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Differences Between: [Versions 310 and 403] [Versions 311 and 403] [Versions 39 and 403]

   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   * The comments block
  19   *
  20   * @package    block_comments
  21   * @copyright 2009 Dongsheng Cai <dongsheng@moodle.com>
  22   * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  23   */
  24  class block_comments extends block_base {
  25  
  26      function init() {
  27          global $CFG;
  28  
  29          require_once($CFG->dirroot . '/comment/lib.php');
  30  
  31          $this->title = get_string('pluginname', 'block_comments');
  32      }
  33  
  34      function specialization() {
  35          // require js for commenting
  36          comment::init();
  37      }
  38      function applicable_formats() {
  39          return array('all' => true);
  40      }
  41  
  42      function instance_allow_multiple() {
  43          return false;
  44      }
  45  
  46      function get_content() {
  47          global $CFG;
  48  
  49          if ($this->content !== NULL) {
  50              return $this->content;
  51          }
  52          if (!$CFG->usecomments) {
  53              $this->content = new stdClass();
  54              $this->content->text = '';
  55              if ($this->page->user_is_editing()) {
  56                  $this->content->text = get_string('disabledcomments');
  57              }
  58              return $this->content;
  59          }
  60          $this->content = new stdClass();
  61          $this->content->footer = '';
  62          $this->content->text = '';
  63          if (empty($this->instance)) {
  64              return $this->content;
  65          }
  66          list($context, $course, $cm) = get_context_info_array($this->page->context->id);
  67  
  68          $args = new stdClass;
  69          $args->context   = $this->page->context;
  70          $args->course    = $course;
  71          $args->area      = 'page_comments';
  72          $args->itemid    = 0;
  73          $args->component = 'block_comments';
  74          $args->linktext  = get_string('showcomments');
  75          $args->notoggle  = true;
  76          $args->autostart = true;
  77          $args->displaycancel = false;
  78          $comment = new comment($args);
  79          $comment->set_view_permission(true);
  80          $comment->set_fullwidth();
  81  
  82          $this->content = new stdClass();
  83          $this->content->text = $comment->output(true);
  84          $this->content->footer = '';
  85          return $this->content;
  86      }
  87  
  88      /**
  89       * This block shouldn't be added to a page if the comments advanced feature is disabled.
  90       *
  91       * @param moodle_page $page
  92       * @return bool
  93       */
  94      public function can_block_be_added(moodle_page $page): bool {
  95          global $CFG;
  96  
  97          return $CFG->usecomments;
  98      }
  99  }