File Source for course.php

<?php
// This file is part of the Sloodle project (www.sloodle.org)
/**
* Defines a class to render a view of SLOODLE course information.
* Class is inherited from the base view class.
*
* @package sloodle
* @copyright Copyright (c) 2008 Sloodle (various contributors)
* @license http://www.gnu.org/licenses/gpl-3.0.html GNU GPL v3
*
* @contributor Peter R. Bloomfield
*
*/
/** The base view class */
require_once(SLOODLE_DIRROOT.'/view/base/base_view.php');
/** SLOODLE course data structure */
require_once(SLOODLE_LIBROOT.'/course.php');
/**
* Class for rendering a view of SLOODLE course information.
* @package sloodle
*/
class sloodle_view_course extends sloodle_base_view
{
/**
* The VLE course object, retrieved directly from database.
* @var object
* @access private
*/
var $course = 0;
/**
* SLOODLE course object, retrieved directly from database.
* @var object
* @access private
*/
var $sloodle_course = null;
/**
* Course context for Moodle permissions.
* @var object
* @access private
*/
var $course_context = null;
/**
* Constructor.
*/
function sloodle_view_course()
{
}
/**
* Check the request parameters to see which course was specified.
*/
function process_request()
{
$id = required_param('id', PARAM_INT);
if (!$this->course = get_record('course', 'id', $id)) error('Could not find course.');
$this->sloodle_course = new SloodleCourse();
if (!$this->sloodle_course->load($this->course)) error(get_string('failedcourseload', 'sloodle'));
}
/**
* Check that the user is logged-in and has permission to alter course settings.
*/
function check_permission()
{
// Ensure the user logs in
require_login($this->course->id);
if (isguestuser()) error(get_string('noguestaccess', 'sloodle'));
add_to_log($this->course->id, 'course', 'view sloodle data', '', "{$this->course->id}");
// Ensure the user is allowed to update information on this course
$this->course_context = get_context_instance(CONTEXT_COURSE, $this->course->id);
require_capability('moodle/course:update', $this->course_context);
}
/**
* Print the course settings page header.
*/
function print_header()
{
global $CFG;
$navigation = "<a href=\"{$CFG->wwwroot}/mod/sloodle/view_course.php?id={$this->course->id}\">".get_string('courseconfig', 'sloodle')."</a>";
print_header_simple(get_string('courseconfig','sloodle'), "", $navigation, "", "", true, '', navmenu($this->course));
}
/**
* Render the view of the module or feature.
* This MUST be overridden to provide functionality.
*/
function render()
{
global $CFG;
// Fetch string table text
$strsloodle = get_string('modulename', 'sloodle');
$strsloodles = get_string('modulenameplural', 'sloodle');
$strsavechanges = get_string('savechanges');
$stryes = get_string('yes');
$strno = get_string('no');
$strenabled = get_string('enabled','sloodle');
$strdisabled = get_string('disabled','sloodle');
$strsubmit = get_string('submit', 'sloodle');
//------------------------------------------------------
// If the form has been submitted, then process the input
if (isset($_REQUEST['submit_course_options'])) {
// Get the parameters
$form_autoreg = required_param('autoreg', PARAM_BOOL);
$form_autoenrol = required_param('autoenrol', PARAM_BOOL);
// Update the Sloodle course object
if ($form_autoreg) $this->sloodle_course->enable_autoreg();
else $this->sloodle_course->disable_autoreg();
if ($form_autoenrol) $this->sloodle_course->enable_autoenrol();
else $this->sloodle_course->disable_autoenrol();
// Update the database
if ($this->sloodle_course->write()) {
redirect("view_course.php?id={$this->course->id}", get_string('changessaved'), 4);
exit();
} else {
print_box(get_string('error'), 'generalbox boxwidthnarrow boxaligncenter');
}
}
//------------------------------------------------------
// Display info about Sloodle course configuration
echo "<h1 style=\"text-align:center;\">".get_string('courseconfig','sloodle')."</h1>\n";
print_box(get_string('courseconfig:info','sloodle'), 'generalbox boxaligncenter boxwidthnormal');
echo "<br/>\n";
// Get the initial form values
$val_autoreg = (int)(($this->sloodle_course->get_autoreg()) ? 1 : 0);
$val_autoenrol = (int)(($this->sloodle_course->get_autoenrol()) ? 1 : 0);
// Make the selection options for enabling/disabling items
$selection_menu = array(0 => $strdisabled, 1 => $strenabled);
// Start the box
print_box_start('generalbox boxaligncenter boxwidthnormal');
echo '<div style="text-align:center;"><h3>'.get_string('coursesettings','sloodle').'</h3>';
// Start the form (including a course ID hidden parameter)
echo "<form action=\"view_course.php\" method=\"post\">\n";
echo "<input type=\"hidden\" name=\"id\" value=\"{$this->course->id}\">\n";
// AUTO REGISTRATION //
echo "<p>\n";
helpbutton('auto_registration', get_string('help:autoreg','sloodle'), 'sloodle', true, false, '', false);
echo get_string('autoreg', 'sloodle').': ';
choose_from_menu($selection_menu, 'autoreg', $val_autoreg, '', '', 0, false);
// Add the site status
if (!sloodle_autoreg_enabled_site()) echo '<br/> <span style="color:red; font-style:italic; font-size:80%;">('.get_string('autoreg:disabled','sloodle').')</span>';
echo "</p>\n";
// AUTO ENROLMENT //
echo "<p>\n";
helpbutton('auto_enrolment', get_string('help:autoenrol','sloodle'), 'sloodle', true, false, '', false);
echo get_string('autoenrol', 'sloodle').': ';
choose_from_menu($selection_menu, 'autoenrol', $val_autoenrol, '', '', 0, false);
// Add the site status
if (!sloodle_autoenrol_enabled_site()) echo '<br/> <span style="color:red; font-style:italic; font-size:80%;">('.get_string('autoenrol:disabled','sloodle').')</span>';
echo '</p>';
// Close the form, along with a submit button
echo "<input type=\"submit\" value=\"$strsubmit\" name=\"submit_course_options\"\>\n</form>\n";
// Finish the box
echo '</div>';
print_box_end();
//------------------------------------------------------
// Loginzone information
print_box_start('generalbox boxaligncenter boxwidthnarrow');
echo '<div style="text-align:center;"><h3>'.get_string('loginzonedata','sloodle').'</h3>';
$lastupdated = '('.get_string('unknown','sloodle').')';
if ($this->sloodle_course->get_loginzone_time_updated() > 0) $lastupdated = date('Y-m-d H:i:s', $this->sloodle_course->get_loginzone_time_updated());
echo get_string('position','sloodle').': '.$this->sloodle_course->get_loginzone_position().'<br>';
echo get_string('size','sloodle').': '.$this->sloodle_course->get_loginzone_size().'<br>';
echo get_string('region','sloodle').': '.$this->sloodle_course->get_loginzone_region().'<br>';
echo get_string('lastupdated','sloodle').': '.$lastupdated.'<br>';
echo '<br>';
// Have we been instructed to clear all pending allocations?
if (isset($_REQUEST['clear_loginzone_allocations'])) {
// Delete all allocations relating to this course
delete_records('sloodle_loginzone_allocation', 'course', $this->course->id);
}
// Create a form
echo "<form action=\"view_course.php\" method=\"POST\">\n";
echo "<input type=\"hidden\" name=\"id\" value=\"{$this->course->id}\">\n";
// Determine how many allocations there are for this course
$allocs = count_records('sloodle_loginzone_allocation', 'course', $this->course->id);
echo get_string('pendingallocations','sloodle').': '.$allocs.'  ';
echo '<input type="submit" name="clear_loginzone_allocations" value="'.get_string('delete','sloodle').'"/>';
echo "</form>\n";
echo '</div>';
print_box_end();
//------------------------------------------------------
// Check the user's permissions regarding layouts
$layouts_can_use = has_capability('mod/sloodle:uselayouts', $this->course_context);
$layouts_can_edit = has_capability('mod/sloodle:editlayouts', $this->course_context);
$layouts_can_edit = true;
$layouts_can_use = true;
$course = $this->course;
// Only display the layouts if they can use them
if ($layouts_can_use) {
// Start the section
echo '<a name="layouts"> <a>';
print_box_start('generalbox boxaligncenter boxwidthnormal');
echo '<div style="text-align:center;"><h3>'.get_string('storedlayouts','sloodle').'</h3>';
// Has a delete layouts action been requested, and is it permitted for this user?
if (isset($_REQUEST['delete_layouts']) && $layouts_can_edit == true) {
// Count how many layouts we delete
$numdeleted = 0;
// Go through each request parameter
foreach ($_REQUEST as $name => $val) {
// Is this a delete objects request?
if ($val != 'true') continue;
$parts = explode('_', $name);
if (count($parts) == 2 && $parts[0] == 'sloodledeletelayout') {
// Only delete the layout if it belongs to the course
if (delete_records('sloodle_layout', 'course', $course->id, 'id', (int)$parts[1])) {
$numdeleted++;
// Delete associated entries too
delete_records('sloodle_layout_entry', 'layout', (int)$parts[1]);
}
}
}
// Indicate our results
echo '<span style="color:red; font-weight:bold;">'.get_string('numdeleted','sloodle').': '.$numdeleted.'</span><br><br>';
}
// This will store the "disabled" attribute for our delete controls, if necessary
$disabledattr = ' disabled="true" ';
if ($layouts_can_edit) $disabledattr = '';
// Get all layouts stored in this course
$recs = get_records('sloodle_layout', 'course', $course->id, 'name');
if (is_array($recs) && count($recs) > 0) {
// Construct a table
$layouts_table = new stdClass();
$layouts_table->head = array(get_string('name','sloodle'),get_string('numobjects','sloodle'),get_string('lastupdated','sloodle'),'','');
$layout_table->align = array('left', 'left', 'left', 'center');
foreach ($recs as $layout) {
// Get the number of objects associated with this layout
$numobjects = count_records('sloodle_layout_entry', 'layout', $layout->id);
$timeupdated = ((int)$layout->timeupdated == 0) ? '('.get_string('unknown','sloodle').')' : date('Y-m-d H:i:s', (int)$layout->timeupdated);
$layouts_table->data[] = array($layout->name, $numobjects, $timeupdated, '<a href="view_layout.php?courseid='.$course->id.'&layoutid='.$layout->id.'">Edit</a>',"<input $disabledattr type=\"checkbox\" name=\"sloodledeletelayout_{$layout->id}\" value=\"true\" /");
}
// Display a form and the table
echo '<form action="view_course.php" method="POST">';
echo '<input type="hidden" name="id" value="'.$course->id.'"/>';
print_table($layouts_table);
if ($layouts_can_edit) echo '<input type="submit" value="'.get_string('deleteselected','sloodle').'" name="delete_layouts"/>';
echo '</form>';
} else {
echo '<span style="text-align:center;color:red">'.get_string('noentries','sloodle').'</span><br>';
}
echo '<br />';
echo '<a href="view_layout.php?layoutid=0&courseid='.$course->id.'">Create a layout for this course</a>';
echo '</div>';
print_box_end();
}
}
/**
* Print the footer for this course.
*/
function print_footer()
{
print_footer($this->course);
}
}
?>

Documentation generated on Fri, 17 Jul 2009 11:01:11 +0100 by phpDocumentor 1.4.0

Source for file course.php