started creating spreadsheet component

app/stores/LocalStore.js

@@ -0,0 +1,62 @@
+/**
+ * Created by senadu on 12/22/14.
+ */
+
+var CsvEditorDispatcher = require('../dispatcher/CsvEditorDispatcher');
+var EventEmitter = require('events').EventEmitter;
+var CsvEditorConstants = require('../constants/CsvEditorConstants');
+var assign = require('object-assign');
+
+
+var ActionTypes = CsvEditorConstants.ActionTypes;
+var EventTypes =  CsvEditorConstants.EventTypes;
+
+
+var LocalStore = assign({}, EventEmitter.prototype, {
+
+    emitFileLoadedEvent: function() {
+        this.emit(EventTypes.FILE_CHOSEN);
+    },
+
+    /**
+     * @param {function} callback
+     */
+    addFileLoadedListener: function(callback) {
+        this.on(EventTypes.FILE_CHOSEN, callback);
+    },
+
+    removeFileLoadedListener: function(callback) {
+        this.removeListener(EventTypes.FILE_CHOSEN, callback);
+    },
+
+
+    getColumns: function() {
+        return ["First", "Second", "Third"];
+    },
+
+    getDataForColumns: function() {
+        return {
+            "First": [1,2,3,4,5],
+            "Second": [1.1,2.2,3.3,4.4,5.5],
+            "Third": ["Hamo", "Suljo","Aha", "Maha", "Vaha"]
+        }
+    }
+
+});
+
+
+LocalStore.dispatchToken = CsvEditorDispatcher.register(function(payload) {
+    var action = payload.action;
+
+    switch(action.type) {
+        case ActionTypes.FILE_CHOSEN:
+            LocalStore.emitFileLoadedEvent();
+            break;
+        default:
+            // do nothing
+    }
+});
+
+
+module.exports = LocalStore;
+