define([
'jquery'
], function ($) {
function Tags (decorated, $element, options) {
var tags = options.get('tags');
var createTag = options.get('createTag');
if (createTag !== undefined) {
this.createTag = createTag;
}
var insertTag = options.get('insertTag');
if (insertTag !== undefined) {
this.insertTag = insertTag;
}
decorated.call(this, $element, options);
if ($.isArray(tags)) {
for (var t = 0; t < tags.length; t++) {
var tag = tags[t];
var item = this._normalizeItem(tag);
var $option = this.option(item);
this.$element.append($option);
}
}
}
Tags.prototype.query = function (decorated, params, callback) {
var self = this;
this._removeOldTags();
if (params.term == null || params.page != null) {
decorated.call(this, params, callback);
return;
}
function wrapper (obj, child) {
var data = obj.results;
for (var i = 0; i < data.length; i++) {
var option = data[i];
var checkChildren = (
option.children != null &&
!wrapper({
results: option.children
}, true)
);
var checkText = option.text === params.term;
if (checkText || checkChildren) {
if (child) {
return false;
}
obj.data = data;
callback(obj);
return;
}
}
if (child) {
return true;
}
var tag = self.createTag(params);
if (tag != null) {
var $option = self.option(tag);
$option.attr('data-select2-tag', true);
self.addOptions([$option]);
self.insertTag(data, tag);
}
obj.results = data;
callback(obj);
}
decorated.call(this, params, wrapper);
};
Tags.prototype.createTag = function (decorated, params) {
var term = $.trim(params.term);
if (term === '') {
return null;
}
return {
id: term,
text: term
};
};
Tags.prototype.insertTag = function (_, data, tag) {
data.unshift(tag);
};
Tags.prototype._removeOldTags = function (_) {
var tag = this._lastTag;
var $options = this.$element.find('option[data-select2-tag]');
$options.each(function () {
if (this.selected) {
return;
}
$(this).remove();
});
};
return Tags;
});
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