109 lines
5.5 KiB
HTML
109 lines
5.5 KiB
HTML
<!DOCTYPE html>
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<html>
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
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<title>The source code</title>
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<body onload="prettyPrint(); highlight();">
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<pre class="prettyprint lang-js"><span id='Ext-data-JsonWriter'>/**
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</span> * @class Ext.data.JsonWriter
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* @extends Ext.data.DataWriter
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* DataWriter extension for writing an array or single {@link Ext.data.Record} object(s) in preparation for executing a remote CRUD action.
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*/
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Ext.data.JsonWriter = Ext.extend(Ext.data.DataWriter, {
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<span id='Ext-data-JsonWriter-cfg-encode'> /**
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</span> * @cfg {Boolean} encode <p><tt>true</tt> to {@link Ext.util.JSON#encode JSON encode} the
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* {@link Ext.data.DataWriter#toHash hashed data} into a standard HTTP parameter named after this
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* Reader's <code>meta.root</code> property which, by default is imported from the associated Reader. Defaults to <tt>true</tt>.</p>
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* <p>If set to <code>false</code>, the hashed data is {@link Ext.util.JSON#encode JSON encoded}, along with
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* the associated {@link Ext.data.Store}'s {@link Ext.data.Store#baseParams baseParams}, into the POST body.</p>
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* <p>When using {@link Ext.data.DirectProxy}, set this to <tt>false</tt> since Ext.Direct.JsonProvider will perform
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* its own json-encoding. In addition, if you're using {@link Ext.data.HttpProxy}, setting to <tt>false</tt>
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* will cause HttpProxy to transmit data using the <b>jsonData</b> configuration-params of {@link Ext.Ajax#request}
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* instead of <b>params</b>.</p>
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* <p>When using a {@link Ext.data.Store#restful} Store, some serverside frameworks are
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* tuned to expect data through the jsonData mechanism. In those cases, one will want to set <b>encode: <tt>false</tt></b>, as in
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* let the lower-level connection object (eg: Ext.Ajax) do the encoding.</p>
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*/
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encode : true,
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<span id='Ext-data-JsonWriter-cfg-encodeDelete'> /**
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</span> * @cfg {Boolean} encodeDelete False to send only the id to the server on delete, true to encode it in an object
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* literal, eg: <pre><code>
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{id: 1}
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* </code></pre> Defaults to <tt>false</tt>
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*/
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encodeDelete: false,
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<span id='Ext-data-JsonWriter-method-constructor'> constructor : function(config){
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</span> Ext.data.JsonWriter.superclass.constructor.call(this, config);
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},
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<span id='Ext-data-JsonWriter-method-render'> /**
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</span> * <p>This method should not need to be called by application code, however it may be useful on occasion to
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* override it, or augment it with an {@link Function#createInterceptor interceptor} or {@link Function#createSequence sequence}.</p>
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* <p>The provided implementation encodes the serialized data representing the Store's modified Records into the Ajax request's
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* <code>params</code> according to the <code>{@link #encode}</code> setting.</p>
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* @param {Object} Ajax request params object to write into.
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* @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}.
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* @param {Object/Object[]} data Data object representing the serialized modified records from the Store. May be either a single object,
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* or an Array of objects - user implementations must handle both cases.
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*/
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render : function(params, baseParams, data) {
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if (this.encode === true) {
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// Encode here now.
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Ext.apply(params, baseParams);
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params[this.meta.root] = Ext.encode(data);
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} else {
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// defer encoding for some other layer, probably in {@link Ext.Ajax#request}. Place everything into "jsonData" key.
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var jdata = Ext.apply({}, baseParams);
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jdata[this.meta.root] = data;
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params.jsonData = jdata;
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}
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},
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<span id='Ext-data-JsonWriter-method-createRecord'> /**
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</span> * Implements abstract Ext.data.DataWriter#createRecord
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* @protected
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* @param {Ext.data.Record} rec
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* @return {Object}
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*/
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createRecord : function(rec) {
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return this.toHash(rec);
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},
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<span id='Ext-data-JsonWriter-method-updateRecord'> /**
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</span> * Implements abstract Ext.data.DataWriter#updateRecord
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* @protected
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* @param {Ext.data.Record} rec
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* @return {Object}
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*/
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updateRecord : function(rec) {
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return this.toHash(rec);
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},
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<span id='Ext-data-JsonWriter-method-destroyRecord'> /**
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</span> * Implements abstract Ext.data.DataWriter#destroyRecord
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* @protected
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* @param {Ext.data.Record} rec
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* @return {Object}
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*/
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destroyRecord : function(rec){
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if(this.encodeDelete){
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var data = {};
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data[this.meta.idProperty] = rec.id;
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return data;
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}else{
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return rec.id;
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}
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}
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});</pre>
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</body>
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</html>
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