PHP nggAdmin::import_gallery方法代码示例

 /**
  * Import a ZIP file via a upload form or a URL
  * 
  * @class nggAdmin
  * @param int (optional) $galleryID
  * @return bool $result
  */
 function import_zipfile($galleryID)
 {
     global $ngg, $wpdb;
     if (nggWPMU::check_quota()) {
         return false;
     }
     $defaultpath = $ngg->options['gallerypath'];
     $zipurl = $_POST['zipurl'];
     // if someone entered a URL try to upload it
     if (!empty($zipurl) && function_exists('curl_init')) {
         if (!preg_match('/^http(s)?:\\/\\//i', $zipurl)) {
             nggGallery::show_error(__('No valid URL path ', 'nggallery'));
             return false;
         }
         $temp_zipfile = tempnam('/tmp', 'zipimport_');
         $filename = basename($zipurl);
         //Grab the zip via cURL
         $save = fopen($temp_zipfile, "w");
         $ch = curl_init();
         curl_setopt($ch, CURLOPT_FILE, $save);
         curl_setopt($ch, CURLOPT_HEADER, 0);
         curl_setopt($ch, CURLOPT_BINARYTRANSFER, 1);
         curl_setopt($ch, CURLOPT_URL, $zipurl);
         $success = curl_exec($ch);
         if (!$success) {
             nggGallery::show_error(__('Import via cURL failed.', 'nggallery') . ' Error code ' . curl_errno($ch) . ' : ' . curl_error($ch));
         }
         curl_close($ch);
         fclose($save);
         if (!$success) {
             return false;
         }
     } else {
         $temp_zipfile = $_FILES['zipfile']['tmp_name'];
         $filename = $_FILES['zipfile']['name'];
         // Chrome return a empty content-type : http://code.google.com/p/chromium/issues/detail?id=6800
         if (!preg_match('/chrome/i', $_SERVER['HTTP_USER_AGENT'])) {
             // check if file is a zip file
             if (!preg_match('/(zip|download|octet-stream)/i', $_FILES['zipfile']['type'])) {
                 @unlink($temp_zipfile);
                 // del temp file
                 nggGallery::show_error(__('Uploaded file was no or a faulty zip file ! The server recognized : ', 'nggallery') . $_FILES['zipfile']['type']);
                 return false;
             }
         }
     }
     // should this unpacked into a new folder ?
     if ($galleryID == '0') {
         //cleanup and take the zipfile name as folder name
         $foldername = sanitize_title(strtok($filename, '.'));
         $foldername = $defaultpath . $foldername;
     } else {
         // get foldername if selected
         $foldername = $wpdb->get_var("SELECT path FROM {$wpdb->nggallery} WHERE gid = '{$galleryID}' ");
     }
     if (empty($foldername)) {
         nggGallery::show_error(__('Could not get a valid foldername', 'nggallery'));
         return false;
     }
     // set complete folder path
     $newfolder = WINABSPATH . $foldername;
     // check first if the traget folder exist
     if (!is_dir($newfolder)) {
         // create new directories
         if (!wp_mkdir_p($newfolder)) {
             $message = sprintf(__('Unable to create directory %s. Is its parent directory writable by the server?', 'nggallery'), $newfolder);
             nggGallery::show_error($message);
             return false;
         }
         if (!wp_mkdir_p($newfolder . '/thumbs')) {
             nggGallery::show_error(__('Unable to create directory ', 'nggallery') . $newfolder . '/thumbs !');
             return false;
         }
     }
     // unzip and del temp file
     $result = nggAdmin::unzip($newfolder, $temp_zipfile);
     @unlink($temp_zipfile);
     if ($result) {
         $message = __('Zip-File successfully unpacked', 'nggallery') . '<br />';
         // parse now the folder and add to database
         $message .= nggAdmin::import_gallery($foldername);
         nggGallery::show_message($message);
     }
     return true;
 }

 /**
  * Perform the upload and add a new hook for plugins
  * 
  * @return void
  */
 function processor()
 {
     global $wpdb, $ngg, $nggdb;
     $defaultpath = $ngg->options['gallerypath'];
     if (isset($_POST['addgallery'])) {
         check_admin_referer('ngg_addgallery');
         if (!nggGallery::current_user_can('NextGEN Add new gallery')) {
             wp_die(__('Cheatin’ uh?'));
         }
         $newgallery = esc_attr($_POST['galleryname']);
         if (!empty($newgallery)) {
             nggAdmin::create_gallery($newgallery, $defaultpath);
         }
     }
     if (isset($_POST['zipupload'])) {
         check_admin_referer('ngg_addgallery');
         if (!nggGallery::current_user_can('NextGEN Upload a zip')) {
             wp_die(__('Cheatin’ uh?'));
         }
         if ($_FILES['zipfile']['error'] == 0 || !empty($_POST['zipurl'])) {
             nggAdmin::import_zipfile(intval($_POST['zipgalselect']));
         } else {
             nggGallery::show_error(__('Upload failed!', 'nggallery'));
         }
     }
     if (isset($_POST['importfolder'])) {
         check_admin_referer('ngg_addgallery');
         if (!nggGallery::current_user_can('NextGEN Import image folder')) {
             wp_die(__('Cheatin’ uh?'));
         }
         $galleryfolder = $_POST['galleryfolder'];
         if (!empty($galleryfolder) and $defaultpath != $galleryfolder) {
             nggAdmin::import_gallery($galleryfolder);
         }
     }
     if (isset($_POST['uploadimage'])) {
         check_admin_referer('ngg_addgallery');
         if (!nggGallery::current_user_can('NextGEN Upload in all galleries')) {
             wp_die(__('Cheatin’ uh?'));
         }
         if ($_FILES['imagefiles']['error'][0] == 0) {
             $messagetext = nggAdmin::upload_images();
         } else {
             nggGallery::show_error(__('Upload failed! ' . nggAdmin::decode_upload_error($_FILES['imagefiles']['error'][0]), 'nggallery'));
         }
     }
     if (isset($_POST['swf_callback'])) {
         if ($_POST['galleryselect'] == '0') {
             nggGallery::show_error(__('No gallery selected !', 'nggallery'));
         } else {
             if ($_POST['swf_callback'] == '-1') {
                 nggGallery::show_error(__('Upload failed! ', 'nggallery'));
             } else {
                 $gallery = $nggdb->find_gallery((int) $_POST['galleryselect']);
                 nggAdmin::import_gallery($gallery->path);
             }
         }
     }
     if (isset($_POST['disable_flash'])) {
         check_admin_referer('ngg_addgallery');
         $ngg->options['swfUpload'] = false;
         update_option('ngg_options', $ngg->options);
     }
     if (isset($_POST['enable_flash'])) {
         check_admin_referer('ngg_addgallery');
         $ngg->options['swfUpload'] = true;
         update_option('ngg_options', $ngg->options);
     }
     do_action('ngg_update_addgallery_page');
 }

//.........这里部分代码省略.........
         }
     }
     if (isset($_POST['TB_bulkaction']) && isset($_POST['TB_EditTags'])) {
         // do tags update
         check_admin_referer('ngg_thickbox_form');
         // get the images list
         $pic_ids = explode(',', $_POST['TB_imagelist']);
         $taglist = explode(',', $_POST['taglist']);
         $taglist = array_map('trim', $taglist);
         if (is_array($pic_ids)) {
             foreach ($pic_ids as $pic_id) {
                 // which action should be performed ?
                 switch ($_POST['TB_bulkaction']) {
                     case 'no_action':
                         // No action
                         break;
                     case 'overwrite_tags':
                         // Overwrite tags
                         wp_set_object_terms($pic_id, $taglist, 'ngg_tag');
                         break;
                     case 'add_tags':
                         // Add / append tags
                         wp_set_object_terms($pic_id, $taglist, 'ngg_tag', TRUE);
                         break;
                     case 'delete_tags':
                         // Delete tags
                         $oldtags = wp_get_object_terms($pic_id, 'ngg_tag', 'fields=names');
                         // get the slugs, to vaoid  case sensitive problems
                         $slugarray = array_map('sanitize_title', $taglist);
                         $oldtags = array_map('sanitize_title', $oldtags);
                         // compare them and return the diff
                         $newtags = array_diff($oldtags, $slugarray);
                         wp_set_object_terms($pic_id, $newtags, 'ngg_tag');
                         break;
                 }
             }
             nggGallery::show_message(__('Tags changed', 'nggallery'));
         }
     }
     if (isset($_POST['updatepictures'])) {
         // Update pictures
         check_admin_referer('ngg_updategallery');
         if (nggGallery::current_user_can('NextGEN Edit gallery options') && !isset($_GET['s'])) {
             if (nggGallery::current_user_can('NextGEN Edit gallery title')) {
                 // don't forget to update the slug
                 $slug = nggdb::get_unique_slug(sanitize_title($_POST['title']), 'gallery', $this->gid);
                 $wpdb->query($wpdb->prepare("UPDATE {$wpdb->nggallery} SET title= '%s', slug= '%s' WHERE gid = %d", esc_attr($_POST['title']), $slug, $this->gid));
             }
             if (nggGallery::current_user_can('NextGEN Edit gallery path')) {
                 $wpdb->query($wpdb->prepare("UPDATE {$wpdb->nggallery} SET path= '%s' WHERE gid = %d", untrailingslashit(str_replace('\\', '/', trim(stripslashes($_POST['path'])))), $this->gid));
             }
             if (nggGallery::current_user_can('NextGEN Edit gallery description')) {
                 $wpdb->query($wpdb->prepare("UPDATE {$wpdb->nggallery} SET galdesc= '%s' WHERE gid = %d", esc_attr($_POST['gallerydesc']), $this->gid));
             }
             if (nggGallery::current_user_can('NextGEN Edit gallery page id')) {
                 $wpdb->query($wpdb->prepare("UPDATE {$wpdb->nggallery} SET pageid= '%d' WHERE gid = %d", (int) $_POST['pageid'], $this->gid));
             }
             if (nggGallery::current_user_can('NextGEN Edit gallery preview pic')) {
                 $wpdb->query($wpdb->prepare("UPDATE {$wpdb->nggallery} SET previewpic= '%d' WHERE gid = %d", (int) $_POST['previewpic'], $this->gid));
             }
             if (isset($_POST['author']) && nggGallery::current_user_can('NextGEN Edit gallery author')) {
                 $wpdb->query($wpdb->prepare("UPDATE {$wpdb->nggallery} SET author= '%d' WHERE gid = %d", (int) $_POST['author'], $this->gid));
             }
             wp_cache_delete($this->gid, 'ngg_gallery');
         }
         $this->update_pictures();
         //hook for other plugin to update the fields
         do_action('ngg_update_gallery', $this->gid, $_POST);
         nggGallery::show_message(__('Update successful', "nggallery"));
     }
     if (isset($_POST['scanfolder'])) {
         // Rescan folder
         check_admin_referer('ngg_updategallery');
         $gallerypath = $wpdb->get_var("SELECT path FROM {$wpdb->nggallery} WHERE gid = '{$this->gid}' ");
         nggAdmin::import_gallery($gallerypath);
     }
     if (isset($_POST['addnewpage'])) {
         // Add a new page
         check_admin_referer('ngg_updategallery');
         $parent_id = esc_attr($_POST['parent_id']);
         $gallery_title = esc_attr($_POST['title']);
         $gallery_name = $wpdb->get_var("SELECT name FROM {$wpdb->nggallery} WHERE gid = '{$this->gid}' ");
         // Create a WP page
         global $user_ID;
         $page['post_type'] = 'page';
         $page['post_content'] = '[nggallery id=' . $this->gid . ']';
         $page['post_parent'] = $parent_id;
         $page['post_author'] = $user_ID;
         $page['post_status'] = 'publish';
         $page['post_title'] = $gallery_title == '' ? $gallery_name : $gallery_title;
         $page = apply_filters('ngg_add_new_page', $page, $this->gid);
         $gallery_pageid = wp_insert_post($page);
         if ($gallery_pageid != 0) {
             $result = $wpdb->query("UPDATE {$wpdb->nggallery} SET title= '{$gallery_title}', pageid = '{$gallery_pageid}' WHERE gid = '{$this->gid}'");
             wp_cache_delete($this->gid, 'ngg_gallery');
             nggGallery::show_message(__('New gallery page ID', 'nggallery') . ' ' . $gallery_pageid . ' -> <strong>' . $gallery_title . '</strong> ' . __('created', 'nggallery'));
         }
         do_action('ngg_gallery_addnewpage', $this->gid);
     }
 }

//.........这里部分代码省略.........
         }
     }
     if (isset($_POST['TB_bulkaction']) && isset($_POST['TB_EditTags'])) {
         // do tags update
         check_admin_referer('ngg_thickbox_form');
         // get the images list
         $pic_ids = explode(',', $_POST['TB_imagelist']);
         $taglist = explode(',', $_POST['taglist']);
         $taglist = array_map('trim', $taglist);
         if (is_array($pic_ids)) {
             foreach ($pic_ids as $pic_id) {
                 // which action should be performed ?
                 switch ($_POST['TB_bulkaction']) {
                     case 'no_action':
                         // No action
                         break;
                     case 'overwrite_tags':
                         // Overwrite tags
                         wp_set_object_terms($pic_id, $taglist, 'ngg_tag');
                         break;
                     case 'add_tags':
                         // Add / append tags
                         wp_set_object_terms($pic_id, $taglist, 'ngg_tag', TRUE);
                         break;
                     case 'delete_tags':
                         // Delete tags
                         $oldtags = wp_get_object_terms($pic_id, 'ngg_tag', 'fields=names');
                         // get the slugs, to vaoid  case sensitive problems
                         $slugarray = array_map('sanitize_title', $taglist);
                         $oldtags = array_map('sanitize_title', $oldtags);
                         // compare them and return the diff
                         $newtags = array_diff($oldtags, $slugarray);
                         wp_set_object_terms($pic_id, $newtags, 'ngg_tag');
                         break;
                 }
             }
             nggGallery::show_message(__('Tags changed', 'nggallery'));
         }
     }
     if (isset($_POST['updatepictures'])) {
         // Update pictures
         check_admin_referer('ngg_updategallery');
         if (nggGallery::current_user_can('NextGEN Edit gallery options') && !isset($_GET['s'])) {
             $tags = array('<a>', '<abbr>', '<acronym>', '<address>', '<b>', '<base>', '<basefont>', '<big>', '<blockquote>', '<br>', '<br/>', '<caption>', '<center>', '<cite>', '<code>', '<col>', '<colgroup>', '<dd>', '<del>', '<dfn>', '<dir>', '<div>', '<dl>', '<dt>', '<em>', '<fieldset>', '<font>', '<h1>', '<h2>', '<h3>', '<h4>', '<h5>', '<h6>', '<hr>', '<i>', '<ins>', '<label>', '<legend>', '<li>', '<menu>', '<noframes>', '<noscript>', '<ol>', '<optgroup>', '<option>', '<p>', '<pre>', '<q>', '<s>', '<samp>', '<select>', '<small>', '<span>', '<strike>', '<strong>', '<sub>', '<sup>', '<table>', '<tbody>', '<td>', '<tfoot>', '<th>', '<thead>', '<tr>', '<tt>', '<u>', '<ul>');
             $fields = array('title', 'galdesc');
             // Sanitize fields
             foreach ($fields as $field) {
                 $html = $_POST[$field];
                 $html = preg_replace('/\\s+on\\w+=(["\']).*?\\1/i', '', $html);
                 $html = preg_replace('/(<\\/[^>]+?>)(<[^>\\/][^>]*?>)/', '$1 $2', $html);
                 $html = strip_tags($html, implode('', $tags));
                 $_POST[$field] = $html;
             }
             // Update the gallery
             $mapper = C_Gallery_Mapper::get_instance();
             if ($entity = $mapper->find($this->gid)) {
                 foreach ($_POST as $key => $value) {
                     $entity->{$key} = $value;
                 }
                 $mapper->save($entity);
             }
             wp_cache_delete($this->gid, 'ngg_gallery');
         }
         $this->update_pictures();
         //hook for other plugin to update the fields
         do_action('ngg_update_gallery', $this->gid, $_POST);
         nggGallery::show_message(__('Update successful', 'nggallery'));
     }
     if (isset($_POST['scanfolder'])) {
         // Rescan folder
         check_admin_referer('ngg_updategallery');
         $gallerypath = $wpdb->get_var("SELECT path FROM {$wpdb->nggallery} WHERE gid = '{$this->gid}' ");
         nggAdmin::import_gallery($gallerypath, $this->gid);
     }
     // Add a new page
     if (isset($_POST['addnewpage'])) {
         check_admin_referer('ngg_updategallery');
         $parent_id = esc_attr($_POST['parent_id']);
         $gallery_title = esc_attr($_POST['title']);
         $mapper = C_Gallery_Mapper::get_instance();
         $gallery = $mapper->find($this->gid);
         $gallery_name = $gallery->name;
         // Create a WP page
         global $user_ID;
         $page['post_type'] = 'page';
         $page['post_content'] = apply_filters('ngg_add_page_shortcode', '[nggallery id="' . $this->gid . '"]');
         $page['post_parent'] = $parent_id;
         $page['post_author'] = $user_ID;
         $page['post_status'] = 'publish';
         $page['post_title'] = $gallery_title == '' ? $gallery_name : $gallery_title;
         $page = apply_filters('ngg_add_new_page', $page, $this->gid);
         $gallery_pageid = wp_insert_post($page);
         if ($gallery_pageid != 0) {
             $gallery->pageid = $gallery_pageid;
             $mapper->save($gallery);
             nggGallery::show_message(__('New gallery page ID', 'nggallery') . ' ' . $gallery_pageid . ' -> <strong>' . $gallery_title . '</strong> ' . __('created', 'nggallery'));
         }
         do_action('ngg_gallery_addnewpage', $this->gid);
     }
 }

function nggallery_admin_add_gallery()
{
    global $wpdb, $ngg;
    // same as $_SERVER['REQUEST_URI'], but should work under IIS 6.0
    $filepath = admin_url() . 'admin.php?page=' . $_GET['page'];
    // link for the flash file
    $swf_upload_link = NGGALLERY_URLPATH . 'admin/upload.php';
    $swf_upload_link = wp_nonce_url($swf_upload_link, 'ngg_swfupload');
    //flash doesn't seem to like encoded ampersands, so convert them back here
    $swf_upload_link = str_replace('&', '&', $swf_upload_link);
    $defaultpath = $ngg->options['gallerypath'];
    if ($_POST['addgallery']) {
        check_admin_referer('ngg_addgallery');
        $newgallery = attribute_escape($_POST['galleryname']);
        if (!empty($newgallery)) {
            nggAdmin::create_gallery($newgallery, $defaultpath);
        }
    }
    if ($_POST['zipupload']) {
        check_admin_referer('ngg_addgallery');
        if ($_FILES['zipfile']['error'] == 0) {
            $messagetext = nggAdmin::import_zipfile(intval($_POST['zipgalselect']));
        } else {
            nggGallery::show_error(__('Upload failed!', 'nggallery'));
        }
    }
    if ($_POST['importfolder']) {
        check_admin_referer('ngg_addgallery');
        $galleryfolder = $_POST['galleryfolder'];
        if (!empty($galleryfolder) and $defaultpath != $galleryfolder) {
            nggAdmin::import_gallery($galleryfolder);
        }
    }
    if ($_POST['uploadimage']) {
        check_admin_referer('ngg_addgallery');
        if ($_FILES['MF__F_0_0']['error'] == 0) {
            $messagetext = nggAdmin::upload_images();
        } else {
            nggGallery::show_error(__('Upload failed!', 'nggallery'));
        }
    }
    if (isset($_POST['swf_callback'])) {
        if ($_POST['galleryselect'] == "0") {
            nggGallery::show_error(__('No gallery selected !', 'nggallery'));
        } else {
            // get the path to the gallery
            $galleryID = (int) $_POST['galleryselect'];
            $gallerypath = $wpdb->get_var("SELECT path FROM {$wpdb->nggallery} WHERE gid = '{$galleryID}' ");
            nggAdmin::import_gallery($gallerypath);
        }
    }
    if (isset($_POST['disable_flash'])) {
        check_admin_referer('ngg_addgallery');
        $ngg->options['swfUpload'] = false;
        update_option('ngg_options', $ngg->options);
    }
    if (isset($_POST['enable_flash'])) {
        check_admin_referer('ngg_addgallery');
        $ngg->options['swfUpload'] = true;
        update_option('ngg_options', $ngg->options);
    }
    //get all galleries (after we added new ones)
    $gallerylist = nggdb::find_all_galleries();
    ?>
	
	<?php 
    if ($ngg->options['swfUpload']) {
        ?>
	<!-- SWFUpload script -->
	<script type="text/javascript">
		var ngg_swf_upload;
			
		window.onload = function () {
			ngg_swf_upload = new SWFUpload({
				// Backend settings
				upload_url : "<?php 
        echo $swf_upload_link;
        ?>
",
				flash_url : "<?php 
        echo NGGALLERY_URLPATH;
        ?>
admin/js/swfupload.swf",
				
				// Button Settings
				button_placeholder_id : "spanButtonPlaceholder",
				button_width: 300,
				button_height: 27,
				button_window_mode: SWFUpload.WINDOW_MODE.TRANSPARENT,
				button_cursor: SWFUpload.CURSOR.HAND,
								
				// File Upload Settings
				file_size_limit : "<?php 
        echo wp_max_upload_size();
        ?>
b",
				file_types : "*.jpg;*.gif;*.png",
				file_types_description : "<?php 
        _e('Image Files', 'nggallery');
        ?>
//.........这里部分代码省略.........

 function import_zipfile($galleryID)
 {
     global $ngg, $wpdb;
     if (nggAdmin::check_quota()) {
         return false;
     }
     $defaultpath = $ngg->options['gallerypath'];
     $temp_zipfile = $_FILES['zipfile']['tmp_name'];
     $filename = $_FILES['zipfile']['name'];
     // check if file is a zip file
     if (!eregi('zip|download|octet-stream', $_FILES['zipfile']['type'])) {
         @unlink($temp_zipfile);
         // del temp file
         nggGallery::show_error(__('Uploaded file was no or a faulty zip file ! The server recognize : ', 'nggallery') . $_FILES['zipfile']['type']);
         return false;
     }
     // should this unpacked into a new folder ?
     if ($galleryID == '0') {
         //cleanup and take the zipfile name as folder name
         $foldername = sanitize_title(strtok($filename, '.'));
         $foldername = $defaultpath . $foldername;
     } else {
         // get foldername if selected
         $foldername = $wpdb->get_var("SELECT path FROM {$wpdb->nggallery} WHERE gid = '{$galleryID}' ");
     }
     if (empty($foldername)) {
         nggGallery::show_error(__('Could not get a valid foldername', 'nggallery'));
         return false;
     }
     // set complete folder path
     $newfolder = WINABSPATH . $foldername;
     // check first if the traget folder exist
     if (!is_dir($newfolder)) {
         // create new directories
         if (!wp_mkdir_p($newfolder)) {
             $message = sprintf(__('Unable to create directory %s. Is its parent directory writable by the server?', 'nggallery'), $newfolder);
             nggGallery::show_error($message);
             return false;
         }
         if (!wp_mkdir_p($newfolder . '/thumbs')) {
             nggGallery::show_error(__('Unable to create directory ', 'nggallery') . $newfolder . '/thumbs !');
             return false;
         }
     }
     // unzip and del temp file
     $result = nggAdmin::unzip($newfolder, $temp_zipfile);
     @unlink($temp_zipfile);
     if ($result) {
         $message = __('Zip-File successfully unpacked', 'nggallery') . '<br />';
         // parse now the folder and add to database
         $message .= nggAdmin::import_gallery($foldername);
         nggGallery::show_message($message);
     }
     return true;
 }

//.........这里部分代码省略.........
                 break;
             case 'move_to':
                 // Move images
                 nggAdmin::move_images($pic_ids, $dest_gid);
                 break;
         }
     }
     if (isset($_POST['TB_bulkaction']) && isset($_POST['TB_EditTags'])) {
         // do tags update
         check_admin_referer('ngg_thickbox_form');
         // get the images list
         $pic_ids = explode(",", $_POST['TB_imagelist']);
         $taglist = explode(",", $_POST['taglist']);
         $taglist = array_map('trim', $taglist);
         if (is_array($pic_ids)) {
             foreach ($pic_ids as $pic_id) {
                 // which action should be performed ?
                 switch ($_POST['TB_bulkaction']) {
                     case 'no_action':
                         // No action
                         break;
                     case 'overwrite_tags':
                         // Overwrite tags
                         wp_set_object_terms($pic_id, $taglist, 'ngg_tag');
                         break;
                     case 'add_tags':
                         // Add / append tags
                         wp_set_object_terms($pic_id, $taglist, 'ngg_tag', TRUE);
                         break;
                     case 'delte_tags':
                         // Delete tags
                         $oldtags = wp_get_object_terms($pic_id, 'ngg_tag', 'fields=names');
                         // get the slugs, to vaoid  case sensitive problems
                         $slugarray = array_map('sanitize_title', $taglist);
                         $oldtags = array_map('sanitize_title', $oldtags);
                         // compare them and return the diff
                         $newtags = array_diff($oldtags, $slugarray);
                         wp_set_object_terms($pic_id, $newtags, 'ngg_tag');
                         break;
                 }
             }
             nggGallery::show_message(__('Tags changed', "nggallery"));
         }
     }
     if (isset($_POST['updatepictures'])) {
         // Update pictures
         check_admin_referer('ngg_updategallery');
         $gallery_title = attribute_escape($_POST['title']);
         $gallery_path = attribute_escape($_POST['path']);
         $gallery_desc = attribute_escape($_POST['gallerydesc']);
         $gallery_pageid = (int) $_POST['pageid'];
         $gallery_preview = (int) $_POST['previewpic'];
         $wpdb->query("UPDATE {$wpdb->nggallery} SET title= '{$gallery_title}', path= '{$gallery_path}', galdesc = '{$gallery_desc}', pageid = '{$gallery_pageid}', previewpic = '{$gallery_preview}' WHERE gid = '{$this->gid}'");
         if (isset($_POST['author'])) {
             $gallery_author = (int) $_POST['author'];
             $wpdb->query("UPDATE {$wpdb->nggallery} SET author = '{$gallery_author}' WHERE gid = '{$this->gid}'");
         }
         if ($this->showTags) {
             $this->update_tags();
         } else {
             $this->update_pictures();
         }
         //hook for other plugin to update the fields
         do_action('ngg_update_gallery', $this->gid, $_POST);
         nggGallery::show_message(__('Update successful', "nggallery"));
     }
     if (isset($_POST['scanfolder'])) {
         // Rescan folder
         check_admin_referer('ngg_updategallery');
         $gallerypath = $wpdb->get_var("SELECT path FROM {$wpdb->nggallery} WHERE gid = '{$this->gid}' ");
         nggAdmin::import_gallery($gallerypath);
     }
     if (isset($_POST['addnewpage'])) {
         // Add a new page
         check_admin_referer('ngg_updategallery');
         $parent_id = attribute_escape($_POST['parent_id']);
         $gallery_title = attribute_escape($_POST['title']);
         $gallery_name = $wpdb->get_var("SELECT name FROM {$wpdb->nggallery} WHERE gid = '{$this->gid}' ");
         // Create a WP page
         global $user_ID;
         $page['post_type'] = 'page';
         $page['post_content'] = '[nggallery id=' . $this->gid . ']';
         $page['post_parent'] = $parent_id;
         $page['post_author'] = $user_ID;
         $page['post_status'] = 'publish';
         $page['post_title'] = $gallery_title == '' ? $gallery_name : $gallery_title;
         $gallery_pageid = wp_insert_post($page);
         if ($gallery_pageid != 0) {
             $result = $wpdb->query("UPDATE {$wpdb->nggallery} SET title= '{$gallery_title}', pageid = '{$gallery_pageid}' WHERE gid = '{$this->gid}'");
             nggGallery::show_message(__('New gallery page ID', 'nggallery') . ' ' . $pageid . ' -> <strong>' . $gallery_title . '</strong> ' . __('created', 'nggallery'));
         }
     }
     if (isset($_POST['backToGallery'])) {
         $this->mode = 'edit';
     }
     // show sort order
     if (isset($_POST['sortGallery'])) {
         $this->mode = 'sort';
     }
 }