created navigation store

front-ui/app/stores/navigationStore.js

@@ -0,0 +1,51 @@
+var AppDispatcher = require('../dispatcher/appDispatcher');
+var EventEmitter = require('events').EventEmitter;
+
+var NavigationConstants = require('../constants/navigationConstants')
+var _ = require('underscore');
+
+
+// Extend ItemStore with EventEmitter to add eventing capabilities
+var NavigationStore = _.extend({}, EventEmitter.prototype, {
+
+  // Emit Change event
+  emitChange: function() {
+    console.log("NavigationStore change!");
+    this.emit('change');
+  },
+
+  // Add change listener
+  addChangeListener: function(callback) {
+    this.on('change', callback);
+  },
+
+  // Remove change listener
+  removeChangeListener: function(callback) {
+    this.removeListener('change', callback);
+  }
+
+});
+
+
+// Register callback with AppDispatcher
+AppDispatcher.register(function(payload) {
+  var action = payload.action;
+
+  switch(action.actionType) {
+
+    case NavigationConstants.CHANGE_URL:   
+      var router = require('../router'); 
+      router.transitionTo(action.url);
+      break;
+
+    default:
+      return true;
+  }
+
+  // If action was responded to, emit change event
+  NavigationStore.emitChange();
+  return true;
+
+});
+
+module.exports = NavigationStore;