Mercurial > hg > Members > nobuyasu > TwitterBootstrap

comparison assets/js/bootstrap-typeahead.js @ 3:902636e4a800 draft

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
move some files
author Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
date Wed, 19 Sep 2012 22:33:03 +0900
parents js/bootstrap-typeahead.js@cfa3e2e51af7
children
comparison
equal deleted inserted replaced
2:144c93c1c71c 3:902636e4a800
1 /* =============================================================
2 * bootstrap-typeahead.js v2.1.1
3 * http://twitter.github.com/bootstrap/javascript.html#typeahead
4 * =============================================================
5 * Copyright 2012 Twitter, Inc.
6 *
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
10 *
11 * http://www.apache.org/licenses/LICENSE-2.0
12 *
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
18 * ============================================================ */
19
20
21 !function($){
22
23 "use strict"; // jshint ;_;
24
25
26 /* TYPEAHEAD PUBLIC CLASS DEFINITION
27 * ================================= */
28
29 var Typeahead = function (element, options) {
30 this.$element = $(element)
31 this.options = $.extend({}, $.fn.typeahead.defaults, options)
32 this.matcher = this.options.matcher || this.matcher
33 this.sorter = this.options.sorter || this.sorter
34 this.highlighter = this.options.highlighter || this.highlighter
35 this.updater = this.options.updater || this.updater
36 this.$menu = $(this.options.menu).appendTo('body')
37 this.source = this.options.source
38 this.shown = false
39 this.listen()
40 }
41
42 Typeahead.prototype = {
43
44 constructor: Typeahead
45
46 , select: function () {
47 var val = this.$menu.find('.active').attr('data-value')
48 this.$element
49 .val(this.updater(val))
50 .change()
51 return this.hide()
52 }
53
54 , updater: function (item) {
55 return item
56 }
57
58 , show: function () {
59 var pos = $.extend({}, this.$element.offset(), {
60 height: this.$element[0].offsetHeight
61 })
62
63 this.$menu.css({
64 top: pos.top + pos.height
65 , left: pos.left
66 })
67
68 this.$menu.show()
69 this.shown = true
70 return this
71 }
72
73 , hide: function () {
74 this.$menu.hide()
75 this.shown = false
76 return this
77 }
78
79 , lookup: function (event) {
80 var items
81
82 this.query = this.$element.val()
83
84 if (!this.query || this.query.length < this.options.minLength) {
85 return this.shown ? this.hide() : this
86 }
87
88 items = $.isFunction(this.source) ? this.source(this.query, $.proxy(this.process, this)) : this.source
89
90 return items ? this.process(items) : this
91 }
92
93 , process: function (items) {
94 var that = this
95
96 items = $.grep(items, function (item) {
97 return that.matcher(item)
98 })
99
100 items = this.sorter(items)
101
102 if (!items.length) {
103 return this.shown ? this.hide() : this
104 }
105
106 return this.render(items.slice(0, this.options.items)).show()
107 }
108
109 , matcher: function (item) {
110 return ~item.toLowerCase().indexOf(this.query.toLowerCase())
111 }
112
113 , sorter: function (items) {
114 var beginswith = []
115 , caseSensitive = []
116 , caseInsensitive = []
117 , item
118
119 while (item = items.shift()) {
120 if (!item.toLowerCase().indexOf(this.query.toLowerCase())) beginswith.push(item)
121 else if (~item.indexOf(this.query)) caseSensitive.push(item)
122 else caseInsensitive.push(item)
123 }
124
125 return beginswith.concat(caseSensitive, caseInsensitive)
126 }
127
128 , highlighter: function (item) {
129 var query = this.query.replace(/[\-\[\]{}()*+?.,\\\^$|#\s]/g, '\\$&')
130 return item.replace(new RegExp('(' + query + ')', 'ig'), function ($1, match) {
131 return '<strong>' + match + '</strong>'
132 })
133 }
134
135 , render: function (items) {
136 var that = this
137
138 items = $(items).map(function (i, item) {
139 i = $(that.options.item).attr('data-value', item)
140 i.find('a').html(that.highlighter(item))
141 return i[0]
142 })
143
144 items.first().addClass('active')
145 this.$menu.html(items)
146 return this
147 }
148
149 , next: function (event) {
150 var active = this.$menu.find('.active').removeClass('active')
151 , next = active.next()
152
153 if (!next.length) {
154 next = $(this.$menu.find('li')[0])
155 }
156
157 next.addClass('active')
158 }
159
160 , prev: function (event) {
161 var active = this.$menu.find('.active').removeClass('active')
162 , prev = active.prev()
163
164 if (!prev.length) {
165 prev = this.$menu.find('li').last()
166 }
167
168 prev.addClass('active')
169 }
170
171 , listen: function () {
172 this.$element
173 .on('blur', $.proxy(this.blur, this))
174 .on('keypress', $.proxy(this.keypress, this))
175 .on('keyup', $.proxy(this.keyup, this))
176
177 if ($.browser.chrome || $.browser.webkit || $.browser.msie) {
178 this.$element.on('keydown', $.proxy(this.keydown, this))
179 }
180
181 this.$menu
182 .on('click', $.proxy(this.click, this))
183 .on('mouseenter', 'li', $.proxy(this.mouseenter, this))
184 }
185
186 , move: function (e) {
187 if (!this.shown) return
188
189 switch(e.keyCode) {
190 case 9: // tab
191 case 13: // enter
192 case 27: // escape
193 e.preventDefault()
194 break
195
196 case 38: // up arrow
197 e.preventDefault()
198 this.prev()
199 break
200
201 case 40: // down arrow
202 e.preventDefault()
203 this.next()
204 break
205 }
206
207 e.stopPropagation()
208 }
209
210 , keydown: function (e) {
211 this.suppressKeyPressRepeat = !~$.inArray(e.keyCode, [40,38,9,13,27])
212 this.move(e)
213 }
214
215 , keypress: function (e) {
216 if (this.suppressKeyPressRepeat) return
217 this.move(e)
218 }
219
220 , keyup: function (e) {
221 switch(e.keyCode) {
222 case 40: // down arrow
223 case 38: // up arrow
224 break
225
226 case 9: // tab
227 case 13: // enter
228 if (!this.shown) return
229 this.select()
230 break
231
232 case 27: // escape
233 if (!this.shown) return
234 this.hide()
235 break
236
237 default:
238 this.lookup()
239 }
240
241 e.stopPropagation()
242 e.preventDefault()
243 }
244
245 , blur: function (e) {
246 var that = this
247 setTimeout(function () { that.hide() }, 150)
248 }
249
250 , click: function (e) {
251 e.stopPropagation()
252 e.preventDefault()
253 this.select()
254 }
255
256 , mouseenter: function (e) {
257 this.$menu.find('.active').removeClass('active')
258 $(e.currentTarget).addClass('active')
259 }
260
261 }
262
263
264 /* TYPEAHEAD PLUGIN DEFINITION
265 * =========================== */
266
267 $.fn.typeahead = function (option) {
268 return this.each(function () {
269 var $this = $(this)
270 , data = $this.data('typeahead')
271 , options = typeof option == 'object' && option
272 if (!data) $this.data('typeahead', (data = new Typeahead(this, options)))
273 if (typeof option == 'string') data[option]()
274 })
275 }
276
277 $.fn.typeahead.defaults = {
278 source: []
279 , items: 8
280 , menu: '<ul class="typeahead dropdown-menu"></ul>'
281 , item: '<li><a href="#"></a></li>'
282 , minLength: 1
283 }
284
285 $.fn.typeahead.Constructor = Typeahead
286
287
288 /* TYPEAHEAD DATA-API
289 * ================== */
290
291 $(function () {
292 $('body').on('focus.typeahead.data-api', '[data-provide="typeahead"]', function (e) {
293 var $this = $(this)
294 if ($this.data('typeahead')) return
295 e.preventDefault()
296 $this.typeahead($this.data())
297 })
298 })
299
300 }(window.jQuery);