1 files changed, 65 insertions, 0 deletions
diff --git a/www/wiki/includes/htmlform/HTMLFormElement.php b/www/wiki/includes/htmlform/HTMLFormElement.php
new file mode 100644
index 00000000..2830b9c2
--- /dev/null
+++ b/www/wiki/includes/htmlform/HTMLFormElement.php
@@ -0,0 +1,65 @@
+<?php
+
+/**
+ * Allows custom data specific to HTMLFormField to be set for OOUI forms. A matching JS widget
+ * (defined in htmlform.Element.js) picks up the extra config when constructed using OO.ui.infuse().
+ *
+ * Currently only supports passing 'hide-if' data.
+ */
+trait HTMLFormElement {
+
+	protected $hideIf = null;
+	protected $modules = null;
+
+	public function initializeHTMLFormElement( array $config = [] ) {
+		// Properties
+		$this->hideIf = isset( $config['hideIf'] ) ? $config['hideIf'] : null;
+		$this->modules = isset( $config['modules'] ) ? $config['modules'] : [];
+
+		// Initialization
+		if ( $this->hideIf ) {
+			$this->addClasses( [ 'mw-htmlform-hide-if' ] );
+		}
+		if ( $this->modules ) {
+			// JS code must be able to read this before infusing (before OOUI is even loaded),
+			// so we put this in a separate attribute (not with the rest of the config).
+			// And it's not needed anymore after infusing, so we don't put it in JS config at all.
+			$this->setAttributes( [ 'data-mw-modules' => implode( ',', $this->modules ) ] );
+		}
+		$this->registerConfigCallback( function ( &$config ) {
+			if ( $this->hideIf !== null ) {
+				$config['hideIf'] = $this->hideIf;
+			}
+		} );
+	}
+}
+
+class HTMLFormFieldLayout extends OOUI\FieldLayout {
+	use HTMLFormElement;
+
+	public function __construct( $fieldWidget, array $config = [] ) {
+		parent::__construct( $fieldWidget, $config );
+
+		// Traits
+		$this->initializeHTMLFormElement( $config );
+	}
+
+	protected function getJavaScriptClassName() {
+		return 'mw.htmlform.FieldLayout';
+	}
+}
+
+class HTMLFormActionFieldLayout extends OOUI\ActionFieldLayout {
+	use HTMLFormElement;
+
+	public function __construct( $fieldWidget, $buttonWidget = false, array $config = [] ) {
+		parent::__construct( $fieldWidget, $buttonWidget, $config );
+
+		// Traits
+		$this->initializeHTMLFormElement( $config );
+	}
+
+	protected function getJavaScriptClassName() {
+		return 'mw.htmlform.ActionFieldLayout';
+	}
+}