blocks/community/block_community.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  * @package block_community
  19  * @author     Jerome Mouneyrac <jerome@mouneyrac.com>
  20  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL
  21  * @copyright  (C) 1999 onwards Martin Dougiamas  http://dougiamas.com
  22  *
  23  * The community block
  24  */
  25
  26 class block_community extends block_list {
  27
  28     function init() {
  29         $this->title = get_string('pluginname', 'block_community');
  30     }
  31
  32     function user_can_addto($page) {
  33         // Don't allow people to add the block if they can't even use it
  34         if (!has_capability('moodle/community:add', $page->context)) {
  35             return false;
  36         }
  37
  38         return parent::user_can_addto($page);
  39     }
  40
  41     function user_can_edit() {
  42         // Don't allow people to edit the block if they can't even use it
  43         if (!has_capability('moodle/community:add',
  44                         context::instance_by_id($this->instance->parentcontextid))) {
  45             return false;
  46         }
  47         return parent::user_can_edit();
  48     }
  49
  50     function get_content() {
  51         global $CFG, $OUTPUT, $USER;
  52
  53         $coursecontext = context::instance_by_id($this->instance->parentcontextid);
  54
  55         if (!has_capability('moodle/community:add', $coursecontext)
  56                 or $this->content !== NULL) {
  57             return $this->content;
  58         }
  59
  60         $this->content = new stdClass();
  61         $this->content->items = array();
  62         $this->content->icons = array();
  63         $this->content->footer = '';
  64
  65         if (!isloggedin()) {
  66             return $this->content;
  67         }
  68
  69         $icon = $OUTPUT->pix_icon('i/group', get_string('group'));
  70         $addcourseurl = new moodle_url('/blocks/community/communitycourse.php',
  71                         array('add' => true, 'courseid' => $this->page->course->id));
  72         $searchlink = html_writer::tag('a', $icon . get_string('addcourse', 'block_community'),
  73                         array('href' => $addcourseurl->out(false)));
  74         $this->content->items[] = $searchlink;
  75
  76         require_once($CFG->dirroot . '/blocks/community/locallib.php');
  77         $communitymanager = new block_community_manager();
  78         $courses = $communitymanager->block_community_get_courses($USER->id);
  79         if ($courses) {
  80             $this->content->items[] = html_writer::empty_tag('hr');
  81             $this->content->icons[] = '';
  82             $this->content->items[] = get_string('mycommunities', 'block_community');
  83             $this->content->icons[] = '';
  84             foreach ($courses as $course) {
  85                 //delete link
  86                 $deleteicon = $OUTPUT->pix_icon('t/delete', get_string('removecommunitycourse', 'block_community'));
  87                 $deleteurl = new moodle_url('/blocks/community/communitycourse.php',
  88                                 array('remove' => true,
  89                                     'courseid' => $this->page->course->id,
  90                                     'communityid' => $course->id, 'sesskey' => sesskey()));
  91                 $deleteatag = html_writer::tag('a', $deleteicon, array('href' => $deleteurl));
  92
  93                 $courselink = html_writer::tag('a', $course->coursename,
  94                                 array('href' => $course->courseurl));
  95                 $this->content->items[] = $courselink . ' ' . $deleteatag;
  96                 $this->content->icons[] = '';
  97             }
  98         }
  99
 100         return $this->content;
 101     }
 102
 103 }
 104