add group function to auto-insert an account code

git-svn-id: svn+ssh://svn.gnucash.org/repo/gnucash/trunk@1322 57a11ea4-9604-0410-9ed3-97b8803252fd

src/engine/Group.c

@@ -351,6 +351,7 @@ xaccRemoveAccount (Account *acc)
 
 /********************************************************************\
 \********************************************************************/
+
 void
 xaccInsertSubAccount( Account *adult, Account *child )
 {
@@ -467,6 +468,33 @@ xaccRecomputeGroupBalance (AccountGroup *grp)
 /********************************************************************\
 \********************************************************************/
 
+void
+xaccGroupDepthAutoCode (AccountGroup *grp)
+{
+   int depth;
+
+   /* get the depth */
+   depth = xaccGroupGetDepth (grp);
+   if (3>depth) depth = 3;
+
+   xaccGroupAutoCode (grp, depth);
+} 
+
+void
+xaccGroupAutoCode (AccountGroup *grp, int depth)
+{
+   int i;
+
+   for (i=0; i<grp->numAcc; i++) {
+      Account *acc = grp->account[i];
+      xaccAccountAutoCode (acc, depth);
+      xaccGroupAutoCode (acc->children, depth);
+   }
+} 
+
+/********************************************************************\
+\********************************************************************/
+
 void 
 xaccConcatGroups (AccountGroup *togrp, AccountGroup *fromgrp)
 {
@@ -595,4 +623,22 @@ xaccGroupGetBalance (AccountGroup * grp)
    return (grp->balance);
 }
 
+/********************************************************************\
+\********************************************************************/
+
+int     
+xaccGroupGetDepth (AccountGroup *grp)
+{
+   int i, depth=0, maxdepth=0;
+   if (!grp) return 0;
+
+   for (i=0; i<grp->numAcc; i++) {
+      depth = xaccGroupGetDepth (grp->account[i]->children);
+      if (depth > maxdepth) maxdepth = depth;
+   }
+
+   maxdepth++;
+   return maxdepth;
+}
+
 /****************** END OF FILE *************************************/

src/engine/Group.h

@@ -80,14 +80,17 @@ void    xaccInsertSubAccount( Account *parent, Account *child );
 /*
  * The xaccGetNumAccounts() subroutine returns the number
  *    of accounts, including subaccounts, in the account group
- */
+ *
-int     xaccGetNumAccounts (AccountGroup *grp);
-
-/*
  * The xaccGroupGetNumAccounts() subroutine returns the number
  *    of accounts in the indicated group only (children not counted).
+ *
+ * The xaccGroupGetDepth() subroutine returns the length of the 
+ *    longest tree branch.  Each link between an account and its
+ *    (non-null) children counts as one unit of length.
  */
+int     xaccGetNumAccounts (AccountGroup *grp);
 int     xaccGroupGetNumAccounts (AccountGroup *grp);
+int     xaccGroupGetDepth (AccountGroup *grp);
 
 /* 
  * The xaccGetAccountFromID() subroutine fetches the account
@@ -143,4 +146,18 @@ void xaccConsolidateGrpTransactions (AccountGroup *);
 Account * xaccGroupGetAccount (AccountGroup *, int);
 double    xaccGroupGetBalance (AccountGroup *);
 
+/*
+ * The xaccGroupAutoCode() method will traverse the group, automatically
+ *    inserting account codes into those accounts whose account codes 
+ *    are blank.  It uses the algorithm used in xaccAccountAutoCode()
+ *    to pick an account code.
+ *
+ * The xaccGroupDepthAutoCode() first measures teh depth of the account
+ *    tree, and uses that depth to pck the number of digits in the account
+ *    code.
+ */
+
+void xaccGroupAutoCode (AccountGroup *grp, int num_digits);
+void xaccGroupDepthAutoCode (AccountGroup *grp);
+
 #endif /* __XACC_ACCOUNT_GROUP_H__ */