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/* ============================================================= | |
* bootstrap-combobox.js v1.1.6 | |
* ============================================================= | |
* Copyright 2012 Daniel Farrell | |
* | |
* 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"; | |
/* COMBOBOX PUBLIC CLASS DEFINITION | |
* ================================ */ | |
var Combobox = function ( element, options ) { | |
this.options = $.extend({}, $.fn.combobox.defaults, options); | |
this.$source = $(element); | |
this.$container = this.setup(); | |
this.$element = this.$container.find('input[type=text]'); | |
this.$target = this.$container.find('input[type=hidden]'); | |
this.$button = this.$container.find('.dropdown-toggle'); | |
this.$menu = $(this.options.menu).appendTo('body'); | |
this.template = this.options.template || this.template | |
this.matcher = this.options.matcher || this.matcher; | |
this.sorter = this.options.sorter || this.sorter; | |
this.highlighter = this.options.highlighter || this.highlighter; | |
this.shown = false; | |
this.selected = false; | |
this.refresh(); | |
this.transferAttributes(); | |
this.listen(); | |
}; | |
Combobox.prototype = { | |
constructor: Combobox | |
, setup: function () { | |
var combobox = $(this.template()); | |
this.$source.before(combobox); | |
this.$source.hide(); | |
return combobox; | |
} | |
, disable: function() { | |
this.$element.prop('disabled', true); | |
this.$button.attr('disabled', true); | |
this.disabled = true; | |
this.$container.addClass('combobox-disabled'); | |
} | |
, enable: function() { | |
this.$element.prop('disabled', false); | |
this.$button.attr('disabled', false); | |
this.disabled = false; | |
this.$container.removeClass('combobox-disabled'); | |
} | |
, parse: function () { | |
var that = this | |
, map = {} | |
, source = [] | |
, selected = false | |
, selectedValue = ''; | |
this.$source.find('option').each(function() { | |
var option = $(this); | |
if (option.val() === '') { | |
that.options.placeholder = option.text(); | |
return; | |
} | |
map[option.text()] = option.val(); | |
source.push(option.text()); | |
if (option.prop('selected')) { | |
selected = option.text(); | |
selectedValue = option.val(); | |
} | |
}) | |
this.map = map; | |
if (selected) { | |
this.$element.val(selected); | |
this.$target.val(selectedValue); | |
this.$container.addClass('combobox-selected'); | |
this.selected = true; | |
} | |
return source; | |
} | |
, transferAttributes: function() { | |
this.options.placeholder = this.$source.attr('data-placeholder') || this.options.placeholder | |
this.$element.attr('placeholder', this.options.placeholder) | |
this.$target.prop('name', this.$source.prop('name')) | |
this.$target.val(this.$source.val()) | |
this.$source.removeAttr('name') // Remove from source otherwise form will pass parameter twice. | |
this.$element.attr('required', this.$source.attr('required')) | |
this.$element.attr('rel', this.$source.attr('rel')) | |
this.$element.attr('title', this.$source.attr('title')) | |
this.$element.attr('class', this.$source.attr('class')) | |
this.$element.attr('tabindex', this.$source.attr('tabindex')) | |
this.$source.removeAttr('tabindex') | |
if (this.$source.attr('disabled')!==undefined) | |
this.disable(); | |
} | |
, select: function () { | |
var val = this.$menu.find('.active').attr('data-value'); | |
this.$element.val(this.updater(val)).trigger('change'); | |
this.$target.val(this.map[val]).trigger('change'); | |
this.$source.val(this.map[val]).trigger('change'); | |
this.$container.addClass('combobox-selected'); | |
this.selected = true; | |
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) { | |
this.query = this.$element.val(); | |
return this.process(this.source); | |
} | |
, 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(); | |
} | |
, template: function() { | |
if (this.options.bsVersion == '2') { | |
return '<div class="combobox-container"><input type="hidden" /> <div class="input-append"> <input type="text" autocomplete="off" /> <span class="add-on dropdown-toggle" data-dropdown="dropdown"> <span class="caret"/> <i class="icon-remove"/> </span> </div> </div>' | |
} else { | |
return '<div class="combobox-container"> <input type="hidden" /> <div class="input-group"> <input type="text" autocomplete="off" /> <span class="input-group-addon dropdown-toggle" data-dropdown="dropdown"> <span class="caret" /> <span class="glyphicon glyphicon-remove" /> </span> </div> </div>' | |
} | |
} | |
, 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'); | |
} | |
, toggle: function () { | |
if (!this.disabled) { | |
if (this.$container.hasClass('combobox-selected')) { | |
this.clearTarget(); | |
this.triggerChange(); | |
this.clearElement(); | |
} else { | |
if (this.shown) { | |
this.hide(); | |
} else { | |
this.clearElement(); | |
this.lookup(); | |
} | |
} | |
} | |
} | |
, clearElement: function () { | |
this.$element.val('').focus(); | |
} | |
, clearTarget: function () { | |
this.$source.val(''); | |
this.$target.val(''); | |
this.$container.removeClass('combobox-selected'); | |
this.selected = false; | |
} | |
, triggerChange: function () { | |
this.$source.trigger('change'); | |
} | |
, refresh: function () { | |
this.source = this.parse(); | |
this.options.items = this.source.length; | |
} | |
, 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', $.proxy(this.mouseleave, this)); | |
this.$button | |
.on('click', $.proxy(this.toggle, this)); | |
} | |
, eventSupported: function(eventName) { | |
var isSupported = eventName in this.$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 = ~$.inArray(e.keyCode, [40,38,9,13,27]); | |
this.move(e); | |
} | |
, keypress: function (e) { | |
if (this.suppressKeyPressRepeat) {return;} | |
this.move(e); | |
} | |
, keyup: function (e) { | |
switch(e.keyCode) { | |
case 40: // down arrow | |
case 39: // right arrow | |
case 38: // up arrow | |
case 37: // left arrow | |
case 36: // home | |
case 35: // end | |
case 16: // shift | |
case 17: // ctrl | |
case 18: // alt | |
break; | |
case 9: // tab | |
case 13: // enter | |
if (!this.shown) {return;} | |
this.select(); | |
break; | |
case 27: // escape | |
if (!this.shown) {return;} | |
this.hide(); | |
break; | |
default: | |
this.clearTarget(); | |
this.lookup(); | |
} | |
e.stopPropagation(); | |
e.preventDefault(); | |
} | |
, focus: function (e) { | |
this.focused = true; | |
} | |
, blur: function (e) { | |
var that = this; | |
this.focused = false; | |
var val = this.$element.val(); | |
if (!this.mousedover && this.shown) {setTimeout(function () { that.hide(); }, 200);} | |
} | |
, 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; | |
} | |
}; | |
/* COMBOBOX PLUGIN DEFINITION | |
* =========================== */ | |
$.fn.combobox = function ( option ) { | |
return this.each(function () { | |
var $this = $(this) | |
, data = $this.data('combobox') | |
, options = typeof option == 'object' && option; | |
if(!data) {$this.data('combobox', (data = new Combobox(this, options)));} | |
if (typeof option == 'string') {data[option]();} | |
}); | |
}; | |
$.fn.combobox.defaults = { | |
bsVersion: '3' | |
, menu: '<ul class="typeahead typeahead-long dropdown-menu"></ul>' | |
, item: '<li><a href="#"></a></li>' | |
}; | |
$.fn.combobox.Constructor = Combobox; | |
}( window.jQuery ); |
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