/**
* Deletes all the copies of the original attachment (database data only, not files)
*/
function file_gallery_delete_all_attachment_copies($attachment_id)
{
$copies = get_post_meta($attachment_id, '_has_copies', true);
if (is_array($copies) && !empty($copies)) {
do_action('file_gallery_delete_all_attachment_copies', $attachment_id, array(&$copies));
foreach ($copies as $copy) {
file_gallery_delete_attachment($copy);
}
return $copies;
}
// no copies
return false;
}
/**
* Displays the main form for inserting shortcodes / single images.
* also handles attachments edit/delete/detach response
* and displays atachment thumbnails on post edit screen in admin
*/
function file_gallery_main($ajax = true)
{
global $wpdb;
check_ajax_referer('file-gallery');
$post_id = isset($_POST['post_id']) ? $_POST['post_id'] : '';
$attachment_order = isset($_POST['attachment_order']) ? $_POST['attachment_order'] : '';
$attachment_orderby = isset($_POST['attachment_orderby']) ? $_POST['attachment_orderby'] : '';
$files_or_tags = isset($_POST['files_or_tags']) ? $_POST["files_or_tags"] : '';
$tags_from = isset($_POST['tags_from']) ? $_POST["tags_from"] : '';
$action = isset($_POST['action']) ? $_POST['action'] : '';
$attachment_ids = isset($_POST['attachment_ids']) ? $_POST['attachment_ids'] : '';
$attachment_data = isset($_POST['attachment_data']) ? $_POST['attachment_data'] : '';
$delete_what = isset($_POST['delete_what']) ? $_POST['delete_what'] : '';
$checked_attachments = isset($_POST['checked_attachments']) ? explode(',', $_POST['checked_attachments']) : array();
$normals = isset($_POST['normals']) ? $_POST['normals'] : '';
$copies = isset($_POST['copies']) ? $_POST['copies'] : '';
$originals = isset($_POST['originals']) ? $_POST['originals'] : '';
$fieldsets = isset($_POST['fieldsets']) ? $_POST['fieldsets'] : '';
$file_gallery_options = get_option('file_gallery');
$gallery_state = isset($file_gallery_options['insert_options_state']) && true == $file_gallery_options['insert_options_state'] ? true : false;
$single_state = isset($file_gallery_options['insert_single_options_state']) && true == $file_gallery_options['insert_single_options_state'] ? true : false;
$output = " ";
$count_attachments = 0;
$hide_form = '';
$sizes = file_gallery_get_intermediate_image_sizes();
$normals = explode(',', $normals);
$copies = explode(',', $copies);
$originals = explode(',', $originals);
$attachment_ids = explode(',', $attachment_ids);
if (empty_array($normals)) {
$normals = array();
}
if (empty_array($copies)) {
$copies = array();
}
if (empty_array($originals)) {
$originals = array();
}
if (empty_array($attachment_ids)) {
$attachment_ids = array();
}
if ('file_gallery_main_delete' == $action) {
if (!empty($copies) && !empty($originals)) {
$cpluso = array_merge($copies, $originals);
$normals = array_xor((array) $attachment_ids, $cpluso);
} elseif (!empty($copies)) {
$normals = array_xor((array) $attachment_ids, $copies);
} elseif (!empty($originals)) {
$normals = array_xor((array) $attachment_ids, $originals);
} else {
$normals = $attachment_ids;
}
// cancel our own 'wp_delete_attachment' filter
define("FILE_GALLERY_SKIP_DELETE_CANCEL", true);
foreach ($normals as $normal) {
if (current_user_can('delete_post', $normal)) {
wp_delete_attachment($normal);
$fully_deleted[] = $normal;
}
}
foreach ($copies as $copy) {
if (current_user_can('delete_post', $copy)) {
file_gallery_delete_attachment($copy);
$partially_deleted[] = $copy;
}
}
foreach ($originals as $original) {
if ("all" == $delete_what && current_user_can('delete_post', $original)) {
file_gallery_delete_all_attachment_copies($original);
wp_delete_attachment($original);
$fully_deleted[] = $original;
} elseif ("data_only" == $delete_what && current_user_can('delete_post', $original)) {
file_gallery_promote_first_attachment_copy($original);
file_gallery_delete_attachment($original);
$partially_deleted[] = $original;
}
}
if (empty($fully_deleted) && empty($partially_deleted)) {
$output = __("No attachments were deleted (capabilities?)", "file-gallery");
} else {
$output = __("Attachment(s) deleted", "file-gallery");
}
} elseif ("file_gallery_main_detach" == $action) {
foreach ($attachment_ids as $attachment_id) {
if (false === $wpdb->query(sprintf("UPDATE {$wpdb->posts} SET `post_parent`='0' WHERE `ID`='%d'", $attachment_id))) {
$detach_errors[] = $attachment_id;
}
}
if (empty($detach_errors)) {
$output = __("Attachment(s) detached", "file-gallery");
} else {
$output = __("Error detaching attachment(s)", "file-gallery");
}
} elseif ("file_gallery_main_update" == $action) {
$attachment_id = (int) $_POST['attachment_id'];
$attachment_data['ID'] = $attachment_id;
$attachment_data['post_alt'] = $_POST['post_alt'];
$attachment_data['post_title'] = $_POST['post_title'];
$attachment_data['post_content'] = $_POST['post_content'];
$attachment_data['post_excerpt'] = $_POST['post_excerpt'];
$attachment_data['menu_order'] = $_POST['menu_order'];
// attachment custom fields
$custom = get_post_custom($attachment_id);
$custom_fields = isset($_POST['custom_fields']) ? $_POST['custom_fields'] : '';
if (!empty($custom) && !empty($custom_fields)) {
foreach ($custom_fields as $key => $val) {
if (isset($custom[$key]) && $custom[$key][0] != $val) {
update_post_meta($attachment_id, $key, $val);
}
}
}
// media_tag taxonomy - attachment tags
$tax_input = "";
$old_media_tags = "";
$get_old_media_tags = wp_get_object_terms((int) $_POST['attachment_id'], FILE_GALLERY_MEDIA_TAG_NAME);
if (!empty($get_old_media_tags)) {
foreach ($get_old_media_tags as $mt) {
$old_media_tags[] = $mt->name;
}
$old_media_tags = implode(", ", $old_media_tags);
}
if ("" != $_POST['tax_input'] && $old_media_tags != $_POST['tax_input']) {
$tax_input = preg_replace("#\\s+#", " ", $_POST['tax_input']);
$tax_input = preg_replace("#,+#", ",", $_POST['tax_input']);
$tax_input = trim($tax_input, " ");
$tax_input = trim($tax_input, ",");
$tax_input = explode(", ", $tax_input);
$media_tags_result = wp_set_object_terms($attachment_id, $tax_input, FILE_GALLERY_MEDIA_TAG_NAME);
} elseif ("" == $_POST['tax_input']) {
$media_tags_result = wp_set_object_terms($attachment_id, NULL, FILE_GALLERY_MEDIA_TAG_NAME);
}
// check if there were any changes
$old_attachment_data = get_object_vars(get_post($attachment_id));
if (file_gallery_file_is_displayable_image(get_attached_file($attachment_id))) {
$old_attachment_data['post_alt'] = get_post_meta($attachment_id, "_wp_attachment_image_alt", true);
}
if (isset($old_attachment_data['post_alt']) && $old_attachment_data['post_alt'] != $attachment_data['post_alt'] || $old_attachment_data['post_title'] != $attachment_data['post_title'] || $old_attachment_data['post_content'] != $attachment_data['post_content'] || $old_attachment_data['post_excerpt'] != $attachment_data['post_excerpt'] || $old_attachment_data['menu_order'] != $attachment_data['menu_order'] || is_array($tax_input)) {
if (0 !== wp_update_post($attachment_data)) {
update_post_meta($attachment_id, "_wp_attachment_image_alt", $attachment_data['post_alt']);
$output = __("Attachment data updated", "file-gallery");
} else {
$output = __("Error updating attachment data!", "file-gallery");
}
} else {
$output = __("No change.", "file-gallery");
}
} elseif ("file_gallery_set_post_thumb" == $action) {
update_post_meta($post_id, "_thumbnail_id", $attachment_ids[0]);
exit(_wp_post_thumbnail_html($attachment_ids[0], $post_id));
} elseif ("file_gallery_unset_post_thumb" == $action) {
exit;
}
include_once "main-form.php";
exit;
}