current_filter;
if ( isset($GLOBALS['subalbum']) || isset($GLOBALS['nggShowGallery']))
return;
// if gallery is submit , then show the gallery instead
$out = nggShowGallery( $gallery, $gallery_template );
$GLOBALS['nggShowGallery'] = true;
return $out;
}
if ( (empty( $gallery )) && (isset($GLOBALS['subalbum'])) )
return;
//redirect to subalbum only one time
if (!empty( $album )) {
$GLOBALS['subalbum'] = true;
$albumID = $album;
}
// lookup in the database
$album = nggdb::find_album( $albumID );
// still no success ? , die !
if( !$album )
return __('[Album not found]','nggallery');
// ensure to set the slug for "all" albums
$album->slug = ($albumID == 'all') ? $album->id : $album->slug;
if ( is_array($album->gallery_ids) )
$out = nggCreateAlbum( $album->gallery_ids, $template, $album );
$out = apply_filters( 'ngg_show_album_content', $out, $album->id );
return $out;
}
/**
* create a gallery overview output
*
* @access internal
* @param array $galleriesID
* @param string (optional) $template name for a template file, look for album-$template
* @param object (optional) $album result from the db
* @return the content
*/
function nggCreateAlbum( $galleriesID, $template = 'extend', $album = 0) {
global $wpdb, $nggRewrite, $nggdb, $ngg;
// $_GET from wp_query
$nggpage = get_query_var('nggpage');
// Get options
$ngg_options = $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
$imagesID = array();
if ( is_array($unsort_galleries) ) {
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 $key) {
// Create a gallery object
if (isset($unsort_galleries[$key])) $galleries[$key] = $unsort_galleries[$key];
else $galleries[$key] = new stdClass;
//if we have a prefix 'a' then it's a subalbum, instead a gallery
if (substr( $key, 0, 1) == 'a') {
if (($subalbum = $nggdb->find_album(substr($key, 1)))) {
$galleries[$key]->counter = count($subalbum->gallery_ids);
if ($subalbum->previewpic > 0){
$image = $nggdb->find_image( $subalbum->previewpic );
$galleries[$key]->previewurl = isset($image->thumbURL) ? $image->thumbURL : '';
}
$galleries[$key]->previewpic = $subalbum->previewpic;
$galleries[$key]->previewname = $subalbum->name;
//link to the subalbum
$args['album'] = ( $ngg_options['usePermalinks'] ) ? $subalbum->slug : $subalbum->id;
$args['gallery'] = false;
$args['nggpage'] = false;
$pageid = (isset($subalbum->pageid) ? $subalbum->pageid : 0);
$galleries[$key]->pagelink = ($pageid > 0) ? get_permalink($pageid) : $nggRewrite->get_permalink($args);
$galleries[$key]->galdesc = html_entity_decode ( nggGallery::i18n($subalbum->albumdesc) );
$galleries[$key]->title = html_entity_decode ( nggGallery::i18n($subalbum->name) );
}
}
elseif (isset($unsort_galleries[$key])) {
$galleries[$key] = $unsort_galleries[$key];
// No images found, set counter to 0
if (!isset($galleries[$key]->counter)){
$galleries[$key]->counter = 0;
$galleries[$key]->previewurl = '';
}
// add the file name and the link
if ($galleries[$key]->previewpic != 0) {
$galleries[$key]->previewname = $albumPreview[$galleries[$key]->previewpic]->filename;
$galleries[$key]->previewurl = site_url().'/' . $galleries[$key]->path . '/thumbs/thumbs_' . $albumPreview[$galleries[$key]->previewpic]->filename;
} else {
$first_image = $wpdb->get_row('SELECT * FROM '. $wpdb->nggpictures .' WHERE exclude != 1 AND galleryid = '. $key .' ORDER by pid DESC limit 0,1');
if (isset($first_image)) {
$galleries[$key]->previewpic = $first_image->pid;
$galleries[$key]->previewname = $first_image->filename;
$galleries[$key]->previewurl = site_url() . '/' . $galleries[$key]->path . '/thumbs/thumbs_' . $first_image->filename;
}
}
// choose between variable and page link
if ($ngg_options['galNoPages']) {
$args['album'] = ( $ngg_options['usePermalinks'] ) ? $album->slug : $album->id;
$args['gallery'] = ( $ngg_options['usePermalinks'] ) ? $galleries[$key]->slug : $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 ( nggGallery::i18n( stripslashes($galleries[$key]->galdesc), 'gal_' . $galleries[$key]->gid . '_description') ) ;
// i18n
$galleries[$key]->title = html_entity_decode ( nggGallery::i18n( stripslashes($galleries[$key]->title), 'gal_' . $galleries[$key]->gid . '_title') ) ;
}
// apply a filter on gallery object before the output
$galleries[$key] = apply_filters('ngg_album_galleryobject', $galleries[$key]);
}
// apply a filter on gallery object before paging starts
$galleries = apply_filters('ngg_album_galleries_before_paging', $galleries, $album);
// check for page navigation
if ($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);
$nggNav = new nggNavigation;
$navigation = $nggNav->create_navigation($page, $total, $maxElement);
} else {
$navigation = '<div class="ngg-clear"></div>';
}
// apply a filter on $galleries before the output
$galleries = apply_filters('ngg_album_galleries', $galleries);
// 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
$picturelist = nggdb::get_gallery($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 $picturelist
* @param string $template (optional) name for a template file, look for imagebrowser-$template
* @return the content
*/
function nggCreateImageBrowser($picturelist, $template = '') {
global $nggRewrite, $ngg;
require_once( dirname (__FILE__) . '/lib/meta.php' );
// $_GET from wp_query
$pid = get_query_var('pid');
// we need to know the current page id
$current_page = (get_the_ID() == false) ? 0 : get_the_ID();
// create a array with id's for better walk inside
foreach ($picturelist as $picture)
$picarray[] = $picture->pid;
$total = count($picarray);
if ( !empty( $pid )) {
if ( is_numeric($pid) )
$act_pid = intval($pid);
else {
// in the case it's a slug we need to search for the pid
foreach ($picturelist as $key => $picture) {
if ($picture->image_slug == $pid) {
$act_pid = $key;
break;
}
}
}
} else {
reset($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();
$args ['pid'] = ($ngg->options['usePermalinks']) ? $picturelist[$back_pid]->image_slug : $back_pid;
$picture->previous_image_link = $nggRewrite->get_permalink( $args );
$picture->previous_pid = $back_pid;
$args ['pid'] = ($ngg->options['usePermalinks']) ? $picturelist[$next_pid]->image_slug : $next_pid;
$picture->next_image_link = $nggRewrite->get_permalink( $args );
$picture->next_pid = $next_pid;
$picture->number = $key + 1;
$picture->total = $total;
$picture->linktitle = ( empty($picture->description) ) ? ' ' : htmlspecialchars ( stripslashes(nggGallery::i18n($picture->description, 'pic_' . $picture->pid . '_description')) );
$picture->alttext = ( empty($picture->alttext) ) ? ' ' : html_entity_decode ( stripslashes(nggGallery::i18n($picture->alttext, 'pic_' . $picture->pid . '_alttext')) );
$picture->description = ( empty($picture->description) ) ? ' ' : html_entity_decode ( stripslashes(nggGallery::i18n($picture->description, 'pic_' . $picture->pid . '_description')) );
$picture->anchor = 'ngg-imagebrowser-' . $picture->galleryid . '-' . $current_page;
// filter to add custom content for the output
$picture = apply_filters('ngg_image_object', $picture, $act_pid);
// let's get the meta data
$meta = new nggMeta($act_pid);
$meta->sanitize();
$exif = $meta->get_EXIF();
$iptc = $meta->get_IPTC();
$xmp = $meta->get_XMP();
$db = $meta->get_saved_meta();
//if we get no exif information we try the database
$exif = ($exif == false) ? $db : $exif;
// look for imagebrowser-$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, 'db' => $db) );
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
* @param string $link (optional) link to a other url instead the full image
* @return the content
*/
function nggSinglePicture($imageID, $width = 250, $height = 250, $mode = '', $float = '' , $template = '', $caption = '', $link = '') {
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 = ( preg_match('/(web20|watermark)/i', $mode) ) ? $mode : '';
//let's initiate the url
$picture->thumbnailURL = false;
// check fo cached picture
if ( $post->post_status == 'publish' )
$picture->thumbnailURL = $picture->cached_singlepic_file($width, $height, $mode );
// if we didn't use a cached image then we take the on-the-fly mode
if (!$picture->thumbnailURL)
$picture->thumbnailURL = trailingslashit( home_url() ) . 'index.php?callback=image&pid=' . $imageID . '&width=' . $width . '&height=' . $height . '&mode=' . $mode;
// add more variables for render output
$picture->imageURL = ( empty($link) ) ? $picture->imageURL : $link;
$picture->href_link = $picture->get_href_link();
$picture->alttext = html_entity_decode( stripslashes(nggGallery::i18n($picture->alttext, 'pic_' . $picture->pid . '_alttext')) );
$picture->linktitle = htmlspecialchars( stripslashes(nggGallery::i18n($picture->description, 'pic_' . $picture->pid . '_description')) );
$picture->description = html_entity_decode( stripslashes(nggGallery::i18n($picture->description, 'pic_' . $picture->pid . '_description')) );
$picture->classname = 'ngg-singlepic'. $float;
$picture->thumbcode = $picture->get_thumbcode( 'singlepic' . $imageID);
$picture->height = (int) $height;
$picture->width = (int) $width;
$picture->caption = nggGallery::i18n($caption);
// filter to add custom content for the output
$picture = apply_filters('ngg_image_object', $picture, $imageID);
// let's get the meta data
$meta = new nggMeta($imageID);
$meta->sanitize();
$exif = $meta->get_EXIF();
$iptc = $meta->get_IPTC();
$xmp = $meta->get_XMP();
$db = $meta->get_saved_meta();
//if we get no exif information we try the database
$exif = ($exif == false) ? $db : $exif;
// look for singlepic-$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, 'db' => $db) );
$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 )) {
$out = nggCreateImageBrowser( $picturelist );
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="' . $picture->imageURL . '" title="' . stripslashes(nggGallery::i18n($picture->description, 'pic_' . $picture->pid . '_description')) . '" ' . $thumbcode . ' >';
$out .= '<img title="' . stripslashes(nggGallery::i18n($picture->alttext, 'pic_' . $picture->pid . '_alttext')) . '" alt="' . stripslashes(nggGallery::i18n($picture->alttext, 'pic_' . $picture->pid . '_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 = esc_attr( $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 = site_url() . '/' . $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"></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();