setting = $setting; } public function startFrom(){ $setting = $this->setting; $output_sound_device = new Zend_Form_Element_Checkbox('output_sound_device'); $output_sound_device->setLabel('Enabled') ->setRequired(false) ->setValue(($setting['output_sound_device'] == "true")?1:0) ->setDecorators(array('ViewHelper')); if(Application_Model_Preference::GetDisableStreamConf() == "true"){ $output_sound_device->setAttrib("readonly", true); } $this->addElement($output_sound_device); } public function isValid($data){ $this->populate(array("output_sound_device"=>$data)); return true; } }