59 lines
1.5 KiB
JavaScript
59 lines
1.5 KiB
JavaScript
/*
|
|
* Copyright (c) 2015
|
|
*
|
|
* This file is licensed under the Affero General Public License version 3
|
|
* or later.
|
|
*
|
|
* See the COPYING-README file.
|
|
*
|
|
*/
|
|
|
|
/* global Select2 */
|
|
|
|
/**
|
|
* Select2 extension for toggling values in a multi-select dropdown
|
|
*
|
|
* Inspired by http://stackoverflow.com/a/27466159 and adjusted
|
|
*/
|
|
(function(Select2) {
|
|
|
|
var Select2FindHighlightableChoices = Select2.class.multi.prototype.findHighlightableChoices;
|
|
Select2.class.multi.prototype.findHighlightableChoices = function () {
|
|
if (this.opts.toggleSelect) {
|
|
return this.results.find('.select2-result-selectable:not(.select2-disabled)');
|
|
}
|
|
return Select2FindHighlightableChoices.apply(this, arguments);
|
|
};
|
|
|
|
var Select2TriggerSelect = Select2.class.multi.prototype.triggerSelect;
|
|
Select2.class.multi.prototype.triggerSelect = function (data) {
|
|
if (this.opts.toggleSelect && this.val().indexOf(this.id(data)) !== -1) {
|
|
|
|
var val = this.id(data);
|
|
var evt = $.Event('select2-removing');
|
|
evt.val = val;
|
|
evt.choice = data;
|
|
this.opts.element.trigger(evt);
|
|
|
|
if (evt.isDefaultPrevented()) {
|
|
return false;
|
|
}
|
|
|
|
var self = this;
|
|
this.results.find('.select2-result.select2-selected').each(function () {
|
|
var $this = $(this);
|
|
if (self.id($this.data('select2-data')) === val) {
|
|
$this.removeClass('select2-selected');
|
|
}
|
|
});
|
|
|
|
this.opts.element.trigger({ type: "select2-removed", val: this.id(data), choice: data });
|
|
this.triggerChange({ removed: data });
|
|
|
|
} else {
|
|
return Select2TriggerSelect.apply(this, arguments);
|
|
}
|
|
};
|
|
|
|
})(Select2);
|
|
|