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<?php
namespace OOUI;
/**
* Multiple radio buttons input widget. Intended to be used within a OO.ui.FormLayout.
*/
class RadioSelectInputWidget extends InputWidget {
/* Static Properties */
public static $supportsSimpleLabel = false;
/* Properties */
/**
* @var string|null
*/
protected $name = null;
/**
* @var FieldLayout[]
*/
protected $fields = array();
/**
* @param array $config Configuration options
* @param array[] $config['options'] Array of menu options in the format
* `array( 'data' => …, 'label' => … )`
*/
public function __construct( array $config = array() ) {
// Parent constructor
parent::__construct( $config );
if ( isset( $config['name'] ) ) {
$this->name = $config['name'];
}
// Initialization
$this->setOptions( isset( $config['options'] ) ? $config['options'] : array() );
$this->addClasses( array( 'oo-ui-radioSelectInputWidget' ) );
}
protected function getInputElement( $config ) {
// Actually unused
return new Tag( 'div' );
}
public function setValue( $value ) {
$this->value = $this->cleanUpValue( $value );
foreach ( $this->fields as &$field ) {
$field->getField()->setSelected( $field->getField()->getValue() === $this->value );
}
return $this;
}
/**
* Set the options available for this input.
*
* @param array[] $options Array of menu options in the format
* `array( 'data' => …, 'label' => … )`
* @chainable
*/
public function setOptions( $options ) {
$value = $this->getValue();
$isValueAvailable = false;
$this->fields = array();
// Rebuild the radio buttons
$this->clearContent();
// Need a unique name, otherwise more than one radio will be selectable
$name = $this->name ?: 'oo-ui-radioSelectInputWidget' . mt_rand();
foreach ( $options as $opt ) {
$optValue = $this->cleanUpValue( $opt['data'] );
$field = new FieldLayout(
new RadioInputWidget( array(
'name' => $name,
'value' => $optValue,
'disabled' => $this->isDisabled(),
) ),
array(
'label' => isset( $opt['label'] ) ? $opt['label'] : $optValue,
'align' => 'inline',
)
);
if ( $value === $optValue ) {
$isValueAvailable = true;
}
$this->fields[] = $field;
$this->appendContent( $field );
}
// Restore the previous value, or reset to something sensible
if ( $isValueAvailable ) {
// Previous value is still available
$this->setValue( $value );
} else {
// No longer valid, reset
if ( count( $options ) ) {
$this->setValue( $options[0]['data'] );
}
}
return $this;
}
public function setDisabled( $state ) {
parent::setDisabled( $state );
foreach ( $this->fields as $field ) {
$field->getField()->setDisabled( $this->isDisabled() );
}
return $this;
}
public function getConfig( &$config ) {
$o = array();
foreach ( $this->fields as $field ) {
$label = $field->getLabel();
$data = $field->getField()->getValue();
$o[] = array( 'data' => $data, 'label' => $label );
}
$config['options'] = $o;
return parent::getConfig( $config );
}
}
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