OutlineStore.ts

import AppDispatcherInstance = require('../dispatcher/AppDispatcher');
import Events = require('events');
import React = require('react');
import AppDispatcher = require("../dispatcher/AppDispatcher");

//This is just an alias for the interface AppDispatcher.AppPayload
import Payload = AppDispatcher.AppPayload
import ActionIdentifier = AppDispatcher.ActionIdentifier
import Interfaces = require('../Tree/Interfaces')

var CHANGE_EVENT='change';

/**
 * This is the store of the app. It holds a '''up-to-date''' representation of the data
 */

//From the outside inaccessible representation of the data
var _nodes:Interfaces.NodeProps={key:0, node:undefined};

//We use EventEmitter of node.js
var emitter = new Events.EventEmitter();

export function emitChange() {
    emitter.emit(CHANGE_EVENT);
}

/** This is the call back which gets registered at the the AppDispatcher
 * @param {function} callback
 */
export function addChangeListener(callback:() => any) {
    emitter.on(CHANGE_EVENT, callback);
}

//
// export function getNode(id:any) {
//     return _nodes[id];
// }

export function getAllNodes() {
    return _nodes;
}

var dispatchToken=AppDispatcherInstance.instance.register((payload:Payload)=> {
    switch(payload.action) {
        case ActionIdentifier.REFRESH_FROM_SERVER:
            _nodes=payload.content;
            emitChange();
            break;
        default: //do nothing
    }
})