// Setup
+ this.isOpened = false;
+
this.input = $(input);
+ this.input.setAttribute("autocomplete", "off");
this.input.setAttribute("aria-autocomplete", "list");
o = o || {};
- configure.call(this, {
+ configure(this, {
minChars: 2,
maxItems: 10,
autoFirst: false,
+ data: _.DATA,
filter: _.FILTER_CONTAINS,
sort: _.SORT_BYLENGTH,
- item: function (text, input) {
- return $.create("li", {
- innerHTML: text.replace(RegExp($.regExpEscape(input.trim()), "gi"), "<mark>$&</mark>"),
- "aria-selected": "false"
- });
- },
- replace: function (text) {
- this.input.value = text;
- }
+ item: _.ITEM,
+ replace: _.REPLACE
}, o);
this.index = -1;
});
this.ul = $.create("ul", {
- hidden: "",
+ hidden: "hidden",
inside: this.container
});
$.bind(this.input, {
"input": this.evaluate.bind(this),
- "blur": this.close.bind(this),
+ "blur": this.close.bind(this, { reason: "blur" }),
"keydown": function(evt) {
var c = evt.keyCode;
me.select();
}
else if (c === 27) { // Esc
- me.close();
+ me.close({ reason: "esc" });
}
else if (c === 38 || c === 40) { // Down/Up arrow
evt.preventDefault();
}
});
- $.bind(this.input.form, {"submit": this.close.bind(this)});
+ $.bind(this.input.form, {"submit": this.close.bind(this, { reason: "submit" })});
$.bind(this.ul, {"mousedown": function(evt) {
var li = evt.target;
li = li.parentNode;
}
- if (li) {
- me.select(li);
+ if (li && evt.button === 0) { // Only select on left click
+ evt.preventDefault();
+ me.select(li, evt.target);
}
}
}});
if (this.input.hasAttribute("list")) {
- this.list = "#" + input.getAttribute("list");
- input.removeAttribute("list");
+ this.list = "#" + this.input.getAttribute("list");
+ this.input.removeAttribute("list");
}
else {
this.list = this.input.getAttribute("data-list") || o.list || [];
list = $(list);
if (list && list.children) {
- this._list = slice.apply(list.children).map(function (el) {
- return el.innerHTML.trim();
+ var items = [];
+ slice.apply(list.children).forEach(function (el) {
+ if (!el.disabled) {
+ var text = el.textContent.trim();
+ var value = el.value || text;
+ var label = el.label || text;
+ if (value !== "") {
+ items.push({ label: label, value: value });
+ }
+ }
});
+ this._list = items;
}
}
},
get opened() {
- return this.ul && this.ul.getAttribute("hidden") == null;
+ return this.isOpened;
},
- close: function () {
+ close: function (o) {
+ if (!this.opened) {
+ return;
+ }
+
this.ul.setAttribute("hidden", "");
+ this.isOpened = false;
this.index = -1;
- $.fire(this.input, "awesomplete-close");
+ $.fire(this.input, "awesomplete-close", o || {});
},
open: function () {
this.ul.removeAttribute("hidden");
+ this.isOpened = true;
if (this.autoFirst && this.index === -1) {
this.goto(0);
next: function () {
var count = this.ul.children.length;
-
- this.goto(this.index < count - 1? this.index + 1 : -1);
+ this.goto(this.index < count - 1 ? this.index + 1 : (count ? 0 : -1) );
},
previous: function () {
var count = this.ul.children.length;
+ var pos = this.index - 1;
- this.goto(this.selected? this.index - 1 : count - 1);
+ this.goto(this.selected && pos !== -1 ? pos : count - 1);
},
// Should not be used, highlights specific item without any checks!
if (i > -1 && lis.length > 0) {
lis[i].setAttribute("aria-selected", "true");
this.status.textContent = lis[i].textContent;
- }
- $.fire(this.input, "awesomplete-highlight");
+ // scroll to highlighted element in case parent's height is fixed
+ this.ul.scrollTop = lis[i].offsetTop - this.ul.clientHeight + lis[i].clientHeight;
+
+ $.fire(this.input, "awesomplete-highlight", {
+ text: this.suggestions[this.index]
+ });
+ }
},
- select: function (selected) {
- selected = selected || this.ul.children[this.index];
+ select: function (selected, origin) {
+ if (selected) {
+ this.index = $.siblingIndex(selected);
+ } else {
+ selected = this.ul.children[this.index];
+ }
if (selected) {
- var prevented;
+ var suggestion = this.suggestions[this.index];
- $.fire(this.input, "awesomplete-select", {
- text: selected.textContent,
- preventDefault: function () {
- prevented = true;
- }
+ var allowed = $.fire(this.input, "awesomplete-select", {
+ text: suggestion,
+ origin: origin || selected
});
- if (!prevented) {
- this.replace(selected.textContent);
- this.close();
- $.fire(this.input, "awesomplete-selectcomplete");
+ if (allowed) {
+ this.replace(suggestion);
+ this.close({ reason: "select" });
+ $.fire(this.input, "awesomplete-selectcomplete", {
+ text: suggestion
+ });
}
}
},
// Populate list with options that match
this.ul.innerHTML = "";
- this._list
+ this.suggestions = this._list
+ .map(function(item) {
+ return new Suggestion(me.data(item, value));
+ })
.filter(function(item) {
return me.filter(item, value);
})
.sort(this.sort)
- .every(function(text, i) {
- me.ul.appendChild(me.item(text, value));
+ .slice(0, this.maxItems);
- return i < me.maxItems - 1;
- });
+ this.suggestions.forEach(function(text) {
+ me.ul.appendChild(me.item(text, value));
+ });
if (this.ul.children.length === 0) {
- this.close();
+ this.close({ reason: "nomatches" });
} else {
this.open();
}
}
else {
- this.close();
+ this.close({ reason: "nomatches" });
}
}
};
return a < b? -1 : 1;
};
+ _.ITEM = function (text, input) {
+ var html = input.trim() === '' ? text : text.replace(RegExp($.regExpEscape(input.trim()), "gi"), "<mark>$&</mark>");
+ return $.create("li", {
+ innerHTML: html,
+ "aria-selected": "false"
+ });
+ };
+
+ _.REPLACE = function (text) {
+ this.input.value = text.value;
+ };
+
+ _.DATA = function (item/*, input*/) { return item; };
+
// Private functions
- function configure(properties, o) {
+ function Suggestion(data) {
+ var o = Array.isArray(data)
+ ? { label: data[0], value: data[1] }
+ : typeof data === "object" && "label" in data && "value" in data ? data : { label: data, value: data };
+
+ this.label = o.label || o.value;
+ this.value = o.value;
+ }
+ Object.defineProperty(Suggestion.prototype = Object.create(String.prototype), "length", {
+ get: function() { return this.label.length; }
+ });
+ Suggestion.prototype.toString = Suggestion.prototype.valueOf = function () {
+ return "" + this.label;
+ };
+
+ function configure(instance, properties, o) {
for (var i in properties) {
var initial = properties[i],
- attrValue = this.input.getAttribute("data-" + i.toLowerCase());
+ attrValue = instance.input.getAttribute("data-" + i.toLowerCase());
if (typeof initial === "number") {
- this[i] = +attrValue;
+ instance[i] = parseInt(attrValue);
}
else if (initial === false) { // Boolean options must be false by default anyway
- this[i] = attrValue !== null;
+ instance[i] = attrValue !== null;
}
else if (initial instanceof Function) {
- this[i] = null;
+ instance[i] = null;
}
else {
- this[i] = attrValue;
+ instance[i] = attrValue;
}
- this[i] = this[i] || o[i] || initial;
+ if (!instance[i] && instance[i] !== 0) {
+ instance[i] = (i in o)? o[i] : initial;
+ }
}
}
evt[j] = properties[j];
}
- target.dispatchEvent(evt);
+ return target.dispatchEvent(evt);
};
$.regExpEscape = function (s) {
return s.replace(/[-\\^$*+?.()|[\]{}]/g, "\\$&");
- }
+ };
+
+ $.siblingIndex = function (el) {
+ /* eslint-disable no-cond-assign */
+ for (var i = 0; el = el.previousElementSibling; i++);
+ return i;
+ };
// Initialization
function init() {
$$("input.awesomplete").forEach(function (input) {
- new Awesomplete(input);
+ new _(input);
});
}
// Are we in a browser? Check for Document constructor
- if (typeof Document !== 'undefined') {
+ if (typeof Document !== "undefined") {
// DOM already loaded?
if (document.readyState !== "loading") {
init();
_.$$ = $$;
// Make sure to export Awesomplete on self when in a browser
- if (typeof self !== 'undefined') {
+ if (typeof self !== "undefined") {
self.Awesomplete = _;
}
// Expose Awesomplete as a CJS module
- if (typeof exports === 'object') {
+ if (typeof module === "object" && module.exports) {
module.exports = _;
}
return _;
-}());
+}());
\ No newline at end of file