property with multiple values, or suggestions for a course planning system

property with multiple values, or suggestions for a course planning system

[Kel Chan]

Hi list,

disclaimer: new to org and emacs.

question: How can I associate more than one value to a property?

I'm implementing a course planning tool b/c the one provided by my university sucks.

Ideally, each course offered is a second level heading with a property "offering" with multiple possible values: fall, spring, odd spring, even summer, etc. And similar to "offering", each heading also have "prereq" and "designation" property.

I would like to create a sparse-tree by searching for some property to view a tree of courses and plan accordingly. The problem is that each property can only have one value.

Is property the best way to implement this system? If not, can you suggest something else?

Thanks,
kel

Re: property with multiple values, or suggestions for a course planning system

[Thorsten Jolitz]

Kel Chan <ktc7@sfu.ca> writes:

Hi,

> disclaimer: new to org and emacs.
>
> question: How can I associate more than one value to a property?
>
> I'm implementing a course planning tool b/c the one provided by my
> university sucks.
>
> Ideally, each course offered is a second level heading with a property
> "offering" with multiple possible values: fall, spring, odd spring,
> even summer, etc. And similar to "offering", each heading also have
> "prereq" and "designation" property.
>
> I would like to create a sparse-tree by searching for some property to
> view a tree of courses and plan accordingly. The problem is that each
> property can only have one value.
>
> Is property the best way to implement this system? If not, can you
> suggest something else?

There are multi-value properties in Org-mode and an API exists with
related functions get, put, add, remove and member-in. 

,------------------------------------------------------
| http://orgmode.org/manual/Using-the-property-API.html
`------------------------------------------------------

So you should be able to have a property "offering" with more than one
season, and build a sparse tree by checking if the season at hand is
member in that property. 

-- 
cheers,
Thorsten

Re: property with multiple values, or suggestions for a course planning system

[John Hendy]

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On Jul 22, 2013 1:04 AM, "Kel Chan" <ktc7@sfu.ca> wrote:
>
> Hi list,
>
> disclaimer: new to org and emacs.
>
> question: How can I associate more than one value to a property?
>
> I'm implementing a course planning tool b/c the one provided by my
university sucks.
>
> Ideally, each course offered is a second level heading with a property
"offering" with multiple possible values: fall, spring, odd spring, even
summer, etc. And similar to "offering", each heading also have "prereq" and
"designation" property.
>

As an alternative, what about tags?
Or

:spring: t
:fall: t
Etc...

Instead of needing it all in one property drawer?

Just an idea,
John

> I would like to create a sparse-tree by searching for some property to
view a tree of courses and plan accordingly. The problem is that each
property can only have one value.
>
> Is property the best way to implement this system? If not, can you
suggest something else?
>
> Thanks,
> kel
>

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