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Allow parsers to provide a custom string to show. #97

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Allow parsers to provide a custom string to show. #97

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10 changes: 6 additions & 4 deletions origami.el
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Original file line number Diff line number Diff line change
Expand Up @@ -98,9 +98,10 @@ header overlay should cover. Result is a cons cell of (begin . end)."
(defun origami-header-modify-hook (header-overlay after-p b e &optional l)
(if after-p (origami-header-overlay-reset-position header-overlay)))

(defun origami-create-overlay (beg end offset buffer)
(defun origami-create-overlay (beg end offset buffer &optional alt-text)
(when (> (- end beg) 0)
(let ((ov (make-overlay (+ beg offset) end buffer)))
(overlay-put ov 'alt-text (or alt-text origami-fold-replacement))
(overlay-put ov 'creator 'origami)
(overlay-put ov 'isearch-open-invisible 'origami-isearch-show)
(overlay-put ov 'isearch-open-invisible-temporary
Expand All @@ -120,7 +121,7 @@ header overlay should cover. Result is a cons cell of (begin . end)."

(defun origami-hide-overlay (ov)
(overlay-put ov 'invisible 'origami)
(overlay-put ov 'display origami-fold-replacement)
(overlay-put ov 'display (overlay-get ov 'alt-text))
(overlay-put ov 'face 'origami-fold-replacement-face)
(if origami-show-fold-header
(origami-activate-header (overlay-get ov 'header-ov))))
Expand Down Expand Up @@ -474,7 +475,7 @@ was last built."

(defun origami-get-parser (buffer)
(let* ((cached-tree (origami-get-cached-tree buffer))
(create (lambda (beg end offset children)
(create (lambda (beg end offset children &optional alt-text)
(let ((previous-fold (-last-item (origami-fold-find-path-with-range cached-tree beg end))))
(origami-fold-node beg end offset
(if previous-fold (origami-fold-open? previous-fold) t)
Expand All @@ -483,7 +484,8 @@ was last built."
(origami-get-cached-tree buffer) beg end)
-last-item
origami-fold-data)
(origami-create-overlay beg end offset buffer)))))))
(origami-create-overlay beg end offset buffer
alt-text)))))))
(-when-let (parser-gen (or (cdr (assoc (if (local-variable-p 'origami-fold-style)
(buffer-local-value 'origami-fold-style buffer)
(buffer-local-value 'major-mode buffer))
Expand Down