--- /dev/null
+<?php //$Id$
+ require_once('../config.php');
+ require_once($CFG->libdir.'/adminlib.php');
+ require_once($CFG->libdir.'/dmllib.php');
+
+ require_once($CFG->dirroot.'/user/filters/text.php');
+ require_once($CFG->dirroot.'/user/filters/select.php');
+ require_once($CFG->dirroot.'/user/filters/courserole.php');
+ require_once($CFG->dirroot.'/user/filters/globalrole.php');
+ require_once($CFG->dirroot.'/user/filters/profilefield.php');
+ require_once($CFG->dirroot.'/user/filters/yesno.php');
+
+ require_once($CFG->dirroot.'/admin/user_bulk_form.php');
+ define("MAX_USERS_PER_PAGE", 5000);
+
+ $sitecontext = get_context_instance(CONTEXT_SYSTEM, SITEID);
+
+ // array of bulk operations
+ $actions = array();
+ $actions[1] = get_string('confirm');
+ if (has_capability('moodle/site:readallmessages', $sitecontext) && !empty($CFG->messaging)) {
+ $actions[2] = get_string('messageselectadd');
+ }
+ $actions[3] = get_string('delete');
+
+ // create the bulk operations form
+ $user_bulk_form =& new user_bulk_form(null, $actions);
+ // check if an action should be performed and do so
+ switch ($user_bulk_form->getAction()) {
+ case 1:
+ include($CFG->dirroot . '/admin/user_bulk_confirm.php');
+ return;
+ case 2:
+ include($CFG->dirroot . '/admin/user_bulk_message.php');
+ return;
+ case 3:
+ include($CFG->dirroot . '/admin/user_bulk_delete.php');
+ return;
+ }
+
+ // prepare user filter types
+ $filters[] = new user_filter_text('username', get_string('username'), 'username');
+ $filters[] = new user_filter_text('realname', get_string('fullname'), sql_fullname());
+ $filters[] = new user_filter_text('email', get_string('email'), 'email');
+ $filters[] = new user_filter_text('city', get_string('city'), 'city');
+ $filters[] = new user_filter_select('country', get_string('country'), 'country', get_list_of_countries());
+ $filters[] = new user_filter_yesno('confirmed', get_string('confirm'), 'confirmed');
+ $filters[] = new user_filter_profilefield('profile', get_string('profile'));
+ $filters[] = new user_filter_courserole('course', get_string('courserole', 'filters'));
+ $filters[] = new user_filter_globalrole('system', get_string('globalrole', 'role'));
+
+ // create the user filter form
+ $user_filter_form =& new user_filter_form(null, $filters);
+
+ // do output
+ admin_externalpage_setup('editusers');
+ admin_externalpage_print_header();
+
+ // put the user filter form first
+ $user_filter_form->display();
+ // get the SQL filter
+ $where =& $user_filter_form->getSQLFilter('id<>1 AND NOT deleted');
+ $ausercount = count_records_select('user', $where);
+ // limit the number of options
+ if($ausercount <= MAX_USERS_PER_PAGE) {
+ $user_bulk_form->setAvailableUsersSQL($where);
+ } else {
+ echo get_string('toomanytoshow');
+ }
+ // display the bulk user form
+ $user_bulk_form->display();
+ admin_externalpage_print_footer();
--- /dev/null
+<?php //$Id$
+/**
+* script for bulk user delete operations
+*/
+
+require_once('../config.php');
+require_once($CFG->libdir.'/adminlib.php');
+
+$confirm = optional_param('confirm', 0, PARAM_BOOL);
+$sitecontext = get_context_instance(CONTEXT_SYSTEM, SITEID);
+require_capability('moodle/user:update', $sitecontext);
+
+// clean-up users list
+$primaryadmin = get_admin();
+$userlist = array();
+foreach ($SESSION->bulk_susers as $k => $v) {
+ $user = get_record('user', 'id', $v, null, null, null, null, 'id,firstname,lastname,username,secret,confirmed,mnethostid,auth');
+ if (!empty($user) && $user->id != $primaryadmin->id && !$user->confirmed && !is_mnet_remote_user($user)) {
+ $userlist[$k] = $user;
+ }
+}
+
+if (empty($userlist)) {
+ redirect($CFG->wwwroot . '/admin/user_bulk.php');
+}
+
+admin_externalpage_setup('editusers');
+admin_externalpage_print_header();
+if (empty($confirm)) {
+ $usernames = array();
+ foreach ($userlist as $user) {
+ $usernames[] =& fullname($user, true);
+ }
+ $usernames = implode(', ', $usernames);
+ $optionsyes['confirm'] = 1;
+ $optionsyes['sesskey'] = sesskey();
+ print_heading(get_string('confirmation', 'admin'));
+ notice_yesno(get_string('confirmcheckfull', '', $usernames), 'user_bulk_confirm.php', 'user_bulk.php', $optionsyes, NULL, 'post', 'get');
+} else {
+ foreach ($userlist as $k => $user) {
+ $auth = get_auth_plugin($user->auth);
+ $result = $auth->user_confirm(addslashes($user->username), addslashes($user->secret));
+ if ($result != AUTH_CONFIRM_OK && $result != AUTH_CONFIRM_ALREADY) {
+ notify(get_string('usernotconfirmed', '', fullname($user, true)));
+ }
+ }
+ redirect($CFG->wwwroot . '/admin/user_bulk.php', get_string('changessaved'));
+}
+admin_externalpage_print_footer();
--- /dev/null
+<?php //$Id$
+/**
+* script for bulk user delete operations
+*/
+
+require_once('../config.php');
+require_once($CFG->libdir.'/adminlib.php');
+
+$confirm = optional_param('confirm', 0, PARAM_BOOL);
+$sitecontext = get_context_instance(CONTEXT_SYSTEM, SITEID);
+
+require_capability('moodle/user:delete', $sitecontext);
+
+// clean-up users list
+$primaryadmin = get_admin();
+$userlist = array();
+foreach ($SESSION->bulk_susers as $k => $v) {
+ $user = get_record('user', 'id', $v, null, null, null, null, 'id,firstname,lastname,email');
+ if (!empty($user) && $user->id != $primaryadmin->id) {
+ $userlist[$k] = $user;
+ }
+}
+
+if (empty($userlist)) {
+ redirect($CFG->wwwroot . '/admin/user_bulk.php');
+}
+
+admin_externalpage_setup('editusers');
+admin_externalpage_print_header();
+if (empty($confirm)) {
+ $usernames = array();
+ foreach ($userlist as $user) {
+ $usernames[] =& fullname($user, true);
+ }
+ $usernames = implode(', ', $usernames);
+ $optionsyes['confirm'] = 1;
+ $optionsyes['sesskey'] = sesskey();
+ print_heading(get_string('confirmation', 'admin'));
+ notice_yesno(get_string('deletecheckfull', '', $usernames), 'user_bulk_delete.php', 'user_bulk.php', $optionsyes, NULL, 'post', 'get');
+} else {
+ foreach ($userlist as $k => $user) {
+ $user->username = addslashes($user->email . time()); // Remember it just in case
+ $user->deleted = 1;
+ $user->email = ''; // Clear this field to free it up
+ $user->timemodified = time();
+ $user->idnumber = ''; // Clear this field to free it up
+ if (update_record('user', $user)) {
+ // not sure if this is needed. unenrol_student($user->id); // From all courses
+ delete_records('role_assignments', 'userid', $user->id); // unassign all roles
+ // remove all context assigned on this user?
+ // notify(get_string('deletedactivity', '', fullname($user, true)) );
+ unset($SESSION->bulk_susers[$k]);
+ } else {
+ notify(get_string('deletednot', '', fullname($user, true)));
+ }
+ }
+ redirect($CFG->wwwroot . '/admin/user_bulk.php', get_string('changessaved'));
+}
+admin_externalpage_print_footer();
--- /dev/null
+<?php //$Id$
+
+require_once($CFG->libdir.'/formslib.php');
+require_once($CFG->libdir . '/datalib.php');
+
+class user_bulk_form extends moodleform {
+ /**
+ * Quickform select object for the available users.
+ */
+ var $ausers;
+ /**
+ * Quickform select object for the selected users.
+ */
+ var $susers;
+ // form definition
+ function definition() {
+ $mform =& $this->_form;
+ $mform->addElement('header', 'users', get_string('usersinlist', 'bulkusers'));
+
+ $this->ausers =& $mform->createElement('select', 'ausers', get_string('filtered', 'bulkusers'), null, 'size="15"');
+ $this->ausers->setMultiple(true);
+ $this->susers =& $mform->createElement('select', 'susers', get_string('selected', 'bulkusers'), null, 'size="15"');
+ $this->susers->setMultiple(true);
+
+ $objs = array();
+ $objs[] = &$this->ausers;
+ $objs[] = &$this->susers;
+
+ $mform->addElement('group', 'usersgrp', get_string('users'), $objs, ' ', false);
+
+ $objs = array();
+ $objs[] =& $mform->createElement('submit', 'addone', get_string('addsel', 'bulkusers'));
+ $objs[] =& $mform->createElement('submit', 'removeone', get_string('removesel', 'bulkusers'));
+ $objs[] =& $mform->createElement('submit', 'addall', get_string('addall', 'bulkusers'));
+ $objs[] =& $mform->createElement('submit', 'removeall', get_string('removeall', 'bulkusers'));
+ $mform->addElement('group', 'buttonsgrp', null, $objs, array(' ', '<br />'), false);
+
+ $objs = array();
+ $objs[] =& $mform->createElement('select', 'action', get_string('withselected'), @$this->_customdata);
+ $objs[] =& $mform->createElement('submit', 'doaction', get_string('go'));;
+ $mform->addElement('group', 'actionsgrp', get_string('actions'), $objs, ' ', false);
+
+ $renderer =& $mform->defaultRenderer();
+ $template = '<label class="qflabel" style="vertical-align:top">{label}</label> {element}';
+ $renderer->setGroupElementTemplate($template, 'usersgrp');
+ }
+
+ function definition_after_data() {
+ global $SESSION;
+ $this->_updateSelection($this->get_data());
+ $this->setSelectedUsers($SESSION->bulk_susers);
+ if(empty($SESSION->bulk_susers)) {
+ $this->_form->removeElement('actionsgrp');
+ }
+ }
+
+ /**
+ * Updates the user selection based on the data submited to the form.
+ * @param object $data object with data received by the form
+ */
+ function _updateSelection($data) {
+ global $SESSION;
+ if(!is_array(@$SESSION->bulk_susers)) {
+ $SESSION->bulk_susers = array();
+ }
+ // if the forms was not submited, then quit
+ if(is_null($data)){
+ return;
+ }
+ if(@$data->addall) {
+ if(!empty($SESSION->bulk_ausers)) {
+ $SESSION->bulk_susers = array_merge($SESSION->bulk_susers, $SESSION->bulk_ausers);
+ }
+ } else if(@$data->addone) {
+ if(!empty($data->ausers)) {
+ $SESSION->bulk_susers = array_merge($SESSION->bulk_susers, array_values($data->ausers));
+ }
+ } else if(@$data->removeone) {
+ if(!empty($data->susers)) {
+ $SESSION->bulk_susers = array_diff($SESSION->bulk_susers, array_values($data->susers));
+ }
+ } else if(@$data->removeall) {
+ $SESSION->bulk_susers = array();
+ }
+ $SESSION->bulk_susers = array_unique($SESSION->bulk_susers);
+ }
+
+ /**
+ * Sets the available users list, based on their ids
+ * @param array $ausers array of user ids
+ */
+ function setAvailableUsers($ausers) {
+ $sqlwhere = null;
+ if(!empty($ausers)) {
+ $sqlwhere = 'id IN (' . implode(',', $ausers) . ')';
+ }
+ $this->setAvailableUsersSQL($sqlwhere);
+ }
+
+ /**
+ * Sets the available users list, based on a SQL where condition
+ * @param string $sqlwhere filter for the users
+ */
+ function setAvailableUsersSQL($sqlwhere=null) {
+ global $SESSION;
+ if(is_null($sqlwhere) || ($users =& $this->getUserData($sqlwhere))===false) {
+ $users = array();
+ }
+ $SESSION->bulk_ausers =& array_keys($users);
+ $this->ausers->load($users);
+ }
+
+ /**
+ * Sets the selected users list, based on their ids
+ * @param array $ausers array of user ids
+ */
+ function setSelectedUsers($susers) {
+ $sqlwhere = null;
+ if(!empty($susers)) {
+ $sqlwhere = 'id IN (' . implode(',', $susers) . ')';
+ }
+ $this->setSelectedUsersSQL($sqlwhere);
+ }
+
+ /**
+ * Sets the selected users list, based on a SQL where condition
+ * @param string $sqlwhere filter for the users
+ */
+ function setSelectedUsersSQL($sqlwhere=null) {
+ global $SESSION;
+ if(is_null($sqlwhere) || ($users =& $this->getUserData($sqlwhere))===false) {
+ $users = array();
+ }
+ $SESSION->bulk_susers =& array_keys($users);
+ $this->susers->load($users);
+ }
+
+ /**
+ * Returns information about the users.
+ * @param string $sqlwhere filter for the users
+ */
+ function getUserData($sqlwhere) {
+ return get_records_select_menu('user', $sqlwhere, 'fullname', 'id,' . sql_fullname() . ' AS fullname');
+ }
+
+ /**
+ * Returns an array of ids of selected users.
+ * @return array of selected users' ids
+ */
+ function getSelectedUsers() {
+ global $SESSION;
+ return $SESSION->bulk_susers;
+ }
+
+ /**
+ * Returns an int code of the action to be performed.
+ * @return int code of the action or false if no action should be performed
+ */
+ function getAction() {
+ $data =& $this->get_data();
+ if(!$this->is_submitted() || empty($data->doaction)){
+ return false;
+ }
+ return $data->action;
+ }
+}
--- /dev/null
+<?php //$Id$
+require_once('../config.php');
+require_once($CFG->dirroot.'/message/lib.php');
+require_once($CFG->libdir.'/adminlib.php');
+
+$users = $SESSION->bulk_susers;
+$sitecontext = get_context_instance(CONTEXT_SYSTEM, SITEID);
+require_login();
+require_capability('moodle/site:readallmessages', $sitecontext);
+
+// fix for MDL-10112
+if (empty($CFG->messaging)) {
+ error("Messaging is disabled on this site");
+}
+
+require_once('user_message_form.php');
+$extradata['userlist'] =& $users;
+$noteform =& new user_message_form('user_bulk_message.php', $extradata);
+// if no users or action canceled, return to users page
+if (empty($users) || $noteform->is_cancelled()) {
+ redirect($CFG->wwwroot . '/admin/user_bulk.php');
+}
+
+$formdata =& $noteform->get_data();
+// if we have the message and the command, then send it
+if ($noteform->is_submitted() && !empty($formdata->send)) {
+ if(empty($formdata->messagebody)) {
+ notify(get_string('allfieldsrequired'));
+ } else {
+ foreach ($users as $u) {
+ if ($user = get_record('user', 'id', $u)) {
+ message_post_message($USER, $user, addslashes($formdata->messagebody), $formdata->format, 'direct');
+ }
+ }
+ redirect($CFG->wwwroot . '/admin/user_bulk.php');
+ }
+}
+
+admin_externalpage_setup('editusers');
+admin_externalpage_print_header();
+if ($noteform->is_submitted() && !empty($formdata->preview)) {
+ echo '<h3>'.get_string('previewhtml').'</h3>';
+ echo '<div class="messagepreview">'. format_text(stripslashes($formdata->messagebody),$formdata->format). '</div>';
+}
+
+$noteform->display();
+admin_externalpage_print_footer();
--- /dev/null
+<?php //$Id$
+
+require_once($CFG->libdir.'/formslib.php');
+
+class user_message_form extends moodleform {
+
+ function definition() {
+ $mform =& $this->_form;
+ $mform->addElement('header', 'general', get_string('message', 'message'));
+
+ $mform->addElement('textarea', 'messagebody', get_string('messagebody'), array('rows'=>15, 'cols'=>30));
+ $mform->setType('messagebody', PARAM_CLEANHTML);
+ $mform->addRule('messagebody', '', 'required', null, 'client');
+ $mform->setHelpButton('messagebody', array('writing', 'reading', 'questions', 'richtext'), false, 'editorhelpbutton');
+
+ $mform->addElement('format', 'format', get_string('format'));
+
+ $objs = array();
+ foreach($this->_customdata['userlist'] as $k=>$u) {
+ $user = get_record('user', 'id', $u);
+ $objs[] =& $mform->createElement('static', null, null, '<input type="checkbox" name="userid['. $k .']" checked="checked" value="'.$u . '" />'. fullname($user));
+ }
+ $mform->addElement('group', 'users', 'Users', $objs, '<br />', false);
+
+ $objs = array();
+ $objs[] = &$mform->createElement('submit', 'send', 'Send');
+ $objs[] = &$mform->createElement('submit', 'preview', 'Preview');
+ $objs[] = &$mform->createElement('cancel');
+ $mform->addElement('group', 'buttonar', '', $objs, ' ', false);
+ $mform->closeHeaderBefore('buttonar');
+ }
+}
--- /dev/null
+<?php //$Id$
+$string['usersinlist'] = 'Users in list';
+$string['addall'] = 'Add all to selection';
+$string['addsel'] = 'Add to selection';
+$string['removeall'] = 'Remove all from selection';
+$string['removesel'] = 'Remove from selection';
+$string['filtered'] = 'Filtered';
+$string['selected'] = 'Selected';
+$string['action'] = 'Action';
--- /dev/null
+<?php //$Id$
+$string['actfilterhdr'] = 'Active filters';
+$string['addfilter'] = 'Add filter';
+$string['anyvalue'] = 'any value';
+$string['anyrole'] = 'any role';
+$string['anyfield'] = 'any field';
+$string['newfilter'] = 'New filter';
+$string['setfilter'] = 'Set filter';
+$string['removeall'] = 'Remove all';
+$string['removeselected'] = 'Remove selected';
+$string['anycourse'] = 'any course';
+$string['anycategory'] = 'any category';
+$string['contains'] = 'contains';
+$string['doesnotcontain'] = 'doesn\'t contain';
+$string['isequalto'] = 'is equal to';
+$string['isnotequalto'] = 'isn\'t equal to';
+$string['startswith'] = 'starts with';
+$string['endswith'] = 'ends with';
+$string['isempty'] = 'is empty';
+$string['isnotdefined'] = 'isn\'t defined';
+$string['isdefined'] = 'is defined';
+$string['isanyvalue'] = 'is any value';
+$string['categoryrole'] = 'Category role';
+$string['courserole'] = 'Course role';
--- /dev/null
+<h1>Course role filter</h1>
+<p>This filter allows you to filter users based the role they have assigned in the course specified by its shortname from a specified course category (if the shortname textbox is empty, the category is "any category" and the role is "any role" then the filter is disabled).
+</p>
--- /dev/null
+<h1>Global role filter</h1>
+<p>This filter allows you to filter users based the global role they have assigned.</p>
--- /dev/null
+<h1>Profile filter</h1>
+<p>This filter allows you to filter users based on values of profile fields.
+The filter can be applied on a single profile field or an all profile fields.
+The filter has the following options:</p>
+<ul>
+<li>contains - this option allows only users for which the specified field contains the text entered (if no text is entered, then the filter is disabled)</li>
+<li>doesn't contain - this option allows only users for which the specified field does not contain the text entered (if no text is entered, then the filter is disabled)</li>
+<li>is equal to - this option allows only users for which the specified field is equal to the text entered (if no text is entered, then the filter is disabled)</li>
+<li>starts with - this option allows only users for which the specified field starts with the text entered (if no text is entered, then the filter is disabled)</li>
+<li>ends with - this option allows only users for which the specified field ends with the text entered (if no text is entered, then the filter is disabled)</li>
+<li>is empty - this option allows only users for which the specified field is equal to an empty string, but it is defined (the text entered is ignored)</li>
+<li>is not defined - this option allows only users for which the specified field is not defined (the text entered is ignored)</li>
+<li>is defined - this option allows only users for which the specified field is defined (the text entered is ignored)</li>
+</ul>
--- /dev/null
+<h1>Radios filter</h1>
+<p>This filter allows you to filter information based on the option you select.
+Depending on the filter settings, the first option might be the "any value" option which disables the filter.</p>
--- /dev/null
+<h1>Select filter</h1>
+<p>This filter allows you to filter information based on a drop down list.
+The filter has the following options:</p>
+<ul>
+<li>is any value - this option disables the filter (i.e. all information is accepted by this filter)</li>
+<li>is equal to - this option allows only information that is equal to the value selected from the list</li>
+<li>is not equal to - this option allows only information that is different from the value selected from the list</li>
+</ul>
--- /dev/null
+<h1>Text filter</h1>
+<p>This filter allows you to filter information based on a free form text.
+The filter has the following options:</p>
+<ul>
+<li>contains - this option allows only information that contains the text entered (if no text is entered, then the filter is disabled)</li>
+<li>doesn't contain - this option allows only information that does not contain the text entered (if no text is entered, then the filter is disabled)</li>
+<li>is equal to - this option allows only information that is equal to the text entered (if no text is entered, then the filter is disabled)</li>
+<li>starts with - this option allows only information that starts with the text entered (if no text is entered, then the filter is disabled)</li>
+<li>ends with - this option allows only information that ends with the text entered (if no text is entered, then the filter is disabled)</li>
+<li>is empty - this option allows only information that is equal to an empty string (the text entered is ignored)</li>
+</ul>
$string['completereport'] = 'Complete report';
$string['configuration'] = 'Configuration';
$string['confirm'] = 'Confirm';
+$string['confirmcheckfull'] = 'Are you absolutely sure you want to confirm $a ?';
$string['confirmed'] = 'Your registration has been confirmed';
$string['confirmednot'] = 'Your registration has not yet been confirmed!';
$string['continue'] = 'Continue';
$string['errorexistsrolename'] = 'Role name already exists';
$string['errorexistsroleshortname'] = 'Role name already exists';
$string['existingusers'] = '$a existing users';
+$string['globalrole'] = 'Global role';
$string['globalroleswarning'] = 'WARNING! Any roles you assign from this page will apply to the assigned users throughout the entire site, including the front page and all the courses.';
$string['inherit'] = 'Inherit';
$string['legacy:admin'] = 'LEGACY ROLE: Administrator';
--- /dev/null
+<?php //$Id$
+
+require_once($CFG->dirroot . '/user/filters/lib.php');
+
+/**
+ * User filter based on roles in a course identified by its shortname.
+ */
+class user_filter_courserole extends user_filter_type {
+ /**
+ * User role (0 = any role)
+ */
+ var $_roleid;
+ /**
+ * Course category in which to search the course (0 = all categories).
+ */
+ var $_categoryid;
+ /**
+ * Constructor
+ * @param string $name the name of the filter instance
+ * @param string $label the label of the filter instance
+ * @param string $field the field used for filtering data
+ * @param string $value the shortname of the course (used for filtering data)
+ * @param int $categoryid id of the category
+ * @param int $roleid id of the role
+ */
+ function user_filter_courserole($name, $label, $field='id', $value=null, $categoryid=0, $roleid=0) {
+ parent::user_filter_type($name, $label, $field, $value);
+ $this->_roleid = $roleid;
+ $this->_categoryid = $categoryid;
+ }
+
+ /**
+ * Returns an array of available roles
+ * @return array of availble roles
+ */
+ function getRoles() {
+ $context =& get_context_instance(CONTEXT_SYSTEM);
+ $roles =& array_merge(array(0=> get_string('anyrole','filters')), get_assignable_roles($context));
+ return $roles;
+ }
+
+ /**
+ * Returns an array of course categories
+ * @return array of course categories
+ */
+ function getCourseCategories() {
+ $displaylist = array();
+ $parentlist = array();
+ make_categories_list($displaylist, $parentlist);
+ return array_merge(array(0=> get_string('anycategory', 'filters')), $displaylist);
+ }
+
+ /**
+ * Adds controls specific to this filter in the form.
+ * @param object $mform a MoodleForm object to setup
+ */
+ function setupForm(&$mform) {
+ $objs = array();
+ $objs[] =& $mform->createElement('select', $this->_name . '_rl', null, $this->getRoles());
+ $objs[] =& $mform->createElement('select', $this->_name . '_ct', null, $this->getCourseCategories());
+ $objs[] =& $mform->createElement('text', $this->_name, null);
+ $grp =& $mform->addElement('group', $this->_name . '_grp', $this->_label, $objs, '', false);
+ $grp->setHelpButton(array('courserole','','filters'));
+ $mform->setDefault($this->_name, $this->_value);
+ $mform->setDefault($this->_name . '_rl', $this->_roleid);
+ $mform->setDefault($this->_name . '_ct', $this->_categoryid);
+ }
+
+ /**
+ * Retrieves data from the form data
+ * @param object $formdata data submited with the form
+ */
+ function checkData($formdata) {
+ $field = $this->_name;
+ $role = $field . '_rl';
+ $category = $field . '_ct';
+ $this->_value = (string)@$formdata->$field;
+ $this->_roleid = (int)@$formdata->$role;
+ $this->_categoryid = (int)@$formdata->$category;
+ }
+
+ /**
+ * Returns the condition to be used with SQL where
+ * @return string the filtering condition or null if the filter is disabled
+ */
+ function getSQLFilter() {
+ global $CFG;
+ if(empty($this->_value) && empty($this->_roleid) && empty($this->_categoryid)) {
+ return null;
+ }
+ $timenow = time();
+ $where = 'WHERE b.contextlevel=50 AND timestart<' . $timenow .' AND (timeend=0 OR timeend>'. $timenow . ')';
+ if($this->_roleid) {
+ $where.= ' AND roleid='. $this->_roleid;
+ }
+ if($this->_categoryid) {
+ $where .= ' AND category=' . $this->_categoryid;
+ }
+ if($this->_value) {
+ $where .= ' AND shortname="' . $this->_value . '"';
+ }
+ return $this->_field . " IN (SELECT userid FROM {$CFG->prefix}role_assignments a ".
+ "INNER JOIN {$CFG->prefix}context b ON a.contextid=b.id ".
+ "INNER JOIN {$CFG->prefix}course c ON b.instanceid=c.id ".
+ $where . ')';
+ }
+
+ /**
+ * Returns a human friendly description of the filter.
+ * @return string filter description
+ */
+ function getDescription() {
+ if ($this->_roleid) {
+ $roles =& $this->getRoles();
+ $rolename = '"' . $roles[$this->_roleid]. '"';
+ } else {
+ $rolename = get_string('anyrole','filters');
+ }
+ if ($this->_categoryid) {
+ $categories=& $this->getCourseCategories();
+ $categoryname = '"' . $categories[$this->_categoryid]. '"';
+ } else {
+ $categoryname = get_string('anycategory', 'filters');
+ }
+ if ($this->_value) {
+ $coursename = '"' . stripslashes($this->_value). '"';
+ } else {
+ $coursename = get_string('anycourse','filters');
+ }
+ return $this->_label . ' is ' . $rolename. ' in ' . $coursename . ' from ' . $categoryname;
+ }
+}
--- /dev/null
+<?php //$Id$
+
+require_once($CFG->dirroot . '/user/filters/lib.php');
+
+/**
+ * User filter based on global roles.
+ */
+class user_filter_globalrole extends user_filter_type {
+ /**
+ * Constructor
+ * @param string $name the name of the filter instance
+ * @param string $label the label of the filter instance
+ * @param string $field the field used for filtering data
+ * @param int $value id of the role (used for filtering data); 0 = any role
+ */
+ function user_filter_globalrole($name, $label, $field='id', $value=0) {
+ parent::user_filter_type($name, $label, $field, $value);
+ }
+
+ /**
+ * Returns an array of available roles
+ * @return array of availble roles
+ */
+ function getRoles() {
+ $context =& get_context_instance(CONTEXT_SYSTEM);
+ $roles =& array_merge(array(0=> get_string('anyrole','filters')), get_assignable_roles($context));
+ return $roles;
+ }
+
+ /**
+ * Adds controls specific to this filter in the form.
+ * @param object $mform a MoodleForm object to setup
+ */
+ function setupForm(&$mform) {
+ $obj =& $mform->addElement('select', $this->_name, $this->_label, $this->getRoles());
+ $obj->setHelpButton(array('globalrole','','filters'));
+ $mform->setDefault($this->_name, $this->_value);
+ }
+
+ /**
+ * Retrieves data from the form data
+ * @param object $formdata data submited with the form
+ */
+ function checkData($formdata) {
+ $field = $this->_name;
+ $this->_value = (string)@$formdata->$field;
+ }
+
+ /**
+ * Returns the condition to be used with SQL where
+ * @return string the filtering condition or null if the filter is disabled
+ */
+ function getSQLFilter() {
+ global $CFG;
+ if(empty($this->_value)) {
+ return null;
+ }
+ $timenow = time();
+ $where = 'WHERE contextlevel=10 AND roleid='. $this->_value . ' AND timestart<' . $timenow .' AND (timeend=0 OR timeend>'. $timenow . ')';
+ return $this->_field . " IN (SELECT userid FROM {$CFG->prefix}role_assignments a ".
+ "INNER JOIN {$CFG->prefix}context b ON a.contextid=b.id ".
+ $where . ')';
+ }
+
+ /**
+ * Returns a human friendly description of the filter.
+ * @return string filter description
+ */
+ function getDescription() {
+ $roles =& $this->getRoles();
+ return $this->_label . ' is ' . $roles[$this->_value];
+ }
+}
--- /dev/null
+<?php //$Id$
+
+/**
+ * Library of functions and constants for user filters
+ */
+
+require_once($CFG->dirroot . '/user/filters/user_filter_form.php');
+
+/**
+ * The base user filter.
+ */
+class user_filter_type {
+ /**
+ * The name of this filter instance.
+ */
+ var $_name;
+ /**
+ * The label of this filter instance.
+ */
+ var $_label;
+ /**
+ * The field database used for filtering data.
+ */
+ var $_field;
+ /**
+ * The value used for filtering data.
+ */
+ var $_value;
+ /**
+ * Constructor
+ * @param string $name the name of the filter instance
+ * @param string $label the label of the filter instance
+ * @param string $field the field used for filtering data
+ * @param string $value the value used for filtering data
+ */
+ function user_filter_type($name, $label, $field, $value=null) {
+ $this->_name = $name;
+ $this->_label = $label;
+ $this->_field = $field;
+ $this->_value = $value;
+ }
+
+ /**
+ * Returns the condition to be used with SQL where
+ * @return string the filtering condition or null if the filter is disabled
+ */
+ function getSQLFilter() {
+ return $this->_field . '="' . $this->_value . '"';
+ }
+
+ /**
+ * Retrieves data from the form data
+ * @param object $formdata data submited with the form
+ */
+ function checkData($formdata) {
+ $field = $this->_name;
+ $this->_value = (string)@$formdata->$field;
+ }
+
+ /**
+ * Adds controls specific to this filter in the form.
+ * @param object $mform a MoodleForm object to setup
+ */
+ function setupForm(&$mform) {
+ $mform->addElement('text', $this->_name, $this->_label);
+ $mform->setDefault($this->_name, $this->_value);
+ }
+
+ /**
+ * Returns a human friendly description of the filter.
+ * @return string filter description
+ */
+ function getDescription() {
+ return $this->_label . ' is "' . $this->_value . '"';
+ }
+}
--- /dev/null
+<?php //$Id$
+
+require_once($CFG->dirroot . '/user/filters/lib.php');
+
+/**
+ * User filter based on values of custom profile fields.
+ */
+class user_filter_profilefield extends user_filter_type {
+ /**
+ * operator used for comparison of data
+ */
+ var $_operator;
+ /**
+ * profile field to look at (0 - all fields)
+ */
+ var $_profile_field;
+ /**
+ * Constructor
+ * @param string $name the name of the filter instance
+ * @param string $label the label of the filter instance
+ * @param string $field the field used for filtering data
+ * @param string $value the value of the profile field (used for filtering data)
+ * @param int $profile_field id of the profile field to look in
+ * @param int $operator code of the comparison operator
+ */
+ function user_filter_profilefield($name, $label, $field='id', $value=null, $profile_field=0, $operator=0) {
+ parent::user_filter_type($name, $label, $field, $value);
+ $this->_operator = $operator;
+ $this->_profile_field = $profile_field;
+ }
+
+ /**
+ * Returns an array of comparison operators
+ * @return array of comparison operators
+ */
+ function getOperators() {
+ return array(
+ get_string('contains', 'filters'),
+ get_string('doesnotcontain','filters'),
+ get_string('isequalto','filters'),
+ get_string('startswith','filters'),
+ get_string('endswith','filters'),
+ get_string('isempty','filters'),
+ get_string('isnotdefined','filters'),
+ get_string('isdefined','filters'),
+ );
+ }
+
+ /**
+ * Returns an array of custom profile fields
+ * @return array of profile fields
+ */
+ function getProfileFields() {
+ $fields =& get_records_select('user_info_field', '', 'shortname', 'id,shortname');
+ if(empty($fields)) {
+ return null;
+ }
+ $res[0] = get_string('anyfield','filters');
+ foreach($fields as $k=>$v) {
+ $res[$k] = $v->shortname;
+ }
+ return $res;
+ }
+
+ /**
+ * Adds controls specific to this filter in the form.
+ * @param object $mform a MoodleForm object to setup
+ */
+ function setupForm(&$mform) {
+ $profile_fields =& $this->getProfileFields();
+ if(empty($profile_fields)) {
+ return;
+ }
+ $objs = array();
+ $objs[] =& $mform->createElement('select', $this->_name . '_fld', null, $profile_fields);
+ $objs[] =& $mform->createElement('select', $this->_name . '_op', null, $this->getOperators());
+ $objs[] =& $mform->createElement('text', $this->_name, null);
+ $grp =& $mform->addElement('group', $this->_name . '_grp', $this->_label, $objs, '', false);
+ $grp->setHelpButton(array('profilefield','','filters'));
+ }
+
+ /**
+ * Retrieves data from the form data
+ * @param object $formdata data submited with the form
+ */
+ function checkData($formdata) {
+ $field = $this->_name;
+ $operator = $field . '_op';
+ $profile_field = $field . '_fld';
+ $this->_value = (string)@$formdata->$field;
+ $this->_operator = (int)@$formdata->$operator;
+ $this->_profile_field = (int)@$formdata->$profile_field;
+ }
+
+ /**
+ * Returns the condition to be used with SQL where
+ * @return string the filtering condition or null if the filter is disabled
+ */
+ function getSQLFilter() {
+ global $CFG;
+ $where = '';
+ $op = ' IN ';
+ switch($this->_operator) {
+ case 0: // contains
+ if(empty($this->_value)) {
+ return null;
+ }
+ $where = 'data ' . sql_ilike(). ' "%' . $this->_value . '%"';
+ break;
+ case 1: // does not contain
+ if(empty($this->_value)) {
+ return null;
+ }
+ $where = 'data NOT ' . sql_ilike(). ' "%' . $this->_value . '%"';
+ break;
+ case 2: // equal to
+ if(empty($this->_value)) {
+ return null;
+ }
+ $where = 'data="' . $this->_value . '"';
+ break;
+ case 3: // starts with
+ if(empty($this->_value)) {
+ return null;
+ }
+ $where = 'data ' . sql_ilike(). ' "' . $this->_value . '%"';
+ break;
+ case 4: // ends with
+ if(empty($this->_value)) {
+ return null;
+ }
+ $where = 'data ' . sql_ilike(). ' "%' . $this->_value . '"';
+ break;
+ case 5: // empty
+ $where = 'data=""';
+ break;
+ case 6: // is not defined
+ $op = ' NOT IN ';
+ break;
+ case 7: // is defined
+ break;
+ }
+ if(!empty($this->_profile_field)) {
+ if(!empty($where)) {
+ $where = ' AND ' . $where;
+ }
+ $where = 'fieldid=' . $this->_profile_field . $where;
+ }
+ if(!empty($where)) {
+ $where = ' WHERE ' . $where;
+ }
+ return $this->_field . $op . "(SELECT userid FROM {$CFG->prefix}user_info_data" . $where . ')';
+ }
+
+ /**
+ * Returns a human friendly description of the filter.
+ * @return string filter description
+ */
+ function getDescription() {
+ $res = '';
+ $operators =& $this->getOperators();
+ $profilefields =& $this->getProfileFields();
+ switch($this->_operator) {
+ case 0: // contains
+ case 1: // doesn't contain
+ case 2: // equal to
+ case 3: // starts with
+ case 4: // ends with
+ $res = $this->_label . ': '. $profilefields[$this->_profile_field] . ' ' . $operators[$this->_operator]. ' "' . stripslashes($this->_value) . '"';
+ break;
+ case 5: // empty
+ case 6: // is not defined
+ case 7: // is defined
+ $res = $this->_label . ': '. $profilefields[$this->_profile_field] . ' ' . $operators[$this->_operator];
+ break;
+ }
+ return $res;
+ }
+}
--- /dev/null
+<?php //$Id$
+
+require_once($CFG->dirroot . '/user/filters/lib.php');
+
+/**
+ * Generic filter with radio buttons for integer fields.
+ */
+class user_filter_radios extends user_filter_type {
+ /**
+ * options for the radio buttons
+ */
+ var $_options;
+ /**
+ * id of the option which disables the filter
+ */
+ var $_offoption;
+ /**
+ * Constructor
+ * @param string $name the name of the filter instance
+ * @param string $label the label of the filter instance
+ * @param string $field the field used for filtering data
+ * @param array $options associative array used to generate the radio buttons
+ * @param boolean $offoption true if a "don't care" option should be generated
+ * @param int $value the value used for filtering data
+ */
+ function user_filter_radios($name, $label, $field, $options, $offoption=true, $value=null) {
+ parent::user_filter_type($name, $label, $field, $value);
+ $this->_options = $options;
+ if($offoption) {
+ $this->_offoption = @min(array_keys($options)) - 1;
+ } else {
+ $this->_offoption = null;
+ }
+ }
+
+ /**
+ * Adds controls specific to this filter in the form.
+ * @param object $mform a MoodleForm object to setup
+ */
+ function setupForm(&$mform) {
+ $objs = array();
+ if(!is_null($this->_offoption)) {
+ $objs[] =& $mform->createElement('radio', $this->_name, null, get_string('anyvalue', 'filters'), $this->_offoption);
+ }
+ foreach($this->_options as $k=>$v) {
+ $objs[] =& $mform->createElement('radio', $this->_name, null, $v, $k);
+ }
+ $grp =& $mform->addElement('group', $this->_name . '_grp', $this->_label, $objs, '', false);
+ $mform->setDefault($this->_name, -1);
+ $grp->setHelpButton(array('radios','','filters'));
+ }
+
+ /**
+ * Retrieves data from the form data
+ * @param object $formdata data submited with the form
+ */
+ function checkData($formdata) {
+ $field = $this->_name;
+ $this->_value = (int)@$formdata->$field;
+ }
+
+ /**
+ * Returns the condition to be used with SQL where
+ * @return string the filtering condition or null if the filter is disabled
+ */
+ function getSQLFilter() {
+ if($this->_value === $this->_offoption) {
+ return null;
+ }
+ return $this->_field . '=' . $this->_value;
+ }
+
+ /**
+ * Returns a human friendly description of the filter.
+ * @return string filter description
+ */
+ function getDescription() {
+ return $this->_label . ' is ' . $this->_options[$this->_value];
+ }
+}
--- /dev/null
+<?php //$Id$
+
+require_once($CFG->dirroot . '/user/filters/lib.php');
+
+/**
+ * Generic filter based on a list of values.
+ */
+class user_filter_select extends user_filter_type {
+ /**
+ * operator used for comparison of data
+ */
+ var $_operator;
+ /**
+ * options for the list values
+ */
+ var $_options;
+ /**
+ * Constructor
+ * @param string $name the name of the filter instance
+ * @param string $label the label of the filter instance
+ * @param string $field the field used for filtering data
+ * @param string $value the value used for filtering data
+ * @param int $operator code of the comparison operator
+ */
+ function user_filter_select($name, $label, $field, $options, $value=null, $operator=null) {
+ parent::user_filter_type($name, $label, $field, $value);
+ $this->_operator = $operator;
+ $this->_options = $options;
+ }
+
+ /**
+ * Returns an array of comparison operators
+ * @return array of comparison operators
+ */
+ function getOperators() {
+ return array(
+ get_string('isanyvalue','filters'),
+ get_string('isequalto','filters'),
+ get_string('isnotequalto','filters'),
+ );
+ }
+
+ /**
+ * Adds controls specific to this filter in the form.
+ * @param object $mform a MoodleForm object to setup
+ */
+ function setupForm(&$mform) {
+ $objs = array();
+ $objs[] =& $mform->createElement('select', $this->_name . '_op', null, $this->getOperators());
+ $objs[] =& $mform->createElement('select', $this->_name, null, $this->_options);
+ $grp =& $mform->addElement('group', $this->_name . '_grp', $this->_label, $objs, '', false);
+ $grp->setHelpButton(array('select','','filters'));
+ }
+
+ /**
+ * Retrieves data from the form data
+ * @param object $formdata data submited with the form
+ */
+ function checkData($formdata) {
+ $field = $this->_name;
+ $operator = $field . '_op';
+ $this->_value = (string)@$formdata->$field;
+ $this->_operator = (int)@$formdata->$operator;
+ }
+
+ /**
+ * Returns the condition to be used with SQL where
+ * @return string the filtering condition or null if the filter is disabled
+ */
+ function getSQLFilter() {
+ switch($this->_operator) {
+ default:
+ return null;
+ case 1: // equal to
+ $res = '="' . $this->_value . '"';
+ break;
+ case 2: // not equal to
+ $res = '<>"' . $this->_value . '"';
+ break;
+ }
+ return $this->_field . $res;
+ }
+
+ /**
+ * Returns a human friendly description of the filter.
+ * @return string filter description
+ */
+ function getDescription() {
+ $operators = $this->getOperators();
+ switch($this->_operator) {
+ case 1: // equal to
+ case 2: // not equal to
+ $res = $this->_label . ' ' . $operators[$this->_operator]. ' "' . $this->_options[stripslashes($this->_value)] . '"';
+ break;
+ }
+ return $res;
+ }
+}
+
--- /dev/null
+<?php //$Id$
+
+require_once($CFG->dirroot . '/user/filters/lib.php');
+
+/**
+ * Generic filter for text fields.
+ */
+class user_filter_text extends user_filter_type {
+ /**
+ * operator used for comparison of data
+ */
+ var $_operator;
+ /**
+ * Constructor
+ * @param string $name the name of the filter instance
+ * @param string $label the label of the filter instance
+ * @param string $field the field used for filtering data
+ * @param string $value the value used for filtering data
+ * @param int $operator code of the comparison operator
+ */
+ function user_filter_text($name, $label, $field, $value=null, $operator=0) {
+ parent::user_filter_type($name, $label, $field, $value);
+ $this->_operator = $operator;
+ }
+
+ /**
+ * Returns an array of comparison operators
+ * @return array of comparison operators
+ */
+ function getOperators() {
+ return array(
+ get_string('contains', 'filters'),
+ get_string('doesnotcontain','filters'),
+ get_string('isequalto','filters'),
+ get_string('startswith','filters'),
+ get_string('endswith','filters'),
+ get_string('isempty','filters'),
+ );
+ }
+
+ /**
+ * Adds controls specific to this filter in the form.
+ * @param object $mform a MoodleForm object to setup
+ */
+ function setupForm(&$mform) {
+ $objs = array();
+ $objs[] =& $mform->createElement('select', $this->_name . '_op', null, $this->getOperators());
+ $objs[] =& $mform->createElement('text', $this->_name, null);
+ $grp =& $mform->addElement('group', $this->_name . '_grp', $this->_label, $objs, '', false);
+ $grp->setHelpButton(array('text','','filters'));
+ $mform->setDefault($this->_name, $this->_value);
+ $mform->setDefault($this->_name . '_op', $this->_operator);
+ }
+
+ /**
+ * Retrieves data from the form data
+ * @param object $formdata data submited with the form
+ */
+ function checkData($formdata) {
+ $field = $this->_name;
+ $operator = $field . '_op';
+ $this->_value = (string)@$formdata->$field;
+ $this->_operator = (int)@$formdata->$operator;
+ }
+
+ /**
+ * Returns the condition to be used with SQL where
+ * @return string the filtering condition or null if the filter is disabled
+ */
+ function getSQLFilter() {
+ switch($this->_operator) {
+ default:
+ return null;
+ case 0: // contains
+ if(empty($this->_value)) {
+ return null;
+ }
+ $res = ' ' . sql_ilike(). ' "%' . $this->_value . '%"';
+ break;
+ case 1: // does not contain
+ if(empty($this->_value)) {
+ return null;
+ }
+ $res = ' NOT ' . sql_ilike(). ' "%' . $this->_value . '%"';
+ break;
+ case 2: // equal to
+ if(empty($this->_value)) {
+ return null;
+ }
+ $res = '="' . $this->_value . '"';
+ break;
+ case 3: // starts with
+ if(empty($this->_value)) {
+ return null;
+ }
+ $res = ' ' . sql_ilike(). ' "' . $this->_value . '%"';
+ break;
+ case 4: // ends with
+ if(empty($this->_value)) {
+ return null;
+ }
+ $res = ' ' . sql_ilike(). ' "%' . $this->_value . '"';
+ break;
+ case 5: // empty
+ if(empty($this->_value)) {
+ return null;
+ }
+ $res = '=""';
+ break;
+ }
+ return $this->_field . $res;
+ }
+
+ /**
+ * Returns a human friendly description of the filter.
+ * @return string filter description
+ */
+ function getDescription() {
+ $operators = $this->getOperators();
+ switch($this->_operator) {
+ case 0: // contains
+ case 1: // doesn't contain
+ case 2: // equal to
+ case 3: // starts with
+ case 4: // ends with
+ $res = $operators[$this->_operator]. ' "' . stripslashes($this->_value) . '"';
+ break;
+ case 5: // empty
+ $res = $operators[$this->_operator];
+ break;
+ }
+ return $this->_label . ' ' . $res;
+ }
+}
--- /dev/null
+<?php //$Id$
+
+require_once($CFG->libdir.'/formslib.php');
+//require_once($CFG->libdir . '/form/submit.php'); // (abautu) is it necesary? i don't think so
+
+class user_filter_form extends moodleform {
+ /**
+ * array of filter type objects
+ */
+ var $_filtersTypes = array();
+
+ // form definition
+ function definition() {
+ global $SESSION;
+ // add controls for each filter type in the new filter group
+ $mform =& $this->_form;
+ $this->_filtersTypes =& $this->_customdata;
+ $mform->addElement('header', 'newfilter', get_string('newfilter','filters'));
+ foreach($this->_filtersTypes as $ft) {
+ $ft->setupForm($mform);
+ }
+ $objs = array();
+ $objs[] = &$mform->createElement('submit', 'add ', get_string('addfilter','filters'));
+ $objs[] = &$mform->createElement('submit', 'set', get_string('setfilter','filters'));
+ $mform->addElement('group', 'addfilterbar', '', $objs, ' ', false);
+
+ // add controls for each active filter in the active filters group
+ $mform->addElement('header', 'actfilterhdr', get_string('actfilterhdr','filters'));
+ $objs = array();
+ $objs[] = &$mform->createElement('cancel', 'remove', get_string('removeselected','filters'));
+ $objs[] = &$mform->createElement('cancel', 'cancel', get_string('removeall','filters'));
+ $mform->addElement('group', 'actfiltergrp', '', $objs, ' ', false);
+ // insert the controls before the buttons
+ if(!empty($SESSION->user_filter_descriptions)) {
+ foreach($SESSION->user_filter_descriptions as $k => $f) {
+ $obj = &$mform->createElement('checkbox', 'filter['.$k.']', null, $f);
+ $mform->insertElementBefore($obj, 'actfiltergrp');
+ }
+ }
+ }
+
+ /**
+ * Removes an active filter from the form and filters list.
+ * @param int $key id of filter to remove
+ */
+ function _removeFilter($key) {
+ global $SESSION;
+ unset($SESSION->user_filter_clauses[$key]);
+ unset($SESSION->user_filter_descriptions[$key]);
+ $this->_form->removeElement('filter['.$key.']');
+ }
+
+ /**
+ * Removes all active filters from the form and filters list.
+ */
+ function _removeFilters() {
+ global $SESSION;
+ if(!empty($SESSION->user_filter_clauses)) {
+ foreach($SESSION->user_filter_clauses as $key=>$f) {
+ $this->_removeFilter($key);
+ }
+ }
+ }
+
+ /**
+ * Stores an active filter to the form and filters list.
+ * @param int $key id of filter to remove
+ * @param string $description human friendly description of the filter
+ * @param string $clauses SQL where condition
+ */
+ function _insertFilter($key, $description, $clause) {
+ global $SESSION;
+ $SESSION->user_filter_clauses[$key] = $clause;
+ $SESSION->user_filter_descriptions[$key] = $description;
+ $mform =& $this->_form;
+ $obj = &$mform->createElement('checkbox', 'filter['.$key.']', null, $description);
+ $mform->insertElementBefore($obj, 'actfiltergrp');
+ }
+
+ /**
+ * Updates form and filters list based on data received
+ * @param object $data object with data received by the form
+ */
+ function _updateFilters($data) {
+ global $SESSION;
+ // if the forms was not submited, then quit
+ if(is_null($data)){
+ return;
+ }
+ // if cancel was pressed, then remove all filters
+ if(!empty($data->cancel)) {
+ $this->_removeFilters();
+ return;
+ }
+
+ // if remove was pressed, then remove selected filters
+ if(!empty($data->remove)) {
+ if(!empty($data->filter)) {
+ foreach($data->filter as $k=>$f) {
+ $this->_removeFilter($k);
+ }
+ }
+ return;
+ }
+
+ // if set was pressed, then remove all filters before adding new ones
+ if(!empty($data->set)) {
+ $this->_removeFilters();
+ }
+
+ // in any other case, add the selected filter
+ // first build the filter out of each active filter type
+ $clauses = array();
+ $descriptions = array();
+ foreach($this->_filtersTypes as $ft) {
+ $ft->checkData($data);
+ $sqlFilter = $ft->getSQLFilter();
+ // ignore disabled filters
+ if(!empty($sqlFilter)) {
+ $clauses[] = $sqlFilter;
+ $descriptions[] = $ft->getDescription();
+ }
+ }
+ // if no filters are active, then quit
+ if(empty($clauses)) {
+ return;
+ }
+
+ // join the filter parts and their descriptions together
+ $clauses = implode(' AND ', $clauses);
+ $descriptions = implode(', ', $descriptions);
+
+ // check if this filter is a duplicate; if so, then quit
+ $lastkey = -1;
+ if(!empty($SESSION->user_filter_descriptions)) {
+ foreach($SESSION->user_filter_descriptions as $k=>$c) {
+ if($c == $descriptions) {
+ return;
+ }
+ $lastkey = $k;
+ }
+ }
+ // append the new filter
+ $this->_insertFilter($lastkey + 1, $descriptions, $clauses);
+ }
+
+ function definition_after_data() {
+ global $SESSION;
+ $mform =& $this->_form;
+ // update the filters
+ $this->_updateFilters($this->get_data());
+ // remove the active filters section if no filters are defined
+ if(empty($SESSION->user_filter_descriptions)) {
+ $mform->removeElement('actfiltergrp');
+ $mform->removeElement('actfilterhdr');
+ }
+ }
+
+ /**
+ * Returns the complete SQL where condition coresponding to the active filters and the extra conditions
+ * @param mixed $extra array of SQL where conditions to be conected by ANDs or a string SQL where condition, which will be connected to the active filters conditions by AND
+ * @return string SQL where condition
+ */
+ function getSQLFilter($extra='') {
+ global $SESSION;
+ if(is_array($extra)) {
+ $extra = implode(' AND ', $extra);
+ }
+ // join sql filters with ORs and put inside paranteses
+ if(!empty($SESSION->user_filter_clauses)) {
+ if(!empty($extra)) {
+ $extra .= ' AND ';
+ }
+ $extra .= '((' . implode(') OR (',$SESSION->user_filter_clauses) . '))';
+ }
+ return $extra;
+ }
+}
--- /dev/null
+<?php //$Id$
+
+require_once($CFG->dirroot . '/user/filters/radios.php');
+
+/**
+ * Generic yes/no filter with radio buttons for integer fields.
+ */
+class user_filter_yesno extends user_filter_radios {
+ /**
+ * Constructor
+ * @param string $name the name of the filter instance
+ * @param string $label the label of the filter instance
+ * @param string $field the field used for filtering data
+ * @param int $value the value used for filtering data
+ */
+ function user_filter_yesno($name, $label, $field, $value=-1) {
+ parent::user_filter_radios($name, $label, $field, array(0=>get_string('no'), 1=>get_string('yes')), true, $value);
+ }
+}