",
options: {
disabled: false,
// callbacks
create: null
},
_createWidget: function(options, element) {
element = $(element || this.defaultElement || this)[0];
this.element = $(element);
this.uuid = uuid++;
this.eventNamespace = "." + this.widgetName + this.uuid;
this.options = $.widget.extend({},
this.options,
this._getCreateOptions(),
options);
this.bindings = $();
this.hoverable = $();
this.focusable = $();
if (element !== this) {
// 1.9 BC for #7810
// TODO remove dual storage
$.data(element, this.widgetName, this);
$.data(element, this.widgetFullName, this);
this._on(true, this.element, {
remove: function(event) {
if (event.target === element) {
this.destroy();
}
}
});
this.document = $(element.style ?
// element within the document
element.ownerDocument :
// element is window or document
element.document || element);
this.window = $(this.document[0].defaultView || this.document[0].parentWindow);
}
this._create();
this._trigger("create", null, this._getCreateEventData());
this._init();
},
_getCreateOptions: $.noop,
_getCreateEventData: $.noop,
_create: $.noop,
_init: $.noop,
destroy: function() {
this._destroy();
// we can probably remove the unbind calls in 2.0
// all event bindings should go through this._on()
this.element
.unbind(this.eventNamespace)
// 1.9 BC for #7810
// TODO remove dual storage
.removeData(this.widgetName)
.removeData(this.widgetFullName)
// support: jquery <1.6.3
// http://bugs.jquery.com/ticket/9413
.removeData($.camelCase(this.widgetFullName));
this.widget()
.unbind(this.eventNamespace)
.removeAttr("aria-disabled")
.removeClass(
this.widgetFullName + "-disabled " +
"ui-state-disabled");
// clean up events and states
this.bindings.unbind(this.eventNamespace);
this.hoverable.removeClass("ui-state-hover");
this.focusable.removeClass("ui-state-focus");
},
_destroy: $.noop,
widget: function() {
return this.element;
},
option: function(key, value) {
var options = key,
parts,
curOption,
i;
if (arguments.length === 0) {
// don't return a reference to the internal hash
return $.widget.extend({}, this.options);
}
if (typeof key === "string") {
// handle nested keys, e.g., "foo.bar" => { foo: { bar: ___ } }
options = {};
parts = key.split(".");
key = parts.shift();
if (parts.length) {
curOption = options[key] = $.widget.extend({}, this.options[key]);
for (i = 0; i < parts.length - 1; i++) {
curOption[parts[i]] = curOption[parts[i]] || {};
curOption = curOption[parts[i]];
}
key = parts.pop();
if (value === undefined) {
return curOption[key] === undefined ? null : curOption[key];
}
curOption[key] = value;
} else {
if (value === undefined) {
return this.options[key] === undefined ? null : this.options[key];
}
options[key] = value;
}
}
this._setOptions(options);
return this;
},
_setOptions: function(options) {
var key;
for (key in options) {
this._setOption(key, options[key]);
}
return this;
},
_setOption: function(key, value) {
this.options[key] = value;
if (key === "disabled") {
this.widget()
.toggleClass(this.widgetFullName + "-disabled ui-state-disabled", !! value)
.attr("aria-disabled", value);
this.hoverable.removeClass("ui-state-hover");
this.focusable.removeClass("ui-state-focus");
}
return this;
},
enable: function() {
return this._setOption("disabled", false);
},
disable: function() {
return this._setOption("disabled", true);
},
_on: function(suppressDisabledCheck, element, handlers) {
var delegateElement,
instance = this;
// no suppressDisabledCheck flag, shuffle arguments
if (typeof suppressDisabledCheck !== "boolean") {
handlers = element;
element = suppressDisabledCheck;
suppressDisabledCheck = false;
}
// no element argument, shuffle and use this.element
if (!handlers) {
handlers = element;
element = this.element;
delegateElement = this.widget();
} else {
// accept selectors, DOM elements
element = delegateElement = $(element);
this.bindings = this.bindings.add(element);
}
$.each(handlers, function(event, handler) {
function handlerProxy() {
// allow widgets to customize the disabled handling
// - disabled as an array instead of boolean
// - disabled class as method for disabling individual parts
if (!suppressDisabledCheck &&
(instance.options.disabled === true ||
$(this).hasClass("ui-state-disabled"))) {
return;
}
return (typeof handler === "string" ? instance[handler] : handler)
.apply(instance, arguments);
}
// copy the guid so direct unbinding works
if (typeof handler !== "string") {
handlerProxy.guid = handler.guid =
handler.guid || handlerProxy.guid || $.guid++;
}
var match = event.match(/^(\w+)\s*(.*)$/),
eventName = match[1] + instance.eventNamespace,
selector = match[2];
if (selector) {
delegateElement.delegate(selector, eventName, handlerProxy);
} else {
element.bind(eventName, handlerProxy);
}
});
},
_off: function(element, eventName) {
eventName = (eventName || "").split(" ").join(this.eventNamespace + " ") + this.eventNamespace;
element.unbind(eventName).undelegate(eventName);
},
_delay: function(handler, delay) {
function handlerProxy() {
return (typeof handler === "string" ? instance[handler] : handler)
.apply(instance, arguments);
}
var instance = this;
return setTimeout(handlerProxy, delay || 0);
},
_hoverable: function(element) {
this.hoverable = this.hoverable.add(element);
this._on(element, {
mouseenter: function(event) {
$(event.currentTarget).addClass("ui-state-hover");
},
mouseleave: function(event) {
$(event.currentTarget).removeClass("ui-state-hover");
}
});
},
_focusable: function(element) {
this.focusable = this.focusable.add(element);
this._on(element, {
focusin: function(event) {
$(event.currentTarget).addClass("ui-state-focus");
},
focusout: function(event) {
$(event.currentTarget).removeClass("ui-state-focus");
}
});
},
_trigger: function(type, event, data) {
var prop, orig,
callback = this.options[type];
data = data || {};
event = $.Event(event);
event.type = (type === this.widgetEventPrefix ?
type :
this.widgetEventPrefix + type).toLowerCase();
// the original event may come from any element
// so we need to reset the target on the new event
event.target = this.element[0];
// copy original event properties over to the new event
orig = event.originalEvent;
if (orig) {
for (prop in orig) {
if (!(prop in event)) {
event[prop] = orig[prop];
}
}
}
this.element.trigger(event, data);
return !($.isFunction(callback) &&
callback.apply(this.element[0], [event].concat(data)) === false ||
event.isDefaultPrevented());
}
};
$.each({
show: "fadeIn",
hide: "fadeOut"
}, function(method, defaultEffect) {
$.Widget.prototype["_" + method] = function(element, options, callback) {
if (typeof options === "string") {
options = {
effect: options
};
}
var hasOptions,
effectName = !options ?
method :
options === true || typeof options === "number" ?
defaultEffect :
options.effect || defaultEffect;
options = options || {};
if (typeof options === "number") {
options = {
duration: options
};
}
hasOptions = !$.isEmptyObject(options);
options.complete = callback;
if (options.delay) {
element.delay(options.delay);
}
if (hasOptions && $.effects && ($.effects.effect[effectName] || $.uiBackCompat !== false && $.effects[effectName])) {
element[method](options);
} else if (effectName !== method && element[effectName]) {
element[effectName](options.duration, options.easing, callback);
} else {
element.queue(function(next) {
$(this)[method]();
if (callback) {
callback.call(element[0]);
}
next();
});
}
};
});
// DEPRECATED
if ($.uiBackCompat !== false) {
$.Widget.prototype._getCreateOptions = function() {
return $.metadata && $.metadata.get(this.element[0])[this.widgetName];
};
}
})(jQuery);
(function($, undefined) {
$.ui = $.ui || {};
var cachedScrollbarWidth,
max = Math.max,
abs = Math.abs,
round = Math.round,
rhorizontal = /left|center|right/,
rvertical = /top|center|bottom/,
roffset = /[\+\-]\d+%?/,
rposition = /^\w+/,
rpercent = /%$/,
_position = $.fn.position;
function getOffsets(offsets, width, height) {
return [
parseInt(offsets[0], 10) * (rpercent.test(offsets[0]) ? width / 100 : 1),
parseInt(offsets[1], 10) * (rpercent.test(offsets[1]) ? height / 100 : 1)
];
}
function parseCss(element, property) {
return parseInt($.css(element, property), 10) || 0;
}
$.position = {
scrollbarWidth: function() {
if (cachedScrollbarWidth !== undefined) {
return cachedScrollbarWidth;
}
var w1, w2,
div = $("
"),
innerDiv = div.children()[0];
$("body").append(div);
w1 = innerDiv.offsetWidth;
div.css("overflow", "scroll");
w2 = innerDiv.offsetWidth;
if (w1 === w2) {
w2 = div[0].clientWidth;
}
div.remove();
return (cachedScrollbarWidth = w1 - w2);
},
getScrollInfo: function(within) {
var overflowX = within.isWindow ? "" : within.element.css("overflow-x"),
overflowY = within.isWindow ? "" : within.element.css("overflow-y"),
hasOverflowX = overflowX === "scroll" ||
(overflowX === "auto" && within.width < within.element[0].scrollWidth),
hasOverflowY = overflowY === "scroll" ||
(overflowY === "auto" && within.height < within.element[0].scrollHeight);
return {
width: hasOverflowX ? $.position.scrollbarWidth() : 0,
height: hasOverflowY ? $.position.scrollbarWidth() : 0
};
},
getWithinInfo: function(element) {
var withinElement = $(element || window),
isWindow = $.isWindow(withinElement[0]);
return {
element: withinElement,
isWindow: isWindow,
offset: withinElement.offset() || {
left: 0,
top: 0
},
scrollLeft: withinElement.scrollLeft(),
scrollTop: withinElement.scrollTop(),
width: isWindow ? withinElement.width() : withinElement.outerWidth(),
height: isWindow ? withinElement.height() : withinElement.outerHeight()
};
}
};
$.fn.position = function(options) {
if (!options || !options.of) {
return _position.apply(this, arguments);
}
// make a copy, we don't want to modify arguments
options = $.extend({}, options);
var atOffset, targetWidth, targetHeight, targetOffset, basePosition,
target = $(options.of),
within = $.position.getWithinInfo(options.within),
scrollInfo = $.position.getScrollInfo(within),
targetElem = target[0],
collision = (options.collision || "flip").split(" "),
offsets = {};
if (targetElem.nodeType === 9) {
targetWidth = target.width();
targetHeight = target.height();
targetOffset = {
top: 0,
left: 0
};
} else if ($.isWindow(targetElem)) {
targetWidth = target.width();
targetHeight = target.height();
targetOffset = {
top: target.scrollTop(),
left: target.scrollLeft()
};
} else if (targetElem.preventDefault) {
// force left top to allow flipping
options.at = "left top";
targetWidth = targetHeight = 0;
targetOffset = {
top: targetElem.pageY,
left: targetElem.pageX
};
} else {
targetWidth = target.outerWidth();
targetHeight = target.outerHeight();
targetOffset = target.offset();
}
// clone to reuse original targetOffset later
basePosition = $.extend({}, targetOffset);
// force my and at to have valid horizontal and vertical positions
// if a value is missing or invalid, it will be converted to center
$.each(["my", "at"], function() {
var pos = (options[this] || "").split(" "),
horizontalOffset,
verticalOffset;
if (pos.length === 1) {
pos = rhorizontal.test(pos[0]) ?
pos.concat(["center"]) :
rvertical.test(pos[0]) ?
["center"].concat(pos) :
["center", "center"];
}
pos[0] = rhorizontal.test(pos[0]) ? pos[0] : "center";
pos[1] = rvertical.test(pos[1]) ? pos[1] : "center";
// calculate offsets
horizontalOffset = roffset.exec(pos[0]);
verticalOffset = roffset.exec(pos[1]);
offsets[this] = [
horizontalOffset ? horizontalOffset[0] : 0,
verticalOffset ? verticalOffset[0] : 0
];
// reduce to just the positions without the offsets
options[this] = [
rposition.exec(pos[0])[0],
rposition.exec(pos[1])[0]
];
});
// normalize collision option
if (collision.length === 1) {
collision[1] = collision[0];
}
if (options.at[0] === "right") {
basePosition.left += targetWidth;
} else if (options.at[0] === "center") {
basePosition.left += targetWidth / 2;
}
if (options.at[1] === "bottom") {
basePosition.top += targetHeight;
} else if (options.at[1] === "center") {
basePosition.top += targetHeight / 2;
}
atOffset = getOffsets(offsets.at, targetWidth, targetHeight);
basePosition.left += atOffset[0];
basePosition.top += atOffset[1];
return this.each(function() {
var collisionPosition, using,
elem = $(this),
elemWidth = elem.outerWidth(),
elemHeight = elem.outerHeight(),
marginLeft = parseCss(this, "marginLeft"),
marginTop = parseCss(this, "marginTop"),
collisionWidth = elemWidth + marginLeft + parseCss(this, "marginRight") + scrollInfo.width,
collisionHeight = elemHeight + marginTop + parseCss(this, "marginBottom") + scrollInfo.height,
position = $.extend({}, basePosition),
myOffset = getOffsets(offsets.my, elem.outerWidth(), elem.outerHeight());
if (options.my[0] === "right") {
position.left -= elemWidth;
} else if (options.my[0] === "center") {
position.left -= elemWidth / 2;
}
if (options.my[1] === "bottom") {
position.top -= elemHeight;
} else if (options.my[1] === "center") {
position.top -= elemHeight / 2;
}
position.left += myOffset[0];
position.top += myOffset[1];
// if the browser doesn't support fractions, then round for consistent results
if (!$.support.offsetFractions) {
position.left = round(position.left);
position.top = round(position.top);
}
collisionPosition = {
marginLeft: marginLeft,
marginTop: marginTop
};
$.each(["left", "top"], function(i, dir) {
if ($.ui.position[collision[i]]) {
$.ui.position[collision[i]][dir](position, {
targetWidth: targetWidth,
targetHeight: targetHeight,
elemWidth: elemWidth,
elemHeight: elemHeight,
collisionPosition: collisionPosition,
collisionWidth: collisionWidth,
collisionHeight: collisionHeight,
offset: [atOffset[0] + myOffset[0], atOffset[1] + myOffset[1]],
my: options.my,
at: options.at,
within: within,
elem: elem
});
}
});
if ($.fn.bgiframe) {
elem.bgiframe();
}
if (options.using) {
// adds feedback as second argument to using callback, if present
using = function(props) {
var left = targetOffset.left - position.left,
right = left + targetWidth - elemWidth,
top = targetOffset.top - position.top,
bottom = top + targetHeight - elemHeight,
feedback = {
target: {
element: target,
left: targetOffset.left,
top: targetOffset.top,
width: targetWidth,
height: targetHeight
},
element: {
element: elem,
left: position.left,
top: position.top,
width: elemWidth,
height: elemHeight
},
horizontal: right < 0 ? "left" : left > 0 ? "right" : "center",
vertical: bottom < 0 ? "top" : top > 0 ? "bottom" : "middle"
};
if (targetWidth < elemWidth && abs(left + right) < targetWidth) {
feedback.horizontal = "center";
}
if (targetHeight < elemHeight && abs(top + bottom) < targetHeight) {
feedback.vertical = "middle";
}
if (max(abs(left), abs(right)) > max(abs(top), abs(bottom))) {
feedback.important = "horizontal";
} else {
feedback.important = "vertical";
}
options.using.call(this, props, feedback);
};
}
elem.offset($.extend(position, {
using: using
}));
});
};
$.ui.position = {
fit: {
left: function(position, data) {
var within = data.within,
withinOffset = within.isWindow ? within.scrollLeft : within.offset.left,
outerWidth = within.width,
collisionPosLeft = position.left - data.collisionPosition.marginLeft,
overLeft = withinOffset - collisionPosLeft,
overRight = collisionPosLeft + data.collisionWidth - outerWidth - withinOffset,
newOverRight;
// element is wider than within
if (data.collisionWidth > outerWidth) {
// element is initially over the left side of within
if (overLeft > 0 && overRight <= 0) {
newOverRight = position.left + overLeft + data.collisionWidth - outerWidth - withinOffset;
position.left += overLeft - newOverRight;
// element is initially over right side of within
} else if (overRight > 0 && overLeft <= 0) {
position.left = withinOffset;
// element is initially over both left and right sides of within
} else {
if (overLeft > overRight) {
position.left = withinOffset + outerWidth - data.collisionWidth;
} else {
position.left = withinOffset;
}
}
// too far left -> align with left edge
} else if (overLeft > 0) {
position.left += overLeft;
// too far right -> align with right edge
} else if (overRight > 0) {
position.left -= overRight;
// adjust based on position and margin
} else {
position.left = max(position.left - collisionPosLeft, position.left);
}
},
top: function(position, data) {
var within = data.within,
withinOffset = within.isWindow ? within.scrollTop : within.offset.top,
outerHeight = data.within.height,
collisionPosTop = position.top - data.collisionPosition.marginTop,
overTop = withinOffset - collisionPosTop,
overBottom = collisionPosTop + data.collisionHeight - outerHeight - withinOffset,
newOverBottom;
// element is taller than within
if (data.collisionHeight > outerHeight) {
// element is initially over the top of within
if (overTop > 0 && overBottom <= 0) {
newOverBottom = position.top + overTop + data.collisionHeight - outerHeight - withinOffset;
position.top += overTop - newOverBottom;
// element is initially over bottom of within
} else if (overBottom > 0 && overTop <= 0) {
position.top = withinOffset;
// element is initially over both top and bottom of within
} else {
if (overTop > overBottom) {
position.top = withinOffset + outerHeight - data.collisionHeight;
} else {
position.top = withinOffset;
}
}
// too far up -> align with top
} else if (overTop > 0) {
position.top += overTop;
// too far down -> align with bottom edge
} else if (overBottom > 0) {
position.top -= overBottom;
// adjust based on position and margin
} else {
position.top = max(position.top - collisionPosTop, position.top);
}
}
},
flip: {
left: function(position, data) {
var within = data.within,
withinOffset = within.offset.left + within.scrollLeft,
outerWidth = within.width,
offsetLeft = within.isWindow ? within.scrollLeft : within.offset.left,
collisionPosLeft = position.left - data.collisionPosition.marginLeft,
overLeft = collisionPosLeft - offsetLeft,
overRight = collisionPosLeft + data.collisionWidth - outerWidth - offsetLeft,
myOffset = data.my[0] === "left" ? -data.elemWidth :
data.my[0] === "right" ?
data.elemWidth :
0,
atOffset = data.at[0] === "left" ?
data.targetWidth :
data.at[0] === "right" ? -data.targetWidth :
0,
offset = -2 * data.offset[0],
newOverRight,
newOverLeft;
if (overLeft < 0) {
newOverRight = position.left + myOffset + atOffset + offset + data.collisionWidth - outerWidth - withinOffset;
if (newOverRight < 0 || newOverRight < abs(overLeft)) {
position.left += myOffset + atOffset + offset;
}
} else if (overRight > 0) {
newOverLeft = position.left - data.collisionPosition.marginLeft + myOffset + atOffset + offset - offsetLeft;
if (newOverLeft > 0 || abs(newOverLeft) < overRight) {
position.left += myOffset + atOffset + offset;
}
}
},
top: function(position, data) {
var within = data.within,
withinOffset = within.offset.top + within.scrollTop,
outerHeight = within.height,
offsetTop = within.isWindow ? within.scrollTop : within.offset.top,
collisionPosTop = position.top - data.collisionPosition.marginTop,
overTop = collisionPosTop - offsetTop,
overBottom = collisionPosTop + data.collisionHeight - outerHeight - offsetTop,
top = data.my[1] === "top",
myOffset = top ? -data.elemHeight :
data.my[1] === "bottom" ?
data.elemHeight :
0,
atOffset = data.at[1] === "top" ?
data.targetHeight :
data.at[1] === "bottom" ? -data.targetHeight :
0,
offset = -2 * data.offset[1],
newOverTop,
newOverBottom;
if (overTop < 0) {
newOverBottom = position.top + myOffset + atOffset + offset + data.collisionHeight - outerHeight - withinOffset;
if ((position.top + myOffset + atOffset + offset) > overTop && (newOverBottom < 0 || newOverBottom < abs(overTop))) {
position.top += myOffset + atOffset + offset;
}
} else if (overBottom > 0) {
newOverTop = position.top - data.collisionPosition.marginTop + myOffset + atOffset + offset - offsetTop;
if ((position.top + myOffset + atOffset + offset) > overBottom && (newOverTop > 0 || abs(newOverTop) < overBottom)) {
position.top += myOffset + atOffset + offset;
}
}
}
},
flipfit: {
left: function() {
$.ui.position.flip.left.apply(this, arguments);
$.ui.position.fit.left.apply(this, arguments);
},
top: function() {
$.ui.position.flip.top.apply(this, arguments);
$.ui.position.fit.top.apply(this, arguments);
}
}
};
// fraction support test
(function() {
var testElement, testElementParent, testElementStyle, offsetLeft, i,
body = document.getElementsByTagName("body")[0],
div = document.createElement("div");
//Create a "fake body" for testing based on method used in jQuery.support
testElement = document.createElement(body ? "div" : "body");
testElementStyle = {
visibility: "hidden",
width: 0,
height: 0,
border: 0,
margin: 0,
background: "none"
};
if (body) {
$.extend(testElementStyle, {
position: "absolute",
left: "-1000px",
top: "-1000px"
});
}
for (i in testElementStyle) {
testElement.style[i] = testElementStyle[i];
}
testElement.appendChild(div);
testElementParent = body || document.documentElement;
testElementParent.insertBefore(testElement, testElementParent.firstChild);
div.style.cssText = "position: absolute; left: 10.7432222px;";
offsetLeft = $(div).offset().left;
$.support.offsetFractions = offsetLeft > 10 && offsetLeft < 11;
testElement.innerHTML = "";
testElementParent.removeChild(testElement);
})();
// DEPRECATED
if ($.uiBackCompat !== false) {
// offset option
(function($) {
var _position = $.fn.position;
$.fn.position = function(options) {
if (!options || !options.offset) {
return _position.call(this, options);
}
var offset = options.offset.split(" "),
at = options.at.split(" ");
if (offset.length === 1) {
offset[1] = offset[0];
}
if (/^\d/.test(offset[0])) {
offset[0] = "+" + offset[0];
}
if (/^\d/.test(offset[1])) {
offset[1] = "+" + offset[1];
}
if (at.length === 1) {
if (/left|center|right/.test(at[0])) {
at[1] = "center";
} else {
at[1] = at[0];
at[0] = "center";
}
}
return _position.call(this, $.extend(options, {
at: at[0] + offset[0] + " " + at[1] + offset[1],
offset: undefined
}));
};
}(jQuery));
}
}(jQuery));
(function($, undefined) {
// used to prevent race conditions with remote data sources
var requestIndex = 0;
$.widget("ui.autocomplete", {
version: "1.9.2",
defaultElement: "
",
options: {
appendTo: "body",
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
},
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;
this.isMultiLine = this._isMultiLine();
this.valueMethod = this.element[this.element.is("input,textarea") ? "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;
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 = $("
")
.addClass("ui-autocomplete")
.appendTo(this.document.find(this.options.appendTo || "body")[0])
.menu({
// custom key handling for now
input: $(),
// disable ARIA support, the live region takes care of that
role: null
})
.zIndex(this.element.zIndex() + 1)
.hide()
.data("menu");
this._on(this.menu.element, {
mousedown: function(event) {
// prevent moving focus out of the text field
event.preventDefault();
// IE doesn't prevent moving focus even with event.preventDefault()
// so we set a flag to know when we should ignore the blur event
this.cancelBlur = true;
this._delay(function() {
delete this.cancelBlur;
});
// clicking on the scrollbar causes focus to shift to the body
// but we can't detect a mouseup or a click immediately afterward
// so we have to track the next mousedown and close the menu if
// the user clicks somewhere outside of the autocomplete
var menuElement = this.menu.element[0];
if (!$(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) {
// #7024 - Prevent accidental activation of menu items in Firefox
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;
}
}
// back compat for _renderItem using item.autocomplete, via #7810
// TODO remove the fallback, see #8156
var item = ui.item.data("ui-autocomplete-item") || ui.item.data("item.autocomplete");
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) {
// back compat for _renderItem using item.autocomplete, via #7810
// TODO remove the fallback, see #8156
var item = ui.item.data("ui-autocomplete-item") || ui.item.data("item.autocomplete"),
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 = $("", {
role: "status",
"aria-live": "polite"
})
.addClass("ui-helper-hidden-accessible")
.insertAfter(this.element);
if ($.fn.bgiframe) {
this.menu.element.bgiframe();
}
// 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.document.find(value || "body")[0]);
}
if (key === "disabled" && value && this.xhr) {
this.xhr.abort();
}
},
_isMultiLine: function() {
// Textareas are always multi-line
if (this.element.is("textarea")) {
return true;
}
// Inputs are always single-line, even if inside a contentEditable element
// IE also treats inputs as contentEditable
if (this.element.is("input")) {
return false;
}
// All other element types are determined by whether or not they're contentEditable
return this.element.prop("isContentEditable");
},
_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 that = this,
index = ++requestIndex;
return function(content) {
if (index === requestIndex) {
that.__response(content);
}
that.pending--;
if (!that.pending) {
that.element.removeClass("ui-autocomplete-loading");
}
};
},
__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 $.extend({
label: item.label || item.value,
value: item.value || item.label
}, item);
});
},
_suggest: function(items) {
var ul = this.menu.element
.empty()
.zIndex(this.element.zIndex() + 1);
this._renderMenu(ul, items);
this.menu.refresh();
// size and position menu
ul.show();
this._resizeMenu();
ul.position($.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 $("- ")
.append($("").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", $.ui.autocomplete, {
options: {
messages: {
noResults: "No search results.",
results: function(amount) {
return amount + (amount > 1 ? " results are" : " result is") +
" available, use up and down arrow keys to navigate.";
}
}
},
__response: function(content) {
var message;
this._superApply(arguments);
if (this.options.disabled || this.cancelSearch) {
return;
}
if (content && content.length) {
message = this.options.messages.results(content.length);
} else {
message = this.options.messages.noResults;
}
this.liveRegion.text(message);
}
});
}(jQuery));
(function($, undefined) {
var mouseHandled = false;
$.widget("ui.menu", {
version: "1.9.2",
defaultElement: "
",
delay: 300,
options: {
icons: {
submenu: "ui-icon-carat-1-e"
},
menus: "ul",
position: {
my: "left top",
at: "right top"
},
role: "menu",
// callbacks
blur: null,
focus: null,
select: null
},
_create: function() {
this.activeMenu = this.element;
this.element
.uniqueId()
.addClass("ui-menu ui-widget ui-widget-content ui-corner-all")
.toggleClass("ui-menu-icons", !! this.element.find(".ui-icon").length)
.attr({
role: this.options.role,
tabIndex: 0
})
// need to catch all clicks on disabled menu
// not possible through _on
.bind("click" + this.eventNamespace, $.proxy(function(event) {
if (this.options.disabled) {
event.preventDefault();
}
}, this));
if (this.options.disabled) {
this.element
.addClass("ui-state-disabled")
.attr("aria-disabled", "true");
}
this._on({
// Prevent focus from sticking to links inside menu after clicking
// them (focus should always stay on UL during navigation).
"mousedown .ui-menu-item > a": function(event) {
event.preventDefault();
},
"click .ui-state-disabled > a": function(event) {
event.preventDefault();
},
"click .ui-menu-item:has(a)": function(event) {
var target = $(event.target).closest(".ui-menu-item");
if (!mouseHandled && target.not(".ui-state-disabled").length) {
mouseHandled = true;
this.select(event);
// Open submenu on click
if (target.has(".ui-menu").length) {
this.expand(event);
} else if (!this.element.is(":focus")) {
// Redirect focus to the menu
this.element.trigger("focus", [true]);
// If the active item is on the top level, let it stay active.
// Otherwise, blur the active item since it is no longer visible.
if (this.active && this.active.parents(".ui-menu").length === 1) {
clearTimeout(this.timer);
}
}
}
},
"mouseenter .ui-menu-item": function(event) {
var target = $(event.currentTarget);
// Remove ui-state-active class from siblings of the newly focused menu item
// to avoid a jump caused by adjacent elements both having a class with a border
target.siblings().children(".ui-state-active").removeClass("ui-state-active");
this.focus(event, target);
},
mouseleave: "collapseAll",
"mouseleave .ui-menu": "collapseAll",
focus: function(event, keepActiveItem) {
// If there's already an active item, keep it active
// If not, activate the first item
var item = this.active || this.element.children(".ui-menu-item").eq(0);
if (!keepActiveItem) {
this.focus(event, item);
}
},
blur: function(event) {
this._delay(function() {
if (!$.contains(this.element[0], this.document[0].activeElement)) {
this.collapseAll(event);
}
});
},
keydown: "_keydown"
});
this.refresh();
// Clicks outside of a menu collapse any open menus
this._on(this.document, {
click: function(event) {
if (!$(event.target).closest(".ui-menu").length) {
this.collapseAll(event);
}
// Reset the mouseHandled flag
mouseHandled = false;
}
});
},
_destroy: function() {
// Destroy (sub)menus
this.element
.removeAttr("aria-activedescendant")
.find(".ui-menu").andSelf()
.removeClass("ui-menu ui-widget ui-widget-content ui-corner-all ui-menu-icons")
.removeAttr("role")
.removeAttr("tabIndex")
.removeAttr("aria-labelledby")
.removeAttr("aria-expanded")
.removeAttr("aria-hidden")
.removeAttr("aria-disabled")
.removeUniqueId()
.show();
// Destroy menu items
this.element.find(".ui-menu-item")
.removeClass("ui-menu-item")
.removeAttr("role")
.removeAttr("aria-disabled")
.children("a")
.removeUniqueId()
.removeClass("ui-corner-all ui-state-hover")
.removeAttr("tabIndex")
.removeAttr("role")
.removeAttr("aria-haspopup")
.children().each(function() {
var elem = $(this);
if (elem.data("ui-menu-submenu-carat")) {
elem.remove();
}
});
// Destroy menu dividers
this.element.find(".ui-menu-divider").removeClass("ui-menu-divider ui-widget-content");
},
_keydown: function(event) {
var match, prev, character, skip, regex,
preventDefault = true;
function escape(value) {
return value.replace(/[\-\[\]{}()*+?.,\\\^$|#\s]/g, "\\$&");
}
switch (event.keyCode) {
case $.ui.keyCode.PAGE_UP:
this.previousPage(event);
break;
case $.ui.keyCode.PAGE_DOWN:
this.nextPage(event);
break;
case $.ui.keyCode.HOME:
this._move("first", "first", event);
break;
case $.ui.keyCode.END:
this._move("last", "last", event);
break;
case $.ui.keyCode.UP:
this.previous(event);
break;
case $.ui.keyCode.DOWN:
this.next(event);
break;
case $.ui.keyCode.LEFT:
this.collapse(event);
break;
case $.ui.keyCode.RIGHT:
if (this.active && !this.active.is(".ui-state-disabled")) {
this.expand(event);
}
break;
case $.ui.keyCode.ENTER:
case $.ui.keyCode.SPACE:
this._activate(event);
break;
case $.ui.keyCode.ESCAPE:
this.collapse(event);
break;
default:
preventDefault = false;
prev = this.previousFilter || "";
character = String.fromCharCode(event.keyCode);
skip = false;
clearTimeout(this.filterTimer);
if (character === prev) {
skip = true;
} else {
character = prev + character;
}
regex = new RegExp("^" + escape(character), "i");
match = this.activeMenu.children(".ui-menu-item").filter(function() {
return regex.test($(this).children("a").text());
});
match = skip && match.index(this.active.next()) !== -1 ?
this.active.nextAll(".ui-menu-item") :
match;
// If no matches on the current filter, reset to the last character pressed
// to move down the menu to the first item that starts with that character
if (!match.length) {
character = String.fromCharCode(event.keyCode);
regex = new RegExp("^" + escape(character), "i");
match = this.activeMenu.children(".ui-menu-item").filter(function() {
return regex.test($(this).children("a").text());
});
}
if (match.length) {
this.focus(event, match);
if (match.length > 1) {
this.previousFilter = character;
this.filterTimer = this._delay(function() {
delete this.previousFilter;
}, 1000);
} else {
delete this.previousFilter;
}
} else {
delete this.previousFilter;
}
}
if (preventDefault) {
event.preventDefault();
}
},
_activate: function(event) {
if (!this.active.is(".ui-state-disabled")) {
if (this.active.children("a[aria-haspopup='true']").length) {
this.expand(event);
} else {
this.select(event);
}
}
},
refresh: function() {
var menus,
icon = this.options.icons.submenu,
submenus = this.element.find(this.options.menus);
// Initialize nested menus
submenus.filter(":not(.ui-menu)")
.addClass("ui-menu ui-widget ui-widget-content ui-corner-all")
.hide()
.attr({
role: this.options.role,
"aria-hidden": "true",
"aria-expanded": "false"
})
.each(function() {
var menu = $(this),
item = menu.prev("a"),
submenuCarat = $("")
.addClass("ui-menu-icon ui-icon " + icon)
.data("ui-menu-submenu-carat", true);
item
.attr("aria-haspopup", "true")
.prepend(submenuCarat);
menu.attr("aria-labelledby", item.attr("id"));
});
menus = submenus.add(this.element);
// Don't refresh list items that are already adapted
menus.children(":not(.ui-menu-item):has(a)")
.addClass("ui-menu-item")
.attr("role", "presentation")
.children("a")
.uniqueId()
.addClass("ui-corner-all")
.attr({
tabIndex: -1,
role: this._itemRole()
});
// Initialize unlinked menu-items containing spaces and/or dashes only as dividers
menus.children(":not(.ui-menu-item)").each(function() {
var item = $(this);
// hyphen, em dash, en dash
if (!/[^\-—–\s]/.test(item.text())) {
item.addClass("ui-widget-content ui-menu-divider");
}
});
// Add aria-disabled attribute to any disabled menu item
menus.children(".ui-state-disabled").attr("aria-disabled", "true");
// If the active item has been removed, blur the menu
if (this.active && !$.contains(this.element[0], this.active[0])) {
this.blur();
}
},
_itemRole: function() {
return {
menu: "menuitem",
listbox: "option"
}[this.options.role];
},
focus: function(event, item) {
var nested, focused;
this.blur(event, event && event.type === "focus");
this._scrollIntoView(item);
this.active = item.first();
focused = this.active.children("a").addClass("ui-state-focus");
// Only update aria-activedescendant if there's a role
// otherwise we assume focus is managed elsewhere
if (this.options.role) {
this.element.attr("aria-activedescendant", focused.attr("id"));
}
// Highlight active parent menu item, if any
this.active
.parent()
.closest(".ui-menu-item")
.children("a:first")
.addClass("ui-state-active");
if (event && event.type === "keydown") {
this._close();
} else {
this.timer = this._delay(function() {
this._close();
}, this.delay);
}
nested = item.children(".ui-menu");
if (nested.length && (/^mouse/.test(event.type))) {
this._startOpening(nested);
}
this.activeMenu = item.parent();
this._trigger("focus", event, {
item: item
});
},
_scrollIntoView: function(item) {
var borderTop, paddingTop, offset, scroll, elementHeight, itemHeight;
if (this._hasScroll()) {
borderTop = parseFloat($.css(this.activeMenu[0], "borderTopWidth")) || 0;
paddingTop = parseFloat($.css(this.activeMenu[0], "paddingTop")) || 0;
offset = item.offset().top - this.activeMenu.offset().top - borderTop - paddingTop;
scroll = this.activeMenu.scrollTop();
elementHeight = this.activeMenu.height();
itemHeight = item.height();
if (offset < 0) {
this.activeMenu.scrollTop(scroll + offset);
} else if (offset + itemHeight > elementHeight) {
this.activeMenu.scrollTop(scroll + offset - elementHeight + itemHeight);
}
}
},
blur: function(event, fromFocus) {
if (!fromFocus) {
clearTimeout(this.timer);
}
if (!this.active) {
return;
}
this.active.children("a").removeClass("ui-state-focus");
this.active = null;
this._trigger("blur", event, {
item: this.active
});
},
_startOpening: function(submenu) {
clearTimeout(this.timer);
// Don't open if already open fixes a Firefox bug that caused a .5 pixel
// shift in the submenu position when mousing over the carat icon
if (submenu.attr("aria-hidden") !== "true") {
return;
}
this.timer = this._delay(function() {
this._close();
this._open(submenu);
}, this.delay);
},
_open: function(submenu) {
var position = $.extend({
of: this.active
}, this.options.position);
clearTimeout(this.timer);
this.element.find(".ui-menu").not(submenu.parents(".ui-menu"))
.hide()
.attr("aria-hidden", "true");
submenu
.show()
.removeAttr("aria-hidden")
.attr("aria-expanded", "true")
.position(position);
},
collapseAll: function(event, all) {
clearTimeout(this.timer);
this.timer = this._delay(function() {
// If we were passed an event, look for the submenu that contains the event
var currentMenu = all ? this.element :
$(event && event.target).closest(this.element.find(".ui-menu"));
// If we found no valid submenu ancestor, use the main menu to close all sub menus anyway
if (!currentMenu.length) {
currentMenu = this.element;
}
this._close(currentMenu);
this.blur(event);
this.activeMenu = currentMenu;
}, this.delay);
},
// With no arguments, closes the currently active menu - if nothing is active
// it closes all menus. If passed an argument, it will search for menus BELOW
_close: function(startMenu) {
if (!startMenu) {
startMenu = this.active ? this.active.parent() : this.element;
}
startMenu
.find(".ui-menu")
.hide()
.attr("aria-hidden", "true")
.attr("aria-expanded", "false")
.end()
.find("a.ui-state-active")
.removeClass("ui-state-active");
},
collapse: function(event) {
var newItem = this.active &&
this.active.parent().closest(".ui-menu-item", this.element);
if (newItem && newItem.length) {
this._close();
this.focus(event, newItem);
}
},
expand: function(event) {
var newItem = this.active &&
this.active
.children(".ui-menu ")
.children(".ui-menu-item")
.first();
if (newItem && newItem.length) {
this._open(newItem.parent());
// Delay so Firefox will not hide activedescendant change in expanding submenu from AT
this._delay(function() {
this.focus(event, newItem);
});
}
},
next: function(event) {
this._move("next", "first", event);
},
previous: function(event) {
this._move("prev", "last", event);
},
isFirstItem: function() {
return this.active && !this.active.prevAll(".ui-menu-item").length;
},
isLastItem: function() {
return this.active && !this.active.nextAll(".ui-menu-item").length;
},
_move: function(direction, filter, event) {
var next;
if (this.active) {
if (direction === "first" || direction === "last") {
next = this.active[direction === "first" ? "prevAll" : "nextAll"](".ui-menu-item")
.eq(-1);
} else {
next = this.active[direction + "All"](".ui-menu-item")
.eq(0);
}
}
if (!next || !next.length || !this.active) {
next = this.activeMenu.children(".ui-menu-item")[filter]();
}
this.focus(event, next);
},
nextPage: function(event) {
var item, base, height;
if (!this.active) {
this.next(event);
return;
}
if (this.isLastItem()) {
return;
}
if (this._hasScroll()) {
base = this.active.offset().top;
height = this.element.height();
this.active.nextAll(".ui-menu-item").each(function() {
item = $(this);
return item.offset().top - base - height < 0;
});
this.focus(event, item);
} else {
this.focus(event, this.activeMenu.children(".ui-menu-item")[!this.active ? "first" : "last"]());
}
},
previousPage: function(event) {
var item, base, height;
if (!this.active) {
this.next(event);
return;
}
if (this.isFirstItem()) {
return;
}
if (this._hasScroll()) {
base = this.active.offset().top;
height = this.element.height();
this.active.prevAll(".ui-menu-item").each(function() {
item = $(this);
return item.offset().top - base + height > 0;
});
this.focus(event, item);
} else {
this.focus(event, this.activeMenu.children(".ui-menu-item").first());
}
},
_hasScroll: function() {
return this.element.outerHeight() < this.element.prop("scrollHeight");
},
select: function(event) {
// TODO: It should never be possible to not have an active item at this
// point, but the tests don't trigger mouseenter before click.
this.active = this.active || $(event.target).closest(".ui-menu-item");
var ui = {
item: this.active
};
if (!this.active.has(".ui-menu").length) {
this.collapseAll(event, true);
}
this._trigger("select", event, ui);
}
});
}(jQuery));