<!DOCTYPE html>
<html>
<head>
<link href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" rel="stylesheet" data-require="bootstrap@3.3.7" data-semver="3.3.7" />
<link href="bootstrap-combobox.css" rel="stylesheet" />
<link href="style.css" rel="stylesheet" />
</head>
<body>
<h1>Hello Plunker!</h1>
<select id="combobox1" class="combobox">
<option></option>
<option value="PA">Pennsylvania</option>
<option value="CT">Connecticut</option>
<option value="NY">New York</option>
<option value="MD">Maryland</option>
<option value="VA">Virginia</option>
</select>
<br />
<select id="combobox2"></select>
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.0.0/jquery.js" data-require="jquery@3.0.0" data-semver="3.0.0"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js" data-require="bootstrap@3.3.7" data-semver="3.3.7"></script>
<script src="bootstrap-combobox.js"></script>
<script src="script.js"></script>
</body>
</html>
$(document).ready(function() {
var s = '';
for (var i = 0; i < 1000; i++) {
s += '<option>option ' + i + '</option>';
}
$('#combobox1').combobox();
$('#combobox2').html(s);
$('#combobox2').combobox();
});
/* Styles go here */
/* =============================================================
* bootstrap-combobox.js v1.1.8
* =============================================================
* 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({}, $.fn.combobox.defaults, options);
this.template = this.options.template || this.template
this.$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.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.$source.attr('data-placeholder') || this.options.placeholder
if(this.options.appendId !== "undefined") {
this.$element.attr('id', this.$source.attr('id') + this.options.appendId);
}
this.$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();
$('.dropdown-menu').on('mousedown', $.proxy(this.scrollSafety, this));
this.shown = true;
return this;
}
, hide: function () {
this.$menu.hide();
$('.dropdown-menu').off('mousedown', $.proxy(this.scrollSafety, this));
this.$element.on('blur', $.proxy(this.blur, this));
this.shown = false;
return this;
}
, lookup: function (event) {
this.query = this.$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.$container.hasClass('combobox-selected')) {
this.clearTarget();
this.triggerChange();
this.clearElement();
} else {
if (this.shown) {
this.hide();
} else {
this.clearElement();
this.lookup();
}
}
}
}
, scrollSafety: function(e) {
if (e.target.tagName == 'UL') {
this.$element.off('blur');
}
}
, 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();
this.fixMenuScroll();
break;
case 40: // down arrow
e.preventDefault();
this.next();
this.fixMenuScroll();
break;
}
e.stopPropagation();
}
, fixMenuScroll: function(){
var active = this.$menu.find('.active');
if(active.length){
var top = active.position().top;
var bottom = top + active.height();
var scrollTop = this.$menu.scrollTop();
var menuHeight = this.$menu.height();
if(bottom > menuHeight){
this.$menu.scrollTop(scrollTop + bottom - menuHeight);
} else if(top < 0){
this.$menu.scrollTop(scrollTop + top);
}
}
}
, keydown: function (e) {
this.suppressKeyPressRepeat = ~$.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
if (!this.shown){
this.toggle();
}
break;
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.$element.val();
if (!this.selected && val !== '' ) {
this.$element.val('');
this.$source.val('').trigger('change');
this.$target.val('').trigger('change');
}
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: '4'
, menu: '<ul class="typeahead typeahead-long dropdown-menu"></ul>'
, item: '<li><a href="#" class="dropdown-item"></a></li>'
};
$.fn.combobox.Constructor = Combobox;
}( window.jQuery ));
@media (min-width: 768px) {
.form-search .combobox-container,
.form-inline .combobox-container {
display: inline-block;
margin-bottom: 0;
vertical-align: top;
}
.form-search .combobox-container .input-group-addon,
.form-inline .combobox-container .input-group-addon {
width: auto;
}
}
.combobox-selected .caret {
display: none;
}
/* :not doesn't work in IE8 */
.combobox-container:not(.combobox-selected) .glyphicon-remove {
display: none;
}
.typeahead-long {
max-height: 300px;
overflow-y: auto;
}
.control-group.error .combobox-container .add-on {
color: #B94A48;
border-color: #B94A48;
}
.control-group.error .combobox-container .caret {
border-top-color: #B94A48;
}
.control-group.warning .combobox-container .add-on {
color: #C09853;
border-color: #C09853;
}
.control-group.warning .combobox-container .caret {
border-top-color: #C09853;
}
.control-group.success .combobox-container .add-on {
color: #468847;
border-color: #468847;
}
.control-group.success .combobox-container .caret {
border-top-color: #468847;
}