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(feat): add org-roam-graph-edge-extra-config #435

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merged 3 commits into from
Apr 11, 2020
Merged

(feat): add org-roam-graph-edge-extra-config #435

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b0ed397
(feat): add org-roam-graph-edge-extra-config
rasendubi Apr 10, 2020
d8f4cf9
(doc): add org-roam-graph-edge-extra-config to changelog
rasendubi Apr 10, 2020
6d21343
Merge branch 'master' into org-roam-graph-edge-extra-config
jethrokuan Apr 11, 2020
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1 change: 1 addition & 0 deletions CHANGELOG.md
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Original file line number Diff line number Diff line change
Expand Up @@ -11,6 +11,7 @@
* [#374][gh-374] Add support for `org-ref` `cite:` links
* [#380][gh-380] Allow `org-roam-buffer-position` to also be `top` or `bottom`
* [#385][gh-385] Add `org-roam-graph-node-extra-config` to configure Graphviz nodes
* [#435][gh-435] Add `org-roam-graph-edge-extra-config` to configure Graphviz edges

## 1.0.0 (23-03-2020)

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32 changes: 25 additions & 7 deletions org-roam-graph.el
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Expand Up @@ -67,6 +67,13 @@ Example:
:type '(alist)
:group 'org-roam)

(defcustom org-roam-graph-edge-extra-config nil
"Extra options for graphviz edges.
Example:
'((\"dir\" . \"back\"))"
:type '(alist)
:group 'org-roam)

(defcustom org-roam-graph-max-title-length 100
"Maximum length of titles in graph nodes."
:type 'number
Expand Down Expand Up @@ -134,22 +141,33 @@ into a digraph."
:where (and (in to selected) (in from selected))])
(edges (org-roam-db-query edges-query)))
(insert "digraph \"org-roam\" {\n")

(dolist (option org-roam-graph-extra-config)
(insert (concat (car option)
(insert (concat " "
(car option)
"="
(cdr option)
";\n")))
(insert (format " node [%s];\n"
(->> org-roam-graph-node-extra-config
(mapcar (lambda (n)
(concat (car n) "=" (cdr n))))
(s-join ","))))
(insert (format " edge [%s];\n"
(->> org-roam-graph-edge-extra-config
(mapcar (lambda (n)
(concat (car n) "=" (cdr n))))
(s-join ","))))

(dolist (node nodes)
(let* ((file (xml-escape-string (car node)))
(title (or (caadr node)
(org-roam--path-to-slug file)))
(shortened-title (s-truncate org-roam-graph-max-title-length title))
(base-node-properties (list (cons "label" (s-replace "\"" "\\\"" shortened-title))
(cons "URL" (concat "org-protocol://roam-file?file="
(url-hexify-string file)))
(cons "tooltip" (xml-escape-string title))))
(node-properties (append base-node-properties
org-roam-graph-node-extra-config)))
(node-properties (list (cons "label" (s-replace "\"" "\\\"" shortened-title))
(cons "URL" (concat "org-protocol://roam-file?file="
(url-hexify-string file)))
(cons "tooltip" (xml-escape-string title)))))
(insert
(format " \"%s\" [%s];\n"
file
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