').addClass(settings.dropdownClass).addClass(inputMode).hide().appendTo($dropdown_parent);
$dropdown_content = $('
').addClass(settings.dropdownContentClass).appendTo($dropdown);
if (inputId = $input.attr('id')) {
$control_input.attr('id', inputId + '-selectized');
$("label[for='" + inputId + "']").attr('for', inputId + '-selectized');
}
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 '
' + data.html + '
';
},
'optgroup_header': function (data, escape) {
return '';
},
'option': function (data, escape) {
return '
' + escape(data[field_label]) + '
';
},
'item': function (data, escape) {
return '
' + escape(data[field_label]) + '
';
},
'option_create': function (data, escape) {
return '
Add ' + escape(data.input) + ' …
';
}
};
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.$input.trigger('change');
},
/**
* Triggered on
paste.
*
* @param {object} e
* @returns {boolean}
*/
onPaste: function (e) {
var self = this;
if (self.isFull() || self.isInputHidden || self.isLocked) {
e.preventDefault();
return;
}
// If a regex or string is included, this will split the pasted
// input and create Items for each separate value
if (self.settings.splitOn) {
// Wait for pasted text to be recognized in value
setTimeout(function () {
var pastedText = self.$control_input.val();
if (!pastedText.match(self.settings.splitOn)) { return }
var splitInput = $.trim(pastedText).split(self.settings.splitOn);
for (var i = 0, n = splitInput.length; i < n; i++) {
self.createItem(splitInput[i]);
}
}, 0);
}
},
/**
* Triggered on
keypress.
*
* @param {object} e
* @returns {boolean}
*/
onKeyPress: function (e) {
if (this.isLocked) return e && e.preventDefault();
var character = String.fromCharCode(e.keyCode || e.which);
if (this.settings.create && this.settings.mode === 'multi' && character === this.settings.delimiter) {
this.createItem();
e.preventDefault();
return false;
}
},
/**
* Triggered on
keydown.
*
* @param {object} e
* @returns {boolean}
*/
onKeyDown: function (e) {
var isInput = e.target === this.$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
keyup.
*
* @param {object} e
* @returns {boolean}
*/
onKeyUp: function (e) {
var self = this;
if (self.isLocked) return e && e.preventDefault();
var value = self.$control_input.val() || '';
if (self.lastValue !== value) {
self.lastValue = value;
self.onSearchChange(value);
self.refreshOptions();
self.trigger('type', value);
}
},
/**
* Invokes the user-provide option provider / loader.
*
* Note: this function is debounced in the Selectize
* constructor (by `settings.loadThrottle` milliseconds)
*
* @param {string} value
*/
onSearchChange: function (value) {
var self = this;
var fn = self.settings.load;
if (!fn) return;
if (self.loadedSearches.hasOwnProperty(value)) return;
self.loadedSearches[value] = true;
self.load(function (callback) {
fn.apply(self, [value, callback]);
});
},
/**
* Triggered on
focus.
*
* @param {object} e (optional)
* @returns {boolean}
*/
onFocus: function (e) {
var self = this;
var wasFocused = self.isFocused;
if (self.isDisabled) {
self.blur();
e && e.preventDefault();
return false;
}
if (self.ignoreFocus) return;
self.isFocused = true;
if (self.settings.preload === 'focus') self.onSearchChange('');
if (!wasFocused) self.trigger('focus');
if (!self.$activeItems.length) {
self.showInput();
self.setActiveItem(null);
self.refreshOptions(!!self.settings.openOnFocus);
}
self.refreshState();
},
/**
* Triggered on
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 && 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) {
$input.val(value).triggerHandler('update');
this.lastValue = value;
}
},
/**
* Returns the value of the control. If multiple items
* can be selected (e.g.
), this returns
* an array. If only one item can be selected, this
* returns a string.
*
* @returns {mixed}
*/
getValue: function () {
if (this.tagType === TAG_SELECT && this.$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) {
$dropdown_content.removeHighlight();
for (i = 0, n = results.tokens.length; i < n; i++) {
highlight($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 () {
this.refreshValidityState();
this.refreshClasses();
},
/**
* Update the `required` attribute of both input and control input.
*
* The `required` property needs to be activated on the control input
* for the error to be displayed at the right place. `required` also
* needs to be temporarily deactivated on the input since the input is
* hidden and can't show errors.
*/
refreshValidityState: function () {
if (!this.isRequired) return false;
var invalid = !this.items.length;
this.isInvalid = invalid;
this.$control_input.prop('required', invalid);
this.$input.prop('required', !invalid);
},
/**
* 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 or ' + escape_html(label) + ' ');
}
if (!options.length && !this.$input.attr('multiple')) {
options.push(' 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 = $.extend({
title: 'Untitled',
headerClass: 'selectize-dropdown-header',
titleRowClass: 'selectize-dropdown-header-title',
labelClass: 'selectize-dropdown-header-label',
closeClass: 'selectize-dropdown-header-close',
html: function (data) {
return (
''
);
}
}, options);
self.setup = (function () {
var original = self.setup;
return function () {
original.apply(self, arguments);
self.$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 = 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 = '' + options.label + ' ';
/**
* 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 = '' + options.label + ' ';
/**
* 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;
}));;