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- /* =============================================================
- * 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 ));
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