/**
* Returns the rendered template of an image browser display
*
* @param C_Displayed_Gallery
* @param array $picture_list
* @return string Rendered HTML (probably)
*/
function render_image_browser($displayed_gallery, $picture_list)
{
$display_settings = $displayed_gallery->display_settings;
$storage = $this->object->get_registry()->get_utility('I_Gallery_Storage');
$imap = $this->object->get_registry()->get_utility('I_Image_Mapper');
$application = $this->object->get_registry()->get_utility('I_Router')->get_routed_app();
// the pid may be a slug so we must track it & the slug target's database id
$pid = $this->object->param('pid');
$numeric_pid = NULL;
// makes the upcoming which-image-am-I loop easier
$picture_array = array();
foreach ($picture_list as $picture) {
$picture_array[] = $picture->{$imap->get_primary_key_column()};
}
// Determine which image in the list we need to display
if (!empty($pid)) {
if (is_numeric($pid) && !empty($picture_list[$pid])) {
$numeric_pid = intval($pid);
} else {
// in the case it's a slug we need to search for the pid
foreach ($picture_list as $key => $picture) {
if ($picture->image_slug == $pid) {
$numeric_pid = $key;
break;
}
}
}
} else {
reset($picture_array);
$numeric_pid = current($picture_array);
}
// get ids to the next and previous images
$total = count($picture_array);
$key = array_search($numeric_pid, $picture_array);
if (!$key) {
$numeric_pid = reset($picture_array);
$key = key($picture_array);
}
// for "viewing image #13 of $total"
$picture_list_pos = $key + 1;
// our image to display
$picture = new C_Image_Wrapper($imap->find($numeric_pid), $displayed_gallery, TRUE);
$picture = apply_filters('ngg_image_object', $picture, $numeric_pid);
// determine URI to the next & previous images
$back_pid = $key >= 1 ? $picture_array[$key - 1] : end($picture_array);
// 'show' is set when using the imagebrowser as an alternate view to a thumbnail or slideshow
// for which the basic-gallery module will rewrite the show parameter into existence as long as 'image'
// is set. We remove 'show' here so navigation appears fluid.
$current_url = $application->get_routed_url(TRUE);
if ($this->object->param('ajax_pagination_referrer')) {
$current_url = $this->object->param('ajax_pagination_referrer');
}
$prev_image_link = $this->object->set_param_for($current_url, 'pid', $picture_list[$back_pid]->image_slug);
$prev_image_link = $this->object->remove_param_for($prev_image_link, 'show', $displayed_gallery->id());
$next_pid = $key < $total - 1 ? $picture_array[$key + 1] : reset($picture_array);
$next_image_link = $this->object->set_param_for($current_url, 'pid', $picture_list[$next_pid]->image_slug);
$next_image_link = $this->object->remove_param_for($next_image_link, 'show', $displayed_gallery->id());
// css class
$anchor = 'ngg-imagebrowser-' . $displayed_gallery->id() . '-' . (get_the_ID() == false ? 0 : get_the_ID());
// try to read EXIF data, but fallback to the db presets
$meta = new C_NextGen_Metadata($picture);
$meta->sanitize();
$meta_results = array('exif' => $meta->get_EXIF(), 'iptc' => $meta->get_IPTC(), 'xmp' => $meta->get_XMP(), 'db' => $meta->get_saved_meta());
$meta_results['exif'] = $meta_results['exif'] == false ? $meta_results['db'] : $meta_results['exif'];
// disable triggers IF we're rendering inside of an ajax-pagination request; var set in common.js
if (!empty($_POST['ajax_referrer'])) {
$displayed_gallery->display_settings['ngg_triggers_display'] = 'never';
}
if (!empty($display_settings['template'])) {
$this->object->add_mixin('Mixin_NextGen_Basic_Templates');
$picture->href_link = $picture->get_href_link();
$picture->previous_image_link = $prev_image_link;
$picture->previous_pid = $back_pid;
$picture->next_image_link = $next_image_link;
$picture->next_pid = $next_pid;
$picture->number = $picture_list_pos;
$picture->total = $total;
$picture->anchor = $anchor;
return $this->object->legacy_render($display_settings['template'], array('image' => $picture, 'meta' => $meta, 'exif' => $meta_results['exif'], 'iptc' => $meta_results['iptc'], 'xmp' => $meta_results['xmp'], 'db' => $meta_results['db']), TRUE, 'imagebrowser');
} else {
$params = $display_settings;
$params['anchor'] = $anchor;
$params['image'] = $picture;
$params['storage'] =& $storage;
$params['previous_pid'] = $back_pid;
$params['next_pid'] = $next_pid;
$params['number'] = $picture_list_pos;
$params['total'] = $total;
$params['previous_image_link'] = $prev_image_link;
$params['next_image_link'] = $next_image_link;
$params['effect_code'] = $this->object->get_effect_code($displayed_gallery);
$params = $this->object->prepare_display_parameters($displayed_gallery, $params);
return $this->object->render_partial('photocrati-nextgen_basic_imagebrowser#nextgen_basic_imagebrowser', $params, TRUE);
}
}
/**
* Recover image from backup copy and reprocess it
*
* @param int|stdClass|C_Image $image
* @return string result code
*/
function recover_image($image)
{
if (is_numeric($image)) {
$image = $this->object->_image_mapper->find($image);
}
if (isset($image->meta_data)) {
$orig_metadata = $image->meta_data;
}
$path = $this->object->get_registry()->get_utility('I_Gallery_Storage')->get_image_abspath($image);
if (!is_object($image)) {
return __("Could not find image", 'nggallery');
}
if (!is_writable($path) && !is_writable(dirname($path))) {
return ' <strong>' . esc_html($image->filename) . __(' is not writeable', 'nggallery') . '</strong>';
}
if (!@file_exists($path . '_backup')) {
return ' <strong>' . __('Backup file does not exist', 'nggallery') . '</strong>';
}
if (!@copy($path . '_backup', $path)) {
return ' <strong>' . __("Could not restore original image", 'nggallery') . '</strong>';
}
if (isset($orig_metadata)) {
$NextGen_Metadata = new C_NextGen_Metadata($image);
$new_metadata = $NextGen_Metadata->get_common_meta();
$image->meta_data = array_merge((array) $orig_metadata, (array) $new_metadata);
$this->object->_image_mapper->save($image);
}
return '1';
}