X-Git-Url: http://git.ithinksw.org/extjs.git/blobdiff_plain/ee06f37b0f6f6d94cd05a6ffae556660f7c4a2bc..c930e9176a5a85509c5b0230e2bff5c22a591432:/src/data/DirectProxy.js diff --git a/src/data/DirectProxy.js b/src/data/DirectProxy.js new file mode 100644 index 00000000..14475874 --- /dev/null +++ b/src/data/DirectProxy.js @@ -0,0 +1,141 @@ +/*! + * Ext JS Library 3.0.0 + * Copyright(c) 2006-2009 Ext JS, LLC + * licensing@extjs.com + * http://www.extjs.com/license + */ +/** + * @class Ext.data.DirectProxy + * @extends Ext.data.DataProxy + */ +Ext.data.DirectProxy = function(config){ + Ext.apply(this, config); + if(typeof this.paramOrder == 'string'){ + this.paramOrder = this.paramOrder.split(/[\s,|]/); + } + Ext.data.DirectProxy.superclass.constructor.call(this, config); +}; + +Ext.extend(Ext.data.DirectProxy, Ext.data.DataProxy, { + /** + * @cfg {Array/String} paramOrder Defaults to undefined. A list of params to be executed + * server side. Specify the params in the order in which they must be executed on the server-side + * as either (1) an Array of String values, or (2) a String of params delimited by either whitespace, + * comma, or pipe. For example, + * any of the following would be acceptable:
+paramOrder: ['param1','param2','param3']
+paramOrder: 'param1 param2 param3'
+paramOrder: 'param1,param2,param3'
+paramOrder: 'param1|param2|param'
+
+ */
+ paramOrder: undefined,
+
+ /**
+ * @cfg {Boolean} paramsAsHash
+ * Send parameters as a collection of named arguments (defaults to true). Providing a
+ * {@link #paramOrder} nullifies this configuration.
+ */
+ paramsAsHash: true,
+
+ /**
+ * @cfg {Function} directFn
+ * Function to call when executing a request. directFn is a simple alternative to defining the api configuration-parameter
+ * for Store's which will not implement a full CRUD api.
+ */
+ directFn : undefined,
+
+ // protected
+ doRequest : function(action, rs, params, reader, callback, scope, options) {
+ var args = [];
+ var directFn = this.api[action] || this.directFn;
+
+ switch (action) {
+ case Ext.data.Api.actions.create:
+ args.push(params[reader.meta.root]); // <-- create(Hash)
+ break;
+ case Ext.data.Api.actions.read:
+ if(this.paramOrder){
+ for(var i = 0, len = this.paramOrder.length; i < len; i++){
+ args.push(params[this.paramOrder[i]]);
+ }
+ }else if(this.paramsAsHash){
+ args.push(params);
+ }
+ break;
+ case Ext.data.Api.actions.update:
+ args.push(params[reader.meta.idProperty]); // <-- save(Integer/Integer[], Hash/Hash[])
+ args.push(params[reader.meta.root]);
+ break;
+ case Ext.data.Api.actions.destroy:
+ args.push(params[reader.meta.root]); // <-- destroy(Int/Int[])
+ break;
+ }
+
+ var trans = {
+ params : params || {},
+ callback : callback,
+ scope : scope,
+ arg : options,
+ reader: reader
+ };
+
+ args.push(this.createCallback(action, rs, trans), this);
+ directFn.apply(window, args);
+ },
+
+ // private
+ createCallback : function(action, rs, trans) {
+ return function(result, res) {
+ if (!res.status) {
+ // @deprecated fire loadexception
+ if (action === Ext.data.Api.actions.read) {
+ this.fireEvent("loadexception", this, trans, res, null);
+ }
+ this.fireEvent('exception', this, 'remote', action, trans, res, null);
+ trans.callback.call(trans.scope, null, trans.arg, false);
+ return;
+ }
+ if (action === Ext.data.Api.actions.read) {
+ this.onRead(action, trans, result, res);
+ } else {
+ this.onWrite(action, trans, result, res, rs);
+ }
+ };
+ },
+ /**
+ * Callback for read actions
+ * @param {String} action [Ext.data.Api.actions.create|read|update|destroy]
+ * @param {Object} trans The request transaction object
+ * @param {Object} res The server response
+ * @private
+ */
+ onRead : function(action, trans, result, res) {
+ var records;
+ try {
+ records = trans.reader.readRecords(result);
+ }
+ catch (ex) {
+ // @deprecated: Fire old loadexception for backwards-compat.
+ this.fireEvent("loadexception", this, trans, res, ex);
+
+ this.fireEvent('exception', this, 'response', action, trans, res, ex);
+ trans.callback.call(trans.scope, null, trans.arg, false);
+ return;
+ }
+ this.fireEvent("load", this, res, trans.arg);
+ trans.callback.call(trans.scope, records, trans.arg, true);
+ },
+ /**
+ * Callback for write actions
+ * @param {String} action [Ext.data.Api.actions.create|read|update|destroy]
+ * @param {Object} trans The request transaction object
+ * @param {Object} res The server response
+ * @private
+ */
+ onWrite : function(action, trans, result, res, rs) {
+ this.fireEvent("write", this, action, result, res, rs, trans.arg);
+ trans.callback.call(trans.scope, result, res, true);
+ }
+});
+