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<?php
class profile_define_base {
/**
* Prints out the form snippet for creating or editing a profile field
* @param object instance of the moodleform class
*/
function define_form(&$form) {
$form->addElement('header', '_commonsettings', get_string('profilecommonsettings', 'admin'));
$this->define_form_common($form);
$form->addElement('header', '_specificsettings', get_string('profilespecificsettings', 'admin'));
$this->define_form_specific($form);
}
/**
* Prints out the form snippet for the part of creating or
* editing a profile field common to all data types
* @param object instance of the moodleform class
*/
function define_form_common(&$form) {
$strrequired = get_string('required');
$form->addElement('text', 'shortname', get_string('profileshortname', 'admin'), 'maxlength="100" size="25"');
$form->addRule('shortname', $strrequired, 'required', null, 'client');
$form->setType('shortname', PARAM_ALPHANUM);
$form->addElement('text', 'name', get_string('profilename', 'admin'), 'size="50"');
$form->addRule('name', $strrequired, 'required', null, 'client');
$form->setType('name', PARAM_MULTILANG);
$form->addElement('editor', 'description', get_string('profiledescription', 'admin'), null, null);
$form->addElement('selectyesno', 'required', get_string('profilerequired', 'admin'));
$form->addElement('selectyesno', 'locked', get_string('profilelocked', 'admin'));
$form->addElement('selectyesno', 'forceunique', get_string('profileforceunique', 'admin'));
$form->addElement('selectyesno', 'signup', get_string('profilesignup', 'admin'));
$choices = array();
$choices[PROFILE_VISIBLE_NONE] = get_string('profilevisiblenone', 'admin');
$choices[PROFILE_VISIBLE_PRIVATE] = get_string('profilevisibleprivate', 'admin');
$choices[PROFILE_VISIBLE_ALL] = get_string('profilevisibleall', 'admin');
$form->addElement('select', 'visible', get_string('profilevisible', 'admin'), $choices);
$form->addHelpButton('visible', 'profilevisible', 'admin');
$form->setDefault('visible', PROFILE_VISIBLE_ALL);
$choices = profile_list_categories();
$form->addElement('select', 'categoryid', get_string('profilecategory', 'admin'), $choices);
}
/**
* Prints out the form snippet for the part of creating or
* editing a profile field specific to the current data type
* @param object instance of the moodleform class
*/
function define_form_specific($form) {
/// do nothing - overwrite if necessary
}
/**
* Validate the data from the add/edit profile field form.
* Generally this method should not be overwritten by child
* classes.
* @param object data from the add/edit profile field form
* @return array associative array of error messages
*/
function define_validate($data, $files) {
$data = (object)$data;
$err = array();
$err += $this->define_validate_common($data, $files);
$err += $this->define_validate_specific($data, $files);
return $err;
}
/**
* Validate the data from the add/edit profile field form
* that is common to all data types. Generally this method
* should not be overwritten by child classes.
* @param object data from the add/edit profile field form
* @return array associative array of error messages
*/
function define_validate_common($data, $files) {
global $USER, $DB;
$err = array();
/// Check the shortname was not truncated by cleaning
if (empty($data->shortname)) {
$err['shortname'] = get_string('required');
} else {
/// Fetch field-record from DB
$field = $DB->get_record('user_info_field', array('shortname'=>$data->shortname));
/// Check the shortname is unique
if ($field and $field->id <> $data->id) {
$err['shortname'] = get_string('profileshortnamenotunique', 'admin');
}
//NOTE: since 2.0 the shortname may collide with existing fields in $USER because we load these fields into $USER->profile array instead
}
/// No further checks necessary as the form class will take care of it
return $err;
}
/**
* Validate the data from the add/edit profile field form
* that is specific to the current data type
* @param object data from the add/edit profile field form
* @param array files
* @return array associative array of error messages
*/
function define_validate_specific($data, $files) {
/// do nothing - overwrite if necessary
return array();
}
/**
* Alter form based on submitted or existing data
* @param object form
*/
function define_after_data(&$mform) {
/// do nothing - overwrite if necessary
}
/**
* Add a new profile field or save changes to current field
* @param object data from the add/edit profile field form
* @return boolean status of the insert/update record
*/
function define_save($data) {
global $DB;
$data = $this->define_save_preprocess($data); /// hook for child classes
$old = false;
if (!empty($data->id)) {
$old = $DB->get_record('user_info_field', array('id'=>(int)$data->id));
}
/// check to see if the category has changed
if (!$old or $old->categoryid != $data->categoryid) {
$data->sortorder = $DB->count_records('user_info_field', array('categoryid'=>$data->categoryid)) + 1;
}
if (empty($data->id)) {
unset($data->id);
$data->id = $DB->insert_record('user_info_field', $data);
} else {
$DB->update_record('user_info_field', $data);
}
}
/**
* Preprocess data from the add/edit profile field form
* before it is saved. This method is a hook for the child
* classes to overwrite.
* @param object data from the add/edit profile field form
* @return object processed data object
*/
function define_save_preprocess($data) {
/// do nothing - overwrite if necessary
return $data;
}
/**
* Provides a method by which we can allow the default data in profile_define_*
* to use an editor
*
* This should return an array of editor names (which will need to be formatted/cleaned)
*
* @return array
*/
function define_editors() {
return array();
}
}
/**
* Reorder the profile fields within a given category starting
* at the field at the given startorder
*/
function profile_reorder_fields() {
global $DB;
if ($categories = $DB->get_records('user_info_category')) {
foreach ($categories as $category) {
$i = 1;
if ($fields = $DB->get_records('user_info_field', array('categoryid'=>$category->id), 'sortorder ASC')) {
foreach ($fields as $field) {
$f = new stdClass();
$f->id = $field->id;
$f->sortorder = $i++;
$DB->update_record('user_info_field', $f);
}
}
}
}
}
/**
* Reorder the profile categoriess starting at the category
* at the given startorder
*/
function profile_reorder_categories() {
global $DB;
$i = 1;
if ($categories = $DB->get_records('user_info_category', null, 'sortorder ASC')) {
foreach ($categories as $cat) {
$c = new stdClass();
$c->id = $cat->id;
$c->sortorder = $i++;
$DB->update_record('user_info_category', $c);
}
}
}
/**
* Delete a profile category
* @param integer id of the category to be deleted
* @return boolean success of operation
*/
function profile_delete_category($id) {
global $DB;
/// Retrieve the category
if (!$category = $DB->get_record('user_info_category', array('id'=>$id))) {
print_error('invalidcategoryid');
}
if (!$categories = $DB->get_records('user_info_category', null, 'sortorder ASC')) {
print_error('nocate', 'debug');
}
unset($categories[$category->id]);
if (!count($categories)) {
return; //we can not delete the last category
}
/// Does the category contain any fields
if ($DB->count_records('user_info_field', array('categoryid'=>$category->id))) {
if (array_key_exists($category->sortorder-1, $categories)) {
$newcategory = $categories[$category->sortorder-1];
} else if (array_key_exists($category->sortorder+1, $categories)) {
$newcategory = $categories[$category->sortorder+1];
} else {
$newcategory = reset($categories); // get first category if sortorder broken
}
$sortorder = $DB->count_records('user_info_field', array('categoryid'=>$newcategory->id)) + 1;
if ($fields = $DB->get_records('user_info_field', array('categoryid'=>$category->id), 'sortorder ASC')) {
foreach ($fields as $field) {
$f = new stdClass();
$f->id = $field->id;
$f->sortorder = $sortorder++;
$f->categoryid = $newcategory->id;
$DB->update_record('user_info_field', $f);
//echo "<pre>";var_dump($f);echo"</pre>";
}
}
}
/// Finally we get to delete the category
$DB->delete_records('user_info_category', array('id'=>$category->id));
profile_reorder_categories();
return true;
}
function profile_delete_field($id) {
global $DB;
/// Remove any user data associated with this field
if (!$DB->delete_records('user_info_data', array('fieldid'=>$id))) {
print_error('cannotdeletecustomfield');
}
// Delete any module dependencies for this field
$DB->delete_records('course_modules_avail_fields', array('field' => $id));
// Need to rebuild course cache to update the info
rebuild_course_cache();
/// Try to remove the record from the database
$DB->delete_records('user_info_field', array('id'=>$id));
/// Reorder the remaining fields in the same category
profile_reorder_fields();
}
/**
* Change the sortorder of a field
* @param integer id of the field
* @param string direction of move
* @return boolean success of operation
*/
function profile_move_field($id, $move) {
global $DB;
/// Get the field object
if (!$field = $DB->get_record('user_info_field', array('id'=>$id), 'id, sortorder, categoryid')) {
return false;
}
/// Count the number of fields in this category
$fieldcount = $DB->count_records('user_info_field', array('categoryid'=>$field->categoryid));
/// Calculate the new sortorder
if ( ($move == 'up') and ($field->sortorder > 1)) {
$neworder = $field->sortorder - 1;
} elseif ( ($move == 'down') and ($field->sortorder < $fieldcount)) {
$neworder = $field->sortorder + 1;
} else {
return false;
}
/// Retrieve the field object that is currently residing in the new position
if ($swapfield = $DB->get_record('user_info_field', array('categoryid'=>$field->categoryid, 'sortorder'=>$neworder), 'id, sortorder')) {
/// Swap the sortorders
$swapfield->sortorder = $field->sortorder;
$field->sortorder = $neworder;
/// Update the field records
$DB->update_record('user_info_field', $field);
$DB->update_record('user_info_field', $swapfield);
}
profile_reorder_fields();
}
/**
* Change the sortorder of a category
* @param integer id of the category
* @param string direction of move
* @return boolean success of operation
*/
function profile_move_category($id, $move) {
global $DB;
/// Get the category object
if (!($category = $DB->get_record('user_info_category', array('id'=>$id), 'id, sortorder'))) {
return false;
}
/// Count the number of categories
$categorycount = $DB->count_records('user_info_category');
/// Calculate the new sortorder
if ( ($move == 'up') and ($category->sortorder > 1)) {
$neworder = $category->sortorder - 1;
} elseif ( ($move == 'down') and ($category->sortorder < $categorycount)) {
$neworder = $category->sortorder + 1;
} else {
return false;
}
/// Retrieve the category object that is currently residing in the new position
if ($swapcategory = $DB->get_record('user_info_category', array('sortorder'=>$neworder),'id, sortorder')) {
/// Swap the sortorders
$swapcategory->sortorder = $category->sortorder;
$category->sortorder = $neworder;
/// Update the category records
$DB->update_record('user_info_category', $category) and $DB->update_record('user_info_category', $swapcategory);
return true;
}
return false;
}
/**
* Retrieve a list of all the available data types
* @return array a list of the datatypes suitable to use in a select statement
*/
function profile_list_datatypes() {
global $CFG;
$datatypes = array();
$plugins = get_plugin_list('profilefield');
foreach ($plugins as $type=>$unused) {
$datatypes[$type] = get_string('pluginname', 'profilefield_'.$type);
}
asort($datatypes);
return $datatypes;
}
/**
* Retrieve a list of categories and ids suitable for use in a form
* @return array
*/
function profile_list_categories() {
global $DB;
if (!$categories = $DB->get_records_menu('user_info_category', NULL, 'sortorder ASC', 'id, name')) {
$categories = array();
}
return $categories;
}
/// Are we adding or editing a cateogory?
function profile_edit_category($id, $redirect) {
global $CFG, $DB, $OUTPUT;
require_once('index_category_form.php');
$categoryform = new category_form();
if ($category = $DB->get_record('user_info_category', array('id'=>$id))) {
$categoryform->set_data($category);
}
if ($categoryform->is_cancelled()) {
redirect($redirect);
} else {
if ($data = $categoryform->get_data()) {
if (empty($data->id)) {
unset($data->id);
$data->sortorder = $DB->count_records('user_info_category') + 1;
$DB->insert_record('user_info_category', $data, false);
} else {
$DB->update_record('user_info_category', $data);
}
profile_reorder_categories();
redirect($redirect);
}
if (empty($id)) {
$strheading = get_string('profilecreatenewcategory', 'admin');
} else {
$strheading = get_string('profileeditcategory', 'admin', format_string($category->name));
}
/// Print the page
echo $OUTPUT->header();
echo $OUTPUT->heading($strheading);
$categoryform->display();
echo $OUTPUT->footer();
die;
}
}
function profile_edit_field($id, $datatype, $redirect) {
global $CFG, $DB, $OUTPUT, $PAGE;
if (!$field = $DB->get_record('user_info_field', array('id'=>$id))) {
$field = new stdClass();
$field->datatype = $datatype;
$field->description = '';
$field->descriptionformat = FORMAT_HTML;
$field->defaultdata = '';
$field->defaultdataformat = FORMAT_HTML;
}
// Clean and prepare description for the editor
$field->description = clean_text($field->description, $field->descriptionformat);
$field->description = array('text'=>$field->description, 'format'=>$field->descriptionformat, 'itemid'=>0);
require_once('index_field_form.php');
$fieldform = new field_form(null, $field->datatype);
// Convert the data format for
if (is_array($fieldform->editors())) {
foreach ($fieldform->editors() as $editor) {
if (isset($field->$editor)) {
$field->$editor = clean_text($field->$editor, $field->{$editor.'format'});
$field->$editor = array('text'=>$field->$editor, 'format'=>$field->{$editor.'format'}, 'itemid'=>0);
}
}
}
$fieldform->set_data($field);
if ($fieldform->is_cancelled()) {
redirect($redirect);
} else {
if ($data = $fieldform->get_data()) {
require_once($CFG->dirroot.'/user/profile/field/'.$datatype.'/define.class.php');
$newfield = 'profile_define_'.$datatype;
$formfield = new $newfield();
// Collect the description and format back into the proper data structure from the editor
// Note: This field will ALWAYS be an editor
$data->descriptionformat = $data->description['format'];
$data->description = $data->description['text'];
// Check whether the default data is an editor, this is (currently) only the
// textarea field type
if (is_array($data->defaultdata) && array_key_exists('text', $data->defaultdata)) {
// Collect the default data and format back into the proper data structure from the editor
$data->defaultdataformat = $data->defaultdata['format'];
$data->defaultdata = $data->defaultdata['text'];
}
// Convert the data format for
if (is_array($fieldform->editors())) {
foreach ($fieldform->editors() as $editor) {
if (isset($field->$editor)) {
$field->{$editor.'format'} = $field->{$editor}['format'];
$field->$editor = $field->{$editor}['text'];
}
}
}
$formfield->define_save($data);
profile_reorder_fields();
profile_reorder_categories();
redirect($redirect);
}
$datatypes = profile_list_datatypes();
if (empty($id)) {
$strheading = get_string('profilecreatenewfield', 'admin', $datatypes[$datatype]);
} else {
$strheading = get_string('profileeditfield', 'admin', $field->name);
}
/// Print the page
$PAGE->navbar->add($strheading);
echo $OUTPUT->header();
echo $OUTPUT->heading($strheading);
$fieldform->display();
echo $OUTPUT->footer();
die;
}
}
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