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java.lang.Objectjavax.swing.Timer
edu.umd.cs.piccolox.swt.SWTTimer
public class SWTTimer
Nested Class Summary | |
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(package private) class |
SWTTimer.SWTDoPostEvent
DoPostEvent is a runnable class that fires actionEvents to the listeners on the EventDispatchThread, via invokeLater. |
Field Summary | |
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(package private) boolean |
coalesce
|
(package private) int |
delay
|
(package private) org.eclipse.swt.widgets.Display |
display
|
(package private) java.lang.Runnable |
doPostEvent
|
(package private) long |
expirationTime
|
(package private) int |
initialDelay
|
(package private) SWTTimer |
nextTimer
|
(package private) boolean |
repeats
|
(package private) boolean |
running
|
Fields inherited from class javax.swing.Timer |
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listenerList |
Constructor Summary | |
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SWTTimer(org.eclipse.swt.widgets.Display display,
int delay,
java.awt.event.ActionListener listener)
Constructor for SWTTimer. |
Method Summary | |
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(package private) void |
cancelEventOverride()
Resets the internal state to indicate this Timer shouldn't notify any of its listeners. |
protected void |
fireActionPerformed(java.awt.event.ActionEvent e)
Notifies all listeners that have registered interest for notification on this event type. |
int |
getDelay()
Returns the delay, in milliseconds, between firings of action events. |
int |
getInitialDelay()
Returns the Timer 's initial delay. |
boolean |
isCoalesce()
Returns true if the Timer coalesces multiple
pending action events. |
boolean |
isRepeats()
Returns true (the default) if the Timer will
send an action event to its listeners multiple times. |
boolean |
isRunning()
Returns true if the Timer is running. |
(package private) void |
postOverride()
|
void |
restart()
Restarts the Timer , canceling any pending firings and
causing it to fire with its initial delay. |
void |
setCoalesce(boolean flag)
Sets whether the Timer coalesces multiple pending
ActionEvent firings. |
void |
setDelay(int delay)
Sets the Timer 's delay, the number of milliseconds between
successive action events. |
void |
setInitialDelay(int initialDelay)
Sets the Timer 's initial delay, which by default is the same
as the between-event delay. |
void |
setRepeats(boolean flag)
If flag is false , instructs the
Timer to send only one action event to its listeners. |
void |
start()
Starts the Timer , causing it to start sending action events
to its listeners. |
void |
stop()
Stops the Timer , causing it to stop sending action events to
its listeners. |
(package private) SWTTimerQueue |
timerQueue()
Returns the timer queue. |
Methods inherited from class javax.swing.Timer |
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addActionListener, getActionCommand, getActionListeners, getListeners, getLogTimers, removeActionListener, setActionCommand, setLogTimers |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
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int initialDelay
int delay
boolean repeats
boolean coalesce
java.lang.Runnable doPostEvent
org.eclipse.swt.widgets.Display display
long expirationTime
SWTTimer nextTimer
boolean running
Constructor Detail |
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public SWTTimer(org.eclipse.swt.widgets.Display display, int delay, java.awt.event.ActionListener listener)
delay
- listener
- Method Detail |
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protected void fireActionPerformed(java.awt.event.ActionEvent e)
fireActionPerformed
in class javax.swing.Timer
e
- the action event to fireSWTTimerQueue timerQueue()
public void setDelay(int delay)
Timer
's delay, the number of milliseconds between
successive action events.
setDelay
in class javax.swing.Timer
delay
- the delay in millisecondssetInitialDelay(int)
public int getDelay()
getDelay
in class javax.swing.Timer
setDelay(int)
,
getInitialDelay()
public void setInitialDelay(int initialDelay)
Timer
's initial delay, which by default is the same
as the between-event delay. This is used only for the first action event.
Subsequent action events are spaced using the delay property.
setInitialDelay
in class javax.swing.Timer
initialDelay
- the delay, in milliseconds, between the invocation of
the start
method and the first action event fired
by this timersetDelay(int)
public int getInitialDelay()
Timer
's initial delay.
getInitialDelay
in class javax.swing.Timer
setInitialDelay(int)
,
setDelay(int)
public void setRepeats(boolean flag)
flag
is false
, instructs the
Timer
to send only one action event to its listeners.
setRepeats
in class javax.swing.Timer
flag
- specify false
to make the timer stop after
sending its first action eventpublic boolean isRepeats()
true
(the default) if the Timer
will
send an action event to its listeners multiple times.
isRepeats
in class javax.swing.Timer
setRepeats(boolean)
public void setCoalesce(boolean flag)
Timer
coalesces multiple pending
ActionEvent
firings. A busy application may not be able to
keep up with a Timer
's event generation, causing multiple
action events to be queued. When processed, the application sends these
events one after the other, causing the Timer
's listeners to
receive a sequence of events with no delay between them. Coalescing
avoids this situation by reducing multiple pending events to a single
event. Timer
s coalesce events by default.
setCoalesce
in class javax.swing.Timer
flag
- specify false
to turn off coalescingpublic boolean isCoalesce()
true
if the Timer
coalesces multiple
pending action events.
isCoalesce
in class javax.swing.Timer
setCoalesce(boolean)
public void start()
Timer
, causing it to start sending action events
to its listeners.
start
in class javax.swing.Timer
stop()
public boolean isRunning()
true
if the Timer
is running.
isRunning
in class javax.swing.Timer
start()
public void stop()
Timer
, causing it to stop sending action events to
its listeners.
stop
in class javax.swing.Timer
start()
public void restart()
Timer
, canceling any pending firings and
causing it to fire with its initial delay.
restart
in class javax.swing.Timer
void cancelEventOverride()
stop
for that.
void postOverride()
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