PHP moodleform::addRule方法代码示例

 /**
  * Add elements for editing the profile field value.
  * @param moodleform $mform
  */
 public function edit_field_add($mform)
 {
     // Create the form field.
     $checkbox = $mform->addElement('advcheckbox', $this->inputname, format_string($this->field->name));
     if ($this->data == '1') {
         $checkbox->setChecked(true);
     }
     $mform->setType($this->inputname, PARAM_BOOL);
     if ($this->is_required() and !has_capability('moodle/user:update', context_system::instance())) {
         $mform->addRule($this->inputname, get_string('required'), 'nonzero', null, 'client');
     }
 }

 /**
  * Prints out the form snippet for the part of creating or editing a profile field common to all data types.
  *
  * @param moodleform $form instance of the moodleform class
  */
 public function define_form_common(&$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_TEXT);
     $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);
 }

 /**
  * Sets the required flag for the field in the form object
  *
  * @param moodleform $mform instance of the moodleform class
  */
 public function edit_field_set_required($mform)
 {
     global $USER;
     if ($this->is_required() && ($this->userid == $USER->id || isguestuser())) {
         $mform->addRule($this->inputname, get_string('required'), 'required', null, 'client');
     }
 }

 /**
  * Called by HTML_QuickForm whenever form event is made on this element.
  *
  * @param string $event Name of event
  * @param mixed $arg event arguments
  * @param moodleform $caller calling object
  * @return mixed
  */
 public function onQuickFormEvent($event, $arg, &$caller)
 {
     switch ($event) {
         case 'createElement':
             // The first argument is the name.
             $name = $arg[0];
             // Set disable actions.
             $caller->disabledIf($name . '[modgrade_scale]', $name . '[modgrade_type]', 'neq', 'scale');
             $caller->disabledIf($name . '[modgrade_point]', $name . '[modgrade_type]', 'neq', 'point');
             // Set validation rules for the sub-elements belonging to this element.
             // A handy note: the parent scope of a closure is the function in which the closure was declared.
             // Because of this using $this is safe despite the closures being called statically.
             // A nasty magic hack!
             $checkmaxgrade = function ($val) {
                 // Closure to validate a max points value. See the note above about scope if this confuses you.
                 if (isset($val['modgrade_type']) && $val['modgrade_type'] === 'point') {
                     if (!isset($val['modgrade_point'])) {
                         return false;
                     }
                     return $this->validate_point($val['modgrade_point']);
                 }
                 return true;
             };
             $checkvalidscale = function ($val) {
                 // Closure to validate a scale value. See the note above about scope if this confuses you.
                 if (isset($val['modgrade_type']) && $val['modgrade_type'] === 'scale') {
                     if (!isset($val['modgrade_scale'])) {
                         return false;
                     }
                     return $this->validate_scale($val['modgrade_scale']);
                 }
                 return true;
             };
             $maxgradeexceeded = get_string('modgradeerrorbadpoint', 'grades', get_config('core', 'gradepointmax'));
             $invalidscale = get_string('modgradeerrorbadscale', 'grades');
             // When creating the rules the sixth arg is $force, we set it to true because otherwise the form
             // will attempt to validate the existence of the element, we don't want this because the element
             // is being created right now and doesn't actually exist as a registered element yet.
             $caller->addRule($name, $maxgradeexceeded, 'callback', $checkmaxgrade, 'server', false, true);
             $caller->addRule($name, $invalidscale, 'callback', $checkvalidscale, 'server', false, true);
             break;
         case 'updateValue':
             // As this is a group element with no value of its own we are only interested in situations where the
             // default value or a constant value are being provided to the actual element.
             // In this case we expect an int that is going to translate to a scale if negative, or to max points
             // if positive.
             // A constant value should be given as an int.
             // The default value should be an int and should really be $CFG->gradepointdefault.
             $value = $this->_findValue($caller->_constantValues);
             if (null === $value) {
                 if ($caller->isSubmitted()) {
                     break;
                 }
                 $value = $this->_findValue($caller->_defaultValues);
             }
             if (!is_null($value) && !is_scalar($value)) {
                 // Something unexpected (likely an array of subelement values) has been given - this will be dealt
                 // with somewhere else - where exactly... likely the subelements.
                 debugging('An invalid value (type ' . gettype($value) . ') has arrived at ' . __METHOD__, DEBUG_DEVELOPER);
                 break;
             }
             // Set element state for existing data.
             // This is really a pretty hacky thing to do, when data is being set the group element is called
             // with the data first and the subelements called afterwards.
             // This means that the subelements data (inc const and default values) can be overridden by form code.
             // So - when we call this code really we can't be sure that will be the end value for the element.
             if (!empty($this->_elements)) {
                 if (!empty($value)) {
                     if ($value < 0) {
                         $this->_elements[1]->setValue('scale');
                         $this->_elements[4]->setValue($value * -1);
                     } else {
                         if ($value > 0) {
                             $this->_elements[1]->setValue('point');
                             $this->_elements[7]->setValue($value);
                         }
                     }
                 } else {
                     $this->_elements[1]->setValue('none');
                     $this->_elements[7]->setValue('');
                 }
             }
             break;
     }
     // Always let the parent do its thing!
     return parent::onQuickFormEvent($event, $arg, $caller);
 }

/**
 * Powerful function that is used by edit and editadvanced to add common form elements/rules/etc.
 *
 * @param moodleform $mform
 * @param array $editoroptions
 * @param array $filemanageroptions
 * @param stdClass $user
 */
function useredit_shared_definition(&$mform, $editoroptions, $filemanageroptions, $user)
{
    global $CFG, $USER, $DB;
    if ($user->id > 0) {
        useredit_load_preferences($user, false);
    }
    $strrequired = get_string('required');
    $stringman = get_string_manager();
    // Add the necessary names.
    foreach (useredit_get_required_name_fields() as $fullname) {
        $mform->addElement('text', $fullname, get_string($fullname), 'maxlength="100" size="30"');
        if ($stringman->string_exists('missing' . $fullname, 'core')) {
            $strmissingfield = get_string('missing' . $fullname, 'core');
        } else {
            $strmissingfield = $strrequired;
        }
        $mform->addRule($fullname, $strmissingfield, 'required', null, 'client');
        $mform->setType($fullname, PARAM_NOTAGS);
    }
    $enabledusernamefields = useredit_get_enabled_name_fields();
    // Add the enabled additional name fields.
    foreach ($enabledusernamefields as $addname) {
        $mform->addElement('text', $addname, get_string($addname), 'maxlength="100" size="30"');
        $mform->setType($addname, PARAM_NOTAGS);
    }
    // Do not show email field if change confirmation is pending.
    if ($user->id > 0 and !empty($CFG->emailchangeconfirmation) and !empty($user->preference_newemail)) {
        $notice = get_string('emailchangepending', 'auth', $user);
        $notice .= '<br /><a href="edit.php?cancelemailchange=1&amp;id=' . $user->id . '">' . get_string('emailchangecancel', 'auth') . '</a>';
        $mform->addElement('static', 'emailpending', get_string('email'), $notice);
    } else {
        $mform->addElement('text', 'email', get_string('email'), 'maxlength="100" size="30"');
        $mform->addRule('email', $strrequired, 'required', null, 'client');
        $mform->setType('email', PARAM_RAW_TRIMMED);
    }
    $choices = array();
    $choices['0'] = get_string('emaildisplayno');
    $choices['1'] = get_string('emaildisplayyes');
    $choices['2'] = get_string('emaildisplaycourse');
    $mform->addElement('select', 'maildisplay', get_string('emaildisplay'), $choices);
    $mform->setDefault('maildisplay', core_user::get_property_default('maildisplay'));
    $mform->addElement('text', 'city', get_string('city'), 'maxlength="120" size="21"');
    $mform->setType('city', PARAM_TEXT);
    if (!empty($CFG->defaultcity)) {
        $mform->setDefault('city', $CFG->defaultcity);
    }
    $choices = get_string_manager()->get_list_of_countries();
    $choices = array('' => get_string('selectacountry') . '...') + $choices;
    $mform->addElement('select', 'country', get_string('selectacountry'), $choices);
    if (!empty($CFG->country)) {
        $mform->setDefault('country', core_user::get_property_default('country'));
    }
    if (isset($CFG->forcetimezone) and $CFG->forcetimezone != 99) {
        $choices = core_date::get_list_of_timezones($CFG->forcetimezone);
        $mform->addElement('static', 'forcedtimezone', get_string('timezone'), $choices[$CFG->forcetimezone]);
        $mform->addElement('hidden', 'timezone');
        $mform->setType('timezone', core_user::get_property_type('timezone'));
    } else {
        $choices = core_date::get_list_of_timezones($user->timezone, true);
        $mform->addElement('select', 'timezone', get_string('timezone'), $choices);
    }
    if (!empty($CFG->allowuserthemes)) {
        $choices = array();
        $choices[''] = get_string('default');
        $themes = get_list_of_themes();
        foreach ($themes as $key => $theme) {
            if (empty($theme->hidefromselector)) {
                $choices[$key] = get_string('pluginname', 'theme_' . $theme->name);
            }
        }
        $mform->addElement('select', 'theme', get_string('preferredtheme'), $choices);
    }
    $mform->addElement('editor', 'description_editor', get_string('userdescription'), null, $editoroptions);
    $mform->setType('description_editor', PARAM_CLEANHTML);
    $mform->addHelpButton('description_editor', 'userdescription');
    if (empty($USER->newadminuser)) {
        $mform->addElement('header', 'moodle_picture', get_string('pictureofuser'));
        $mform->setExpanded('moodle_picture', true);
        if (!empty($CFG->enablegravatar)) {
            $mform->addElement('html', html_writer::tag('p', get_string('gravatarenabled')));
        }
        $mform->addElement('static', 'currentpicture', get_string('currentpicture'));
        $mform->addElement('checkbox', 'deletepicture', get_string('delete'));
        $mform->setDefault('deletepicture', 0);
        $mform->addElement('filemanager', 'imagefile', get_string('newpicture'), '', $filemanageroptions);
        $mform->addHelpButton('imagefile', 'newpicture');
        $mform->addElement('text', 'imagealt', get_string('imagealt'), 'maxlength="100" size="30"');
        $mform->setType('imagealt', PARAM_TEXT);
    }
    // Display user name fields that are not currenlty enabled here if there are any.
    $disabledusernamefields = useredit_get_disabled_name_fields($enabledusernamefields);
    if (count($disabledusernamefields) > 0) {
//.........这里部分代码省略.........

/**
 * Powerful function that is used by edit and editadvanced to add common form elements/rules/etc.
 *
 * @param moodleform $mform
 * @param array|null $editoroptions
 * @param array|null $filemanageroptions
 */
function useredit_shared_definition(&$mform, $editoroptions = null, $filemanageroptions = null)
{
    global $CFG, $USER, $DB;
    $user = $DB->get_record('user', array('id' => $USER->id));
    useredit_load_preferences($user, false);
    $strrequired = get_string('required');
    // Add the necessary names.
    foreach (useredit_get_required_name_fields() as $fullname) {
        $mform->addElement('text', $fullname, get_string($fullname), 'maxlength="100" size="30"');
        $mform->addRule($fullname, $strrequired, 'required', null, 'client');
        $mform->setType($fullname, PARAM_NOTAGS);
    }
    $enabledusernamefields = useredit_get_enabled_name_fields();
    // Add the enabled additional name fields.
    foreach ($enabledusernamefields as $addname) {
        $mform->addElement('text', $addname, get_string($addname), 'maxlength="100" size="30"');
        $mform->setType($addname, PARAM_NOTAGS);
    }
    // Do not show email field if change confirmation is pending.
    if (!empty($CFG->emailchangeconfirmation) and !empty($user->preference_newemail)) {
        $notice = get_string('emailchangepending', 'auth', $user);
        $notice .= '<br /><a href="edit.php?cancelemailchange=1&amp;id=' . $user->id . '">' . get_string('emailchangecancel', 'auth') . '</a>';
        $mform->addElement('static', 'emailpending', get_string('email'), $notice);
    } else {
        $mform->addElement('text', 'email', get_string('email'), 'maxlength="100" size="30"');
        $mform->addRule('email', $strrequired, 'required', null, 'client');
        $mform->setType('email', PARAM_RAW_TRIMMED);
    }
    $mform->addElement('text', 'city', get_string('city'), 'maxlength="120" size="21"');
    $mform->setType('city', PARAM_TEXT);
    if (!empty($CFG->defaultcity)) {
        $mform->setDefault('city', $CFG->defaultcity);
    }
    $choices = get_string_manager()->get_list_of_countries();
    $choices = array('' => get_string('selectacountry') . '...') + $choices;
    $mform->addElement('select', 'country', get_string('selectacountry'), $choices);
    if (!empty($CFG->country)) {
        $mform->setDefault('country', $CFG->country);
    }
    $choices = get_list_of_timezones();
    $choices['99'] = get_string('serverlocaltime');
    if ($CFG->forcetimezone != 99) {
        $mform->addElement('static', 'forcedtimezone', get_string('timezone'), $choices[$CFG->forcetimezone]);
    } else {
        $mform->addElement('select', 'timezone', get_string('timezone'), $choices);
        $mform->setDefault('timezone', '99');
        $mform->addHelpButton('timezone', 'timezone');
    }
    // Multi-Calendar Support - see MDL-18375.
    $calendartypes = \core_calendar\type_factory::get_list_of_calendar_types();
    // We do not want to show this option unless there is more than one calendar type to display.
    if (count($calendartypes) > 1) {
        $mform->addElement('select', 'calendartype', get_string('preferredcalendar', 'calendar'), $calendartypes);
        $mform->setDefault('calendartype', $CFG->calendartype);
    }
    if (!empty($CFG->allowuserthemes)) {
        $choices = array();
        $choices[''] = get_string('default');
        $themes = get_list_of_themes();
        foreach ($themes as $key => $theme) {
            if (empty($theme->hidefromselector)) {
                $choices[$key] = get_string('pluginname', 'theme_' . $theme->name);
            }
        }
        $mform->addElement('select', 'theme', get_string('preferredtheme'), $choices);
    }
    $mform->addElement('editor', 'description_editor', get_string('userdescription'), null, $editoroptions);
    $mform->setType('description_editor', PARAM_CLEANHTML);
    $mform->addHelpButton('description_editor', 'userdescription');
    $mform->addElement('header', 'moodle_userpreferences', get_string('preferences'));
    useredit_shared_definition_preferences($user, $mform, $editoroptions, $filemanageroptions);
    if (empty($USER->newadminuser)) {
        $mform->addElement('header', 'moodle_picture', get_string('pictureofuser'));
        if (!empty($CFG->enablegravatar)) {
            $mform->addElement('html', html_writer::tag('p', get_string('gravatarenabled')));
        }
        $mform->addElement('static', 'currentpicture', get_string('currentpicture'));
        $mform->addElement('checkbox', 'deletepicture', get_string('delete'));
        $mform->setDefault('deletepicture', 0);
        $mform->addElement('filemanager', 'imagefile', get_string('newpicture'), '', $filemanageroptions);
        $mform->addHelpButton('imagefile', 'newpicture');
        $mform->addElement('text', 'imagealt', get_string('imagealt'), 'maxlength="100" size="30"');
        $mform->setType('imagealt', PARAM_TEXT);
    }
    // Display user name fields that are not currenlty enabled here if there are any.
    $disabledusernamefields = useredit_get_disabled_name_fields($enabledusernamefields);
    if (count($disabledusernamefields) > 0) {
        $mform->addElement('header', 'moodle_additional_names', get_string('additionalnames'));
        foreach ($disabledusernamefields as $allname) {
            $mform->addElement('text', $allname, get_string($allname), 'maxlength="100" size="30"');
            $mform->setType($allname, PARAM_NOTAGS);
        }
    }
//.........这里部分代码省略.........

    /**
     * Add Instance settings input to Moodle form
     *
     * @param moodleform $mform
     */
    public static function instance_config_form($mform) {
        $mform->addElement('text', 'equella_url', get_string('equellaurl', 'repository_equella'));
        $mform->setType('equella_url', PARAM_URL);

        $strrequired = get_string('required');
        $mform->addRule('equella_url', $strrequired, 'required', null, 'client');

        $mform->addElement('text', 'equella_options', get_string('equellaoptions', 'repository_equella'));
        $mform->setType('equella_options', PARAM_NOTAGS);

        $choices = array(
            'none' => get_string('restrictionnone', 'repository_equella'),
            'itemonly' => get_string('restrictionitemsonly', 'repository_equella'),
            'attachmentonly' => get_string('restrictionattachmentsonly', 'repository_equella'),
        );
        $mform->addElement('select', 'equella_select_restriction', get_string('selectrestriction', 'repository_equella'), $choices);

        $mform->addElement('header', '',
            get_string('group', 'repository_equella', get_string('groupdefault', 'repository_equella')));
        $mform->addElement('text', 'equella_shareid', get_string('sharedid', 'repository_equella'));
        $mform->setType('equella_shareid', PARAM_RAW);
        $mform->addRule('equella_shareid', $strrequired, 'required', null, 'client');

        $mform->addElement('text', 'equella_sharedsecret', get_string('sharedsecrets', 'repository_equella'));
        $mform->setType('equella_sharedsecret', PARAM_RAW);
        $mform->addRule('equella_sharedsecret', $strrequired, 'required', null, 'client');

        foreach (self::get_all_editing_roles() as $role) {
            $mform->addElement('header', '', get_string('group', 'repository_equella', format_string($role->name)));
            $mform->addElement('text', "equella_{$role->shortname}_shareid", get_string('sharedid', 'repository_equella'));
            $mform->setType("equella_{$role->shortname}_shareid", PARAM_RAW);
            $mform->addElement('text', "equella_{$role->shortname}_sharedsecret",
                get_string('sharedsecrets', 'repository_equella'));
            $mform->setType("equella_{$role->shortname}_sharedsecret", PARAM_RAW);
        }
    }

//.........这里部分代码省略.........
                     }
                 }
                 return true;
             };
             $checkvalidscale = function ($val) {
                 // Closure to validate a scale value. See the note above about scope if this confuses you.
                 // If modgrade_type is empty then use currentgradetype.
                 $gradetype = isset($val['modgrade_type']) ? $val['modgrade_type'] : $this->currentgradetype;
                 if ($gradetype === 'scale') {
                     if (isset($val['modgrade_scale'])) {
                         return $this->validate_scale($val['modgrade_scale']);
                     }
                 }
                 return true;
             };
             $checkrescale = function ($val) {
                 // Nothing is affected by changes to grademax if there are no grades yet.
                 if (!$this->isupdate || !$this->hasgrades || !$this->canrescale) {
                     return true;
                 }
                 // Closure to validate a scale value. See the note above about scope if this confuses you.
                 // If modgrade_type is empty then use currentgradetype.
                 $gradetype = isset($val['modgrade_type']) ? $val['modgrade_type'] : $this->currentgradetype;
                 if ($gradetype === 'point' && isset($val['modgrade_point'])) {
                     // Work out if the value was actually changed in the form.
                     if (grade_floats_different($this->currentgrade, $val['modgrade_point'])) {
                         if (empty($val['modgrade_rescalegrades'])) {
                             // This was an "edit", the grademax was changed and the process existing setting was not set.
                             return false;
                         }
                     }
                 }
                 return true;
             };
             $cantchangegradetype = get_string('modgradecantchangegradetype', 'grades');
             $cantchangemaxgrade = get_string('modgradecantchangeratingmaxgrade', 'grades');
             $maxgradeexceeded = get_string('modgradeerrorbadpoint', 'grades', get_config('core', 'gradepointmax'));
             $invalidscale = get_string('modgradeerrorbadscale', 'grades');
             $cantchangescale = get_string('modgradecantchangescale', 'grades');
             $mustchooserescale = get_string('mustchooserescaleyesorno', 'grades');
             // When creating the rules the sixth arg is $force, we set it to true because otherwise the form
             // will attempt to validate the existence of the element, we don't want this because the element
             // is being created right now and doesn't actually exist as a registered element yet.
             $caller->addRule($name, $cantchangegradetype, 'callback', $checkgradetypechange, 'server', false, true);
             $caller->addRule($name, $cantchangemaxgrade, 'callback', $checkmaxgradechange, 'server', false, true);
             $caller->addRule($name, $maxgradeexceeded, 'callback', $checkmaxgrade, 'server', false, true);
             $caller->addRule($name, $invalidscale, 'callback', $checkvalidscale, 'server', false, true);
             $caller->addRule($name, $cantchangescale, 'callback', $checkscalechange, 'server', false, true);
             $caller->addRule($name, $mustchooserescale, 'callback', $checkrescale, 'server', false, true);
             break;
         case 'updateValue':
             // As this is a group element with no value of its own we are only interested in situations where the
             // default value or a constant value are being provided to the actual element.
             // In this case we expect an int that is going to translate to a scale if negative, or to max points
             // if positive.
             // Set the maximum points field to disabled if the rescale option has not been chosen and there are grades.
             $caller->disabledIf($this->getName() . '[modgrade_point]', $this->getName() . '[modgrade_rescalegrades]', 'eq', '');
             // A constant value should be given as an int.
             // The default value should be an int and be either $CFG->gradepointdefault or whatever was set in set_data().
             $value = $this->_findValue($caller->_constantValues);
             if (null === $value) {
                 if ($caller->isSubmitted() && $this->_findValue($caller->_submitValues) !== null) {
                     // Submitted values are array, one value for each individual element in this group.
                     // When there is submitted data let parent::onQuickFormEvent() process it.
                     break;
                 }
                 $value = $this->_findValue($caller->_defaultValues);
             }
             if (!is_null($value) && !is_scalar($value)) {
                 // Something unexpected (likely an array of subelement values) has been given - this will be dealt
                 // with somewhere else - where exactly... likely the subelements.
                 debugging('An invalid value (type ' . gettype($value) . ') has arrived at ' . __METHOD__, DEBUG_DEVELOPER);
                 break;
             }
             // Set element state for existing data.
             // This is really a pretty hacky thing to do, when data is being set the group element is called
             // with the data first and the subelements called afterwards.
             // This means that the subelements data (inc const and default values) can be overridden by form code.
             // So - when we call this code really we can't be sure that will be the end value for the element.
             if (!empty($this->_elements)) {
                 if (!empty($value)) {
                     if ($value < 0) {
                         $this->gradetypeformelement->setValue('scale');
                         $this->scaleformelement->setValue($value * -1);
                     } else {
                         if ($value > 0) {
                             $this->gradetypeformelement->setValue('point');
                             $this->maxgradeformelement->setValue($value);
                         }
                     }
                 } else {
                     $this->gradetypeformelement->setValue('none');
                     $this->maxgradeformelement->setValue('');
                 }
             }
             break;
     }
     // Always let the parent do its thing!
     return parent::onQuickFormEvent($event, $arg, $caller);
 }

/**
 * Powerful function that is used by edit and editadvanced to add common form elements/rules/etc.
 *
 * @param moodleform $mform
 * @param array|null $editoroptions
 * @param array|null $filemanageroptions
 */
function useredit_shared_definition(&$mform, $editoroptions = null, $filemanageroptions = null)
{
    global $CFG, $USER, $DB;
    $user = $DB->get_record('user', array('id' => $USER->id));
    useredit_load_preferences($user, false);
    $strrequired = get_string('required');
    // Add the necessary names.
    foreach (useredit_get_required_name_fields() as $fullname) {
        $mform->addElement('text', $fullname, get_string($fullname), 'maxlength="100" size="30"');
        $mform->addRule($fullname, $strrequired, 'required', null, 'client');
        $mform->setType($fullname, PARAM_NOTAGS);
    }
    $enabledusernamefields = useredit_get_enabled_name_fields();
    // Add the enabled additional name fields.
    foreach ($enabledusernamefields as $addname) {
        $mform->addElement('text', $addname, get_string($addname), 'maxlength="100" size="30"');
        $mform->setType($addname, PARAM_NOTAGS);
    }
    // Do not show email field if change confirmation is pending.
    if (!empty($CFG->emailchangeconfirmation) and !empty($user->preference_newemail)) {
        $notice = get_string('emailchangepending', 'auth', $user);
        $notice .= '<br /><a href="edit.php?cancelemailchange=1&amp;id=' . $user->id . '">' . get_string('emailchangecancel', 'auth') . '</a>';
        $mform->addElement('static', 'emailpending', get_string('email'), $notice);
    } else {
        $mform->addElement('text', 'email', get_string('email'), 'maxlength="100" size="30"');
        $mform->addRule('email', $strrequired, 'required', null, 'client');
        $mform->setType('email', PARAM_EMAIL);
    }
    $choices = array();
    $choices['0'] = get_string('emaildisplayno');
    $choices['1'] = get_string('emaildisplayyes');
    $choices['2'] = get_string('emaildisplaycourse');
    $mform->addElement('select', 'maildisplay', get_string('emaildisplay'), $choices);
    $mform->setDefault('maildisplay', 2);
    $choices = array();
    $choices['0'] = get_string('textformat');
    $choices['1'] = get_string('htmlformat');
    // $mform->addElement('select', 'mailformat', get_string('emailformat'), $choices);
    //$mform->setDefault('mailformat', 1);
    if (!empty($CFG->allowusermailcharset)) {
        $choices = array();
        $charsets = get_list_of_charsets();
        if (!empty($CFG->sitemailcharset)) {
            $choices['0'] = get_string('site') . ' (' . $CFG->sitemailcharset . ')';
        } else {
            $choices['0'] = get_string('site') . ' (UTF-8)';
        }
        $choices = array_merge($choices, $charsets);
        $mform->addElement('select', 'preference_mailcharset', get_string('emailcharset'), $choices);
    }
    /* $choices = array();
        $choices['0'] = get_string('emaildigestoff');
        $choices['1'] = get_string('emaildigestcomplete');
        $choices['2'] = get_string('emaildigestsubjects');
        $mform->addElement('select', 'maildigest', get_string('emaildigest'), $choices);
        $mform->setDefault('maildigest', 0);
        $mform->addHelpButton('maildigest', 'emaildigest');
    
       $choices = array();
        $choices['1'] = get_string('autosubscribeyes');
        $choices['0'] = get_string('autosubscribeno');
        $mform->addElement('select', 'autosubscribe', get_string('autosubscribe'), $choices);
        $mform->setDefault('autosubscribe', 1);
    
        if (!empty($CFG->forum_trackreadposts)) {
            $choices = array();
            $choices['0'] = get_string('trackforumsno');
            $choices['1'] = get_string('trackforumsyes');
            $mform->addElement('select', 'trackforums', get_string('trackforums'), $choices);
            $mform->setDefault('trackforums', 0);
        }
    
        $editors = editors_get_enabled();
        if (count($editors) > 1) {
            $choices = array('' => get_string('defaulteditor'));
            $firsteditor = '';
            foreach (array_keys($editors) as $editor) {
                if (!$firsteditor) {
                    $firsteditor = $editor;
                }
                $choices[$editor] = get_string('pluginname', 'editor_' . $editor);
            }
            $mform->addElement('select', 'preference_htmleditor', get_string('textediting'), $choices);
            $mform->setDefault('preference_htmleditor', '');
        } else {
            // Empty string means use the first chosen text editor.
            $mform->addElement('hidden', 'preference_htmleditor');
            $mform->setDefault('preference_htmleditor', '');
            $mform->setType('preference_htmleditor', PARAM_PLUGIN);
        }
    
        $mform->addElement('text', 'city', get_string('city'), 'maxlength="120" size="21"');
        $mform->setType('city', PARAM_TEXT);
//.........这里部分代码省略.........