File: /var/www/vhost/disk-apps/magento.bikenow.co/lib/web/jquery/ui-modules/autocomplete.js
/*!
* jQuery UI Autocomplete - v1.10.4
* http://jqueryui.com
*
* Copyright 2014 jQuery Foundation and other contributors
* Released under the MIT license.
* http://jquery.org/license
*
* http://api.jqueryui.com/autocomplete/
*/
define([
'jquery',
'jquery-ui-modules/menu'
], function ($, undefined) {
$.widget("ui.autocomplete", {
version: "1.10.4",
defaultElement: "<input>",
options: {
appendTo: null,
autoFocus: false,
delay: 300,
minLength: 1,
position: {
my: "left top",
at: "left bottom",
collision: "none"
},
source: null,
// callbacks
change: null,
close: null,
focus: null,
open: null,
response: null,
search: null,
select: null
},
requestIndex: 0,
pending: 0,
_create: function () {
// Some browsers only repeat keydown events, not keypress events,
// so we use the suppressKeyPress flag to determine if we've already
// handled the keydown event. #7269
// Unfortunately the code for & in keypress is the same as the up arrow,
// so we use the suppressKeyPressRepeat flag to avoid handling keypress
// events when we know the keydown event was used to modify the
// search term. #7799
var suppressKeyPress, suppressKeyPressRepeat, suppressInput,
nodeName = this.element[0].nodeName.toLowerCase(),
isTextarea = nodeName === "textarea",
isInput = nodeName === "input";
this.isMultiLine =
// Textareas are always multi-line
isTextarea ? true :
// Inputs are always single-line, even if inside a contentEditable element
// IE also treats inputs as contentEditable
isInput ? false :
// All other element types are determined by whether or not they're contentEditable
this.element.prop("isContentEditable");
this.valueMethod = this.element[isTextarea || isInput ? "val" : "text"];
this.isNewMenu = true;
this.element
.addClass("ui-autocomplete-input")
.attr("autocomplete", "off");
this._on(this.element, {
keydown: function (event) {
if (this.element.prop("readOnly")) {
suppressKeyPress = true;
suppressInput = true;
suppressKeyPressRepeat = true;
return;
}
suppressKeyPress = false;
suppressInput = false;
suppressKeyPressRepeat = false;
var keyCode = $.ui.keyCode;
switch (event.keyCode) {
case keyCode.PAGE_UP:
suppressKeyPress = true;
this._move("previousPage", event);
break;
case keyCode.PAGE_DOWN:
suppressKeyPress = true;
this._move("nextPage", event);
break;
case keyCode.UP:
suppressKeyPress = true;
this._keyEvent("previous", event);
break;
case keyCode.DOWN:
suppressKeyPress = true;
this._keyEvent("next", event);
break;
case keyCode.ENTER:
case keyCode.NUMPAD_ENTER:
// when menu is open and has focus
if (this.menu.active) {
// #6055 - Opera still allows the keypress to occur
// which causes forms to submit
suppressKeyPress = true;
event.preventDefault();
this.menu.select(event);
}
break;
case keyCode.TAB:
if (this.menu.active) {
this.menu.select(event);
}
break;
case keyCode.ESCAPE:
if (this.menu.element.is(":visible")) {
this._value(this.term);
this.close(event);
// Different browsers have different default behavior for escape
// Single press can mean undo or clear
// Double press in IE means clear the whole form
event.preventDefault();
}
break;
default:
suppressKeyPressRepeat = true;
// search timeout should be triggered before the input value is changed
this._searchTimeout(event);
break;
}
},
keypress: function (event) {
if (suppressKeyPress) {
suppressKeyPress = false;
if (!this.isMultiLine || this.menu.element.is(":visible")) {
event.preventDefault();
}
return;
}
if (suppressKeyPressRepeat) {
return;
}
// replicate some key handlers to allow them to repeat in Firefox and Opera
var keyCode = $.ui.keyCode;
switch (event.keyCode) {
case keyCode.PAGE_UP:
this._move("previousPage", event);
break;
case keyCode.PAGE_DOWN:
this._move("nextPage", event);
break;
case keyCode.UP:
this._keyEvent("previous", event);
break;
case keyCode.DOWN:
this._keyEvent("next", event);
break;
}
},
input: function (event) {
if (suppressInput) {
suppressInput = false;
event.preventDefault();
return;
}
this._searchTimeout(event);
},
focus: function () {
this.selectedItem = null;
this.previous = this._value();
},
blur: function (event) {
if (this.cancelBlur) {
delete this.cancelBlur;
return;
}
clearTimeout(this.searching);
this.close(event);
this._change(event);
}
});
this._initSource();
this.menu = $("<ul>")
.addClass("ui-autocomplete ui-front")
.appendTo(this._appendTo())
.menu({
// disable ARIA support, the live region takes care of that
role: null
})
.hide()
.data("ui-menu");
this._on(this.menu.element, {
mousedown: function (event) {
// prevent moving focus out of the text field
event.preventDefault();
// IE doesn't prevent moving focus even with event.preventDefault()
// so we set a flag to know when we should ignore the blur event
this.cancelBlur = true;
this._delay(function () {
delete this.cancelBlur;
});
// clicking on the scrollbar causes focus to shift to the body
// but we can't detect a mouseup or a click immediately afterward
// so we have to track the next mousedown and close the menu if
// the user clicks somewhere outside of the autocomplete
var menuElement = this.menu.element[0];
if (!$(event.target).closest(".ui-menu-item").length) {
this._delay(function () {
var that = this;
this.document.one("mousedown", function (event) {
if (event.target !== that.element[0] &&
event.target !== menuElement &&
!$.contains(menuElement, event.target)) {
that.close();
}
});
});
}
},
menufocus: function (event, ui) {
// support: Firefox
// Prevent accidental activation of menu items in Firefox (#7024 #9118)
if (this.isNewMenu) {
this.isNewMenu = false;
if (event.originalEvent && /^mouse/.test(event.originalEvent.type)) {
this.menu.blur();
this.document.one("mousemove", function () {
$(event.target).trigger(event.originalEvent);
});
return;
}
}
var item = ui.item.data("ui-autocomplete-item");
if (false !== this._trigger("focus", event, {item: item})) {
// use value to match what will end up in the input, if it was a key event
if (event.originalEvent && /^key/.test(event.originalEvent.type)) {
this._value(item.value);
}
} else {
// Normally the input is populated with the item's value as the
// menu is navigated, causing screen readers to notice a change and
// announce the item. Since the focus event was canceled, this doesn't
// happen, so we update the live region so that screen readers can
// still notice the change and announce it.
this.liveRegion.text(item.value);
}
},
menuselect: function (event, ui) {
var item = ui.item.data("ui-autocomplete-item"),
previous = this.previous;
// only trigger when focus was lost (click on menu)
if (this.element[0] !== this.document[0].activeElement) {
this.element.focus();
this.previous = previous;
// #6109 - IE triggers two focus events and the second
// is asynchronous, so we need to reset the previous
// term synchronously and asynchronously :-(
this._delay(function () {
this.previous = previous;
this.selectedItem = item;
});
}
if (false !== this._trigger("select", event, {item: item})) {
this._value(item.value);
}
// reset the term after the select event
// this allows custom select handling to work properly
this.term = this._value();
this.close(event);
this.selectedItem = item;
}
});
this.liveRegion = $("<span>", {
role: "status",
"aria-live": "polite"
})
.addClass("ui-helper-hidden-accessible")
.insertBefore(this.element);
// turning off autocomplete prevents the browser from remembering the
// value when navigating through history, so we re-enable autocomplete
// if the page is unloaded before the widget is destroyed. #7790
this._on(this.window, {
beforeunload: function () {
this.element.removeAttr("autocomplete");
}
});
},
_destroy: function () {
clearTimeout(this.searching);
this.element
.removeClass("ui-autocomplete-input")
.removeAttr("autocomplete");
this.menu.element.remove();
this.liveRegion.remove();
},
_setOption: function (key, value) {
this._super(key, value);
if (key === "source") {
this._initSource();
}
if (key === "appendTo") {
this.menu.element.appendTo(this._appendTo());
}
if (key === "disabled" && value && this.xhr) {
this.xhr.abort();
}
},
_appendTo: function () {
var element = this.options.appendTo;
if (element) {
element = element.jquery || element.nodeType ?
$(element) :
this.document.find(element).eq(0);
}
if (!element) {
element = this.element.closest(".ui-front");
}
if (!element.length) {
element = this.document[0].body;
}
return element;
},
_initSource: function () {
var array, url,
that = this;
if ($.isArray(this.options.source)) {
array = this.options.source;
this.source = function (request, response) {
response($.ui.autocomplete.filter(array, request.term));
};
} else if (typeof this.options.source === "string") {
url = this.options.source;
this.source = function (request, response) {
if (that.xhr) {
that.xhr.abort();
}
that.xhr = $.ajax({
url: url,
data: request,
dataType: "json",
success: function (data) {
response(data);
},
error: function () {
response([]);
}
});
};
} else {
this.source = this.options.source;
}
},
_searchTimeout: function (event) {
clearTimeout(this.searching);
this.searching = this._delay(function () {
// only search if the value has changed
if (this.term !== this._value()) {
this.selectedItem = null;
this.search(null, event);
}
}, this.options.delay);
},
search: function (value, event) {
value = value != null ? value : this._value();
// always save the actual value, not the one passed as an argument
this.term = this._value();
if (value.length < this.options.minLength) {
return this.close(event);
}
if (this._trigger("search", event) === false) {
return;
}
return this._search(value);
},
_search: function (value) {
this.pending++;
this.element.addClass("ui-autocomplete-loading");
this.cancelSearch = false;
this.source({term: value}, this._response());
},
_response: function () {
var index = ++this.requestIndex;
return $.proxy(function (content) {
if (index === this.requestIndex) {
this.__response(content);
}
this.pending--;
if (!this.pending) {
this.element.removeClass("ui-autocomplete-loading");
}
}, this);
},
__response: function (content) {
if (content) {
content = this._normalize(content);
}
this._trigger("response", null, {content: content});
if (!this.options.disabled && content && content.length && !this.cancelSearch) {
this._suggest(content);
this._trigger("open");
} else {
// use ._close() instead of .close() so we don't cancel future searches
this._close();
}
},
close: function (event) {
this.cancelSearch = true;
this._close(event);
},
_close: function (event) {
if (this.menu.element.is(":visible")) {
this.menu.element.hide();
this.menu.blur();
this.isNewMenu = true;
this._trigger("close", event);
}
},
_change: function (event) {
if (this.previous !== this._value()) {
this._trigger("change", event, {item: this.selectedItem});
}
},
_normalize: function (items) {
// assume all items have the right format when the first item is complete
if (items.length && items[0].label && items[0].value) {
return items;
}
return $.map(items, function (item) {
if (typeof item === "string") {
return {
label: item,
value: item
};
}
return $.extend({
label: item.label || item.value,
value: item.value || item.label
}, item);
});
},
_suggest: function (items) {
var ul = this.menu.element.empty();
this._renderMenu(ul, items);
this.isNewMenu = true;
this.menu.refresh();
// size and position menu
ul.show();
this._resizeMenu();
ul.position($.extend({
of: this.element
}, this.options.position));
if (this.options.autoFocus) {
this.menu.next();
}
},
_resizeMenu: function () {
var ul = this.menu.element;
ul.outerWidth(Math.max(
// Firefox wraps long text (possibly a rounding bug)
// so we add 1px to avoid the wrapping (#7513)
ul.width("").outerWidth() + 1,
this.element.outerWidth()
));
},
_renderMenu: function (ul, items) {
var that = this;
$.each(items, function (index, item) {
that._renderItemData(ul, item);
});
},
_renderItemData: function (ul, item) {
return this._renderItem(ul, item).data("ui-autocomplete-item", item);
},
_renderItem: function (ul, item) {
return $("<li>")
.append($("<a>").text(item.label))
.appendTo(ul);
},
_move: function (direction, event) {
if (!this.menu.element.is(":visible")) {
this.search(null, event);
return;
}
if (this.menu.isFirstItem() && /^previous/.test(direction) ||
this.menu.isLastItem() && /^next/.test(direction)) {
this._value(this.term);
this.menu.blur();
return;
}
this.menu[direction](event);
},
widget: function () {
return this.menu.element;
},
_value: function () {
return this.valueMethod.apply(this.element, arguments);
},
_keyEvent: function (keyEvent, event) {
if (!this.isMultiLine || this.menu.element.is(":visible")) {
this._move(keyEvent, event);
// prevents moving cursor to beginning/end of the text field in some browsers
event.preventDefault();
}
}
});
$.extend($.ui.autocomplete, {
escapeRegex: function (value) {
return value.replace(/[\-\[\]{}()*+?.,\\\^$|#\s]/g, "\\$&");
},
filter: function (array, term) {
var matcher = new RegExp($.ui.autocomplete.escapeRegex(term), "i");
return $.grep(array, function (value) {
return matcher.test(value.label || value.value || value);
});
}
});
// live region extension, adding a `messages` option
// NOTE: This is an experimental API. We are still investigating
// a full solution for string manipulation and internationalization.
$.widget("ui.autocomplete", $.ui.autocomplete, {
options: {
messages: {
noResults: "No search results.",
results: function (amount) {
return amount + (amount > 1 ? " results are" : " result is") +
" available, use up and down arrow keys to navigate.";
}
}
},
__response: function (content) {
var message;
this._superApply(arguments);
if (this.options.disabled || this.cancelSearch) {
return;
}
if (content && content.length) {
message = this.options.messages.results(content.length);
} else {
message = this.options.messages.noResults;
}
this.liveRegion.text(message);
}
});
});