comparison src/DML/MainVisBundle/Resources/assets/marionette/modules/ContextModule/ContextModule.50-AppContextManager.js @ 0:493bcb69166c

added public content

+"use strict";
+
+App.module("ContextModule", function(ContextModule, App, Backbone, Marionette, $, _, Logger) {
+
+    // Define private variables
+    var logger = null;
+
+    ContextModule.addInitializer(function(options){
+
+        logger = Logger.get("ContextModule.AppContextManager");
+        logger.setLevel(Logger.DEBUG);
+
+        /**
+         * AppContextManager saves the given app context into the local storage and restores it
+         */
+        ContextModule.AppContextManager = Backbone.Marionette.Object.extend({
+
+            /**
+             * @memberOf App.ContextModule.AppContextManager
+             */
+            initialize: function() {
+                this.defaultSerializedAppContexts = {
+                        "": {
+                            stateHistory: {
+                                currentSerializedState: {
+                                    musicCollectionGrid: {
+                                        selectedEntityConfigClientId: "def0",
+                                        entityConfigs: [
+                                                {clientId: "def0", parameters: {"library": "CHARM", composer: "Mozart"}},
+                                                {clientId: "def1", parameters: {"library": "CHARM", composer: "Haydn"}}
+                                            ],
+                                        viewConfigs: [
+                                              {clientId: "def2", parameters: {kind: "list"}},
+                                              {clientId: "def3", parameters: {kind: "tonic-histogram"}}
+                                            ],
+                                    },
+                                    musicRecordingGrid: {
+                                        viewConfigs: [
+                                              {clientId: "def4", parameters: {kind: "properties"}},
+                                              {clientId: "def5", parameters: {kind: "midi-pitch-histogram"}},
+                                          ],
+                                    }
+                                }
+                            }
+                        },
+                        "empty": {},
+                    };
+            },
+
+            /**
+             * @memberOf App.ContextModule.AppContextManager
+             * @returns {Boolean} true if success, false if there was a problem
+             */
+            saveToStorage: function(appContext) {
+                logger.debug("Saving to storage")
+                return App.DataModule.Storage.setObjCache(ContextModule, "context", appContext.serialize());
+            },
+
+            /**
+             * @memberOf App.ContextModule.AppContextManager
+             * @returns {Boolean} true if success, false if there was an error, and a default was restored
+             */
+            restoreFromStorage: function(appContext, nameOfDefaultIfFailure) {
+                logger.debug("Restoring from storage")
+                var serializedAppContext = App.DataModule.Storage.getObjCache(ContextModule, "context");
+                if (!serializedAppContext) {
+                    this.restoreDefault(appContext, nameOfDefaultIfFailure);
+                    return false;
+                } else {
+                    appContext.unserialize(serializedAppContext);
+                    return true;
+                };
+            },
+
+            restoreDefault: function(appContext, nameOfDefault) {
+                var name = nameOfDefault;
+                if (!name) {
+                    name = "";
+                }
+                logger.debug("Restoring default");
+                appContext.unserialize(this.defaultSerializedAppContexts[name]);
+            }
+        });
+    });
+}, Logger);