sintonia/airtime_mvc/application/forms/StreamSetting.php

<?php

class Application_Form_StreamSetting extends Zend_Form
{
    private $setting;

    public function init()
    {

    }

    public function setSetting($setting){
        $this->setting = $setting;
    }

    public function startFrom() {
        $setting = $this->setting;
        if(Application_Model_Preference::GetPlanLevel() == 'disabled'){
            $output_sound_device = new Zend_Form_Element_Checkbox('output_sound_device');
            $output_sound_device->setLabel('Hardware Audio Output')
                                ->setRequired(false)
                                ->setValue(($setting['output_sound_device'] == "true")?1:0)
                                ->setDecorators(array('ViewHelper'));
            if (Application_Model_Preference::GetEnableStreamConf() == "false"){
                $output_sound_device->setAttrib("readonly", true);
            }
            $this->addElement($output_sound_device);

            $output_types = array("ALSA"=>"ALSA", "AO"=>"AO", "OSS"=>"OSS", "Portaudio"=>"Portaudio", "Pulseaudio"=>"Pulseaudio");
            $output_type = new Zend_Form_Element_Select('output_sound_device_type');
            $output_type->setLabel("Output Type")
                    ->setMultiOptions($output_types)
                    ->setValue($setting['output_sound_device_type'])
                    ->setDecorators(array('ViewHelper'));
            if($setting['output_sound_device'] != "true"){
                $output_type->setAttrib("disabled", "disabled");
            }
            $this->addElement($output_type);
        }

        $icecast_vorbis_metadata = new Zend_Form_Element_Checkbox('icecast_vorbis_metadata');
        $icecast_vorbis_metadata->setLabel('Icecast Vorbis Metadata')
                                ->setRequired(false)
                                ->setValue(($setting['icecast_vorbis_metadata'] == "true")?1:0)
                                ->setDecorators(array('ViewHelper'));
        if (Application_Model_Preference::GetEnableStreamConf() == "false"){
            $icecast_vorbis_metadata->setAttrib("readonly", true);
        }
        $this->addElement($icecast_vorbis_metadata);

        $stream_format = new Zend_Form_Element_Radio('streamFormat');
        $stream_format->setLabel('Stream Label:');
        $stream_format->setMultiOptions(array("Artist - Title",
                                            "Show - Artist - Title",
                                            "Station name - Show name"));
        $stream_format->setValue(Application_Model_Preference::GetStreamLabelFormat());
        $stream_format->setDecorators(array('ViewHelper'));
        $this->addElement($stream_format);
    }

    public function isValid($data){
        if(isset($data['output_sound_device'])){
            $d = array();
            $d["output_sound_device"] = $data['output_sound_device'];
            $d["icecast_vorbis_metadata"] = $data['icecast_vorbis_metadata'];
            if(isset($data['output_sound_device_type'])){
                $d["output_sound_device_type"] = $data['output_sound_device_type'];
            }
            $d["streamFormat"] = $data['streamFormat'];
            $this->populate($d);
        }
        $isValid = parent::isValid($data);
        return $isValid;
    }
}