started creating spreadsheet component

app/components/SpreadSheet.react.js

@@ -1,16 +1,38 @@
 /** @jsx React.DOM */
+
 var React = require('react');
-var ChooseFile = require('./ChooseFile.react');
+var LocalStore = require('../stores/LocalStore');
+
+
+var getStateFromStore = function () {
+    return {
+        columns: LocalStore.getColumns(),
+        data: LocalStore.getDataForColumns()
+    }
+};
+
 
 var SpreadSheet = React.createClass({
 
-	render: function() {
-		return (
-		<div className="spreadsheet">
-		<ChooseFile />
-		</div>
-		);
-	}
+    getInitialState: function() {
+        return getStateFromStore();
+    },
+
+    render: function () {
+
+        var columns = this.state.columns.map(function (column) {
+           return(<th>{column}</th>);
+        });
+
+
+        return (
+            <table className="spreadsheet">
+                <tr>
+		            {columns}
+                </tr>
+            </table>
+        );
+    }
 
 });