1 files changed, 133 insertions, 0 deletions
diff --git a/vendor/oojs/oojs-ui/php/mixins/FlaggedElement.php b/vendor/oojs/oojs-ui/php/mixins/FlaggedElement.php
new file mode 100644
index 00000000..bd5dc80d
--- /dev/null
+++ b/vendor/oojs/oojs-ui/php/mixins/FlaggedElement.php
@@ -0,0 +1,133 @@
+<?php
+
+namespace OOUI;
+
+/**
+ * Element with named flags that can be added, removed, listed and checked.
+ *
+ * A flag, when set, adds a CSS class on the `$element` by combining `oo-ui-flaggedElement-` with
+ * the flag name. Flags are primarily useful for styling.
+ *
+ * @abstract
+ */
+class FlaggedElement extends ElementMixin {
+	/**
+	 * Flags.
+	 *
+	 * @var string
+	 */
+	protected $flags = array();
+
+	public static $targetPropertyName = 'flagged';
+
+	/**
+	 * @param Element $element Element being mixed into
+	 * @param array $config Configuration options
+	 * @param string|string[] $config['flags'] Flags describing importance and functionality, e.g.
+	 *   'primary', 'safe', 'progressive', 'destructive' or 'constructive'
+	 */
+	public function __construct( Element $element, array $config = array() ) {
+		// Parent constructor
+		$target = isset( $config['flagged'] ) ? $config['flagged'] : $element;
+		parent::__construct( $element, $target, $config );
+
+		// Initialization
+		$this->setFlags( isset( $config['flags'] ) ? $config['flags'] : null );
+	}
+
+	/**
+	 * Check if a flag is set.
+	 *
+	 * @param string $flag Name of flag
+	 * @return boolean Has flag
+	 */
+	public function hasFlag( $flag ) {
+		return isset( $this->flags[$flag] );
+	}
+
+	/**
+	 * Get the names of all flags set.
+	 *
+	 * @return string[] Flag names
+	 */
+	public function getFlags() {
+		return array_keys( $this->flags );
+	}
+
+	/**
+	 * Clear all flags.
+	 *
+	 * @chainable
+	 */
+	public function clearFlags() {
+		$remove = array();
+		$classPrefix = 'oo-ui-flaggedElement-';
+
+		foreach ( $this->flags as $flag ) {
+			$remove[] = $classPrefix . $flag;
+		}
+
+		$this->target->removeClasses( $remove );
+		$this->flags = array();
+
+		return $this;
+	}
+
+	/**
+	 * Add one or more flags.
+	 *
+	 * @param string|array $flags One or more flags to add, or an array keyed by flag name
+	 *   containing boolean set/remove instructions.
+	 * @chainable
+	 */
+	public function setFlags( $flags ) {
+		$add = array();
+		$remove = array();
+		$classPrefix = 'oo-ui-flaggedElement-';
+
+		if ( is_string( $flags ) ) {
+			// Set
+			if ( !isset( $this->flags[$flags] ) ) {
+				$this->flags[$flags] = true;
+				$add[] = $classPrefix . $flags;
+			}
+		} elseif ( is_array( $flags ) ) {
+			foreach ( $flags as $key => $value ) {
+				if ( is_numeric( $key ) ) {
+					// Set
+					if ( !isset( $this->flags[$value] ) ) {
+						$this->flags[$value] = true;
+						$add[] = $classPrefix . $value;
+					}
+				} else {
+					if ( $value ) {
+						// Set
+						if ( !isset( $this->flags[$key] ) ) {
+							$this->flags[$key] = true;
+							$add[] = $classPrefix . $key;
+						}
+					} else {
+						// Remove
+						if ( isset( $this->flags[$key] ) ) {
+							unset( $this->flags[$key] );
+							$remove[] = $classPrefix . $key;
+						}
+					}
+				}
+			}
+		}
+
+		$this->target
+			->addClasses( $add )
+			->removeClasses( $remove );
+
+		return $this;
+	}
+
+	public function getConfig( &$config ) {
+		if ( !empty( $this->flags ) ) {
+			$config['flags'] = $this->getFlags();
+		}
+		return parent::getConfig( $config );
+	}
+}