org.progeeks.util.swing
Class AbstractFocusedContextAction
java.lang.Object
javax.swing.AbstractAction
org.progeeks.util.swing.AbstractContextAction
org.progeeks.util.swing.AbstractFocusedContextAction
- All Implemented Interfaces:
- java.awt.event.ActionListener, java.io.Serializable, java.lang.Cloneable, java.util.EventListener, javax.swing.Action, ViewContextAware
public abstract class AbstractFocusedContextAction
- extends AbstractContextAction
Specialization of the AbstractContextAction that provides automatic
focus watching when the context is a focused context. An abstract
focusChanged() method is called whenever the context or focus
of a FocusedContext has changed.
- Version:
- $Revision: 1.4 $
- Author:
- Paul Speed
- See Also:
- Serialized Form
Fields inherited from class javax.swing.AbstractAction |
changeSupport, enabled |
Fields inherited from interface javax.swing.Action |
ACCELERATOR_KEY, ACTION_COMMAND_KEY, DEFAULT, LONG_DESCRIPTION, MNEMONIC_KEY, NAME, SHORT_DESCRIPTION, SMALL_ICON |
Method Summary |
protected java.lang.Object |
clone()
Make sure to clean-up some local references that shouldn't be cloned. |
protected abstract void |
focusChanged()
Called when the context or the focus of a reference FocusedContext
changes. |
protected java.lang.Object |
getFocus()
Returns the current focus object if the attached context is
a FocusedContext. |
protected java.util.List |
getFocusedObjects()
Returns the current list of focused objects it the attached
context is a MultiFocusedContext. |
void |
setViewContext(ViewContext context)
Overridden to setup listeners on FocusedContexts that we're attached to. |
Methods inherited from class javax.swing.AbstractAction |
addPropertyChangeListener, firePropertyChange, getKeys, getPropertyChangeListeners, getValue, isEnabled, putValue, removePropertyChangeListener, setEnabled |
Methods inherited from class java.lang.Object |
equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Methods inherited from interface java.awt.event.ActionListener |
actionPerformed |
AbstractFocusedContextAction
protected AbstractFocusedContextAction()
AbstractFocusedContextAction
protected AbstractFocusedContextAction(java.lang.String name)
AbstractFocusedContextAction
protected AbstractFocusedContextAction(java.lang.String name,
javax.swing.Icon icon)
focusChanged
protected abstract void focusChanged()
- Called when the context or the focus of a reference FocusedContext
changes. It is up to the subclass to decide whether or not to
enabled themselves, or change the name, etc. based on the context
or the focus.
getFocus
protected java.lang.Object getFocus()
- Returns the current focus object if the attached context is
a FocusedContext. Otherwise, this method returns null.
getFocusedObjects
protected java.util.List getFocusedObjects()
- Returns the current list of focused objects it the attached
context is a MultiFocusedContext. Otherwise, this method returns
a list with just the result of getFocus() in it if getFocus() is
non-null or an empty list of no objects have the focus.
clone
protected java.lang.Object clone()
throws java.lang.CloneNotSupportedException
- Make sure to clean-up some local references that shouldn't be cloned.
- Overrides:
clone
in class AbstractContextAction
- Throws:
java.lang.CloneNotSupportedException
setViewContext
public void setViewContext(ViewContext context)
- Overridden to setup listeners on FocusedContexts that we're attached to.
- Specified by:
setViewContext
in interface ViewContextAware
- Overrides:
setViewContext
in class AbstractContextAction
Copyright © 2002-2003 Paul Speed. All Rights Reserved.