air/samples/tasks/js/Exporter.js

   1 /*\r
   2  * Ext JS Library 0.30\r
   3  * Copyright(c) 2006-2009, Ext JS, LLC.\r
   4  * licensing@extjs.com\r
   5  * \r
   6  * http://extjs.com/license\r
   7  */\r
   8 \r
   9 tx.Exporter = function(){\r
  10         var lists = tx.data.conn.query('select * from list');\r
  11         \r
  12         var doc = new runtime.flash.xml.XMLDocument();\r
  13         \r
  14         var root = doc.createElement('simple-tasks');\r
  15         doc.appendChild(root);\r
  16         \r
  17         root.attributes['version'] = '2.0';\r
  18         \r
  19         for(var i = 0, len = lists.length; i < len; i++){\r
  20                 var list = lists[i];\r
  21                 \r
  22                 var listNode = doc.createElement('list');\r
  23                 root.appendChild(listNode);\r
  24                 \r
  25                 for(var k in list){\r
  26                         if(list.hasOwnProperty(k)){\r
  27                                 listNode.attributes[k] = String(list[k]);\r
  28                         }\r
  29                 }\r
  30                 \r
  31                 var tasks = tx.data.conn.queryBy('select * from task where listId = ?', [list.listId]);\r
  32                 for(var j = 0, jlen = tasks.length; j < jlen; j++){\r
  33                         var task = tasks[j];\r
  34                         \r
  35                         var taskNode = doc.createElement('task');\r
  36                         listNode.appendChild(taskNode);\r
  37                         \r
  38                         for(var t in task){\r
  39                                 if(task.hasOwnProperty(t)){\r
  40                                         taskNode.attributes[t] = String(task[t]);\r
  41                                 }\r
  42                         }\r
  43                 }\r
  44         }\r
  45         \r
  46         var file = new air.File(air.File.documentsDirectory.nativePath + air.File.separator + 'tasks.xml');\r
  47         \r
  48         file.addEventListener('select', function(e){\r
  49                 var target = e.target;\r
  50                 var stream = new air.FileStream();\r
  51         stream.open(target, air.FileMode.WRITE);\r
  52                 stream.writeUTFBytes('<?xml version="1.0" encoding="UTF-8"?>');\r
  53         stream.writeUTFBytes(doc.toString());\r
  54         stream.close();\r
  55         });\r
  56         \r
  57         // I wonder why no filter for Save As?\r
  58         // var filter = new air.FileFilter("Tasks XML File", "*.xml");\r
  59         file.browseForSave('Save As');\r
  60 };\r