[PATCH] Allow org-collector to display heading indentation

[Nicolas Girard <girard.nicolas@gmail.com>]

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Hi all,
attached is a patch which adds a new parameter "indent" to the
propview dynamic bloc, with the following behaviour:

#+BEGIN_SRC org
  ,* Tree
  ,:PROPERTIES:
  ,:COLUMNS: %8ITEM %4prop1 %5prop2
  ,:ID: tree
  ,:END:
  ,** A
  ,:PROPERTIES:
  ,:prop1: 10
  ,:prop2: 20
  ,:END:
  ,*** A1
  ,:PROPERTIES:
  ,:prop1: 15
  ,:prop2: 19
  ,:END:
  ,*** A2
  ,:PROPERTIES:
  ,:prop1: 20
  ,:prop2: 18
  ,:END:
  ,** B
  ,:PROPERTIES:
  ,:prop1: 25
  ,:prop2: 10
  ,:END:
  ,*** B1
  ,:PROPERTIES:
  ,:prop1: 2
  ,:prop2: 4
  ,:END:
  ,*** B2
  ,:PROPERTIES:
  ,:prop1: 3
  ,:prop2: 5
  ,:END:

#+END_SRC

#+BEGIN: propview :id tree :cols (ITEM prop1) :noquote t :indent t
| ITEM   | prop1 |
|--------+-------|
| Tree   |     0 |
| \- A   |    10 |
| \-- A1 |    15 |
| \-- A2 |    20 |
| \- B   |    25 |
| \-- B1 |     2 |
| \-- B2 |     3 |
|--------+-------|
|        |       |
#+END

I wish the indentation to be displayed with nothing but spaces, but
they would be trimmed by org-table guts ; so that's middly satisfying,
but better than nothing :-)

Cheers,

Nicolas

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diff --git a/contrib/lisp/org-collector.el b/contrib/lisp/org-collector.el
index ad198ed..bc9dfae 100644
--- a/contrib/lisp/org-collector.el
+++ b/contrib/lisp/org-collector.el
@@ -121,6 +121,7 @@ preceeding the dblock, then update the contents of the dblock."
 	    (scope (plist-get params :scope))
 	    (noquote (plist-get params :noquote))
 	    (colnames (plist-get params :colnames))
+	    (indent (plist-get params :indent))
 	    (content-lines (org-split-string (plist-get params :content) "\n"))
 	    id table line pos)
 	(save-excursion
@@ -135,7 +136,7 @@ preceeding the dblock, then update the contents of the dblock."
 	  (setq stringformat (if noquote "%s" "%S"))
 	  (setq table (org-propview-to-table
 		       (org-propview-collect cols stringformat conds match scope inherit
-					     (if colnames colnames cols)) stringformat))
+					     (if colnames colnames cols) indent) stringformat))
 	  (widen))
 	(setq pos (point))
 	(when content-lines
@@ -171,13 +172,18 @@ variables and values specified in props"
 		     (when p (cons n p))))
 		 inherit))))
 
-(defun org-propview-collect (cols stringformat &optional conds match scope inherit colnames)
+(defun org-propview-collect (cols stringformat &optional conds match scope inherit colnames indent)
   (interactive)
   ;; collect the properties from every header
   (let* ((header-props
 	  (let ((org-trust-scanner-tags t) alst)
 	    (org-map-entries
-	     (quote (cons (cons "ITEM" (org-get-heading t))
+	     (quote (cons (cons "ITEM" 
+				(let ((item (org-get-heading t))
+				      (level (- (org-current-level) 1)))
+				  (if (and indent (> level 0))
+				      (format "\\%s %s" 
+					      (make-string level ?- ) item) item)))
 			  (org-propview-get-with-inherited inherit)))
 	     match scope)))
 	 ;; read property values