/**
* This will check for a user and return the user_id if one can be found
* @param string $msg the error message
* @return int the user_id
* @throws ClickerSecurityException if no user can be found
*/
function iclicker_get_and_check_current_user($msg)
{
$user_id = iclicker_service::get_current_user_id();
if (!$user_id) {
throw new ClickerSecurityException("Only logged in users can {$msg}");
}
if (!iclicker_service::is_admin($user_id) && !iclicker_service::is_instructor($user_id)) {
throw new ClickerSecurityException("Only instructors can " . $msg);
}
return $user_id;
}
/* forced to sharing on for now
<li class="admin_config_list_item">
<?php echo iclicker_service::msg('config_allow_sharing') ?>:
<?php echo (iclicker_service::$allow_remote_sharing) ? iclicker_service::msg('app.allowed') : iclicker_service::msg('config_notify_emails_disabled') ?>
</li> */
?>
</ul>
</fieldset>
</div>
<div class="nav_links">
<?php
$reg_link = '<a class="nav_link" href="' . iclicker_service::block_url('registration.php') . '">' . iclicker_service::msg('reg.title') . '</a>';
$nav_links = $reg_link . PHP_EOL;
// the other links
if (iclicker_service::is_instructor()) {
$nav_links .= ' | <a class="nav_link" href="' . iclicker_service::block_url('instructor.php') . '">' . iclicker_service::msg('inst.title') . '</a>' . PHP_EOL;
if (iclicker_service::$block_iclicker_sso_enabled) {
$nav_links .= ' | <a class="nav_link" href="' . iclicker_service::block_url('instructor_sso.php') . '">' . iclicker_service::msg('inst.sso.title') . '</a>' . PHP_EOL;
}
}
$nav_links .= ' | <a class="nav_link current_nav_link" href="' . iclicker_service::block_url('admin.php') . '">' . iclicker_service::msg('admin.title') . '</a>' . PHP_EOL;
echo $nav_links;
?>
</div>
<div class="iclicker_version">Version <?php
echo iclicker_service::VERSION;
?>
(<?php
echo iclicker_service::BLOCK_VERSION;
public function processInstructorSSO()
{
$this->results['instPath'] = iclicker_service::block_url('instructor.php');
// admin/instructor check
if (!iclicker_service::is_admin() && !iclicker_service::is_instructor()) {
throw new ClickerSecurityException("Current user is not an instructor and cannot access the instructor view");
}
$this->results['sso_enabled'] = iclicker_service::$block_iclicker_sso_enabled;
$current_user_id = iclicker_service::get_current_user_id();
if (iclicker_service::$block_iclicker_sso_enabled) {
$current_user_key = null;
if ('POST' == $this->method) {
if (optional_param('generateKey', false, PARAM_ALPHANUM) != null) {
// handle generating a new key
$current_user_key = iclicker_service::makeUserKey($current_user_id, true);
$this->addMessage(self::KEY_INFO, 'inst.sso.generated.new.key', null);
}
}
if ($current_user_key == null) {
$current_user_key = iclicker_service::makeUserKey($current_user_id, false);
}
$this->results['sso_user_key'] = $current_user_key;
}
//$current_user_key = iclicker_service::makeUserKey($current_user_id);
//$this->results['sso_user_key'] = $current_user_key;
}
/**
* Determines the content to display in a block
*
* Blocks use two properties of $this->content: "text" and "footer".
* The text is displayed as-is as the block content, and the footer is displayed below the content in a smaller font size.
*
* List blocks use $this->content->footer in the exact same way,
* but they ignore $this->content->text.
* Moodle expects such blocks to set two other properties when the get_content() method is called:
* $this->content->items and $this->content->icons.
* $this->content->items should be a numerically indexed array containing elements that
* represent the HTML for each item in the list that is going to be displayed.
* Usually these items will be HTML anchor tags which provide links to some page.
* $this->content->icons should also be a numerically indexed array, with exactly as many items
* as $this->content->items has. Each of these items should be a fully qualified HTML <img> tag,
* with "src", "height", "width" and "alt" attributes. Obviously, it makes sense to keep the images
* small and of a uniform size.
* In order to tell Moodle that we want to have a list block instead of the standard text block,
* we need to make a small change to our block class declaration.
* Instead of extending class block_base, our block will extend class block_list.
*
* You can hide the block by displaying nothing. That means that both
* $this->content->text and $this->content->footer are each equal to the
* empty string (''). Moodle performs this check by calling the block's
* is_empty() method, and if the block is indeed empty then it is not
* displayed at all.
*
* @return string the content to display in the block
*/
function get_content()
{
// for iclicker we will just render links here and possibly an indicator to show if you have registered a clicker
global $CFG, $USER, $COURSE;
if ($this->content !== null) {
return $this->content;
}
$this->content = new stdClass();
$this->content->text = '';
if (iclicker_service::get_current_user_id()) {
$this->content->text = "<div class='iclicker_nav_items'>\n";
$reg_link = '<a href="' . iclicker_service::block_url('registration.php') . '">' . iclicker_service::msg('reg.title') . '</a><br/>';
$this->content->text .= " " . $reg_link . "\n";
// also show the list of currently registered clickers
$clicker_list_html = '';
if ($clickers = iclicker_service::get_registrations_by_user(null, true)) {
$clicker_list_html .= " <ul class='iclicker_clickerids'>" . PHP_EOL;
foreach ($clickers as $clicker) {
$clicker_list_html .= " <li class='iclicker_clickerid'>{$clicker->clicker_id}</li>" . PHP_EOL;
}
$clicker_list_html .= " </ul>\n";
}
$this->content->text .= $clicker_list_html;
// the other links
if (iclicker_service::is_admin()) {
$link = '<a href="' . iclicker_service::block_url('admin.php') . '">' . iclicker_service::msg('admin.title') . '</a><br/>' . PHP_EOL;
$this->content->text .= " " . $link . "\n";
// remove inst link after testing complete
//$link = '<b><i>remove inst link</i></b> <a href="'.iclicker_service::block_url('instructor.php').'">'.iclicker_service::msg('inst.title').'</a>';
//$this->content->text .= " ".$link."\n";
} else {
if (iclicker_service::is_instructor()) {
$link = '<a href="' . iclicker_service::block_url('instructor.php') . '">' . iclicker_service::msg('inst.title') . '</a><br/>' . PHP_EOL;
$sso_link = '';
if (iclicker_service::$block_iclicker_sso_enabled) {
$sso_link = '<a class="nav_link" href="' . iclicker_service::block_url('instructor_sso.php') . '">' . iclicker_service::msg('inst.sso.title') . '</a><br/>' . PHP_EOL;
}
$this->content->text .= ' ' . $link . $sso_link;
}
}
// close out the html
$this->content->text .= "</div>" . PHP_EOL;
}
// FOOTER
//$this->content->footer = '<a href="'.$CFG->wwwroot.'/blocks/iclicker/page.php?blockid='.$this->instance->id.'&courseid='.$COURSE->id.'">'.get_string('addpage', 'block_iclicker').'</a>';
$this->content->footer = '';
// Sample list items
//$this->content->items[] = '<a href="some_file.php">Menu Option 1</a>';
//$this->content->icons[] = '<img src="images/icons/1.gif" class="icon" alt="" />';
return $this->content;
}
