1 files changed, 37 insertions, 0 deletions
diff --git a/www/wiki/includes/specials/formfields/EditWatchlistCheckboxSeriesField.php b/www/wiki/includes/specials/formfields/EditWatchlistCheckboxSeriesField.php
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+++ b/www/wiki/includes/specials/formfields/EditWatchlistCheckboxSeriesField.php
@@ -0,0 +1,37 @@
+<?php
+/**
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * http://www.gnu.org/copyleft/gpl.html
+ *
+ * @file
+ */
+
+class EditWatchlistCheckboxSeriesField extends HTMLMultiSelectField {
+	/**
+	 * HTMLMultiSelectField throws validation errors if we get input data
+	 * that doesn't match the data set in the form setup. This causes
+	 * problems if something gets removed from the watchlist while the
+	 * form is open (T34126), but we know that invalid items will
+	 * be harmless so we can override it here.
+	 *
+	 * @param string $value The value the field was submitted with
+	 * @param array $alldata The data collected from the form
+	 * @return bool|string Bool true on success, or String error to display.
+	 */
+	function validate( $value, $alldata ) {
+		// Need to call into grandparent to be a good citizen. :)
+		return HTMLFormField::validate( $value, $alldata );
+	}
+}