1 files changed, 83 insertions, 0 deletions
diff --git a/includes/htmlform/HTMLSelectOrOtherField.php b/includes/htmlform/HTMLSelectOrOtherField.php
new file mode 100644
index 00000000..cbf7d122
--- /dev/null
+++ b/includes/htmlform/HTMLSelectOrOtherField.php
@@ -0,0 +1,83 @@
+<?php
+
+/**
+ * Select dropdown field, with an additional "other" textbox.
+ */
+class HTMLSelectOrOtherField extends HTMLTextField {
+	function __construct( $params ) {
+		parent::__construct( $params );
+		$this->getOptions();
+		if ( !in_array( 'other', $this->mOptions, true ) ) {
+			$msg =
+				isset( $params['other'] )
+					? $params['other']
+					: wfMessage( 'htmlform-selectorother-other' )->text();
+			// Have 'other' always as first element
+			$this->mOptions = array( $msg => 'other' ) + $this->mOptions;
+		}
+
+	}
+
+	function getInputHTML( $value ) {
+		$valInSelect = false;
+
+		if ( $value !== false ) {
+			$value = strval( $value );
+			$valInSelect = in_array(
+				$value, HTMLFormField::flattenOptions( $this->getOptions() ), true
+			);
+		}
+
+		$selected = $valInSelect ? $value : 'other';
+
+		$select = new XmlSelect( $this->mName, $this->mID, $selected );
+		$select->addOptions( $this->getOptions() );
+
+		$select->setAttribute( 'class', 'mw-htmlform-select-or-other' );
+
+		$tbAttribs = array( 'id' => $this->mID . '-other', 'size' => $this->getSize() );
+
+		if ( !empty( $this->mParams['disabled'] ) ) {
+			$select->setAttribute( 'disabled', 'disabled' );
+			$tbAttribs['disabled'] = 'disabled';
+		}
+
+		if ( isset( $this->mParams['tabindex'] ) ) {
+			$select->setAttribute( 'tabindex', $this->mParams['tabindex'] );
+			$tbAttribs['tabindex'] = $this->mParams['tabindex'];
+		}
+
+		$select = $select->getHTML();
+
+		if ( isset( $this->mParams['maxlength'] ) ) {
+			$tbAttribs['maxlength'] = $this->mParams['maxlength'];
+		}
+
+		if ( $this->mClass !== '' ) {
+			$tbAttribs['class'] = $this->mClass;
+		}
+
+		$textbox = Html::input( $this->mName . '-other', $valInSelect ? '' : $value, 'text', $tbAttribs );
+
+		return "$select<br />\n$textbox";
+	}
+
+	/**
+	 * @param WebRequest $request
+	 *
+	 * @return string
+	 */
+	function loadDataFromRequest( $request ) {
+		if ( $request->getCheck( $this->mName ) ) {
+			$val = $request->getText( $this->mName );
+
+			if ( $val === 'other' ) {
+				$val = $request->getText( $this->mName . '-other' );
+			}
+
+			return $val;
+		} else {
+			return $this->getDefault();
+		}
+	}
+}