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[O] [Accepted] [O, 2/5] Mark a task as a milestone if it is a leaf node


From: Bastien Guerry
Subject: [O] [Accepted] [O, 2/5] Mark a task as a milestone if it is a leaf node and cannot be scheduled
Date: Thu, 17 Mar 2011 09:45:36 +0100 (CET)

Patch 695 (http://patchwork.newartisans.com/patch/695/) is now "Accepted".

Maintainer comment: none

This relates to the following submission:

http://mid.gmane.org/%3C1300273502-12977-3-git-send-email-christian.egli%40alumni.ethz.ch%3E

Here is the original message containing the patch:

> Content-Type: text/plain; charset="utf-8"
> MIME-Version: 1.0
> Content-Transfer-Encoding: 7bit
> Subject: [O, 2/5] Mark a task as a milestone if it is a leaf node and cannot 
> be
>       scheduled
> Date: Wed, 16 Mar 2011 16:04:59 -0000
> From: Christian Egli <address@hidden>
> X-Patchwork-Id: 695
> Message-Id: <address@hidden>
> To: address@hidden
> 
> * org-taskjuggler.el (org-taskjuggler-compute-task-leafiness): Compute
> the leafiness of a node.
> (org-taskjuggler-open-task, org-export-as-taskjuggler): Mark a node as
> a milestone if it is a leaf and has no effort.
> 
> Mark a task as a milestone if it has neither an effort, a duration, an
> end or a period. This is needed for tj3 export as tj3 fails to compile
> the file if there is a leaf node with no computable end date. tj2
> happily ignored the situation, but TJ3 throws an error.
> 
> ---
> lisp/org-taskjuggler.el |   37 +++++++++++++++++++++++++++++++------
>  1 files changed, 31 insertions(+), 6 deletions(-)
> 
> diff --git a/lisp/org-taskjuggler.el b/lisp/org-taskjuggler.el
> index ec6bb30..2d16790 100644
> --- a/lisp/org-taskjuggler.el
> +++ b/lisp/org-taskjuggler.el
> @@ -263,9 +263,10 @@ defined in `org-export-taskjuggler-default-reports'."
>    (let* ((tasks
>         (org-taskjuggler-resolve-dependencies
>          (org-taskjuggler-assign-task-ids 
> -         (org-map-entries 
> -          '(org-taskjuggler-components) 
> -          org-export-taskjuggler-project-tag nil 'archive 'comment))))
> +         (org-taskjuggler-compute-task-leafiness
> +          (org-map-entries 
> +           '(org-taskjuggler-components) 
> +           org-export-taskjuggler-project-tag nil 'archive 'comment)))))
>        (resources
>         (org-taskjuggler-assign-resource-ids
>          (org-map-entries 
> @@ -392,6 +393,23 @@ a path to the current task."
>       (setq previous-level level)
>       (setq resolved-tasks (append resolved-tasks (list task)))))))
>  
> +(defun org-taskjuggler-compute-task-leafiness (tasks)
> +  "Figure out if each task is a leaf by looking at it's level,
> +and the level of its successor. If the successor is higher (ie
> +deeper), then it's not a leaf."
> +  (cond
> +   ((null tasks) nil)
> +   ;; if a task has no successors it is a leaf
> +   ((null (car (cdr tasks)))
> +    (cons (cons (cons "leaf-node" t) (car tasks)) 
> +       (org-taskjuggler-compute-task-leafiness (cdr tasks))))
> +   ;; if the successor has a lower level than task it is a leaf
> +   ((<= (cdr (assoc "level" (car (cdr tasks)))) (cdr (assoc "level" (car 
> tasks)))) 
> +    (cons (cons (cons "leaf-node" t) (car tasks)) 
> +       (org-taskjuggler-compute-task-leafiness (cdr tasks))))
> +   ;; otherwise examine the rest of the tasks
> +   (t (cons (car tasks) (org-taskjuggler-compute-task-leafiness (cdr 
> tasks))))))
> +
>  (defun org-taskjuggler-assign-resource-ids (resources &optional unique-ids)
>    "Given a list of resources return the same list, assigning a
>  unique id to each resource."
> @@ -621,11 +639,17 @@ org-mode priority string."
>                     (cdr (assoc "complete" task))))
>       (parent-ordered (cdr (assoc "parent-ordered" task)))
>       (previous-sibling (cdr (assoc "previous-sibling" task)))
> +     (milestone (or (cdr (assoc "milestone" task))
> +                    (and (assoc "leaf-node" task)
> +                         (not (or effort 
> +                                  (cdr (assoc "duration" task))
> +                                  (cdr (assoc "end" task))
> +                                  (cdr (assoc "period" task)))))))
>       (attributes 
>        '(account start note duration endbuffer endcredit end
> -        flags journalentry length maxend maxstart milestone
> -        minend minstart period reference responsible
> -        scheduling startbuffer startcredit statusnote)))
> +        flags journalentry length maxend maxstart minend
> +        minstart period reference responsible scheduling
> +        startbuffer startcredit statusnote)))
>      (insert
>       (concat 
>        "task " unique-id " \"" headline "\" {\n" 
> @@ -639,6 +663,7 @@ org-mode priority string."
>        (and complete (format " complete %s\n" complete))
>        (and effort (format " effort %s\n" effort))
>        (and priority (format " priority %s\n" priority))
> +      (and milestone (format " milestone\n"))
>        
>        (org-taskjuggler-get-attributes task attributes)
>        "\n"))))
> 



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