Location: PHPKode > projects > Gallery > gallery3/modules/tag/controllers/tags.php
<?php defined("SYSPATH") or die("No direct script access.");
/**
 * Gallery - a web based photo album viewer and editor
 * Copyright (C) 2000-2012 Bharat Mediratta
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or (at
 * your option) any later version.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA  02110-1301, USA.
 */
class Tags_Controller extends Controller {
  public function index() {
    // Far from perfection, but at least require view permission for the root album
    $album = ORM::factory("item", 1);
    access::required("view", $album);

    print tag::cloud(module::get_var("tag", "tag_cloud_size", 30));
  }

  public function create($item_id) {
    $item = ORM::factory("item", $item_id);
    access::required("view", $item);
    access::required("edit", $item);

    $form = tag::get_add_form($item);
    if ($form->validate()) {
      foreach (explode(",", $form->add_tag->inputs["name"]->value) as $tag_name) {
        $tag_name = trim($tag_name);
        if ($tag_name) {
          $tag = tag::add($item, $tag_name);
        }
      }

      json::reply(array("result" => "success", "cloud" => (string)tag::cloud(30)));
    } else {
      json::reply(array("result" => "error", "html" => (string)$form));
    }
  }

  public function autocomplete() {
    $tags = array();
    $tag_parts = explode(",", Input::instance()->get("q"));
    $limit = Input::instance()->get("limit");
    $tag_part = ltrim(end($tag_parts));
    $tag_list = ORM::factory("tag")
      ->where("name", "LIKE", "{$tag_part}%")
      ->order_by("name", "ASC")
      ->limit($limit)
      ->find_all();
    foreach ($tag_list as $tag) {
      $tags[] = html::clean($tag->name);
    }

    ajax::response(implode("\n", $tags));
  }
}
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