air/samples/tasks/js/ListStore.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 \r
  10 tx.data.ListStore = Ext.extend(Ext.data.Store, {\r
  11         constructor: function(){\r
  12                 tx.data.ListStore.superclass.constructor.call(this, {\r
  13                 sortInfo:{field: 'listName', direction: "ASC"},\r
  14                 reader: new Ext.data.JsonReader({\r
  15                     id: 'listId',\r
  16                                 fields: tx.data.List\r
  17                 })\r
  18             });\r
  19                 this.boundTrees = {};\r
  20             this.conn = tx.data.conn;\r
  21             this.proxy = new Ext.sql.Proxy(tx.data.conn, 'list', 'listId', this);\r
  22         },\r
  23         \r
  24     getName : function(id){\r
  25                 var l = this.data.map[id];\r
  26                 return l ? l.data.listName : '';\r
  27         },\r
  28         \r
  29         addList : function(name, id, isFolder, parentId){\r
  30                 var l = this.findList(name);\r
  31                 if(!l){\r
  32                         var id = id || Ext.uniqueId();\r
  33                         l = new tx.data.List({listId: id, listName: name, isFolder: isFolder === true, parentId: parentId || 'root'}, id);\r
  34                         this.add(l);\r
  35                 }\r
  36                 return l;\r
  37         },\r
  38         \r
  39         newList : function(isFolder, parentId){\r
  40                 var i = 1;\r
  41                 var text = isFolder ? 'New Folder ' : 'New List '; \r
  42                 while(this.findList(text + i)){\r
  43                         i++;\r
  44                 }\r
  45                 return this.addList(text + i, undefined, isFolder, parentId);\r
  46         },\r
  47         \r
  48         findList : function(name){\r
  49                 var d = this.data;\r
  50                 for(var i = 0, len = d.length; i < len; i++){\r
  51                         if(d.items[i].data.listName === name){\r
  52                                 return d.items[i];\r
  53                         }\r
  54                 }\r
  55                 return null;\r
  56         },\r
  57         \r
  58         loadDemoLists: function(){\r
  59                 this.addList('Personal', 'personal', true, 'root');\r
  60                 this.addList('Family', 'family', false, 'personal');\r
  61                 this.addList('Bills', 'bills', false, 'personal');\r
  62                 this.addList('Fun', 'fun', false, 'personal');\r
  63                 this.addList('Other Stuff', 'personal-misc', false, 'personal');\r
  64                 this.addList('Work', 'work', true, 'root');\r
  65                 this.addList('Ext 2.x', 'ext2', false, 'work');\r
  66                 this.addList('Ext 1.x', 'ext1', false, 'work');\r
  67                 this.addList('Meetings', 'meetings', false, 'work');\r
  68                 this.addList('Miscellaneous', 'work-misc', false, 'work');\r
  69         },\r
  70         \r
  71         bindTree : function(tree){\r
  72                 this.boundTrees[tree.id] = {\r
  73                         add: function(ls, records){\r
  74                                 var pnode = tree.getNodeById(records[0].data.parentId);\r
  75                                 if(pnode){\r
  76                                         pnode.reload();\r
  77                                 }\r
  78                         },\r
  79                         \r
  80                         remove: function(ls, record){\r
  81                                 var node = tree.getNodeById(record.id);\r
  82                                 if(node && node.parentNode){\r
  83                                         node.parentNode.removeChild(node);\r
  84                                 }\r
  85                         },\r
  86                         \r
  87                         update: function(ls, record){\r
  88                                 var node = tree.getNodeById(record.id);\r
  89                                 if(node){\r
  90                                         node.setText(record.data.listName);\r
  91                                 }\r
  92                         }\r
  93                 };\r
  94                 \r
  95                 this.on(this.boundTrees[tree.id]);\r
  96         },\r
  97         \r
  98         unbindTree : function(tree){\r
  99                 var h = this.boundTrees[tree.id];\r
 100                 if (h) {\r
 101                         this.un('add', h.add);\r
 102                         this.un('remove', h.remove);\r
 103                         this.un('update', h.update);\r
 104                 }\r
 105         },\r
 106         \r
 107         prepareTable : function(){\r
 108         try{\r
 109         this.createTable({\r
 110             name: 'list',\r
 111             key: 'listId',\r
 112             fields: tx.data.List.prototype.fields\r
 113         });\r
 114         }catch(e){console.log(e);}\r
 115     }\r
 116 });\r