1 files changed, 30 insertions, 0 deletions
diff --git a/nixos/lib/test-driver/treebits.js b/nixos/lib/test-driver/treebits.js
new file mode 100644
index 00000000000..9754093dfd0
--- /dev/null
+++ b/nixos/lib/test-driver/treebits.js
@@ -0,0 +1,30 @@
+$(document).ready(function() {
+
+    /* When a toggle is clicked, show or hide the subtree. */
+    $(".logTreeToggle").click(function() {
+        if ($(this).siblings("ul:hidden").length != 0) {
+            $(this).siblings("ul").show();
+            $(this).text("-");
+        } else {
+            $(this).siblings("ul").hide();
+            $(this).text("+");
+        }
+    });
+
+    /* Implementation of the expand all link. */
+    $(".logTreeExpandAll").click(function() {
+        $(".logTreeToggle", $(this).parent().siblings(".toplevel")).map(function() {
+            $(this).siblings("ul").show();
+            $(this).text("-");
+        });
+    });
+
+    /* Implementation of the collapse all link. */
+    $(".logTreeCollapseAll").click(function() {
+        $(".logTreeToggle", $(this).parent().siblings(".toplevel")).map(function() {
+            $(this).siblings("ul").hide();
+            $(this).text("+");
+        });
+    });
+
+});