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   1  /*
   2  YUI 3.17.2 (build 9c3c78e)
   3  Copyright 2014 Yahoo! Inc. All rights reserved.
   4  Licensed under the BSD License.
   5  http://yuilibrary.com/license/
   6  */
   7  
   8  YUI.add('node-load', function (Y, NAME) {
   9  
  10  /**
  11   * Extended Node interface with a basic IO API.
  12   * @module node
  13   * @submodule node-load
  14   */
  15  
  16  /**
  17   * The default IO complete handler.
  18   * @method _ioComplete
  19   * @protected
  20   * @for Node
  21   * @param {String} code The response code.
  22   * @param {Object} response The response object.
  23   * @param {Array} args An array containing the callback and selector
  24   */
  25  
  26  Y.Node.prototype._ioComplete = function(code, response, args) {
  27      var selector = args[0],
  28          callback = args[1],
  29          tmp,
  30          content;
  31  
  32      if (response && response.responseText) {
  33          content = response.responseText;
  34          if (selector) {
  35              tmp = Y.DOM.create(content);
  36              content = Y.Selector.query(selector, tmp);
  37          }
  38          this.setContent(content);
  39      }
  40      if (callback) {
  41          callback.call(this, code, response);
  42      }
  43  };
  44  
  45  /**
  46   * Loads content from the given url and replaces the Node's
  47   * existing content with the remote content.
  48   * @method load
  49   * @param {String} url The URL to load via XMLHttpRequest.
  50   * @param {String} selector An optional selector representing a subset of an HTML document to load.
  51   * @param {Function} callback An optional function to run after the content has been loaded.
  52   * @chainable
  53   */
  54  Y.Node.prototype.load = function(url, selector, callback) {
  55      if (typeof selector == 'function') {
  56          callback = selector;
  57          selector = null;
  58      }
  59      var config = {
  60          context: this,
  61          on: {
  62              complete: this._ioComplete
  63          },
  64          arguments: [selector, callback]
  65      };
  66  
  67      Y.io(url, config);
  68      return this;
  69  };
  70  
  71  
  72  }, '3.17.2', {"requires": ["node-base", "io-base"]});