Concatenate fields

[Ulrik Stervbo]

Hello list,

I'm trying to generate a template to link to external files (I know this defeats the purpose of a single HTML but I expect to have a lot of images, pdfs and other things). To include PDfs I use: <object data={{!!filename}} type="application/pdf" width="100%" height="500px"/>

I would like to have the field 'filename' to contain just the file name and have another field 'path' which contains the (unchanging) path to a directory next to the tiddlywiki. How can I combine these two fields to generate a path with file name pointing to the data?

Cheers,
Ulrik

[Danielo Rodríguez]

It depends on how do you are going to use that, but you can use.

{{!!path}}{{!!filename}}


The question is, where is the path defined?

[Ulrik Stervbo]

I did try that but that doesn't work (<object data={{!!path}}{{!!filename}} type="application/pdf" width="100%" height="500px"/>).

The path is defined in a field in the tiddly. The file name is also defined in a field in the same tiddly

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[cmari]

I'm sure someone else could come up with something more elegant, but I think the method in this thread
https://groups.google.com/forum/?hl=en#!searchin/tiddlywiki/linkimage$20tw5/tiddlywiki/T4iAJWt4CdE/MFeao7hpvokJ
would work.  E.g.,

\define linkpdf(title)
<object data="file:///C:/somefolder/somotherfolder/$title$.pdf" type="application/pdf" width="100%" height="500px"/>

\end

<$macrocall $name=linkpdf title={{!!filename}}/>

cmari

[Eric Shulman]

On Friday, April 4, 2014 6:39:24 AM UTC-7, Ulrik Stervbo wrote:

I did try that but that doesn't work (<object data={{!!path}}{{!!filename}} type="application/pdf" width="100%" height="500px"/>).
The path is defined in a field in the tiddly. The file name is also defined in a field in the same tiddly

HTML syntax usually expects quotes around attribute values (e.g., data="....").  I'm not sure if this will help at all, but try adding quotes, like this:

 <object data="{{!!path}}{{!!filename}}" ...

enjoy,

-e

Eric Shulman

TiddlyTools / ELS Design Studios

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[Ulrik Stervbo]

Thanks!

\define linkpdf(title)
<object data="file:///C:/somefolder/somotherfolder/$title$.pdf" type="application/pdf" width="100%" height="500px"/>

\end

<$macrocall $name=linkpdf title={{!!filename}}/>

 

works nicely!

Adding quotes (<object data="{{!!path}}{{!!filename}}" ...) doesn't (that I had already tried out after realizing {{!!path}}{{!!filename}} also didn't work) - can it be the transclusion is ignored?

Cheers,

Ulrik

[Danielo Rodríguez]

Glad you finally got it working.

Why people is using macrocall instead of the simplest and efficient <<macroname>>

[Stephan Hradek]

Just try it and you'll notice the difference.