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<?PHP //$Id: block_section_links.php,v 1.18.2.1 2006/06/13 07:47:51 vyshane Exp $
class block_section_links extends block_base {
function init() {
$this->title = get_string('blockname', 'block_section_links');
$this->version = 2004052800;
}
function instance_config($instance) {
parent::instance_config($instance);
$course = get_record('course', 'id', $this->instance->pageid);
if (isset($course->format)) {
if ($course->format == 'topics') {
$this->title = get_string('topics', 'block_section_links');
} else if ($course->format == 'weeks') {
$this->title = get_string('weeks', 'block_section_links');
} else {
$this->title = get_string('blockname', 'block_section_links');
}
}
}
function applicable_formats() {
return (array('course-view-weeks' => true, 'course-view-topics' => true, 'course-edit-weeks' => true, 'course-edit-topics' => true));
}
function get_content() {
global $CFG, $USER;
$highlight = 0;
if ($this->content !== NULL) {
return $this->content;
}
$this->content = New stdClass;
$this->content->footer = '';
$this->content->text = '';
if (empty($this->instance)) {
return $this->content;
}
$course = get_record('course', 'id', $this->instance->pageid);
if ($course->format == 'weeks') {
$highlight = ceil((time()-$course->startdate)/604800);
$linktext = get_string('jumptocurrentweek', 'block_section_links');
$sectionname = 'week';
}
else if ($course->format == 'topics') {
$highlight = $course->marker;
$linktext = get_string('jumptocurrenttopic', 'block_section_links');
$sectionname = 'topic';
}
$inc = 1;
if ($course->numsections > 22) {
$inc = 2;
}
if ($course->numsections > 40) {
$inc = 5;
}
if (!empty($USER->id)) {
$display = get_field('course_display', 'display', 'course', $this->instance->pageid, 'userid', $USER->id);
}
if (!empty($display)) {
$link = $CFG->wwwroot.'/course/view.php?id='.$this->instance->pageid.'&'.$sectionname.'=';
} else {
$link = '#section-';
}
$text = '';
for ($i = $inc; $i <= $course->numsections; $i += $inc) {
$isvisible = get_field('course_sections', 'visible', 'course', $this->instance->pageid, 'section', $i);
if (!$isvisible and !isteacher($this->instance->pageid)) {
continue;
}
$style = ($isvisible) ? '' : ' class="dimmed"';
if ($i == $highlight) {
$text .= "<a href=\"$link$i\"$style><b>$i</b></a> ";
} else {
$text .= "<a href=\"$link$i\"$style>$i</a> ";
}
}
if ($highlight) {
$isvisible = get_field('course_sections', 'visible', 'course', $this->instance->pageid, 'section', $highlight);
if ($isvisible or isteacher($this->instance->pageid)) {
$style = ($isvisible) ? '' : ' class="dimmed"';
$text .= "<br /><a href=\"$link$highlight\"$style>$linktext</a>";
}
}
$this->content = New stdClass;
$this->content->footer = '';
$this->content->text = $text;
return $this->content;
}
}
?>
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