Block thumbnail picker should be restricted to image files

[bjarnef]

Which Umbraco version are you using?

16.2.0

Bug summary

It seems block thumbnail picker list all files unlike in v13, where the static file picker was configured to image file extensions including .svg:

Perhaps we can map e.g. .css and .js files to specific icons instead of the circle-dashed icon.

In v13 folders and other file extensions were disabled.

The custom view for block no longer use static picker (filtering .htm and .html files) to pick file, but it is worth checking if the static file picker allow to restrict allowed/not allowed files.

Ideally I think it would be nicer to render the thumbnail as an image preview like in block card itself and visualize how the selected thumbnail will look in block picker.

Specifics

No response

Steps to reproduce

Open thumbnail picker for a block and noticed CSS files etc, are listed and can be selected as well.

Expected result / actual result

No response

[github-actions]

Hi there @bjarnef!

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[github-actions]

Hi @bjarnef,

We're writing to let you know that we would love some help with this issue. We feel that this issue is ideal to flag for a community member to work on it. Once flagged here, folk looking for issues to work on will know to look at yours. Of course, please feel free work on this yourself ;-). If there are any changes to this status, we'll be sure to let you know.

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Thanks muchly, from your friendly Umbraco GitHub bot :-)

[nielslyngsoe]

I agree, this should be limited to image formats including svgs

[bjarnef]

@nielslyngsoe it seems it just render these properties in modal using the respective property editor UI - for thumbnail static file picker.

We probably don't want to modify how the general static file picker works, so perhaps best to have an image property editor UI (or what we name this) which use or extend the static file picker?

It would be useful on other context selecting an static file/image, e.g. selecting a source image in datatype configuration in https://marketplace.umbraco.com/package/umbraco.community.hotspots

It can probably filter to image files by default, but the option to filter further, e.g. only allow .svg images to be selected.