1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
|
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>The source code</title>
<link href="../resources/prettify/prettify.css" type="text/css" rel="stylesheet" />
<script type="text/javascript" src="../resources/prettify/prettify.js"></script>
</head>
<body onload="prettyPrint();">
<pre class="prettyprint lang-js">/*!
* Ext JS Library 3.4.0
* Copyright(c) 2006-2011 Sencha Inc.
* licensing@sencha.com
* http://www.sencha.com/license
*/
<div id="cls-Ext.data.JsonWriter"></div>/**
* @class Ext.data.JsonWriter
* @extends Ext.data.DataWriter
* DataWriter extension for writing an array or single {@link Ext.data.Record} object(s) in preparation for executing a remote CRUD action.
*/
Ext.data.JsonWriter = Ext.extend(Ext.data.DataWriter, {
<div id="cfg-Ext.data.JsonWriter-encode"></div>/**
* @cfg {Boolean} encode <p><tt>true</tt> to {@link Ext.util.JSON#encode JSON encode} the
* {@link Ext.data.DataWriter#toHash hashed data} into a standard HTTP parameter named after this
* Reader's <code>meta.root</code> property which, by default is imported from the associated Reader. Defaults to <tt>true</tt>.</p>
* <p>If set to <code>false</code>, the hashed data is {@link Ext.util.JSON#encode JSON encoded}, along with
* the associated {@link Ext.data.Store}'s {@link Ext.data.Store#baseParams baseParams}, into the POST body.</p>
* <p>When using {@link Ext.data.DirectProxy}, set this to <tt>false</tt> since Ext.Direct.JsonProvider will perform
* its own json-encoding. In addition, if you're using {@link Ext.data.HttpProxy}, setting to <tt>false</tt>
* will cause HttpProxy to transmit data using the <b>jsonData</b> configuration-params of {@link Ext.Ajax#request}
* instead of <b>params</b>.</p>
* <p>When using a {@link Ext.data.Store#restful} Store, some serverside frameworks are
* tuned to expect data through the jsonData mechanism. In those cases, one will want to set <b>encode: <tt>false</tt></b>, as in
* let the lower-level connection object (eg: Ext.Ajax) do the encoding.</p>
*/
encode : true,
<div id="cfg-Ext.data.JsonWriter-encodeDelete"></div>/**
* @cfg {Boolean} encodeDelete False to send only the id to the server on delete, true to encode it in an object
* literal, eg: <pre><code>
{id: 1}
* </code></pre> Defaults to <tt>false</tt>
*/
encodeDelete: false,
constructor : function(config){
Ext.data.JsonWriter.superclass.constructor.call(this, config);
},
<div id="method-Ext.data.JsonWriter-render"></div>/**
* <p>This method should not need to be called by application code, however it may be useful on occasion to
* override it, or augment it with an {@link Function#createInterceptor interceptor} or {@link Function#createSequence sequence}.</p>
* <p>The provided implementation encodes the serialized data representing the Store's modified Records into the Ajax request's
* <code>params</code> according to the <code>{@link #encode}</code> setting.</p>
* @param {Object} Ajax request params object to write into.
* @param {Object} baseParams as defined by {@link Ext.data.Store#baseParams}. The baseParms must be encoded by the extending class, eg: {@link Ext.data.JsonWriter}, {@link Ext.data.XmlWriter}.
* @param {Object/Object[]} data Data object representing the serialized modified records from the Store. May be either a single object,
* or an Array of objects - user implementations must handle both cases.
*/
render : function(params, baseParams, data) {
if (this.encode === true) {
// Encode here now.
Ext.apply(params, baseParams);
params[this.meta.root] = Ext.encode(data);
} else {
// defer encoding for some other layer, probably in {@link Ext.Ajax#request}. Place everything into "jsonData" key.
var jdata = Ext.apply({}, baseParams);
jdata[this.meta.root] = data;
params.jsonData = jdata;
}
},
<div id="method-Ext.data.JsonWriter-createRecord"></div>/**
* Implements abstract Ext.data.DataWriter#createRecord
* @protected
* @param {Ext.data.Record} rec
* @return {Object}
*/
createRecord : function(rec) {
return this.toHash(rec);
},
<div id="method-Ext.data.JsonWriter-updateRecord"></div>/**
* Implements abstract Ext.data.DataWriter#updateRecord
* @protected
* @param {Ext.data.Record} rec
* @return {Object}
*/
updateRecord : function(rec) {
return this.toHash(rec);
},
<div id="method-Ext.data.JsonWriter-destroyRecord"></div>/**
* Implements abstract Ext.data.DataWriter#destroyRecord
* @protected
* @param {Ext.data.Record} rec
* @return {Object}
*/
destroyRecord : function(rec){
if(this.encodeDelete){
var data = {};
data[this.meta.idProperty] = rec.id;
return data;
}else{
return rec.id;
}
}
});</pre>
</body>
</html>
|
