;;; Code:
+(require 'font-lock)
+(require 'riece-options)
+(require 'riece-compat)
+(require 'riece-misc)
+
+(defgroup riece-addon-list nil
+ "Add-on management"
+ :tag "Addon"
+ :prefix "riece-"
+ :group 'riece)
+
+(defgroup riece-addon-list-faces nil
+ "Faces for riece-addon-list-mode"
+ :tag "Faces"
+ :prefix "riece-addon-list"
+ :group 'riece-addon)
+
+(defface riece-addon-list-enabled-face
+ '((((class color) (background dark))
+ (:foreground "PaleTurquoise" :bold t))
+ (t
+ (:bold t)))
+ "Face used for displaying the enabled addon."
+ :group 'riece-addon-list-faces)
+(defvar riece-addon-list-enabled-face 'riece-addon-list-enabled-face)
+
+(defface riece-addon-list-disabled-face
+ '((((class color) (background dark))
+ (:foreground "PaleTurquoise" :italic t))
+ (t
+ (:italic t)))
+ "Face used for displaying the disabled addon."
+ :group 'riece-addon-list-faces)
+(defvar riece-addon-list-disabled-face 'riece-addon-list-disabled-face)
+
+(defface riece-addon-list-unsupported-face
+ '((((class color) (background dark))
+ (:foreground "PaleTurquoise"))
+ (t
+ ()))
+ "Face used for displaying the unsupported addon."
+ :group 'riece-addon-list-faces)
+(defvar riece-addon-list-unsupported-face 'riece-addon-list-unsupported-face)
+
+(defface riece-addon-list-unknown-face
+ '((t
+ (:foreground "red")))
+ "Face used for displaying the unknown addon."
+ :group 'riece-addon-list-faces)
+(defvar riece-addon-list-unknown-face 'riece-addon-list-unknown-face)
+
+(defface riece-addon-list-description-face
+ '((((class color)
+ (background dark))
+ (:foreground "lightyellow"))
+ (((class color)
+ (background light))
+ (:foreground "blue4"))
+ (t
+ ()))
+ "Face used for displaying the description addon."
+ :group 'riece-addon-list-faces)
+(defvar riece-addon-list-description-face 'riece-addon-list-description-face)
+
+(defcustom riece-addon-list-mark-face-alist
+ '((?+ . riece-addon-list-enabled-face)
+ (?- . riece-addon-list-disabled-face)
+ (?! . riece-addon-list-unsupported-face)
+ (?? . riece-addon-list-unknown-face))
+ "An alist mapping marks on riece-addon-list-buffer to faces."
+ :type 'list
+ :group 'riece-addon-list)
+
+(defcustom riece-addon-list-font-lock-keywords
+ '(("^\\([-+!?] [^:]+\\): \\(.*\\)"
+ (1 (cdr (assq (aref (match-string 1) 0)
+ riece-addon-list-mark-face-alist)))
+ (2 riece-addon-list-description-face)))
+ "Default expressions to addon in riece-addon-list-mode."
+ :type '(repeat (list string))
+ :group 'riece-addon-list)
+
+(defvar riece-addon-list-mode-map
+ (let ((keymap (make-sparse-keymap)))
+ (define-key keymap "+" 'riece-command-enable-addon)
+ (define-key keymap "-" 'riece-command-disable-addon)
+ (define-key keymap "n" 'next-line)
+ (define-key keymap "p" 'previous-line)
+ (define-key keymap " " 'scroll-up)
+ (define-key keymap [delete] 'scroll-down)
+ (define-key keymap "q" 'bury-buffer)
+ keymap))
+
(defun riece-load-and-build-addon-dependencies (addons)
(let ((load-path (cons riece-addon-directory load-path))
dependencies)
(setq addons (cdr addons)))
dependencies))
-(defun riece-resolve-addons (addons)
+(defun riece-resolve-addon-dependencies (addons)
(let ((pointer addons)
dependencies queue)
;; Uniquify, first.
(error "Circular add-on dependency found"))
(nreverse addons)))
-(defun riece-insinuate-addon (addon)
+(defun riece-resolve-addons (addons)
+ (riece-resolve-addon-dependencies
+ (if (file-directory-p riece-addon-directory)
+ (append addons
+ (mapcar
+ (lambda (name)
+ (unless (file-directory-p
+ (expand-file-name name riece-addon-directory))
+ (intern (file-name-sans-extension name))))
+ (directory-files riece-addon-directory nil "\\`[^.]" t)))
+ addons)))
+
+(defun riece-insinuate-addon (addon &optional verbose)
(require addon) ;implicit dependency
(funcall (intern (concat (symbol-name addon) "-insinuate")))
- (if riece-debug
+ (if verbose
(message "Add-on %S is insinuated" addon)))
-(defun riece-enable-addon (addon)
+(defun riece-enable-addon (addon &optional verbose)
(let ((enabled (intern-soft (concat (symbol-name addon) "-enabled"))))
(if (null enabled)
- (if riece-debug
+ (if verbose
(message "Add-on %S doesn't support enable/disable" addon))
(if (symbol-value enabled)
- (if riece-debug
+ (if verbose
(message "Can't enable add-on %S" addon))
(funcall (intern (concat (symbol-name addon) "-enable")))
- (if riece-debug
+ (if verbose
(message "Add-on %S enabled" addon))))))
-(defun riece-disable-addon (addon)
+(defun riece-disable-addon (addon &optional verbose)
(let ((enabled (intern-soft (concat (symbol-name addon) "-enabled"))))
(if (null enabled)
- (if riece-debug
+ (if verbose
(message "Add-on %S doesn't support enable/disable" addon))
(if (symbol-value enabled)
(progn
- (funcall (intern (concat (symbol-name (car addons)) "-disable")))
- (if riece-debug
- (message "Add-on %S disabled" (car addons))))
- (if riece-debug
+ (funcall (intern (concat (symbol-name addon) "-disable")))
+ (if verbose
+ (message "Add-on %S disabled" addon)))
+ (if verbose
(message "Can't disable add-on %S" addon))))))
+(put 'riece-addon-list-mode 'font-lock-defaults
+ '(riece-addon-list-font-lock-keywords t))
+
+(defun riece-addon-list-mode ()
+ "Major mode for displaying addon list.
+All normal editing commands are turned off."
+ (kill-all-local-variables)
+ (buffer-disable-undo)
+ (setq major-mode 'riece-addon-list-mode
+ mode-name "AddOns"
+ mode-line-buffer-identification
+ (riece-mode-line-buffer-identification '("Riece: %12b"))
+ truncate-lines t
+ buffer-read-only t)
+ (use-local-map riece-addon-list-mode-map)
+ (make-local-variable 'font-lock-defaults)
+ (setq font-lock-defaults '(riece-addon-list-font-lock-keywords t))
+ ;; In XEmacs, auto-initialization of font-lock is not affective
+ ;; when buffer-file-name is not set.
+ (font-lock-set-defaults)
+ (run-hooks 'riece-addon-list-mode-hook))
+
+(defun riece-command-list-addons ()
+ (interactive)
+ (set-buffer (riece-get-buffer-create "*AddOns*" 'riece-addon-list-mode))
+ (riece-addon-list-mode)
+ (let ((inhibit-read-only t)
+ buffer-read-only
+ (pointer (sort (copy-sequence riece-addons)
+ (lambda (symbol1 symbol2)
+ (string-lessp (symbol-name symbol1)
+ (symbol-name symbol2)))))
+ enabled description point)
+ (erase-buffer)
+ (riece-kill-all-overlays)
+ (while pointer
+ (setq enabled (intern-soft (concat (symbol-name (car pointer))
+ "-enabled"))
+ description (intern-soft (concat (symbol-name (car pointer))
+ "-description")))
+ (setq point (point))
+ (insert (format "%c %S: %s\n"
+ (if (not (featurep (car pointer)))
+ ??
+ (if (null enabled)
+ ?!
+ (if (symbol-value enabled)
+ ?+
+ ?-)))
+ (car pointer)
+ (if description
+ (symbol-value description)
+ "(no description)")))
+ (put-text-property point (point) 'riece-addon (car pointer))
+ (setq pointer (cdr pointer)))
+ (insert "
+Symbols in the leftmost column:
+
+ + The add-on is enabled.
+ - The add-on is disabled.
+ ! The add-on doesn't support enable/disable operation.
+ ? The add-on status is unknown.
+")
+ (insert (substitute-command-keys "
+Useful keys:
+
+ `\\[riece-command-enable-addon]' to enable the current add-on.
+ `\\[riece-command-disable-addon]' to disable the current add-on.
+"))
+ (goto-char (point-min))
+ (pop-to-buffer (current-buffer))
+ (delete-other-windows)))
+
+(defun riece-command-enable-addon (addon)
+ (interactive
+ (list
+ (or (if (eq major-mode 'riece-addon-list-mode)
+ (get-text-property (point) 'riece-addon))
+ (intern-soft
+ (completing-read "Add-on: "
+ (mapcar (lambda (addon)
+ (list (symbol-name addon)))
+ riece-addons)
+ (lambda (pointer)
+ (let ((enabled
+ (intern-soft (concat (car pointer)
+ "-enabled"))))
+ (and enabled
+ (null (symbol-value enabled)))))
+ t)))))
+ (riece-enable-addon addon t)
+ (let ((enabled (intern-soft (concat (symbol-name addon) "-enabled"))))
+ (if (and (eq major-mode 'riece-addon-list-mode)
+ (get-text-property (point) 'riece-addon)
+ enabled (symbol-value enabled))
+ (save-excursion
+ (beginning-of-line)
+ (let ((point (point))
+ (inhibit-read-only t)
+ buffer-read-only)
+ (delete-char 1)
+ (insert "+")
+ (put-text-property point (point) 'riece-addon addon))))))
+
+(defun riece-command-disable-addon (addon)
+ (interactive
+ (list
+ (or (if (eq major-mode 'riece-addon-list-mode)
+ (get-text-property (point) 'riece-addon))
+ (intern-soft
+ (completing-read "Add-on: "
+ (mapcar (lambda (addon)
+ (list (symbol-name addon)))
+ riece-addons)
+ (lambda (pointer)
+ (let ((enabled
+ (intern-soft (concat (car pointer)
+ "-enabled"))))
+ (and enabled
+ (symbol-value enabled))))
+ t)))))
+ (riece-disable-addon addon t)
+ (let ((enabled (intern-soft (concat (symbol-name addon) "-enabled"))))
+ (if (and (eq major-mode 'riece-addon-list-mode)
+ (get-text-property (point) 'riece-addon)
+ enabled (null (symbol-value enabled)))
+ (save-excursion
+ (beginning-of-line)
+ (let ((point (point))
+ (inhibit-read-only t)
+ buffer-read-only)
+ (delete-char 1)
+ (insert "-")
+ (put-text-property point (point) 'riece-addon addon))))))
+
(provide 'riece-addon)
;;; riece-addon.el ends here