Made Unspecified docs editable and start general Menu class
diff --git a/public/js/src/menu.js b/public/js/src/menu.js
new file mode 100644
index 0000000..3b79bdd
--- /dev/null
+++ b/public/js/src/menu.js
@@ -0,0 +1,202 @@
+var KorAP = KorAP || {};
+
+(function (KorAP) {
+ "use strict";
+
+ /**
+ * Item in the Dropdown menu
+ */
+ KorAP.MenuItem = {
+
+ /**
+ * Create a new MenuItem object.
+ *
+ * @constructor
+ * @this {MenuItem}
+ * @param {Array.<string>} An array object of name, action and
+ * optionally a description
+ */
+ create : function (params) {
+ return Object.create(KorAP.MenuItem)._init(params);
+ },
+
+ /**
+ * Upgrade this object to another object,
+ * while private data stays intact.
+ *
+ * @param {Object] An object with properties.
+ */
+ upgradeTo : function (props) {
+ for (var prop in props) {
+ this[prop] = props[prop];
+ };
+ return this;
+ },
+
+ content : function (content) {
+ if (arguments.length === 1)
+ this._content = document.createTextNode(content);
+ return this._content;
+ },
+
+ lcField : function () {
+ return this._lcField;
+ },
+
+ action : function (action) {
+ if (arguments.length === 1)
+ this._action = action;
+ return this._action;
+ },
+
+ /**
+ * Check or set if the item is active
+ *
+ * @param {boolean|null} State of activity
+ */
+ active : function (bool) {
+ var cl = this.element().classList;
+ if (bool === undefined)
+ return cl.contains("active");
+ else if (bool)
+ cl.add("active");
+ else
+ cl.remove("active");
+ },
+
+ /**
+ * Check or set if the item is
+ * at the boundary of the menu
+ * list
+ *
+ * @param {boolean|null} State of activity
+ */
+ noMore : function (bool) {
+ var cl = this.element().classList;
+ if (bool === undefined)
+ return cl.contains("no-more");
+ else if (bool)
+ cl.add("no-more");
+ else
+ cl.remove("no-more");
+ },
+
+ /**
+ * Get the document element of the menu item
+ */
+ element : function () {
+ // already defined
+ if (this._element !== undefined)
+ return this._element;
+
+ // Create list item
+ var li = document.createElement("li");
+
+ // Connect action
+ li["action"] = this._action;
+
+ // Append template
+ li.appendChild(this.content());
+
+ return this._element = li;
+ },
+
+ /**
+ * Highlight parts of the item
+ *
+ * @param {string} Prefix string for highlights
+ */
+ highlight : function (prefix) {
+ this._highlight(this.element().firstChild, prefix);
+ },
+
+ // Highlight a certain substring of the menu item
+ _highlight : function (elem, prefix) {
+
+ if (elem.nodeType === 3) {
+
+ var text = elem.nodeValue;
+ var textlc = text.toLowerCase();
+ var pos = textlc.indexOf(prefix);
+ if (pos >= 0) {
+
+ // First element
+ if (pos > 0) {
+ elem.parentNode.insertBefore(
+ document.createTextNode(text.substr(0, pos)),
+ elem
+ );
+ };
+
+ // Second element
+ var hl = document.createElement("mark");
+ hl.appendChild(
+ document.createTextNode(text.substr(pos, prefix.length))
+ );
+ elem.parentNode.insertBefore(hl, elem);
+
+ // Third element
+ var third = text.substr(pos + prefix.length);
+ if (third.length > 0) {
+ var thirdE = document.createTextNode(third);
+ elem.parentNode.insertBefore(
+ thirdE,
+ elem
+ );
+ this._highlight(thirdE, prefix);
+ };
+
+ var p = elem.parentNode;
+ p.removeChild(elem);
+ };
+ }
+ else {
+ var children = elem.childNodes;
+ for (var i = children.length -1; i >= 0; i--) {
+ this._highlight(children[i], prefix);
+ };
+ };
+ },
+
+
+ /**
+ * Remove highlight of the menu item
+ */
+ lowlight : function () {
+ var e = this.element();
+
+ var marks = e.getElementsByTagName("mark");
+ for (var i = marks.length - 1; i >= 0; i--) {
+ // Create text node clone
+ var x = document.createTextNode(
+ marks[i].firstChild.nodeValue
+ );
+
+ // Replace with content
+ marks[i].parentNode.replaceChild(
+ x,
+ marks[i]
+ );
+ };
+
+ // Remove consecutive textnodes
+ e.normalize();
+ },
+
+ // Initialize menu item
+ _init : function (params) {
+ if (params[0] === undefined)
+ throw new Error("Missing parameters");
+
+ this.content(params[0]);
+
+ if (params.length === 2)
+ this._action = params[1];
+
+ this._lcField = ' ' + this.content().textContent.toLowerCase();
+
+ return this;
+ },
+ };
+
+}(this.KorAP));