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(if (> depth node-depth) ;; (+ 1 node-depth))
#f
(loop hed tal depth (+ nodenum 1)))))
#f))))
;; top is the top node name zeroeth node VALUE=0
(define (tree:add-node obj top nodelst #!key (userdata #f))
(if (not (iup:attribute obj "TITLE0"))
(iup:attribute-set! obj "ADDBRANCH0" top))
(cond
((not (string=? top (iup:attribute obj "TITLE0")))
(print "ERROR: top name " top " doesn't match " (iup:attribute obj "TITLE0")))
((null? nodelst))
(else
(let loop ((hed (car nodelst))
(tal (cdr nodelst))
(depth 1)
(pathl (list top)))
;; Because the tree dialog changes node numbers when
;; nodes are added or removed we must look up nodes
;; each and every time. 0 is the top node so default
;; to that.
(let* ((newpath (append pathl (list hed)))
(parentnode (tree:find-node obj pathl))
(nodenum (tree:find-node obj newpath)))
;; Add the branch under lastnode if not found
(if (not nodenum)
(begin
(iup:attribute-set! obj (conc "ADDBRANCH" parentnode) hed)
(if userdata
(iup:attribute-set! obj (conc "USERDATA" parentnode) userdata))
(if (null? tal)
#t
;; reset to top
(loop (car nodelst)(cdr nodelst) 1 (list top))))
(if (null? tal) ;; if null here then this path has already been added
#t
(loop (car tal)(cdr tal)(+ depth 1) newpath))))))))
(let ((curr-top (iup:attribute obj "TITLE0")))
(if (or (not (string? curr-top))
(string-null? curr-top)
(string-match "^\\s*$" curr-top))
(iup:attribute-set! obj "ADDBRANCH0" top))
(cond
((not (equal? top (iup:attribute obj "TITLE0")))
(print "ERROR: top name " top " doesn't match " (iup:attribute obj "TITLE0")))
((null? nodelst))
(else
(let loop ((hed (car nodelst))
(tal (cdr nodelst))
(depth 1)
(pathl (list top)))
;; Because the tree dialog changes node numbers when
;; nodes are added or removed we must look up nodes
;; each and every time. 0 is the top node so default
;; to that.
(let* ((newpath (append pathl (list hed)))
(parentnode (tree:find-node obj pathl))
(nodenum (tree:find-node obj newpath)))
;; Add the branch under lastnode if not found
(if (not nodenum)
(begin
(iup:attribute-set! obj (conc "ADDBRANCH" parentnode) hed)
;; ERROR? ADDING DATA TO PARENT, DONT WE WANT IT ON CREATED NODE?
(if userdata
(iup:attribute-set! obj (conc "USERDATA" parentnode) userdata))
(if (null? tal)
#t
;; reset to top
(loop (car nodelst)(cdr nodelst) 1 (list top))))
(if (null? tal) ;; if null here then this path has already been added
#t
(loop (car tal)(cdr tal)(+ depth 1) newpath)))))))))
(define (tree:node->path obj nodenum)
(let loop ((currnode 0)
(path '()))
(let* ((node-depth (string->number (iup:attribute obj (conc "DEPTH" currnode))))
(node-title (iup:attribute obj (conc "TITLE" currnode)))
(trimpath (if (and (not (null? path))
(> (length path) node-depth))
(take path node-depth)
path))
(newpath (append trimpath (list node-title))))
(if (>= currnode nodenum)
newpath
(loop (+ currnode 1)
newpath)))))
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