/**
* Image edit functions via AJAX
*
* @author Alex Rabe
* @copyright 2008 - 2010
*
* @return void
*/
function ngg_ajax_operation()
{
global $wpdb;
// if nonce is not correct it returns -1
check_ajax_referer("ngg-ajax");
// check for correct capability
if (!is_user_logged_in()) {
die('-1');
}
// check for correct NextGEN capability
if (!current_user_can('NextGEN Upload images') && !current_user_can('NextGEN Manage gallery')) {
die('-1');
}
// include the ngg function
include_once dirname(__FILE__) . '/functions.php';
// Get the image id
if (isset($_POST['image'])) {
$id = (int) $_POST['image'];
// let's get the image data
$picture = nggdb::find_image($id);
// what do you want to do ?
switch ($_POST['operation']) {
case 'create_thumbnail':
$result = nggAdmin::create_thumbnail($picture);
break;
case 'resize_image':
$result = nggAdmin::resize_image($picture);
break;
case 'rotate_cw':
$result = nggAdmin::rotate_image($picture, 'CW');
nggAdmin::create_thumbnail($picture);
break;
case 'rotate_ccw':
$result = nggAdmin::rotate_image($picture, 'CCW');
nggAdmin::create_thumbnail($picture);
break;
case 'set_watermark':
$result = nggAdmin::set_watermark($picture);
break;
case 'recover_image':
$result = nggAdmin::recover_image($picture);
break;
case 'import_metadata':
$result = nggAdmin::import_MetaData($id);
break;
case 'get_image_ids':
$result = nggAdmin::get_image_ids($id);
break;
default:
do_action('ngg_ajax_' . $_POST['operation']);
die('-1');
break;
}
// A success should return a '1'
die($result);
}
// The script should never stop here
die('0');
}
function _save_entity($entity)
{
// If successfully saved, then import metadata and
$retval = $this->call_parent('_save_entity', $entity);
if ($retval) {
include_once NGGALLERY_ABSPATH . '/admin/functions.php';
$image_id = $this->get_id($entity);
nggAdmin::import_MetaData($image_id);
C_Photocrati_Cache::flush();
}
return $retval;
}
function _save_entity($entity)
{
// If successfully saved, then import metadata and
$retval = $this->call_parent('_save_entity', $entity);
if ($retval) {
include_once NGGALLERY_ABSPATH . '/admin/functions.php';
$image_id = $this->get_id($entity);
if (!isset($entity->meta_data['saved'])) {
nggAdmin::import_MetaData($image_id);
}
C_Photocrati_Cache::flush('displayed_gallery_rendering');
}
return $retval;
}
/**
* Add images to database
*
* @class nggAdmin
* @param int $galleryID
* @param array $imageslist
* @return array $image_ids Id's which are sucessful added
*/
function add_Images($galleryID, $imageslist)
{
global $wpdb, $ngg;
$image_ids = array();
if (is_array($imageslist)) {
foreach ($imageslist as $picture) {
// strip off the extension of the filename
$path_parts = pathinfo($picture);
$alttext = !isset($path_parts['filename']) ? substr($path_parts['basename'], 0, strpos($path_parts['basename'], '.')) : $path_parts['filename'];
// save it to the database
$pic_id = nggdb::add_image($galleryID, $picture, '', $alttext);
if (!empty($pic_id)) {
$image_ids[] = $pic_id;
}
// add the metadata
nggAdmin::import_MetaData($pic_id);
// auto rotate
nggAdmin::rotate_image($pic_id);
// Autoresize image if required
if ($ngg->options['imgAutoResize']) {
$imagetmp = nggdb::find_image($pic_id);
$sizetmp = @getimagesize($imagetmp->imagePath);
$widthtmp = $ngg->options['imgWidth'];
$heighttmp = $ngg->options['imgHeight'];
if ($sizetmp[0] > $widthtmp && $widthtmp || $sizetmp[1] > $heighttmp && $heighttmp) {
nggAdmin::resize_image($pic_id);
}
}
// action hook for post process after the image is added to the database
$image = array('id' => $pic_id, 'filename' => $picture, 'galleryID' => $galleryID);
do_action('ngg_added_new_image', $image);
}
}
// is_array
// delete dirsize after adding new images
delete_transient('dirsize_cache');
do_action('ngg_after_new_images_added', $galleryID, $image_ids);
return $image_ids;
}
public function reimport_metadata($image_or_id)
{
// Get the image
$image = NULL;
if (is_int($image_or_id)) {
$image = $this->object->find($image_or_id);
} else {
$image = $image_or_id;
}
// Reset all image details that would have normally been imported
$image->alttext = '';
$image->description = '';
if (is_array($image->meta_data)) {
unset($image->meta_data['saved']);
}
wp_delete_object_term_relationships($image->{$image->id_field}, 'ngg_tag');
nggAdmin::import_MetaData($image);
return $this->object->save($image);
}
function add_Images($galleryID, $imageslist)
{
// add images to database
global $wpdb;
$image_ids = array();
if (is_array($imageslist)) {
foreach ($imageslist as $picture) {
$result = $wpdb->query("INSERT INTO {$wpdb->nggpictures} (galleryid, filename, alttext, exclude) VALUES ('{$galleryID}', '{$picture}', '{$picture}', 0) ");
$pic_id = (int) $wpdb->insert_id;
if ($result) {
$image_ids[] = $pic_id;
}
// add the metadata
nggAdmin::import_MetaData($pic_id);
}
}
// is_array
return $image_ids;
}
function processor()
{
global $wpdb, $ngg;
if ($this->mode == 'delete') {
// Delete a gallery
check_admin_referer('ngg_editgallery');
// get the path to the gallery
$gallerypath = $wpdb->get_var("SELECT path FROM {$wpdb->nggallery} WHERE gid = '{$this->gid}' ");
if ($gallerypath) {
// delete pictures
//TODO:Remove also Tag reference
$imagelist = $wpdb->get_col("SELECT filename FROM {$wpdb->nggpictures} WHERE galleryid = '{$this->gid}' ");
if ($ngg->options['deleteImg']) {
if (is_array($imagelist)) {
foreach ($imagelist as $filename) {
@unlink(WINABSPATH . $gallerypath . '/thumbs/thumbs_' . $filename);
@unlink(WINABSPATH . $gallerypath . '/' . $filename);
}
}
// delete folder
@rmdir(WINABSPATH . $gallerypath . '/thumbs');
@rmdir(WINABSPATH . $gallerypath);
}
}
$delete_pic = $wpdb->query("DELETE FROM {$wpdb->nggpictures} WHERE galleryid = {$this->gid}");
$delete_galllery = $wpdb->query("DELETE FROM {$wpdb->nggallery} WHERE gid = {$this->gid}");
if ($delete_galllery) {
nggGallery::show_message(__ngettext('Gallery', 'Galleries', 1, 'nggallery') . ' \'' . $this->gid . '\' ' . __('deleted successfully', 'nggallery'));
}
$this->mode = 'main';
// show mainpage
}
if ($this->mode == 'delpic') {
// Delete a picture
//TODO:Remove also Tag reference
check_admin_referer('ngg_delpicture');
$filename = $wpdb->get_var("SELECT filename FROM {$wpdb->nggpictures} WHERE pid = '{$this->pid}' ");
if ($filename) {
$gallerypath = $wpdb->get_var("SELECT path FROM {$wpdb->nggallery} WHERE gid = '{$this->gid}' ");
if ($gallerypath) {
$thumb_folder = nggGallery::get_thumbnail_folder($gallerypath, FALSE);
if ($ngg->options['deleteImg']) {
@unlink(WINABSPATH . $gallerypath . '/thumbs/thumbs_' . $filename);
@unlink(WINABSPATH . $gallerypath . '/' . $filename);
}
}
$delete_pic = $wpdb->query("DELETE FROM {$wpdb->nggpictures} WHERE pid = {$this->pid}");
}
if ($delete_pic) {
nggGallery::show_message(__('Picture', 'nggallery') . ' \'' . $this->pid . '\' ' . __('deleted successfully', 'nggallery'));
}
$this->mode = 'edit';
// show pictures
}
if (isset($_POST['bulkaction']) && isset($_POST['doaction'])) {
// do bulk update
check_admin_referer('ngg_updategallery');
$gallerypath = $wpdb->get_var("SELECT path FROM {$wpdb->nggallery} WHERE gid = '{$this->gid}' ");
$imageslist = array();
if (is_array($_POST['doaction'])) {
foreach ($_POST['doaction'] as $imageID) {
$imageslist[] = $wpdb->get_var("SELECT filename FROM {$wpdb->nggpictures} WHERE pid = '{$imageID}' ");
}
}
switch ($_POST['bulkaction']) {
case 'no_action':
// No action
break;
case 'set_watermark':
// Set watermark
nggAdmin::do_ajax_operation('set_watermark', $_POST['doaction'], __('Set watermark', 'nggallery'));
break;
case 'new_thumbnail':
// Create new thumbnails
nggAdmin::do_ajax_operation('create_thumbnail', $_POST['doaction'], __('Create new thumbnails', 'nggallery'));
break;
case 'resize_images':
// Resample images
nggAdmin::do_ajax_operation('resize_image', $_POST['doaction'], __('Resize images', 'nggallery'));
break;
case 'delete_images':
// Delete images
if (is_array($_POST['doaction'])) {
if ($gallerypath) {
$thumb_folder = nggGallery::get_thumbnail_folder($gallerypath, FALSE);
foreach ($_POST['doaction'] as $imageID) {
$filename = $wpdb->get_var("SELECT filename FROM {$wpdb->nggpictures} WHERE pid = '{$imageID}' ");
if ($ngg->options['deleteImg']) {
@unlink(WINABSPATH . $gallerypath . '/' . $thumb_folder . '/' . "thumbs_" . $filename);
@unlink(WINABSPATH . $gallerypath . '/' . $filename);
}
$delete_pic = $wpdb->query("DELETE FROM {$wpdb->nggpictures} WHERE pid = {$imageID}");
}
}
if ($delete_pic) {
nggGallery::show_message(__('Pictures deleted successfully ', "nggallery"));
}
}
break;
case 'import_meta':
// Import Metadata
nggAdmin::import_MetaData($_POST['doaction']);
nggGallery::show_message(__('Import metadata finished', "nggallery"));
break;
}
}
// will be called after a ajax operation
if (isset($_POST['ajax_callback'])) {
if ($_POST['ajax_callback'] == 1) {
nggGallery::show_message(__('Operation successfull. Please clear your browser cache.', "nggallery"));
}
$this->mode = 'edit';
}
if (isset($_POST['TB_bulkaction']) && isset($_POST['TB_SelectGallery'])) {
check_admin_referer('ngg_thickbox_form');
$pic_ids = explode(",", $_POST['TB_imagelist']);
$dest_gid = (int) $_POST['dest_gid'];
switch ($_POST['TB_bulkaction']) {
case 'copy_to':
// Copy images
nggAdmin::copy_images($pic_ids, $dest_gid);
break;
case 'move_to':
// Move images
nggAdmin::move_images($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';
}
}
/**
* Add images to database
*
* @class nggAdmin
* @param int $galleryID
* @param array $imageslist
* @return array $image_ids Id's which are sucessful added
*/
function add_Images($galleryID, $imageslist)
{
global $wpdb;
$image_ids = array();
if (is_array($imageslist)) {
foreach ($imageslist as $picture) {
// strip off the extension of the filename
$path_parts = pathinfo($picture);
$alttext = !isset($path_parts['filename']) ? substr($path_parts['basename'], 0, strpos($path_parts['basename'], '.')) : $path_parts['filename'];
// save it to the database
$result = $wpdb->query($wpdb->prepare("INSERT INTO {$wpdb->nggpictures} (galleryid, filename, alttext, exclude) VALUES (%s, %s, %s, 0)", $galleryID, $picture, $alttext));
// and give me the new id
$pic_id = (int) $wpdb->insert_id;
if ($result) {
$image_ids[] = $pic_id;
}
// add the metadata
nggAdmin::import_MetaData($pic_id);
// auto rotate
nggAdmin::rotate_image($pic_id);
// action hook for post process after the image is added to the database
$image = array('id' => $pic_id, 'filename' => $picture, 'galleryID' => $galleryID);
do_action('ngg_added_new_image', $image);
}
}
// is_array
return $image_ids;
}
