/**
* Adds a recycle bin link to the course admin menu.
*
* @param navigation_node $navigation The navigation node to extend
* @param context $context The context of the course
* @return void|null return null if we don't want to display the node.
*/
function tool_recyclebin_extend_navigation_category_settings($navigation, $context)
{
global $PAGE;
// Check if it is enabled.
if (!\tool_recyclebin\category_bin::is_enabled()) {
return null;
}
$categorybin = new \tool_recyclebin\category_bin($context->instanceid);
// Check we can view the recycle bin.
if (!$categorybin->can_view()) {
return null;
}
$url = null;
$settingnode = null;
// Add a link to the category recyclebin.
$url = new moodle_url('/admin/tool/recyclebin/index.php', array('contextid' => $context->id));
// If we are set to auto-hide, check the number of items.
$autohide = get_config('tool_recyclebin', 'autohide');
if ($autohide) {
$items = $categorybin->get_items();
if (empty($items)) {
return null;
}
}
// Add the recyclebin link.
$pluginname = get_string('pluginname', 'tool_recyclebin');
$node = navigation_node::create($pluginname, $url, navigation_node::NODETYPE_LEAF, 'tool_recyclebin', 'tool_recyclebin', new pix_icon('trash', $pluginname, 'tool_recyclebin'));
if ($PAGE->url->compare($url, URL_MATCH_BASE)) {
$node->make_active();
}
$navigation->add_node($node);
}
require_login($context->instanceid);
$recyclebin = new \tool_recyclebin\course_bin($context->instanceid);
if (!$recyclebin->can_view()) {
throw new required_capability_exception($context, 'tool/recyclebin:viewitems', 'nopermissions', '');
}
$PAGE->set_pagelayout('incourse');
// Set the $PAGE heading - this is also the same as the h2 heading.
$heading = format_string($COURSE->fullname, true, array('context' => $context)) . ': ' . get_string('pluginname', 'tool_recyclebin');
$PAGE->set_heading($heading);
// Get the expiry to use later.
$expiry = get_config('tool_recyclebin', 'coursebinexpiry');
break;
case CONTEXT_COURSECAT:
require_login();
$recyclebin = new \tool_recyclebin\category_bin($context->instanceid);
if (!$recyclebin->can_view()) {
throw new required_capability_exception($context, 'tool/recyclebin:viewitems', 'nopermissions', '');
}
$PAGE->set_pagelayout('admin');
// Set the $PAGE heading.
$PAGE->set_heading($COURSE->fullname);
// The h2 heading on the page is going to be different than the $PAGE heading.
$heading = $context->get_context_name() . ': ' . get_string('pluginname', 'tool_recyclebin');
// Get the expiry to use later.
$expiry = get_config('tool_recyclebin', 'categorybinexpiry');
break;
default:
print_error('invalidcontext', 'tool_recyclebin');
break;
}
if (!$recyclebin::is_enabled()) {
