/*
* jQuery UI Autocomplete 1.8.16
*
* Copyright 2011, AUTHORS.txt (http://jqueryui.com/about)
* Dual licensed under the MIT or GPL Version 2 licenses.
* http://jquery.org/license
*
* http://docs.jquery.com/UI/Autocomplete
*
* Depends:
* jquery.ui.core.js
* jquery.ui.widget.js
* jquery.ui.position.js
*/
(function ($, undefined) {
// used to prevent race conditions with remote data sources
var requestIndex = 0;
$.widget("ui.autocomplete", {
options: {
appendTo: "body",
autoFocus: false,
delay: 300,
minLength: 1,
position: {
my: "left top",
at: "left bottom",
collision: "none"
},
source: null
},
pending: 0,
_create: function () {
var self = this,
doc = this.element[0].ownerDocument,
suppressKeyPress;
this.element
.addClass("ui-autocomplete-input")
.attr("autocomplete", "off")
// TODO verify these actually work as intended
.attr({
role: "textbox",
"aria-autocomplete": "list",
"aria-haspopup": "true"
})
.bind("keydown.autocomplete", function (event) {
if (self.options.disabled || self.element.propAttr("readOnly")) {
return;
}
suppressKeyPress = false;
var keyCode = $.ui.keyCode;
switch (event.keyCode) {
case keyCode.PAGE_UP:
self._move("previousPage", event);
break;
case keyCode.PAGE_DOWN:
self._move("nextPage", event);
break;
case keyCode.UP:
self._move("previous", event);
// prevent moving cursor to beginning of text field in some browsers
event.preventDefault();
break;
case keyCode.DOWN:
self._move("next", event);
// prevent moving cursor to end of text field in some browsers
event.preventDefault();
break;
case keyCode.ENTER:
case keyCode.NUMPAD_ENTER:
// when menu is open and has focus
if (self.menu.active) {
// #6055 - Opera still allows the keypress to occur
// which causes forms to submit
suppressKeyPress = true;
event.preventDefault();
}
//passthrough - ENTER and TAB both select the current element
case keyCode.TAB:
if (!self.menu.active) {
return;
}
self.menu.select(event);
break;
case keyCode.ESCAPE:
self.element.val(self.term);
self.close(event);
break;
default:
// keypress is triggered before the input value is changed
clearTimeout(self.searching);
self.searching = setTimeout(function () {
// only search if the value has changed
if (self.term != self.element.val()) {
self.selectedItem = null;
self.search(null, event);
}
}, self.options.delay);
break;
}
})
.bind("keypress.autocomplete", function (event) {
if (suppressKeyPress) {
suppressKeyPress = false;
event.preventDefault();
}
})
.bind("focus.autocomplete", function () {
if (self.options.disabled) {
return;
}
self.selectedItem = null;
self.previous = self.element.val();
})
.bind("blur.autocomplete", function (event) {
if (self.options.disabled) {
return;
}
self._change(event);
clearTimeout(self.searching);
// clicks on the menu (or a button to trigger a search) will cause a blur event
self.closing = setTimeout(function () {
self.close(event);
}, 150);
});
this._initSource();
this.response = function () {
return self._response.apply(self, arguments);
};
this.menu = $("<ul></ul>")
.addClass("ui-autocomplete")
.appendTo($(this.options.appendTo || "body", doc)[0])
// prevent the close-on-blur in case of a "slow" click on the menu (long mousedown)
.mousedown(function (event) {
// 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 = self.menu.element[0];
if (!$(event.target).closest(".ui-menu-item").length) {
setTimeout(function () {
$(document).one('mousedown', function (event) {
if (event.target !== self.element[0] &&
event.target !== menuElement &&
!$.ui.contains(menuElement, event.target)) {
self.close();
}
});
}, 1);
}
// use another timeout to make sure the blur-event-handler on the input was already triggered
setTimeout(function () {
clearTimeout(self.closing);
}, 13);
})
.menu({
focus: function (event, ui) {
var item = ui.item.data("item.autocomplete");
if (false !== self._trigger("focus", event, { item: item })) {
// use value to match what will end up in the input, if it was a key event
if (/^key/.test(event.originalEvent.type)) {
self.element.val(item.value);
}
}
},
selected: function (event, ui) {
var item = ui.item.data("item.autocomplete"),
previous = self.previous;
// only trigger when focus was lost (click on menu)
if (self.element[0] !== doc.activeElement) {
self.element.focus();
self.previous = previous;
// #6109 - IE triggers two focus events and the second
// is asynchronous, so we need to reset the previous
// term synchronously and asynchronously :-(
setTimeout(function () {
self.previous = previous;
self.selectedItem = item;
}, 1);
}
if (false !== self._trigger("select", event, { item: item })) {
self.element.val(item.value);
}
// reset the term after the select event
// this allows custom select handling to work properly
self.term = self.element.val();
self.close(event);
self.selectedItem = item;
},
blur: function (event, ui) {
// don't set the value of the text field if it's already correct
// this prevents moving the cursor unnecessarily
if (self.menu.element.is(":visible") &&
(self.element.val() !== self.term)) {
self.element.val(self.term);
}
}
})
.zIndex(this.element.zIndex() + 1)
// workaround for jQuery bug #5781 http://dev.jquery.com/ticket/5781
.css({ top: 0, left: 0 })
.hide()
.data("menu");
if ($.fn.bgiframe) {
this.menu.element.bgiframe();
}
},
destroy: function () {
this.element
.removeClass("ui-autocomplete-input")
.removeAttr("autocomplete")
.removeAttr("role")
.removeAttr("aria-autocomplete")
.removeAttr("aria-haspopup");
this.menu.element.remove();
$.Widget.prototype.destroy.call(this);
},
_setOption: function (key, value) {
$.Widget.prototype._setOption.apply(this, arguments);
if (key === "source") {
this._initSource();
}
if (key === "appendTo") {
this.menu.element.appendTo($(value || "body", this.element[0].ownerDocument)[0])
}
if (key === "disabled" && value && this.xhr) {
this.xhr.abort();
}
},
_initSource: function () {
var self = this,
array,
url;
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 (self.xhr) {
self.xhr.abort();
}
self.xhr = $.ajax({
url: url,
data: request,
dataType: "json",
autocompleteRequest: ++requestIndex,
success: function (data, status) {
if (this.autocompleteRequest === requestIndex) {
response(data);
}
},
error: function () {
if (this.autocompleteRequest === requestIndex) {
response([]);
}
}
});
};
} else {
this.source = this.options.source;
}
},
search: function (value, event) {
value = value != null ? value : this.element.val();
// always save the actual value, not the one passed as an argument
this.term = this.element.val();
if (value.length < this.options.minLength) {
return this.close(event);
}
clearTimeout(this.closing);
if (this._trigger("search", event) === false) {
return;
}
return this._search(value);
},
_search: function (value) {
this.pending++;
this.element.addClass("ui-autocomplete-loading");
this.source({ term: value }, this.response);
},
_response: function (content) {
if (!this.options.disabled && content && content.length) {
content = this._normalize(content);
this._suggest(content);
this._trigger("open");
} else {
this.close();
}
this.pending--;
if (!this.pending) {
this.element.removeClass("ui-autocomplete-loading");
}
},
close: function (event) {
clearTimeout(this.closing);
if (this.menu.element.is(":visible")) {
this.menu.element.hide();
this.menu.deactivate();
this._trigger("close", event);
}
},
_change: function (event) {
if (this.previous !== this.element.val()) {
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 $.extend({
label: item.label || item.value,
value: item.value || item.label
}, item);
});
},
_suggest: function (items) {
var ul = this.menu.element
.empty()
.zIndex(this.element.zIndex() + 1);
this._renderMenu(ul, items);
// TODO refresh should check if the active item is still in the dom, removing the need for a manual deactivate
this.menu.deactivate();
this.menu.refresh();
// size and position menu
ul.show();
this._resizeMenu();
ul.position($.extend({
of: this.element
}, this.options.position));
if (this.options.autoFocus) {
this.menu.next(new $.Event("mouseover"));
}
},
_resizeMenu: function () {
var ul = this.menu.element;
ul.outerWidth(Math.max(
ul.width("").outerWidth(),
this.element.outerWidth()
));
},
_renderMenu: function (ul, items) {
var self = this;
$.each(items, function (index, item) {
self._renderItem(ul, item);
});
},
_renderItem: function (ul, item) {
return $("<li></li>")
.data("item.autocomplete", item)
.append($("<a></a>").text(item.label))
.appendTo(ul);
},
_move: function (direction, event) {
if (!this.menu.element.is(":visible")) {
this.search(null, event);
return;
}
if (this.menu.first() && /^previous/.test(direction) ||
this.menu.last() && /^next/.test(direction)) {
this.element.val(this.term);
this.menu.deactivate();
return;
}
this.menu[direction](event);
},
widget: function () {
return this.menu.element;
}
});
$.extend($.ui.autocomplete, {
escapeRegex: function (value) {
return value.replace(/[-[\]{}()*+?.,\\^$|#\s]/g, "\\$&");
},
filter: function (array, term) {
var matcher = new RegExp($.ui.autocomplete.escapeRegex(term), "i");
return $.grep(array, function (value) {
return matcher.test(value.label || value.value || value);
});
}
});
} (jQuery));
/*
* jQuery UI Menu (not officially released)
*
* This widget isn't yet finished and the API is subject to change. We plan to finish
* it for the next release. You're welcome to give it a try anyway and give us feedback,
* as long as you're okay with migrating your code later on. We can help with that, too.
*
* Copyright 2010, AUTHORS.txt (http://jqueryui.com/about)
* Dual licensed under the MIT or GPL Version 2 licenses.
* http://jquery.org/license
*
* http://docs.jquery.com/UI/Menu
*
* Depends:
* jquery.ui.core.js
* jquery.ui.widget.js
*/
(function($) {
$.widget("ui.menu", {
_create: function() {
var self = this;
this.element
.addClass("ui-menu ui-widget ui-widget-content ui-corner-all")
.attr({
role: "listbox",
"aria-activedescendant": "ui-active-menuitem"
})
.click(function( event ) {
if ( !$( event.target ).closest( ".ui-menu-item a" ).length ) {
return;
}
// temporary
event.preventDefault();
self.select( event );
});
this.refresh();
},
refresh: function() {
var self = this;
// don't refresh list items that are already adapted
var items = this.element.children("li:not(.ui-menu-item):has(a)")
.addClass("ui-menu-item")
.attr("role", "menuitem");
items.children("a")
.addClass("ui-corner-all")
.attr("tabindex", -1)
// mouseenter doesn't work with event delegation
.mouseenter(function( event ) {
self.activate( event, $(this).parent() );
})
.mouseleave(function() {
self.deactivate();
});
},
activate: function( event, item ) {
this.deactivate();
if (this.hasScroll()) {
var offset = item.offset().top - this.element.offset().top,
scroll = this.element.scrollTop(),
elementHeight = this.element.height();
if (offset < 0) {
this.element.scrollTop( scroll + offset);
} else if (offset >= elementHeight) {
this.element.scrollTop( scroll + offset - elementHeight + item.height());
}
}
this.active = item.eq(0)
.children("a")
.addClass("ui-state-hover")
.attr("id", "ui-active-menuitem")
.end();
this._trigger("focus", event, { item: item });
},
deactivate: function() {
if (!this.active) { return; }
this.active.children("a")
.removeClass("ui-state-hover")
.removeAttr("id");
this._trigger("blur");
this.active = null;
},
next: function(event) {
this.move("next", ".ui-menu-item:first", event);
},
previous: function(event) {
this.move("prev", ".ui-menu-item:last", event);
},
first: function() {
return this.active && !this.active.prevAll(".ui-menu-item").length;
},
last: function() {
return this.active && !this.active.nextAll(".ui-menu-item").length;
},
move: function(direction, edge, event) {
if (!this.active) {
this.activate(event, this.element.children(edge));
return;
}
var next = this.active[direction + "All"](".ui-menu-item").eq(0);
if (next.length) {
this.activate(event, next);
} else {
this.activate(event, this.element.children(edge));
}
},
// TODO merge with previousPage
nextPage: function(event) {
if (this.hasScroll()) {
// TODO merge with no-scroll-else
if (!this.active || this.last()) {
this.activate(event, this.element.children(".ui-menu-item:first"));
return;
}
var base = this.active.offset().top,
height = this.element.height(),
result = this.element.children(".ui-menu-item").filter(function() {
var close = $(this).offset().top - base - height + $(this).height();
// TODO improve approximation
return close < 10 && close > -10;
});
// TODO try to catch this earlier when scrollTop indicates the last page anyway
if (!result.length) {
result = this.element.children(".ui-menu-item:last");
}
this.activate(event, result);
} else {
this.activate(event, this.element.children(".ui-menu-item")
.filter(!this.active || this.last() ? ":first" : ":last"));
}
},
// TODO merge with nextPage
previousPage: function(event) {
if (this.hasScroll()) {
// TODO merge with no-scroll-else
if (!this.active || this.first()) {
this.activate(event, this.element.children(".ui-menu-item:last"));
return;
}
var base = this.active.offset().top,
height = this.element.height();
result = this.element.children(".ui-menu-item").filter(function() {
var close = $(this).offset().top - base + height - $(this).height();
// TODO improve approximation
return close < 10 && close > -10;
});
// TODO try to catch this earlier when scrollTop indicates the last page anyway
if (!result.length) {
result = this.element.children(".ui-menu-item:first");
}
this.activate(event, result);
} else {
this.activate(event, this.element.children(".ui-menu-item")
.filter(!this.active || this.first() ? ":last" : ":first"));
}
},
hasScroll: function() {
return this.element.height() < this.element[ $.fn.prop ? "prop" : "attr" ]("scrollHeight");
},
select: function( event ) {
this._trigger("selected", event, { item: this.active });
}
});
}(jQuery));
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