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org-colview: Do not compute values swapping columns

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* lisp/org-colview.el (org-columns-move-right): Do not compute values
  swapping columns.  Comment about a corner case.

* testing/lisp/test-org-colview.el (test-org-colview/columns-move-left):
(test-org-colview/columns-move-right): New tests.
This commit is contained in:
Nicolas Goaziou 2016-02-23 15:26:57 +01:00
parent 14d81d38e0
commit acef7d8a43
2 changed files with 123 additions and 1 deletions
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11
lisp/org-colview.el
View file

@ -896,7 +896,16 @@ When COLUMNS-FMT-STRING is non-nil, use it as the column format."
(setcar cell (car (cdr cell)))
(setcdr cell (cons e (cdr (cdr cell))))
(org-columns-store-format)
(org-columns-redo)
;; Do not compute again properties, since we're just moving
;; columns around. It can put a property value a bit off when
;; switching between an non-computed and a computed value for the
;; same property, e.g. from "%A %A{+}" to "%A{+} %A".
;;
;; In this case, the value needs to be updated since the first
;; column related to a property determines how its value is
;; computed. However, (correctly) updating the value could be
;; surprising, so we leave it as-is nonetheless.
(let ((org-columns-inhibit-recalculation t)) (org-columns-redo))
(forward-char 1)))
(defun org-columns-move-left ()

113
testing/lisp/test-org-colview.el
View file

@ -846,6 +846,119 @@
(list (get-char-property 1 'org-columns-value-modified)
(get-char-property 2 'org-columns-value-modified))))))
(ert-deftest test-org-colview/columns-move-left ()
"Test `org-columns-move-left' specifications."
;; Error when trying to move the left-most column.
(should-error
(org-test-with-temp-text "* H"
(let ((org-columns-default-format "%ITEM")) (org-columns))
(org-columns-move-left)))
;; Otherwise, move column to left and update display.
(should
(equal '("2" "1")
(org-test-with-temp-text "* H\n:PROPERTIES:\n:A: 1\n:B: 2\n:END:"
(let ((org-columns-default-format "%A %B")) (org-columns))
(forward-char)
(org-columns-move-left)
(list (get-char-property (point) 'org-columns-value)
(get-char-property (1+ (point)) 'org-columns-value)))))
;; Handle multiple columns with the same property.
(should
(equal '("2" "1")
(org-test-with-temp-text
"* H
** S1
:PROPERTIES:
:A: 1
:END:
** S1
:PROPERTIES:
:A: 2
:END:"
(let ((org-columns-default-format "%ITEM %A{min} %A{max}"))
(org-columns))
(forward-char 2)
(org-columns-move-left)
(list (get-char-property (point) 'org-columns-value)
(get-char-property (1+ (point)) 'org-columns-value)))))
;; Special case: do not update values even if move entails changing
;; them.
(should
(equal "1"
(org-test-with-temp-text
"* H
:PROPERTIES:
:A: 1
:END:
** S1
:PROPERTIES:
:A: 99
:END:"
(let ((org-columns-default-format "%A %A{max}"))
(org-columns))
(forward-char)
(org-columns-move-left)
;; Since the first column matching a given property
;; determines how a value is computed, the following
;; should return "99" instead. However, this behavior is
;; in practice surprising so we just ignore the value
;; change. It can be computed later.
(org-entry-get (point) "A")))))
(ert-deftest test-org-colview/columns-move-right ()
"Test `org-columns-move-right' specifications."
;; Error when trying to move the right-most column.
(should-error
(org-test-with-temp-text "* H"
(let ((org-columns-default-format "%ITEM")) (org-columns))
(org-columns-move-right)))
;; Otherwise, move column to left and update display.
(should
(equal '("2" "1")
(org-test-with-temp-text "* H\n:PROPERTIES:\n:A: 1\n:B: 2\n:END:"
(let ((org-columns-default-format "%A %B")) (org-columns))
(org-columns-move-right)
(list (get-char-property (1- (point)) 'org-columns-value)
(get-char-property (point) 'org-columns-value)))))
;; Handle multiple columns with the same property.
(should
(equal '("2" "1")
(org-test-with-temp-text
"* H
** S1
:PROPERTIES:
:A: 1
:END:
** S1
:PROPERTIES:
:A: 2
:END:"
(let ((org-columns-default-format "%ITEM %A{min} %A{max}"))
(org-columns))
(forward-char)
(org-columns-move-right)
(list (get-char-property (1- (point)) 'org-columns-value)
(get-char-property (point) 'org-columns-value)))))
;; Special case: do not update values even if move entails changing
;; them.
(should
(equal "1"
(org-test-with-temp-text
"* H
:PROPERTIES:
:A: 1
:END:
** S1
:PROPERTIES:
:A: 99
:END:"
(let ((org-columns-default-format "%A %A{max}"))
(org-columns))
(org-columns-move-right)
;; See `test-org-colview/columns-move-left' for an
;; explanation.
(org-entry-get (point) "A")))))
;;; Dynamic block