Package com.inductiveautomation.ignition.designer

Class UndoManager

java.lang.Object

com.inductiveautomation.ignition.designer.UndoManager

public class UndoManager
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static interface	UndoManager.UndoAction
static class	UndoManager.UndoStack

Method Summary

Modifier and Type	Method	Description
void	add(UndoManager.UndoAction action)	Adds an undo action into the currently selected context
void	add(UndoManager.UndoAction action, Object context)	Adds an undo action for the given context.
void	destroyContext(Object context)
void	disableActions()
void	doRedo()
void	doUndo()
static UndoManager	getInstance()
Action	getRedoAction()
Object	getSelectedContext()
Action	getUndoAction()
void	reset()
void	setSelectedContext(Object context)	Called by the property change listener when the window changes, or by other contexts who manage their own selectedness
void	updateActions()	Called whenever things are added/removed to the current stack or the current stack changes, so the actions need to be updated b/c the top of the stack has effectively changed

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Details

getInstance

public static UndoManager getInstance()

updateActions

public void updateActions()

Called whenever things are added/removed to the current stack or the current stack changes, so the actions need to be updated b/c the top of the stack has effectively changed

disableActions

public void disableActions()

setSelectedContext

public void setSelectedContext(Object context)

Called by the property change listener when the window changes, or by other contexts who manage their own selectedness

Parameters:

context - An object that uniquely represents a portion of the UI that will be adding UndoAction objects. Optionally may implement UndoDelegateContext for UI areas that want to manage their own Undo/Redo stack.

destroyContext

public void destroyContext(Object context)

getSelectedContext

public Object getSelectedContext()

reset

public void reset()

getUndoAction

public Action getUndoAction()

getRedoAction

public Action getRedoAction()

doUndo

public void doUndo()

doRedo

public void doRedo()

add

public void add(UndoManager.UndoAction action)

Adds an undo action into the currently selected context

add

public void add(UndoManager.UndoAction action,
 Object context)

Adds an undo action for the given context.