Canvas ND framework: Difference between revisions

  id:'planArcs', # the name of the symbol in the SVG file

  impl: { # a hash containing callbacks

   init: func(nd,symbol) {}, # required intiialization code

   predicate: func(nd) { nd.in_mode('toggle_display_mode', ['PLAN']) }, # the predicate that decides whether the true/false callbacks below will be executed

   is_true: func(nd) { nd.symbols.planArcs.show() }, # this will be invoked if the predicate evaluates to true

   is_false: func(nd) { nd.symbols.planArcs.hide() }, # and this if it does not