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java.lang.Object bibliothek.gui.dock.control.focus.DefaultMouseFocusObserver
public class DefaultMouseFocusObserver
This implementation of a MouseFocusObserver
offers methods to handle
FocusVetoListener
s and registers a VetoableDockRelocatorListener
. On a
drop event
this observer
will automatically transfer the focus to the dropped Dockable
.
Constructor Summary | |
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DefaultMouseFocusObserver(DockController controller,
ControllerSetupCollection setup)
Creates a new FocusController. |
Method Summary | |
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protected void |
check(AWTEvent event)
Lets check this controller whether the focus should change, or not. |
protected void |
check(Component component,
AWTEvent event)
Tries to find the Dockable which owns component
and sets this Dockable to the focusedDockable. |
protected void |
check(Component component,
boolean ensureFocus,
boolean requestFocusInWindow,
AWTEvent event)
Tries to find the Dockable which owns component
and sets this Dockable to the focusedDockable. |
void |
check(MouseEvent event)
This method may be called at any time by any component that received the MouseEvent event . |
void |
check(MouseWheelEvent event)
This method may be called at any time by any component that received the MouseWheelEvent event . |
DockController |
getController()
Gets the affected controller. |
protected DockElementRepresentative |
getDockable(Component component,
AWTEvent event)
Gets the top-dockable which has component or
parent of component as base Component. |
protected void |
handleVeto(AWTEvent event,
FocusVetoListener.FocusVeto veto)
Handles the veto that was given when trying to forward event . |
protected boolean |
interact(AWTEvent event)
Tells whether this event should change the focus. |
void |
kill()
Stops this FocusController. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public DefaultMouseFocusObserver(DockController controller, ControllerSetupCollection setup)
controller
- the controller which will be informed about
focus-changessetup
- an observable informing this object when controller
is set up.Method Detail |
---|
public void kill()
kill
in interface MouseFocusObserver
public DockController getController()
getController
in interface MouseFocusObserver
public void check(MouseEvent event)
MouseEvent
event
. This observer may transfer the
focus because of this call.restricted environment
than any DockStation
of this framework will call this method.
event
- the event to checkpublic void check(MouseWheelEvent event)
MouseWheelEvent
event
. This observer may transfer the
focus because of this call.restricted environment
than any DockStation
of this framework will call this method.
event
- the event to checkprotected void check(AWTEvent event)
event
is
allowed to change the focus or not. This check can be done through the
method interact(AWTEvent)
.
event
- The event to react on.interact(AWTEvent)
protected boolean interact(AWTEvent event)
event
- the event
true
if the focus could be changedprotected void handleVeto(AWTEvent event, FocusVetoListener.FocusVeto veto)
event
. The default implementation calls
InputEvent.consume()
to get rid of the event.
event
- the event to handleveto
- which veto was called by a FocusVetoListener
protected void check(Component component, AWTEvent event)
component
and sets this Dockable to the focusedDockable. The method
only succeeds if no veto-listener reacts.
component
- the component whose dockable parent is to set
focusedevent
- the event that causes this checkprotected void check(Component component, boolean ensureFocus, boolean requestFocusInWindow, AWTEvent event)
component
and sets this Dockable to the focusedDockable. The method
only succeeds if no veto-listener reacts.
component
- the component whose dockable parent is to set
focusedensureFocus
- whether the DockController should ensure
that the focus is set correctly or not.requestFocusInWindow
- whether Component.requestFocusInWindow()
should be
called or notevent
- the event that causes this checkprotected DockElementRepresentative getDockable(Component component, AWTEvent event)
component
or
parent of component
as base Component.
component
- a Componentevent
- the event that causes this check
null
if nothing was found
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