/javascripts/lib/docs/source/jsonp.html

https://bitbucket.org/ksokmesa/sina-asian · HTML · 88 lines · 80 code · 8 blank · 0 comment · 0 complexity · 4ab11c4d1bc83f41dd8394809d56da8f MD5 · raw file 

    

  1. <html>
    2. 

  2. <head>
    3. 

  3.   <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />    
    4. 

  4.   <title>The source code</title>
    5. 

  5.     <link href="../resources/prettify/prettify.css" type="text/css" rel="stylesheet" />
    6. 

  6.     <script type="text/javascript" src="../resources/prettify/prettify.js"></script>
    7. 

  7. </head>
    8. 

  8. <body  onload="prettyPrint();">
    9. 

  9.     <pre class="prettyprint lang-js">/*!
    10. 

  10.  * Ext JS Library 3.2.1
    11. 

  11.  * Copyright(c) 2006-2010 Ext JS, Inc.
    12. 

  12.  * licensing@extjs.com
    13. 

  13.  * http://www.extjs.com/license
    14. 

  14.  */
    15. 

  15. Ext.ns('Ext.ux');
    16. 

  16. 

  17. Ext.ux.JSONP = (function(){
    18. 

  18.     var _queue = [],
    19. 

  19.         _current = null,
    20. 

  20.         _nextRequest = function() {
    21. 

  21.             _current = null;
    22. 

  22.             if(_queue.length) {
    23. 

  23.                 _current = _queue.shift();
    24. 

  24.     			_current.script.src = _current.url + '?' + _current.params;
    25. 

  25.     			document.getElementsByTagName('head')[0].appendChild(_current.script);
    26. 

  26.             }
    27. 

  27.         };
    28. 

  28. 

  29.     return {
    30. 

  30.         request: function(url, o) {
    31. 

  31.             if(!url) {
    32. 

  32.                 return;
    33. 

  33.             }
    34. 

  34.             var me = this;
    35. 

  35. 

  36.             o.params = o.params || {};
    37. 

  37.             if(o.callbackKey) {
    38. 

  38.                 o.params[o.callbackKey] = 'Ext.ux.JSONP.callback';
    39. 

  39.             }
    40. 

  40.             var params = Ext.urlEncode(o.params);
    41. 

  41. 

  42.             var script = document.createElement('script');
    43. 

  43. 			script.type = 'text/javascript';
    44. 

  44. 

  45.             if(o.isRawJSON) {
    46. 

  46.                 if(Ext.isIE) {
    47. 

  47.                     Ext.fly(script).on('readystatechange', function() {
    48. 

  48.                         if(script.readyState == 'complete') {
    49. 

  49.                             var data = script.innerHTML;
    50. 

  50.                             if(data.length) {
    51. 

  51.                                 me.callback(Ext.decode(data));
    52. 

  52.                             }
    53. 

  53.                         }
    54. 

  54.                     });
    55. 

  55.                 }
    56. 

  56.                 else {
    57. 

  57.                      Ext.fly(script).on('load', function() {
    58. 

  58.                         var data = script.innerHTML;
    59. 

  59.                         if(data.length) {
    60. 

  60.                             me.callback(Ext.decode(data));
    61. 

  61.                         }
    62. 

  62.                     });
    63. 

  63.                 }
    64. 

  64.             }
    65. 

  65. 

  66.             _queue.push({
    67. 

  67.                 url: url,
    68. 

  68.                 script: script,
    69. 

  69.                 callback: o.callback || function(){},
    70. 

  70.                 scope: o.scope || window,
    71. 

  71.                 params: params || null
    72. 

  72.             });
    73. 

  73. 

  74.             if(!_current) {
    75. 

  75.                 _nextRequest();
    76. 

  76.             }
    77. 

  77.         },
    78. 

  78. 

  79.         callback: function(json) {
    80. 

  80.             _current.callback.apply(_current.scope, [json]);
    81. 

  81.             Ext.fly(_current.script).removeAllListeners();
    82. 

  82.             document.getElementsByTagName('head')[0].removeChild(_current.script);
    83. 

  83.             _nextRequest();
    84. 

  84.         }
    85. 

  85.     }
    86. 

  86. })();</pre>    
    87. 

  87. </body>
    88. 

  88. </html>
    89.