public class UndoAction extends JosmAction implements UndoRedoHandler.CommandQueueListener
JosmAction.ActiveLayerChangeAdapter, JosmAction.LayerChangeAdapter, JosmAction.SelectionChangeAdapter
sc
Constructor and Description |
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UndoAction()
Construct the action with "Undo" as label.
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Modifier and Type | Method and Description |
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void |
actionPerformed(java.awt.event.ActionEvent e) |
void |
commandChanged(int queueSize,
int redoSize)
Notifies the listener about the new queue size
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protected void |
updateEnabledState()
Override in subclasses to update the enabled state of the action when
something in the JOSM state changes, i.e.
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checkAndConfirmOutlyingOperation, destroy, getLayerManager, getShortcut, initEnabledState, installAdapters, listenToLayerChange, listenToSelectionChange, setTooltip, updateEnabledState, updateEnabledStateOnCurrentSelection, updateEnabledStateOnCurrentSelection, updateEnabledStateOnModifiableSelection, waitFuture
public UndoAction()
public void actionPerformed(java.awt.event.ActionEvent e)
actionPerformed
in interface java.awt.event.ActionListener
protected void updateEnabledState()
JosmAction
JosmAction.updateEnabledState(Collection)
to respond to changes in the collection
of selected primitives.
Default behavior is empty.updateEnabledState
in class JosmAction
JosmAction.updateEnabledState(Collection)
,
JosmAction.initEnabledState()
,
JosmAction.listenToLayerChange()
public void commandChanged(int queueSize, int redoSize)
UndoRedoHandler.CommandQueueListener
commandChanged
in interface UndoRedoHandler.CommandQueueListener
queueSize
- Undo stack sizeredoSize
- Redo stack size