Currently, if there are no posts to select from, the user sees a blank meta box and the edit screen appears to be broken.
Take this example, where there is an attached posts field within a meta box:
When no posts are found, the user should see the same field interface (with search fields disabled, if visible) with a message that there are no posts to select from.
Currently, if there are no posts to select from, the user sees a blank meta box and the edit screen appears to be broken.
Take this example, where there is an attached posts field within a meta box:
When no posts are found, the user should see the same field interface (with search fields disabled, if visible) with a message that there are no posts to select from.
Mockup: