Hi Eric
Many thanks for your prompt response :-) Will try this and see how it works
for me.
regards
On Thursday, 7 January 2016 07:27:13 UTC+2, Eric Shulman wrote:
>
> On Wednesday, January 6, 2016 at 9:03:22 PM UTC-8, Matabele wrote:
>>
>> I don't seem to understand the following functions:
>> -- getTiddlerData()
>> -- setTiddlerData()
>> -- extractTiddlerDataItem()
>>
>> I am trying to:
>> -- extract an entry from a data index
>> -- convert this data to an array
>> -- manipulate the array
>> -- then save the modified array back to the data index.
>>
>
> Here's what I use:
> var data = this.wiki.getTiddlerData("TiddlerTitle",{});
> var val = data["index_name"];
> // ... your code here.... modify 'val'...
> data["index_name"] = val;
> this.wiki.setTiddlerData("TiddlerTitle",data);
>
> The 2nd param in getTiddlerData is a fallback data object (usually empty),
> that is used if the specified tiddler is missing. The object property
> name/value pairs correspond to the index/value pairs stored in the
> DataTiddler. To add an index to a tiddler, just assign a value into the
> data array, e.g.,
> data["some_new_index_name" = somevalue;
>
> To remove an index from a DataTiddler, set it's value to "undefined" (no
> quotes).
> data["some_new_index_name" = undefined;
>
> When the data object is written back to the tiddler, the entire text
> content of the tiddler is overwritten with the name/value pairs from the
> modified object, effectively adding/removing/updating all the individual
> indices at once.
>
> enjoy,
> -e
>
>
--
You received this message because you are subscribed to the Google Groups
"TiddlyWikiDev" group.
To unsubscribe from this group and stop receiving emails from it, send an email
to [email protected].
To post to this group, send email to [email protected].
Visit this group at https://groups.google.com/group/tiddlywikidev.
To view this discussion on the web visit
https://groups.google.com/d/msgid/tiddlywikidev/572fdebb-1185-4174-a537-da31ebdf9341%40googlegroups.com.
For more options, visit https://groups.google.com/d/optout.
