Package org.flexdock.event
Class EventHandler
- java.lang.Object
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- org.flexdock.event.EventHandler
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- Direct Known Subclasses:
DockbarEventHandler
,DockingEventHandler
,LayoutEventHandler
,PerspectiveEventHandler
,RegistrationHandler
,RegistrationHandler
public abstract class EventHandler extends java.lang.Object
- Author:
- Christopher Butler
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Field Summary
Fields Modifier and Type Field Description protected java.util.ArrayList
globalListeners
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Constructor Summary
Constructors Constructor Description EventHandler()
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Method Summary
All Methods Instance Methods Abstract Methods Concrete Methods Modifier and Type Method Description abstract boolean
acceptsEvent(Event evt)
Tests a given event to determine if this handler can handle that event.abstract boolean
acceptsListener(java.util.EventListener listener)
void
addListener(java.util.EventListener listener)
java.util.EventListener[]
getListeners(java.lang.Object eventTarget)
void
handleEvent(Event evt, java.lang.Object[] targets)
This method handles all of the events.abstract void
handleEvent(Event evt, java.util.EventListener listener, int eventType)
void
removeListener(java.util.EventListener listener)
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Method Detail
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acceptsEvent
public abstract boolean acceptsEvent(Event evt)
Tests a given event to determine if this handler can handle that event.- Parameters:
evt
- the event to test.- Returns:
true
if this handler handles the event,false
otherwise.
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acceptsListener
public abstract boolean acceptsListener(java.util.EventListener listener)
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handleEvent
public abstract void handleEvent(Event evt, java.util.EventListener listener, int eventType)
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addListener
public void addListener(java.util.EventListener listener)
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removeListener
public void removeListener(java.util.EventListener listener)
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handleEvent
public void handleEvent(Event evt, java.lang.Object[] targets)
This method handles all of the events. First passing each event tohandleEvent(Event, EventListener, int)
for every registered listener in theglobalListeners
list. Then, it passes the event to each of the target listeners passed in viatargets
.- Parameters:
evt
- the event to process.targets
- the local listeners to pass the event to.
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getListeners
public java.util.EventListener[] getListeners(java.lang.Object eventTarget)
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