HttpProxy.js
Ext.data.HttpProxy = function(conn){
Ext.data.HttpProxy.superclass.constructor.call(this);
// is conn a conn config or a real conn?
this.conn = conn.events ? conn : new Ext.data.Connection(conn);
};
Ext.extend(Ext.data.HttpProxy, Ext.data.DataProxy, {
getConnection : function(){
return this.conn;
},
load : function(params, reader, callback, scope, arg){
if(this.fireEvent('beforeload', this, params) !== false){
this.conn.request({
params : params || {},
request: {
callback : callback,
scope : scope,
arg : arg
},
reader: reader,
callback : this.loadResponse,
scope: this
});
}else{
callback.call(scope||this, null, arg, false);
}
},
loadResponse : function(o, success, response){
if(!success){
this.fireEvent('loadexception', this, o, response);
o.request.callback.call(o.request.scope, null, o.request.arg, false);
return;
}
var result;
try {
result = o.reader.read(response);
}catch(e){
this.fireEvent('loadexception', this, o, response, e);
o.request.callback.call(o.request.scope, null, o.request.arg, false);
return;
}
o.request.callback.call(o.request.scope, result, o.request.arg, true);
},
update : function(dataSet){
},
updateResponse : function(dataSet){
}
});
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