branch: elpa/helm
commit 57c964e61a5f67d295cbccdfd6b7e26be2a22c3e
Author: Thierry Volpiatto <thie...@posteo.net>
Commit: Thierry Volpiatto <thie...@posteo.net>
Add a mode to edit large vars in buffer
---
helm-elisp.el | 21 ++++++++++++---------
helm-lib.el | 50 ++++++++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 62 insertions(+), 9 deletions(-)
diff --git a/helm-elisp.el b/helm-elisp.el
index 0b6a03049a..a55fa46024 100644
--- a/helm-elisp.el
+++ b/helm-elisp.el
@@ -929,15 +929,18 @@ a string, i.e. the `symbol-name' of any existing symbol."
(defun helm-set-variable (var)
"Set VAR value interactively."
- (let* ((sym (helm-symbolify var))
- (val (default-value sym)))
- (set-default sym (eval-minibuffer
- (format "Set `%s': " var)
- (if (or (stringp val)
- (memq val '(nil t))
- (numberp val))
- (prin1-to-string val)
- (format "'%s" (prin1-to-string val)))))))
+ (let* ((sym (helm-symbolify var))
+ (val (default-value sym))
+ (strv (prin1-to-string val)))
+ (if (> (length strv) 25)
+ (helm-edit-variable var)
+ (set-default sym (eval-minibuffer
+ (format "Set `%s': " var)
+ (if (or (stringp val)
+ (memq val '(nil t))
+ (numberp val))
+ strv
+ (format "'%s" strv)))))))
;;; Elisp Timers.
diff --git a/helm-lib.el b/helm-lib.el
index 7970a5c72b..1b1f7f1e88 100644
--- a/helm-lib.el
+++ b/helm-lib.el
@@ -1308,6 +1308,56 @@ using LOAD-PATH."
(when place
(switch-to-buffer (car place)) (goto-char (cdr place))))))
+(defvar helm-edit-variable-mode-map
+ (let ((map (make-sparse-keymap)))
+ (define-key map (kbd "C-c C-c") 'helm-set-variable-from-pp-buffer)
+ (define-key map (kbd "C-c C-k") 'helm-edit-variable-quit)
+ map))
+
+(define-derived-mode helm-edit-variable-mode
+ emacs-lisp-mode "helm-edit-variable"
+ "A mode to edit variables values.
+
+Special commands:
+\\{helm-edit-variable-mode-map}")
+
+(defvar helm-pretty-print-buffer-name "*pretty print output*")
+(defvar helm-pretty-print-current-symbol nil)
+(defun helm-edit-variable (var)
+ (let* ((sym (intern-soft var))
+ (val (symbol-value sym)))
+ (prog1
+ (pp-display-expression val helm-pretty-print-buffer-name)
+ (with-current-buffer helm-pretty-print-buffer-name
+ (erase-buffer)
+ (helm-edit-variable-mode)
+ (goto-char (point-min))
+ (insert (format ";;; Edit variable `%s' and hit C-c C-c when done\n"
sym)
+ ";;; Abort with C-c C-k\n\n")
+ (set (make-local-variable 'helm-pretty-print-current-symbol) sym)))))
+
+(defun helm-set-variable-from-pp-buffer ()
+ (interactive)
+ (with-current-buffer helm-pretty-print-buffer-name
+ (goto-char (point-min))
+ (forward-line 3)
+ (let ((val (symbol-value helm-pretty-print-current-symbol)))
+ (save-excursion
+ (if (or (stringp val)
+ (memq val '(nil t))
+ (numberp val))
+ (set helm-pretty-print-current-symbol (read (current-buffer)))
+ (set helm-pretty-print-current-symbol `(,@(read (current-buffer))))))
+ (if (equal val (symbol-value helm-pretty-print-current-symbol))
+ (message "No changes done")
+ (message "`%s' value modified" helm-pretty-print-current-symbol))
+ (quit-window t))))
+
+(defun helm-edit-variable-quit ()
+ "Quit edit variable buffer."
+ (interactive)
+ (quit-window t))
+
(defun helm-find-face-definition (face)
"Try to jump to FACE definition.
With a prefix arg ask for the project directory to search in instead of
