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   1  <?php
   2  // This file is part of Moodle - http://moodle.org/
   3  //
   4  // Moodle is free software: you can redistribute it and/or modify
   5  // it under the terms of the GNU General Public License as published by
   6  // the Free Software Foundation, either version 3 of the License, or
   7  // (at your option) any later version.
   8  //
   9  // Moodle is distributed in the hope that it will be useful,
  10  // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  // GNU General Public License for more details.
  13  //
  14  // You should have received a copy of the GNU General Public License
  15  // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
  16  
  17  /**
  18   * Global search block.
  19   *
  20   * @package    block_globalsearch
  21   * @copyright  Prateek Sachan {@link http://prateeksachan.com}
  22   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  23   */
  24  
  25  defined('MOODLE_INTERNAL') || die();
  26  
  27  /**
  28   * Global search block.
  29   *
  30   * @package    block_globalsearch
  31   * @copyright  Prateek Sachan {@link http://prateeksachan.com}
  32   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  33   */
  34  class block_globalsearch extends block_base {
  35  
  36      /**
  37       * Initialises the block.
  38       *
  39       * @return void
  40       */
  41      public function init() {
  42          $this->title = get_string('pluginname', 'block_globalsearch');
  43      }
  44  
  45      /**
  46       * Gets the block contents.
  47       *
  48       * If we can avoid it better not check the server status here as connecting
  49       * to the server will slow down the whole page load.
  50       *
  51       * @return string The block HTML.
  52       */
  53      public function get_content() {
  54          global $OUTPUT;
  55          if ($this->content !== null) {
  56              return $this->content;
  57          }
  58  
  59          $this->content = new stdClass();
  60          $this->content->footer = '';
  61  
  62          if (\core_search\manager::is_global_search_enabled() === false) {
  63              $this->content->text = get_string('globalsearchdisabled', 'search');
  64              return $this->content;
  65          }
  66  
  67          $url = new moodle_url('/search/index.php');
  68          $this->content->footer .= html_writer::link($url, get_string('advancedsearch', 'search'));
  69  
  70          $this->content->text  = html_writer::start_tag('div', array('class' => 'searchform'));
  71          $this->content->text .= html_writer::start_tag('form', array('action' => $url->out()));
  72          $this->content->text .= html_writer::start_tag('fieldset', array('action' => 'invisiblefieldset'));
  73  
  74          // Input.
  75          $this->content->text .= html_writer::tag('label', get_string('search', 'search'),
  76              array('for' => 'searchform_search', 'class' => 'accesshide'));
  77          $inputoptions = array('id' => 'searchform_search', 'name' => 'q', 'type' => 'text', 'size' => '15');
  78          $this->content->text .= html_writer::empty_tag('input', $inputoptions);
  79  
  80          // Search button.
  81          $this->content->text .= html_writer::tag('button', get_string('search', 'search'),
  82              array('id' => 'searchform_button', 'type' => 'submit', 'title' => 'globalsearch'));
  83          $this->content->text .= html_writer::end_tag('fieldset');
  84          $this->content->text .= html_writer::end_tag('form');
  85          $this->content->text .= html_writer::end_tag('div');
  86  
  87          return $this->content;
  88      }
  89  }