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Add origami-recursively-toggle-node command

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Greg Sexton 2014-08-14 22:06:48 +01:00
parent 3de4a8513b
commit 26037d8a99
1 changed files with 41 additions and 17 deletions
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48
origami.el
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@ -261,6 +261,14 @@ with the current state and the current node at each iteration."
(origami-fold-children tree))
tree))
(defun origami-fold-node-recursively-closed? (node)
(origami-fold-postorder-reduce node (lambda (acc node)
(and acc (not (origami-fold-open? node)))) t))
(defun origami-fold-node-recursively-open? (node)
(origami-fold-postorder-reduce node (lambda (acc node)
(and acc (origami-fold-open? node))) t))
;;; interactive utils
;;; TODO: create functions for accessing/setting the local vars and
@ -325,6 +333,20 @@ otherwise fetch cached tree."
'origami-show-overlay-from-fold-tree-fn
'origami-change-overlay-from-fold-node-fn)))
(defun origami-search-forward-for-path (buffer point)
(let (end)
(with-current-buffer buffer
(save-excursion
(goto-char point)
(setq end (line-end-position))))
(-when-let (tree (origami-get-fold-tree buffer))
(-when-let (path (origami-fold-find-path-containing tree point))
(let ((forward-node (-first (lambda (node)
(and (>= (origami-fold-beg node) point)
(<= (origami-fold-beg node) end)))
(origami-fold-children (-last-item path)))))
(if forward-node (append path (list forward-node)) path))))))
;;; commands
;;; TODO: document all commands
@ -389,23 +411,25 @@ as to ensure seeing where POINT is."
(defun origami-forward-toggle-node (buffer point)
(interactive (list (current-buffer) (point)))
(let (end)
(with-current-buffer buffer
(save-excursion
(goto-char point)
(setq end (line-end-position))))
(-when-let (tree (origami-get-fold-tree buffer))
(-when-let (path (origami-fold-find-path-containing tree point))
(let ((forward-node (-first (lambda (node)
(and (>= (origami-fold-beg node) point)
(<= (origami-fold-beg node) end)))
(origami-fold-children (-last-item path)))))
(let ((path (if forward-node (append path (list forward-node)) path)))
(-when-let (path (origami-search-forward-for-path buffer point))
(origami-apply-new-tree buffer tree (origami-fold-assoc
path (lambda (node)
(origami-fold-open-set
node (not (origami-fold-open?
(-last-item path)))))))))))))
(-last-item path))))))))))
(defun origami-recursively-toggle-node (buffer point)
(interactive (list (current-buffer) (point)))
(-when-let (path (origami-search-forward-for-path buffer point))
(let ((node (-last-item path)))
(if (eq last-command 'origami-recursively-toggle-node)
(cond ((origami-fold-node-recursively-open? node)
(origami-close-node-recursively buffer (origami-fold-beg node)))
((origami-fold-node-recursively-closed? node)
(origami-toggle-node buffer (origami-fold-beg node)))
(t (origami-open-node-recursively buffer (origami-fold-beg node))))
(origami-forward-toggle-node buffer point)))))
(defun origami-open-all-nodes (buffer)
(interactive (list (current-buffer)))