| 提交 | 用户 | 时间 | ||
| 58d006 | 1 | /* ============================================================= |
| A | 2 | * bootstrap3-typeahead.js v3.0.3 |
| 3 | * https://github.com/bassjobsen/Bootstrap-3-Typeahead | |
| 4 | * ============================================================= | |
| 5 | * Original written by @mdo and @fat | |
| 6 | * ============================================================= | |
| 7 | * Copyright 2014 Bass Jobsen @bassjobsen | |
| 8 | * | |
| 9 | * Licensed under the Apache License, Version 2.0 (the "License"); | |
| 10 | * you may not use this file except in compliance with the License. | |
| 11 | * You may obtain a copy of the License at | |
| 12 | * | |
| 13 | * http://www.apache.org/licenses/LICENSE-2.0 | |
| 14 | * | |
| 15 | * Unless required by applicable law or agreed to in writing, software | |
| 16 | * distributed under the License is distributed on an "AS IS" BASIS, | |
| 17 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
| 18 | * See the License for the specific language governing permissions and | |
| 19 | * limitations under the License. | |
| 20 | * ============================================================ */ | |
| 21 | ||
| 22 | ||
| 23 | !function($){ | |
| 24 | ||
| 25 | "use strict"; | |
| 26 | // jshint laxcomma: true | |
| 27 | ||
| 28 | ||
| 29 | /* TYPEAHEAD PUBLIC CLASS DEFINITION | |
| 30 | * ================================= */ | |
| 31 | ||
| 32 | var Typeahead = function (element, options) { | |
| 33 | this.$element = $(element); | |
| 34 | this.options = $.extend({}, $.fn.typeahead.defaults, options); | |
| 35 | this.matcher = this.options.matcher || this.matcher; | |
| 36 | this.sorter = this.options.sorter || this.sorter; | |
| 37 | this.select = this.options.select || this.select; | |
| 38 | this.autoSelect = typeof this.options.autoSelect == 'boolean' ? this.options.autoSelect : true; | |
| 39 | this.highlighter = this.options.highlighter || this.highlighter; | |
| 40 | this.updater = this.options.updater || this.updater; | |
| 41 | this.source = this.options.source; | |
| 42 | this.delay = typeof this.options.delay == 'number' ? this.options.delay : 250; | |
| 43 | this.$menu = $(this.options.menu); | |
| 44 | this.shown = false; | |
| 45 | this.listen(); | |
| 46 | this.showHintOnFocus = typeof this.options.showHintOnFocus == 'boolean' ? this.options.showHintOnFocus : false; | |
| 47 | }; | |
| 48 | ||
| 49 | Typeahead.prototype = { | |
| 50 | ||
| 51 | constructor: Typeahead | |
| 52 | ||
| 53 | , select: function () { | |
| 54 | var val = this.$menu.find('.active').data('value'); | |
| 55 | if(this.autoSelect || val) { | |
| 56 | this.$element | |
| 57 | .val(this.updater(val)) | |
| 58 | .change(); | |
| 59 | } | |
| 60 | return this.hide(); | |
| 61 | } | |
| 62 | ||
| 63 | , updater: function (item) { | |
| 64 | return item; | |
| 65 | } | |
| 66 | ||
| 67 | , setSource: function (source) { | |
| 68 | this.source = source; | |
| 69 | } | |
| 70 | ||
| 71 | , show: function () { | |
| 72 | var pos = $.extend({}, this.$element.position(), { | |
| 73 | height: this.$element[0].offsetHeight | |
| 74 | }), scrollHeight; | |
| 75 | ||
| 76 | scrollHeight = typeof this.options.scrollHeight == 'function' ? | |
| 77 | this.options.scrollHeight.call() : | |
| 78 | this.options.scrollHeight; | |
| 79 | ||
| 80 | this.$menu | |
| 81 | .insertAfter(this.$element) | |
| 82 | .css({ | |
| 83 | top: pos.top + pos.height + scrollHeight | |
| 84 | , left: pos.left | |
| 85 | }) | |
| 86 | .show(); | |
| 87 | ||
| 88 | this.shown = true; | |
| 89 | return this; | |
| 90 | } | |
| 91 | ||
| 92 | , hide: function () { | |
| 93 | this.$menu.hide(); | |
| 94 | this.shown = false; | |
| 95 | return this; | |
| 96 | } | |
| 97 | ||
| 98 | , lookup: function (query) { | |
| 99 | var items; | |
| 100 | if (typeof(query) != 'undefined' && query !== null) { | |
| 101 | this.query = query; | |
| 102 | } else { | |
| 103 | this.query = this.$element.val() || ''; | |
| 104 | } | |
| 105 | ||
| 106 | if (this.query.length < this.options.minLength) { | |
| 107 | return this.shown ? this.hide() : this; | |
| 108 | } | |
| 109 | ||
| 110 | var worker = $.proxy(function() { | |
| 111 | items = $.isFunction(this.source) ? this.source(this.query, $.proxy(this.process, this)) : this.source; | |
| 112 | if (items) { | |
| 113 | this.process(items); | |
| 114 | } | |
| 115 | }, this) | |
| 116 | ||
| 117 | clearTimeout(this.lookupWorker) | |
| 118 | this.lookupWorker = setTimeout(worker, this.delay) | |
| 119 | } | |
| 120 | ||
| 121 | , process: function (items) { | |
| 122 | var that = this; | |
| 123 | ||
| 124 | items = $.grep(items, function (item) { | |
| 125 | return that.matcher(item); | |
| 126 | }); | |
| 127 | ||
| 128 | items = this.sorter(items); | |
| 129 | ||
| 130 | if (!items.length) { | |
| 131 | return this.shown ? this.hide() : this; | |
| 132 | } | |
| 133 | ||
| 134 | if (this.options.items == 'all') { | |
| 135 | return this.render(items).show(); | |
| 136 | } else { | |
| 137 | return this.render(items.slice(0, this.options.items)).show(); | |
| 138 | } | |
| 139 | } | |
| 140 | ||
| 141 | , matcher: function (item) { | |
| 142 | return ~item.toLowerCase().indexOf(this.query.toLowerCase()); | |
| 143 | } | |
| 144 | ||
| 145 | , sorter: function (items) { | |
| 146 | var beginswith = [] | |
| 147 | , caseSensitive = [] | |
| 148 | , caseInsensitive = [] | |
| 149 | , item; | |
| 150 | ||
| 151 | while ((item = items.shift())) { | |
| 152 | if (!item.toLowerCase().indexOf(this.query.toLowerCase())) beginswith.push(item); | |
| 153 | else if (~item.indexOf(this.query)) caseSensitive.push(item); | |
| 154 | else caseInsensitive.push(item); | |
| 155 | } | |
| 156 | ||
| 157 | return beginswith.concat(caseSensitive, caseInsensitive); | |
| 158 | } | |
| 159 | ||
| 160 | , highlighter: function (item) { | |
| 161 | var query = this.query.replace(/[\-\[\]{}()*+?.,\\\^$|#\s]/g, '\\$&'); | |
| 162 | return item.replace(new RegExp('(' + query + ')', 'ig'), function ($1, match) { | |
| 163 | return '<strong>' + match + '</strong>'; | |
| 164 | }); | |
| 165 | } | |
| 166 | ||
| 167 | , render: function (items) { | |
| 168 | var that = this; | |
| 169 | ||
| 170 | items = $(items).map(function (i, item) { | |
| 171 | i = $(that.options.item).data('value', item); | |
| 172 | i.find('a').html(that.highlighter(item)); | |
| 173 | return i[0]; | |
| 174 | }); | |
| 175 | ||
| 176 | if (this.autoSelect) { | |
| 177 | items.first().addClass('active'); | |
| 178 | } | |
| 179 | this.$menu.html(items); | |
| 180 | return this; | |
| 181 | } | |
| 182 | ||
| 183 | , next: function (event) { | |
| 184 | var active = this.$menu.find('.active').removeClass('active') | |
| 185 | , next = active.next(); | |
| 186 | ||
| 187 | if (!next.length) { | |
| 188 | next = $(this.$menu.find('li')[0]); | |
| 189 | } | |
| 190 | ||
| 191 | next.addClass('active'); | |
| 192 | } | |
| 193 | ||
| 194 | , prev: function (event) { | |
| 195 | var active = this.$menu.find('.active').removeClass('active') | |
| 196 | , prev = active.prev(); | |
| 197 | ||
| 198 | if (!prev.length) { | |
| 199 | prev = this.$menu.find('li').last(); | |
| 200 | } | |
| 201 | ||
| 202 | prev.addClass('active'); | |
| 203 | } | |
| 204 | ||
| 205 | , listen: function () { | |
| 206 | this.$element | |
| 207 | .on('focus', $.proxy(this.focus, this)) | |
| 208 | .on('blur', $.proxy(this.blur, this)) | |
| 209 | .on('keypress', $.proxy(this.keypress, this)) | |
| 210 | .on('keyup', $.proxy(this.keyup, this)); | |
| 211 | ||
| 212 | if (this.eventSupported('keydown')) { | |
| 213 | this.$element.on('keydown', $.proxy(this.keydown, this)); | |
| 214 | } | |
| 215 | ||
| 216 | this.$menu | |
| 217 | .on('click', $.proxy(this.click, this)) | |
| 218 | .on('mouseenter', 'li', $.proxy(this.mouseenter, this)) | |
| 219 | .on('mouseleave', 'li', $.proxy(this.mouseleave, this)); | |
| 220 | } | |
| 221 | , destroy : function () { | |
| 222 | this.$element.data('typeahead',null); | |
| 223 | this.$element | |
| 224 | .off('focus') | |
| 225 | .off('blur') | |
| 226 | .off('keypress') | |
| 227 | .off('keyup'); | |
| 228 | ||
| 229 | if (this.eventSupported('keydown')) { | |
| 230 | this.$element.off('keydown'); | |
| 231 | } | |
| 232 | ||
| 233 | this.$menu.remove(); | |
| 234 | } | |
| 235 | , eventSupported: function(eventName) { | |
| 236 | var isSupported = eventName in this.$element; | |
| 237 | if (!isSupported) { | |
| 238 | this.$element.setAttribute(eventName, 'return;'); | |
| 239 | isSupported = typeof this.$element[eventName] === 'function'; | |
| 240 | } | |
| 241 | return isSupported; | |
| 242 | } | |
| 243 | ||
| 244 | , move: function (e) { | |
| 245 | if (!this.shown) return; | |
| 246 | ||
| 247 | switch(e.keyCode) { | |
| 248 | case 9: // tab | |
| 249 | case 13: // enter | |
| 250 | case 27: // escape | |
| 251 | e.preventDefault(); | |
| 252 | break; | |
| 253 | ||
| 254 | case 38: // up arrow | |
| 255 | e.preventDefault(); | |
| 256 | this.prev(); | |
| 257 | break; | |
| 258 | ||
| 259 | case 40: // down arrow | |
| 260 | e.preventDefault(); | |
| 261 | this.next(); | |
| 262 | break; | |
| 263 | } | |
| 264 | ||
| 265 | e.stopPropagation(); | |
| 266 | } | |
| 267 | ||
| 268 | , keydown: function (e) { | |
| 269 | this.suppressKeyPressRepeat = ~$.inArray(e.keyCode, [40,38,9,13,27]); | |
| 270 | if (!this.shown && e.keyCode == 40) { | |
| 271 | this.lookup(""); | |
| 272 | } else { | |
| 273 | this.move(e); | |
| 274 | } | |
| 275 | } | |
| 276 | ||
| 277 | , keypress: function (e) { | |
| 278 | if (this.suppressKeyPressRepeat) return; | |
| 279 | this.move(e); | |
| 280 | } | |
| 281 | ||
| 282 | , keyup: function (e) { | |
| 283 | switch(e.keyCode) { | |
| 284 | case 40: // down arrow | |
| 285 | case 38: // up arrow | |
| 286 | case 16: // shift | |
| 287 | case 17: // ctrl | |
| 288 | case 18: // alt | |
| 289 | break; | |
| 290 | ||
| 291 | case 9: // tab | |
| 292 | case 13: // enter | |
| 293 | if (!this.shown) return; | |
| 294 | this.select(); | |
| 295 | break; | |
| 296 | ||
| 297 | case 27: // escape | |
| 298 | if (!this.shown) return; | |
| 299 | this.hide(); | |
| 300 | break; | |
| 301 | default: | |
| 302 | this.lookup(); | |
| 303 | } | |
| 304 | ||
| 305 | e.stopPropagation(); | |
| 306 | e.preventDefault(); | |
| 307 | } | |
| 308 | ||
| 309 | , focus: function (e) { | |
| 310 | if (!this.focused) { | |
| 311 | this.focused = true; | |
| 312 | if (this.options.minLength === 0 && !this.$element.val() || this.options.showHintOnFocus) { | |
| 313 | this.lookup(); | |
| 314 | } | |
| 315 | } | |
| 316 | } | |
| 317 | ||
| 318 | , blur: function (e) { | |
| 319 | this.focused = false; | |
| 320 | if (!this.mousedover && this.shown) this.hide(); | |
| 321 | } | |
| 322 | ||
| 323 | , click: function (e) { | |
| 324 | e.stopPropagation(); | |
| 325 | e.preventDefault(); | |
| 326 | this.select(); | |
| 327 | this.$element.focus(); | |
| 328 | } | |
| 329 | ||
| 330 | , mouseenter: function (e) { | |
| 331 | this.mousedover = true; | |
| 332 | this.$menu.find('.active').removeClass('active'); | |
| 333 | $(e.currentTarget).addClass('active'); | |
| 334 | } | |
| 335 | ||
| 336 | , mouseleave: function (e) { | |
| 337 | this.mousedover = false; | |
| 338 | if (!this.focused && this.shown) this.hide(); | |
| 339 | } | |
| 340 | ||
| 341 | }; | |
| 342 | ||
| 343 | ||
| 344 | /* TYPEAHEAD PLUGIN DEFINITION | |
| 345 | * =========================== */ | |
| 346 | ||
| 347 | var old = $.fn.typeahead; | |
| 348 | ||
| 349 | $.fn.typeahead = function (option) { | |
| 350 | var arg = arguments; | |
| 351 | return this.each(function () { | |
| 352 | var $this = $(this) | |
| 353 | , data = $this.data('typeahead') | |
| 354 | , options = typeof option == 'object' && option; | |
| 355 | if (!data) $this.data('typeahead', (data = new Typeahead(this, options))); | |
| 356 | if (typeof option == 'string') { | |
| 357 | if (arg.length > 1) { | |
| 358 | data[option].apply(data, Array.prototype.slice.call(arg ,1)); | |
| 359 | } else { | |
| 360 | data[option](); | |
| 361 | } | |
| 362 | } | |
| 363 | }); | |
| 364 | }; | |
| 365 | ||
| 366 | $.fn.typeahead.defaults = { | |
| 367 | source: [] | |
| 368 | , items: 8 | |
| 369 | , menu: '<ul class="typeahead dropdown-menu"></ul>' | |
| 370 | , item: '<li><a href="#"></a></li>' | |
| 371 | , minLength: 1 | |
| 372 | , scrollHeight: 0 | |
| 373 | , autoSelect: true | |
| 374 | }; | |
| 375 | ||
| 376 | $.fn.typeahead.Constructor = Typeahead; | |
| 377 | ||
| 378 | ||
| 379 | /* TYPEAHEAD NO CONFLICT | |
| 380 | * =================== */ | |
| 381 | ||
| 382 | $.fn.typeahead.noConflict = function () { | |
| 383 | $.fn.typeahead = old; | |
| 384 | return this; | |
| 385 | }; | |
| 386 | ||
| 387 | ||
| 388 | /* TYPEAHEAD DATA-API | |
| 389 | * ================== */ | |
| 390 | ||
| 391 | $(document).on('focus.typeahead.data-api', '[data-provide="typeahead"]', function (e) { | |
| 392 | var $this = $(this); | |
| 393 | if ($this.data('typeahead')) return; | |
| 394 | $this.typeahead($this.data()); | |
| 395 | }); | |
| 396 | ||
| 397 | }(window.jQuery); | |
