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Change semantics of fold open node

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Greg Sexton 2014-04-23 20:21:56 +01:00
parent 65aa2bee02
commit 71b4a61bc6
1 changed files with 41 additions and 23 deletions
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origami.el
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@ -75,18 +75,15 @@
(defun origami-fold-open-p (node) (when node (aref node 2)))
(defun origami-fold-open-set (path value)
"Set all nodes in PATH to VALUE. This operation only really
makes sense to do for a path from the root node."
(origami-fold-path-map (lambda (node)
(defun origami-fold-open-set (node value)
(when node
(if (origami-fold-is-root-node? node)
node
(origami-fold-node (origami-fold-beg node)
(origami-fold-end node)
value
(origami-fold-children node)
(origami-fold-data node))))
path))
(origami-fold-data node)))))
(defun origami-fold-children (node) (when node (aref node 3)))
@ -117,14 +114,14 @@ used to nil out data. This mutates the node."
(origami-fold-children-set node
(cons new (remove old (origami-fold-children node)))))
(defun origami-fold-assoc (path new-node)
(defun origami-fold-assoc (path f)
"Rewrite the tree, replacing the node referenced by PATH with
NEW-NODE"
F applied to the leaf."
(cdr
(-reduce-r-from (lambda (node acc)
(destructuring-bind (old-node . new-node) acc
(cons node (origami-fold-replace-child node old-node new-node))))
(cons (-last-item path) new-node)
(let ((leaf (-last-item path))) (cons leaf (funcall f leaf)))
(butlast path))))
(defun origami-fold-diff (old new on-add on-remove on-change)
@ -430,7 +427,24 @@ otherwise fetch cached tree."
(let ((tree (origami-get-fold-tree buffer)))
(-when-let (path (origami-fold-find-path-containing tree point))
(origami-fold-diff tree (origami-store-cached-tree buffer
(origami-fold-open-set path t))
(origami-fold-assoc
path (lambda (node)
(origami-fold-open-set node t))))
(origami-create-overlay-from-fold-tree-fn buffer)
(origami-delete-overlay-from-fold-tree-fn buffer)
(origami-change-overlay-from-fold-node-fn buffer)))))
(defun origami-show-node (buffer point)
"Like `origami-open-node' but opens parent nodes recursively so
as to ensure seeing where POINT is."
(interactive (list (current-buffer) (point)))
(let ((tree (origami-get-fold-tree buffer)))
(-when-let (path (origami-fold-find-path-containing tree point))
(origami-fold-diff tree (origami-store-cached-tree buffer
(origami-fold-path-map
(lambda (node)
(origami-fold-open-set node t))
path))
(origami-create-overlay-from-fold-tree-fn buffer)
(origami-delete-overlay-from-fold-tree-fn buffer)
(origami-change-overlay-from-fold-node-fn buffer)))))
@ -440,7 +454,9 @@ otherwise fetch cached tree."
(let ((tree (origami-get-fold-tree buffer)))
(-when-let (path (origami-fold-find-path-containing tree point))
(origami-fold-diff tree (origami-store-cached-tree buffer
(origami-fold-open-set path nil))
(origami-fold-assoc
path (lambda (node)
(origami-fold-open-set node nil))))
(origami-create-overlay-from-fold-tree-fn buffer)
(origami-delete-overlay-from-fold-tree-fn buffer)
(origami-change-overlay-from-fold-node-fn buffer)))))
@ -450,9 +466,11 @@ otherwise fetch cached tree."
(let ((tree (origami-get-fold-tree buffer)))
(-when-let (path (origami-fold-find-path-containing tree point))
(origami-fold-diff tree (origami-store-cached-tree buffer
(origami-fold-assoc
path (lambda (node)
(origami-fold-open-set
path
(not (origami-fold-open-p (-last-item path)))))
node (not (origami-fold-open-p
(-last-item path)))))))
(origami-create-overlay-from-fold-tree-fn buffer)
(origami-delete-overlay-from-fold-tree-fn buffer)
(origami-change-overlay-from-fold-node-fn buffer)))))
@ -463,7 +481,7 @@ otherwise fetch cached tree."
(origami-fold-diff tree (origami-store-cached-tree buffer
(origami-fold-map
(lambda (node)
(origami-fold-open-set (list node) t))
(origami-fold-open-set node t))
tree))
(origami-create-overlay-from-fold-tree-fn buffer)
(origami-delete-overlay-from-fold-tree-fn buffer)
@ -475,7 +493,7 @@ otherwise fetch cached tree."
(origami-fold-diff tree (origami-store-cached-tree buffer
(origami-fold-map
(lambda (node)
(origami-fold-open-set (list node) nil))
(origami-fold-open-set node nil))
tree))
(origami-create-overlay-from-fold-tree-fn buffer)
(origami-delete-overlay-from-fold-tree-fn buffer)
@ -484,7 +502,7 @@ otherwise fetch cached tree."
(defun origami-show-only-node (buffer point)
(interactive (list (current-buffer) (point)))
(origami-close-all-nodes buffer)
(origami-open-node buffer point))
(origami-show-node buffer point))
(defun origami-reset (buffer)
(interactive (list (current-buffer)))