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MDL-21655 whitespace fixed, better access control and moodle_url cleanup

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This commit is contained in:
Petr Skoda
2010-03-31 08:33:17 +00:00
parent 86758a5c60
commit cc3c90ac40
1 changed files with 298 additions and 306 deletions
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admin/roles/assign.php
+298 -306
View File
@@ -24,277 +24,267 @@
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
require_once(dirname(__FILE__) . '/../../config.php');
require_once($CFG->dirroot . '/' . $CFG->admin . '/roles/lib.php');
require_once(dirname(__FILE__) . '/../../config.php');
require_once($CFG->dirroot . '/' . $CFG->admin . '/roles/lib.php');
define("MAX_USERS_TO_LIST_PER_ROLE", 10);
define("MAX_USERS_TO_LIST_PER_ROLE", 10);
$contextid = required_param('contextid',PARAM_INT);
$roleid = optional_param('roleid', 0, PARAM_INT);
$userid = optional_param('userid', 0, PARAM_INT); // needed for user tabs
$courseid = optional_param('courseid', 0, PARAM_INT); // needed for user tabs
$extendperiod = optional_param('extendperiod', 0, PARAM_INT);
$extendbase = optional_param('extendbase', 3, PARAM_INT);
$contextid = required_param('contextid',PARAM_INT);
$roleid = optional_param('roleid', 0, PARAM_INT);
$courseid = optional_param('courseid', 0, PARAM_INT); // needed for user tabs
$extendperiod = optional_param('extendperiod', 0, PARAM_INT);
$extendbase = optional_param('extendbase', 3, PARAM_INT);
$urlparams = array('contextid' => $contextid);
if (!empty($userid)) {
$urlparams['userid'] = $userid;
}
if ($courseid && $courseid != SITEID) {
$urlparams['courseid'] = $courseid;
}
$PAGE->set_url('/admin/roles/assign.php', $urlparams);
$baseurl = $PAGE->url->out();
list($context, $course, $cm) = get_context_info_array($contextid);
if (! $context = get_context_instance_by_id($contextid)) {
print_error('wrongcontextid', 'error');
}
$isfrontpage = $context->contextlevel == CONTEXT_COURSE && $context->instanceid == SITEID;
$PAGE->set_context($context);
$contextname = print_context_name($context);
$PAGE->set_url('/admin/roles/assign.php', array('contextid' => $contextid));
$PAGE->set_context($context);
$inmeta = 0;
$cm = null;
if ($context->contextlevel == CONTEXT_COURSE) {
$courseid = $context->instanceid;
$userid = 0;
$tabfile = null;
} else if ($context->contextlevel == CONTEXT_MODULE) {
$cm = get_coursemodule_from_id('', $context->instanceid, 0, false, MUST_EXIST);
$courseid = $cm->course;
} else if (!empty($courseid)) { // we need this for user tabs in user context
// pass it
if ($course) {
$isfrontpage = ($context->contextlevel == CONTEXT_COURSE and $context->instanceid == SITEID);
} else {
$isfrontpage = false;
if ($context->contextlevel == CONTEXT_USER) {
$courseid = optional_param('courseid', SITEID, PARAM_INT); // needed for user/tabs.php
$course = $DB->get_record('course', array('id'=>$courseid), '*', MUST_EXIST);
$PAGE->url->param('courseid', $courseid);
$userid = $context->instanceid;
} else {
$courseid = SITEID;
$course = clone($SITE);
$course = $SITE;
}
}
$course = $DB->get_record('course', array('id'=>$courseid), '*', MUST_EXIST);
$inmeta = $course->metacourse;
// security
require_login($course, false, $cm);
require_capability('moodle/role:assign', $context);
$PAGE->set_context($context);
/// Check login and permissions.
require_login($course, false, $cm);
require_capability('moodle/role:assign', $context);
$contextname = print_context_name($context);
$courseid = $course->id;
$inmeta = $course->metacourse;
/// These are needed early because of tabs.php
list($assignableroles, $assigncounts, $nameswithcounts) = get_assignable_roles($context, ROLENAME_BOTH, true);
$overridableroles = get_overridable_roles($context, ROLENAME_BOTH);
// These are needed early because of tabs.php
list($assignableroles, $assigncounts, $nameswithcounts) = get_assignable_roles($context, ROLENAME_BOTH, true);
$overridableroles = get_overridable_roles($context, ROLENAME_BOTH);
/// Make sure this user can assign this role
if ($roleid && !isset($assignableroles[$roleid])) {
$a = new stdClass;
$a->roleid = $roleid;
$a->context = $contextname;
print_error('cannotassignrolehere', '', get_context_url($context), $a);
}
// Make sure this user can assign this role
if ($roleid && !isset($assignableroles[$roleid])) {
$a = new stdClass;
$a->roleid = $roleid;
$a->context = $contextname;
print_error('cannotassignrolehere', '', get_context_url($context), $a);
}
/// Get some language strings
$straction = get_string('assignroles', 'role'); // Used by tabs.php
// Get some language strings
$straction = get_string('assignroles', 'role'); // Used by tabs.php
/// Work out an appropriate page title.
if ($roleid) {
$a = new stdClass;
$a->role = $assignableroles[$roleid];
$a->context = $contextname;
$title = get_string('assignrolenameincontext', 'role', $a);
// Work out an appropriate page title.
if ($roleid) {
$a = new stdClass;
$a->role = $assignableroles[$roleid];
$a->context = $contextname;
$title = get_string('assignrolenameincontext', 'role', $a);
} else {
if ($isfrontpage) {
$title = get_string('frontpageroles', 'admin');
} else {
if ($isfrontpage) {
$title = get_string('frontpageroles', 'admin');
} else {
$title = get_string('assignrolesin', 'role', $contextname);
}
$title = get_string('assignrolesin', 'role', $contextname);
}
}
/// Build the list of options for the enrolment period dropdown.
$unlimitedperiod = get_string('unlimited');
for ($i=1; $i<=365; $i++) {
$seconds = $i * 86400;
$periodmenu[$seconds] = get_string('numdays', '', $i);
// Build the list of options for the enrolment period dropdown.
$unlimitedperiod = get_string('unlimited');
for ($i=1; $i<=365; $i++) {
$seconds = $i * 86400;
$periodmenu[$seconds] = get_string('numdays', '', $i);
}
// Work out the apropriate default setting.
if ($extendperiod) {
$defaultperiod = $extendperiod;
} else {
$defaultperiod = $course->enrolperiod;
}
// Build the list of options for the starting from dropdown.
$timeformat = get_string('strftimedatefullshort');
$today = time();
$today = make_timestamp(date('Y', $today), date('m', $today), date('d', $today), 0, 0, 0);
// MDL-12420, preventing course start date showing up as an option at system context and front page roles.
if ($course->startdate > 0) {
$basemenu[2] = get_string('coursestart') . ' (' . userdate($course->startdate, $timeformat) . ')';
}
if ($course->enrollable != 2 || ($course->enrolstartdate == 0 || $course->enrolstartdate <= $today) && ($course->enrolenddate == 0 || $course->enrolenddate > $today)) {
$basemenu[3] = get_string('today') . ' (' . userdate($today, $timeformat) . ')' ;
}
if ($course->enrollable == 2) {
if($course->enrolstartdate > 0) {
$basemenu[4] = get_string('courseenrolstart') . ' (' . userdate($course->enrolstartdate, $timeformat) . ')';
}
/// Work out the apropriate default setting.
if ($extendperiod) {
$defaultperiod = $extendperiod;
} else {
$defaultperiod = $course->enrolperiod;
if($course->enrolenddate > 0) {
$basemenu[5] = get_string('courseenrolend') . ' (' . userdate($course->enrolenddate, $timeformat) . ')';
}
}
/// Build the list of options for the starting from dropdown.
$timeformat = get_string('strftimedatefullshort');
$today = time();
$today = make_timestamp(date('Y', $today), date('m', $today), date('d', $today), 0, 0, 0);
// Process any incoming role assignments before printing the header.
if ($roleid) {
// MDL-12420, preventing course start date showing up as an option at system context and front page roles.
if ($course->startdate > 0) {
$basemenu[2] = get_string('coursestart') . ' (' . userdate($course->startdate, $timeformat) . ')';
}
if ($course->enrollable != 2 || ($course->enrolstartdate == 0 || $course->enrolstartdate <= $today) && ($course->enrolenddate == 0 || $course->enrolenddate > $today)) {
$basemenu[3] = get_string('today') . ' (' . userdate($today, $timeformat) . ')' ;
}
if($course->enrollable == 2) {
if($course->enrolstartdate > 0) {
$basemenu[4] = get_string('courseenrolstart') . ' (' . userdate($course->enrolstartdate, $timeformat) . ')';
}
if($course->enrolenddate > 0) {
$basemenu[5] = get_string('courseenrolend') . ' (' . userdate($course->enrolenddate, $timeformat) . ')';
}
}
// Create the user selector objects.
$options = array('context' => $context, 'roleid' => $roleid);
/// Process any incoming role assignments before printing the header.
if ($roleid) {
$potentialuserselector = roles_get_potential_user_selector($context, 'addselect', $options);
$currentuserselector = new existing_role_holders('removeselect', $options);
/// Create the user selector objects.
$options = array('context' => $context, 'roleid' => $roleid);
// Process incoming role assignments
$errors = array();
if (optional_param('add', false, PARAM_BOOL) && confirm_sesskey()) {
$userstoassign = $potentialuserselector->get_selected_users();
if (!empty($userstoassign)) {
$potentialuserselector = roles_get_potential_user_selector($context, 'addselect', $options);
$currentuserselector = new existing_role_holders('removeselect', $options);
/// Process incoming role assignments
$errors = array();
if (optional_param('add', false, PARAM_BOOL) && confirm_sesskey()) {
$userstoassign = $potentialuserselector->get_selected_users();
if (!empty($userstoassign)) {
foreach ($userstoassign as $adduser) {
$allow = true;
if ($inmeta) {
if (has_capability('moodle/course:managemetacourse', $context, $adduser->id)) {
//ok
} else {
$managerroles = get_roles_with_capability('moodle/course:managemetacourse', CAP_ALLOW, $context);
if (!empty($managerroles) and !array_key_exists($roleid, $managerroles)) {
$erruser = $DB->get_record('user', array('id'=>$adduser->id), 'id, firstname, lastname');
$errors[] = get_string('metaassignerror', 'role', fullname($erruser));
$allow = false;
}
}
}
if ($allow) {
switch($extendbase) {
case 2:
$timestart = $course->startdate;
break;
case 3:
$timestart = $today;
break;
case 4:
$timestart = $course->enrolstartdate;
break;
case 5:
$timestart = $course->enrolenddate;
break;
}
if($extendperiod > 0) {
$timeend = $timestart + $extendperiod;
} else {
$timeend = 0;
}
if (! role_assign($roleid, $adduser->id, 0, $context->id, $timestart, $timeend)) {
$a = new stdClass;
$a->role = $assignableroles[$roleid];
$a->user = fullname($adduser);
$errors[] = get_string('assignerror', 'role', $a);
foreach ($userstoassign as $adduser) {
$allow = true;
if ($inmeta) {
if (has_capability('moodle/course:managemetacourse', $context, $adduser->id)) {
//ok
} else {
$managerroles = get_roles_with_capability('moodle/course:managemetacourse', CAP_ALLOW, $context);
if (!empty($managerroles) and !array_key_exists($roleid, $managerroles)) {
$erruser = $DB->get_record('user', array('id'=>$adduser->id), 'id, firstname, lastname');
$errors[] = get_string('metaassignerror', 'role', fullname($erruser));
$allow = false;
}
}
}
$potentialuserselector->invalidate_selected_users();
$currentuserselector->invalidate_selected_users();
if ($allow) {
switch($extendbase) {
case 2:
$timestart = $course->startdate;
break;
case 3:
$timestart = $today;
break;
case 4:
$timestart = $course->enrolstartdate;
break;
case 5:
$timestart = $course->enrolenddate;
break;
}
$rolename = $assignableroles[$roleid];
add_to_log($course->id, 'role', 'assign', 'admin/roles/assign.php?contextid='.$context->id.'&roleid='.$roleid, $rolename, '', $USER->id);
// Counts have changed, so reload.
list($assignableroles, $assigncounts, $nameswithcounts) = get_assignable_roles($context, ROLENAME_BOTH, true);
}
}
/// Process incoming role unassignments
if (optional_param('remove', false, PARAM_BOOL) && confirm_sesskey()) {
$userstounassign = $currentuserselector->get_selected_users();
if (!empty($userstounassign)) {
foreach ($userstounassign as $removeuser) {
if (! role_unassign($roleid, $removeuser->id, 0, $context->id)) {
if($extendperiod > 0) {
$timeend = $timestart + $extendperiod;
} else {
$timeend = 0;
}
if (! role_assign($roleid, $adduser->id, 0, $context->id, $timestart, $timeend)) {
$a = new stdClass;
$a->role = $assignableroles[$roleid];
$a->user = fullname($removeuser);
$errors[] = get_string('unassignerror', 'role', $a);
} else if ($inmeta) {
sync_metacourse($courseid);
$newroles = get_user_roles($context, $removeuser->id, false);
if (empty($newroles) || array_key_exists($roleid, $newroles)) {
$errors[] = get_string('metaunassignerror', 'role', fullname($removeuser));
}
$a->user = fullname($adduser);
$errors[] = get_string('assignerror', 'role', $a);
}
}
$potentialuserselector->invalidate_selected_users();
$currentuserselector->invalidate_selected_users();
$rolename = $assignableroles[$roleid];
add_to_log($course->id, 'role', 'unassign', 'admin/roles/assign.php?contextid='.$context->id.'&roleid='.$roleid, $rolename, '', $USER->id);
// Counts have changed, so reload.
list($assignableroles, $assigncounts, $nameswithcounts) = get_assignable_roles($context, ROLENAME_BOTH, true);
}
$potentialuserselector->invalidate_selected_users();
$currentuserselector->invalidate_selected_users();
$rolename = $assignableroles[$roleid];
add_to_log($course->id, 'role', 'assign', 'admin/roles/assign.php?contextid='.$context->id.'&roleid='.$roleid, $rolename, '', $USER->id);
// Counts have changed, so reload.
list($assignableroles, $assigncounts, $nameswithcounts) = get_assignable_roles($context, ROLENAME_BOTH, true);
}
}
/// Print the header and tabs
if ($context->contextlevel == CONTEXT_USER) {
$user = $DB->get_record('user', array('id'=>$userid));
$fullname = fullname($user, has_capability('moodle/site:viewfullnames', $context));
// Process incoming role unassignments
if (optional_param('remove', false, PARAM_BOOL) && confirm_sesskey()) {
$userstounassign = $currentuserselector->get_selected_users();
if (!empty($userstounassign)) {
/// course header
$PAGE->set_title($title);
if ($courseid != SITEID) {
if (has_capability('moodle/course:viewparticipants', get_context_instance(CONTEXT_COURSE, $courseid))) {
$PAGE->navbar->add(get_string('participants'), new moodle_url('/user/index.php', array('id'=>$courseid)));
foreach ($userstounassign as $removeuser) {
if (! role_unassign($roleid, $removeuser->id, 0, $context->id)) {
$a = new stdClass;
$a->role = $assignableroles[$roleid];
$a->user = fullname($removeuser);
$errors[] = get_string('unassignerror', 'role', $a);
} else if ($inmeta) {
sync_metacourse($courseid);
$newroles = get_user_roles($context, $removeuser->id, false);
if (empty($newroles) || array_key_exists($roleid, $newroles)) {
$errors[] = get_string('metaunassignerror', 'role', fullname($removeuser));
}
}
}
$PAGE->set_heading($fullname);
} else {
$PAGE->set_heading($course->fullname);
$potentialuserselector->invalidate_selected_users();
$currentuserselector->invalidate_selected_users();
$rolename = $assignableroles[$roleid];
add_to_log($course->id, 'role', 'unassign', 'admin/roles/assign.php?contextid='.$context->id.'&roleid='.$roleid, $rolename, '', $USER->id);
// Counts have changed, so reload.
list($assignableroles, $assigncounts, $nameswithcounts) = get_assignable_roles($context, ROLENAME_BOTH, true);
}
$PAGE->navbar->add($fullname, new moodle_url("$CFG->wwwroot/user/view.php", array('id'=>$userid,'course'=>$courseid)));
$PAGE->navbar->add($straction);
echo $OUTPUT->header();
}
}
$showroles = 1;
$currenttab = 'assign';
echo $OUTPUT->header();
include($CFG->dirroot.'/user/tabs.php');
} else if ($context->contextlevel == CONTEXT_SYSTEM) {
admin_externalpage_setup('assignroles', '', array('contextid' => $contextid, 'roleid' => $roleid));
echo $OUTPUT->header();
} else if ($isfrontpage) {
admin_externalpage_setup('frontpageroles', '', array('contextid' => $contextid, 'roleid' => $roleid));
echo $OUTPUT->header();
$currenttab = 'assign';
include('tabs.php');
// Print the header and tabs
if ($context->contextlevel == CONTEXT_USER) {
$user = $DB->get_record('user', array('id'=>$userid));
$fullname = fullname($user, has_capability('moodle/site:viewfullnames', $context));
/// course header
$PAGE->set_title($title);
if ($courseid != SITEID) {
if (has_capability('moodle/course:viewparticipants', get_context_instance(CONTEXT_COURSE, $courseid))) {
$PAGE->navbar->add(get_string('participants'), new moodle_url('/user/index.php', array('id'=>$courseid)));
}
$PAGE->set_heading($fullname);
} else {
echo $OUTPUT->header();
$currenttab = 'assign';
include('tabs.php');
$PAGE->set_heading($course->fullname);
}
$PAGE->navbar->add($fullname, new moodle_url("$CFG->wwwroot/user/view.php", array('id'=>$userid,'course'=>$courseid)));
$PAGE->navbar->add($straction);
echo $OUTPUT->header();
$showroles = 1;
$currenttab = 'assign';
echo $OUTPUT->header();
include($CFG->dirroot.'/user/tabs.php');
} else if ($context->contextlevel == CONTEXT_SYSTEM) {
admin_externalpage_setup('assignroles', '', array('contextid' => $contextid, 'roleid' => $roleid));
echo $OUTPUT->header();
} else if ($isfrontpage) {
admin_externalpage_setup('frontpageroles', '', array('contextid' => $contextid, 'roleid' => $roleid));
echo $OUTPUT->header();
$currenttab = 'assign';
include('tabs.php');
} else {
echo $OUTPUT->header();
$currenttab = 'assign';
include('tabs.php');
}
// Print heading.
echo $OUTPUT->heading_with_help($title, 'assignroles');
if ($roleid) {
// Show UI for assigning a particular role to users.
// Print a warning if we are assigning system roles.
if ($context->contextlevel == CONTEXT_SYSTEM) {
echo $OUTPUT->box(get_string('globalroleswarning', 'role'));
}
/// Print heading.
echo $OUTPUT->heading_with_help($title, 'assignroles');
if ($roleid) {
/// Show UI for assigning a particular role to users.
/// Print a warning if we are assigning system roles.
if ($context->contextlevel == CONTEXT_SYSTEM) {
echo $OUTPUT->box(get_string('globalroleswarning', 'role'));
}
/// Print the form.
// Print the form.
$assignurl = new moodle_url($PAGE->url, array('roleid'=>$roleid));
?>
<form id="assignform" method="post" action="<?php echo $baseurl . '&amp;roleid=' . $roleid ?>"><div>
<form id="assignform" method="post" action="<?php echo $assignurl ?>"><div>
<input type="hidden" name="sesskey" value="<?php echo sesskey() ?>" />
<table summary="" class="roleassigntable generaltable generalbox boxaligncenter" cellspacing="0">
@@ -331,100 +321,102 @@
</div></form>
<?php
$PAGE->requires->js_init_call('M.core_role.init_add_assign_page');
$PAGE->requires->js_init_call('M.core_role.init_add_assign_page');
if (!empty($errors)) {
$msg = '<p>';
foreach ($errors as $e) {
$msg .= $e.'<br />';
}
$msg .= '</p>';
echo $OUTPUT->box_start();
echo $OUTPUT->notification($msg);
echo $OUTPUT->box_end();
if (!empty($errors)) {
$msg = '<p>';
foreach ($errors as $e) {
$msg .= $e.'<br />';
}
$msg .= '</p>';
echo $OUTPUT->box_start();
echo $OUTPUT->notification($msg);
echo $OUTPUT->box_end();
}
/// Print a form to swap roles, and a link back to the all roles list.
echo '<div class="backlink">';
// Print a form to swap roles, and a link back to the all roles list.
echo '<div class="backlink">';
$select = new single_select(new moodle_url($baseurl), 'roleid', $nameswithcounts, $roleid, null);
$select->label = get_string('assignanotherrole', 'role');
echo $OUTPUT->render($select);
echo '<p><a href="' . $baseurl . '">' . get_string('backtoallroles', 'role') . '</a></p>';
echo '</div>';
$select = new single_select($PAGE->url, 'roleid', $nameswithcounts, $roleid, null);
$select->label = get_string('assignanotherrole', 'role');
echo $OUTPUT->render($select);
echo '<p><a href="' . $PAGE->url . '">' . get_string('backtoallroles', 'role') . '</a></p>';
echo '</div>';
} else if (empty($assignableroles)) {
/// Print a message that there are no roles that can me assigned here.
echo $OUTPUT->heading(get_string('notabletoassignroleshere', 'role'), 3);
} else if (empty($assignableroles)) {
// Print a message that there are no roles that can me assigned here.
echo $OUTPUT->heading(get_string('notabletoassignroleshere', 'role'), 3);
} else {
/// Show UI for choosing a role to assign.
} else {
// Show UI for choosing a role to assign.
// Print a warning if we are assigning system roles.
if ($context->contextlevel == CONTEXT_SYSTEM) {
echo $OUTPUT->box(get_string('globalroleswarning', 'role'));
}
// Print a warning if we are assigning system roles.
if ($context->contextlevel == CONTEXT_SYSTEM) {
echo $OUTPUT->box(get_string('globalroleswarning', 'role'));
}
// Print instruction
echo $OUTPUT->heading(get_string('chooseroletoassign', 'role'), 3);
// Print instruction
echo $OUTPUT->heading(get_string('chooseroletoassign', 'role'), 3);
// sync metacourse enrolments if needed
if ($inmeta) {
sync_metacourse($course);
}
// sync metacourse enrolments if needed
if ($inmeta) {
sync_metacourse($course);
}
// Get the names of role holders for roles with between 1 and MAX_USERS_TO_LIST_PER_ROLE users,
// and so determine whether to show the extra column.
$roleholdernames = array();
$strmorethanmax = get_string('morethan', 'role', MAX_USERS_TO_LIST_PER_ROLE);
$showroleholders = false;
foreach ($assignableroles as $roleid => $notused) {
$roleusers = '';
if (0 < $assigncounts[$roleid] && $assigncounts[$roleid] <= MAX_USERS_TO_LIST_PER_ROLE) {
$roleusers = get_role_users($roleid, $context, false, 'u.id, u.lastname, u.firstname');
if (!empty($roleusers)) {
$strroleusers = array();
foreach ($roleusers as $user) {
$strroleusers[] = '<a href="' . $CFG->wwwroot . '/user/view.php?id=' . $user->id . '" >' . fullname($user) . '</a>';
}
$roleholdernames[$roleid] = implode('<br />', $strroleusers);
$showroleholders = true;
// Get the names of role holders for roles with between 1 and MAX_USERS_TO_LIST_PER_ROLE users,
// and so determine whether to show the extra column.
$roleholdernames = array();
$strmorethanmax = get_string('morethan', 'role', MAX_USERS_TO_LIST_PER_ROLE);
$showroleholders = false;
foreach ($assignableroles as $roleid => $notused) {
$roleusers = '';
if (0 < $assigncounts[$roleid] && $assigncounts[$roleid] <= MAX_USERS_TO_LIST_PER_ROLE) {
$roleusers = get_role_users($roleid, $context, false, 'u.id, u.lastname, u.firstname');
if (!empty($roleusers)) {
$strroleusers = array();
foreach ($roleusers as $user) {
$strroleusers[] = '<a href="' . $CFG->wwwroot . '/user/view.php?id=' . $user->id . '" >' . fullname($user) . '</a>';
}
} else if ($assigncounts[$roleid] > MAX_USERS_TO_LIST_PER_ROLE) {
$roleholdernames[$roleid] = '<a href="'.$baseurl.'&amp;roleid='.$roleid.'">'.$strmorethanmax.'</a>';
} else {
$roleholdernames[$roleid] = '';
$roleholdernames[$roleid] = implode('<br />', $strroleusers);
$showroleholders = true;
}
}
// Print overview table
$table = new html_table();
$table->tablealign = 'center';
$table->width = '60%';
$table->head = array(get_string('role'), get_string('description'), get_string('userswiththisrole', 'role'));
$table->wrap = array('nowrap', '', 'nowrap');
$table->align = array('left', 'left', 'center');
if ($showroleholders) {
$table->headspan = array(1, 1, 2);
$table->wrap[] = 'nowrap';
$table->align[] = 'left';
}
foreach ($assignableroles as $roleid => $rolename) {
$description = format_string($DB->get_field('role', 'description', array('id'=>$roleid)));
$row = array('<a href="'.$baseurl.'&amp;roleid='.$roleid.'">'.$rolename.'</a>',
$description, $assigncounts[$roleid]);
if ($showroleholders) {
$row[] = $roleholdernames[$roleid];
}
$table->data[] = $row;
}
echo html_writer::table($table);
if ($context->contextlevel > CONTEXT_USER) {
echo '<div class="backlink"><a href="' . get_context_url($context) . '">' . get_string('backto', '', $contextname) . '</a></div>';
} else if ($assigncounts[$roleid] > MAX_USERS_TO_LIST_PER_ROLE) {
$assignurl = new moodle_url($PAGE->url, array('roleid'=>$roleid));
$roleholdernames[$roleid] = '<a href="'.$assignurl.'">'.$strmorethanmax.'</a>';
} else {
$roleholdernames[$roleid] = '';
}
}
echo $OUTPUT->footer();
// Print overview table
$table = new html_table();
$table->tablealign = 'center';
$table->width = '60%';
$table->head = array(get_string('role'), get_string('description'), get_string('userswiththisrole', 'role'));
$table->wrap = array('nowrap', '', 'nowrap');
$table->align = array('left', 'left', 'center');
if ($showroleholders) {
$table->headspan = array(1, 1, 2);
$table->wrap[] = 'nowrap';
$table->align[] = 'left';
}
foreach ($assignableroles as $roleid => $rolename) {
$description = format_string($DB->get_field('role', 'description', array('id'=>$roleid)));
$assignurl = new moodle_url($PAGE->url, array('roleid'=>$roleid));
$row = array('<a href="'.$assignurl.'">'.$rolename.'</a>',
$description, $assigncounts[$roleid]);
if ($showroleholders) {
$row[] = $roleholdernames[$roleid];
}
$table->data[] = $row;
}
echo html_writer::table($table);
if ($context->contextlevel > CONTEXT_USER) {
echo '<div class="backlink"><a href="' . get_context_url($context) . '">' . get_string('backto', '', $contextname) . '</a></div>';
}
}
echo $OUTPUT->footer();