/**
* Creates the blocks main content
*
* @return string
*/
public function get_content()
{
global $USER, $COURSE, $CFG, $OUTPUT, $DB;
// If content has already been generated, don't waste time generating it again.
if ($this->content !== null) {
return $this->content;
}
$this->content = new stdClass();
$this->content->text = '';
$this->content->footer = '';
$blockinstancesonpage = array();
// Guests do not have any progress. Don't show them the block.
if (!isloggedin() or isguestuser()) {
return $this->content;
}
// Draw the multi-bar content for the Dashboard and Front page.
if (block_progress_on_site_page()) {
$courses = enrol_get_my_courses();
$coursenametoshow = get_config('block_progress', 'coursenametoshow') ?: 'shortname';
$sql = "SELECT bi.id,\n bp.id AS blockpositionid,\n COALESCE(bp.region, bi.defaultregion) AS region,\n COALESCE(bp.weight, bi.defaultweight) AS weight,\n COALESCE(bp.visible, 1) AS visible,\n bi.configdata\n FROM {block_instances} bi\n LEFT JOIN {block_positions} bp ON bp.blockinstanceid = bi.id\n AND " . $DB->sql_like('bp.pagetype', ':pagetype', false) . "\n WHERE bi.blockname = 'progress'\n AND bi.parentcontextid = :contextid\n ORDER BY region, weight, bi.id";
foreach ($courses as $courseid => $course) {
// Get specific block config and context.
$modules = block_progress_modules_in_use($course->id);
if ($course->visible && !empty($modules)) {
$context = block_progress_get_course_context($course->id);
$params = array('contextid' => $context->id, 'pagetype' => 'course-view-%');
$blockinstances = $DB->get_records_sql($sql, $params);
$blockinstancesonpage = array_merge($blockinstancesonpage, array_keys($blockinstances));
foreach ($blockinstances as $blockid => $blockinstance) {
$blockinstance->config = unserialize(base64_decode($blockinstance->configdata));
if (!empty($blockinstance->config)) {
$blockinstance->events = block_progress_event_information($blockinstance->config, $modules, $course->id);
$blockinstance->events = block_progress_filter_visibility($blockinstance->events, $USER->id, $context, $course);
}
if ($blockinstance->visible == 0 || empty($blockinstance->config) || $blockinstance->events == 0 || !empty($blockinstance->config->group) && !has_capability('moodle/site:accessallgroups', $context) && !groups_is_member($blockinstance->config->group, $USER->id)) {
unset($blockinstances[$blockid]);
}
}
// Output the Progress Bar.
if (!empty($blockinstances)) {
$courselink = new moodle_url('/course/view.php', array('id' => $course->id));
$linktext = HTML_WRITER::tag('h3', s($course->{$coursenametoshow}));
$this->content->text .= HTML_WRITER::link($courselink, $linktext);
}
foreach ($blockinstances as $blockid => $blockinstance) {
if ($blockinstance->config->progressTitle != '') {
$this->content->text .= HTML_WRITER::tag('p', s(format_string($blockinstance->config->progressTitle)));
}
$attempts = block_progress_attempts($modules, $blockinstance->config, $blockinstance->events, $USER->id, $course->id);
$this->content->text .= block_progress_bar($modules, $blockinstance->config, $blockinstance->events, $USER->id, $blockinstance->id, $attempts, $course->id);
}
}
}
// Show a message explaining lack of bars, but only while editing is on.
if ($this->page->user_is_editing() && $this->content->text == '') {
$this->content->text = get_string('no_blocks', 'block_progress');
}
} else {
// Check if user is in group for block.
if (!empty($this->config->group) && !has_capability('moodle/site:accessallgroups', $this->context) && !groups_is_member($this->config->group, $USER->id)) {
return $this->content;
}
// Check if any activities/resources have been created.
$modules = block_progress_modules_in_use($COURSE->id);
if (empty($modules)) {
if (has_capability('moodle/block:edit', $this->context)) {
$this->content->text .= get_string('no_events_config_message', 'block_progress');
}
return $this->content;
}
// Check if activities/resources have been selected in config.
$events = block_progress_event_information($this->config, $modules, $COURSE->id);
$context = block_progress_get_course_context($COURSE->id);
$events = block_progress_filter_visibility($events, $USER->id, $context);
if ($events === null || $events === 0) {
if (has_capability('moodle/block:edit', $this->context)) {
$this->content->text .= get_string('no_events_message', 'block_progress');
if ($USER->editing) {
$parameters = array('id' => $COURSE->id, 'sesskey' => sesskey(), 'bui_editid' => $this->instance->id);
$url = new moodle_url('/course/view.php', $parameters);
$label = get_string('selectitemstobeadded', 'block_progress');
$this->content->text .= $OUTPUT->single_button($url, $label);
if ($events === 0) {
$url->param('turnallon', '1');
$label = get_string('addallcurrentitems', 'block_progress');
$this->content->text .= $OUTPUT->single_button($url, $label);
}
}
}
return $this->content;
} else {
if (empty($events)) {
if (has_capability('moodle/block:edit', $this->context)) {
$this->content->text .= get_string('no_visible_events_message', 'block_progress');
}
return $this->content;
}
}
// Display progress bar.
$attempts = block_progress_attempts($modules, $this->config, $events, $USER->id, $COURSE->id);
$this->content->text = block_progress_bar($modules, $this->config, $events, $USER->id, $this->instance->id, $attempts, $COURSE->id);
$blockinstancesonpage = array($this->instance->id);
// Allow teachers to access the overview page.
if (has_capability('block/progress:overview', $this->context)) {
$parameters = array('progressbarid' => $this->instance->id, 'courseid' => $COURSE->id);
$url = new moodle_url('/blocks/progress/overview.php', $parameters);
$label = get_string('overview', 'block_progress');
$options = array('class' => 'overviewButton');
$this->content->text .= $OUTPUT->single_button($url, $label, 'post', $options);
}
}
// Organise access to JS.
$jsmodule = array('name' => 'block_progress', 'fullpath' => '/blocks/progress/module.js', 'requires' => array(), 'strings' => array());
$arguments = array($blockinstancesonpage, array($USER->id));
$this->page->requires->js_init_call('M.block_progress.init', $arguments, false, $jsmodule);
return $this->content;
}
for ($i = $startuser; $i < $enduser; $i++) {
if ($CFG->enablenotes || $CFG->messaging) {
$selectattributes = array('type' => 'checkbox', 'class' => 'usercheckbox', 'name' => 'user' . $users[$i]->id);
$select = html_writer::empty_tag('input', $selectattributes);
}
$picture = $OUTPUT->user_picture($users[$i], array('course' => $course->id));
$namelink = html_writer::link($CFG->wwwroot . '/user/view.php?id=' . $users[$i]->id . '&course=' . $course->id, fullname($users[$i]));
if (empty($users[$i]->lastonlinetime)) {
$lastonline = get_string('never');
} else {
$lastonline = userdate($users[$i]->lastonlinetime);
}
$userevents = block_progress_filter_visibility($events, $users[$i]->id, $context, $course);
if (!empty($userevents)) {
$attempts = block_progress_attempts($modules, $progressconfig, $userevents, $users[$i]->id, $course->id);
$progressbar = block_progress_bar($modules, $progressconfig, $userevents, $users[$i]->id, $progressblock->id, $attempts, $course->id, true);
$progressvalue = block_progress_percentage($userevents, $attempts, true);
$progress = $progressvalue . '%';
} else {
$progressbar = get_string('no_visible_events_message', 'block_progress');
$progressvalue = 0;
$progress = '?';
}
$rows[] = array('firstname' => $users[$i]->firstname, 'lastname' => strtoupper($users[$i]->lastname), 'select' => $select, 'picture' => $picture, 'fullname' => $namelink, 'lastonlinetime' => $users[$i]->lastonlinetime, 'lastonline' => $lastonline, 'progressbar' => $progressbar, 'progressvalue' => $progressvalue, 'progress' => $progress);
}
// Build the table content and output.
if ($sortbyprogress) {
usort($rows, 'block_progress_compare_rows');
}
if ($numberofusers > 0) {
foreach ($rows as $row) {