1 files changed, 65 insertions, 61 deletions

diff --git a/awesomplete.js b/awesomplete.js
index 9b388ef..653b524 100644
--- a/awesomplete.js
+++ b/awesomplete.js
@@ -4,19 +4,19 @@
  * @author Lea Verou http://leaverou.github.io/awesomplete
  * MIT license
  */
- 
+
 (function () {
 
 var _ = self.Awesomplete = function (input, o) {
 	var me = this;
-	
+
 	// Setup
-	
+
 	this.input = input;
 	input.setAttribute("aria-autocomplete", "list");
-	
+
 	o = o || {};
-	
+
 	configure.call(this, {
 		minChars: 2,
 		maxItems: 10,
@@ -27,66 +27,70 @@ var _ = self.Awesomplete = function (input, o) {
 			return $.create("li", {
 				innerHTML: text.replace(RegExp($.regExpEscape(input.trim()), "gi"), "<mark>$&</mark>"),
 				"aria-selected": "false"
-			});	
+			});
 		},
 		replace: function (text) {
 			this.input.value = text;
 		}
 	}, o);
-	
+
 	this.index = -1;
-	
+
 	// Create necessary elements
-	
+
 	this.container = $.create("div", {
 		className: "awesomplete",
 		around: input
 	});
-	
+
 	this.ul = $.create("ul", {
 		hidden: "",
 		inside: this.container
 	});
-	
+
 	// Bind events
-	
+
 	$.bind(this.input, {
 		"input": this.evaluate.bind(this),
 		"blur": this.close.bind(this),
 		"keydown": function(evt) {
 			var c = evt.keyCode;
-			
-			if (c === 13 && me.selected) { // Enter
-				evt.preventDefault();
-				me.select();
-			}
-			else if (c === 27) { // Esc
-				me.close();
-			}
-			else if (c === 38 || c === 40) { // Down/Up arrow
-				evt.preventDefault();
-				me[c === 38? "previous" : "next"]();
+
+			// If the dropdown `ul` is in view, then act on keydown for the following keys:
+			// Enter / Esc / Up / Down
+			if(me.ul && me.ul.getAttribute("hidden") == null) {
+				if (c === 13 && me.selected) { // Enter
+					evt.preventDefault();
+					me.select();
+				}
+				else if (c === 27) { // Esc
+					me.close();
+				}
+				else if (c === 38 || c === 40) { // Down/Up arrow
+					evt.preventDefault();
+					me[c === 38? "previous" : "next"]();
+				}
 			}
 		}
 	});
-	
+
 	$.bind(this.input.form, {"submit": me.close.bind(me)});
-	
+
 	$.bind(this.ul, {"mousedown": function(evt) {
 		var li = evt.target;
-		
+
 		if (li !== this) {
-			
+
 			while (li && !/li/i.test(li.nodeName)) {
 				li = li.parentNode;
 			}
-			
+
 			if (li) {
-				me.select(li);	
+				me.select(li);
 			}
 		}
 	}});
-	
+
 	if (input.hasAttribute("list")) {
 		this.list = "#" + input.getAttribute("list");
 		input.removeAttribute("list");
@@ -94,7 +98,7 @@ var _ = self.Awesomplete = function (input, o) {
 	else {
 		this.list = input.getAttribute("data-list") || o.list || [];
 	}
-	
+
 	_.all.push(this);
 };
 
@@ -108,80 +112,80 @@ _.prototype = {
 		}
 		else { // Element or CSS selector
 			list = $(list);
-			
+
 			if (list && list.children) {
 				this._list = slice.apply(list.children).map(function (el) {
 					return el.innerHTML.trim();
 				});
 			}
 		}
-		
+
 		if (document.activeElement === this.input) {
 			this.evaluate();
 		}
 	},
-	
+
 	get selected() {
 		return this.index > -1;
 	},
-	
+
 	close: function () {
 		this.ul.setAttribute("hidden", "");
 		this.index = -1;
-		
+
 		$.fire(this.input, "awesomplete-close");
 	},
-	
+
 	open: function () {
 		this.ul.removeAttribute("hidden");
-		
+
 		if (this.autoFirst && this.index === -1) {
 			this.goto(0);
 		}
-		
+
 		$.fire(this.input, "awesomplete-open");
 	},
-	
+
 	next: function () {
 		var count = this.ul.children.length;
 
 		this.goto(this.index < count - 1? this.index + 1 : -1);
 	},
-	
+
 	previous: function () {
 		var count = this.ul.children.length;
-		
+
 		this.goto(this.selected? this.index - 1 : count - 1);
 	},
-	
+
 	// Should not be used, highlights specific item without any checks!
 	goto: function (i) {
 		var lis = this.ul.children;
-		
+
 		if (this.selected) {
 			lis[this.index].setAttribute("aria-selected", "false");
 		}
-		
+
 		this.index = i;
-		
+
 		if (i > -1 && lis.length > 0) {
 			lis[i].setAttribute("aria-selected", "true");
 		}
 	},
-	
+
 	select: function (selected) {
 		selected = selected || this.ul.children[this.index];
 
 		if (selected) {
 			var prevented;
-			
+
 			$.fire(this.input, "awesomplete-select", {
 				text: selected.textContent,
 				preventDefault: function () {
 					prevented = true;
 				}
 			});
-			
+
 			if (!prevented) {
 				this.replace(selected.textContent);
 				this.close();
@@ -189,11 +193,11 @@ _.prototype = {
 			}
 		}
 	},
-	
+
 	evaluate: function() {
 		var me = this;
 		var value = this.input.value;
-				
+
 		if (value.length >= this.minChars && this._list.length > 0) {
 			this.index = -1;
 			// Populate list with options that match
@@ -206,10 +210,10 @@ _.prototype = {
 				.sort(this.sort)
 				.every(function(text, i) {
 					me.ul.appendChild(me.item(text, value));
-					
+
 					return i < me.maxItems - 1;
 				});
-			
+
 			this.open();
 		}
 		else {
@@ -234,7 +238,7 @@ _.SORT_BYLENGTH = function (a, b) {
 	if (a.length !== b.length) {
 		return a.length - b.length;
 	}
-	
+
 	return a < b? -1 : 1;
 };
 
@@ -244,7 +248,7 @@ function configure(properties, o) {
 	for (var i in properties) {
 		var initial = properties[i],
 		    attrValue = this.input.getAttribute("data-" + i.toLowerCase());
-		
+
 		if (typeof initial === "number") {
 			this[i] = +attrValue;
 		}
@@ -257,7 +261,7 @@ function configure(properties, o) {
 		else {
 			this[i] = attrValue;
 		}
-		
+
 		this[i] = this[i] || o[i] || initial;
 	}
 }
@@ -276,10 +280,10 @@ function $$(expr, con) {
 
 $.create = function(tag, o) {
 	var element = document.createElement(tag);
-	
+
 	for (var i in o) {
 		var val = o[i];
-		
+
 		if (i === "inside") {
 			$(val).appendChild(element);
 		}
@@ -295,7 +299,7 @@ $.create = function(tag, o) {
 			element.setAttribute(i, val);
 		}
 	}
-	
+
 	return element;
 };
 
@@ -303,7 +307,7 @@ $.bind = function(element, o) {
 	if (element) {
 		for (var event in o) {
 			var callback = o[event];
-			
+
 			event.split(/\s+/).forEach(function (event) {
 				element.addEventListener(event, callback);
 			});
@@ -313,7 +317,7 @@ $.bind = function(element, o) {
 
 $.fire = function(target, type, properties) {
 	var evt = document.createEvent("HTMLEvents");
-			
+
 	evt.initEvent(type, true, true );
 
 	for (var j in properties) {