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author | William Xu <william.xwl@gmail.com> | 2008-06-17 14:43:45 +0900 |
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committer | William Xu <william.xwl@gmail.com> | 2008-06-17 14:43:45 +0900 |
commit | 67f5263943276faee0de53d947b6191205ae7a43 (patch) | |
tree | 0e67fe4722894a3d4dc9806fc506617c8a0c8a7d /emms-playlist-sort.el | |
parent | 964d7c3b354b66d0fba6f4eb7c2e058c2bfe2d59 (diff) |
*.el -> lisp/*.el: Move lisp files into "lisp/" subdirectory.
Diffstat (limited to 'emms-playlist-sort.el')
-rw-r--r-- | emms-playlist-sort.el | 204 |
1 files changed, 0 insertions, 204 deletions
diff --git a/emms-playlist-sort.el b/emms-playlist-sort.el deleted file mode 100644 index 3916c74..0000000 --- a/emms-playlist-sort.el +++ /dev/null @@ -1,204 +0,0 @@ -;;; emms-playlist-sort.el --- sort emms playlist - -;; Copyright (C) 2005, 2006, 2007, 2008 Free Software Foundation, Inc. - -;; Author: William Xu <william.xwl@gmail.com> - -;; This file is part of EMMS. - -;; EMMS is free software; you can redistribute it and/or modify -;; it under the terms of the GNU General Public License as published by -;; the Free Software Foundation; either version 3, or (at your option) -;; any later version. -;; -;; EMMS is distributed in the hope that it will be useful, -;; but WITHOUT ANY WARRANTY; without even the implied warranty of -;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -;; GNU General Public License for more details. -;; -;; You should have received a copy of the GNU General Public License -;; along with EMMS; if not, write to the Free Software Foundation, -;; Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. - -;;; Code: - -(eval-when-compile (require 'cl)) -(require 'emms-last-played) -(require 'emms-playlist-mode) - -;;; User Customizations - -(defgroup emms-playlist-sort nil - "Sorting Emacs Multimedia System playlists." - :prefix "emms-playlist-sort-" - :group 'emms) - -(defcustom emms-playlist-sort-list '(info-artist info-album) - "Sorting list used by `emms-playlist-sort-by-list'. -Currently it understands the following fields: name info-artist -imfo-composer info-performer info-title info-album info-genre -info-playing-time info-tracknumber." - :type 'symbol - :group 'emms-playlist-sort) - -(defcustom emms-playlist-sort-prefix "S" - "Prefix key sequence for `emms-playlist-sort-map'. -Remember to call `emms-playlist-sort-map-setup' if you modify it." - :type 'string - :group 'emms-playlist-sort) - - -;;; User Interfaces - -(defmacro define-emms-playlist-sort (attribute) - "Macro for defining emms playlist sort functions on strings ." - `(defun ,(intern (format "emms-playlist-sort-by-%s" attribute)) () - ,(format "Sort emms playlist by %s, increasingly. -With a prefix argument, decreasingly." attribute) - (interactive) - (emms-playlist-sort - (lambda (a b) - (if current-prefix-arg - (emms-string> (emms-track-get a (quote ,attribute)) - (emms-track-get b (quote ,attribute))) - (emms-string< (emms-track-get a (quote ,attribute)) - (emms-track-get b (quote ,attribute)))))))) - -(define-emms-playlist-sort name) -(define-emms-playlist-sort info-artist) -(define-emms-playlist-sort info-composer) -(define-emms-playlist-sort info-performer) -(define-emms-playlist-sort info-title) -(define-emms-playlist-sort info-album) -(define-emms-playlist-sort info-year) -(define-emms-playlist-sort info-note) - -(defun emms-playlist-sort-by-natural-order () - "Sort emms playlist by natural order. -See `emms-sort-natural-order-less-p'." - (interactive) - (emms-playlist-sort 'emms-sort-natural-order-less-p)) - -(defun emms-playlist-sort-by-list () - "Sort emms playlist by `emms-playlist-sort-list'. -The sort will be carried out until comparsion succeeds, increasingly." - (interactive) - (emms-playlist-sort 'emms-playlist-sort-by-list-p)) - -(defun emms-playlist-sort-by-last-played () - "Sort emms playlist by last played time, increasingly. -With a prefix argument, decreasingly." - (interactive) - (emms-playlist-sort - '(lambda (a b) - (let ((ret (time-less-p - (or (emms-track-get a 'last-played) '(0 0 0)) - (or (emms-track-get b 'last-played) '(0 0 0))))) - (if current-prefix-arg - (not ret) - ret))))) - -(defun emms-playlist-sort-by-play-count () - "Sort emms playlist by play-count, increasingly. -With a prefix argument, decreasingly." - (interactive) - (emms-playlist-sort - '(lambda (a b) - (let ((ret (< (or (emms-track-get a 'play-count) 0) - (or (emms-track-get b 'play-count) 0)))) - (if current-prefix-arg - (not ret) - ret))))) - -(defvar emms-playlist-sort-map nil) - -(defun emms-playlist-sort-map-setup () - "Setup sort map with latest `emms-playlist-sort-prefix'." - (setq emms-playlist-sort-map - (let ((map (make-sparse-keymap))) - (define-key map (kbd "n") 'emms-playlist-sort-by-natural-order) - (define-key map (kbd "a") 'emms-playlist-sort-by-info-artist) - (define-key map (kbd "c") 'emms-playlist-sort-by-play-count) - (define-key map (kbd "b") 'emms-playlist-sort-by-info-album) - (define-key map (kbd "l") 'emms-playlist-sort-by-last-played) - (define-key map (kbd "t") 'emms-playlist-sort-by-info-title) - - (define-key map (kbd "p") 'emms-playlist-sort-by-info-performer) - (define-key map (kbd "y") 'emms-playlist-sort-by-info-year) - (define-key map (kbd "o") 'emms-playlist-sort-by-info-note) - (define-key map (kbd "C") 'emms-playlist-sort-by-info-composer) - (define-key map (kbd "L") 'emms-playlist-sort-by-list) - (define-key map (kbd "N") 'emms-playlist-sort-by-name) - map)) - - (define-key emms-playlist-mode-map - emms-playlist-sort-prefix emms-playlist-sort-map)) - -(setq emms-playlist-sort-map (emms-playlist-sort-map-setup)) - - -;;; Low Level Functions - -(defun emms-playlist-sort (predicate) - "Sort the playlist buffer by PREDICATE." - (with-current-emms-playlist - (emms-playlist-ensure-playlist-buffer) - (let ((current (emms-playlist-selected-track)) - (tracks (nreverse - (emms-playlist-tracks-in-region - (point-min) (point-max))))) - (delete-region (point-min) (point-max)) - (run-hooks 'emms-playlist-cleared-hook) - (mapc 'emms-playlist-insert-track (sort tracks predicate)) - (let ((pos (text-property-any - (point-min) (point-max) 'emms-track current))) - (if pos - (emms-playlist-select pos) - (emms-playlist-first)) - ;; (emms-playlist-mode-center-current) - (goto-char (point-min)) - )))) - -(defun emms-sort-natural-order-less-p (a b) - "Sort two tracks by natural order. -This is the order in which albums where intended to be played. -ie. by album name and then by track number." - (let ((album-a (emms-track-get a 'info-album)) - (album-b (emms-track-get b 'info-album))) - (or (emms-string< album-a album-b) - (and album-a - album-b - (string= album-a album-b) - (< (string-to-number (or (emms-track-get a 'info-tracknumber) - "0")) - (string-to-number (or (emms-track-get b 'info-tracknumber) - "0"))))))) - -(defun emms-playlist-sort-by-list-p (a b) - (catch 'return - (dolist (info emms-playlist-sort-list) - (case info - ((name info-artist info-composer info-performer info-title info-album info-genre) - (when (emms-string< (emms-track-get a info) - (emms-track-get b info)) - (throw 'return t))) - ((info-playing-time) - (when (< (emms-track-get a info) - (emms-track-get b info)) - (throw 'return t))) - ((info-tracknumber) - (when (< (string-to-number (or (emms-track-get a info) "0")) - (string-to-number (or (emms-track-get b info) "0"))) - (throw 'return t))))))) - -(defun emms-string< (s1 s2) - (string< (downcase (or s1 "")) (downcase (or s2 "")))) - -(defun emms-string> (s1 s2) - (let ((a (downcase (or s1 ""))) - (b (downcase (or s2 "")))) - (not (or (string= a b) (string< a b))))) - -(provide 'emms-playlist-sort) - -;;; emms-playlist-sort.el ends here |