Created
July 21, 2010 03:03
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Move text (region or current line) up and down
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;; Move text (region or current line) up and down through a document. Reminiscent of | |
;; Eclipse Alt+up/down or NetBeans Alt+S+up/down. | |
(defun move-text-internal (arg) | |
(cond | |
((and mark-active transient-mark-mode) | |
(if (> (point) (mark)) | |
(exchange-point-and-mark)) | |
(let ((column (current-column)) | |
(text (delete-and-extract-region (point) (mark)))) | |
(forward-line arg) | |
(move-to-column column t) | |
(set-mark (point)) | |
(insert text) | |
(exchange-point-and-mark) | |
(setq deactivate-mark nil))) | |
(t | |
(let ((column (current-column))) | |
(beginning-of-line) | |
(when (or (> arg 0) (not (bobp))) | |
(forward-line) | |
(when (or (< arg 0) (not (eobp))) | |
(transpose-lines arg)) | |
(forward-line -1)) | |
(move-to-column column t))))) | |
(defun move-text-down (arg) | |
"Move region (transient-mark-mode active) or current line | |
arg lines down." | |
(interactive "*p") | |
(move-text-internal arg)) | |
(defun move-text-up (arg) | |
"Move region (transient-mark-mode active) or current line | |
arg lines up." | |
(interactive "*p") | |
(move-text-internal (- arg))) | |
(global-set-key [M-S-up] 'move-text-up) | |
(global-set-key [M-S-down] 'move-text-down) |
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