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path: root/app/php/controls/TimezoneSelect.php
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<?php

Prado::using('Application.user.DbUser');
Prado::using('Application.dto.TimezoneDTO');

class TimezoneSelect extends TTemplateControl {

    public function getUserToChange() {
        return $this->getControlState('user');
    }

    public function setUserToChange(DbUser $user) {
        if ($user->IsGuest) {
            throw new TInvalidDataValueException(
                'Timezone preference change impossible for guest user'
            );
        }
        $this->setControlState('user', $user);
    }

    public function onPreRender($param) {
        parent::onPreRender($param);
        $this->Timezones->DataSource = $this->_getTimezones();
        $this->Timezones->DataValueField = 'Name';
        $this->Timezones->DataTextField = 'Label';
        $this->Timezones->dataBind();
        $this->Timezones->setSelectedValue(
            $this->UserToChange->getTimezonePreference()->Name
        );
    }

    public function saveTimezone($sender, $param) {
        $this->UserToChange->setTimezonePreference($this->Timezones->SelectedValue);
    }

    private function _getTimezones() {
        $timezones = array_map(
            function($tz) {
                return new TimezoneDTO($tz);
            },
            DateTimeZone::listIdentifiers()
        );
        usort($timezones, ['TimezoneDTO', '__compare']);
        return $timezones;
    }

}

?>