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, 65 insertions, 0 deletions

diff --git a/includes/js/dojo/rpc/JsonpService.js b/includes/js/dojo/rpc/JsonpService.js
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+++ b/includes/js/dojo/rpc/JsonpService.js
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+if(!dojo._hasResource["dojo.rpc.JsonpService"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
+dojo._hasResource["dojo.rpc.JsonpService"] = true;
+dojo.provide("dojo.rpc.JsonpService");
+dojo.require("dojo.rpc.RpcService");
+dojo.require("dojo.io.script");
+
+dojo.declare("dojo.rpc.JsonpService", dojo.rpc.RpcService, {
+	// summary:
+	//	Generic JSONP service.  Minimally extends RpcService to allow 
+	//	easy definition of nearly any JSONP style service. Example
+	//	SMD files exist in dojox.data
+
+	constructor: function(args, requiredArgs){
+		if(this.required) {
+			if(requiredArgs){
+				dojo.mixin(this.required, requiredArgs);
+			}
+
+			dojo.forEach(this.required, function(req){
+				if(req=="" || req==undefined){
+					throw new Error("Required Service Argument not found: "+req); 
+				}
+			});
+		}		
+	},
+
+	strictArgChecks: false,
+
+	bind: function(method, parameters, deferredRequestHandler, url){
+		//summary:
+		//              JSONP 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.io.script.get({
+			url: url||this.serviceUrl,
+			callbackParamName: this.callbackParamName||"callback",
+			content: this.createRequest(parameters),
+			timeout: this.timeout,
+			handleAs: "json",	
+			preventCache: true
+		});
+		def.addCallbacks(this.resultCallback(deferredRequestHandler), this.errorCallback(deferredRequestHandler));
+	},
+
+	createRequest: function(parameters){
+		// summary:
+		//      create a JSONP req
+		//      params: array
+		//              The array of parameters for this request;
+
+		var params = (dojo.isArrayLike(parameters) && parameters.length==1) ?
+				parameters[0] : {};
+		dojo.mixin(params,this.required);
+		return params;
+	}
+});
+
+}