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java.lang.Objectorg.eclipse.core.commands.common.EventManager
org.eclipse.jface.action.AbstractAction
Some common functionality to share between implementations of
IAction
. This functionality deals with the property change
event mechanism.
Clients may neither instantiate nor extend this class.
Field Summary |
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Fields inherited from interface org.eclipse.jface.action.IAction |
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AS_CHECK_BOX, AS_DROP_DOWN_MENU, AS_PUSH_BUTTON, AS_RADIO_BUTTON, AS_UNSPECIFIED, CHECKED, DESCRIPTION, ENABLED, HANDLED, IMAGE, RESULT, TEXT, TOOL_TIP_TEXT |
Constructor Summary | |
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AbstractAction()
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Method Summary | |
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void |
addPropertyChangeListener(IPropertyChangeListener listener)
Adds a property change listener to this action. |
protected void |
firePropertyChange(PropertyChangeEvent event)
Notifies any property change listeners that a property has changed. |
protected void |
firePropertyChange(String propertyName,
Object oldValue,
Object newValue)
Notifies any property change listeners that a property has changed. |
void |
removePropertyChangeListener(IPropertyChangeListener listener)
Removes the given listener from this action. |
Methods inherited from class org.eclipse.core.commands.common.EventManager |
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addListenerObject, clearListeners, getListeners, isListenerAttached, removeListenerObject |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Methods inherited from interface org.eclipse.jface.action.IAction |
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getAccelerator, getActionDefinitionId, getDescription, getDisabledImageDescriptor, getHelpListener, getHoverImageDescriptor, getId, getImageDescriptor, getMenuCreator, getStyle, getText, getToolTipText, isChecked, isEnabled, isHandled, run, runWithEvent, setAccelerator, setActionDefinitionId, setChecked, setDescription, setDisabledImageDescriptor, setEnabled, setHelpListener, setHoverImageDescriptor, setId, setImageDescriptor, setMenuCreator, setText, setToolTipText |
Constructor Detail |
public AbstractAction()
Method Detail |
public void addPropertyChangeListener(IPropertyChangeListener listener)
IAction
addPropertyChangeListener
in interface IAction
listener
- a property change listenerprotected final void firePropertyChange(PropertyChangeEvent event)
event
- the property change eventIPropertyChangeListener.propertyChange(PropertyChangeEvent)
protected final void firePropertyChange(String propertyName, Object oldValue, Object newValue)
firePropertyChange(PropertyChangeEvent)
if there are.
propertyName
- the name of the property that has changedoldValue
- the old value of the property, or null
if nonenewValue
- the new value of the property, or null
if noneIPropertyChangeListener.propertyChange(PropertyChangeEvent)
public void removePropertyChangeListener(IPropertyChangeListener listener)
IAction
removePropertyChangeListener
in interface IAction
listener
- a property change listener
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Guidelines for using Eclipse APIs.
Copyright (c) IBM Corp. and others 2000, 2007. All rights reserved.