Contribute disabled when no directory or graphml loaded

Author: Rahuljagwani

src/component/fileBrowser.jsx

@@ -99,6 +99,7 @@ const LocalFileBrowser = ({ superState, dispatcher }) => {
         }
         setFileState([]);
         setFileState(state);
+        dispatcher({ type: T.SET_DIR_NAME, payload: state[0].key.split('/')[0] });
     };
 
     const newFeatureFile = async () => {

src/reducer/actionType.js

@@ -32,6 +32,7 @@ const actionType = {
     SET_NEW_GRAPH_MODAL: 'SET_NEW_GRAPH_MODAL',
     EDIT_TEXTFILE: 'EDIT_TEXTFILE',
     SET_FILE_HANDLE: 'SET_FILE_HANDLE',
+    SET_DIR_NAME: 'SET_DIR_NAME',
 };
 
 export default zealit(actionType);

src/reducer/initialState.js

@@ -24,6 +24,7 @@ const initialState = {
     isWorkflowOnServer: false,
     curGraphInstance: null,
     zoomLevel: 100,
+    uploadedDirName: null,
 };
 
 const initialGraphState = {

src/reducer/reducer.js

@@ -183,6 +183,10 @@ const reducer = (state, action) => {
         };
     }
 
+    case T.SET_DIR_NAME: {
+        return { ...state, uploadedDirName: action.payload };
+    }
+
     default:
         return state;
     }

src/toolbarActions/toolbarList.js

@@ -219,7 +219,7 @@ const toolbarList = (state, dispatcher) => [
         text: 'Contribute',
         icon: FiTriangle,
         action: () => { window.open('https://github.com/ControlCore-Project/concore', '_blank'); },
-        active: true,
+        active: state.curGraphInstance || state.uploadedDirName,
         visibility: true,
     },
     // {