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<?php
/**
* The main group management user interface.
*
* @copyright &copy; 2006 The Open University
* @author N.D.Freear AT open.ac.uk
* @author J.White AT open.ac.uk
* @license http://www.gnu.org/copyleft/gpl.html GNU Public License
* @package groups
*/
require_once('../config.php');
require_once('lib.php');
require_once($CFG->libdir.'/moodlelib.php');
ini_set('include_path', $CFG->libdir.'/pear'.PATH_SEPARATOR.ini_get('include_path'));
require_once('HTML/AJAX/JSON.php');
require_js('yui_yahoo');
require_js('yui_dom');
require_js('yui_connection');
require_js($CFG->wwwroot.'/group/lib/clientlib.js');
$success = true;
$courseid = required_param('id', PARAM_INT);
$groupingid = optional_param('grouping', GROUP_NOT_IN_GROUPING, PARAM_INT);
$groupid = optional_param('group', false, PARAM_INT);
$userid = optional_param('user', false, PARAM_INT);
$action = groups_param_action();
if (empty($CFG->enablegroupings)) {
// NO GROUPINGS YET!
$groupingid = GROUP_NOT_IN_GROUPING;
}
if ($groupid) {
$groupingsforgroup = groups_get_groupings_for_group($groupid);
if ($groupingsforgroup) {
// NOTE
// We currently assume that a group can only belong to one grouping.
// FIXME
// The UI will have to be fixed if we want to support more than one
// groupings per group in the future.
//
// vy-shane AT moodle DOT com
$groupingid = array_shift($groupingsforgroup);
}
}
// Get the course information so we can print the header and
// check the course id is valid
$course = groups_get_course_info($courseid);
if (! $course) {
$success = false;
print_error('invalidcourse'); //'The course ID is invalid'
}
if ($success) {
// Make sure that the user has permissions to manage groups.
require_login($courseid);
$context = get_context_instance(CONTEXT_COURSE, $courseid);
if (! has_capability('moodle/course:managegroups', $context)) {
redirect(); //"group.php?id=$course->id"); // Not allowed to see all groups
}
// Set the session key so we can check this later
$sesskey = !empty($USER->id) ? $USER->sesskey : '';
switch ($action) {
case false: //OK, display form.
break;
case 'ajax_getgroupsingrouping':
if (GROUP_NOT_IN_GROUPING == $groupingid) {
$groupids = groups_get_groups_not_in_any_grouping($courseid);
} else {
$groupids = groups_get_groups_in_grouping($groupingid);
}
$group_names = groups_groupids_to_group_names($groupids);
echo json_encode($group_names);
die; // Client side JavaScript takes it from here.
case 'ajax_getmembersingroup':
$members = array();
if ($memberids = groups_get_members($groupid)) {
$member_names = groups_userids_to_user_names($memberids, $courseid);
echo json_encode($member_names);
}
die; // Client side JavaScript takes it from here.
case 'showgroupingsettingsform':
redirect(groups_grouping_edit_url($courseid, $groupingid, false));
break;
case 'showgroupingpermsform':
break;
case 'deletegrouping':
redirect(groups_grouping_edit_url($courseid, $groupingid, $html=false, $param='delete=1'));
break;
case 'showcreategroupingform':
redirect(groups_grouping_edit_url($courseid, null, false));
break;
case 'printerfriendly':
redirect('printgrouping.php?courseid='. $courseid .'&groupingid='. $groupingid);
break;
case 'showgroupsettingsform':
redirect(groups_group_edit_url($courseid, $groupid, $groupingid, false));
break;
case 'deletegroup':
redirect(groups_group_edit_url($courseid, $groupid, $groupingid, $html=false, $param='delete=1'));
break;
case 'removegroup':
break;
case 'showcreategroupform':
// Allow groups to be created outside of groupings
/*
if (GROUP_NOT_IN_GROUPING == $groupingid) {
print_error('errornotingrouping', 'group', groups_home_url($courseid), get_string('notingrouping', 'group'));
}
*/
redirect(groups_group_edit_url($courseid, null, $groupingid, false));
break;
case 'showcreateorphangroupform':
redirect(groups_group_edit_url($courseid, null, null, false));
break;
case 'addgroupstogroupingform':
break;
case 'updategroups': //Currently reloading.
break;
case 'removemembers':
break;
case 'showaddmembersform':
redirect(groups_members_add_url($courseid, $groupid, $groupingid, false));
break;
case 'updatemembers': //Currently reloading.
break;
default: //ERROR.
if (debugging()) {
error('Error, unknown button/action. Probably a user-interface bug!', groups_home_url($courseid));
break;
}
}
// Print the page and form
$strgroups = get_string('groups');
$strparticipants = get_string('participants');
print_header("$course->shortname: $strgroups home", //TODO: home
$course->fullname,
"<a href=\"$CFG->wwwroot/course/view.php?id=$courseid\">$course->shortname</a> ".
"-> <a href=\"$CFG->wwwroot/user/index.php?id=$courseid\">$strparticipants</a> ".
"-> $strgroups", '', '', true, '', user_login_string($course, $USER));
$usehtmleditor = false;
//TODO: eventually we'll implement all buttons, meantime hide the ones we haven't finished.
$shownotdone = false;
$disabled = 'disabled="disabled"';
// Pre-disable buttons based on URL variables
if (!empty($groupingid) && $groupingid > -1) {
$showeditgroupsettingsform_disabled = '';
$showeditgroupingsettingsform_disabled = '';
$deletegroup_disabled = '';
$deletegrouping_disabled = '';
$printerfriendly_disabled = '';
$showcreategroupform_disabled = '';
} else {
$showeditgroupsettingsform_disabled = $disabled;
$showeditgroupingsettingsform_disabled = $disabled;
$deletegroup_disabled = $disabled;
$deletegrouping_disabled = $disabled;
$printerfriendly_disabled = $disabled;
$showcreategroupform_disabled = $disabled;
}
if ($groupingid == -1 && groups_count_groups_in_grouping(GROUP_NOT_IN_GROUPING, $courseid) > 0) {
$printerfriendly_disabled = '';
}
if (!empty($groupid)) {
$showaddmembersform_disabled = '';
$showeditgroupsettingsform_disabled = '';
$deletegroup_disabled = '';
} else {
$deletegroup_disabled = $disabled;
$showeditgroupsettingsform_disabled = $disabled;
$showaddmembersform_disabled = $disabled;
}
print_heading(format_string($course->shortname) .' '.$strgroups, 'center', 3);
echo '<form id="groupeditform" action="index.php" method="post">'."\n";
echo '<div>'."\n";
echo '<input type="hidden" name="id" value="' . $courseid . '" />'."\n";
/*
<input type="hidden" name="groupid" value="<?php p($selectedgroup) ?>" />
<input type="hidden" name="sesskey" value="<?php p($sesskey) ?>" />
<input type="hidden" name="roleid" value="<?php p($roleid) ?>" />
*/
echo '<table cellpadding="6" class="generaltable generalbox groupmanagementtable boxaligncenter" summary="">'."\n";
echo '<tr>'."\n";
if (empty($CFG->enablegroupings)) {
// NO GROUPIGS YET!
$sel_groupingid = -1;
} else {
echo '<td class="generalboxcontent">'."\n";
echo '<p><label for="groupings">' . get_string('groupings', 'group') . '<span id="dummygrouping">&nbsp;</span></label></p>'."\n";
echo '<select name="grouping" id="groupings" size="15" class="select"';
echo ' onchange="groupsCombo.refreshGroups(this.options[this.selectedIndex].value);"';
//NOTE: onclick/onmouseout is for long names in IE6 (Firefox/IE7 display OPTION title).
echo ' onclick="window.status=this.options[this.selectedIndex].title;" onmouseout="window.status=\'\';">'."\n";
$groupingids = groups_get_groupings($courseid);
if (groups_count_groups_in_grouping(GROUP_NOT_IN_GROUPING, $courseid) > 0) {
//NOTE, only show the pseudo-grouping if it has groups.
$groupingids[] = GROUP_NOT_IN_GROUPING;
}
$sel_groupingid = -1;
if ($groupingids) {
// Put the groupings into a hash and sort them
foreach($groupingids as $id) {
$listgroupings[$id] = groups_get_grouping_displayname($id, $courseid);
}
natcasesort($listgroupings);
// Print out the HTML
$count = 1;
foreach($listgroupings as $id => $name) {
$select = '';
if ($groupingid == $id) { //|| $count <= 1) ??
$select = ' selected="selected"';
$sel_groupingid = $id;
}
echo "<option value=\"$id\"$select title=\"$name\">$name</option>\n";
$count++;
}
} else {
echo '<option>&nbsp;</option>';
}
echo '</select>'."\n";
echo '<p><input type="submit" name="act_updategroups" id="updategroups" value="'
. get_string('showgroupsingrouping', 'group') . '" /></p>'."\n";
echo '<p><input type="submit" ' . $showeditgroupingsettingsform_disabled . ' name="act_showgroupingsettingsform" id="showeditgroupingsettingsform" value="'
. get_string('editgroupingsettings', 'group') . '" /></p>'."\n";
if ($shownotdone) {
echo '<p><input type="submit" '.$disabled.' name="act_showgroupingpermsform" '
. 'id="showeditgroupingpermissionsform" value="'
. get_string('editgroupingpermissions', 'group') . '" /></p>'."\n";
}
echo '<p><input type="submit" ' . $deletegrouping_disabled . ' name="act_deletegrouping" id="deletegrouping" value="'
. get_string('deletegrouping', 'group') . '" /></p>'."\n";
echo '<p><input type="submit" name="act_showcreategroupingform" id="showcreategroupingform" value="'
. get_string('creategrouping', 'group') . '" /></p>'."\n";
if ($shownotdone) {
echo '<p><input type="submit" '.$disabled.' name="act_createautomaticgroupingform" '
. 'id="showcreateautomaticgroupingform" value="'
. get_string('createautomaticgrouping', 'group') . '" /></p>'."\n";
}
echo '<p><input type="submit" ' . $printerfriendly_disabled . ' name="act_printerfriendly" id="printerfriendly" value="'
. get_string('printerfriendly', 'group') . '" /></p>'."\n";
echo "</td>\n";
}
echo "<td>\n";
if (empty($CFG->enablegroupings)) {
// NO GROUPINGS YET!
echo '<p><label for="groups"><span id="groupslabel">'.get_string('groups').':</span><span id="thegrouping">&nbsp;</span></label></p>'."\n";
} else {
echo '<p><label for="groups"><span id="groupslabel">'.get_string('groupsinselectedgrouping', 'group').' </span><span id="thegrouping">'.get_string('grouping', 'group').'</span></label></p>'."\n";
}
echo '<select name="group" id="groups" size="15" class="select" onchange="membersCombo.refreshMembers(this.options[this.selectedIndex].value);"'."\n";
echo ' onclick="window.status=this.options[this.selectedIndex].title;" onmouseout="window.status=\'\';">'."\n";
if (GROUP_NOT_IN_GROUPING == $sel_groupingid) {
$groupids = groups_get_groups_not_in_any_grouping($courseid); //$sel_groupingid
} else {
$groupids = groups_get_groups_in_grouping($sel_groupingid);
}
if ($groupids) {
// Put the groups into a hash and sort them
$group_names = groups_groupids_to_group_names($groupids);
// Print out the HTML
$count = 1;
foreach ($group_names as $group) {
$select = '';
if ($groupid == $group->id) { //|| $count <= 1) ??
$select = ' selected="selected"';
$sel_groupid = $group->id;
}
echo "<option value=\"{$group->id}\"$select title=\"{$group->name}\">{$group->name}</option>\n";
$count++;
}
} else {
// Print an empty option to avoid the XHTML error of having an empty select element
echo '<option>&nbsp;</option>';
}
echo '</select>'."\n";
echo '<p><input type="submit" name="act_updatemembers" id="updatemembers" value="'
. get_string('showmembersforgroup', 'group') . '" /></p>'."\n";
echo '<p><input type="submit" '. $showeditgroupsettingsform_disabled . ' name="act_showgroupsettingsform" id="showeditgroupsettingsform" value="'
. get_string('editgroupsettings', 'group') . '" /></p>'."\n";
echo '<p><input type="submit" '. $deletegroup_disabled . ' name="act_deletegroup" onclick="onDeleteGroup()" id="deletegroup" value="'
. get_string('deleteselectedgroup', 'group') . '" /></p>'."\n";
if ($shownotdone) {
echo '<p><input type="submit" '.$disabled.' name="act_removegroup" '
. 'id="removegroup" value="' . get_string('removegroupfromselectedgrouping', 'group') . '" /></p>'."\n";
}
if (empty($CFG->enablegroupings)) {
// NO GROUPIGS YET!
echo '<p><input type="submit" name="act_showcreateorphangroupform" id="showcreateorphangroupform" value="'
. get_string('creategroup', 'group') . '" /></p>'."\n";
echo '<p><input type="submit" name="act_printerfriendly" id="printerfriendly" value="'
. get_string('printerfriendly', 'group') . '" /></p>'."\n";
} else {
echo '<p><input type="submit" ' . $showcreategroupform_disabled . ' name="act_showcreategroupform" id="showcreategroupform" value="'
. get_string('creategroupinselectedgrouping', 'group') . '" /></p>'."\n";
echo '<p><input type="submit" name="act_showcreateorphangroupform" id="showcreateorphangroupform" value="'
. get_string('createorphangroup', 'group') . '" /></p>'."\n";
if ($shownotdone) {
echo '<p><input type="submit" '.$disabled.' name="act_addgroupstogroupingform" '
. 'id="showaddgroupstogroupingform" value="' . get_string('addgroupstogrouping', 'group') . '" /></p>'."\n";
}
}
echo '</td>'."\n";
echo '<td>'."\n";
echo '<p><label for="members"><span id="memberslabel">'.get_string('membersofselectedgroup', 'group').' </span><span id="thegroup">&nbsp;</span></label></p>'."\n";
//NOTE: the SELECT was, multiple="multiple" name="user[]" - not used and breaks onclick.
echo '<select name="user" id="members" size="15" class="select"'."\n";
echo ' onclick="window.status=this.options[this.selectedIndex].title;" onmouseout="window.status=\'\';">'."\n";
if (isset($sel_groupid)) {
$userids = groups_get_members($sel_groupid);
}
if (isset($userids)) { //&& is_array($userids)
// Put the groupings into a hash and sort them
$user_names = groups_userids_to_user_names($userids, $courseid);
if(empty($user_names)) {
echo '<option>&nbsp;</option>';
} else {
foreach ($user_names as $user) {
echo "<option value=\"{$user->id}\" title=\"{$user->name}\">{$user->name}</option>\n";
}
}
} else {
// Print an empty option to avoid the XHTML error of having an empty select element
echo '<option>&nbsp;</option>';
}
echo '</select>'."\n";
if ($shownotdone) {
echo '<p><input type="submit" '.$disabled.' name="act_removemembers" '
. 'id="removemembers" value="' . get_string('removeselectedusers', 'group') . '"/></p>'."\n";
}
echo '<p><input type="submit" ' . $showaddmembersform_disabled . ' name="act_showaddmembersform" '
. 'id="showaddmembersform" value="' . get_string('adduserstogroup', 'group'). '" /></p>'."\n";
echo '</td>'."\n";
echo '</tr>'."\n";
echo '</table>'."\n";
//<input type="hidden" name="rand" value="om" />
echo '</div>'."\n";
echo '</form>'."\n";
echo '<script type="text/javascript">'."\n";
echo '//<![CDATA['."\n";
echo 'var groupsCombo = new UpdatableGroupsCombo("'.$CFG->wwwroot.'", '.$course->id.');'."\n";
echo 'var membersCombo = new UpdatableMembersCombo("'.$CFG->wwwroot.'", '.$course->id.');'."\n";
echo '//]]>'."\n";
echo '</script>'."\n";
print_footer($course);
}
?>
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