+++ /dev/null
-if(!dojo._hasResource["dojox.wire.ml.Invocation"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
-dojo._hasResource["dojox.wire.ml.Invocation"] = true;
-dojo.provide("dojox.wire.ml.Invocation");
-
-dojo.require("dojox.wire.ml.Action");
-
-dojo.declare("dojox.wire.ml.Invocation", dojox.wire.ml.Action, {
- // summary:
- // A widget to invoke a method or publish a topic
- // description:
- // This widget represents a controller task to invoke a method or
- // publish a topic when an event (a function) or a topic is issued.
- // object:
- // A scope of a method to invoke
- // method:
- // A name of a method to invoke
- // topic:
- // A name of a topic to publish
- // parameters:
- // Arguments for the method or the topic
- // result:
- // A property to store a return value of the method call
- // error:
- // A property to store an error on the method call
- object: "",
- method: "",
- topic: "",
- parameters: "",
- result: "",
- error: "",
-
- _run: function(){
- // summary:
- // Invoke a method or publish a topic
- // description:
- // If 'topic' is specified, the topic is published with arguments
- // specified to 'parameters'.
- // If 'method' and 'object' are specified, the method is invoked
- // with arguments specified to 'parameters' and set the return
- // value to a property specified to 'result'.
- // 'object', 'parameters' and 'result' can specify properties of
- // a widget or an DOM element with the dotted notation.
- // If 'parameters' are omitted, the arguments to this method are
- // passed as is.
- if(this.topic){
- var args = this._getParameters(arguments);
- try{
- dojo.publish(this.topic, args);
- this.onComplete();
- }catch(e){
- this.onError(e);
- }
- }else if(this.method){
- var scope = (this.object ? dojox.wire.ml._getValue(this.object) : dojo.global);
- if(!scope){
- return; //undefined
- }
- var args = this._getParameters(arguments);
- var func = scope[this.method];
- if(!func){
- func = scope.callMethod;
- if(!func){
- return; //undefined
- }
- args = [this.method, args];
- }
- try{
- var connected = false;
- if(scope.getFeatures){
- var features = scope.getFeatures();
- if((this.method == "fetch" && features["dojo.data.api.Read"]) ||
- (this.method == "save" && features["dojo.data.api.Write"])){
- var arg = args[0];
- if(!arg.onComplete){
- arg.onComplete = function(){};
- }
- //dojo.connect(arg, "onComplete", this, "onComplete");
- this.connect(arg, "onComplete", "onComplete");
- if(!arg.onError){
- arg.onError = function(){};
- }
- //dojo.connect(arg, "onError", this, "onError");
- this.connect(arg, "onError", "onError");
- connected = true;
- }
- }
- var r = func.apply(scope, args);
- if(!connected){
- if(r && (r instanceof dojo.Deferred)){
- var self = this;
- r.addCallbacks(
- function(result){self.onComplete(result);},
- function(error){self.onError(error);}
- );
- }else{
- this.onComplete(r);
- }
- }
- }catch(e){
- this.onError(e);
- }
- }
- },
-
- onComplete: function(/*anything*/result){
- // summary:
- // A function called when the method or the topic publish
- // completed
- // description:
- // If 'result' attribute is specified, the result object also set
- // to the specified property.
- // result:
- // The return value of a method or undefined for a topic
- if(this.result){
- dojox.wire.ml._setValue(this.result, result);
- }
- if(this.error){ // clear error
- dojox.wire.ml._setValue(this.error, "");
- }
- },
-
- onError: function(/*anything*/error){
- // summary:
- // A function called on an error occurs
- // description:
- // If 'error' attribute is specified, the error object also set to
- // the specified property.
- // error:
- // The exception or error occurred
- if(this.error){
- if(error && error.message){
- error = error.message;
- }
- dojox.wire.ml._setValue(this.error, error);
- }
- },
-
- _getParameters: function(/*Array*/args){
- // summary:
- // Returns arguments to a method or topic to invoke
- // description:
- // This method retunrs an array of arguments specified by
- // 'parameters' attribute, a comma-separated list of IDs and
- // their properties in a dotted notation.
- // If 'parameters' are omitted, the original arguments are
- // used.
- // args:
- // Arguments to a trigger event or topic
- if(!this.parameters){
- // use arguments as is
- return args; //Array
- }
- var parameters = [];
- var list = this.parameters.split(",");
- if(list.length == 1){
- var parameter = dojox.wire.ml._getValue(dojo.trim(list[0]), args);
- if(dojo.isArray(parameter)){
- parameters = parameter;
- }else{
- parameters.push(parameter);
- }
- }else{
- for(var i in list){
- parameters.push(dojox.wire.ml._getValue(dojo.trim(list[i]), args));
- }
- }
- return parameters; //Array
- }
-});
-
-}
projects / eow / blobdiff