Wiki navigation bar

js/WikiDropdownHelper.js

@@ -0,0 +1,37 @@
+'use strict';
+
+class WikiDropdownHelper {
+    constructor(element) {
+        this.dd = element;
+    }
+    clear() {
+        while (this.dd.hasChildNodes()) {
+            this.dd.removeChild(this.dd.firstChild);
+        }
+        return this;
+    }
+    add(text, value, set=false) {
+        var option = document.createElement("option");
+        option.text = text;
+        option.value = value;
+        this.dd.appendChild(option);
+        if ( set ) {
+            this.set(value);
+        }
+        return this;
+    }
+    rename(value, text) {
+        this.dd.querySelector(`option[value="${value}"]`).innerHTML=text;
+        return this;
+    }
+    get() {
+        return {
+                 text:this.dd.parentElement.value,
+                 value:this.dd.parentElement.text
+        };
+    }
+    set(value) {
+        this.dd.parentElement.value=value;
+        // this.onSelectWiki(value);
+    }
+}