■http://anond.hatelabo.jp/20081018072817 の続きだよ

これでおしまいだよ

elisp

sangels.el

(require 'cl)				; for cl-seq

(defvar sangels-movies-dir nil)
(defvar sangels-player "c:/Program Files/GRETECH/GomPlayer/GOM.exe")
(defvar sangels-sort-by 'sangels-sort-by-rate)
(defvar sangels-rate-file "~/.emacs.d/.sangels/rate")
(defvar sangels-buffer "*sangels*")
(defvar sangels-thumbnail "00_thumbnail.jpg")
(defvar sangels-m3u "00_movies.m3u")
(defface sangels-name '((t (:family "fixed" :weight bold :height 3.0)))
  "")
(defface sangels-rate '((t (:family "fixed" :weight bold :height 1.5)))
  "")
(defvar sangels-mode-map
  (let ((map (make-sparse-keymap)))
    (define-key map "n" 'next-line)
    (define-key map "p" 'previous-line)
    (define-key map (kbd "RET") 'sangels-select)
    (define-key map (kbd "SPC") 'sangels-select)
    (define-key map "q" 'sangels-quit)
    (define-key map "+" 'sangels-rate-plus)
    (define-key map "-" 'sangels-rate-minus)
    map))
(defvar sangels-mode-hook nil)
(defvar sangels-highlight-overlay nil)
(defvar sangels-rate-alist nil)

(defconst sangels-rate-max 6)

(defun sangels-insert-movies ()
  (save-excursion
    (let* ((inhibit-read-only t)
           (files (remove-if-not
                   (lambda (x)
                     (and (not (member (file-name-nondirectory x) '("." "..")))
                          (file-directory-p x)
                          (member sangels-thumbnail (directory-files x))))
                   (directory-files sangels-movies-dir t)))
           (ids (mapcar 'file-name-nondirectory files)))
      (erase-buffer)
      (setq ids (sangels-sort-ids ids))
      (dolist (id ids)
        (let ((file (expand-file-name id sangels-movies-dir))
              (pos (point)))
          (insert-image-file (expand-file-name sangels-thumbnail file))
          (end-of-line)
          (insert (propertize (format "%-15s " id)
                              'face 'sangels-name))
          (sangels-insert-rate id)
          (insert "\n")
          (put-text-property pos (point) 'sangels-id id))))))

(defun sangels-sort-by-name (a b)
  (string< a b))

(defun sangels-sort-by-rate (a b)
  (or (> (sangels-rate a) (sangels-rate b))
      (sangels-sort-by-name a b)))

(defun sangels-sort-ids (ids)
  (sort ids
        (or sangels-sort-by
            'sangels-sort-by-name)))
(defun sangels-insert-rate (id)
  (let ((rate (sangels-rate id)))
    (insert (propertize (concat
                         (make-string rate ?★)
                         (make-string (- sangels-rate-max rate) ?☆))
                        'sangels-rate t
                        'face 'sangels-rate))))

(defun sangels-current-id ()
  (get-text-property (point) 'sangels-id))

(defun sangels-play-movie (movie)
  (let ((explicit-shell-file-name "cmdproxy")
        (shell-file-name "cmdproxy"))
    (apply
     'call-process-shell-command
     "start" nil "*tmp*" nil
     (mapcar (lambda (x) (concat "\"" x "\""))
             (list sangels-player
                   (unix-to-dos-filename movie))))))

(defun sangels-select ()
  (interactive)
  (let ((id (sangels-current-id)))
    (when id
      (sangels-play-movie (expand-file-name
                           sangels-m3u
                           (expand-file-name id sangels-movies-dir))))))

(defun sangels-quit ()
  (interactive)
  (kill-buffer sangels-buffer))

(defun sangels-rate (id)
  (or (cdr (assoc id sangels-rate-alist)) (/ sangels-rate-max 2)))

(defun sangels-rate-save ()
  (interactive)
  (let ((dir (file-name-directory sangels-rate-file)))
    (unless (file-exists-p dir)
      (make-directory dir t)))
  (with-temp-file sangels-rate-file
    (insert (pp-to-string sangels-rate-alist))))

(defun sangels-rate-load ()
  (interactive)
  (when (file-exists-p sangels-rate-file)
    (with-temp-buffer
      (insert-file-contents sangels-rate-file)
      (goto-char (point-min))
      (setq sangels-rate-alist (read (current-buffer))))))

(defun sangels-rate-plus (&amp;optional n)
  (interactive "p")
  (setq n (or n 1))
  (let* ((id (sangels-current-id))
         (cell (assoc id sangels-rate-alist)))
    (unless cell
      (setq cell (cons id (sangels-rate id)))
      (setq sangels-rate-alist (cons cell sangels-rate-alist)))
    (setcdr cell (+ (cdr cell) n))
    (save-excursion
      (let ((inhibit-read-only t))
        (beginning-of-line)
        (goto-char (next-single-property-change (point) 'sangels-rate))
        (delete-region (point)
                       (next-single-property-change (point) 'sangels-rate))
        (sangels-insert-rate id)))
    (sangels-rate-save)))

(defun sangels-rate-minus (&amp;optional n)
  (interactive "p")
  (setq n (or n -1))
  (sangels-rate-plus (- n)))

(defun sangels-post-command-hook ()
  (save-excursion
    (move-overlay
     sangels-highlight-overlay
     (progn
       (move-beginning-of-line 1)
       (point))
     (progn
       (move-end-of-line 1)
       (forward-line)
       (point))
     (current-buffer))))

(defun sangels-mode ()
  (interactive)
  (kill-all-local-variables)
  (use-local-map sangels-mode-map)
  (setq sangels-highlight-overlay (make-overlay 0 0))
  (overlay-put sangels-highlight-overlay 'face 'highlight)
  (overlay-put sangels-highlight-overlay 'evaporate t)
  (make-local-variable 'post-command-hook)
  (add-hook 'post-command-hook 'sangels-post-command-hook nil t)
  (setq major-mode 'sangels-mode)
  (setq mode-name "Sangels")
  (run-mode-hooks 'sangels-mode-hook)
  (set-buffer-modified-p nil)
  (setq buffer-read-only t))

(defun sangels (&amp;optional arg)
  (interactive "P")
  (when (or arg (not sangels-movies-dir))
    (setq sangels-movies-dir (read-directory-name "movies dir: ")))
  (sangels-rate-load)
  (switch-to-buffer (get-buffer-create sangels-buffer))
  (sangels-insert-movies)
  (sangels-mode))

(provide 'sangels)

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