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(require 'dired-x)
(put 'dired-find-alternate-file 'disabled nil)
;; .git is present as part of `dired-omit-extensions', but this seems to
;; only be taken into account if a non-exension part exists.
(setq dired-omit-files
(concat dired-omit-files
"\\|^\\.git$\\|^\\.gitignore$"
"\\|^__pycache__$\\|^\\.snakemake$"))
(defvar km/latex-omit-extensions '(".aux"
".fdb_latexmk"
".fls"
".log"
".nav"
".out"
".snm")
"Intermediate LaTeX files")
(setq dired-omit-extensions
(append dired-omit-extensions km/latex-omit-extensions))
(setq-default dired-omit-mode t)
(setq dired-dwim-target t
dired-listing-switches "-alh")
(setq dired-guess-shell-alist-user
'(("\\.pdf\\'" "zathura")))
(setq dired-recursive-copies t
dired-recursive-deletes t)
(add-hook 'dired-mode-hook 'dired-hide-details-mode)
(defun km/dired-switch-to-buffer ()
(interactive)
(switch-to-buffer (km/dired-completing-buffer)))
(defun km/dired-switch-to-buffer-other-window ()
(interactive)
(pop-to-buffer (km/dired-completing-buffer)))
(defun km/dired-completing-buffer ()
(ido-completing-read "Dired buffer: "
(-map 'buffer-name (km/dired-buffer-list))))
(defun km/dired-buffer-list ()
(--filter (with-current-buffer it
(derived-mode-p 'dired-mode))
(buffer-list)))
(defun km/org-open-dired-marked-files (&optional in-emacs)
(interactive "P")
(let* ((files (dired-get-marked-files))
(num-files (length files)))
(when (or (< num-files 5)
(yes-or-no-p (format "Open %s files?" num-files)))
(--each files (org-open-file it in-emacs)))))
(defun km/dired-view-file-other-window ()
"In Dired, view this file in another window."
(interactive)
(view-file-other-window (dired-get-file-for-visit)))
(define-key dired-mode-map (kbd "C-c C-b") 'dired-up-directory)
;; This overrides the binding for `list-directory'.
(global-set-key (kbd "C-x C-d") 'km/dired-switch-to-buffer)
;; This overrides `dired-do-run-mail'.
(define-key dired-mode-map "V" 'km/dired-view-file-other-window)
(define-key ctl-x-4-map "D" 'km/dired-switch-to-buffer-other-window)
(define-prefix-command 'km/dired-prefix-map)
(define-key dired-mode-map (kbd "C-c m") 'km/dired-prefix-map)
(after 'org
;; This overrides `dired-find-file', which is also bound to "f".
(define-key dired-mode-map "e" 'km/org-open-dired-marked-files))
;;; Dired Narrow
(define-key dired-mode-map "/" 'dired-narrow)
(define-prefix-command 'km/dired-narrow-prefix-map)
(define-key km/dired-prefix-map "n" 'km/dired-narrow-prefix-map)
(define-key km/dired-narrow-prefix-map "f" 'dired-narrow-fuzzy)
(define-key km/dired-narrow-prefix-map "n" 'dired-narrow)
(define-key km/dired-narrow-prefix-map "r" 'dired-narrow-regexp)
;;; Dired Subtree
(define-prefix-command 'km/dired-subtree-prefix-map)
(define-key km/dired-prefix-map "s" 'km/dired-subtree-prefix-map)
(define-key km/dired-subtree-prefix-map "@" 'dired-subtree-mark-subtree)
(define-key km/dired-subtree-prefix-map "." 'dired-subtree-unmark-subtree)
(define-key km/dired-subtree-prefix-map "<" 'dired-subtree-beginning)
(define-key km/dired-subtree-prefix-map ">" 'dired-subtree-end)
(define-key km/dired-subtree-prefix-map "g" 'dired-subtree-revert)
(define-key km/dired-subtree-prefix-map "d" 'dired-subtree-down)
(define-key km/dired-subtree-prefix-map "i" 'dired-subtree-insert)
(define-key km/dired-subtree-prefix-map "n" 'dired-subtree-next-sibling)
(define-key km/dired-subtree-prefix-map "p" 'dired-subtree-previous-sibling)
(define-key km/dired-subtree-prefix-map "r" 'dired-subtree-remove)
(define-key km/dired-subtree-prefix-map "s" 'dired-subtree-narrow)
(define-key km/dired-subtree-prefix-map "u" 'dired-subtree-up)
;;; Copying file names
(defun km/dired-copy-project-filename-as-kill ()
"Copy names of marked project files into kill ring.
This is similar to `dired-copy-filename-as-kill', but the leading
path is always relative to `projectile-project-root'."
(interactive)
(km/dired-copy-filename-relative-to-directory
(projectile-project-root)))
(defun km/dired-copy-relative-filename-as-kill ()
"Copy names of marked files into kill ring.
This is similar to `dired-copy-filename-as-kill', but the leading
path is always relative to the `default-directory' of the other
window."
(interactive)
(km/dired-copy-filename-relative-to-directory
(km/other-default-directory)))
(defun km/dired-copy-filename-relative-to-directory (directory)
"Like `dired-copy-filename-as-kill', but the filename is always
relative to DIRECTORY."
(let* ((string
(mapconcat 'identity
(--map (file-relative-name it directory)
(dired-get-marked-files t))
" ")))
(if (eq last-command 'kill-region)
(kill-append string nil)
(kill-new string))
(message "%s" string)))
(defun km/other-default-directory ()
"Get `default-directory' for result of `(other-window 1)'."
(save-window-excursion
(other-window 1)
default-directory))
(define-prefix-command 'km/dired-copy-filename-map)
;; This overrides the default binding for `dired-copy-filename-as-kill'.
(define-key dired-mode-map "w" 'km/dired-copy-filename-map)
(after 'projectile
(define-key km/dired-copy-filename-map "p"
'km/dired-copy-project-filename-as-kill))
(define-key km/dired-copy-filename-map "o" 'km/dired-copy-relative-filename-as-kill)
(define-key km/dired-copy-filename-map "w" 'dired-copy-filename-as-kill)
(provide 'init-dired)
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