how do you make a catalogue item to show only .txt files?

[little titty]

I understand it is possible to make a catalogue item that you can click on to sort the files in a pane for instance to show only txt files (or at least highlight them). But how?

[Stefan]

... make a catalogue item that you can click on to ... show only txt files

Use as Location:[ |.txt ]

I think this is the same as Visual Filter (Ctrl+J)

To show all files again use an single |

This can also be used in the address bar.

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You could also call the Visual Filter dialog by its command ID from the catalog to have an UI.

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I am not sure if we can detect if the view is currently filtered or not, if we can, we could make an script to toggle this setting.

EDIT: Oh yeah, we can:

Use as Location:[ ::$VF = get("VisualFilter"); if ($VF=="") {filter "*.txt";} else {filter;} ]

[little titty]

WOW thanks for the Uber great reply - you covered all the angles having these options in the catalogue is very convenient - I couldnt find how to do it in the manual - must have been looking in the wrong place.

[Stefan]

... couldnt find how to do it in the manual - must have been looking in the wrong place.

It seams not all can be found from the "Content" page... i had to use "Index" and "Search" tab
to find what i am looking for as so often.

Also the History.txt is an place to find such things.

[admin]

FYI: I recommend you tick "Toggle on same filter" (in the context menu of the VF toolbar button) and the "|*.txt" item in the catalog works as a toggle.