Add a flag to the account structure to defer balance computation

libgnucash/engine/Account.cpp

@@ -1859,6 +1859,29 @@ gnc_account_set_balance_dirty (Account *acc)
     priv->balance_dirty = TRUE;
 }
 
+void gnc_account_set_defer_bal_computation (Account *acc, gboolean defer)
+{
+    AccountPrivate *priv;
+    
+    g_return_if_fail (GNC_IS_ACCOUNT (acc));
+    
+    if (qof_instance_get_destroying (acc))
+        return;
+    
+    priv = GET_PRIVATE (acc);
+    priv->defer_bal_computation = defer;
+}
+
+gboolean gnc_account_get_defer_bal_computation (Account *acc)
+{
+    AccountPrivate *priv;
+    if (!acc)
+        return false;
+    priv = GET_PRIVATE (acc);
+    return priv->defer_bal_computation;
+}
+
+
 /********************************************************************\
 \********************************************************************/
 
@@ -2214,7 +2237,7 @@ xaccAccountRecomputeBalance (Account * acc)
 
     priv = GET_PRIVATE(acc);
     if (qof_instance_get_editlevel(acc) > 0) return;
-    if (!priv->balance_dirty) return;
+    if (!priv->balance_dirty || priv->defer_bal_computation) return;
     if (qof_instance_get_destroying(acc)) return;
     if (qof_book_shutting_down(qof_instance_get_book(acc))) return;
 

libgnucash/engine/Account.h

@@ -360,7 +360,18 @@ void gnc_account_set_balance_dirty (Account *acc);
  *
  *  @param acc Set the flag on this account. */
 void gnc_account_set_sort_dirty (Account *acc);
-
+    
+/** Set the defer balance flag. If defer is true, the account balance
+ * is not automatically computed, which can save a lot of time if
+ * multiple operations have to be done on the same account. If
+ * defer is false, further operations on account will cause the
+ * balance to be recomputed as normal.
+ *
+ *  @param acc Set the flag on this account.
+ *
+ *  @param defer New value for the flag. */
+void gnc_account_set_defer_bal_computation (Account *acc, gboolean defer);
+    
 /** Insert the given split from an account.
  *
  *  @param acc The account to which the split should be added.
@@ -403,6 +414,8 @@ const char * xaccAccountGetNotes (const Account *account);
 const char * xaccAccountGetLastNum (const Account *account);
 /** Get the account's lot order policy */
 GNCPolicy *gnc_account_get_policy (Account *account);
+/** Get the account's flag for deferred balance computation */
+gboolean gnc_account_get_defer_bal_computation (Account *acc);
 
 /** The following recompute the partial balances (stored with the
  *  transaction) and the total balance, for this account

libgnucash/engine/AccountP.h

@@ -126,6 +126,7 @@ typedef struct AccountPrivate
      * in any way desired.  Handy for specialty traversals of the
      * account tree. */
     short mark;
+    gboolean defer_bal_computation;
 } AccountPrivate;
 
 struct account_s

libgnucash/engine/mocks/gmock-Transaction.cpp

@@ -46,6 +46,13 @@ xaccTransGetSplit (const Transaction *trans, int i)
     return ((MockTransaction*)trans)->getSplit(i);
 }
 
+SplitList *
+xaccTransGetSplitList (const Transaction *trans)
+{
+    g_return_val_if_fail(GNC_IS_MOCK_TRANSACTION(trans), NULL);
+    return trans ? ((MockTransaction*)trans)->getSplitList() : NULL;
+}
+
 Split *
 xaccTransFindSplitByAccount(const Transaction *trans, const Account *acc)
 {

libgnucash/engine/mocks/gmock-Transaction.h

@@ -52,6 +52,7 @@ public:
     MOCK_METHOD0(beginEdit, void());
     MOCK_METHOD0(commitEdit, void());
     MOCK_METHOD1(getSplit, Split *(int));
+    MOCK_METHOD0(getSplitList, SplitList *());
     MOCK_METHOD1(findSplitByAccount, Split *(const Account*));
     MOCK_METHOD0(getDate, time64());
     MOCK_METHOD1(setDatePostedSecsNormalized, void(time64));