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Diffstat (limited to 'debian/missing-sources/selectize.js')
| -rw-r--r-- | debian/missing-sources/selectize.js | 3124 |
1 files changed, 3124 insertions, 0 deletions
diff --git a/debian/missing-sources/selectize.js b/debian/missing-sources/selectize.js new file mode 100644 index 0000000..ce28377 --- /dev/null +++ b/debian/missing-sources/selectize.js @@ -0,0 +1,3124 @@ +/** + * selectize.js (v0.12.2) + * Copyright (c) 2013–2015 Brian Reavis & contributors + * + * 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. + * + * @author Brian Reavis <brian@thirdroute.com> + */ + +/*jshint curly:false */ +/*jshint browser:true */ + +(function(root, factory) { + if (typeof define === 'function' && define.amd) { + define(['jquery','sifter','microplugin'], factory); + } else if (typeof exports === 'object') { + module.exports = factory(require('jquery'), require('sifter'), require('microplugin')); + } else { + root.Selectize = factory(root.jQuery, root.Sifter, root.MicroPlugin); + } +}(this, function($, Sifter, MicroPlugin) { + 'use strict'; + + var highlight = function($element, pattern) { + if (typeof pattern === 'string' && !pattern.length) return; + var regex = (typeof pattern === 'string') ? new RegExp(pattern, 'i') : pattern; + + var highlight = function(node) { + var skip = 0; + if (node.nodeType === 3) { + var pos = node.data.search(regex); + if (pos >= 0 && node.data.length > 0) { + var match = node.data.match(regex); + var spannode = document.createElement('span'); + spannode.className = 'highlight'; + var middlebit = node.splitText(pos); + var endbit = middlebit.splitText(match[0].length); + var middleclone = middlebit.cloneNode(true); + spannode.appendChild(middleclone); + middlebit.parentNode.replaceChild(spannode, middlebit); + skip = 1; + } + } else if (node.nodeType === 1 && node.childNodes && !/(script|style)/i.test(node.tagName)) { + for (var i = 0; i < node.childNodes.length; ++i) { + i += highlight(node.childNodes[i]); + } + } + return skip; + }; + + return $element.each(function() { + highlight(this); + }); + }; + + var MicroEvent = function() {}; + MicroEvent.prototype = { + on: function(event, fct){ + this._events = this._events || {}; + this._events[event] = this._events[event] || []; + this._events[event].push(fct); + }, + off: function(event, fct){ + var n = arguments.length; + if (n === 0) return delete this._events; + if (n === 1) return delete this._events[event]; + + this._events = this._events || {}; + if (event in this._events === false) return; + this._events[event].splice(this._events[event].indexOf(fct), 1); + }, + trigger: function(event /* , args... */){ + this._events = this._events || {}; + if (event in this._events === false) return; + for (var i = 0; i < this._events[event].length; i++){ + this._events[event][i].apply(this, Array.prototype.slice.call(arguments, 1)); + } + } + }; + + /** + * Mixin will delegate all MicroEvent.js function in the destination object. + * + * - MicroEvent.mixin(Foobar) will make Foobar able to use MicroEvent + * + * @param {object} the object which will support MicroEvent + */ + MicroEvent.mixin = function(destObject){ + var props = ['on', 'off', 'trigger']; + for (var i = 0; i < props.length; i++){ + destObject.prototype[props[i]] = MicroEvent.prototype[props[i]]; + } + }; + + var IS_MAC = /Mac/.test(navigator.userAgent); + + var KEY_A = 65; + var KEY_COMMA = 188; + var KEY_RETURN = 13; + var KEY_ESC = 27; + var KEY_LEFT = 37; + var KEY_UP = 38; + var KEY_P = 80; + var KEY_RIGHT = 39; + var KEY_DOWN = 40; + var KEY_N = 78; + var KEY_BACKSPACE = 8; + var KEY_DELETE = 46; + var KEY_SHIFT = 16; + var KEY_CMD = IS_MAC ? 91 : 17; + var KEY_CTRL = IS_MAC ? 18 : 17; + var KEY_TAB = 9; + + var TAG_SELECT = 1; + var TAG_INPUT = 2; + + // for now, android support in general is too spotty to support validity + var SUPPORTS_VALIDITY_API = !/android/i.test(window.navigator.userAgent) && !!document.createElement('form').validity; + + var isset = function(object) { + return typeof object !== 'undefined'; + }; + + /** + * Converts a scalar to its best string representation + * for hash keys and HTML attribute values. + * + * Transformations: + * 'str' -> 'str' + * null -> '' + * undefined -> '' + * true -> '1' + * false -> '0' + * 0 -> '0' + * 1 -> '1' + * + * @param {string} value + * @returns {string|null} + */ + var hash_key = function(value) { + if (typeof value === 'undefined' || value === null) return null; + if (typeof value === 'boolean') return value ? '1' : '0'; + return value + ''; + }; + + /** + * Escapes a string for use within HTML. + * + * @param {string} str + * @returns {string} + */ + var escape_html = function(str) { + return (str + '') + .replace(/&/g, '&') + .replace(/</g, '<') + .replace(/>/g, '>') + .replace(/"/g, '"'); + }; + + /** + * Escapes "$" characters in replacement strings. + * + * @param {string} str + * @returns {string} + */ + var escape_replace = function(str) { + return (str + '').replace(/\$/g, '$$$$'); + }; + + var hook = {}; + + /** + * Wraps `method` on `self` so that `fn` + * is invoked before the original method. + * + * @param {object} self + * @param {string} method + * @param {function} fn + */ + hook.before = function(self, method, fn) { + var original = self[method]; + self[method] = function() { + fn.apply(self, arguments); + return original.apply(self, arguments); + }; + }; + + /** + * Wraps `method` on `self` so that `fn` + * is invoked after the original method. + * + * @param {object} self + * @param {string} method + * @param {function} fn + */ + hook.after = function(self, method, fn) { + var original = self[method]; + self[method] = function() { + var result = original.apply(self, arguments); + fn.apply(self, arguments); + return result; + }; + }; + + /** + * Wraps `fn` so that it can only be invoked once. + * + * @param {function} fn + * @returns {function} + */ + var once = function(fn) { + var called = false; + return function() { + if (called) return; + called = true; + fn.apply(this, arguments); + }; + }; + + /** + * Wraps `fn` so that it can only be called once + * every `delay` milliseconds (invoked on the falling edge). + * + * @param {function} fn + * @param {int} delay + * @returns {function} + */ + var debounce = function(fn, delay) { + var timeout; + return function() { + var self = this; + var args = arguments; + window.clearTimeout(timeout); + timeout = window.setTimeout(function() { + fn.apply(self, args); + }, delay); + }; + }; + + /** + * Debounce all fired events types listed in `types` + * while executing the provided `fn`. + * + * @param {object} self + * @param {array} types + * @param {function} fn + */ + var debounce_events = function(self, types, fn) { + var type; + var trigger = self.trigger; + var event_args = {}; + + // override trigger method + self.trigger = function() { + var type = arguments[0]; + if (types.indexOf(type) !== -1) { + event_args[type] = arguments; + } else { + return trigger.apply(self, arguments); + } + }; + + // invoke provided function + fn.apply(self, []); + self.trigger = trigger; + + // trigger queued events + for (type in event_args) { + if (event_args.hasOwnProperty(type)) { + trigger.apply(self, event_args[type]); + } + } + }; + + /** + * A workaround for http://bugs.jquery.com/ticket/6696 + * + * @param {object} $parent - Parent element to listen on. + * @param {string} event - Event name. + * @param {string} selector - Descendant selector to filter by. + * @param {function} fn - Event handler. + */ + var watchChildEvent = function($parent, event, selector, fn) { + $parent.on(event, selector, function(e) { + var child = e.target; + while (child && child.parentNode !== $parent[0]) { + child = child.parentNode; + } + e.currentTarget = child; + return fn.apply(this, [e]); + }); + }; + + /** + * Determines the current selection within a text input control. + * Returns an object containing: + * - start + * - length + * + * @param {object} input + * @returns {object} + */ + var getSelection = function(input) { + var result = {}; + if ('selectionStart' in input) { + result.start = input.selectionStart; + result.length = input.selectionEnd - result.start; + } else if (document.selection) { + input.focus(); + var sel = document.selection.createRange(); + var selLen = document.selection.createRange().text.length; + sel.moveStart('character', -input.value.length); + result.start = sel.text.length - selLen; + result.length = selLen; + } + return result; + }; + + /** + * Copies CSS properties from one element to another. + * + * @param {object} $from + * @param {object} $to + * @param {array} properties + */ + var transferStyles = function($from, $to, properties) { + var i, n, styles = {}; + if (properties) { + for (i = 0, n = properties.length; i < n; i++) { + styles[properties[i]] = $from.css(properties[i]); + } + } else { + styles = $from.css(); + } + $to.css(styles); + }; + + /** + * Measures the width of a string within a + * parent element (in pixels). + * + * @param {string} str + * @param {object} $parent + * @returns {int} + */ + var measureString = function(str, $parent) { + if (!str) { + return 0; + } + + var $test = $('<test>').css({ + position: 'absolute', + top: -99999, + left: -99999, + width: 'auto', + padding: 0, + whiteSpace: 'pre' + }).text(str).appendTo('body'); + + transferStyles($parent, $test, [ + 'letterSpacing', + 'fontSize', + 'fontFamily', + 'fontWeight', + 'textTransform' + ]); + + var width = $test.width(); + $test.remove(); + + return width; + }; + + /** + * Sets up an input to grow horizontally as the user + * types. If the value is changed manually, you can + * trigger the "update" handler to resize: + * + * $input.trigger('update'); + * + * @param {object} $input + */ + var autoGrow = function($input) { + var currentWidth = null; + + var update = function(e, options) { + var value, keyCode, printable, placeholder, width; + var shift, character, selection; + e = e || window.event || {}; + options = options || {}; + + if (e.metaKey || e.altKey) return; + if (!options.force && $input.data('grow') === false) return; + + value = $input.val(); + if (e.type && e.type.toLowerCase() === 'keydown') { + keyCode = e.keyCode; + printable = ( + (keyCode >= 97 && keyCode <= 122) || // a-z + (keyCode >= 65 && keyCode <= 90) || // A-Z + (keyCode >= 48 && keyCode <= 57) || // 0-9 + keyCode === 32 // space + ); + + if (keyCode === KEY_DELETE || keyCode === KEY_BACKSPACE) { + selection = getSelection($input[0]); + if (selection.length) { + value = value.substring(0, selection.start) + value.substring(selection.start + selection.length); + } else if (keyCode === KEY_BACKSPACE && selection.start) { + value = value.substring(0, selection.start - 1) + value.substring(selection.start + 1); + } else if (keyCode === KEY_DELETE && typeof selection.start !== 'undefined') { + value = value.substring(0, selection.start) + value.substring(selection.start + 1); + } + } else if (printable) { + shift = e.shiftKey; + character = String.fromCharCode(e.keyCode); + if (shift) character = character.toUpperCase(); + else character = character.toLowerCase(); + value += character; + } + } + + placeholder = $input.attr('placeholder'); + if (!value && placeholder) { + value = placeholder; + } + + width = measureString(value, $input) + 4; + if (width !== currentWidth) { + currentWidth = width; + $input.width(width); + $input.triggerHandler('resize'); + } + }; + + $input.on('keydown keyup update blur', update); + update(); + }; + + var domToString = function(d) { + var tmp = document.createElement('div'); + + tmp.appendChild(d.cloneNode(true)); + + return tmp.innerHTML; + }; + + + var Selectize = function($input, settings) { + var key, i, n, dir, input, self = this; + input = $input[0]; + input.selectize = self; + + // detect rtl environment + var computedStyle = window.getComputedStyle && window.getComputedStyle(input, null); + dir = computedStyle ? computedStyle.getPropertyValue('direction') : input.currentStyle && input.currentStyle.direction; + dir = dir || $input.parents('[dir]:first').attr('dir') || ''; + + // setup default state + $.extend(self, { + order : 0, + settings : settings, + $input : $input, + tabIndex : $input.attr('tabindex') || '', + tagType : input.tagName.toLowerCase() === 'select' ? TAG_SELECT : TAG_INPUT, + rtl : /rtl/i.test(dir), + + eventNS : '.selectize' + (++Selectize.count), + highlightedValue : null, + isOpen : false, + isDisabled : false, + isRequired : $input.is('[required]'), + isInvalid : false, + isLocked : false, + isFocused : false, + isInputHidden : false, + isSetup : false, + isShiftDown : false, + isCmdDown : false, + isCtrlDown : false, + ignoreFocus : false, + ignoreBlur : false, + ignoreHover : false, + hasOptions : false, + currentResults : null, + lastValue : '', + caretPos : 0, + loading : 0, + loadedSearches : {}, + + $activeOption : null, + $activeItems : [], + + optgroups : {}, + options : {}, + userOptions : {}, + items : [], + renderCache : {}, + onSearchChange : settings.loadThrottle === null ? self.onSearchChange : debounce(self.onSearchChange, settings.loadThrottle) + }); + + // search system + self.sifter = new Sifter(this.options, {diacritics: settings.diacritics}); + + // build options table + if (self.settings.options) { + for (i = 0, n = self.settings.options.length; i < n; i++) { + self.registerOption(self.settings.options[i]); + } + delete self.settings.options; + } + + // build optgroup table + if (self.settings.optgroups) { + for (i = 0, n = self.settings.optgroups.length; i < n; i++) { + self.registerOptionGroup(self.settings.optgroups[i]); + } + delete self.settings.optgroups; + } + + // option-dependent defaults + self.settings.mode = self.settings.mode || (self.settings.maxItems === 1 ? 'single' : 'multi'); + if (typeof self.settings.hideSelected !== 'boolean') { + self.settings.hideSelected = self.settings.mode === 'multi'; + } + + self.initializePlugins(self.settings.plugins); + self.setupCallbacks(); + self.setupTemplates(); + self.setup(); + }; + + // mixins + // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - + + MicroEvent.mixin(Selectize); + MicroPlugin.mixin(Selectize); + + // methods + // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - + + $.extend(Selectize.prototype, { + + /** + * Creates all elements and sets up event bindings. + */ + setup: function() { + var self = this; + var settings = self.settings; + var eventNS = self.eventNS; + var $window = $(window); + var $document = $(document); + var $input = self.$input; + + var $wrapper; + var $control; + var $control_input; + var $dropdown; + var $dropdown_content; + var $dropdown_parent; + var inputMode; + var timeout_blur; + var timeout_focus; + var classes; + var classes_plugins; + + inputMode = self.settings.mode; + classes = $input.attr('class') || ''; + + $wrapper = $('<div>').addClass(settings.wrapperClass).addClass(classes).addClass(inputMode); + $control = $('<div>').addClass(settings.inputClass).addClass('items').appendTo($wrapper); + $control_input = $('<input type="text" autocomplete="off" />').appendTo($control).attr('tabindex', $input.is(':disabled') ? '-1' : self.tabIndex); + $dropdown_parent = $(settings.dropdownParent || $wrapper); + $dropdown = $('<div>').addClass(settings.dropdownClass).addClass(inputMode).hide().appendTo($dropdown_parent); + $dropdown_content = $('<div>').addClass(settings.dropdownContentClass).appendTo($dropdown); + + if(self.settings.copyClassesToDropdown) { + $dropdown.addClass(classes); + } + + $wrapper.css({ + width: $input[0].style.width + }); + + if (self.plugins.names.length) { + classes_plugins = 'plugin-' + self.plugins.names.join(' plugin-'); + $wrapper.addClass(classes_plugins); + $dropdown.addClass(classes_plugins); + } + + if ((settings.maxItems === null || settings.maxItems > 1) && self.tagType === TAG_SELECT) { + $input.attr('multiple', 'multiple'); + } + + if (self.settings.placeholder) { + $control_input.attr('placeholder', settings.placeholder); + } + + // if splitOn was not passed in, construct it from the delimiter to allow pasting universally + if (!self.settings.splitOn && self.settings.delimiter) { + var delimiterEscaped = self.settings.delimiter.replace(/[-\/\\^$*+?.()|[\]{}]/g, '\\$&'); + self.settings.splitOn = new RegExp('\\s*' + delimiterEscaped + '+\\s*'); + } + + if ($input.attr('autocorrect')) { + $control_input.attr('autocorrect', $input.attr('autocorrect')); + } + + if ($input.attr('autocapitalize')) { + $control_input.attr('autocapitalize', $input.attr('autocapitalize')); + } + + self.$wrapper = $wrapper; + self.$control = $control; + self.$control_input = $control_input; + self.$dropdown = $dropdown; + self.$dropdown_content = $dropdown_content; + + $dropdown.on('mouseenter', '[data-selectable]', function() { return self.onOptionHover.apply(self, arguments); }); + $dropdown.on('mousedown click', '[data-selectable]', function() { return self.onOptionSelect.apply(self, arguments); }); + watchChildEvent($control, 'mousedown', '*:not(input)', function() { return self.onItemSelect.apply(self, arguments); }); + autoGrow($control_input); + + $control.on({ + mousedown : function() { return self.onMouseDown.apply(self, arguments); }, + click : function() { return self.onClick.apply(self, arguments); } + }); + + $control_input.on({ + mousedown : function(e) { e.stopPropagation(); }, + keydown : function() { return self.onKeyDown.apply(self, arguments); }, + keyup : function() { return self.onKeyUp.apply(self, arguments); }, + keypress : function() { return self.onKeyPress.apply(self, arguments); }, + resize : function() { self.positionDropdown.apply(self, []); }, + blur : function() { return self.onBlur.apply(self, arguments); }, + focus : function() { self.ignoreBlur = false; return self.onFocus.apply(self, arguments); }, + paste : function() { return self.onPaste.apply(self, arguments); } + }); + + $document.on('keydown' + eventNS, function(e) { + self.isCmdDown = e[IS_MAC ? 'metaKey' : 'ctrlKey']; + self.isCtrlDown = e[IS_MAC ? 'altKey' : 'ctrlKey']; + self.isShiftDown = e.shiftKey; + }); + + $document.on('keyup' + eventNS, function(e) { + if (e.keyCode === KEY_CTRL) self.isCtrlDown = false; + if (e.keyCode === KEY_SHIFT) self.isShiftDown = false; + if (e.keyCode === KEY_CMD) self.isCmdDown = false; + }); + + $document.on('mousedown' + eventNS, function(e) { + if (self.isFocused) { + // prevent events on the dropdown scrollbar from causing the control to blur + if (e.target === self.$dropdown[0] || e.target.parentNode === self.$dropdown[0]) { + return false; + } + // blur on click outside + if (!self.$control.has(e.target).length && e.target !== self.$control[0]) { + self.blur(e.target); + } + } + }); + + $window.on(['scroll' + eventNS, 'resize' + eventNS].join(' '), function() { + if (self.isOpen) { + self.positionDropdown.apply(self, arguments); + } + }); + $window.on('mousemove' + eventNS, function() { + self.ignoreHover = false; + }); + + // store original children and tab index so that they can be + // restored when the destroy() method is called. + this.revertSettings = { + $children : $input.children().detach(), + tabindex : $input.attr('tabindex') + }; + + $input.attr('tabindex', -1).hide().after(self.$wrapper); + + if ($.isArray(settings.items)) { + self.setValue(settings.items); + delete settings.items; + } + + // feature detect for the validation API + if (SUPPORTS_VALIDITY_API) { + $input.on('invalid' + eventNS, function(e) { + e.preventDefault(); + self.isInvalid = true; + self.refreshState(); + }); + } + + self.updateOriginalInput(); + self.refreshItems(); + self.refreshState(); + self.updatePlaceholder(); + self.isSetup = true; + + if ($input.is(':disabled')) { + self.disable(); + } + + self.on('change', this.onChange); + + $input.data('selectize', self); + $input.addClass('selectized'); + self.trigger('initialize'); + + // preload options + if (settings.preload === true) { + self.onSearchChange(''); + } + + }, + + /** + * Sets up default rendering functions. + */ + setupTemplates: function() { + var self = this; + var field_label = self.settings.labelField; + var field_optgroup = self.settings.optgroupLabelField; + + var templates = { + 'optgroup': function(data) { + return '<div class="optgroup">' + data.html + '</div>'; + }, + 'optgroup_header': function(data, escape) { + return '<div class="optgroup-header">' + escape(data[field_optgroup]) + '</div>'; + }, + 'option': function(data, escape) { + return '<div class="option">' + escape(data[field_label]) + '</div>'; + }, + 'item': function(data, escape) { + return '<div class="item">' + escape(data[field_label]) + '</div>'; + }, + 'option_create': function(data, escape) { + return '<div class="create">Add <strong>' + escape(data.input) + '</strong>…</div>'; + } + }; + + self.settings.render = $.extend({}, templates, self.settings.render); + }, + + /** + * Maps fired events to callbacks provided + * in the settings used when creating the control. + */ + setupCallbacks: function() { + var key, fn, callbacks = { + 'initialize' : 'onInitialize', + 'change' : 'onChange', + 'item_add' : 'onItemAdd', + 'item_remove' : 'onItemRemove', + 'clear' : 'onClear', + 'option_add' : 'onOptionAdd', + 'option_remove' : 'onOptionRemove', + 'option_clear' : 'onOptionClear', + 'optgroup_add' : 'onOptionGroupAdd', + 'optgroup_remove' : 'onOptionGroupRemove', + 'optgroup_clear' : 'onOptionGroupClear', + 'dropdown_open' : 'onDropdownOpen', + 'dropdown_close' : 'onDropdownClose', + 'type' : 'onType', + 'load' : 'onLoad', + 'focus' : 'onFocus', + 'blur' : 'onBlur' + }; + + for (key in callbacks) { + if (callbacks.hasOwnProperty(key)) { + fn = this.settings[callbacks[key]]; + if (fn) this.on(key, fn); + } + } + }, + + /** + * Triggered when the main control element + * has a click event. + * + * @param {object} e + * @return {boolean} + */ + onClick: function(e) { + var self = this; + + // necessary for mobile webkit devices (manual focus triggering + // is ignored unless invoked within a click event) + if (!self.isFocused) { + self.focus(); + e.preventDefault(); + } + }, + + /** + * Triggered when the main control element + * has a mouse down event. + * + * @param {object} e + * @return {boolean} + */ + onMouseDown: function(e) { + var self = this; + var defaultPrevented = e.isDefaultPrevented(); + var $target = $(e.target); + + if (self.isFocused) { + // retain focus by preventing native handling. if the + // event target is the input it should not be modified. + // otherwise, text selection within the input won't work. + if (e.target !== self.$control_input[0]) { + if (self.settings.mode === 'single') { + // toggle dropdown + self.isOpen ? self.close() : self.open(); + } else if (!defaultPrevented) { + self.setActiveItem(null); + } + return false; + } + } else { + // give control focus + if (!defaultPrevented) { + window.setTimeout(function() { + self.focus(); + }, 0); + } + } + }, + + /** + * Triggered when the value of the control has been changed. + * This should propagate the event to the original DOM + * input / select element. + */ + onChange: function() { + this.$input.trigger('change'); + }, + + /** + * Triggered on <input> paste. + * + * @param {object} e + * @returns {boolean} + */ + onPaste: function(e) { + var self = this; + if (self.isFull() || self.isInputHidden || self.isLocked) { + e.preventDefault(); + } else { + // If a regex or string is included, this will split the pasted + // input and create Items for each separate value + if (self.settings.splitOn) { + setTimeout(function() { + var splitInput = $.trim(self.$control_input.val() || '').split(self.settings.splitOn); + for (var i = 0, n = splitInput.length; i < n; i++) { + self.createItem(splitInput[i]); + } + }, 0); + } + } + }, + + /** + * Triggered on <input> keypress. + * + * @param {object} e + * @returns {boolean} + */ + onKeyPress: function(e) { + if (this.isLocked) return e && e.preventDefault(); + var character = String.fromCharCode(e.keyCode || e.which); + if (this.settings.create && this.settings.mode === 'multi' && character === this.settings.delimiter) { + this.createItem(); + e.preventDefault(); + return false; + } + }, + + /** + * Triggered on <input> keydown. + * + * @param {object} e + * @returns {boolean} + */ + onKeyDown: function(e) { + var isInput = e.target === this.$control_input[0]; + var self = this; + + if (self.isLocked) { + if (e.keyCode !== KEY_TAB) { + e.preventDefault(); + } + return; + } + + switch (e.keyCode) { + case KEY_A: + if (self.isCmdDown) { + self.selectAll(); + return; + } + break; + case KEY_ESC: + if (self.isOpen) { + e.preventDefault(); + e.stopPropagation(); + self.close(); + } + return; + case KEY_N: + if (!e.ctrlKey || e.altKey) break; + case KEY_DOWN: + if (!self.isOpen && self.hasOptions) { + self.open(); + } else if (self.$activeOption) { + self.ignoreHover = true; + var $next = self.getAdjacentOption(self.$activeOption, 1); + if ($next.length) self.setActiveOption($next, true, true); + } + e.preventDefault(); + return; + case KEY_P: + if (!e.ctrlKey || e.altKey) break; + case KEY_UP: + if (self.$activeOption) { + self.ignoreHover = true; + var $prev = self.getAdjacentOption(self.$activeOption, -1); + if ($prev.length) self.setActiveOption($prev, true, true); + } + e.preventDefault(); + return; + case KEY_RETURN: + if (self.isOpen && self.$activeOption) { + self.onOptionSelect({currentTarget: self.$activeOption}); + e.preventDefault(); + } + return; + case KEY_LEFT: + self.advanceSelection(-1, e); + return; + case KEY_RIGHT: + self.advanceSelection(1, e); + return; + case KEY_TAB: + if (self.settings.selectOnTab && self.isOpen && self.$activeOption) { + self.onOptionSelect({currentTarget: self.$activeOption}); + + // Default behaviour is to jump to the next field, we only want this + // if the current field doesn't accept any more entries + if (!self.isFull()) { + e.preventDefault(); + } + } + if (self.settings.create && self.createItem()) { + e.preventDefault(); + } + return; + case KEY_BACKSPACE: + case KEY_DELETE: + self.deleteSelection(e); + return; + } + + if ((self.isFull() || self.isInputHidden) && !(IS_MAC ? e.metaKey : e.ctrlKey)) { + e.preventDefault(); + return; + } + }, + + /** + * Triggered on <input> keyup. + * + * @param {object} e + * @returns {boolean} + */ + onKeyUp: function(e) { + var self = this; + + if (self.isLocked) return e && e.preventDefault(); + var value = self.$control_input.val() || ''; + if (self.lastValue !== value) { + self.lastValue = value; + self.onSearchChange(value); + self.refreshOptions(); + self.trigger('type', value); + } + }, + + /** + * Invokes the user-provide option provider / loader. + * + * Note: this function is debounced in the Selectize + * constructor (by `settings.loadThrottle` milliseconds) + * + * @param {string} value + */ + onSearchChange: function(value) { + var self = this; + var fn = self.settings.load; + if (!fn) return; + if (self.loadedSearches.hasOwnProperty(value)) return; + self.loadedSearches[value] = true; + self.load(function(callback) { + fn.apply(self, [value, callback]); + }); + }, + + /** + * Triggered on <input> focus. + * + * @param {object} e (optional) + * @returns {boolean} + */ + onFocus: function(e) { + var self = this; + var wasFocused = self.isFocused; + + if (self.isDisabled) { + self.blur(); + e && e.preventDefault(); + return false; + } + + if (self.ignoreFocus) return; + self.isFocused = true; + if (self.settings.preload === 'focus') self.onSearchChange(''); + + if (!wasFocused) self.trigger('focus'); + + if (!self.$activeItems.length) { + self.showInput(); + self.setActiveItem(null); + self.refreshOptions(!!self.settings.openOnFocus); + } + + self.refreshState(); + }, + + /** + * Triggered on <input> blur. + * + * @param {object} e + * @param {Element} dest + */ + onBlur: function(e, dest) { + var self = this; + if (!self.isFocused) return; + self.isFocused = false; + + if (self.ignoreFocus) { + return; + } else if (!self.ignoreBlur && document.activeElement === self.$dropdown_content[0]) { + // necessary to prevent IE closing the dropdown when the scrollbar is clicked + self.ignoreBlur = true; + self.onFocus(e); + return; + } + + var deactivate = function() { + self.close(); + self.setTextboxValue(''); + self.setActiveItem(null); + self.setActiveOption(null); + self.setCaret(self.items.length); + self.refreshState(); + + // IE11 bug: element still marked as active + dest && dest.focus(); + + self.ignoreFocus = false; + self.trigger('blur'); + }; + + self.ignoreFocus = true; + if (self.settings.create && self.settings.createOnBlur) { + self.createItem(null, false, deactivate); + } else { + deactivate(); + } + }, + + /** + * Triggered when the user rolls over + * an option in the autocomplete dropdown menu. + * + * @param {object} e + * @returns {boolean} + */ + onOptionHover: function(e) { + if (this.ignoreHover) return; + this.setActiveOption(e.currentTarget, false); + }, + + /** + * Triggered when the user clicks on an option + * in the autocomplete dropdown menu. + * + * @param {object} e + * @returns {boolean} + */ + onOptionSelect: function(e) { + var value, $target, $option, self = this; + + if (e.preventDefault) { + e.preventDefault(); + e.stopPropagation(); + } + + $target = $(e.currentTarget); + if ($target.hasClass('create')) { + self.createItem(null, function() { + if (self.settings.closeAfterSelect) { + self.close(); + } + }); + } else { + value = $target.attr('data-value'); + if (typeof value !== 'undefined') { + self.lastQuery = null; + self.setTextboxValue(''); + self.addItem(value); + if (self.settings.closeAfterSelect) { + self.close(); + } else if (!self.settings.hideSelected && e.type && /mouse/.test(e.type)) { + self.setActiveOption(self.getOption(value)); + } + } + } + }, + + /** + * Triggered when the user clicks on an item + * that has been selected. + * + * @param {object} e + * @returns {boolean} + */ + onItemSelect: function(e) { + var self = this; + + if (self.isLocked) return; + if (self.settings.mode === 'multi') { + e.preventDefault(); + self.setActiveItem(e.currentTarget, e); + } + }, + + /** + * Invokes the provided method that provides + * results to a callback---which are then added + * as options to the control. + * + * @param {function} fn + */ + load: function(fn) { + var self = this; + var $wrapper = self.$wrapper.addClass(self.settings.loadingClass); + + self.loading++; + fn.apply(self, [function(results) { + self.loading = Math.max(self.loading - 1, 0); + if (results && results.length) { + self.addOption(results); + self.refreshOptions(self.isFocused && !self.isInputHidden); + } + if (!self.loading) { + $wrapper.removeClass(self.settings.loadingClass); + } + self.trigger('load', results); + }]); + }, + + /** + * Sets the input field of the control to the specified value. + * + * @param {string} value + */ + setTextboxValue: function(value) { + var $input = this.$control_input; + var changed = $input.val() !== value; + if (changed) { + $input.val(value).triggerHandler('update'); + this.lastValue = value; + } + }, + + /** + * Returns the value of the control. If multiple items + * can be selected (e.g. <select multiple>), this returns + * an array. If only one item can be selected, this + * returns a string. + * + * @returns {mixed} + */ + getValue: function() { + if (this.tagType === TAG_SELECT && this.$input.attr('multiple')) { + return this.items; + } else { + return this.items.join(this.settings.delimiter); + } + }, + + /** + * Resets the selected items to the given value. + * + * @param {mixed} value + */ + setValue: function(value, silent) { + var events = silent ? [] : ['change']; + + debounce_events(this, events, function() { + this.clear(silent); + this.addItems(value, silent); + }); + }, + + /** + * Sets the selected item. + * + * @param {object} $item + * @param {object} e (optional) + */ + setActiveItem: function($item, e) { + var self = this; + var eventName; + var i, idx, begin, end, item, swap; + var $last; + + if (self.settings.mode === 'single') return; + $item = $($item); + + // clear the active selection + if (!$item.length) { + $(self.$activeItems).removeClass('active'); + self.$activeItems = []; + if (self.isFocused) { + self.showInput(); + } + return; + } + + // modify selection + eventName = e && e.type.toLowerCase(); + + if (eventName === 'mousedown' && self.isShiftDown && self.$activeItems.length) { + $last = self.$control.children('.active:last'); + begin = Array.prototype.indexOf.apply(self.$control[0].childNodes, [$last[0]]); + end = Array.prototype.indexOf.apply(self.$control[0].childNodes, [$item[0]]); + if (begin > end) { + swap = begin; + begin = end; + end = swap; + } + for (i = begin; i <= end; i++) { + item = self.$control[0].childNodes[i]; + if (self.$activeItems.indexOf(item) === -1) { + $(item).addClass('active'); + self.$activeItems.push(item); + } + } + e.preventDefault(); + } else if ((eventName === 'mousedown' && self.isCtrlDown) || (eventName === 'keydown' && this.isShiftDown)) { + if ($item.hasClass('active')) { + idx = self.$activeItems.indexOf($item[0]); + self.$activeItems.splice(idx, 1); + $item.removeClass('active'); + } else { + self.$activeItems.push($item.addClass('active')[0]); + } + } else { + $(self.$activeItems).removeClass('active'); + self.$activeItems = [$item.addClass('active')[0]]; + } + + // ensure control has focus + self.hideInput(); + if (!this.isFocused) { + self.focus(); + } + }, + + /** + * Sets the selected item in the dropdown menu + * of available options. + * + * @param {object} $object + * @param {boolean} scroll + * @param {boolean} animate + */ + setActiveOption: function($option, scroll, animate) { + var height_menu, height_item, y; + var scroll_top, scroll_bottom; + var self = this; + + if (self.$activeOption) self.$activeOption.removeClass('active'); + self.$activeOption = null; + + $option = $($option); + if (!$option.length) return; + + self.$activeOption = $option.addClass('active'); + + if (scroll || !isset(scroll)) { + + height_menu = self.$dropdown_content.height(); + height_item = self.$activeOption.outerHeight(true); + scroll = self.$dropdown_content.scrollTop() || 0; + y = self.$activeOption.offset().top - self.$dropdown_content.offset().top + scroll; + scroll_top = y; + scroll_bottom = y - height_menu + height_item; + + if (y + height_item > height_menu + scroll) { + self.$dropdown_content.stop().animate({scrollTop: scroll_bottom}, animate ? self.settings.scrollDuration : 0); + } else if (y < scroll) { + self.$dropdown_content.stop().animate({scrollTop: scroll_top}, animate ? self.settings.scrollDuration : 0); + } + + } + }, + + /** + * Selects all items (CTRL + A). + */ + selectAll: function() { + var self = this; + if (self.settings.mode === 'single') return; + + self.$activeItems = Array.prototype.slice.apply(self.$control.children(':not(input)').addClass('active')); + if (self.$activeItems.length) { + self.hideInput(); + self.close(); + } + self.focus(); + }, + + /** + * Hides the input element out of view, while + * retaining its focus. + */ + hideInput: function() { + var self = this; + + self.setTextboxValue(''); + self.$control_input.css({opacity: 0, position: 'absolute', left: self.rtl ? 10000 : -10000}); + self.isInputHidden = true; + }, + + /** + * Restores input visibility. + */ + showInput: function() { + this.$control_input.css({opacity: 1, position: 'relative', left: 0}); + this.isInputHidden = false; + }, + + /** + * Gives the control focus. + */ + focus: function() { + var self = this; + if (self.isDisabled) return; + + self.ignoreFocus = true; + self.$control_input[0].focus(); + window.setTimeout(function() { + self.ignoreFocus = false; + self.onFocus(); + }, 0); + }, + + /** + * Forces the control out of focus. + * + * @param {Element} dest + */ + blur: function(dest) { + this.$control_input[0].blur(); + this.onBlur(null, dest); + }, + + /** + * Returns a function that scores an object + * to show how good of a match it is to the + * provided query. + * + * @param {string} query + * @param {object} options + * @return {function} + */ + getScoreFunction: function(query) { + return this.sifter.getScoreFunction(query, this.getSearchOptions()); + }, + + /** + * Returns search options for sifter (the system + * for scoring and sorting results). + * + * @see https://github.com/brianreavis/sifter.js + * @return {object} + */ + getSearchOptions: function() { + var settings = this.settings; + var sort = settings.sortField; + if (typeof sort === 'string') { + sort = [{field: sort}]; + } + + return { + fields : settings.searchField, + conjunction : settings.searchConjunction, + sort : sort + }; + }, + + /** + * Searches through available options and returns + * a sorted array of matches. + * + * Returns an object containing: + * + * - query {string} + * - tokens {array} + * - total {int} + * - items {array} + * + * @param {string} query + * @returns {object} + */ + search: function(query) { + var i, value, score, result, calculateScore; + var self = this; + var settings = self.settings; + var options = this.getSearchOptions(); + + // validate user-provided result scoring function + if (settings.score) { + calculateScore = self.settings.score.apply(this, [query]); + if (typeof calculateScore !== 'function') { + throw new Error('Selectize "score" setting must be a function that returns a function'); + } + } + + // perform search + if (query !== self.lastQuery) { + self.lastQuery = query; + result = self.sifter.search(query, $.extend(options, {score: calculateScore})); + self.currentResults = result; + } else { + result = $.extend(true, {}, self.currentResults); + } + + // filter out selected items + if (settings.hideSelected) { + for (i = result.items.length - 1; i >= 0; i--) { + if (self.items.indexOf(hash_key(result.items[i].id)) !== -1) { + result.items.splice(i, 1); + } + } + } + + return result; + }, + + /** + * Refreshes the list of available options shown + * in the autocomplete dropdown menu. + * + * @param {boolean} triggerDropdown + */ + refreshOptions: function(triggerDropdown) { + var i, j, k, n, groups, groups_order, option, option_html, optgroup, optgroups, html, html_children, has_create_option; + var $active, $active_before, $create; + + if (typeof triggerDropdown === 'undefined') { + triggerDropdown = true; + } + + var self = this; + var query = $.trim(self.$control_input.val()); + var results = self.search(query); + var $dropdown_content = self.$dropdown_content; + var active_before = self.$activeOption && hash_key(self.$activeOption.attr('data-value')); + + // build markup + n = results.items.length; + if (typeof self.settings.maxOptions === 'number') { + n = Math.min(n, self.settings.maxOptions); + } + + // render and group available options individually + groups = {}; + groups_order = []; + + for (i = 0; i < n; i++) { + option = self.options[results.items[i].id]; + option_html = self.render('option', option); + optgroup = option[self.settings.optgroupField] || ''; + optgroups = $.isArray(optgroup) ? optgroup : [optgroup]; + + for (j = 0, k = optgroups && optgroups.length; j < k; j++) { + optgroup = optgroups[j]; + if (!self.optgroups.hasOwnProperty(optgroup)) { + optgroup = ''; + } + if (!groups.hasOwnProperty(optgroup)) { + groups[optgroup] = document.createDocumentFragment(); + groups_order.push(optgroup); + } + groups[optgroup].appendChild(option_html); + } + } + + // sort optgroups + if (this.settings.lockOptgroupOrder) { + groups_order.sort(function(a, b) { + var a_order = self.optgroups[a].$order || 0; + var b_order = self.optgroups[b].$order || 0; + return a_order - b_order; + }); + } + + // render optgroup headers & join groups + html = document.createDocumentFragment(); + for (i = 0, n = groups_order.length; i < n; i++) { + optgroup = groups_order[i]; + if (self.optgroups.hasOwnProperty(optgroup) && groups[optgroup].childNodes.length) { + // render the optgroup header and options within it, + // then pass it to the wrapper template + html_children = document.createDocumentFragment(); + html_children.appendChild(self.render('optgroup_header', self.optgroups[optgroup])); + html_children.appendChild(groups[optgroup]); + + html.appendChild(self.render('optgroup', $.extend({}, self.optgroups[optgroup], { + html: domToString(html_children), + dom: html_children + }))); + } else { + html.appendChild(groups[optgroup]); + } + } + + $dropdown_content.html(html); + + // highlight matching terms inline + if (self.settings.highlight && results.query.length && results.tokens.length) { + for (i = 0, n = results.tokens.length; i < n; i++) { + highlight($dropdown_content, results.tokens[i].regex); + } + } + + // add "selected" class to selected options + if (!self.settings.hideSelected) { + for (i = 0, n = self.items.length; i < n; i++) { + self.getOption(self.items[i]).addClass('selected'); + } + } + + // add create option + has_create_option = self.canCreate(query); + if (has_create_option) { + $dropdown_content.prepend(self.render('option_create', {input: query})); + $create = $($dropdown_content[0].childNodes[0]); + } + + // activate + self.hasOptions = results.items.length > 0 || has_create_option; + if (self.hasOptions) { + if (results.items.length > 0) { + $active_before = active_before && self.getOption(active_before); + if ($active_before && $active_before.length) { + $active = $active_before; + } else if (self.settings.mode === 'single' && self.items.length) { + $active = self.getOption(self.items[0]); + } + if (!$active || !$active.length) { + if ($create && !self.settings.addPrecedence) { + $active = self.getAdjacentOption($create, 1); + } else { + $active = $dropdown_content.find('[data-selectable]:first'); + } + } + } else { + $active = $create; + } + self.setActiveOption($active); + if (triggerDropdown && !self.isOpen) { self.open(); } + } else { + self.setActiveOption(null); + if (triggerDropdown && self.isOpen) { self.close(); } + } + }, + + /** + * Adds an available option. If it already exists, + * nothing will happen. Note: this does not refresh + * the options list dropdown (use `refreshOptions` + * for that). + * + * Usage: + * + * this.addOption(data) + * + * @param {object|array} data + */ + addOption: function(data) { + var i, n, value, self = this; + + if ($.isArray(data)) { + for (i = 0, n = data.length; i < n; i++) { + self.addOption(data[i]); + } + return; + } + + if (value = self.registerOption(data)) { + self.userOptions[value] = true; + self.lastQuery = null; + self.trigger('option_add', value, data); + } + }, + + /** + * Registers an option to the pool of options. + * + * @param {object} data + * @return {boolean|string} + */ + registerOption: function(data) { + var key = hash_key(data[this.settings.valueField]); + if (typeof key === 'undefined' || key === null || this.options.hasOwnProperty(key)) return false; + data.$order = data.$order || ++this.order; + this.options[key] = data; + return key; + }, + + /** + * Registers an option group to the pool of option groups. + * + * @param {object} data + * @return {boolean|string} + */ + registerOptionGroup: function(data) { + var key = hash_key(data[this.settings.optgroupValueField]); + if (!key) return false; + + data.$order = data.$order || ++this.order; + this.optgroups[key] = data; + return key; + }, + + /** + * Registers a new optgroup for options + * to be bucketed into. + * + * @param {string} id + * @param {object} data + */ + addOptionGroup: function(id, data) { + data[this.settings.optgroupValueField] = id; + if (id = this.registerOptionGroup(data)) { + this.trigger('optgroup_add', id, data); + } + }, + + /** + * Removes an existing option group. + * + * @param {string} id + */ + removeOptionGroup: function(id) { + if (this.optgroups.hasOwnProperty(id)) { + delete this.optgroups[id]; + this.renderCache = {}; + this.trigger('optgroup_remove', id); + } + }, + + /** + * Clears all existing option groups. + */ + clearOptionGroups: function() { + this.optgroups = {}; + this.renderCache = {}; + this.trigger('optgroup_clear'); + }, + + /** + * Updates an option available for selection. If + * it is visible in the selected items or options + * dropdown, it will be re-rendered automatically. + * + * @param {string} value + * @param {object} data + */ + updateOption: function(value, data) { + var self = this; + var $item, $item_new; + var value_new, index_item, cache_items, cache_options, order_old; + + value = hash_key(value); + value_new = hash_key(data[self.settings.valueField]); + + // sanity checks + if (value === null) return; + if (!self.options.hasOwnProperty(value)) return; + if (typeof value_new !== 'string') throw new Error('Value must be set in option data'); + + order_old = self.options[value].$order; + + // update references + if (value_new !== value) { + delete self.options[value]; + index_item = self.items.indexOf(value); + if (index_item !== -1) { + self.items.splice(index_item, 1, value_new); + } + } + data.$order = data.$order || order_old; + self.options[value_new] = data; + + // invalidate render cache + cache_items = self.renderCache['item']; + cache_options = self.renderCache['option']; + + if (cache_items) { + delete cache_items[value]; + delete cache_items[value_new]; + } + if (cache_options) { + delete cache_options[value]; + delete cache_options[value_new]; + } + + // update the item if it's selected + if (self.items.indexOf(value_new) !== -1) { + $item = self.getItem(value); + $item_new = $(self.render('item', data)); + if ($item.hasClass('active')) $item_new.addClass('active'); + $item.replaceWith($item_new); + } + + // invalidate last query because we might have updated the sortField + self.lastQuery = null; + + // update dropdown contents + if (self.isOpen) { + self.refreshOptions(false); + } + }, + + /** + * Removes a single option. + * + * @param {string} value + * @param {boolean} silent + */ + removeOption: function(value, silent) { + var self = this; + value = hash_key(value); + + var cache_items = self.renderCache['item']; + var cache_options = self.renderCache['option']; + if (cache_items) delete cache_items[value]; + if (cache_options) delete cache_options[value]; + + delete self.userOptions[value]; + delete self.options[value]; + self.lastQuery = null; + self.trigger('option_remove', value); + self.removeItem(value, silent); + }, + + /** + * Clears all options. + */ + clearOptions: function() { + var self = this; + + self.loadedSearches = {}; + self.userOptions = {}; + self.renderCache = {}; + self.options = self.sifter.items = {}; + self.lastQuery = null; + self.trigger('option_clear'); + self.clear(); + }, + + /** + * Returns the jQuery element of the option + * matching the given value. + * + * @param {string} value + * @returns {object} + */ + getOption: function(value) { + return this.getElementWithValue(value, this.$dropdown_content.find('[data-selectable]')); + }, + + /** + * Returns the jQuery element of the next or + * previous selectable option. + * + * @param {object} $option + * @param {int} direction can be 1 for next or -1 for previous + * @return {object} + */ + getAdjacentOption: function($option, direction) { + var $options = this.$dropdown.find('[data-selectable]'); + var index = $options.index($option) + direction; + + return index >= 0 && index < $options.length ? $options.eq(index) : $(); + }, + + /** + * Finds the first element with a "data-value" attribute + * that matches the given value. + * + * @param {mixed} value + * @param {object} $els + * @return {object} + */ + getElementWithValue: function(value, $els) { + value = hash_key(value); + + if (typeof value !== 'undefined' && value !== null) { + for (var i = 0, n = $els.length; i < n; i++) { + if ($els[i].getAttribute('data-value') === value) { + return $($els[i]); + } + } + } + + return $(); + }, + + /** + * Returns the jQuery element of the item + * matching the given value. + * + * @param {string} value + * @returns {object} + */ + getItem: function(value) { + return this.getElementWithValue(value, this.$control.children()); + }, + + /** + * "Selects" multiple items at once. Adds them to the list + * at the current caret position. + * + * @param {string} value + * @param {boolean} silent + */ + addItems: function(values, silent) { + var items = $.isArray(values) ? values : [values]; + for (var i = 0, n = items.length; i < n; i++) { + this.isPending = (i < n - 1); + this.addItem(items[i], silent); + } + }, + + /** + * "Selects" an item. Adds it to the list + * at the current caret position. + * + * @param {string} value + * @param {boolean} silent + */ + addItem: function(value, silent) { + var events = silent ? [] : ['change']; + + debounce_events(this, events, function() { + var $item, $option, $options; + var self = this; + var inputMode = self.settings.mode; + var i, active, value_next, wasFull; + value = hash_key(value); + + if (self.items.indexOf(value) !== -1) { + if (inputMode === 'single') self.close(); + return; + } + + if (!self.options.hasOwnProperty(value)) return; + if (inputMode === 'single') self.clear(silent); + if (inputMode === 'multi' && self.isFull()) return; + + $item = $(self.render('item', self.options[value])); + wasFull = self.isFull(); + self.items.splice(self.caretPos, 0, value); + self.insertAtCaret($item); + if (!self.isPending || (!wasFull && self.isFull())) { + self.refreshState(); + } + + if (self.isSetup) { + $options = self.$dropdown_content.find('[data-selectable]'); + + // update menu / remove the option (if this is not one item being added as part of series) + if (!self.isPending) { + $option = self.getOption(value); + value_next = self.getAdjacentOption($option, 1).attr('data-value'); + self.refreshOptions(self.isFocused && inputMode !== 'single'); + if (value_next) { + self.setActiveOption(self.getOption(value_next)); + } + } + + // hide the menu if the maximum number of items have been selected or no options are left + if (!$options.length || self.isFull()) { + self.close(); + } else { + self.positionDropdown(); + } + + self.updatePlaceholder(); + self.trigger('item_add', value, $item); + self.updateOriginalInput({silent: silent}); + } + }); + }, + + /** + * Removes the selected item matching + * the provided value. + * + * @param {string} value + */ + removeItem: function(value, silent) { + var self = this; + var $item, i, idx; + + $item = (value instanceof $) ? value : self.getItem(value); + value = hash_key($item.attr('data-value')); + i = self.items.indexOf(value); + + if (i !== -1) { + $item.remove(); + if ($item.hasClass('active')) { + idx = self.$activeItems.indexOf($item[0]); + self.$activeItems.splice(idx, 1); + } + + self.items.splice(i, 1); + self.lastQuery = null; + if (!self.settings.persist && self.userOptions.hasOwnProperty(value)) { + self.removeOption(value, silent); + } + + if (i < self.caretPos) { + self.setCaret(self.caretPos - 1); + } + + self.refreshState(); + self.updatePlaceholder(); + self.updateOriginalInput({silent: silent}); + self.positionDropdown(); + self.trigger('item_remove', value, $item); + } + }, + + /** + * Invokes the `create` method provided in the + * selectize options that should provide the data + * for the new item, given the user input. + * + * Once this completes, it will be added + * to the item list. + * + * @param {string} value + * @param {boolean} [triggerDropdown] + * @param {function} [callback] + * @return {boolean} + */ + createItem: function(input, triggerDropdown) { + var self = this; + var caret = self.caretPos; + input = input || $.trim(self.$control_input.val() || ''); + + var callback = arguments[arguments.length - 1]; + if (typeof callback !== 'function') callback = function() {}; + + if (typeof triggerDropdown !== 'boolean') { + triggerDropdown = true; + } + + if (!self.canCreate(input)) { + callback(); + return false; + } + + self.lock(); + + var setup = (typeof self.settings.create === 'function') ? this.settings.create : function(input) { + var data = {}; + data[self.settings.labelField] = input; + data[self.settings.valueField] = input; + return data; + }; + + var create = once(function(data) { + self.unlock(); + + if (!data || typeof data !== 'object') return callback(); + var value = hash_key(data[self.settings.valueField]); + if (typeof value !== 'string') return callback(); + + self.setTextboxValue(''); + self.addOption(data); + self.setCaret(caret); + self.addItem(value); + self.refreshOptions(triggerDropdown && self.settings.mode !== 'single'); + callback(data); + }); + + var output = setup.apply(this, [input, create]); + if (typeof output !== 'undefined') { + create(output); + } + + return true; + }, + + /** + * Re-renders the selected item lists. + */ + refreshItems: function() { + this.lastQuery = null; + + if (this.isSetup) { + this.addItem(this.items); + } + + this.refreshState(); + this.updateOriginalInput(); + }, + + /** + * Updates all state-dependent attributes + * and CSS classes. + */ + refreshState: function() { + var invalid, self = this; + if (self.isRequired) { + if (self.items.length) self.isInvalid = false; + self.$control_input.prop('required', invalid); + } + self.refreshClasses(); + }, + + /** + * Updates all state-dependent CSS classes. + */ + refreshClasses: function() { + var self = this; + var isFull = self.isFull(); + var isLocked = self.isLocked; + + self.$wrapper + .toggleClass('rtl', self.rtl); + + self.$control + .toggleClass('focus', self.isFocused) + .toggleClass('disabled', self.isDisabled) + .toggleClass('required', self.isRequired) + .toggleClass('invalid', self.isInvalid) + .toggleClass('locked', isLocked) + .toggleClass('full', isFull).toggleClass('not-full', !isFull) + .toggleClass('input-active', self.isFocused && !self.isInputHidden) + .toggleClass('dropdown-active', self.isOpen) + .toggleClass('has-options', !$.isEmptyObject(self.options)) + .toggleClass('has-items', self.items.length > 0); + + self.$control_input.data('grow', !isFull && !isLocked); + }, + + /** + * Determines whether or not more items can be added + * to the control without exceeding the user-defined maximum. + * + * @returns {boolean} + */ + isFull: function() { + return this.settings.maxItems !== null && this.items.length >= this.settings.maxItems; + }, + + /** + * Refreshes the original <select> or <input> + * element to reflect the current state. + */ + updateOriginalInput: function(opts) { + var i, n, options, label, self = this; + opts = opts || {}; + + if (self.tagType === TAG_SELECT) { + options = []; + for (i = 0, n = self.items.length; i < n; i++) { + label = self.options[self.items[i]][self.settings.labelField] || ''; + options.push('<option value="' + escape_html(self.items[i]) + '" selected="selected">' + escape_html(label) + '</option>'); + } + if (!options.length && !this.$input.attr('multiple')) { + options.push('<option value="" selected="selected"></option>'); + } + self.$input.html(options.join('')); + } else { + self.$input.val(self.getValue()); + self.$input.attr('value',self.$input.val()); + } + + if (self.isSetup) { + if (!opts.silent) { + self.trigger('change', self.$input.val()); + } + } + }, + + /** + * Shows/hide the input placeholder depending + * on if there items in the list already. + */ + updatePlaceholder: function() { + if (!this.settings.placeholder) return; + var $input = this.$control_input; + + if (this.items.length) { + $input.removeAttr('placeholder'); + } else { + $input.attr('placeholder', this.settings.placeholder); + } + $input.triggerHandler('update', {force: true}); + }, + + /** + * Shows the autocomplete dropdown containing + * the available options. + */ + open: function() { + var self = this; + + if (self.isLocked || self.isOpen || (self.settings.mode === 'multi' && self.isFull())) return; + self.focus(); + self.isOpen = true; + self.refreshState(); + self.$dropdown.css({visibility: 'hidden', display: 'block'}); + self.positionDropdown(); + self.$dropdown.css({visibility: 'visible'}); + self.trigger('dropdown_open', self.$dropdown); + }, + + /** + * Closes the autocomplete dropdown menu. + */ + close: function() { + var self = this; + var trigger = self.isOpen; + + if (self.settings.mode === 'single' && self.items.length) { + self.hideInput(); + } + + self.isOpen = false; + self.$dropdown.hide(); + self.setActiveOption(null); + self.refreshState(); + + if (trigger) self.trigger('dropdown_close', self.$dropdown); + }, + + /** + * Calculates and applies the appropriate + * position of the dropdown. + */ + positionDropdown: function() { + var $control = this.$control; + var offset = this.settings.dropdownParent === 'body' ? $control.offset() : $control.position(); + offset.top += $control.outerHeight(true); + + this.$dropdown.css({ + width : $control.outerWidth(), + top : offset.top, + left : offset.left + }); + }, + + /** + * Resets / clears all selected items + * from the control. + * + * @param {boolean} silent + */ + clear: function(silent) { + var self = this; + + if (!self.items.length) return; + self.$control.children(':not(input)').remove(); + self.items = []; + self.lastQuery = null; + self.setCaret(0); + self.setActiveItem(null); + self.updatePlaceholder(); + self.updateOriginalInput({silent: silent}); + self.refreshState(); + self.showInput(); + self.trigger('clear'); + }, + + /** + * A helper method for inserting an element + * at the current caret position. + * + * @param {object} $el + */ + insertAtCaret: function($el) { + var caret = Math.min(this.caretPos, this.items.length); + if (caret === 0) { + this.$control.prepend($el); + } else { + $(this.$control[0].childNodes[caret]).before($el); + } + this.setCaret(caret + 1); + }, + + /** + * Removes the current selected item(s). + * + * @param {object} e (optional) + * @returns {boolean} + */ + deleteSelection: function(e) { + var i, n, direction, selection, values, caret, option_select, $option_select, $tail; + var self = this; + + direction = (e && e.keyCode === KEY_BACKSPACE) ? -1 : 1; + selection = getSelection(self.$control_input[0]); + + if (self.$activeOption && !self.settings.hideSelected) { + option_select = self.getAdjacentOption(self.$activeOption, -1).attr('data-value'); + } + + // determine items that will be removed + values = []; + + if (self.$activeItems.length) { + $tail = self.$control.children('.active:' + (direction > 0 ? 'last' : 'first')); + caret = self.$control.children(':not(input)').index($tail); + if (direction > 0) { caret++; } + + for (i = 0, n = self.$activeItems.length; i < n; i++) { + values.push($(self.$activeItems[i]).attr('data-value')); + } + if (e) { + e.preventDefault(); + e.stopPropagation(); + } + } else if ((self.isFocused || self.settings.mode === 'single') && self.items.length) { + if (direction < 0 && selection.start === 0 && selection.length === 0) { + values.push(self.items[self.caretPos - 1]); + } else if (direction > 0 && selection.start === self.$control_input.val().length) { + values.push(self.items[self.caretPos]); + } + } + + // allow the callback to abort + if (!values.length || (typeof self.settings.onDelete === 'function' && self.settings.onDelete.apply(self, [values]) === false)) { + return false; + } + + // perform removal + if (typeof caret !== 'undefined') { + self.setCaret(caret); + } + while (values.length) { + self.removeItem(values.pop()); + } + + self.showInput(); + self.positionDropdown(); + self.refreshOptions(true); + + // select previous option + if (option_select) { + $option_select = self.getOption(option_select); + if ($option_select.length) { + self.setActiveOption($option_select); + } + } + + return true; + }, + + /** + * Selects the previous / next item (depending + * on the `direction` argument). + * + * > 0 - right + * < 0 - left + * + * @param {int} direction + * @param {object} e (optional) + */ + advanceSelection: function(direction, e) { + var tail, selection, idx, valueLength, cursorAtEdge, $tail; + var self = this; + + if (direction === 0) return; + if (self.rtl) direction *= -1; + + tail = direction > 0 ? 'last' : 'first'; + selection = getSelection(self.$control_input[0]); + + if (self.isFocused && !self.isInputHidden) { + valueLength = self.$control_input.val().length; + cursorAtEdge = direction < 0 + ? selection.start === 0 && selection.length === 0 + : selection.start === valueLength; + + if (cursorAtEdge && !valueLength) { + self.advanceCaret(direction, e); + } + } else { + $tail = self.$control.children('.active:' + tail); + if ($tail.length) { + idx = self.$control.children(':not(input)').index($tail); + self.setActiveItem(null); + self.setCaret(direction > 0 ? idx + 1 : idx); + } + } + }, + + /** + * Moves the caret left / right. + * + * @param {int} direction + * @param {object} e (optional) + */ + advanceCaret: function(direction, e) { + var self = this, fn, $adj; + + if (direction === 0) return; + + fn = direction > 0 ? 'next' : 'prev'; + if (self.isShiftDown) { + $adj = self.$control_input[fn](); + if ($adj.length) { + self.hideInput(); + self.setActiveItem($adj); + e && e.preventDefault(); + } + } else { + self.setCaret(self.caretPos + direction); + } + }, + + /** + * Moves the caret to the specified index. + * + * @param {int} i + */ + setCaret: function(i) { + var self = this; + + if (self.settings.mode === 'single') { + i = self.items.length; + } else { + i = Math.max(0, Math.min(self.items.length, i)); + } + + if(!self.isPending) { + // the input must be moved by leaving it in place and moving the + // siblings, due to the fact that focus cannot be restored once lost + // on mobile webkit devices + var j, n, fn, $children, $child; + $children = self.$control.children(':not(input)'); + for (j = 0, n = $children.length; j < n; j++) { + $child = $($children[j]).detach(); + if (j < i) { + self.$control_input.before($child); + } else { + self.$control.append($child); + } + } + } + + self.caretPos = i; + }, + + /** + * Disables user input on the control. Used while + * items are being asynchronously created. + */ + lock: function() { + this.close(); + this.isLocked = true; + this.refreshState(); + }, + + /** + * Re-enables user input on the control. + */ + unlock: function() { + this.isLocked = false; + this.refreshState(); + }, + + /** + * Disables user input on the control completely. + * While disabled, it cannot receive focus. + */ + disable: function() { + var self = this; + self.$input.prop('disabled', true); + self.$control_input.prop('disabled', true).prop('tabindex', -1); + self.isDisabled = true; + self.lock(); + }, + + /** + * Enables the control so that it can respond + * to focus and user input. + */ + enable: function() { + var self = this; + self.$input.prop('disabled', false); + self.$control_input.prop('disabled', false).prop('tabindex', self.tabIndex); + self.isDisabled = false; + self.unlock(); + }, + + /** + * Completely destroys the control and + * unbinds all event listeners so that it can + * be garbage collected. + */ + destroy: function() { + var self = this; + var eventNS = self.eventNS; + var revertSettings = self.revertSettings; + + self.trigger('destroy'); + self.off(); + self.$wrapper.remove(); + self.$dropdown.remove(); + + self.$input + .html('') + .append(revertSettings.$children) + .removeAttr('tabindex') + .removeClass('selectized') + .attr({tabindex: revertSettings.tabindex}) + .show(); + + self.$control_input.removeData('grow'); + self.$input.removeData('selectize'); + + $(window).off(eventNS); + $(document).off(eventNS); + $(document.body).off(eventNS); + + delete self.$input[0].selectize; + }, + + /** + * A helper method for rendering "item" and + * "option" templates, given the data. + * + * @param {string} templateName + * @param {object} data + * @returns {string} + */ + render: function(templateName, data) { + var value, id, label; + var html = ''; + var cache = false; + var self = this; + var regex_tag = /^[\t \r\n]*<([a-z][a-z0-9\-_]*(?:\:[a-z][a-z0-9\-_]*)?)/i; + + if (templateName === 'option' || templateName === 'item') { + value = hash_key(data[self.settings.valueField]); + cache = !!value; + } + + // pull markup from cache if it exists + if (cache) { + if (!isset(self.renderCache[templateName])) { + self.renderCache[templateName] = {}; + } + if (self.renderCache[templateName].hasOwnProperty(value)) { + return self.renderCache[templateName][value]; + } + } + + // render markup + html = $(self.settings.render[templateName].apply(this, [data, escape_html])); + + // add mandatory attributes + if (templateName === 'option' || templateName === 'option_create') { + html.attr('data-selectable', ''); + } + else if (templateName === 'optgroup') { + id = data[self.settings.optgroupValueField] || ''; + html.attr('data-group', id); + } + if (templateName === 'option' || templateName === 'item') { + html.attr('data-value', value || ''); + } + + // update cache + if (cache) { + self.renderCache[templateName][value] = html[0]; + } + + return html[0]; + }, + + /** + * Clears the render cache for a template. If + * no template is given, clears all render + * caches. + * + * @param {string} templateName + */ + clearCache: function(templateName) { + var self = this; + if (typeof templateName === 'undefined') { + self.renderCache = {}; + } else { + delete self.renderCache[templateName]; + } + }, + + /** + * Determines whether or not to display the + * create item prompt, given a user input. + * + * @param {string} input + * @return {boolean} + */ + canCreate: function(input) { + var self = this; + if (!self.settings.create) return false; + var filter = self.settings.createFilter; + return input.length + && (typeof filter !== 'function' || filter.apply(self, [input])) + && (typeof filter !== 'string' || new RegExp(filter).test(input)) + && (!(filter instanceof RegExp) || filter.test(input)); + } + + }); + + + Selectize.count = 0; + Selectize.defaults = { + options: [], + optgroups: [], + + plugins: [], + delimiter: ',', + splitOn: null, // regexp or string for splitting up values from a paste command + persist: true, + diacritics: true, + create: false, + createOnBlur: false, + createFilter: null, + highlight: true, + openOnFocus: true, + maxOptions: 1000, + maxItems: null, + hideSelected: null, + addPrecedence: false, + selectOnTab: false, + preload: false, + allowEmptyOption: false, + closeAfterSelect: false, + + scrollDuration: 60, + loadThrottle: 300, + loadingClass: 'loading', + + dataAttr: 'data-data', + optgroupField: 'optgroup', + valueField: 'value', + labelField: 'text', + optgroupLabelField: 'label', + optgroupValueField: 'value', + lockOptgroupOrder: false, + + sortField: '$order', + searchField: ['text'], + searchConjunction: 'and', + + mode: null, + wrapperClass: 'selectize-control', + inputClass: 'selectize-input', + dropdownClass: 'selectize-dropdown', + dropdownContentClass: 'selectize-dropdown-content', + + dropdownParent: null, + + copyClassesToDropdown: true, + + /* + load : null, // function(query, callback) { ... } + score : null, // function(search) { ... } + onInitialize : null, // function() { ... } + onChange : null, // function(value) { ... } + onItemAdd : null, // function(value, $item) { ... } + onItemRemove : null, // function(value) { ... } + onClear : null, // function() { ... } + onOptionAdd : null, // function(value, data) { ... } + onOptionRemove : null, // function(value) { ... } + onOptionClear : null, // function() { ... } + onOptionGroupAdd : null, // function(id, data) { ... } + onOptionGroupRemove : null, // function(id) { ... } + onOptionGroupClear : null, // function() { ... } + onDropdownOpen : null, // function($dropdown) { ... } + onDropdownClose : null, // function($dropdown) { ... } + onType : null, // function(str) { ... } + onDelete : null, // function(values) { ... } + */ + + render: { + /* + item: null, + optgroup: null, + optgroup_header: null, + option: null, + option_create: null + */ + } + }; + + + $.fn.selectize = function(settings_user) { + var defaults = $.fn.selectize.defaults; + var settings = $.extend({}, defaults, settings_user); + var attr_data = settings.dataAttr; + var field_label = settings.labelField; + var field_value = settings.valueField; + var field_optgroup = settings.optgroupField; + var field_optgroup_label = settings.optgroupLabelField; + var field_optgroup_value = settings.optgroupValueField; + + /** + * Initializes selectize from a <input type="text"> element. + * + * @param {object} $input + * @param {object} settings_element + */ + var init_textbox = function($input, settings_element) { + var i, n, values, option; + + var data_raw = $input.attr(attr_data); + + if (!data_raw) { + var value = $.trim($input.val() || ''); + if (!settings.allowEmptyOption && !value.length) return; + values = value.split(settings.delimiter); + for (i = 0, n = values.length; i < n; i++) { + option = {}; + option[field_label] = values[i]; + option[field_value] = values[i]; + settings_element.options.push(option); + } + settings_element.items = values; + } else { + settings_element.options = JSON.parse(data_raw); + for (i = 0, n = settings_element.options.length; i < n; i++) { + settings_element.items.push(settings_element.options[i][field_value]); + } + } + }; + + /** + * Initializes selectize from a <select> element. + * + * @param {object} $input + * @param {object} settings_element + */ + var init_select = function($input, settings_element) { + var i, n, tagName, $children, order = 0; + var options = settings_element.options; + var optionsMap = {}; + + var readData = function($el) { + var data = attr_data && $el.attr(attr_data); + if (typeof data === 'string' && data.length) { + return JSON.parse(data); + } + return null; + }; + + var addOption = function($option, group) { + $option = $($option); + + var value = hash_key($option.val()); + if (!value && !settings.allowEmptyOption) return; + + // if the option already exists, it's probably been + // duplicated in another optgroup. in this case, push + // the current group to the "optgroup" property on the + // existing option so that it's rendered in both places. + if (optionsMap.hasOwnProperty(value)) { + if (group) { + var arr = optionsMap[value][field_optgroup]; + if (!arr) { + optionsMap[value][field_optgroup] = group; + } else if (!$.isArray(arr)) { + optionsMap[value][field_optgroup] = [arr, group]; + } else { + arr.push(group); + } + } + return; + } + + var option = readData($option) || {}; + option[field_label] = option[field_label] || $option.text(); + option[field_value] = option[field_value] || value; + option[field_optgroup] = option[field_optgroup] || group; + + optionsMap[value] = option; + options.push(option); + + if ($option.is(':selected')) { + settings_element.items.push(value); + } + }; + + var addGroup = function($optgroup) { + var i, n, id, optgroup, $options; + + $optgroup = $($optgroup); + id = $optgroup.attr('label'); + + if (id) { + optgroup = readData($optgroup) || {}; + optgroup[field_optgroup_label] = id; + optgroup[field_optgroup_value] = id; + settings_element.optgroups.push(optgroup); + } + + $options = $('option', $optgroup); + for (i = 0, n = $options.length; i < n; i++) { + addOption($options[i], id); + } + }; + + settings_element.maxItems = $input.attr('multiple') ? null : 1; + + $children = $input.children(); + for (i = 0, n = $children.length; i < n; i++) { + tagName = $children[i].tagName.toLowerCase(); + if (tagName === 'optgroup') { + addGroup($children[i]); + } else if (tagName === 'option') { + addOption($children[i]); + } + } + }; + + return this.each(function() { + if (this.selectize) return; + + var instance; + var $input = $(this); + var tag_name = this.tagName.toLowerCase(); + var placeholder = $input.attr('placeholder') || $input.attr('data-placeholder'); + if (!placeholder && !settings.allowEmptyOption) { + placeholder = $input.children('option[value=""]').text(); + } + + var settings_element = { + 'placeholder' : placeholder, + 'options' : [], + 'optgroups' : [], + 'items' : [] + }; + + if (tag_name === 'select') { + init_select($input, settings_element); + } else { + init_textbox($input, settings_element); + } + + instance = new Selectize($input, $.extend(true, {}, defaults, settings_element, settings_user)); + }); + }; + + $.fn.selectize.defaults = Selectize.defaults; + $.fn.selectize.support = { + validity: SUPPORTS_VALIDITY_API + }; + + + Selectize.define('drag_drop', function(options) { + if (!$.fn.sortable) throw new Error('The "drag_drop" plugin requires jQuery UI "sortable".'); + if (this.settings.mode !== 'multi') return; + var self = this; + + self.lock = (function() { + var original = self.lock; + return function() { + var sortable = self.$control.data('sortable'); + if (sortable) sortable.disable(); + return original.apply(self, arguments); + }; + })(); + + self.unlock = (function() { + var original = self.unlock; + return function() { + var sortable = self.$control.data('sortable'); + if (sortable) sortable.enable(); + return original.apply(self, arguments); + }; + })(); + + self.setup = (function() { + var original = self.setup; + return function() { + original.apply(this, arguments); + + var $control = self.$control.sortable({ + items: '[data-value]', + forcePlaceholderSize: true, + disabled: self.isLocked, + start: function(e, ui) { + ui.placeholder.css('width', ui.helper.css('width')); + $control.css({overflow: 'visible'}); + }, + stop: function() { + $control.css({overflow: 'hidden'}); + var active = self.$activeItems ? self.$activeItems.slice() : null; + var values = []; + $control.children('[data-value]').each(function() { + values.push($(this).attr('data-value')); + }); + self.setValue(values); + self.setActiveItem(active); + } + }); + }; + })(); + + }); + + Selectize.define('dropdown_header', function(options) { + var self = this; + + options = $.extend({ + title : 'Untitled', + headerClass : 'selectize-dropdown-header', + titleRowClass : 'selectize-dropdown-header-title', + labelClass : 'selectize-dropdown-header-label', + closeClass : 'selectize-dropdown-header-close', + + html: function(data) { + return ( + '<div class="' + data.headerClass + '">' + + '<div class="' + data.titleRowClass + '">' + + '<span class="' + data.labelClass + '">' + data.title + '</span>' + + '<a href="javascript:void(0)" class="' + data.closeClass + '">×</a>' + + '</div>' + + '</div>' + ); + } + }, options); + + self.setup = (function() { + var original = self.setup; + return function() { + original.apply(self, arguments); + self.$dropdown_header = $(options.html(options)); + self.$dropdown.prepend(self.$dropdown_header); + }; + })(); + + }); + + Selectize.define('optgroup_columns', function(options) { + var self = this; + + options = $.extend({ + equalizeWidth : true, + equalizeHeight : true + }, options); + + this.getAdjacentOption = function($option, direction) { + var $options = $option.closest('[data-group]').find('[data-selectable]'); + var index = $options.index($option) + direction; + + return index >= 0 && index < $options.length ? $options.eq(index) : $(); + }; + + this.onKeyDown = (function() { + var original = self.onKeyDown; + return function(e) { + var index, $option, $options, $optgroup; + + if (this.isOpen && (e.keyCode === KEY_LEFT || e.keyCode === KEY_RIGHT)) { + self.ignoreHover = true; + $optgroup = this.$activeOption.closest('[data-group]'); + index = $optgroup.find('[data-selectable]').index(this.$activeOption); + + if(e.keyCode === KEY_LEFT) { + $optgroup = $optgroup.prev('[data-group]'); + } else { + $optgroup = $optgroup.next('[data-group]'); + } + + $options = $optgroup.find('[data-selectable]'); + $option = $options.eq(Math.min($options.length - 1, index)); + if ($option.length) { + this.setActiveOption($option); + } + return; + } + + return original.apply(this, arguments); + }; + })(); + + var getScrollbarWidth = function() { + var div; + var width = getScrollbarWidth.width; + var doc = document; + + if (typeof width === 'undefined') { + div = doc.createElement('div'); + div.innerHTML = '<div style="width:50px;height:50px;position:absolute;left:-50px;top:-50px;overflow:auto;"><div style="width:1px;height:100px;"></div></div>'; + div = div.firstChild; + doc.body.appendChild(div); + width = getScrollbarWidth.width = div.offsetWidth - div.clientWidth; + doc.body.removeChild(div); + } + return width; + }; + + var equalizeSizes = function() { + var i, n, height_max, width, width_last, width_parent, $optgroups; + + $optgroups = $('[data-group]', self.$dropdown_content); + n = $optgroups.length; + if (!n || !self.$dropdown_content.width()) return; + + if (options.equalizeHeight) { + height_max = 0; + for (i = 0; i < n; i++) { + height_max = Math.max(height_max, $optgroups.eq(i).height()); + } + $optgroups.css({height: height_max}); + } + + if (options.equalizeWidth) { + width_parent = self.$dropdown_content.innerWidth() - getScrollbarWidth(); + width = Math.round(width_parent / n); + $optgroups.css({width: width}); + if (n > 1) { + width_last = width_parent - width * (n - 1); + $optgroups.eq(n - 1).css({width: width_last}); + } + } + }; + + if (options.equalizeHeight || options.equalizeWidth) { + hook.after(this, 'positionDropdown', equalizeSizes); + hook.after(this, 'refreshOptions', equalizeSizes); + } + + + }); + + Selectize.define('remove_button', function(options) { + options = $.extend({ + label : '×', + title : 'Remove', + className : 'remove', + append : true + }, options); + + var singleClose = function(thisRef, options) { + + options.className = 'remove-single'; + + var self = thisRef; + var html = '<a href="javascript:void(0)" class="' + options.className + '" tabindex="-1" title="' + escape_html(options.title) + '">' + options.label + '</a>'; + + /** + * Appends an element as a child (with raw HTML). + * + * @param {string} html_container + * @param {string} html_element + * @return {string} + */ + var append = function(html_container, html_element) { + return html_container + html_element; + }; + + thisRef.setup = (function() { + var original = self.setup; + return function() { + // override the item rendering method to add the button to each + if (options.append) { + var id = $(self.$input.context).attr('id'); + var selectizer = $('#'+id); + + var render_item = self.settings.render.item; + self.settings.render.item = function(data) { + return append(render_item.apply(thisRef, arguments), html); + }; + } + + original.apply(thisRef, arguments); + + // add event listener + thisRef.$control.on('click', '.' + options.className, function(e) { + e.preventDefault(); + if (self.isLocked) return; + + self.clear(); + }); + + }; + })(); + }; + + var multiClose = function(thisRef, options) { + + var self = thisRef; + var html = '<a href="javascript:void(0)" class="' + options.className + '" tabindex="-1" title="' + escape_html(options.title) + '">' + options.label + '</a>'; + + /** + * Appends an element as a child (with raw HTML). + * + * @param {string} html_container + * @param {string} html_element + * @return {string} + */ + var append = function(html_container, html_element) { + var pos = html_container.search(/(<\/[^>]+>\s*)$/); + return html_container.substring(0, pos) + html_element + html_container.substring(pos); + }; + + thisRef.setup = (function() { + var original = self.setup; + return function() { + // override the item rendering method to add the button to each + if (options.append) { + var render_item = self.settings.render.item; + self.settings.render.item = function(data) { + return append(render_item.apply(thisRef, arguments), html); + }; + } + + original.apply(thisRef, arguments); + + // add event listener + thisRef.$control.on('click', '.' + options.className, function(e) { + e.preventDefault(); + if (self.isLocked) return; + + var $item = $(e.currentTarget).parent(); + self.setActiveItem($item); + if (self.deleteSelection()) { + self.setCaret(self.items.length); + } + }); + + }; + })(); + }; + + if (this.settings.mode === 'single') { + singleClose(this, options); + return; + } else { + multiClose(this, options); + } + }); + + + Selectize.define('restore_on_backspace', function(options) { + var self = this; + + options.text = options.text || function(option) { + return option[this.settings.labelField]; + }; + + this.onKeyDown = (function() { + var original = self.onKeyDown; + return function(e) { + var index, option; + if (e.keyCode === KEY_BACKSPACE && this.$control_input.val() === '' && !this.$activeItems.length) { + index = this.caretPos - 1; + if (index >= 0 && index < this.items.length) { + option = this.options[this.items[index]]; + if (this.deleteSelection(e)) { + this.setTextboxValue(options.text.apply(this, [option])); + this.refreshOptions(true); + } + e.preventDefault(); + return; + } + } + return original.apply(this, arguments); + }; + })(); + }); + + + return Selectize; +}));
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