2 files changed, 27 insertions, 6 deletions
diff --git a/uploader/static/js/misc.js b/uploader/static/js/misc.js
deleted file mode 100644
index cf7b39e..0000000
--- a/uploader/static/js/misc.js
+++ /dev/null
@@ -1,6 +0,0 @@
-"Miscellaneous functions and event-handlers"
-
-$(".not-implemented").click((event) => {
-    event.preventDefault();
-    alert("This feature is not implemented yet. Please bear with us.");
-});
diff --git a/uploader/static/js/utils.js b/uploader/static/js/utils.js
index 045dd47..1b31661 100644
--- a/uploader/static/js/utils.js
+++ b/uploader/static/js/utils.js
@@ -8,3 +8,30 @@ function trigger_change_event(element) {
     evt = new Event("change");
     element.dispatchEvent(evt);
 }
+
+
+var remove_class = (element, classvalue) => {
+    new_classes = (element.attr("class") || "").split(" ").map((val) => {
+        return val.trim();
+    }).filter((val) => {
+        return ((val !== classvalue) &&
+                (val !== ""))
+    }).join(" ");
+
+    if(new_classes === "") {
+        element.removeAttr("class");
+    } else {
+        element.attr("class", new_classes);
+    }
+};
+
+
+var add_class = (element, classvalue) => {
+    remove_class(element, classvalue);
+    element.attr("class", (element.attr("class") || "") + " " + classvalue);
+};
+
+$(".not-implemented").click((event) => {
+    event.preventDefault();
+    alert("This feature is not implemented yet. Please bear with us.");
+});