Backend\Modules\Location\Actions\Settings::validateForm PHP Method

    private function validateForm()
    {
        if ($this->frm->isSubmitted()) {
            $this->frm->cleanupFields();
            if ($this->frm->isCorrect()) {
                // set the base values
                $width = (int) $this->frm->getField('width_widget')->getValue();
                $height = (int) $this->frm->getField('height_widget')->getValue();
                if ($width > 800) {
                    $width = 800;
                } elseif ($width < 300) {
                    $width = $this->get('fork.settings')->get('Location', 'width_widget');
                }
                if ($height < 150) {
                    $height = $this->get('fork.settings')->get('Location', 'height_widget');
                }
                // set our settings (widgets)
                $this->get('fork.settings')->set($this->URL->getModule(), 'zoom_level_widget', (string) $this->frm->getField('zoom_level_widget')->getValue());
                $this->get('fork.settings')->set($this->URL->getModule(), 'width_widget', $width);
                $this->get('fork.settings')->set($this->URL->getModule(), 'height_widget', $height);
                $this->get('fork.settings')->set($this->URL->getModule(), 'map_type_widget', (string) $this->frm->getField('map_type_widget')->getValue());
                // trigger event
                BackendModel::triggerEvent($this->getModule(), 'after_saved_settings');
                // redirect to the settings page
                $this->redirect(BackendModel::createURLForAction('Settings') . '&report=saved');
            }
        }
    }