I use Google Sheets to produce simple quizzes for students. Instead of just having a cell display <Good!> when a kid enters a correct answer, I'd like to make a drawing pop up. A sports fan cheering, with a speech bubble, say. Google's documentation shows I can use GAS to change the size and position of a drawing, and thereby presumably make it go from effectively hidden to conspicuous. I don't foresee a problem when there's only one drawing, but if I have several, I don't see an easy way of selecting one.
I can get an array of the drawings in a sheet using
getDrawings(), and use
getContainerInfo() to find where the drawing is, and identify it that way, but that's pretty clunky: my code won't give any indication of what drawing is at a particular position, and if I accidentally move the drawing, my script won't select it.
Right now I'm thinking of using
setOnAction() with a name that isn't actually the name of a macro, and looping through the drawings array until
getOnAction() returns the name I want, but I don't know if the compiler will be happy assigning arbitrary strings via
setOnAction(). I wonder if there isn't a cleaner way to do this.