/**
* 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;
}
function search_images()
{
global $nggdb;
if (empty($_GET['s'])) {
return;
}
//on what ever reason I need to set again the query var
set_query_var('s', $_GET['s']);
$request = get_search_query();
// look now for the images
$search_for_images = (array) $nggdb->search_for_images($request);
$search_for_tags = (array) nggTags::find_images_for_tags($request, 'ASC');
// finally merge the two results together
$this->search_result = array_merge($search_for_images, $search_for_tags);
// TODO: Currently we didn't support a proper pagination
$nggdb->paged['total_objects'] = $nggdb->paged['objects_per_page'] = count($this->search_result);
$nggdb->paged['max_objects_per_page'] = 1;
// show pictures page
$this->mode = 'edit';
}
function search_images()
{
global $nggdb;
if (empty($_GET['s'])) {
return;
}
//on what ever reason I need to set again the query var
set_query_var('s', $_GET['s']);
$request = get_search_query();
// look now for the images
$this->search_result = array_merge((array) $nggdb->search_for_images($request), (array) nggTags::find_images_for_tags($request, 'ASC'));
// show pictures page
$this->mode = 'edit';
}
function start_process()
{
global $ngg;
if (!$this->valid_access()) {
return;
}
switch ($this->method) {
case 'search':
//search for some images
$this->result['images'] = array_merge((array) nggdb::search_for_images($this->term), (array) nggTags::find_images_for_tags($this->term, 'ASC'));
break;
case 'album':
//search for some album //TODO : Get images for each gallery, could end in a big db query
$this->result['album'] = nggdb::find_album($this->id);
break;
case 'gallery':
//search for some gallery
$this->result['images'] = $this->id == 0 ? nggdb::find_last_images(0, 100) : nggdb::get_gallery($this->id, $ngg->options['galSort'], $ngg->options['galSortDir'], true, 0, 0, true);
break;
case 'image':
//search for some image
$this->result['images'] = nggdb::find_image($this->id);
break;
case 'tag':
//search for images based on tags
$this->result['images'] = nggTags::find_images_for_tags($this->term, 'ASC');
break;
case 'recent':
//search for images based on tags
$this->result['images'] = nggdb::find_last_images(0, $this->limit);
break;
case 'autocomplete':
//return images, galleries or albums for autocomplete drop down list
return $this->autocomplete();
break;
case 'version':
$this->result = array('stat' => 'ok', 'version' => $ngg->version);
return;
break;
default:
$this->result = array('stat' => 'fail', 'code' => '98', 'message' => 'Method not known.');
return false;
break;
}
// result should be fine
$this->result['stat'] = 'ok';
}
/**
* POST action for downloading a bunch of NextGEN gallery images as a ZIP archive
*/
public static function nggDownloadZip()
{
global $nggdb;
// pick up gallery ID and array of image IDs from AJAX request
$images = isset($_REQUEST['pid']) && is_array($_REQUEST['pid']) ? array_map('intval', $_REQUEST['pid']) : false;
$gallery = isset($_REQUEST['gallery']) ? trim(wp_unslash($_REQUEST['gallery'])) : '';
// sanity check
if (!is_object($nggdb)) {
wp_die(__('NextGEN Download Gallery requires NextGEN Gallery or NextCellent Gallery', 'nextgen-download-gallery'));
}
// check for request to download everything
if (!empty($_REQUEST['download-all']) && !empty($_REQUEST['all-id'])) {
$allID = wp_unslash($_REQUEST['all-id']);
if (defined('NEXTGEN_GALLERY_PLUGIN_VERSION')) {
// decode NGG2 encoded query for virtual gallery
$json = base64_decode($allID);
$query = $json ? json_decode($json, true) : false;
// reduce query to permitted fields
$query = $query ? array_intersect_key($query, array_flip(self::getNgg2QueryFields())) : false;
if (!empty($query)) {
$mapper = C_Displayed_Gallery_Mapper::get_instance();
$factory = C_Component_Factory::get_instance();
$displayed_gallery = $factory->create('displayed_gallery', $query, $mapper);
$entities = $displayed_gallery->get_entities(false, false, true);
$images = array();
foreach ($entities as $image) {
$images[] = $image->pid;
}
if (empty($gallery)) {
$gallery = self::getNgg2DownloadTitle($displayed_gallery);
}
}
} else {
$images = $nggdb->get_ids_from_gallery($allID);
}
} else {
if (!empty($_REQUEST['all-tags'])) {
$picturelist = nggTags::find_images_for_tags(wp_unslash($_REQUEST['all-tags']), 'ASC');
$images = array();
foreach ($picturelist as $image) {
$images[] = $image->pid;
}
}
}
// if no gallery name, confect one
if (empty($gallery)) {
$gallery = md5(implode(',', $images));
}
if (is_array($images) && count($images) > 0) {
// allow a long script run for pulling together lots of images
@set_time_limit(HOUR_IN_SECONDS);
// stop/clear any output buffering
while (ob_get_level()) {
ob_end_clean();
}
// turn off compression on the server
if (function_exists('apache_setenv')) {
@apache_setenv('no-gzip', 1);
}
@ini_set('zlib.output_compression', 'Off');
if (!class_exists('PclZip')) {
require ABSPATH . 'wp-admin/includes/class-pclzip.php';
}
$filename = tempnam(get_temp_dir(), 'zip');
$zip = new PclZip($filename);
$files = array();
foreach ($images as $image) {
$image = $nggdb->find_image($image);
if ($image) {
$files[] = apply_filters('ngg_dlgallery_image_path', $image->imagePath, $image);
}
}
if (count($files) > 0) {
// allow other plugins / themes to preprocess files added to the zip archive
$preAddCallback = apply_filters('ngg_dlgallery_zip_pre_add', '__return_true');
// create the Zip archive, without paths or compression (images are generally already compressed)
$properties = $zip->create($files, PCLZIP_OPT_REMOVE_ALL_PATH, PCLZIP_OPT_NO_COMPRESSION, PCLZIP_CB_PRE_ADD, $preAddCallback);
if (!is_array($properties)) {
wp_die($zip->errorInfo(true));
}
unset($zip);
// send the Zip archive to the browser
$zipName = apply_filters('ngg_dlgallery_zip_filename', sanitize_file_name(strtr($gallery, ',', '-')) . '.zip', $gallery);
do_action('ngg_dlgallery_zip_before_send', $zipName, $filename, $images);
header('Content-Description: File Transfer');
header('Content-Type: application/zip');
header('Content-Disposition: attachment; filename=' . $zipName);
header('Content-Transfer-Encoding: binary');
header('Expires: 0');
header('Cache-Control: must-revalidate');
header('Pragma: public');
header('Content-Length: ' . filesize($filename));
$chunksize = 512 * 1024;
$file = @fopen($filename, 'rb');
while (!feof($file)) {
echo @fread($file, $chunksize);
flush();
}
fclose($file);
// check for bug in some old PHP versions, close a second time!
if (is_resource($file)) {
@fclose($file);
}
do_action('ngg_dlgallery_zip_after_send', $zipName, $filename, $images);
// delete the temporary file
@unlink($filename);
exit;
}
// no files, report to user
wp_die(__('No files found to download', 'nextgen-download-gallery'));
}
wp_die(__('No images selected for download', 'nextgen-download-gallery'));
}
function widget($args, $instance)
{
global $wpdb;
extract($args);
// Set params
$title = apply_filters('widget_title', $instance['title']);
$html_id = $this->get_val($instance, 'html_id', 'slider');
$width = $this->get_val_numeric($instance, 'width');
$height = $this->get_val_numeric($instance, 'height');
$order = $this->get_val($instance, 'order', 'asc', false);
$tags = $this->get_val($instance, 'tags');
$shuffle = $this->get_val($instance, 'shuffle');
$limit = $this->get_val_numeric($instance, 'max_pictures');
$center = $this->get_val($instance, 'center');
$gallery = $this->get_val_numeric($instance, 'gallery');
$shortcode = $this->get_val($instance, 'shortcode');
// Set nivo params
$effect = $this->get_val($instance, 'effect');
$slices = $this->get_val($instance, 'slices');
$boxcols = $this->get_val($instance, 'boxcols');
$boxrows = $this->get_val($instance, 'boxrows');
$animspeed = $this->get_val($instance, 'animspeed');
$pausetime = $this->get_val($instance, 'pausetime');
$startslide = $this->get_val($instance, 'startslide');
$directionnav = $this->get_val($instance, 'directionnav');
$directionnavhide = $this->get_val($instance, 'directionnavhide');
$controlnav = $this->get_val($instance, 'controlnav');
$controlnavthumbs = $this->get_val($instance, 'controlnavthumbs');
$thumbswidth = $this->get_val_numeric($instance, 'thumbswidth');
$thumbsheight = $this->get_val_numeric($instance, 'thumbsheight');
$thumbscontainerheight = $this->get_val_numeric($instance, 'thumbscontainerheight');
$thumbsgap = $this->get_val_numeric($instance, 'thumbsgap');
$controlnavthumbsfromrel = $this->get_val($instance, 'controlnavthumbsfromrel');
$controlnavthumbssearch = $this->get_val($instance, 'controlnavthumbssearch');
$controlnavthumbsreplace = $this->get_val($instance, 'controlnavthumbsreplace');
$keyboardnav = $this->get_val($instance, 'keyboardnav');
$pauseonhover = $this->get_val($instance, 'pauseonhover');
$manualadvance = $this->get_val($instance, 'manualadvance');
$captionopacity = $this->get_val($instance, 'captionopacity');
$disablecaptions = $this->get_val($instance, 'disablecaptions');
$beforechange = $this->get_val($instance, 'beforechange', '', false);
$afterchange = $this->get_val($instance, 'afterchange', '', false);
$slideshowend = $this->get_val($instance, 'slideshowend', '', false);
$lastslide = $this->get_val($instance, 'lastslide', '', false);
$afterload = $this->get_val($instance, 'afterload', '', false);
// SQL defaults
$sql_order = '';
$sql_where = ' WHERE exclude = 0';
$sql_limit = '';
// Set SQL order
if ($order == 'random') {
$sql_order = 'RAND()';
} elseif ($order == 'asc') {
$sql_order = 'galleryid ASC';
} elseif ($order == 'desc') {
$sql_order = 'galleryid DESC';
} elseif ($order == 'sortorder') {
$sql_order = 'sortorder ASC';
} else {
$sql_order = 'galleryid ASC';
}
if ($gallery != '') {
$sql_where .= ' AND galleryid = ' . $gallery;
}
// Set limit defaults only it tags are not being used
$num_limit = -1;
if (is_numeric($limit)) {
$num_limit = (int) $limit;
if ($tags == '') {
$sql_limit = ' LIMIT 0, ' . $limit;
}
}
$results = $wpdb->get_results("SELECT * FROM {$wpdb->nggpictures}" . $sql_where . " ORDER BY " . $sql_order . $sql_limit);
$p_size = 0;
if (is_array($results)) {
// Filter by tag if entered
if ($tags != '') {
$tagged_images = nggTags::find_images_for_tags($tags);
if ($tagged_images) {
$tagged_image_ids = array();
foreach ($tagged_images as $image) {
$tagged_image_ids[] = $image->pid;
}
if (sizeof($tagged_image_ids) > 0) {
$filtered_results = array();
$tagged_count = 0;
foreach ($results as $result) {
if ($num_limit != -1 && $tagged_count >= $num_limit) {
break;
} else {
if (in_array($result->pid, $tagged_image_ids)) {
$filtered_results[] = $result;
$tagged_count += 1;
}
}
}
$results = $filtered_results;
}
} else {
$results = array();
}
}
$p_size = count($results);
}
$output = '';
if ($p_size > 0) {
if ($title != '') {
if ($shortcode != '1') {
$output .= "\n" . $before_title . $title . $after_title;
} else {
$output .= "\n<h3>" . $title . "</h3>";
}
}
$has_control_nav = $controlnav == '' || $controlnav == 'true';
$has_thumbs = $controlnavthumbs == 'true' || $controlnavthumbs == 'nextgen_thumbs' || $controlnavthumbs == 'nextgen_original';
$has_center = $center == '1' && $width != '';
if ($width != '' || $height != '') {
$width_s = '';
$height_s = '';
if ($width != '') {
$width_s = "width: " . $width . "px !important;";
}
if ($height != '') {
$height_s = "height: " . $height . "px !important;";
}
$output .= "\n<style type=\"text/css\">";
if ($width_s != '' || $height_s != '') {
$output .= "\n div#" . $html_id . " { " . $width_s . $height_s . " }";
}
if ($width_s != '') {
$output .= "\n div#" . $html_id . "_container .nivo_slider .nivo-controlNav { " . $width_s . " }";
}
if ($has_control_nav && $has_thumbs) {
if ($thumbscontainerheight != '') {
$output .= "\n div#" . $html_id . "_container { padding-bottom: " . $thumbscontainerheight . "px; }";
$output .= "\n div#" . $html_id . "_container .nivo-controlNav { bottom: -" . $thumbscontainerheight . "px; }";
}
if ($thumbsgap != '' || $thumbswidth != '' || $thumbsheight != '') {
$output .= "\n div#" . $html_id . "_container .nivo-controlNav img { ";
if ($thumbsgap != '') {
$output .= "margin-right: " . $thumbsgap . "px;";
}
if ($thumbswidth != '') {
$output .= "width: " . $thumbswidth . "px ;";
}
if ($thumbsheight != '') {
$output .= "height: " . $thumbsheight . "px;";
}
$output .= " }";
}
if ($has_center && $thumbsgap != '') {
$output .= "\n div#" . $html_id . "_container .nivo-controlNav img.first_thumb { margin-left: " . $thumbsgap . "px; }";
}
}
$output .= "\n</style>";
}
$container_class = '';
if ($has_center) {
$container_class = ' nivo_slider_center';
}
if ($has_control_nav) {
if ($has_thumbs) {
$container_class .= ' nivo_slider_controlNavImages';
} else {
$container_class .= ' nivo_slider_controlNavText';
}
}
$output .= "\n<div id=\"" . $html_id . "_container\" class=\"nivo_slider_container" . $container_class . "\">";
$output .= "\n <div id=\"" . $html_id . "\" class=\"nivo_slider\">";
$image_alt = null;
$image_description = null;
foreach ($results as $result) {
$gallery = $wpdb->get_row("SELECT * FROM {$wpdb->nggallery} WHERE gid = '" . $result->galleryid . "'");
foreach ($gallery as $key => $value) {
$result->{$key} = $value;
}
$image = new nggImage($result);
$image_alt = trim($image->alttext);
$image_description = trim($image->description);
$output .= "\n ";
// check that alt is url with a simple validation
$use_url = false;
if ($image_alt != '' && (substr($image_alt, 0, 1) == '/' || substr($image_alt, 0, 4) == 'http' || substr($image_alt, 0, 3) == 'ftp')) {
$use_url = true;
}
if ($use_url != '') {
$output .= "<a href=\"" . esc_attr($image_alt) . "\">";
}
if ($disablecaptions != '1' && $image_description != '') {
$image_description = "title=\"" . $this->quote_fix($image_description) . "\" ";
} else {
$image_description = '';
}
$output .= "<img src=\"" . $image->imageURL . "\" " . $image_description . "class=\"nivo_image\" alt=\"nivo slider image\" />";
if ($use_url != '') {
$output .= "</a>";
}
}
$output .= "\n </div>";
$output .= "\n</div>";
}
// Nivo arguments
$javascript_args = array();
// Modifications if only 1 picture
if ($p_size <= 1) {
$startslide = '0';
$directionnav = 'false';
$controlnav = 'false';
$keyboardnav = 'false';
$pauseonhover = 'false';
$manualadvance = 'false';
$beforechange = '';
$afterchange = '';
$slideshowend = '';
$lastslide = '';
$afterload = '';
}
if ($effect != "") {
$javascript_args[] = "effect: '" . $effect . "'";
}
if ($slices != "") {
$javascript_args[] = "slices: " . $slices . "";
}
if ($boxcols != "") {
$javascript_args[] = "boxCols: " . $boxcols . "";
}
if ($boxrows != "") {
$javascript_args[] = "boxRows: " . $boxrows . "";
}
if ($animspeed != "") {
$javascript_args[] = "animSpeed: " . $animspeed;
}
if ($pausetime != "") {
$javascript_args[] = "pauseTime: " . $pausetime;
}
if ($startslide != "") {
$javascript_args[] = "startSlide: " . $startslide;
}
if ($directionnav != "") {
$javascript_args[] = "directionNav: " . $directionnav;
}
if ($directionnavhide != "") {
$javascript_args[] = "directionNavHide: " . $directionnavhide;
}
if ($controlnav != "") {
$javascript_args[] = "controlNav: " . $controlnav;
}
if ($controlnavthumbs != "") {
$javascript_args[] = "controlNavThumbs: " . ($has_thumbs ? 'true' : 'false');
}
if ($controlnavthumbsfromrel != "") {
$javascript_args[] = "controlNavThumbsFromRel: " . $controlnavthumbsfromrel;
}
if ($controlnavthumbssearch != "") {
$javascript_args[] = "controlNavThumbsSearch: '" . $controlnavthumbssearch . "'";
}
if ($controlnavthumbsreplace != "") {
$javascript_args[] = "controlNavThumbsReplace: '" . $controlnavthumbsreplace . "'";
}
if ($keyboardnav != "") {
$javascript_args[] = "keyboardNav: " . $keyboardnav;
}
if ($pauseonhover != "") {
$javascript_args[] = "pauseOnHover: " . $pauseonhover;
}
if ($manualadvance != "") {
$javascript_args[] = "manualAdvance: " . $manualadvance;
}
if ($captionopacity != "") {
$javascript_args[] = "captionOpacity: " . $captionopacity;
}
if ($beforechange != "") {
$javascript_args[] = "beforeChange: " . $beforechange;
}
if ($afterchange != "") {
$javascript_args[] = "afterChange: " . $afterchange;
}
if ($slideshowend != "") {
$javascript_args[] = "slideshowEnd: " . $slideshowend;
}
if ($lastslide != "") {
$javascript_args[] = "lastSlide: " . $lastslide;
}
if ($afterload != "") {
$javascript_args[] = "afterLoad: " . $afterload;
}
// Add javascript
$output .= "\n<script type=\"text/javascript\">";
$output .= "\n jQuery(window).load(function() {";
// Shuffle results on random order so even if page is cached the order will be different each time
if ($order == 'random' && $shuffle == 'true') {
$output .= "\n jQuery('div#" . $html_id . "').jj_ngg_shuffle();";
}
$output .= "\n jQuery('div#" . $html_id . "').nivoSlider(";
if (count($javascript_args) > 0) {
$output .= "{" . implode(",", $javascript_args) . "}";
}
$output .= ");";
if ($has_control_nav && $has_thumbs) {
if ($controlnavthumbs == 'nextgen_thumbs' || $controlnavthumbs == 'nextgen_original') {
$output .= "\n JJNGGUtils.wordpressThumbs('" . $html_id . "', " . ($controlnavthumbs == 'nextgen_thumbs' ? 'true' : 'false') . ");";
}
if ($has_center && $thumbsgap != '') {
$output .= "\n JJNGGUtils.wordpressThumbsCenterFix('" . $html_id . "');";
}
$output .= "\n jQuery('div#" . $html_id . " div.nivo-controlNav').css('visibility', 'visible');";
}
$output .= "\n });";
$output .= "\n</script>\n";
if ($shortcode != '1') {
echo $before_widget . "\n<ul class=\"ul_jj_slider\">\n <li class=\"li_jj_slider\">" . $output . "\n </li>\n </ul>\n" . $after_widget;
} else {
echo $output;
}
}
