110 lines
2.8 KiB
Plaintext
110 lines
2.8 KiB
Plaintext
define([
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'./array',
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'../utils',
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'jquery'
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], function (ArrayAdapter, Utils, $) {
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function AjaxAdapter ($element, options) {
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this.ajaxOptions = this._applyDefaults(options.get('ajax'));
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if (this.ajaxOptions.processResults != null) {
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this.processResults = this.ajaxOptions.processResults;
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}
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AjaxAdapter.__super__.constructor.call(this, $element, options);
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}
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Utils.Extend(AjaxAdapter, ArrayAdapter);
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AjaxAdapter.prototype._applyDefaults = function (options) {
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var defaults = {
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data: function (params) {
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return $.extend({}, params, {
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q: params.term
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});
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},
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transport: function (params, success, failure) {
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var $request = $.ajax(params);
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$request.then(success);
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$request.fail(failure);
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return $request;
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}
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};
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return $.extend({}, defaults, options, true);
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};
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AjaxAdapter.prototype.processResults = function (results) {
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return results;
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};
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AjaxAdapter.prototype.query = function (params, callback) {
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var matches = [];
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var self = this;
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if (this._request != null) {
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// JSONP requests cannot always be aborted
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if ($.isFunction(this._request.abort)) {
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this._request.abort();
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}
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this._request = null;
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}
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var options = $.extend({
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type: 'GET'
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}, this.ajaxOptions);
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if (typeof options.url === 'function') {
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options.url = options.url.call(this.$element, params);
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}
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if (typeof options.data === 'function') {
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options.data = options.data.call(this.$element, params);
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}
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function request () {
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var $request = options.transport(options, function (data) {
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var results = self.processResults(data, params);
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if (self.options.get('debug') && window.console && console.error) {
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// Check to make sure that the response included a `results` key.
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if (!results || !results.results || !$.isArray(results.results)) {
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console.error(
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'Select2: The AJAX results did not return an array in the ' +
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'`results` key of the response.'
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);
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}
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}
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callback(results);
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}, function () {
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// Attempt to detect if a request was aborted
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// Only works if the transport exposes a status property
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if ($request.status && $request.status === '0') {
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return;
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}
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self.trigger('results:message', {
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message: 'errorLoading'
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});
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});
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self._request = $request;
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}
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if (this.ajaxOptions.delay && params.term != null) {
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if (this._queryTimeout) {
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window.clearTimeout(this._queryTimeout);
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}
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this._queryTimeout = window.setTimeout(request, this.ajaxOptions.delay);
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} else {
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request();
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}
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};
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return AjaxAdapter;
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});
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