diff src/DML/MainVisBundle/Resources/assets/marionette/modules/DataModule/DataModule.31-DynamicDefinitionProvider.js @ 0:493bcb69166c

added public content

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/DML/MainVisBundle/Resources/assets/marionette/modules/DataModule/DataModule.31-DynamicDefinitionProvider.js	Tue Feb 09 20:54:02 2016 +0100
@@ -0,0 +1,74 @@
+"use strict";
+
+App.module("DataModule", function(DataModule, App, Backbone, Marionette, $, _, Logger) {
+    DataModule.addInitializer(function(){
+        //var logger = Logger.get("DataModule.DynamicDefinition");
+
+        DataModule.DynamicDefinitionProvider = Marionette.Object.extend({
+            
+            options: {
+                DynamicDefinition:                  undefined,
+                apiMethod:                          undefined,
+                customAttributesWhenNotApplicable: undefined,
+                customAttributesWhileBeingUpdated: undefined,
+                customAttributesWhenIsFaulty:      undefined,
+            },
+            
+            // These methods are defined in children prototypes
+            definitionIsFaulty: function(definition) {},
+            definitionIsBeingUpdated: function(definition) {},
+            configParametersToRequestParameters: function(config) {},
+            apiResponseToDynamicDefinitionAttributes: function(data, query) {},
+
+            initialize: function() {
+                //this.options = options;
+                this._dynamicDefinitionsByEntityConfigClientId = {};
+                this._requestHashesByParameterHash = {};
+                this._requestParametersByRequestHash = {};
+                this._cachedAttributesByRequestHash = {};
+            },
+            
+            get: function(entityConfig) {
+                var clientId = entityConfig.getClientId();
+                var definition = this._dynamicDefinitionsByEntityConfigClientId[clientId];
+                
+                if (!definition) {
+                    definition = new this.options.DynamicDefinition({}, {
+                        entityConfig: entityConfig,
+                        provider: this,
+                    });
+                    this._dynamicDefinitionsByEntityConfigClientId[clientId] = definition;
+                }
+                
+                return definition;
+            },
+            
+            retire: function (entityConfigClientId) {
+                var definitionToRetire = this._dynamicDefinitionsByEntityConfigClientId[entityConfigClientId];
+                definitionToRetire.destroy();
+                delete this._dynamicDefinitionsByEntityConfigClientId[entityConfigClientId];
+            },
+            
+            updateResponseForRequestHash: function(requestHash) {
+                var requestParameters = this._requestParametersByRequestHash[requestHash];
+                
+                if (requestParameters === null) {
+                    this._cachedAttributesByRequestHash[requestHash] = _.clone(this.options.customAttributesWhenNotApplicable);
+                    this.trigger("change:" + requestHash);
+                    return;
+                }
+                
+                this._cachedAttributesByRequestHash[requestHash] = _.clone(this.options.customAttributesWhileBeingUpdated);
+                this.trigger("change:" + requestHash);
+                
+                var provider = this;
+                App.DataModule.CliopatriaAPI.request(this.options.apiMethod, requestParameters, function(data, query){
+                    var attributes = provider.apiResponseToAttributes(data, query);
+                    provider._cachedAttributesByRequestHash[requestHash] = attributes;
+                    provider.trigger("change:" + requestHash);
+                });
+            }
+        });
+    });
+    
+}, Logger);