>> Dima Kogan <li...@dima.secretsauce.net> writes: >> >> > Suppose I have this .org file: >> > >> > | | >> > #+TBLFM: @1$2=5 >> > >> > It's a 1x1 table with a formula. The formula sets a cell that's out of >> > bounds in the table, so evaluating this formula results in an error. >> > How set-in-stone is this behavior? I haven't dug too deeply into the >> > code, but are there fundamental assumptions here? Would a patch that >> > extends the table before applying such a formula be too naive in some >> way? > > Subhan Michael Tindall <subh...@familycareinc.org> writes: > > I would include a customization variable to control this behavior, defaulting > to whatever the current behavior is: > IE: > (setq org-calc-extend-file nil) default system behavior > (setq org-calc-extend-file t) always silently extend rows > (setq org-calc-extend-file "warn") issue warning in message buffer that line > was extended > (setq org-calc-extend-file "prompt") prompt user y/n on whether or not to > extend column
OK. Patch attached.
>From 3b6581c647cb87f0d3e8cee94ce2fb1fb122d3fd Mon Sep 17 00:00:00 2001 From: Dima Kogan <d...@secretsauce.net> Date: Tue, 30 Sep 2014 22:36:21 -0700 Subject: [PATCH] Field formulas can now add columns as needed The org-table-formula-make-new-cols customization controls whether and how this is done --- lisp/org-table.el | 27 ++++++++++++++++++++++++++- 1 file changed, 26 insertions(+), 1 deletion(-) diff --git a/lisp/org-table.el b/lisp/org-table.el index 7607ead..f2933ed 100644 --- a/lisp/org-table.el +++ b/lisp/org-table.el @@ -354,6 +354,16 @@ portability of tables." (const :tag "Stick to hline" nil) (const :tag "Error on attempt to cross" error))) +(defcustom org-table-formula-make-new-cols nil + "Non-nil means that evaluation of a field formula can add new +columns if an out-of-bounds field is being set." + :group 'org-table-calculation + :type '(choice + (const :tag "Setting an out-of-bounds field generates an error (default)" nil) + (const :tag "Setting an out-of-bounds field silently adds columns as needed" t) + (const :tag "Setting an out-of-bounds field adds columns as needed, but issues a warning message" warn) + (const :tag "When setting an out-of-bounds field, the user is prompted" prompt))) + (defgroup org-table-import-export nil "Options concerning table import and export in Org-mode." :tag "Org Table Import Export" @@ -3125,7 +3135,22 @@ known that the table will be realigned a little later anyway." (while (setq eq (pop eqlname1)) (message "Re-applying formula to field: %s" (car eq)) (org-goto-line (nth 1 eq)) - (org-table-goto-column (nth 2 eq)) + (let* ((column-target (nth 2 eq)) + (column-count (progn (end-of-line) + (1- (org-table-current-column)))) + (create-new-column + (and (> column-target column-count) + (or (eq org-table-formula-make-new-cols t) + (and + (eq org-table-formula-make-new-cols 'warn) + (progn + (org-display-warning "Out-of-bounds formula added columns") + t)) + (and + (eq org-table-formula-make-new-cols 'prompt) + (yes-or-no-p "Out-of-bounds formula. Add columns?")))))) + (org-table-goto-column column-target nil create-new-column)) + (org-table-eval-formula nil (nth 3 eq) 'noalign 'nocst 'nostore 'noanalysis)) -- 2.0.0