blocks/course_list/block_course_list.php

   1 <?PHP //$Id$
   2
   3 include_once($CFG->dirroot . '/course/lib.php');
   4
   5 class block_course_list extends block_list {
   6     function init() {
   7         $this->title = get_string('courses');
   8         $this->version = 2007101509;
   9     }
  10
  11     function has_config() {
  12         return true;
  13     }
  14
  15     function get_content() {
  16         global $THEME, $CFG, $USER;
  17
  18         if($this->content !== NULL) {
  19             return $this->content;
  20         }
  21
  22         $this->content = new stdClass;
  23         $this->content->items = array();
  24         $this->content->icons = array();
  25         $this->content->footer = '';
  26
  27         $icon  = "<img src=\"$CFG->pixpath/i/course.gif\"".
  28                  " class=\"icon\" alt=\"".get_string("coursecategory")."\" />";
  29
  30         $adminseesall = true;
  31         if (isset($CFG->block_course_list_adminview)) {
  32            if ( $CFG->block_course_list_adminview == 'own'){
  33                $adminseesall = false;
  34            }
  35         }
  36
  37         if (empty($CFG->disablemycourses) and
  38             !empty($USER->id) and
  39             !(has_capability('moodle/course:update', get_context_instance(CONTEXT_SYSTEM)) and $adminseesall) and
  40             !isguest()) {    // Just print My Courses
  41             if ($courses = get_my_courses($USER->id, 'visible DESC, fullname ASC')) {
  42                 foreach ($courses as $course) {
  43                     if ($course->id == SITEID) {
  44                         continue;
  45                     }
  46                     $linkcss = $course->visible ? "" : " class=\"dimmed\" ";
  47                     $this->content->items[]="<a $linkcss title=\"" . format_string($course->shortname) . "\" ".
  48                                "href=\"$CFG->wwwroot/course/view.php?id=$course->id\">" . format_string($course->fullname) . "</a>";
  49                     $this->content->icons[]=$icon;
  50                 }
  51                 $this->title = get_string('mycourses');
  52             /// If we can update any course of the view all isn't hidden, show the view all courses link
  53                 if (has_capability('moodle/course:update', get_context_instance(CONTEXT_SYSTEM)) || empty($CFG->block_course_list_hideallcourseslink)) {
  54                     $this->content->footer = "<a href=\"$CFG->wwwroot/course/index.php\">".get_string("fulllistofcourses")."</a> ...";
  55                 }
  56                 $this->get_remote_courses();
  57                 if ($this->content->items) { // make sure we don't return an empty list
  58                     return $this->content;
  59                 }
  60             }
  61         }
  62
  63         $categories = get_categories("0");  // Parent = 0   ie top-level categories only
  64         if ($categories) {   //Check we have categories
  65             if (count($categories) > 1 || (count($categories) == 1 && count_records('course') > 200)) {     // Just print top level category links
  66                 foreach ($categories as $category) {
  67                     $linkcss = $category->visible ? "" : " class=\"dimmed\" ";
  68                     $this->content->items[]="<a $linkcss href=\"$CFG->wwwroot/course/category.php?id=$category->id\">" . format_string($category->name) . "</a>";
  69                     $this->content->icons[]=$icon;
  70                 }
  71             /// If we can update any course of the view all isn't hidden, show the view all courses link
  72                 if (has_capability('moodle/course:update', get_context_instance(CONTEXT_SYSTEM)) || empty($CFG->block_course_list_hideallcourseslink)) {
  73                     $this->content->footer .= "<a href=\"$CFG->wwwroot/course/index.php\">".get_string('fulllistofcourses').'</a> ...';
  74                 }
  75                 $this->title = get_string('categories');
  76             } else {                          // Just print course names of single category
  77                 $category = array_shift($categories);
  78                 $courses = get_courses($category->id);
  79
  80                 if ($courses) {
  81                     foreach ($courses as $course) {
  82                         $linkcss = $course->visible ? "" : " class=\"dimmed\" ";
  83
  84                         $this->content->items[]="<a $linkcss title=\""
  85                                    . format_string($course->shortname)."\" ".
  86                                    "href=\"$CFG->wwwroot/course/view.php?id=$course->id\">"
  87                                    .  format_string($course->fullname) . "</a>";
  88                         $this->content->icons[]=$icon;
  89                     }
  90                 /// If we can update any course of the view all isn't hidden, show the view all courses link
  91                     if (has_capability('moodle/course:update', get_context_instance(CONTEXT_SYSTEM)) || empty($CFG->block_course_list_hideallcourseslink)) {
  92                         $this->content->footer .= "<a href=\"$CFG->wwwroot/course/index.php\">".get_string('fulllistofcourses').'</a> ...';
  93                     }
  94                     $this->get_remote_courses();
  95                 } else {
  96
  97                     $this->content->icons[] = '';
  98                     $this->content->items[] = get_string('nocoursesyet');
  99                     if (has_capability('moodle/course:create', get_context_instance(CONTEXT_COURSECAT, $category->id))) {
 100                         $this->content->footer = '<a href="'.$CFG->wwwroot.'/course/edit.php?category='.$category->id.'">'.get_string("addnewcourse").'</a> ...';
 101                     }
 102                     $this->get_remote_courses();
 103                 }
 104                 $this->title = get_string('courses');
 105             }
 106         }
 107
 108         return $this->content;
 109     }
 110
 111     function get_remote_courses() {
 112         global $THEME, $CFG, $USER;
 113
 114         if (!is_enabled_auth('mnet')) {
 115             // no need to query anything remote related
 116             return;
 117         }
 118
 119         $icon  = '<img src="'.$CFG->pixpath.'/i/mnethost.gif" class="icon" alt="'.get_string('course').'" />';
 120
 121         // only for logged in users!
 122         if (!isloggedin() || isguest()) {
 123             return false;
 124         }
 125
 126         if ($courses = get_my_remotecourses()) {
 127             $this->content->items[] = get_string('remotecourses','mnet');
 128             $this->content->icons[] = '';
 129             foreach ($courses as $course) {
 130                 $this->content->items[]="<a title=\"" . format_string($course->shortname) . "\" ".
 131                     "href=\"{$CFG->wwwroot}/auth/mnet/jump.php?hostid={$course->hostid}&amp;wantsurl=/course/view.php?id={$course->remoteid}\">"
 132                     . format_string($course->fullname) . "</a>";
 133                 $this->content->icons[]=$icon;
 134             }
 135             // if we listed courses, we are done
 136             return true;
 137         }
 138
 139         if ($hosts = get_my_remotehosts()) {
 140             $this->content->items[] = get_string('remotemoodles','mnet');
 141             $this->content->icons[] = '';
 142             foreach($USER->mnet_foreign_host_array as $somehost) {
 143                 $this->content->items[] = $somehost['count'].get_string('courseson','mnet').'<a title="'.$somehost['name'].'" href="'.$somehost['url'].'">'.$somehost['name'].'</a>';
 144                 $this->content->icons[] = $icon;
 145             }
 146             // if we listed hosts, done
 147             return true;
 148         }
 149
 150         return false;
 151     }
 152
 153 }
 154
 155 ?>