1 files changed, 89 insertions, 0 deletions
diff --git a/www/wiki/includes/changes/ChangesListBooleanFilterGroup.php b/www/wiki/includes/changes/ChangesListBooleanFilterGroup.php
new file mode 100644
index 00000000..4401378b
--- /dev/null
+++ b/www/wiki/includes/changes/ChangesListBooleanFilterGroup.php
@@ -0,0 +1,89 @@
+<?php
+
+use Wikimedia\Rdbms\IDatabase;
+
+/**
+ * If the group is active, any unchecked filters will
+ * translate to hide parameters in the URL.  E.g. if 'Human (not bot)' is checked,
+ * but 'Bot' is unchecked, hidebots=1 will be sent.
+ *
+ * @since 1.29
+ */
+class ChangesListBooleanFilterGroup extends ChangesListFilterGroup {
+	/**
+	 * Type marker, used by JavaScript
+	 */
+	const TYPE = 'send_unselected_if_any';
+
+	/**
+	 * Create a new filter group with the specified configuration
+	 *
+	 * @param array $groupDefinition Configuration of group
+	 * * $groupDefinition['name'] string Group name
+	 * * $groupDefinition['title'] string i18n key for title (optional, can be omitted
+	 *     only if none of the filters in the group display in the structured UI)
+	 * * $groupDefinition['priority'] int Priority integer.  Higher means higher in the
+	 *     group list.
+	 * * $groupDefinition['filters'] array Numeric array of filter definitions, each of which
+	 *     is an associative array to be passed to the filter constructor.  However,
+	 *    'priority' is optional for the filters.  Any filter that has priority unset
+	 *     will be put to the bottom, in the order given.
+	 * * $groupDefinition['whatsThisHeader'] string i18n key for header of "What's
+	 *     This" popup (optional).
+	 * * $groupDefinition['whatsThisBody'] string i18n key for body of "What's This"
+	 *     popup (optional).
+	 * * $groupDefinition['whatsThisUrl'] string URL for main link of "What's This"
+	 *     popup (optional).
+	 * * $groupDefinition['whatsThisLinkText'] string i18n key of text for main link of
+	 *     "What's This" popup (optional).
+	 */
+	public function __construct( array $groupDefinition ) {
+		$groupDefinition['isFullCoverage'] = true;
+		$groupDefinition['type'] = self::TYPE;
+
+		parent::__construct( $groupDefinition );
+	}
+
+	/**
+	 * @inheritDoc
+	 */
+	protected function createFilter( array $filterDefinition ) {
+		return new ChangesListBooleanFilter( $filterDefinition );
+	}
+
+	/**
+	 * Registers a filter in this group
+	 *
+	 * @param ChangesListBooleanFilter $filter
+	 */
+	public function registerFilter( ChangesListBooleanFilter $filter ) {
+		$this->filters[$filter->getName()] = $filter;
+	}
+
+	/**
+	 * @inheritDoc
+	 */
+	public function modifyQuery( IDatabase $dbr, ChangesListSpecialPage $specialPage,
+		&$tables, &$fields, &$conds, &$query_options, &$join_conds,
+		FormOptions $opts, $isStructuredFiltersEnabled
+	) {
+		/** @var ChangesListBooleanFilter $filter */
+		foreach ( $this->getFilters() as $filter ) {
+			if ( $filter->isActive( $opts, $isStructuredFiltersEnabled ) ) {
+				$filter->modifyQuery( $dbr, $specialPage, $tables, $fields, $conds,
+					$query_options, $join_conds );
+			}
+		}
+	}
+
+	/**
+	 * @inheritDoc
+	 */
+	public function addOptions( FormOptions $opts, $allowDefaults, $isStructuredFiltersEnabled ) {
+		/** @var ChangesListBooleanFilter $filter */
+		foreach ( $this->getFilters() as $filter ) {
+			$defaultValue = $allowDefaults ? $filter->getDefault( $isStructuredFiltersEnabled ) : false;
+			$opts->add( $filter->getName(), $defaultValue );
+		}
+	}
+}