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mbehan
/
SwiftyButton.swift
Created
Nov 1, 2018
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SwiftyButton.swift
extension
UIControl
.Event:
Hashable
{
public
var
hashValue:
Int
{
return
Int
(
self
.
rawValue
)
}
static
func
==
(
lhs
: UIControl.Event,
rhs
: UIControl.Event)
->
Bool
{
return
lhs.
rawValue
==
rhs.
rawValue
}
}
class
Button
:
UIButton
{
private
class
Actuator
{
let
action: ()
->
Void
init
(
action
:
@escaping
()
->
Void
){
self
.
action
=
action
}
@objc
func
performAction
(){
action
()
}
}
private
var
actions
=
[UIControl.
Event
:
Actuator]()
func
on
(
_
event
: UIControl.Event,
perform
action
:
@escaping
()
->
Void
){
actions[event]
=
Actuator
(
action
: action)
addTarget
(actions[event],
action
:
#selector
(Actuator.
performAction
),
for
: event)
}
}
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