1- /*
2- * jQuery Autocomplete plugin 1.1
3- *
4- * Copyright (c) 2009 Jörn Zaefferer
5- *
6- * Dual licensed under the MIT and GPL licenses:
7- * http://www.opensource.org/licenses/mit-license.php
8- * http://www.gnu.org/licenses/gpl.html
9- *
10- * Revision: $Id: jquery.autocomplete.js 15 2009-08-22 10:30:27Z joern.zaefferer $
11- */
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'|||function|if|var|return|length|||||||||||||||||||||||||else||data|active|this|list|false|true|width|value|element|ACTIVE|each|toLowerCase|val|result|Autocompleter|visible|case|null|addClass|break|multipleSeparator|css|target|moveSelect|typeof|max|url|hide||bind|onChange||trigger|trimWords|for|multiple|selection|autocomplete|offsetHeight|scrollTop|trim|preventDefault|populate|matchSubset|cacheLength|removeClass|add|size|search|hideResultsNow|lastWord|slice|flush|unbind|stopLoading|arguments|matchCase|term|extend|formatMatch|matchContains|undefined|highlight|formatResult|parse|string|selectionStart|scroll|scrollHeight|mouseDownOnSelect|autoFill|progress|start|delay|document|li|new|findValueCallback|setTimeout|clearTimeout|appendTo|formatItem|needsInit|defaults|push|continue|left|selectFirst|browser|selectCurrent|show|request|replace|split|unautocomplete||loadingClass||setOptions|minChars|teststring|flushCache|character|createTextRange|fn|textLength|selected|in|top|filter|ac_data|fillList|limitNumberOfItems|BACKSPACE|movePosition|PAGEDOWN|click|hideResults|LI|focus|nodeName|PAGEUP|body|COMMA|init|empty|pageDown|ESC|pageUp|next|RETURN|ol|nullData|indexOf|TAB|strong|gi|maxHeight|keyCode|DEL|padding|resultsClass|inputClass|parseInt|DOWN|emptyList|form|dataType|bgiframe|opera|UP|extraParams|prev|load|Select|||display|mustMatch|substring||end|receiveData|text|Cache|orig|selectionEnd|join|setSelectionRange|select|remove|right|height|style|msie|overflow|off|offset|current|attr|is|find|ac_even|html|innerHeight|clientHeight|parentNode|tagName|while|mouseup|mousedown|index|blur|toUpperCase|mouseover|ul|188|default|absolute|position|div|ac_over|substr|ac_odd|charAt|word|180|RegExp|100|switch|400|auto|ac_loading|ac_results||ac_input|keydown|keypress|success|submit||limit|150|name|port|abort|mode|ajax|Date|timestamp|200|map|jQuery|createRange|moveEnd|moveStart|collapse|move' . split ( '|' ) , 0 , { } ) )
1+ ( function ( ) {
2+ function query ( selector , root ) {
3+ return ( root || document ) . querySelector ( selector ) ;
4+ }
5+
6+ function ready ( callback ) {
7+ if ( document . readyState === "loading" ) {
8+ document . addEventListener ( "DOMContentLoaded" , callback , { once : true } ) ;
9+ } else {
10+ callback ( ) ;
11+ }
12+ }
13+
14+ function createAutocomplete ( input ) {
15+ var form = input . form ;
16+ var results = document . createElement ( "div" ) ;
17+ var list = document . createElement ( "ul" ) ;
18+ var requestTimer = null ;
19+ var controller = null ;
20+ var items = [ ] ;
21+ var activeIndex = - 1 ;
22+ var blurTimer = null ;
23+
24+ if ( ! form ) return ;
25+
26+ results . className = "ac_results" ;
27+ results . hidden = true ;
28+ results . setAttribute ( "role" , "listbox" ) ;
29+ results . id = input . id + "_results" ;
30+ list . setAttribute ( "role" , "presentation" ) ;
31+ results . appendChild ( list ) ;
32+ input . setAttribute ( "autocomplete" , "off" ) ;
33+ input . setAttribute ( "aria-autocomplete" , "list" ) ;
34+ input . setAttribute ( "aria-controls" , results . id ) ;
35+ input . setAttribute ( "aria-expanded" , "false" ) ;
36+ form . appendChild ( results ) ;
37+
38+ function syncResultsWidth ( ) {
39+ results . style . width = input . offsetWidth + "px" ;
40+ }
41+
42+ function hideResults ( ) {
43+ results . hidden = true ;
44+ input . setAttribute ( "aria-expanded" , "false" ) ;
45+ input . removeAttribute ( "aria-activedescendant" ) ;
46+ activeIndex = - 1 ;
47+ items = [ ] ;
48+ list . innerHTML = "" ;
49+ }
50+
51+ function setActive ( index ) {
52+ if ( ! items . length ) return ;
53+ activeIndex = ( index + items . length ) % items . length ;
54+ items . forEach ( function ( item , itemIndex ) {
55+ item . element . classList . toggle ( "ac_over" , itemIndex === activeIndex ) ;
56+ } ) ;
57+ input . setAttribute ( "aria-activedescendant" , items [ activeIndex ] . element . id ) ;
58+ }
59+
60+ function selectItem ( item ) {
61+ input . value = item . values [ 1 ] ;
62+ window . location . href = item . values [ 3 ] ;
63+ }
64+
65+ function renderItems ( lines ) {
66+ syncResultsWidth ( ) ;
67+ list . innerHTML = "" ;
68+ items = lines . map ( function ( line , index ) {
69+ var values = line . split ( "," ) ;
70+ var element = document . createElement ( "li" ) ;
71+ var label = document . createElement ( "span" ) ;
72+ var namespace = document . createElement ( "small" ) ;
73+
74+ element . id = results . id + "_item_" + index ;
75+ element . setAttribute ( "role" , "option" ) ;
76+ element . className = index % 2 === 0 ? "ac_even" : "ac_odd" ;
77+ label . textContent = values [ 0 ] ;
78+ element . appendChild ( label ) ;
79+
80+ if ( values [ 1 ] !== "" ) {
81+ namespace . textContent = "(" + values [ 1 ] + ")" ;
82+ element . appendChild ( document . createTextNode ( " " ) ) ;
83+ element . appendChild ( namespace ) ;
84+ }
85+
86+ element . addEventListener ( "mouseenter" , function ( ) {
87+ setActive ( index ) ;
88+ } ) ;
89+ element . addEventListener ( "mousedown" , function ( event ) {
90+ event . preventDefault ( ) ;
91+ selectItem ( items [ index ] ) ;
92+ } ) ;
93+
94+ list . appendChild ( element ) ;
95+
96+ return { element : element , values : values } ;
97+ } ) ;
98+
99+ if ( items . length ) {
100+ results . hidden = false ;
101+ input . setAttribute ( "aria-expanded" , "true" ) ;
102+ setActive ( 0 ) ;
103+ } else {
104+ hideResults ( ) ;
105+ }
106+ }
107+
108+ function fetchResults ( term ) {
109+ if ( controller ) controller . abort ( ) ;
110+ controller = new AbortController ( ) ;
111+ input . classList . add ( "ac_loading" ) ;
112+
113+ fetch (
114+ form . action +
115+ "?q=" +
116+ encodeURIComponent ( term ) +
117+ "&_=" +
118+ new Date ( ) . getTime ( ) ,
119+ {
120+ headers : {
121+ "X-Requested-With" : "XMLHttpRequest"
122+ } ,
123+ signal : controller . signal
124+ }
125+ )
126+ . then ( function ( response ) {
127+ return response . text ( ) ;
128+ } )
129+ . then ( function ( text ) {
130+ var lines = text
131+ . split ( "\n" )
132+ . map ( function ( line ) {
133+ return line . trim ( ) ;
134+ } )
135+ . filter ( Boolean ) ;
136+
137+ renderItems ( lines ) ;
138+ } )
139+ . catch ( function ( error ) {
140+ if ( error . name !== "AbortError" ) hideResults ( ) ;
141+ } )
142+ . finally ( function ( ) {
143+ input . classList . remove ( "ac_loading" ) ;
144+ } ) ;
145+ }
146+
147+ input . addEventListener ( "input" , function ( ) {
148+ clearTimeout ( requestTimer ) ;
149+ if ( blurTimer ) clearTimeout ( blurTimer ) ;
150+
151+ if ( ! input . value . trim ( ) ) {
152+ hideResults ( ) ;
153+ return ;
154+ }
155+
156+ requestTimer = setTimeout ( function ( ) {
157+ fetchResults ( input . value . trim ( ) ) ;
158+ } , 200 ) ;
159+ } ) ;
160+
161+ input . addEventListener ( "keydown" , function ( event ) {
162+ if ( results . hidden && ( event . key === "ArrowDown" || event . key === "ArrowUp" ) ) {
163+ if ( ! input . value . trim ( ) ) return ;
164+ fetchResults ( input . value . trim ( ) ) ;
165+ return ;
166+ }
167+
168+ if ( event . key === "ArrowDown" ) {
169+ event . preventDefault ( ) ;
170+ setActive ( activeIndex + 1 ) ;
171+ } else if ( event . key === "ArrowUp" ) {
172+ event . preventDefault ( ) ;
173+ setActive ( activeIndex - 1 ) ;
174+ } else if ( event . key === "Enter" ) {
175+ if ( activeIndex >= 0 && items [ activeIndex ] ) {
176+ event . preventDefault ( ) ;
177+ selectItem ( items [ activeIndex ] ) ;
178+ }
179+ } else if ( event . key === "Escape" ) {
180+ hideResults ( ) ;
181+ }
182+ } ) ;
183+
184+ input . addEventListener ( "blur" , function ( ) {
185+ blurTimer = setTimeout ( hideResults , 150 ) ;
186+ } ) ;
187+
188+ input . addEventListener ( "focus" , function ( ) {
189+ syncResultsWidth ( ) ;
190+ if ( items . length ) {
191+ results . hidden = false ;
192+ input . setAttribute ( "aria-expanded" , "true" ) ;
193+ }
194+ } ) ;
195+
196+ document . addEventListener ( "click" , function ( event ) {
197+ if ( ! form . contains ( event . target ) ) hideResults ( ) ;
198+ } ) ;
199+
200+ window . addEventListener ( "resize" , syncResultsWidth ) ;
201+ syncResultsWidth ( ) ;
202+ }
203+
204+ ready ( function ( ) {
205+ var input = query ( "#search_box" ) ;
206+ if ( input ) createAutocomplete ( input ) ;
207+ } ) ;
208+ } ) ( ) ;
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