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/*
* 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
*/
(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 self = this;
var val = this.id(data);
var selectionEls = this.container.find('.select2-search-choice').filter(function() {
return (self.id($(this).data('select2-data')) === val);
});
if (this.unselect(selectionEls)) {
// also unselect in dropdown
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.clearSearch();
}
return false;
} else {
return Select2TriggerSelect.apply(this, arguments);
}
};
})(Select2);
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