Hello All,
I must be missing easy, but is there a way to easily reference the values
of data tiddlers within filter notation? I'm trying to build a 'voting'
mechanism for my multi-user wiki. My initial thought would be do have each
"item to be voted on" as a data tiddler, and store the "score" under their
username, so that I can tell how many people voted, and what the average
score was. Each data tiddler would be tagged with the name of the vote.
So, I have for instance a data tiddler named "Idea 1", "Idea 2", "Idea 3"
and so on. "Idea 1" would look like:
User A:1
User B:2
User C:2
User D:3
User E:1
etc.
Each data tiddler would be tagged "Vote on this" or something. Here's my
code so far for the "Vote on this" tiddler:
<table>
<th>Idea</th><th>Vote Count</th><th>Avg Score</th>
<$list filter="[tag<currentTiddler>]">
<tr>
<td>{{!!title}}</td>
<td><$list filter="[all[current]indexes[]count[]]"></$list></td>
<td><$list filter="[all[current]indexes[]get[value]] +sum[]]"></$list></td>
</tr>
</$list>
</table>
The line with the get[value] +sum[] is where I'm stuck. Obviously sum
doesn't get me all the way to average, but sum/count will work once I
figure out the reference part.
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