/* =============================================================
* bootstrap-typeahead.js v2.3.2
* http://twitter.github.com/bootstrap/javascript.html#typeahead
* =============================================================
* Copyright 2012 Twitter, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* ============================================================ */
!function($){
"use strict"; // jshint ;_;
/* TYPEAHEAD PUBLIC CLASS DEFINITION
* ================================= */
var Typeahead = function (element, options) {
this.$element = $(element)
this.options = $.extend({}, $.fn.typeahead.defaults, options)
this.matcher = this.options.matcher || this.matcher
this.sorter = this.options.sorter || this.sorter
this.highlighter = this.options.highlighter || this.highlighter
this.updater = this.options.updater || this.updater
this.source = this.options.source
this.$menu = $(this.options.menu)
this.shown = false
this.listen()
}
Typeahead.prototype = {
constructor: Typeahead
, select: function () {
var val = this.$menu.find('.active').attr('data-value')
this.$element
.val(this.updater(val))
.change()
return this.hide()
}
, updater: function (item) {
return item
}
, show: function () {
var pos = $.extend({}, this.$element.position(), {
height: this.$element[0].offsetHeight
})
this.$menu
.insertAfter(this.$element)
.css({
top: pos.top + pos.height
, left: pos.left
})
.show()
this.shown = true
return this
}
, hide: function () {
this.$menu.hide()
this.shown = false
return this
}
, lookup: function (event) {
var items
this.query = this.$element.val()
if (!this.query || this.query.length < this.options.minLength) {
return this.shown ? this.hide() : this
}
items = $.isFunction(this.source) ? this.source(this.query, $.proxy(this.process, this)) : this.source
return items ? this.process(items) : this
}
, process: function (items) {
var that = this
items = $.grep(items, function (item) {
return that.matcher(item)
})
items = this.sorter(items)
if (!items.length) {
return this.shown ? this.hide() : this
}
return this.render(items.slice(0, this.options.items)).show()
}
, matcher: function (item) {
return ~item.toLowerCase().indexOf(this.query.toLowerCase())
}
, sorter: function (items) {
var beginswith = []
, caseSensitive = []
, caseInsensitive = []
, item
while (item = items.shift()) {
if (!item.toLowerCase().indexOf(this.query.toLowerCase())) beginswith.push(item)
else if (~item.indexOf(this.query)) caseSensitive.push(item)
else caseInsensitive.push(item)
}
return beginswith.concat(caseSensitive, caseInsensitive)
}
, highlighter: function (item) {
var query = this.query.replace(/[\-\[\]{}()*+?.,\\\^$|#\s]/g, '\\$&')
return item.replace(new RegExp('(' + query + ')', 'ig'), function ($1, match) {
return '<strong>' + match + '</strong>'
})
}
, render: function (items) {
var that = this
items = $(items).map(function (i, item) {
i = $(that.options.item).attr('data-value', item)
i.find('a').html(that.highlighter(item))
return i[0]
})
items.first().addClass('active')
this.$menu.html(items)
return this
}
, next: function (event) {
var active = this.$menu.find('.active').removeClass('active')
, next = active.next()
if (!next.length) {
next = $(this.$menu.find('li')[0])
}
next.addClass('active')
}
, prev: function (event) {
var active = this.$menu.find('.active').removeClass('active')
, prev = active.prev()
if (!prev.length) {
prev = this.$menu.find('li').last()
}
prev.addClass('active')
}
, listen: function () {
this.$element
.on('focus', $.proxy(this.focus, this))
.on('blur', $.proxy(this.blur, this))
.on('keypress', $.proxy(this.keypress, this))
.on('keyup', $.proxy(this.keyup, this))
if (this.eventSupported('keydown')) {
this.$element.on('keydown', $.proxy(this.keydown, this))
}
this.$menu
.on('click', $.proxy(this.click, this))
.on('mouseenter', 'li', $.proxy(this.mouseenter, this))
.on('mouseleave', 'li', $.proxy(this.mouseleave, this))
}
, eventSupported: function(eventName) {
var isSupported = eventName in this.$element
if (!isSupported) {
this.$element.setAttribute(eventName, 'return;')
isSupported = typeof this.$element[eventName] === 'function'
}
return isSupported
}
, move: function (e) {
if (!this.shown) return
switch(e.keyCode) {
case 9: // tab
case 13: // enter
case 27: // escape
e.preventDefault()
break
case 38: // up arrow
e.preventDefault()
this.prev()
break
case 40: // down arrow
e.preventDefault()
this.next()
break
}
e.stopPropagation()
}
, keydown: function (e) {
this.suppressKeyPressRepeat = ~$.inArray(e.keyCode, [40,38,9,13,27])
this.move(e)
}
, keypress: function (e) {
if (this.suppressKeyPressRepeat) return
this.move(e)
}
, keyup: function (e) {
switch(e.keyCode) {
case 40: // down arrow
case 38: // up arrow
case 16: // shift
case 17: // ctrl
case 18: // alt
break
case 9: // tab
case 13: // enter
if (!this.shown) return
this.select()
break
case 27: // escape
if (!this.shown) return
this.hide()
break
default:
this.lookup()
}
e.stopPropagation()
e.preventDefault()
}
, focus: function (e) {
this.focused = true
}
, blur: function (e) {
this.focused = false
if (!this.mousedover && this.shown) this.hide()
}
, click: function (e) {
e.stopPropagation()
e.preventDefault()
this.select()
this.$element.focus()
}
, mouseenter: function (e) {
this.mousedover = true
this.$menu.find('.active').removeClass('active')
$(e.currentTarget).addClass('active')
}
, mouseleave: function (e) {
this.mousedover = false
if (!this.focused && this.shown) this.hide()
}
}
/* TYPEAHEAD PLUGIN DEFINITION
* =========================== */
var old = $.fn.typeahead
$.fn.typeahead = function (option) {
return this.each(function () {
var $this = $(this)
, data = $this.data('typeahead')
, options = typeof option == 'object' && option
if (!data) $this.data('typeahead', (data = new Typeahead(this, options)))
if (typeof option == 'string') data[option]()
})
}
$.fn.typeahead.defaults = {
source: []
, items: 8
, menu: '<ul class="typeahead dropdown-menu"></ul>'
, item: '<li><a href="#"></a></li>'
, minLength: 1
}
$.fn.typeahead.Constructor = Typeahead
/* TYPEAHEAD NO CONFLICT
* =================== */
$.fn.typeahead.noConflict = function () {
$.fn.typeahead = old
return this
}
/* TYPEAHEAD DATA-API
* ================== */
$(document).on('focus.typeahead.data-api', '[data-provide="typeahead"]', function (e) {
var $this = $(this)
if ($this.data('typeahead')) return
$this.typeahead($this.data())
})
/*BEGIN: AGREGANDO EVENTOS AL PLUGIN*/
function addEvents(name, nameBefore, nameAfter){
var funcTemp = Typeahead.prototype[name];
Typeahead.prototype['vu'+name] = funcTemp;
Typeahead.prototype[name] = function(){
if(nameBefore)
this.$element.trigger(nameBefore+'.typeahead');
var data = this['vu'+name]();
if(nameAfter)
this.$element.trigger(nameAfter+'.typeahead');
return data;
}
}
addEvents('show', 'show', 'shown');
addEvents('hide', 'hide', 'hidden');
/*END: AGREGANDO EVENTOS AL PLUGIN*/
}(window.jQuery);
|
Download
