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(dired-dnd-handle-local-file): Obey dired-backup-overwrite for copy,

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move, and link operations.
This commit is contained in:
Chong Yidong 2008-04-06 20:58:20 +00:00
parent 361be7c303
commit 93ab4de3e9
1 changed files with 38 additions and 47 deletions
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85
lisp/dired.el
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@ -3281,55 +3281,46 @@ URI is the file to handle, ACTION is one of copy, move, link or ask.
Ask means pop up a menu for the user to select one of copy, move or link."
(require 'dired-aux)
(let* ((from (dnd-get-local-file-name uri t))
(to (if from (concat (dired-current-directory)
(file-name-nondirectory from))
nil)))
(to (when from
(concat (dired-current-directory)
(file-name-nondirectory from)))))
(when from
(cond ((or (eq action 'copy)
(eq action 'private)) ; Treat private as copy.
;; If copying a directory and dired-recursive-copies is nil,
;; dired-copy-file silently fails. Pop up a notice.
(cond ((and (file-directory-p from)
(not dired-recursive-copies))
(dired-dnd-popup-notice))
((file-exists-p to)
(let ((overwrite
(y-or-n-p (format "Overwrite existing file `%s'? " to)))
;; We avoid dired-handle-overwrite and use
;; y-or-n-p, which pops a graphical menu.
dired-overwrite-confirmed backup-file)
(when (and overwrite
;; silence compiler
(boundp 'dired-backup-overwrite)
dired-backup-overwrite
(setq backup-file
(car (find-backup-file-name to)))
(or (eq dired-backup-overwrite 'always)
(y-or-n-p
(format
"Make backup for existing file `%s'? " to))))
(rename-file to backup-file 0)
(dired-relist-entry backup-file))
(dired-copy-file from to overwrite)))
(t
(let (dired-overwrite-confirmed)
(dired-copy-file from to nil))))
(dired-relist-entry to)
action)
((eq action 'move)
(dired-rename-file from to 1)
(dired-relist-entry to)
action)
((eq action 'link)
(make-symbolic-link from to 1)
(dired-relist-entry to)
action)
((eq action 'ask)
(cond ((eq action 'ask)
(dired-dnd-do-ask-action uri))
(t nil)))))
;; If copying a directory and dired-recursive-copies is
;; nil, dired-copy-file fails. Pop up a notice.
((and (memq action '(copy private))
(file-directory-p from)
(not dired-recursive-copies))
(dired-dnd-popup-notice))
((memq action '(copy private move link))
(let ((overwrite (and (file-exists-p to)
(y-or-n-p
(format "Overwrite existing file `%s'? " to))))
;; Binding dired-overwrite-confirmed to nil makes
;; dired-handle-overwrite a no-op. We instead use
;; y-or-n-p, which pops a graphical menu.
dired-overwrite-confirmed backup-file)
(when (and overwrite
;; d-b-o is defined in dired-aux.
(boundp 'dired-backup-overwrite)
dired-backup-overwrite
(setq backup-file
(car (find-backup-file-name to)))
(or (eq dired-backup-overwrite 'always)
(y-or-n-p
(format
"Make backup for existing file `%s'? " to))))
(rename-file to backup-file 0)
(dired-relist-entry backup-file))
(cond ((memq action '(copy private))
(dired-copy-file from to overwrite))
((eq action 'move)
(dired-rename-file from to overwrite))
((eq action 'link)
(make-symbolic-link from to overwrite)))
(dired-relist-entry to)
action))))))
(defun dired-dnd-handle-file (uri action)
"Copy, move or link a file to the dired directory if it is a local file.