add draggingHistoryItem to history store

client/src/store/historyStore/historyStore.js

@@ -19,6 +19,7 @@ const state = {
     // histories for current user
     histories: {},
     historiesLoading: false,
+    draggingHistoryItem: null,
 };
 
 const mutations = {
@@ -54,6 +55,9 @@ const mutations = {
     setHistoriesLoading(state, isLoading) {
         state.historiesLoading = isLoading;
     },
+    setDraggingHistoryItem(state, item) {
+        state.draggingHistoryItem = item;
+    },
 };
 
 const getters = {
@@ -89,6 +93,9 @@ const getters = {
     historiesLoading: (state) => {
         return state.historiesLoading;
     },
+    getDraggingHistoryItem: (state) => {
+        return state.draggingHistoryItem;
+    },
 };
 
 // flags to keep track of loading states
@@ -173,6 +180,9 @@ const actions = {
         const saveResult = await updateHistoryFields(id, updateFields);
         commit("setHistory", saveResult);
     },
+    setDraggingHistoryItem({ commit }, item) {
+        commit("setDraggingHistoryItem", item);
+    },
 };
 
 export const historyStore = {