branch: elpa/typst-ts-mode
commit b4b644490981077160118af93733a4fab0146ece
Author: Huan Nguyen <nguyenthieuh...@gmail.com>
Commit: Huan Nguyen <nguyenthieuh...@gmail.com>
feat: Move heading and it contents down or up.
---
typst-ts-mode.el | 62 +++++++++++++++++++++++++++++++++++++++++++++++---------
1 file changed, 52 insertions(+), 10 deletions(-)
diff --git a/typst-ts-mode.el b/typst-ts-mode.el
index 3989302dd8..7f98386dfa 100644
--- a/typst-ts-mode.el
+++ b/typst-ts-mode.el
@@ -649,9 +649,46 @@ See `typst-ts-mode-heading--same-or-higher' for
TRAVERSE-FN."
(user-error "Could not find another heading"))))
(defun typst-ts-mode-heading-up ()
+ "Switch the current heading with the heading above."
(interactive)
(typst-ts-mode-meta--dwim 'up))
+(defun typst-ts-mode-heading-down ()
+ "Switch the current heading with the heading below."
+ (interactive)
+ (typst-ts-mode-meta--dwim 'down))
+
+(defun typst-ts-mode-heading--down (current-heading)
+ "Switch two heading of same level.
+CURRENT-HEADING and its content with above heading and its content."
+ (let* ((current-heading-start (treesit-node-start current-heading))
+ (other-heading
+ (typst-ts-mode-heading--find-same-level
+ current-heading
+ #'treesit-node-next-sibling))
+ (other-heading-start (treesit-node-start other-heading))
+ (other-heading-end (car (typst-ts-mode-heading--same-or-higher
+ other-heading
+ #'treesit-node-next-sibling)))
+ (current-heading-end (1- other-heading-start))
+ (current-heading-content (buffer-substring current-heading-start
+ current-heading-end))
+ (other-heading-content nil))
+ (setq other-heading-end (if other-heading-end
+ (1- (treesit-node-start other-heading-end))
+ (point-max)))
+ (setq other-heading-content
+ (buffer-substring other-heading-start
+ other-heading-end))
+ (save-excursion
+ (delete-region current-heading-start other-heading-end)
+ (goto-char current-heading-start)
+ (insert other-heading-content)
+ (unless (= ?\n (aref other-heading-content
+ (1- (length other-heading-content))))
+ (newline))
+ (insert current-heading-content))))
+
(defun typst-ts-mode-heading--up (current-heading)
"Switch two heading of same level.
CURRENT-HEADING and its content with above heading and its content."
@@ -675,18 +712,21 @@ CURRENT-HEADING and its content with above heading and
its content."
(setq current-heading-content
(buffer-substring current-heading-start
current-heading-end))
- (delete-region other-heading-start current-heading-end)
- (goto-char other-heading-start)
- (if (= ?\n (aref current-heading-content
- (1- (length current-heading-content))))
- (insert current-heading-content)
- (insert (concat current-heading-content "\n")))
- (insert other-heading-content)))
+ (save-excursion
+ (delete-region other-heading-start current-heading-end)
+ (goto-char other-heading-start)
+ (insert current-heading-content)
+ (unless (= ?\n (aref current-heading-content
+ (1- (length current-heading-content))))
+ (newline))
+ (insert other-heading-content))))
(defun typst-ts-mode-meta--dwim (direction)
"Do something depending on the context with meta key + DIRECTION.
-`left': `typst-ts-mode-heading-decrease'.
-`right': `typst-ts-mode-heading-increase'.
+`left': `typst-ts-mode-heading-decrease',
+`right': `typst-ts-mode-heading-increase',
+`up': `typst-ts-mode-heading-up',
+`down': `typst-ts-mode-heading-down'.
When there is no relevant action to do it will execute the relevant function in
the `GLOBAL-MAP' (example: `right-word')."
(let ((heading (typst-ts-mode-heading--at-point-p))
@@ -704,7 +744,9 @@ the `GLOBAL-MAP' (example: `right-word')."
('up
(cons (lambda (node) (typst-ts-mode-heading--up node))
"\\[typst-ts-mode-heading-up]"))
- ('down "\\[typst-ts-mode-heading-down]")
+ ('down
+ (cons (lambda (node) (typst-ts-mode-heading--down node))
+ "\\[typst-ts-mode-heading-down]"))
(_ (error "%s is not one of: `right' `left'" direction)))))
(if heading
(funcall (car call-me/string) heading)
