New feature: basic Ajax suggestion for tags and implementation of Dojo toolkit

git-svn-id: https://semanticscuttle.svn.sourceforge.net/svnroot/semanticscuttle/trunk@151 b3834d28-1941-0410-a4f8-b48e95affb8f

1 files changed, 83 insertions, 0 deletions

diff --git a/includes/js/dojo/rpc/JsonService.js b/includes/js/dojo/rpc/JsonService.js
new file mode 100644
index 0000000..d9775f6
--- /dev/null
+++ b/includes/js/dojo/rpc/JsonService.js
@@ -0,0 +1,83 @@
+if(!dojo._hasResource["dojo.rpc.JsonService"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
+dojo._hasResource["dojo.rpc.JsonService"] = true;
+dojo.provide("dojo.rpc.JsonService");
+dojo.require("dojo.rpc.RpcService");
+
+dojo.declare("dojo.rpc.JsonService", dojo.rpc.RpcService, {
+		bustCache: false,
+		contentType: "application/json-rpc",
+		lastSubmissionId: 0,
+
+		callRemote: function(method, params){
+			// summary:
+			// 		call an arbitrary remote method without requiring it to be
+			// 		predefined with SMD
+			//	method: string
+			//		the name of the remote method you want to call.
+			//	params: array
+			//		array of parameters to pass to method
+
+			var deferred = new dojo.Deferred();
+			this.bind(method, params, deferred);
+			return deferred;
+		},
+
+		bind: function(method, parameters, deferredRequestHandler, url){
+			//summary:
+			//		JSON-RPC bind method. Takes remote method, parameters,
+			//		deferred, and a url, calls createRequest to make a JSON-RPC
+			//		envelope and passes that off with bind.
+			//	method: string
+			//		The name of the method we are calling
+			//	parameters: array
+			//		The parameters we are passing off to the method
+			//	deferredRequestHandler: deferred
+			//		The Deferred object for this particular request
+
+			var def = dojo.rawXhrPost({
+				url: url||this.serviceUrl,
+				postData: this.createRequest(method, parameters),
+				contentType: this.contentType,
+				timeout: this.timeout, 
+				handleAs: "json-comment-optional"
+			});
+			def.addCallbacks(this.resultCallback(deferredRequestHandler), this.errorCallback(deferredRequestHandler));
+		},
+
+		createRequest: function(method, params){
+			// summary:
+			//	create a JSON-RPC envelope for the request
+			//	method: string
+			//		The name of the method we are creating the requst for
+			//	params: array
+			//		The array of parameters for this request;
+			
+			var req = { "params": params, "method": method, "id": ++this.lastSubmissionId };
+			var data = dojo.toJson(req);
+			return data;
+		},
+
+		parseResults: function(/*anything*/obj){
+			//summary:
+			//		parse the result envelope and pass the results back to
+			//		the callback function
+			//	obj: Object
+			//		Object containing envelope of data we recieve from the server
+
+			if(dojo.isObject(obj)){
+				if("result" in obj){
+					return obj.result;
+				}
+				if("Result" in obj){
+					return obj.Result;
+				}
+				if("ResultSet" in obj){
+					return obj.ResultSet;
+				}
+			}
+			return obj;
+		}
+	}
+);
+
+}