Thanks Eric! That's exactly what I needed.
Best,
-Adam
On Friday, March 8, 2013 12:08:31 PM UTC-8, Eric Shulman wrote:
>
> > Does TW have methods for reading/writing to custom fields?
>
> store.getValue(tiddler,fieldName)
> * returns stored string value for the given fieldname
> * returns undefined if fieldname does not exist
>
> store.setValue(tiddler,fieldName,value)
> * sets the value of the given field of the tiddler to the value
> * fieldnames are case sensitive
> * all values are converted and stored as strings
> * use a value of null or undefined to remove the field.
> * setting a namespace[1] to undefined removes all fields of that
> namespace
>
> [1] custom tiddler fields allow for "grouping" fields into
> "namespaces" by adding a "spacename." prefix before the fieldname,
> like this:
> store.setValue("SomeTiddler","somespace.foo","...");
> store.setValue("SomeTiddler","somespace.bar","...");
> store.setValue("SomeTiddler","somespace.baz","...");
> The above code creates three custom fields, all starting with the same
> "namespace" prefix.
>
> For most uses, fieldnames that have a namespace prefix are handled the
> same as other fields... the prefix is treat as just another part of
> the fieldname. However, in addition to simply setting/clearing values
> by referencing the individual custom fields one at a time, like this:
> store.setValue("SomeTiddler","somespace.foo",null);
> store.setValue("SomeTiddler","somespace.bar",null);
> store.setValue("SomeTiddler","somespace.baz",null);
> you can also use store.setValue(...) to clear an entire namespace in
> one call, like this:
> store.setValue("SomeTiddler","somespace",null);
>
> enjoy,
> -e
> Eric Shulman
> TiddlyTools / ELS Design Studios
>
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