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/bower_components/bootstrap-tokenfield/js/bootstrap-tokenfield.js
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/*!
* bootstrap-tokenfield
* https://github.com/sliptree/bootstrap-tokenfield
* Copyright 2013-2014 Sliptree and other contributors; Licensed MIT
*/
 
(function (factory) {
if (typeof define === 'function' && define.amd) {
// AMD. Register as an anonymous module.
define(['jquery'], factory);
} else if (typeof exports === 'object') {
// For CommonJS and CommonJS-like environments where a window with jQuery
// is present, execute the factory with the jQuery instance from the window object
// For environments that do not inherently posses a window with a document
// (such as Node.js), expose a Tokenfield-making factory as module.exports
// This accentuates the need for the creation of a real window or passing in a jQuery instance
// e.g. require("bootstrap-tokenfield")(window); or require("bootstrap-tokenfield")($);
module.exports = global.window && global.window.$ ?
factory( global.window.$ ) :
function( input ) {
if ( !input.$ && !input.fn ) {
throw new Error( "Tokenfield requires a window object with jQuery or a jQuery instance" );
}
return factory( input.$ || input );
};
} else {
// Browser globals
factory(jQuery, window);
}
}(function ($, window) {
 
"use strict"; // jshint ;_;
 
/* TOKENFIELD PUBLIC CLASS DEFINITION
* ============================== */
 
var Tokenfield = function (element, options) {
var _self = this
 
this.$element = $(element)
this.textDirection = this.$element.css('direction');
 
// Extend options
this.options = $.extend(true, {}, $.fn.tokenfield.defaults, { tokens: this.$element.val() }, this.$element.data(), options)
 
// Setup delimiters and trigger keys
this._delimiters = (typeof this.options.delimiter === 'string') ? [this.options.delimiter] : this.options.delimiter
this._triggerKeys = $.map(this._delimiters, function (delimiter) {
return delimiter.charCodeAt(0);
});
this._firstDelimiter = this._delimiters[0];
 
// Check for whitespace, dash and special characters
var whitespace = $.inArray(' ', this._delimiters)
, dash = $.inArray('-', this._delimiters)
 
if (whitespace >= 0)
this._delimiters[whitespace] = '\\s'
 
if (dash >= 0) {
delete this._delimiters[dash]
this._delimiters.unshift('-')
}
 
var specialCharacters = ['\\', '$', '[', '{', '^', '.', '|', '?', '*', '+', '(', ')']
$.each(this._delimiters, function (index, character) {
var pos = $.inArray(character, specialCharacters)
if (pos >= 0) _self._delimiters[index] = '\\' + character;
});
 
// Store original input width
var elRules = (window && typeof window.getMatchedCSSRules === 'function') ? window.getMatchedCSSRules( element ) : null
, elStyleWidth = element.style.width
, elCSSWidth
, elWidth = this.$element.width()
 
if (elRules) {
$.each( elRules, function (i, rule) {
if (rule.style.width) {
elCSSWidth = rule.style.width;
}
});
}
 
// Move original input out of the way
var hidingPosition = $('body').css('direction') === 'rtl' ? 'right' : 'left',
originalStyles = { position: this.$element.css('position') };
originalStyles[hidingPosition] = this.$element.css(hidingPosition);
 
this.$element
.data('original-styles', originalStyles)
.data('original-tabindex', this.$element.prop('tabindex'))
.css('position', 'absolute')
.css(hidingPosition, '-10000px')
.prop('tabindex', -1)
 
// Create a wrapper
this.$wrapper = $('<div class="tokenfield form-control" />')
if (this.$element.hasClass('input-lg')) this.$wrapper.addClass('input-lg')
if (this.$element.hasClass('input-sm')) this.$wrapper.addClass('input-sm')
if (this.textDirection === 'rtl') this.$wrapper.addClass('rtl')
 
// Create a new input
var id = this.$element.prop('id') || new Date().getTime() + '' + Math.floor((1 + Math.random()) * 100)
this.$input = $('<input type="'+this.options.inputType+'" class="token-input" autocomplete="off" />')
.appendTo( this.$wrapper )
.prop( 'placeholder', this.$element.prop('placeholder') )
.prop( 'id', id + '-tokenfield' )
.prop( 'tabindex', this.$element.data('original-tabindex') )
 
// Re-route original input label to new input
var $label = $( 'label[for="' + this.$element.prop('id') + '"]' )
if ( $label.length ) {
$label.prop( 'for', this.$input.prop('id') )
}
 
// Set up a copy helper to handle copy & paste
this.$copyHelper = $('<input type="text" />').css('position', 'absolute').css(hidingPosition, '-10000px').prop('tabindex', -1).prependTo( this.$wrapper )
 
// Set wrapper width
if (elStyleWidth) {
this.$wrapper.css('width', elStyleWidth);
}
else if (elCSSWidth) {
this.$wrapper.css('width', elCSSWidth);
}
// If input is inside inline-form with no width set, set fixed width
else if (this.$element.parents('.form-inline').length) {
this.$wrapper.width( elWidth )
}
 
// Set tokenfield disabled, if original or fieldset input is disabled
if (this.$element.prop('disabled') || this.$element.parents('fieldset[disabled]').length) {
this.disable();
}
 
// Set tokenfield readonly, if original input is readonly
if (this.$element.prop('readonly')) {
this.readonly();
}
 
// Set up mirror for input auto-sizing
this.$mirror = $('<span style="position:absolute; top:-999px; left:0; white-space:pre;"/>');
this.$input.css('min-width', this.options.minWidth + 'px')
$.each([
'fontFamily',
'fontSize',
'fontWeight',
'fontStyle',
'letterSpacing',
'textTransform',
'wordSpacing',
'textIndent'
], function (i, val) {
_self.$mirror[0].style[val] = _self.$input.css(val);
});
this.$mirror.appendTo( 'body' )
 
// Insert tokenfield to HTML
this.$wrapper.insertBefore( this.$element )
this.$element.prependTo( this.$wrapper )
 
// Calculate inner input width
this.update()
 
// Create initial tokens, if any
this.setTokens(this.options.tokens, false, ! this.$element.val() && this.options.tokens )
 
// Start listening to events
this.listen()
 
// Initialize autocomplete, if necessary
if ( ! $.isEmptyObject( this.options.autocomplete ) ) {
var side = this.textDirection === 'rtl' ? 'right' : 'left'
, autocompleteOptions = $.extend({
minLength: this.options.showAutocompleteOnFocus ? 0 : null,
position: { my: side + " top", at: side + " bottom", of: this.$wrapper }
}, this.options.autocomplete )
 
this.$input.autocomplete( autocompleteOptions )
}
 
// Initialize typeahead, if necessary
if ( ! $.isEmptyObject( this.options.typeahead ) ) {
 
var typeaheadOptions = this.options.typeahead
, defaults = {
minLength: this.options.showAutocompleteOnFocus ? 0 : null
}
, args = $.isArray( typeaheadOptions ) ? typeaheadOptions : [typeaheadOptions, typeaheadOptions]
 
args[0] = $.extend( {}, defaults, args[0] )
 
this.$input.typeahead.apply( this.$input, args )
this.typeahead = true
}
}
 
Tokenfield.prototype = {
 
constructor: Tokenfield
 
, createToken: function (attrs, triggerChange) {
var _self = this
 
if (typeof attrs === 'string') {
attrs = { value: attrs, label: attrs }
} else {
// Copy objects to prevent contamination of data sources.
attrs = $.extend( {}, attrs )
}
 
if (typeof triggerChange === 'undefined') {
triggerChange = true
}
 
// Normalize label and value
attrs.value = $.trim(attrs.value.toString());
attrs.label = attrs.label && attrs.label.length ? $.trim(attrs.label) : attrs.value
 
// Bail out if has no value or label, or label is too short
if (!attrs.value.length || !attrs.label.length || attrs.label.length <= this.options.minLength) return
 
// Bail out if maximum number of tokens is reached
if (this.options.limit && this.getTokens().length >= this.options.limit) return
 
// Allow changing token data before creating it
var createEvent = $.Event('tokenfield:createtoken', { attrs: attrs })
this.$element.trigger(createEvent)
 
// Bail out if there if attributes are empty or event was defaultPrevented
if (!createEvent.attrs || createEvent.isDefaultPrevented()) return
 
var $token = $('<div class="token" />')
.append('<span class="token-label" />')
.append('<a href="#" class="close" tabindex="-1">&times;</a>')
.data('attrs', attrs)
 
// Insert token into HTML
if (this.$input.hasClass('tt-input')) {
// If the input has typeahead enabled, insert token before it's parent
this.$input.parent().before( $token )
} else {
this.$input.before( $token )
}
 
// Temporarily set input width to minimum
this.$input.css('width', this.options.minWidth + 'px')
 
var $tokenLabel = $token.find('.token-label')
, $closeButton = $token.find('.close')
 
// Determine maximum possible token label width
if (!this.maxTokenWidth) {
this.maxTokenWidth =
this.$wrapper.width() - $closeButton.outerWidth() -
parseInt($closeButton.css('margin-left'), 10) -
parseInt($closeButton.css('margin-right'), 10) -
parseInt($token.css('border-left-width'), 10) -
parseInt($token.css('border-right-width'), 10) -
parseInt($token.css('padding-left'), 10) -
parseInt($token.css('padding-right'), 10)
parseInt($tokenLabel.css('border-left-width'), 10) -
parseInt($tokenLabel.css('border-right-width'), 10) -
parseInt($tokenLabel.css('padding-left'), 10) -
parseInt($tokenLabel.css('padding-right'), 10)
parseInt($tokenLabel.css('margin-left'), 10) -
parseInt($tokenLabel.css('margin-right'), 10)
}
 
$tokenLabel
.text(attrs.label)
.css('max-width', this.maxTokenWidth)
 
// Listen to events on token
$token
.on('mousedown', function (e) {
if (_self._disabled || _self._readonly) return false
_self.preventDeactivation = true
})
.on('click', function (e) {
if (_self._disabled || _self._readonly) return false
_self.preventDeactivation = false
 
if (e.ctrlKey || e.metaKey) {
e.preventDefault()
return _self.toggle( $token )
}
 
_self.activate( $token, e.shiftKey, e.shiftKey )
})
.on('dblclick', function (e) {
if (_self._disabled || _self._readonly || !_self.options.allowEditing ) return false
_self.edit( $token )
})
 
$closeButton
.on('click', $.proxy(this.remove, this))
 
// Trigger createdtoken event on the original field
// indicating that the token is now in the DOM
this.$element.trigger($.Event('tokenfield:createdtoken', {
attrs: attrs,
relatedTarget: $token.get(0)
}))
 
// Trigger change event on the original field
if (triggerChange) {
this.$element.val( this.getTokensList() ).trigger( $.Event('change', { initiator: 'tokenfield' }) )
}
 
// Update tokenfield dimensions
this.update()
 
// Return original element
return this.$element.get(0)
}
 
, setTokens: function (tokens, add, triggerChange) {
if (!tokens) return
 
if (!add) this.$wrapper.find('.token').remove()
 
if (typeof triggerChange === 'undefined') {
triggerChange = true
}
 
if (typeof tokens === 'string') {
if (this._delimiters.length) {
// Split based on delimiters
tokens = tokens.split( new RegExp( '[' + this._delimiters.join('') + ']' ) )
} else {
tokens = [tokens];
}
}
 
var _self = this
$.each(tokens, function (i, attrs) {
_self.createToken(attrs, triggerChange)
})
 
return this.$element.get(0)
}
 
, getTokenData: function($token) {
var data = $token.map(function() {
var $token = $(this);
return $token.data('attrs')
}).get();
 
if (data.length == 1) {
data = data[0];
}
 
return data;
}
 
, getTokens: function(active) {
var self = this
, tokens = []
, activeClass = active ? '.active' : '' // get active tokens only
this.$wrapper.find( '.token' + activeClass ).each( function() {
tokens.push( self.getTokenData( $(this) ) )
})
return tokens
}
 
, getTokensList: function(delimiter, beautify, active) {
delimiter = delimiter || this._firstDelimiter
beautify = ( typeof beautify !== 'undefined' && beautify !== null ) ? beautify : this.options.beautify
 
var separator = delimiter + ( beautify && delimiter !== ' ' ? ' ' : '')
return $.map( this.getTokens(active), function (token) {
return token.value
}).join(separator)
}
 
, getInput: function() {
return this.$input.val()
}
 
, listen: function () {
var _self = this
 
this.$element
.on('change', $.proxy(this.change, this))
 
this.$wrapper
.on('mousedown',$.proxy(this.focusInput, this))
 
this.$input
.on('focus', $.proxy(this.focus, this))
.on('blur', $.proxy(this.blur, this))
.on('paste', $.proxy(this.paste, this))
.on('keydown', $.proxy(this.keydown, this))
.on('keypress', $.proxy(this.keypress, this))
.on('keyup', $.proxy(this.keyup, this))
 
this.$copyHelper
.on('focus', $.proxy(this.focus, this))
.on('blur', $.proxy(this.blur, this))
.on('keydown', $.proxy(this.keydown, this))
.on('keyup', $.proxy(this.keyup, this))
 
// Secondary listeners for input width calculation
this.$input
.on('keypress', $.proxy(this.update, this))
.on('keyup', $.proxy(this.update, this))
 
this.$input
.on('autocompletecreate', function() {
// Set minimum autocomplete menu width
var $_menuElement = $(this).data('ui-autocomplete').menu.element
 
var minWidth = _self.$wrapper.outerWidth() -
parseInt( $_menuElement.css('border-left-width'), 10 ) -
parseInt( $_menuElement.css('border-right-width'), 10 )
 
$_menuElement.css( 'min-width', minWidth + 'px' )
})
.on('autocompleteselect', function (e, ui) {
if (_self.createToken( ui.item )) {
_self.$input.val('')
if (_self.$input.data( 'edit' )) {
_self.unedit(true)
}
}
return false
})
.on('typeahead:selected typeahead:autocompleted', function (e, datum, dataset) {
// Create token
if (_self.createToken( datum )) {
_self.$input.typeahead('val', '')
if (_self.$input.data( 'edit' )) {
_self.unedit(true)
}
}
})
 
// Listen to window resize
$(window).on('resize', $.proxy(this.update, this ))
 
}
 
, keydown: function (e) {
 
if (!this.focused) return
 
var _self = this
 
switch(e.keyCode) {
case 8: // backspace
if (!this.$input.is(document.activeElement)) break
this.lastInputValue = this.$input.val()
break
 
case 37: // left arrow
leftRight( this.textDirection === 'rtl' ? 'next': 'prev' )
break
 
case 38: // up arrow
upDown('prev')
break
 
case 39: // right arrow
leftRight( this.textDirection === 'rtl' ? 'prev': 'next' )
break
 
case 40: // down arrow
upDown('next')
break
 
case 65: // a (to handle ctrl + a)
if (this.$input.val().length > 0 || !(e.ctrlKey || e.metaKey)) break
this.activateAll()
e.preventDefault()
break
 
case 9: // tab
case 13: // enter
 
// We will handle creating tokens from autocomplete in autocomplete events
if (this.$input.data('ui-autocomplete') && this.$input.data('ui-autocomplete').menu.element.find("li:has(a.ui-state-focus), li.ui-state-focus").length) break
 
// We will handle creating tokens from typeahead in typeahead events
if (this.$input.hasClass('tt-input') && this.$wrapper.find('.tt-cursor').length ) break
if (this.$input.hasClass('tt-input') && this.$wrapper.find('.tt-hint').val() && this.$wrapper.find('.tt-hint').val().length) break
 
// Create token
if (this.$input.is(document.activeElement) && this.$input.val().length || this.$input.data('edit')) {
return this.createTokensFromInput(e, this.$input.data('edit'));
}
 
// Edit token
if (e.keyCode === 13) {
if (!this.$copyHelper.is(document.activeElement) || this.$wrapper.find('.token.active').length !== 1) break
if (!_self.options.allowEditing) break
this.edit( this.$wrapper.find('.token.active') )
}
}
 
function leftRight(direction) {
if (_self.$input.is(document.activeElement)) {
if (_self.$input.val().length > 0) return
 
direction += 'All'
var $token = _self.$input.hasClass('tt-input') ? _self.$input.parent()[direction]('.token:first') : _self.$input[direction]('.token:first')
if (!$token.length) return
 
_self.preventInputFocus = true
_self.preventDeactivation = true
 
_self.activate( $token )
e.preventDefault()
 
} else {
_self[direction]( e.shiftKey )
e.preventDefault()
}
}
 
function upDown(direction) {
if (!e.shiftKey) return
 
if (_self.$input.is(document.activeElement)) {
if (_self.$input.val().length > 0) return
 
var $token = _self.$input.hasClass('tt-input') ? _self.$input.parent()[direction + 'All']('.token:first') : _self.$input[direction + 'All']('.token:first')
if (!$token.length) return
 
_self.activate( $token )
}
 
var opposite = direction === 'prev' ? 'next' : 'prev'
, position = direction === 'prev' ? 'first' : 'last'
 
_self.$firstActiveToken[opposite + 'All']('.token').each(function() {
_self.deactivate( $(this) )
})
 
_self.activate( _self.$wrapper.find('.token:' + position), true, true )
e.preventDefault()
}
 
this.lastKeyDown = e.keyCode
}
 
, keypress: function(e) {
 
// Comma
if ($.inArray( e.which, this._triggerKeys) !== -1 && this.$input.is(document.activeElement)) {
if (this.$input.val()) {
this.createTokensFromInput(e)
}
return false;
}
}
 
, keyup: function (e) {
this.preventInputFocus = false
 
if (!this.focused) return
 
switch(e.keyCode) {
case 8: // backspace
if (this.$input.is(document.activeElement)) {
if (this.$input.val().length || this.lastInputValue.length && this.lastKeyDown === 8) break
 
this.preventDeactivation = true
var $prevToken = this.$input.hasClass('tt-input') ? this.$input.parent().prevAll('.token:first') : this.$input.prevAll('.token:first')
 
if (!$prevToken.length) break
 
this.activate( $prevToken )
} else {
this.remove(e)
}
break
 
case 46: // delete
this.remove(e, 'next')
break
}
this.lastKeyUp = e.keyCode
}
 
, focus: function (e) {
this.focused = true
this.$wrapper.addClass('focus')
 
if (this.$input.is(document.activeElement)) {
this.$wrapper.find('.active').removeClass('active')
this.$firstActiveToken = null
 
if (this.options.showAutocompleteOnFocus) {
this.search()
}
}
}
 
, blur: function (e) {
 
this.focused = false
this.$wrapper.removeClass('focus')
 
if (!this.preventDeactivation && !this.$element.is(document.activeElement)) {
this.$wrapper.find('.active').removeClass('active')
this.$firstActiveToken = null
}
 
if (!this.preventCreateTokens && (this.$input.data('edit') && !this.$input.is(document.activeElement) || this.options.createTokensOnBlur )) {
this.createTokensFromInput(e)
}
 
this.preventDeactivation = false
this.preventCreateTokens = false
}
 
, paste: function (e) {
var _self = this
 
// Add tokens to existing ones
if (_self.options.allowPasting) {
setTimeout(function () {
_self.createTokensFromInput(e)
}, 1)
}
}
 
, change: function (e) {
if ( e.initiator === 'tokenfield' ) return // Prevent loops
 
this.setTokens( this.$element.val() )
}
 
, createTokensFromInput: function (e, focus) {
if (this.$input.val().length < this.options.minLength)
return // No input, simply return
 
var tokensBefore = this.getTokensList()
this.setTokens( this.$input.val(), true )
 
if (tokensBefore == this.getTokensList() && this.$input.val().length)
return false // No tokens were added, do nothing (prevent form submit)
 
if (this.$input.hasClass('tt-input')) {
// Typeahead acts weird when simply setting input value to empty,
// so we set the query to empty instead
this.$input.typeahead('val', '')
} else {
this.$input.val('')
}
 
if (this.$input.data( 'edit' )) {
this.unedit(focus)
}
 
return false // Prevent form being submitted
}
 
, next: function (add) {
if (add) {
var $firstActiveToken = this.$wrapper.find('.active:first')
, deactivate = $firstActiveToken && this.$firstActiveToken ? $firstActiveToken.index() < this.$firstActiveToken.index() : false
 
if (deactivate) return this.deactivate( $firstActiveToken )
}
 
var $lastActiveToken = this.$wrapper.find('.active:last')
, $nextToken = $lastActiveToken.nextAll('.token:first')
 
if (!$nextToken.length) {
this.$input.focus()
return
}
 
this.activate($nextToken, add)
}
 
, prev: function (add) {
 
if (add) {
var $lastActiveToken = this.$wrapper.find('.active:last')
, deactivate = $lastActiveToken && this.$firstActiveToken ? $lastActiveToken.index() > this.$firstActiveToken.index() : false
 
if (deactivate) return this.deactivate( $lastActiveToken )
}
 
var $firstActiveToken = this.$wrapper.find('.active:first')
, $prevToken = $firstActiveToken.prevAll('.token:first')
 
if (!$prevToken.length) {
$prevToken = this.$wrapper.find('.token:first')
}
 
if (!$prevToken.length && !add) {
this.$input.focus()
return
}
 
this.activate( $prevToken, add )
}
 
, activate: function ($token, add, multi, remember) {
 
if (!$token) return
 
if (typeof remember === 'undefined') var remember = true
 
if (multi) var add = true
 
this.$copyHelper.focus()
 
if (!add) {
this.$wrapper.find('.active').removeClass('active')
if (remember) {
this.$firstActiveToken = $token
} else {
delete this.$firstActiveToken
}
}
 
if (multi && this.$firstActiveToken) {
// Determine first active token and the current tokens indicies
// Account for the 1 hidden textarea by subtracting 1 from both
var i = this.$firstActiveToken.index() - 2
, a = $token.index() - 2
, _self = this
 
this.$wrapper.find('.token').slice( Math.min(i, a) + 1, Math.max(i, a) ).each( function() {
_self.activate( $(this), true )
})
}
 
$token.addClass('active')
this.$copyHelper.val( this.getTokensList( null, null, true ) ).select()
}
 
, activateAll: function() {
var _self = this
 
this.$wrapper.find('.token').each( function (i) {
_self.activate($(this), i !== 0, false, false)
})
}
 
, deactivate: function($token) {
if (!$token) return
 
$token.removeClass('active')
this.$copyHelper.val( this.getTokensList( null, null, true ) ).select()
}
 
, toggle: function($token) {
if (!$token) return
 
$token.toggleClass('active')
this.$copyHelper.val( this.getTokensList( null, null, true ) ).select()
}
 
, edit: function ($token) {
if (!$token) return
 
var attrs = $token.data('attrs')
 
// Allow changing input value before editing
var options = { attrs: attrs, relatedTarget: $token.get(0) }
var editEvent = $.Event('tokenfield:edittoken', options)
this.$element.trigger( editEvent )
 
// Edit event can be cancelled if default is prevented
if (editEvent.isDefaultPrevented()) return
 
$token.find('.token-label').text(attrs.value)
var tokenWidth = $token.outerWidth()
 
var $_input = this.$input.hasClass('tt-input') ? this.$input.parent() : this.$input
 
$token.replaceWith( $_input )
 
this.preventCreateTokens = true
 
this.$input.val( attrs.value )
.select()
.data( 'edit', true )
.width( tokenWidth )
 
this.update();
 
// Indicate that token is now being edited, and is replaced with an input field in the DOM
this.$element.trigger($.Event('tokenfield:editedtoken', options ))
}
 
, unedit: function (focus) {
var $_input = this.$input.hasClass('tt-input') ? this.$input.parent() : this.$input
$_input.appendTo( this.$wrapper )
 
this.$input.data('edit', false)
this.$mirror.text('')
 
this.update()
 
// Because moving the input element around in DOM
// will cause it to lose focus, we provide an option
// to re-focus the input after appending it to the wrapper
if (focus) {
var _self = this
setTimeout(function () {
_self.$input.focus()
}, 1)
}
}
 
, remove: function (e, direction) {
if (this.$input.is(document.activeElement) || this._disabled || this._readonly) return
 
var $token = (e.type === 'click') ? $(e.target).closest('.token') : this.$wrapper.find('.token.active')
 
if (e.type !== 'click') {
if (!direction) var direction = 'prev'
this[direction]()
 
// Was it the first token?
if (direction === 'prev') var firstToken = $token.first().prevAll('.token:first').length === 0
}
 
// Prepare events and their options
var options = { attrs: this.getTokenData( $token ), relatedTarget: $token.get(0) }
, removeEvent = $.Event('tokenfield:removetoken', options)
 
this.$element.trigger(removeEvent);
 
// Remove event can be intercepted and cancelled
if (removeEvent.isDefaultPrevented()) return
 
var removedEvent = $.Event('tokenfield:removedtoken', options)
, changeEvent = $.Event('change', { initiator: 'tokenfield' })
 
// Remove token from DOM
$token.remove()
 
// Trigger events
this.$element.val( this.getTokensList() ).trigger( removedEvent ).trigger( changeEvent )
 
// Focus, when necessary:
// When there are no more tokens, or if this was the first token
// and it was removed with backspace or it was clicked on
if (!this.$wrapper.find('.token').length || e.type === 'click' || firstToken) this.$input.focus()
 
// Adjust input width
this.$input.css('width', this.options.minWidth + 'px')
this.update()
 
// Cancel original event handlers
e.preventDefault()
e.stopPropagation()
}
 
/**
* Update tokenfield dimensions
*/
, update: function (e) {
var value = this.$input.val()
, inputPaddingLeft = parseInt(this.$input.css('padding-left'), 10)
, inputPaddingRight = parseInt(this.$input.css('padding-right'), 10)
, inputPadding = inputPaddingLeft + inputPaddingRight
 
if (this.$input.data('edit')) {
 
if (!value) {
value = this.$input.prop("placeholder")
}
if (value === this.$mirror.text()) return
 
this.$mirror.text(value)
 
var mirrorWidth = this.$mirror.width() + 10;
if ( mirrorWidth > this.$wrapper.width() ) {
return this.$input.width( this.$wrapper.width() )
}
 
this.$input.width( mirrorWidth )
}
else {
var w = (this.textDirection === 'rtl')
? this.$input.offset().left + this.$input.outerWidth() - this.$wrapper.offset().left - parseInt(this.$wrapper.css('padding-left'), 10) - inputPadding - 1
: this.$wrapper.offset().left + this.$wrapper.width() + parseInt(this.$wrapper.css('padding-left'), 10) - this.$input.offset().left - inputPadding;
//
// some usecases pre-render widget before attaching to DOM,
// dimensions returned by jquery will be NaN -> we default to 100%
// so placeholder won't be cut off.
isNaN(w) ? this.$input.width('100%') : this.$input.width(w);
}
}
 
, focusInput: function (e) {
if ( $(e.target).closest('.token').length || $(e.target).closest('.token-input').length || $(e.target).closest('.tt-dropdown-menu').length ) return
// Focus only after the current call stack has cleared,
// otherwise has no effect.
// Reason: mousedown is too early - input will lose focus
// after mousedown. However, since the input may be moved
// in DOM, there may be no click or mouseup event triggered.
var _self = this
setTimeout(function() {
_self.$input.focus()
}, 0)
}
 
, search: function () {
if ( this.$input.data('ui-autocomplete') ) {
this.$input.autocomplete('search')
}
}
 
, disable: function () {
this.setProperty('disabled', true);
}
 
, enable: function () {
this.setProperty('disabled', false);
}
 
, readonly: function () {
this.setProperty('readonly', true);
}
 
, writeable: function () {
this.setProperty('readonly', false);
}
 
, setProperty: function(property, value) {
this['_' + property] = value;
this.$input.prop(property, value);
this.$element.prop(property, value);
this.$wrapper[ value ? 'addClass' : 'removeClass' ](property);
}
 
, destroy: function() {
// Set field value
this.$element.val( this.getTokensList() );
// Restore styles and properties
this.$element.css( this.$element.data('original-styles') );
this.$element.prop( 'tabindex', this.$element.data('original-tabindex') );
 
// Re-route tokenfield label to original input
var $label = $( 'label[for="' + this.$input.prop('id') + '"]' )
if ( $label.length ) {
$label.prop( 'for', this.$element.prop('id') )
}
 
// Move original element outside of tokenfield wrapper
this.$element.insertBefore( this.$wrapper );
 
// Remove tokenfield-related data
this.$element.removeData('original-styles')
.removeData('original-tabindex')
.removeData('bs.tokenfield');
 
// Remove tokenfield from DOM
this.$wrapper.remove();
this.$mirror.remove();
 
var $_element = this.$element;
 
return $_element;
}
 
}
 
 
/* TOKENFIELD PLUGIN DEFINITION
* ======================== */
 
var old = $.fn.tokenfield
 
$.fn.tokenfield = function (option, param) {
var value
, args = []
 
Array.prototype.push.apply( args, arguments );
 
var elements = this.each(function () {
var $this = $(this)
, data = $this.data('bs.tokenfield')
, options = typeof option == 'object' && option
 
if (typeof option === 'string' && data && data[option]) {
args.shift()
value = data[option].apply(data, args)
} else {
if (!data && typeof option !== 'string' && !param) {
$this.data('bs.tokenfield', (data = new Tokenfield(this, options)))
$this.trigger('tokenfield:initialize')
}
}
})
 
return typeof value !== 'undefined' ? value : elements;
}
 
$.fn.tokenfield.defaults = {
minWidth: 60,
minLength: 0,
allowEditing: true,
allowPasting: true,
limit: 0,
autocomplete: {},
typeahead: {},
showAutocompleteOnFocus: false,
createTokensOnBlur: false,
delimiter: ',',
beautify: true,
inputType: 'text'
}
 
$.fn.tokenfield.Constructor = Tokenfield
 
 
/* TOKENFIELD NO CONFLICT
* ================== */
 
$.fn.tokenfield.noConflict = function () {
$.fn.tokenfield = old
return this
}
 
return Tokenfield;
 
}));