WordPress/wp-includes/js/jquery/ui/autocomplete.min.js

/*!
 * jQuery UI Autocomplete 1.11.4
 * http://jqueryui.com
 *
 * Copyright jQuery Foundation and other contributors
 * Released under the MIT license.
 * http://jquery.org/license
 *
 * http://api.jqueryui.com/autocomplete/
 */
!function(a){"function"==typeof define&&define.amd?
// AMD. Register as an anonymous module.
define(["jquery","./core","./widget","./position","./menu"],a):
// Browser globals
a(jQuery)}(function(a){
// 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.
return a.widget("ui.autocomplete",{version:"1.11.4",defaultElement:"<input>",options:{appendTo:null,autoFocus:!1,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 b,c,d,e=this.element[0].nodeName.toLowerCase(),f="textarea"===e,g="input"===e;this.isMultiLine=f?!0:g?!1:
// All other element types are determined by whether or not they're contentEditable
this.element.prop("isContentEditable"),this.valueMethod=this.element[f||g?"val":"text"],this.isNewMenu=!0,this.element.addClass("ui-autocomplete-input").attr("autocomplete","off"),this._on(this.element,{keydown:function(e){if(this.element.prop("readOnly"))return b=!0,d=!0,void(c=!0);b=!1,d=!1,c=!1;var f=a.ui.keyCode;switch(e.keyCode){case f.PAGE_UP:b=!0,this._move("previousPage",e);break;case f.PAGE_DOWN:b=!0,this._move("nextPage",e);break;case f.UP:b=!0,this._keyEvent("previous",e);break;case f.DOWN:b=!0,this._keyEvent("next",e);break;case f.ENTER:
// when menu is open and has focus
this.menu.active&&(b=!0,e.preventDefault(),this.menu.select(e));break;case f.TAB:this.menu.active&&this.menu.select(e);break;case f.ESCAPE:this.menu.element.is(":visible")&&(this.isMultiLine||this._value(this.term),this.close(e),
// Different browsers have different default behavior for escape
// Single press can mean undo or clear
// Double press in IE means clear the whole form
e.preventDefault());break;default:c=!0,
// search timeout should be triggered before the input value is changed
this._searchTimeout(e)}},keypress:function(d){if(b)return b=!1,void((!this.isMultiLine||this.menu.element.is(":visible"))&&d.preventDefault());if(!c){
// replicate some key handlers to allow them to repeat in Firefox and Opera
var e=a.ui.keyCode;switch(d.keyCode){case e.PAGE_UP:this._move("previousPage",d);break;case e.PAGE_DOWN:this._move("nextPage",d);break;case e.UP:this._keyEvent("previous",d);break;case e.DOWN:this._keyEvent("next",d)}}},input:function(a){return d?(d=!1,void a.preventDefault()):void this._searchTimeout(a)},focus:function(){this.selectedItem=null,this.previous=this._value()},blur:function(a){return this.cancelBlur?void delete this.cancelBlur:(clearTimeout(this.searching),this.close(a),void this._change(a))}}),this._initSource(),this.menu=a("<ul>").addClass("ui-autocomplete ui-front").appendTo(this._appendTo()).menu({
// disable ARIA support, the live region takes care of that
role:null}).hide().menu("instance"),this._on(this.menu.element,{mousedown:function(b){
// prevent moving focus out of the text field
b.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=!0,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 c=this.menu.element[0];a(b.target).closest(".ui-menu-item").length||this._delay(function(){var b=this;this.document.one("mousedown",function(d){d.target===b.element[0]||d.target===c||a.contains(c,d.target)||b.close()})})},menufocus:function(b,c){var d,e;
// support: Firefox
// Prevent accidental activation of menu items in Firefox (#7024 #9118)
// support: Firefox
// Prevent accidental activation of menu items in Firefox (#7024 #9118)
// Announce the value in the liveRegion
return this.isNewMenu&&(this.isNewMenu=!1,b.originalEvent&&/^mouse/.test(b.originalEvent.type))?(this.menu.blur(),void this.document.one("mousemove",function(){a(b.target).trigger(b.originalEvent)})):(e=c.item.data("ui-autocomplete-item"),!1!==this._trigger("focus",b,{item:e})&&b.originalEvent&&/^key/.test(b.originalEvent.type)&&this._value(e.value),d=c.item.attr("aria-label")||e.value,void(d&&a.trim(d).length&&(this.liveRegion.children().hide(),a("<div>").text(d).appendTo(this.liveRegion))))},menuselect:function(a,b){var c=b.item.data("ui-autocomplete-item"),d=this.previous;
// only trigger when focus was lost (click on menu)
this.element[0]!==this.document[0].activeElement&&(this.element.focus(),this.previous=d,
// #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=d,this.selectedItem=c})),!1!==this._trigger("select",a,{item:c})&&this._value(c.value),
// reset the term after the select event
// this allows custom select handling to work properly
this.term=this._value(),this.close(a),this.selectedItem=c}}),this.liveRegion=a("<span>",{role:"status","aria-live":"assertive","aria-relevant":"additions"}).addClass("ui-helper-hidden-accessible").appendTo(this.document[0].body),
// 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(a,b){this._super(a,b),"source"===a&&this._initSource(),"appendTo"===a&&this.menu.element.appendTo(this._appendTo()),"disabled"===a&&b&&this.xhr&&this.xhr.abort()},_appendTo:function(){var b=this.options.appendTo;return b&&(b=b.jquery||b.nodeType?a(b):this.document.find(b).eq(0)),b&&b[0]||(b=this.element.closest(".ui-front")),b.length||(b=this.document[0].body),b},_initSource:function(){var b,c,d=this;a.isArray(this.options.source)?(b=this.options.source,this.source=function(c,d){d(a.ui.autocomplete.filter(b,c.term))}):"string"==typeof this.options.source?(c=this.options.source,this.source=function(b,e){d.xhr&&d.xhr.abort(),d.xhr=a.ajax({url:c,data:b,dataType:"json",success:function(a){e(a)},error:function(){e([])}})}):this.source=this.options.source},_searchTimeout:function(a){clearTimeout(this.searching),this.searching=this._delay(function(){
// Search if the value has changed, or if the user retypes the same value (see #7434)
var b=this.term===this._value(),c=this.menu.element.is(":visible"),d=a.altKey||a.ctrlKey||a.metaKey||a.shiftKey;(!b||b&&!c&&!d)&&(this.selectedItem=null,this.search(null,a))},this.options.delay)},search:function(a,b){
// always save the actual value, not the one passed as an argument
return a=null!=a?a:this._value(),this.term=this._value(),a.length<this.options.minLength?this.close(b):this._trigger("search",b)!==!1?this._search(a):void 0},_search:function(a){this.pending++,this.element.addClass("ui-autocomplete-loading"),this.cancelSearch=!1,this.source({term:a},this._response())},_response:function(){var b=++this.requestIndex;return a.proxy(function(a){b===this.requestIndex&&this.__response(a),this.pending--,this.pending||this.element.removeClass("ui-autocomplete-loading")},this)},__response:function(a){a&&(a=this._normalize(a)),this._trigger("response",null,{content:a}),!this.options.disabled&&a&&a.length&&!this.cancelSearch?(this._suggest(a),this._trigger("open")):
// use ._close() instead of .close() so we don't cancel future searches
this._close()},close:function(a){this.cancelSearch=!0,this._close(a)},_close:function(a){this.menu.element.is(":visible")&&(this.menu.element.hide(),this.menu.blur(),this.isNewMenu=!0,this._trigger("close",a))},_change:function(a){this.previous!==this._value()&&this._trigger("change",a,{item:this.selectedItem})},_normalize:function(b){
// assume all items have the right format when the first item is complete
// assume all items have the right format when the first item is complete
return b.length&&b[0].label&&b[0].value?b:a.map(b,function(b){return"string"==typeof b?{label:b,value:b}:a.extend({},b,{label:b.label||b.value,value:b.value||b.label})})},_suggest:function(b){var c=this.menu.element.empty();this._renderMenu(c,b),this.isNewMenu=!0,this.menu.refresh(),
// size and position menu
c.show(),this._resizeMenu(),c.position(a.extend({of:this.element},this.options.position)),this.options.autoFocus&&this.menu.next()},_resizeMenu:function(){var a=this.menu.element;a.outerWidth(Math.max(
// Firefox wraps long text (possibly a rounding bug)
// so we add 1px to avoid the wrapping (#7513)
a.width("").outerWidth()+1,this.element.outerWidth()))},_renderMenu:function(b,c){var d=this;a.each(c,function(a,c){d._renderItemData(b,c)})},_renderItemData:function(a,b){return this._renderItem(a,b).data("ui-autocomplete-item",b)},_renderItem:function(b,c){return a("<li>").text(c.label).appendTo(b)},_move:function(a,b){return this.menu.element.is(":visible")?this.menu.isFirstItem()&&/^previous/.test(a)||this.menu.isLastItem()&&/^next/.test(a)?(this.isMultiLine||this._value(this.term),void this.menu.blur()):void this.menu[a](b):void this.search(null,b)},widget:function(){return this.menu.element},_value:function(){return this.valueMethod.apply(this.element,arguments)},_keyEvent:function(a,b){(!this.isMultiLine||this.menu.element.is(":visible"))&&(this._move(a,b),
// prevents moving cursor to beginning/end of the text field in some browsers
b.preventDefault())}}),a.extend(a.ui.autocomplete,{escapeRegex:function(a){return a.replace(/[\-\[\]{}()*+?.,\\\^$|#\s]/g,"\\$&")},filter:function(b,c){var d=new RegExp(a.ui.autocomplete.escapeRegex(c),"i");return a.grep(b,function(a){return d.test(a.label||a.value||a)})}}),a.widget("ui.autocomplete",a.ui.autocomplete,{options:{messages:{noResults:"No search results.",results:function(a){return a+(a>1?" results are":" result is")+" available, use up and down arrow keys to navigate."}}},__response:function(b){var c;this._superApply(arguments),this.options.disabled||this.cancelSearch||(c=b&&b.length?this.options.messages.results(b.length):this.options.messages.noResults,this.liveRegion.children().hide(),a("<div>").text(c).appendTo(this.liveRegion))}}),a.ui.autocomplete});