Add tags for undo edits

[lhc/web/wiklou.git] / includes / changetags / ChangeTags.php

diff --git a/includes/changetags/ChangeTags.php b/includes/changetags/ChangeTags.php
index fa98124..db1f599 100644 (file)
--- a/includes/changetags/ChangeTags.php
+++ b/includes/changetags/ChangeTags.php
@@ -32,10 +32,45 @@ class ChangeTags {
         */
        const MAX_DELETE_USES = 5000;
 
+       private static $definedSoftwareTags = [
+               'mw-contentmodelchange',
+               'mw-new-redirect',
+               'mw-removed-redirect',
+               'mw-changed-redirect-target',
+               'mw-blank',
+               'mw-replace',
+               'mw-rollback',
+               'mw-undo',
+       ];
+
        /**
-        * @var string[]
+        * Loads defined core tags, checks for invalid types (if not array),
+        * and filters for supported and enabled (if $all is false) tags only.
+        *
+        * @param bool $all If true, return all valid defined tags. Otherwise, return only enabled ones.
+        * @return array Array of all defined/enabled tags.
         */
-       private static $coreTags = [ 'mw-contentmodelchange' ];
+       public static function getSoftwareTags( $all = false ) {
+               global $wgSoftwareTags;
+               $softwareTags = [];
+
+               if ( !is_array( $wgSoftwareTags ) ) {
+                       wfWarn( 'wgSoftwareTags should be associative array of enabled tags.
+                       Please refer to documentation for the list of tags you can enable' );
+                       return $softwareTags;
+               }
+
+               $availableSoftwareTags = !$all ?
+                       array_keys( array_filter( $wgSoftwareTags ) ) :
+                       array_keys( $wgSoftwareTags );
+
+               $softwareTags = array_intersect(
+                       $availableSoftwareTags,
+                       self::$definedSoftwareTags
+               );
+
+               return $softwareTags;
+       }
 
        /**
         * Creates HTML for the given tags
@@ -1210,7 +1245,7 @@ class ChangeTags {
         */
        public static function listSoftwareActivatedTags() {
                // core active tags
-               $tags = self::$coreTags;
+               $tags = self::getSoftwareTags();
                if ( !Hooks::isRegistered( 'ChangeTagsListActive' ) ) {
                        return $tags;
                }
@@ -1301,7 +1336,7 @@ class ChangeTags {
         */
        public static function listSoftwareDefinedTags() {
                // core defined tags
-               $tags = self::$coreTags;
+               $tags = self::getSoftwareTags( true );
                if ( !Hooks::isRegistered( 'ListDefinedTags' ) ) {
                        return $tags;
                }