template snippet for a show/hide script in robofont glyph editor window

template-show-hide-in-glypheditor.py

#menuTitle: Show/Hide Template

from mojo.subscriber import Subscriber, registerGlyphEditorSubscriber, unregisterGlyphEditorSubscriber, listRegisteredSubscribers

class TemplateSubscriber(Subscriber):

    debug = True
    
    # --- base methods --- #
    def build(self):
        glyphEditor = self.getGlyphEditor()
        
        self.container = glyphEditor.extensionContainer(
            identifier="XXX.XXXXXXXXX.TemplateSubscriber",
            location="foreground",            
            clear=True
        )
    
    def started(self):
        self.draw()

    def destroy(self):
        self.container.clearSublayers()

    # --- subscribers --- #
    def glyphEditorDidSetGlyph(self, info):
        self.draw()

    glyphEditorGlyphDidChangeDelay = 0
    def glyphEditorGlyphDidChange(self, info):
        self.draw()
    
    # --- drawing routine --- #
    def draw(self):
        ###############################
        # your drawing code goes here #
        ###############################

if __name__ == '__main__':
    for s in listRegisteredSubscribers():
        if 'TemplateSubscriber' in s.getIdentifier():
            unregisterGlyphEditorSubscriber(s)
        else:
            registerGlyphEditorSubscriber(TemplateSubscriber)