117 lines
2.7 KiB
Plaintext
117 lines
2.7 KiB
Plaintext
define([
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'jquery'
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], function ($) {
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function Tokenizer (decorated, $element, options) {
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var tokenizer = options.get('tokenizer');
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if (tokenizer !== undefined) {
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this.tokenizer = tokenizer;
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}
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decorated.call(this, $element, options);
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}
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Tokenizer.prototype.bind = function (decorated, container, $container) {
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decorated.call(this, container, $container);
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this.$search = container.dropdown.$search || container.selection.$search ||
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$container.find('.select2-search__field');
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};
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Tokenizer.prototype.query = function (decorated, params, callback) {
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var self = this;
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function createAndSelect (data) {
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// Normalize the data object so we can use it for checks
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var item = self._normalizeItem(data);
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// Check if the data object already exists as a tag
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// Select it if it doesn't
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var $existingOptions = self.$element.find('option').filter(function () {
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return $(this).val() === item.id;
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});
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// If an existing option wasn't found for it, create the option
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if (!$existingOptions.length) {
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var $option = self.option(item);
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$option.attr('data-select2-tag', true);
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self._removeOldTags();
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self.addOptions([$option]);
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}
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// Select the item, now that we know there is an option for it
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select(item);
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}
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function select (data) {
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self.trigger('select', {
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data: data
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});
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}
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params.term = params.term || '';
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var tokenData = this.tokenizer(params, this.options, createAndSelect);
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if (tokenData.term !== params.term) {
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// Replace the search term if we have the search box
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if (this.$search.length) {
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this.$search.val(tokenData.term);
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this.$search.focus();
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}
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params.term = tokenData.term;
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}
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decorated.call(this, params, callback);
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};
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Tokenizer.prototype.tokenizer = function (_, params, options, callback) {
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var separators = options.get('tokenSeparators') || [];
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var term = params.term;
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var i = 0;
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var createTag = this.createTag || function (params) {
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return {
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id: params.term,
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text: params.term
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};
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};
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while (i < term.length) {
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var termChar = term[i];
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if ($.inArray(termChar, separators) === -1) {
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i++;
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continue;
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}
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var part = term.substr(0, i);
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var partParams = $.extend({}, params, {
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term: part
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});
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var data = createTag(partParams);
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if (data == null) {
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i++;
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continue;
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}
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callback(data);
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// Reset the term to not include the tokenized portion
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term = term.substr(i + 1) || '';
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i = 0;
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}
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return {
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term: term
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};
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};
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return Tokenizer;
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});
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