blocks/globalsearch/block_globalsearch.php

   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', 'class' => 'form-control',
  78             'type' => 'text', 'size' => '15');
  79         $this->content->text .= html_writer::empty_tag('input', $inputoptions);
  80
  81         // Context id.
  82         if ($this->page->context && $this->page->context->contextlevel !== CONTEXT_SYSTEM) {
  83             $this->content->text .= html_writer::empty_tag('input', ['type' => 'hidden',
  84                     'name' => 'context', 'value' => $this->page->context->id]);
  85         }
  86
  87         // Search button.
  88         $this->content->text .= html_writer::tag('button', get_string('search', 'search'),
  89             array('id' => 'searchform_button', 'type' => 'submit', 'title' => 'globalsearch', 'class' => 'btn btn-secondary'));
  90         $this->content->text .= html_writer::end_tag('fieldset');
  91         $this->content->text .= html_writer::end_tag('form');
  92         $this->content->text .= html_writer::end_tag('div');
  93
  94         return $this->content;
  95     }
  96 }