Bus App

SketchSystems.spec

Bus App
  idle
    DOOR_OPEN -> loading
  loading
    DOOR_CLOSE -> stopped 
    #要放 cond 因為 close 不代表有放入 cd   
  loadError
    #
  stopped
    ON_EJECT -> idle
    ON_PLAY -> playing
    ON_STOP -> stopped
    FFD_START -> forwarding
    RWD_START -> rewinding
    ON_PAUSE -> paused
  playing
    ON_STOP -> stopped
    FFD_START -> forwarding
    RWD_START -> rewinding
    ON_PAUSE -> paused
  paused
    ON_RESUME -> playing
    # 其實要用 cond 決定回 stopped | playing
  forwarding
    FFD_STOP -> undetermined
  rewinding
    RWD_STOP -> undetermined
  undetermined
  

SketchSystems_prototype.js

function render(model){
  let current_state_name = model.active_states[0].name;
  return $("h1",
           {style: {color: "darkBlue"}},
           `The current state is: ${current_state_name}`);
}