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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   * Social activities block.
  19   *
  20   * @package    block_social_activities
  21   * @copyright  1999 onwards Martin Dougiamas (http://dougiamas.com)
  22   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  23   */
  24  
  25  class block_social_activities extends block_list {
  26      function init(){
  27          $this->title = get_string('pluginname', 'block_social_activities');
  28      }
  29  
  30      function applicable_formats() {
  31          return array('course-view-social' => true);
  32      }
  33  
  34      function get_content() {
  35          global $USER, $CFG, $DB, $OUTPUT;
  36  
  37          if ($this->content !== NULL) {
  38              return $this->content;
  39          }
  40  
  41          $this->content = new stdClass();
  42          $this->content->items = array();
  43          $this->content->icons = array();
  44          $this->content->footer = '';
  45  
  46          if (empty($this->instance)) {
  47              return $this->content;
  48          }
  49  
  50          $course = $this->page->course;
  51  
  52          require_once($CFG->dirroot.'/course/lib.php');
  53  
  54          $context = context_course::instance($course->id);
  55          $isediting = $this->page->user_is_editing() && has_capability('moodle/course:manageactivities', $context);
  56          $modinfo = get_fast_modinfo($course);
  57  
  58  /// extra fast view mode
  59          if (!$isediting) {
  60              if (!empty($modinfo->sections[0])) {
  61                  $options = array('overflowdiv'=>true);
  62                  foreach($modinfo->sections[0] as $cmid) {
  63                      $cm = $modinfo->cms[$cmid];
  64                      if (!$cm->uservisible) {
  65                          continue;
  66                      }
  67  
  68                      $content = $cm->get_formatted_content(array('overflowdiv' => true, 'noclean' => true));
  69                      $instancename = $cm->get_formatted_name();
  70  
  71                      if (!($url = $cm->url)) {
  72                          $this->content->items[] = $content;
  73                          $this->content->icons[] = '';
  74                      } else {
  75                          $linkcss = $cm->visible ? '' : ' class="dimmed" ';
  76                          //Accessibility: incidental image - should be empty Alt text
  77                          $icon = '<img src="' . $cm->get_icon_url() . '" class="icon" alt="" />&nbsp;';
  78                          $this->content->items[] = '<a title="'.$cm->modplural.'" '.$linkcss.' '.$cm->extra.
  79                                  ' href="' . $url . '">' . $icon . $instancename . '</a>';
  80                      }
  81                  }
  82              }
  83              return $this->content;
  84          }
  85  
  86  
  87          // Slow & hacky editing mode.
  88          /** @var core_course_renderer $courserenderer */
  89          $courserenderer = $this->page->get_renderer('core', 'course');
  90          $ismoving = ismoving($course->id);
  91          $modinfo = get_fast_modinfo($course);
  92          $section = $modinfo->get_section_info(0);
  93  
  94          if ($ismoving) {
  95              $strmovehere = get_string('movehere');
  96              $strmovefull = strip_tags(get_string('movefull', '', "'$USER->activitycopyname'"));
  97              $strcancel= get_string('cancel');
  98              $stractivityclipboard = $USER->activitycopyname;
  99          } else {
 100              $strmove = get_string('move');
 101          }
 102          $editbuttons = '';
 103  
 104          if ($ismoving) {
 105              $this->content->icons[] = '&nbsp;<img align="bottom" src="'.$OUTPUT->pix_url('t/move') . '" class="iconsmall" alt="" />';
 106              $this->content->items[] = $USER->activitycopyname.'&nbsp;(<a href="'.$CFG->wwwroot.'/course/mod.php?cancelcopy=true&amp;sesskey='.sesskey().'">'.$strcancel.'</a>)';
 107          }
 108  
 109          if (!empty($modinfo->sections[0])) {
 110              $options = array('overflowdiv'=>true);
 111              foreach ($modinfo->sections[0] as $modnumber) {
 112                  $mod = $modinfo->cms[$modnumber];
 113                  if (!$mod->uservisible) {
 114                      continue;
 115                  }
 116                  if (!$ismoving) {
 117                      $actions = course_get_cm_edit_actions($mod, -1);
 118  
 119                      // Prepend list of actions with the 'move' action.
 120                      $actions = array('move' => new action_menu_link_primary(
 121                          new moodle_url('/course/mod.php', array('sesskey' => sesskey(), 'copy' => $mod->id)),
 122                          new pix_icon('t/move', $strmove, 'moodle', array('class' => 'iconsmall', 'title' => '')),
 123                          $strmove
 124                      )) + $actions;
 125  
 126                      $editbuttons = html_writer::tag('div',
 127                          $courserenderer->course_section_cm_edit_actions($actions, $mod, array('donotenhance' => true)),
 128                          array('class' => 'buttons')
 129                      );
 130                  } else {
 131                      $editbuttons = '';
 132                  }
 133                  if ($mod->visible || has_capability('moodle/course:viewhiddenactivities', $mod->context)) {
 134                      if ($ismoving) {
 135                          if ($mod->id == $USER->activitycopy) {
 136                              continue;
 137                          }
 138                          $this->content->items[] = '<a title="'.$strmovefull.'" href="'.$CFG->wwwroot.'/course/mod.php?moveto='.$mod->id.'&amp;sesskey='.sesskey().'">'.
 139                              '<img style="height:16px; width:80px; border:0px" src="'.$OUTPUT->pix_url('movehere') . '" alt="'.$strmovehere.'" /></a>';
 140                          $this->content->icons[] = '';
 141                      }
 142                      $content = $mod->get_formatted_content(array('overflowdiv' => true, 'noclean' => true));
 143                      $instancename = $mod->get_formatted_name();
 144  
 145                      $linkcss = $mod->visible ? '' : ' class="dimmed" ';
 146  
 147                      if (!($url = $mod->url)) {
 148                          $this->content->items[] = $content . $editbuttons;
 149                          $this->content->icons[] = '';
 150                      } else {
 151                          //Accessibility: incidental image - should be empty Alt text
 152                          $icon = '<img src="' . $mod->get_icon_url() . '" class="icon" alt="" />&nbsp;';
 153                          $this->content->items[] = '<a title="' . $mod->modfullname . '" ' . $linkcss . ' ' . $mod->extra .
 154                              ' href="' . $url . '">' . $icon . $instancename . '</a>' . $editbuttons;
 155                      }
 156                  }
 157              }
 158          }
 159  
 160          if ($ismoving) {
 161              $this->content->items[] = '<a title="'.$strmovefull.'" href="'.$CFG->wwwroot.'/course/mod.php?movetosection='.$section->id.'&amp;sesskey='.sesskey().'">'.
 162                                        '<img style="height:16px; width:80px; border:0px" src="'.$OUTPUT->pix_url('movehere') . '" alt="'.$strmovehere.'" /></a>';
 163              $this->content->icons[] = '';
 164          }
 165  
 166          $this->content->footer = $courserenderer->course_section_add_cm_control($course,
 167                  0, null, array('inblock' => true));
 168  
 169          return $this->content;
 170      }
 171  }