public abstract class ALcyCameraLinker extends Object implements ILcdPropertyChangeSource
Implementations of this class should do all that is necessary to set the tracking camera on the view, and/or enable a specialized controller, and be able to revert back to the state before the tracking was enabled. Implementations will typically need to know a list of objects, their models, and a map component.
For workspace support, a ALcyWorkspaceObjectCodec for each ALcyCameraLinker implementation should be created.
An ALcyCameraLinker is created by a ALcyCameraLinkerFactory
Constructor and Description |
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ALcyCameraLinker()
Creates a new
ALcyCameraLinker |
Modifier and Type | Method and Description |
---|---|
void |
addPropertyChangeListener(PropertyChangeListener aListener)
Registers the given
PropertyChangeListener to be notified when this object's
properties change. |
void |
addPropertyChangeListener(String aProperty,
PropertyChangeListener aListener)
Adds the given listener to the list of listeners, so that it will receive notifications
about changes in
aProperty . |
protected void |
firePropertyChange(String aProperty,
Object aOldValue,
Object aNewValue)
Fires the given event to the associated listeners.
|
abstract boolean |
isLinked()
Check if the camera is linked.
|
void |
removePropertyChangeListener(PropertyChangeListener aListener)
De-registers the given
PropertyChangeListener from receiving property change events
for this object. |
void |
removePropertyChangeListener(String aProperty,
PropertyChangeListener aListener)
Removes the given listener for the given property, so that it no longer receives
those change events.
|
abstract void |
setLinked(boolean aLinked)
Link or unlink the camera.
|
public abstract void setLinked(boolean aLinked)
aLinked
- Whether or not to link the camera.public abstract boolean isLinked()
public void addPropertyChangeListener(PropertyChangeListener aListener)
ILcdPropertyChangeSource
Registers the given PropertyChangeListener
to be notified when this object's
properties change.
In case you need to register a listener which keeps a reference to an object with a shorter life-time than this change source,
you can use a ALcdWeakPropertyChangeListener
instance as property change listener.
addPropertyChangeListener
in interface ILcdPropertyChangeSource
aListener
- The listener to be notifiedALcdWeakPropertyChangeListener
,
ILcdPropertyChangeSource.removePropertyChangeListener(java.beans.PropertyChangeListener)
public void addPropertyChangeListener(String aProperty, PropertyChangeListener aListener)
aProperty
.aProperty
- The property to watch for changes.aListener
- The listener to add.public void removePropertyChangeListener(PropertyChangeListener aListener)
ILcdPropertyChangeSource
De-registers the given PropertyChangeListener
from receiving property change events
for this object.
If the listener was added more than once, it will be notified one less time after being
removed.
If the listener is null
, or was never added, no exception is thrown and no action is taken.
removePropertyChangeListener
in interface ILcdPropertyChangeSource
aListener
- the listener that should no longer be notified of changes of
this object's propertiesILcdPropertyChangeSource.addPropertyChangeListener(java.beans.PropertyChangeListener)
public void removePropertyChangeListener(String aProperty, PropertyChangeListener aListener)
aProperty
- The property to stop listening to.aListener
- The listener to remove.