1 files changed, 71 insertions, 0 deletions
diff --git a/includes/htmlform/HTMLRadioField.php b/includes/htmlform/HTMLRadioField.php
new file mode 100644
index 00000000..8765407b
--- /dev/null
+++ b/includes/htmlform/HTMLRadioField.php
@@ -0,0 +1,71 @@
+<?php
+
+/**
+ * Radio checkbox fields.
+ */
+class HTMLRadioField extends HTMLFormField {
+	function validate( $value, $alldata ) {
+		$p = parent::validate( $value, $alldata );
+
+		if ( $p !== true ) {
+			return $p;
+		}
+
+		if ( !is_string( $value ) && !is_int( $value ) ) {
+			return false;
+		}
+
+		$validOptions = HTMLFormField::flattenOptions( $this->getOptions() );
+
+		if ( in_array( strval( $value ), $validOptions, true ) ) {
+			return true;
+		} else {
+			return $this->msg( 'htmlform-select-badoption' )->parse();
+		}
+	}
+
+	/**
+	 * This returns a block of all the radio options, in one cell.
+	 * @see includes/HTMLFormField#getInputHTML()
+	 *
+	 * @param string $value
+	 *
+	 * @return string
+	 */
+	function getInputHTML( $value ) {
+		$html = $this->formatOptions( $this->getOptions(), strval( $value ) );
+
+		return $html;
+	}
+
+	function formatOptions( $options, $value ) {
+		$html = '';
+
+		$attribs = $this->getAttributes( array( 'disabled', 'tabindex' ) );
+		$elementFunc = array( 'Html', $this->mOptionsLabelsNotFromMessage ? 'rawElement' : 'element' );
+
+		# @todo Should this produce an unordered list perhaps?
+		foreach ( $options as $label => $info ) {
+			if ( is_array( $info ) ) {
+				$html .= Html::rawElement( 'h1', array(), $label ) . "\n";
+				$html .= $this->formatOptions( $info, $value );
+			} else {
+				$id = Sanitizer::escapeId( $this->mID . "-$info" );
+				$radio = Xml::radio( $this->mName, $info, $info === $value, $attribs + array( 'id' => $id ) );
+				$radio .= '&#160;' . call_user_func( $elementFunc, 'label', array( 'for' => $id ), $label );
+
+				$html .= ' ' . Html::rawElement(
+					'div',
+					array( 'class' => 'mw-htmlform-flatlist-item' ),
+					$radio
+				);
+			}
+		}
+
+		return $html;
+	}
+
+	protected function needsLabel() {
+		return false;
+	}
+}