TW5 tip: Use fields for brief summaries of tiddlers

[David Gifford]

Sometimes you want lists of tiddlers to display more than just the tiddler title, but not the entire contents of the tiddler. You can write up a brief summary of the tiddler in a summary field, then create lists that display the title and the summary field of the tiddlers in that list (or the tiddlers with a certain tag).

See http://www.giffmex.org/tw5mall.htm "Lists with tiddler summaries" for instructions.

Dave

[Tobias Beer]

Thanks, Dave, that's a very useful tip.

Makes me wonder though how hard it would be to dynamically and automagically turn a field input into a textarea, perhaps when one hits ENTER, i.e. set the number of displayed lines of such a textarea to the number of literal newline characters in it. Perhaps it could even always be a textarea, starting with 1 line?

Tobias.

[David Gifford]

I have no idea what you just said or what you are wondering.

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David Gifford
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[Jeremy Ruston]

Makes me wonder though how hard it would be to dynamically and automagically turn a field input into a textarea, perhaps when one hits ENTER, i.e. set the number of displayed lines of such a textarea to the number of literal newline characters in it. Perhaps it could even always be a textarea, starting with 1 line?

In the refactored branch you'll be able to say <$edit-text field="myfield" tag="textarea"/> to force a text area instead of an <input type="text"/>. In TW5 input text areas always resize the fit their text. Does that answer your question?

Best wishes

Jeremy

 

Tobias.

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Jeremy Ruston
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[Tobias Beer]

In the refactored branch you'll be able to say <$edit-text field="myfield" tag="textarea"/> to force a text area instead of an <input type="text"/>. In TW5 input text areas always resize the fit their text. Does that answer your question?

Not sure, I was thinking more in terms of using / extending the default mechanism for adding / editing / removing fields so as to (somewhat adaptively) allow for multiline content in a custom field.

Tobias.

[Ton Gerner]

Hi Dave,

That is very handy.

Thanks,

Ton

[Jeremy Ruston]

Not sure, I was thinking more in terms of using / extending the default mechanism for adding / editing / removing fields so as to (somewhat adaptively) allow for multiline content in a custom field.

Right. There is already a mechanism for a tiddler field to specify the type attribute of the input element used to edit it. This is how the "color" field gets its special editor:

https://github.com/Jermolene/TiddlyWiki5/blob/master/boot/boot.js#L725

I've just extended the mechanism to allow the element tag to be specified in the same way, which would allow a field module to stipulate that a text area be used by default for editing that field. I'll push the change shortly.

Best wishes

Jeremy.

 

Tobias.