Hello!
Okay, so the context for this is that I have, or will have, a database of
many, many interrelated individuals. Each of those individuals has a
'mother' and a 'father'. I can currently get tiddlywiki to display lists of
children each individual has, based on their name showing up in the mother
or father field of another tiddler. What I can't figure out how to do is
get the 'Children' row of the table not to show when an individual has no
children.
For other fields I can do something like this:
<$list filter="[all[current]has[secondaryeducation]]">
<tr>
<td>''Secondary Education''</td>
<td><$link to={{!!secondaryeducation}} /></td>
</tr></$list>
When an individual doesn't have the secondaryeducation field, the row
doesn't show up in the sidebox.
My current set up for listing children looks like this
<$list filter="[all[current]gender[female]]">
<tr>
<td>''Children''</td>
<td><<list-links [field:mother{!!title}]>></td>
</tr></$list>
<$list filter="[all[current]gender[male]">
<tr>
<td>''Children''</td>
<td><<list-links [field:father{!!title}]>></td>
</tr></$list>
<$list filter="[all[current]has[id]]">
If the individual is female, it looks for instances of the title of the
individuals tiddler being listed as the mother in other tiddlers. Vice
versa for males.
I've fiddled with lots of widgets. I think the problem is that this syntax
[field:father{!!title}] doesn't play well...
Also, if you have better alternative methods of achieving this goal, I'm
all ears! I know filling in a 'Children' field, would solve this problem,
but I want to cut manual data input to a minimum, and in principle all
biological familial relationships (siblings, aunts, grandparents...etc.)
can be expressed in mother-child, and father-child relationships.
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