* Link: http://code.shishnet.org/shimmie2/ * License: GPLv2 * Description: Regenerate a thumbnail image * Documentation: * This adds a button in the image control section on an * image's view page, which allows an admin to regenerate * an image's thumbnail; useful for instance if the first * attempt failed due to lack of memory, and memory has * since been increased. */ class RegenThumb extends Extension { public function regenerate_thumbnail($image) { global $database; send_event(new ThumbnailGenerationEvent($image->hash, $image->ext, true)); $database->cache->delete("thumb-block:{$image->id}"); } public function onPageRequest(PageRequestEvent $event) { global $database, $page, $user; if ($event->page_matches("regen_thumb/one") && $user->can("delete_image") && isset($_POST['image_id'])) { $image = Image::by_id(int_escape($_POST['image_id'])); $this->regenerate_thumbnail($image); $this->theme->display_results($page, $image); } if ($event->page_matches("regen_thumb/mass") && $user->can("delete_image") && isset($_POST['tags'])) { $tags = Tag::explode(strtolower($_POST['tags']), false); $images = Image::find_images(0, 10000, $tags); foreach ($images as $image) { $this->regenerate_thumbnail($image); } $page->set_mode("redirect"); $page->set_redirect(make_link("post/list")); } } public function onImageAdminBlockBuilding(ImageAdminBlockBuildingEvent $event) { global $user; if ($user->can("delete_image")) { $event->add_part($this->theme->get_buttons_html($event->image->id)); } } // public function onPostListBuilding(PostListBuildingEvent $event) // { // global $user; // if ($user->can("delete_image") && !empty($event->search_terms)) { // $event->add_control($this->theme->mtr_html(Tag::implode($event->search_terms))); // } // } public function onBulkActionBlockBuilding(BulkActionBlockBuildingEvent $event) { global $user; if ($user->can("delete_image")) { $event->add_action("Regen Thumbnails"); } } public function onBulkAction(BulkActionEvent $event) { global $user; switch($event->action) { case "Regen Thumbnails": if ($user->can("delete_image")) { $total = 0; foreach ($event->items as $image) { $this->regenerate_thumbnail($image); $total++; } flash_message("Regenerated thumbnails for $total items"); } break; } } }