#UI_ENHANCEMENT by cg
class: ImageEditor
more flexibility to make menu items invisible
in subclasses.
added:
#isNotStandAloneAndMethodSaveAndLoadMenuItemsVisible
#isStandAloneAndMethodSaveAndLoadMenuItemsVisible
#methodSaveAndLoadMenuItemsVisible
#modeMenuVisible
changed:
#helpSpec
#menu
#menuFile
#menuToolbar