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public interface CVetoFocusListener
This listener is used to prevent a CDockable
from loosing or gaining
the focus. Events may happen such that the framework is unable to prevent the
focus from changing, e.g. if a CDockable
is closed.
Please use this listener with care, the workflow of the user may be seriously
hindered if the focus cannot be changed.
CControl.addVetoFocusListener(CVetoFocusListener)
,
CControl.removeVetoFocusListener(CVetoFocusListener)
Method Summary | |
---|---|
boolean |
willGainFocus(CDockable dockable)
Called before focus is transfered to dockable . |
boolean |
willLoseFocus(CDockable dockable)
Called before focus is transfered from dockable . |
Method Detail |
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boolean willGainFocus(CDockable dockable)
dockable
.
dockable
- the dockable that gets the focus
true
if this listener approves the action,
false
to speak out a vetoboolean willLoseFocus(CDockable dockable)
dockable
.
dockable
- the dockable that looses the focus
true
if this listener approves the action,
false
to speak out a veto
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