1 files changed, 91 insertions, 0 deletions
diff --git a/includes/htmlform/HTMLCheckField.php b/includes/htmlform/HTMLCheckField.php
new file mode 100644
index 00000000..5f70362a
--- /dev/null
+++ b/includes/htmlform/HTMLCheckField.php
@@ -0,0 +1,91 @@
+<?php
+
+/**
+ * A checkbox field
+ */
+class HTMLCheckField extends HTMLFormField {
+	function getInputHTML( $value ) {
+		global $wgUseMediaWikiUIEverywhere;
+
+		if ( !empty( $this->mParams['invert'] ) ) {
+			$value = !$value;
+		}
+
+		$attr = $this->getTooltipAndAccessKey();
+		$attr['id'] = $this->mID;
+
+		$attr += $this->getAttributes( array( 'disabled', 'tabindex' ) );
+
+		if ( $this->mClass !== '' ) {
+			$attr['class'] = $this->mClass;
+		}
+
+		if ( $this->mParent->isVForm() ) {
+			// Nest checkbox inside label.
+			return Html::rawElement( 'label',
+				array(
+					'class' => 'mw-ui-checkbox-label'
+				),
+				Xml::check( $this->mName, $value, $attr ) . $this->mLabel );
+		} else {
+			$chkLabel = Xml::check( $this->mName, $value, $attr )
+			. '&#160;'
+			. Html::rawElement( 'label', array( 'for' => $this->mID ), $this->mLabel );
+
+			if ( $wgUseMediaWikiUIEverywhere ) {
+				$chkLabel = Html::rawElement(
+					'div',
+					array( 'class' => 'mw-ui-checkbox' ),
+					$chkLabel
+				);
+			}
+
+			return $chkLabel;
+		}
+	}
+
+	/**
+	 * For a checkbox, the label goes on the right hand side, and is
+	 * added in getInputHTML(), rather than HTMLFormField::getRow()
+	 * @return string
+	 */
+	function getLabel() {
+		return '&#160;';
+	}
+
+	/**
+	 * checkboxes don't need a label.
+	 * @return bool
+	 */
+	protected function needsLabel() {
+		return false;
+	}
+
+	/**
+	 * @param WebRequest $request
+	 *
+	 * @return string
+	 */
+	function loadDataFromRequest( $request ) {
+		$invert = false;
+		if ( isset( $this->mParams['invert'] ) && $this->mParams['invert'] ) {
+			$invert = true;
+		}
+
+		// GetCheck won't work like we want for checks.
+		// Fetch the value in either one of the two following case:
+		// - we have a valid token (form got posted or GET forged by the user)
+		// - checkbox name has a value (false or true), ie is not null
+		if ( $request->getCheck( 'wpEditToken' ) || $request->getVal( $this->mName ) !== null ) {
+			// XOR has the following truth table, which is what we want
+			// INVERT VALUE | OUTPUT
+			// true   true  | false
+			// false  true  | true
+			// false  false | false
+			// true   false | true
+			return $request->getBool( $this->mName ) xor $invert;
+		} else {
+			return $this->getDefault();
+		}
+	}
+}