From c533b5beebbf0131be1af5f7a4d3ce3e72ec4c96 Mon Sep 17 00:00:00 2001
From: Dorian Merz <merz@ub.uni-leipzig.de>
Date: Fri, 17 Jul 2020 10:00:57 +0200
Subject: [PATCH] refs #17063 [master] sort hierarchy children naturally
---
.../TreeDataFormatter/NoCollections.php | 25 +++++++++++++++++++
1 file changed, 25 insertions(+)
diff --git a/module/finc/src/finc/Hierarchy/TreeDataFormatter/NoCollections.php b/module/finc/src/finc/Hierarchy/TreeDataFormatter/NoCollections.php
index 5d1fbf8a353..f3a54bc1421 100644
--- a/module/finc/src/finc/Hierarchy/TreeDataFormatter/NoCollections.php
+++ b/module/finc/src/finc/Hierarchy/TreeDataFormatter/NoCollections.php
@@ -64,4 +64,29 @@ class NoCollections extends \VuFind\Hierarchy\TreeDataFormatter\Json
}
return parent::pickTitle($record, $parentID);
}
+
+
+ /**
+ * Sort Nodes
+ * Convert an unsorted array of [ key, value ] pairs into a sorted array
+ * of values.
+ *
+ * @param array $array The array of arrays to sort
+ *
+ * @return array
+ */
+ protected function sortNodes($array)
+ {
+ // Sort arrays based on first element
+ $sorter = function ($a, $b) {
+ return strnatcmp($a[0], $b[0]);
+ };
+ usort($array, $sorter);
+
+ // Collapse array to remove sort values
+ $mapper = function ($i) {
+ return $i[1];
+ };
+ return array_map($mapper, $array);
+ }
}
--
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