Apply a look to the editable drawings among ids as one undo step. Returns how many changed.
The look of a drawing: every setting its schema declares, except the words it says and where it is.
The catalog as last loaded or committed; null until the first load lands, or when it failed.
The look new drawings of tool start with, if one was saved.
Save the look of drawing id under name.
The saved templates of one tool, in the order they were saved.
What the widget holds for a template store; see
createDrawingTemplates.