git.r.bdr.sh - rbdr/custom_event_support.lua/blob - lib/custom_event.lua

   1 local CustomEvent = class('CustomEvent')
   2
   3 function CustomEvent:initialize(event_type, data)
   4   -- defaults
   5   self.bubbles = true
   6   self.cancelable = true
   7   self.current_target = nil
   8   self.timestamp = 0
   9   self.target = nil
  10   self.type = ''
  11   self.is_propagation_stopped = false
  12   self.is_default_prevented = false
  13   self.is_immediate_propagation_stopped = false
  14   self.are_immediate_handlers_prevented = false
  15
  16   -- init
  17   self.type = event_type
  18   for k, v in pairs(data) do
  19     self[k] = v
  20   end
  21 end
  22
  23 function CustomEvent:stop_propagation()
  24   self.is_propagation_stopped = true
  25 end
  26
  27 function CustomEvent:prevent_default()
  28   self.is_default_prevented = true
  29 end
  30
  31 function CustomEvent:stop_immediate_propagation()
  32   self.is_immediate_propagation_stopped = true
  33 end
  34
  35 function CustomEvent:prevent_immediate_handlers()
  36   self.are_immediate_handlers_prevented = true
  37 end
  38
  39 return CustomEvent;