EventSystem

Inner event system.

Methods
attachEvent attaches the handler to an inner event of the component
blockEvent temporarily blocks triggering of ALL events of the calling object
callEvent calls an inner event
detachEvent detaches a handler from an event (which was attached before by the attachEvent method)
hasEvent checks whether the component has the specified event handler
mapEvent routes events from one object to another
unblockEvent cancels events blocking that was enabled by the 'blockEvent' command
Properties
on allows attaching custom handlers to inner events of the component
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