[Sommaire] [Imprimer]

   1  /*
   2  Copyright (c) 2006 Yahoo! Inc. All rights reserved.
   3  version 0.9.0
   4  */
   5  
   6  /**
   7   * @class The Yahoo global namespace
   8   */
   9  var YAHOO = function() {
  10  
  11      return {
  12  
  13          /**
  14           * Yahoo presentation platform utils namespace
  15           */
  16          util: {},
  17  
  18          /**
  19           * Yahoo presentation platform widgets namespace
  20           */
  21          widget: {},
  22  
  23          /**
  24           * Yahoo presentation platform examples namespace
  25           */
  26          example: {},
  27  
  28          /**
  29           * Returns the namespace specified and creates it if it doesn't exist
  30           *
  31           * YAHOO.namespace("property.package");
  32           * YAHOO.namespace("YAHOO.property.package");
  33           *
  34           * Either of the above would create YAHOO.property, then
  35           * YAHOO.property.package
  36           *
  37           * @param  {String} sNameSpace String representation of the desired
  38           *                             namespace
  39           * @return {Object}            A reference to the namespace object
  40           */
  41          namespace: function( sNameSpace ) {
  42  
  43              if (!sNameSpace || !sNameSpace.length) {
  44                  return null;
  45              }
  46  
  47              var levels = sNameSpace.split(".");
  48  
  49              var currentNS = YAHOO;
  50  
  51              // YAHOO is implied, so it is ignored if it is included
  52              for (var i=(levels[0] == "YAHOO") ? 1 : 0; i<levels.length; ++i) {
  53                  currentNS[levels[i]] = currentNS[levels[i]] || {};
  54                  currentNS = currentNS[levels[i]];
  55              }
  56  
  57              return currentNS;
  58  
  59          }
  60      };
  61  
  62  } ();
  63