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MDL-12991 Updated groups UI so that it categorises members and potential members into roles (Teacher, Student, etc)

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This commit is contained in:
sam_marshall 2008-01-17 11:28:54 +00:00
parent ca2d0fc0e0
commit e254aa344c
5 changed files with 246 additions and 83 deletions
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32
group/clientlib.js
View File

@ -21,7 +21,7 @@ function UpdatableGroupsCombo(wwwRoot, courseId) {
var membersComboEl = document.getElementById("members");
if (membersComboEl) {
// Clear the members combo box.
// Clear the members list box.
while (membersComboEl.firstChild) {
membersComboEl.removeChild(membersComboEl.firstChild);
}
@ -30,7 +30,7 @@ function UpdatableGroupsCombo(wwwRoot, courseId) {
if (groupsComboEl && o.responseText) {
var groups = eval("("+o.responseText+")");
// Populate the groups combo box.
// Populate the groups list box.
for (var i=0; i<groups.length; i++) {
var optionEl = document.createElement("option");
optionEl.setAttribute("value", groups[i].id);
@ -51,7 +51,7 @@ function UpdatableGroupsCombo(wwwRoot, courseId) {
};
// Add onchange event to groups combo box.
// Add onchange event to groups list box.
// Okay, this is not working in IE. The onchange is never fired...
// I'm hard coding the onchange in ../index.php. Not ideal, but it works
// then. vyshane AT moodle DOT com.
@ -80,21 +80,27 @@ function UpdatableMembersCombo(wwwRoot, courseId) {
if (o.responseText !== undefined) {
var selectEl = document.getElementById("members");
if (selectEl && o.responseText) {
var members = eval("("+o.responseText+")");
var roles = eval("("+o.responseText+")");
// Clear the members combo box.
// Clear the members list box.
if (selectEl) {
while (selectEl.firstChild) {
selectEl.removeChild(selectEl.firstChild);
}
}
// Populate the members combo box.
for (var i=0; i<members.length; i++) {
var optionEl = document.createElement("option");
optionEl.setAttribute("value", members[i].id);
optionEl.title = members[i].name;
optionEl.innerHTML = members[i].name;
selectEl.appendChild(optionEl);
// Populate the members list box.
for (var i=0; i<roles.length; i++) {
var optgroupEl = document.createElement("optgroup");
optgroupEl.setAttribute("label",roles[i].name);
for(var j=0; j<roles[i].users.length; j++) {
var optionEl = document.createElement("option");
optionEl.setAttribute("value", roles[i].users[j].id);
optionEl.title = roles[i].users[j].name;
optionEl.innerHTML = roles[i].users[j].name;
optgroupEl.appendChild(optionEl);
}
selectEl.appendChild(optgroupEl);
}
}
}
@ -128,7 +134,7 @@ UpdatableMembersCombo.prototype.refreshMembers = function (groupId) {
spanEl.innerHTML = selectEl.options[selectEl.selectedIndex].title;
}
// Clear the members combo box.
// Clear the members list box.
selectEl = document.getElementById("members");
if (selectEl) {
while (selectEl.firstChild) {

50
group/index.php
View File

@ -46,18 +46,23 @@ switch ($action) {
break;
case 'ajax_getmembersingroup':
$members = array();
if ($members = groups_get_members($groupid)) {
$member_names = array();
foreach($members as $member) {
$user = new object();
$user->id = $member->id;
$user->name = fullname($member, true);
$member_names[] = $user;
$roles = array();
if ($groupmemberroles = groups_get_members_by_role($groupid,$courseid,'u.id,u.firstname,u.lastname')) {
foreach($groupmemberroles as $roleid=>$roledata) {
$shortroledata=new StdClass;
$shortroledata->name=$roledata->name;
$shortroledata->users=array();
foreach($roledata->users as $member) {
$shortmember=new StdClass;
$shortmember->id=$member->id;
$shortmember->name=fullname($member, true);
$shortroledata->users[]=$shortmember;
}
$roles[]=$shortroledata;
}
$json = new Services_JSON();
echo $json->encode($member_names);
}
$json = new Services_JSON();
echo $json->encode($roles);
die; // Client side JavaScript takes it from here.
case 'deletegroup':
@ -194,21 +199,22 @@ echo ' onclick="window.status=this.options[this.selectedIndex].title;" onmouseou
$member_names = array();
$atleastonemember = false;
if ($sel_groupid) {
if ($members = groups_get_members($groupid)) {
foreach($members as $member) {
$member_names[$member->id] = fullname($member, true);
if ($groupmemberroles = groups_get_members_by_role($groupid,$courseid,'u.id,u.firstname,u.lastname')) {
foreach($groupmemberroles as $roleid=>$roledata) {
echo '<optgroup label="'.htmlspecialchars($roledata->name).'">';
foreach($roledata->users as $member) {
echo '<option value="'.$member->id.'">'.fullname($member, true).'</option>';
$atleastonemember = true;
}
echo '</optgroup>';
}
}
}
}
if ($member_names) {
// Put the groupings into a hash and sort them
foreach ($member_names as $userid=>$username) {
echo "<option value=\"{$userid}\" title=\"{$username}\">{$username}</option>\n";
}
} else {
if (!$atleastonemember) {
// Print an empty option to avoid the XHTML error of having an empty select element
echo '<option>&nbsp;</option>';
}

195
group/lib.php
View File

@ -300,20 +300,19 @@ function groups_delete_groupings($courseid, $showfeedback=false) {
/* =================================== */
/**
* Gets the users for a course who are not in a specified group
* Gets the users for a course who are not in a specified group, and returns
* them in an array organised by role. For the array format, see
* groups_get_members_by_role.
* @param int $groupid The id of the group
* @param string searchtext similar to searchtext in role assign, search
* @return array An array of the userids of the non-group members, or false if
* an error occurred.
* This function was changed to get_users_by_capability style
* mostly because of the searchtext requirement
* @return array An array of role id or '*' => information about that role
* including a list of users
*/
function groups_get_users_not_in_group($courseid, $groupid, $searchtext='', $sort = 'u.lastname ASC') {
function groups_get_users_not_in_group_by_role($courseid, $groupid, $searchtext='', $sort = 'u.lastname ASC') {
global $CFG;
$context = get_context_instance(CONTEXT_COURSE, $courseid);
if ($searchtext !== '') { // Search for a subset of remaining users
$LIKE = sql_ilike();
$FULLNAME = sql_fullname();
@ -322,6 +321,41 @@ function groups_get_users_not_in_group($courseid, $groupid, $searchtext='', $sor
$wheresearch = '';
}
/// Get list of allowed roles
if(!($validroleids=groups_get_possible_roles($context))) {
return;
}
$roleids = '('.implode(',', $validroleids).')';
/// Construct the main SQL
$select = " SELECT r.id AS roleid,r.shortname AS roleshortname,r.name AS rolename,
u.id AS userid, u.firstname, u.lastname";
$from = " FROM {$CFG->prefix}user u
INNER JOIN {$CFG->prefix}role_assignments ra ON ra.userid = u.id
INNER JOIN {$CFG->prefix}role r ON r.id = ra.roleid";
$where = " WHERE ra.contextid ".get_related_contexts_string($context)."
AND u.deleted = 0
AND ra.roleid in $roleids
AND u.id NOT IN (SELECT userid
FROM {$CFG->prefix}groups_members
WHERE groupid = $groupid)
$wheresearch";
$orderby = " ORDER BY $sort";
return groups_calculate_role_people(get_recordset_sql(
$select.$from.$where.$orderby));
}
/**
* Obtains a list of the possible roles that group members might come from,
* on a course. Generally this includes all the roles who would have
* course:view on that course, except the doanything roles.
* @param object $context Context of course
* @return Array of role ID integers, or false if error/none.
*/
function groups_get_possible_roles($context) {
$capability = 'moodle/course:view';
$doanything = false;
@ -350,28 +384,10 @@ function groups_get_users_not_in_group($courseid, $groupid, $searchtext='', $sor
if (empty($validroleids)) {
return false;
}
$roleids = '('.implode(',', $validroleids).')';
return $validroleids;
} else {
return false; // No need to continue, since no roles have this capability set
}
/// Construct the main SQL
$select = " SELECT u.id, u.firstname, u.lastname";
$from = " FROM {$CFG->prefix}user u
INNER JOIN {$CFG->prefix}role_assignments ra ON ra.userid = u.id
INNER JOIN {$CFG->prefix}role r ON r.id = ra.roleid";
$where = " WHERE ra.contextid ".get_related_contexts_string($context)."
AND u.deleted = 0
AND ra.roleid in $roleids
AND u.id NOT IN (SELECT userid
FROM {$CFG->prefix}groups_members
WHERE groupid = $groupid)
$wheresearch";
$groupby = " GROUP BY u.id, u.firstname, u.lastname ";
$orderby = " ORDER BY $sort";
return get_records_sql($select.$from.$where.$groupby.$orderby);
}
}
@ -491,4 +507,127 @@ function groups_unassign_grouping($groupingid, $groupid) {
return delete_records('groupings_groups', 'groupingid', $groupingid, 'groupid', $groupid);
}
/**
* Lists users in a group based on their role on the course.
* Returns false if there's an error or there are no users in the group.
* Otherwise returns an array of role ID => role data, where role data includes:
* (role) $id, $shortname, $name
* $users: array of objects for each user which include the specified fields
* Users who do not have a role are stored in the returned array with key '-'
* and pseudo-role details (including a name, 'No role'). Users with multiple
* roles, same deal with key '*' and name 'Multiple roles'. You can find out
* which roles each has by looking in the $roles array of the user object.
* @param int $groupid
* @param int $courseid Course ID (should match the group's course)
* @param string $fields List of fields from user table prefixed with u, default 'u.*'
* @param string $sort SQL ORDER BY clause, default 'u.lastname ASC'
* @return array Complex array as described above
*/
function groups_get_members_by_role($groupid, $courseid, $fields='u.*', $sort='u.lastname ASC') {
global $CFG;
// Retrieve information about all users and their roles on the course or
// parent ('related') contexts
$context=get_context_instance(CONTEXT_COURSE,$courseid);
$rs=get_recordset_sql($crap="SELECT r.id AS roleid,r.shortname AS roleshortname,r.name AS rolename,
u.id AS userid,$fields
FROM {$CFG->prefix}groups_members gm
INNER JOIN {$CFG->prefix}user u ON u.id = gm.userid
INNER JOIN {$CFG->prefix}role_assignments ra
ON ra.userid = u.id
INNER JOIN {$CFG->prefix}role r ON r.id = ra.roleid
WHERE gm.groupid='$groupid'
AND ra.contextid ".get_related_contexts_string($context)."
ORDER BY r.sortorder,$sort");
return groups_calculate_role_people($rs);
}
/**
* Internal function used by groups_get_members_by_role to handle the
* results of a database query that includes a list of users and possible
* roles on a course.
*
* @param object $rs The record set (may be false)
* @return array As described in groups_get_members_by_role
*/
function groups_calculate_role_people($rs) {
global $CFG;
if(!$rs) {
return false;
}
// Array of all involved roles
$roles=array();
// Array of all retrieved users
$users=array();
// Fill arrays
while($rec=rs_fetch_next_record($rs)) {
// Create information about user if this is a new one
if(!array_key_exists($rec->userid,$users)) {
// User data includes all the optional fields, but not any of the
// stuff we added to get the role details
$userdata=clone($rec);
unset($userdata->roleid);
unset($userdata->roleshortname);
unset($userdata->rolename);
unset($userdata->userid);
$userdata->id=$rec->userid;
// Make an array to hold the list of roles for this user
$userdata->roles=array();
$users[$rec->userid]=$userdata;
}
// If user has a role...
if(!is_null($rec->roleid)) {
// Create information about role if this is a new one
if(!array_key_exists($rec->roleid,$roles)) {
$roledata=new StdClass;
$roledata->id=$rec->roleid;
$roledata->shortname=$rec->roleshortname;
$roledata->name=$rec->rolename;
$roledata->users=array();
$roles[$roledata->id]=$roledata;
}
// Record that user has role
$users[$rec->userid]->roles[] = $roles[$rec->roleid];
}
}
rs_close($rs);
// Return false if there weren't any users
if(count($users)==0) {
return false;
}
// Add pseudo-role for multiple roles
$roledata=new StdClass;
$roledata->name=get_string('multipleroles','role');
$roledata->users=array();
$roles['*']=$roledata;
// Now we rearrange the data to store users by role
foreach($users as $userid=>$userdata) {
$rolecount=count($userdata->roles);
if($rolecount==0) {
debugging("Unexpected: user $userid is missing roles");
} else if($rolecount>1) {
$roleid='*';
} else {
$roleid=$userdata->roles[0]->id;
}
$roles[$roleid]->users[$userid]=$userdata;
}
// Delete roles not used
foreach($roles as $key=>$roledata) {
if(count($roledata->users)===0) {
unset($roles[$key]);
}
}
// Return list of roles containing their users
return $roles;
}
?>

51
group/members.php
View File

@ -77,12 +77,16 @@ if ($frm = data_submitted() and confirm_sesskey()) {
$groupmembersoptions = '';
$groupmemberscount = 0;
if ($groupmembers = groups_get_members($groupid)) {
foreach($groupmembers as $member) {
$groupmembersoptions .= '<option value="'.$member->id.'">'.fullname($member, true).'</option>';
$groupmemberscount ++;
// Get members, organised by role, and display
if ($groupmemberroles = groups_get_members_by_role($groupid,$courseid,'u.id,u.firstname,u.lastname')) {
foreach($groupmemberroles as $roleid=>$roledata) {
$groupmembersoptions .= '<optgroup label="'.htmlspecialchars($roledata->name).'">';
foreach($roledata->users as $member) {
$groupmembersoptions .= '<option value="'.$member->id.'">'.fullname($member, true).'</option>';
$groupmemberscount ++;
}
$groupmembersoptions .= '</optgroup>';
}
} else {
$groupmembersoptions .= '<option>&nbsp;</option>';
}
@ -91,35 +95,42 @@ $potentialmembers = array();
$potentialmembersoptions = '';
$potentialmemberscount = 0;
$potentialmembers = groups_get_users_not_in_group($courseid, $groupid, $searchtext);
if (!empty($potentialmembers)) {
$potentialmemberscount = count($potentialmembers);
} else {
$potentialmemberscount = 0;
// Get potential members, organised by role, and count them
$potentialmembersbyrole = groups_get_users_not_in_group_by_role($courseid, $groupid, $searchtext);
$potentialmemberscount=0;
$potentialmembersids=array();
if (!empty($potentialmembersbyrole)) {
foreach($potentialmembersbyrole as $roledata) {
$potentialmemberscount+=count($roledata->users);
$potentialmembersids=array_merge($potentialmembersids,array_keys($roledata->users));
}
}
if ($potentialmemberscount <= MAX_USERS_PER_PAGE) {
if ($potentialmembers != false) {
if ($potentialmemberscount != 0) {
// Get other groups user already belongs to
$sql = "SELECT u.id AS userid, g.* FROM {$CFG->prefix}user u " .
"INNER JOIN {$CFG->prefix}groups_members gm ON u.id = gm.userid " .
"INNER JOIN {$CFG->prefix}groups g ON gm.groupid = g.id " .
"WHERE u.id IN (".implode(',',array_keys($potentialmembers)).") AND g.courseid = {$course->id} ";
"WHERE u.id IN (".implode(',',$potentialmembersids).") AND g.courseid = {$course->id} ";
$rs = get_recordset_sql($sql);
$groups = array();
$usergroups = array();
while ($usergroup = rs_fetch_next_record($rs)) {
$usergroups[$usergroup->userid][$usergroup->id] = $usergroup;
}
rs_close($rs);
// Put the groupings into a hash and sorts them
foreach ($potentialmembers as $userid => $user) {
$nonmembers[$userid] = fullname($user)." (".@count($usergroups[$userid]).")";
}
// Print out the HTML
foreach($nonmembers as $id => $name) {
$potentialmembersoptions .= "<option value=\"$id\">$name</option>\n";
foreach($potentialmembersbyrole as $roleid=>$roledata) {
$potentialmembersoptions .= '<optgroup label="'.htmlspecialchars($roledata->name).'">';
foreach($roledata->users as $member) {
$name=htmlspecialchars(fullname($member, true));
$potentialmembersoptions .= '<option value="'.$member->id.
'" title="'.$name.'">'.$name.
' ('.@count($usergroups[$member->id]).')</option>';
}
$potentialmembersoptions .= '</optgroup>';
}
} else {
$potentialmembersoptions .= '<option>&nbsp;</option>';

1
lang/en_utf8/role.php
View File

@ -90,6 +90,7 @@ $string['localroles'] = 'Locally assigned roles';
$string['manageroles'] = 'Manage roles';
$string['metaassignerror'] = 'Can not assign this role to user \"$a\" because Manage metacourse capability is needed.';
$string['metaunassignerror'] = 'Role of user \"$a\" was automatically reassigned, please unassign the role in child courses instead.';
$string['multipleroles'] = 'Multiple roles';
$string['overridepermissions'] = 'Override permissions';
$string['overridepermissionsin'] = 'Override permissions in $a';
$string['morethan'] = 'More than $a';