public abstract class ActionDisablingStrategyObserver
extends java.lang.Object
DockAction
with the current
DisablingStrategy
. It only requires the DockAction
to call bind(Dockable)
and unbind(Dockable)
in order to observe a Dockable
.Constructor and Description |
---|
ActionDisablingStrategyObserver(DockAction action)
Creates a new observer.
|
Modifier and Type | Method and Description |
---|---|
void |
bind(Dockable dockable)
Must be called to inform this observer that
dockable is to be observed. |
boolean |
isDisabled(Dockable dockable)
Tells whether the action of
dockable is disabled. |
protected abstract void |
setDisabled(Dockable dockable,
boolean disabled)
Called if the disabled state of the action changed.
|
protected abstract void |
setDisabled(java.util.Set<Dockable> dockable,
boolean disabled)
Called if an entire set of
Dockable s changed their state. |
void |
unbind(Dockable dockable)
Must be called to inform this observer that
dockable is no longer to be observed. |
public ActionDisablingStrategyObserver(DockAction action)
action
- the action whose disabled state will be monitored.public void bind(Dockable dockable)
dockable
is to be observed. Can be
called multiple times.dockable
- the item to observepublic void unbind(Dockable dockable)
dockable
is no longer to be observed.
Can be called multiple times.dockable
- the item to observeprotected abstract void setDisabled(Dockable dockable, boolean disabled)
dockable
- the dockable for which the state changeddisabled
- the new stateprotected abstract void setDisabled(java.util.Set<Dockable> dockable, boolean disabled)
Dockable
s changed their state.dockable
- the items that changed their statedisabled
- the new statepublic boolean isDisabled(Dockable dockable)
dockable
is disabled.dockable
- the element whose action state is searchedtrue
if the action is disabled, false
otherwise