/**
* Validate settings for the tab.
*/
function dg_validate_settings($values)
{
global $dg_options;
$ret = $dg_options;
include_once DG_PATH . 'inc/class-gallery.php';
$thumbs_cleared = false;
// handle gallery shortcode defaults
$errs = array();
$ret['gallery'] = DG_Gallery::sanitizeDefaults(null, $values['gallery_defaults'], $errs);
foreach ($errs as $k => $v) {
add_settings_error(DG_OPTION_NAME, str_replace('_', '-', $k), $v);
}
// handle setting width
if (isset($values['thumbnail_generation']['width'])) {
$width = (int) $values['thumbnail_generation']['width'];
if ($width > 0) {
$ret['thumber']['width'] = $width;
} else {
add_settings_error(DG_OPTION_NAME, 'thumber-width', __('Invalid width given: ', 'document-gallery') . $values['thumbnail_generation']['width']);
}
unset($values['thumbnail_generation']['width']);
}
// handle setting height
if (isset($values['thumbnail_generation']['height'])) {
$height = (int) $values['thumbnail_generation']['height'];
if ($height > 0) {
$ret['thumber']['height'] = $height;
} else {
add_settings_error(DG_OPTION_NAME, 'thumber-height', __('Invalid height given: ', 'document-gallery') . $values['thumbnail_generation']['height']);
}
unset($values['thumbnail_generation']['width']);
}
// delete thumb cache to force regeneration if max dimensions changed
if ($ret['thumber']['width'] !== $dg_options['thumber']['width'] || $ret['thumber']['height'] !== $dg_options['thumber']['height']) {
DG_Thumb::purgeThumbs();
}
// handle setting the active thumbers
foreach (array_keys($ret['thumber']['active']) as $k) {
$ret['thumber']['active'][$k] = isset($values['thumbnail_generation'][$k]);
}
// if new thumbers available, clear failed thumbnails for retry
if (!$thumbs_cleared) {
DG_Thumb::purgeFailedThumbs();
}
// handle modified CSS
if (trim($ret['css']['text']) !== trim($values['css'])) {
$ret['css']['text'] = trim($values['css']);
}
return $ret;
}
/**
* Validate settings for the tab.
*/
function dg_validate_settings($values)
{
global $dg_options;
$ret = $dg_options;
$responseArr = array('result' => false);
if (isset($values['entry'])) {
$ID = intval($values['entry']);
} else {
$ID = -1;
}
// Thumbnail(s) cleanup;
// cleanup value is a marker
if (isset($values['cleanup']) && isset($values['ids'])) {
$deleted = array_values(array_intersect(array_keys(DG_Thumb::getThumbs()), $values['ids']));
DG_Thumb::purgeThumbs($deleted);
$responseArr['result'] = true;
$responseArr['deleted'] = $deleted;
} elseif (isset($values['title']) && $ID != -1) {
$attachment = array('ID' => $ID, 'post_title' => rawurldecode(addslashes($values['title'])));
if (wp_update_post($attachment)) {
$responseArr['result'] = true;
}
} elseif (isset($values['description']) && $ID != -1) {
$attachment = array('ID' => $ID, 'post_content' => rawurldecode(addslashes($values['description'])));
if (wp_update_post($attachment)) {
$responseArr['result'] = true;
}
} elseif (isset($values['upload']) && isset($_FILES['file']) && array_key_exists($ID, DG_Thumb::getThumbs())) {
$uploaded_filename = DG_Admin::validateUploadedFile();
if ($uploaded_filename && ($thumb = DG_Thumber::setThumbnail($ID, $uploaded_filename))) {
$responseArr['result'] = true;
$responseArr['url'] = $thumb->getUrl();
}
}
if (defined('DOING_AJAX') && DOING_AJAX) {
@header('Content-Type: application/json; charset=' . get_option('blog_charset'));
echo wp_json_encode($responseArr);
add_filter('wp_redirect', 'dg_exit', 1, 0);
}
return $ret;
}
/**
* Removes all metadata related to a thumbnail for the given attachment ID(s). This allows
* the plugin to attempt to re-generate the thumbnail for this attachment next time it
* is requested in a gallery or through some other means.
*
* @param int|int[] $ids Which thumbnails to delete.
*/
public static function deleteThumbnails($ids)
{
DG_Thumb::purgeThumbs($ids);
}
/**
* Runs when DG is uninstalled for an individual blog.
*/
private static function _uninstall($blog)
{
DG_Thumb::purgeThumbs(null, $blog);
DocumentGallery::deleteOptions($blog);
}