public abstract class FilteredDockActionSource extends AbstractDockActionSource
listeners
Constructor and Description |
---|
FilteredDockActionSource(DockActionSource source)
Creates a new filtered DockActionSource.
|
Modifier and Type | Method and Description |
---|---|
void |
addDockActionSourceListener(DockActionSourceListener listener)
Adds a listener to this source.
|
DockAction |
getDockAction(int index)
Gets the index'th
DockAction of this source. |
int |
getDockActionCount()
Gets the number of
DockActions which are
provided by this source. |
LocationHint |
getLocationHint()
Gets a hint where to put this source in relation to other sources.
|
protected abstract boolean |
include(DockAction action)
Tells whether
action should be included in the list of
actions of this source, or not. |
java.util.Iterator<DockAction> |
iterator() |
void |
refresh()
Recalculates the visibility of all actions and fires events to the registered
DockActionSourceListener
if the state of an action changed. |
void |
removeDockActionSourceListener(DockActionSourceListener listener)
Removes an earlier added listener.
|
fireAdded, fireRemoved, hasListeners, indexOf
public FilteredDockActionSource(DockActionSource source)
source
- the source from which DockActions
are fetched,
must not be null
public java.util.Iterator<DockAction> iterator()
public void addDockActionSourceListener(DockActionSourceListener listener)
DockActionSource
DockActionSourceListener
should
be informed whenever some DockActions
are added or
removed from this source.addDockActionSourceListener
in interface DockActionSource
addDockActionSourceListener
in class AbstractDockActionSource
listener
- The listenerpublic void removeDockActionSourceListener(DockActionSourceListener listener)
DockActionSource
removeDockActionSourceListener
in interface DockActionSource
removeDockActionSourceListener
in class AbstractDockActionSource
listener
- The listener to removeDockActionSource.addDockActionSourceListener(DockActionSourceListener)
public DockAction getDockAction(int index)
DockActionSource
DockAction
of this source.index
- The index of the actionpublic int getDockActionCount()
DockActionSource
DockActions
which are
provided by this source.DockActions
public LocationHint getLocationHint()
DockActionSource
ActionOffer
can choose to ignore these hints, or interpret
them in an unexpected way.public void refresh()
DockActionSourceListener
if the state of an action changed.protected abstract boolean include(DockAction action)
action
should be included in the list of
actions of this source, or not.action
- the action to testtrue
if action
should be shown