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About

info.bioinfweb.treegraph.document.undo.edit
Class MoveSubtreeEdit

java.lang.Object
  info.bioinfweb.treegraph.document.undo.DocumentEdit
      info.bioinfweb.treegraph.document.undo.edit.MoveSubtreeEdit

All Implemented Interfaces:

UndoableEdit

public class MoveSubtreeEdit
extends DocumentEdit

Field Summary

protected boolean	down
protected Node	root

Fields inherited from class info.bioinfweb.treegraph.document.undo.DocumentEdit

document

Constructor Summary

MoveSubtreeEdit(Document document, Node root, boolean down)

Method Summary

String	getPresentationName()
private void	move(boolean down) Moves the subtree defined by root up or down.
void	redo()
void	undo()

Methods inherited from class info.bioinfweb.treegraph.document.undo.DocumentEdit

addEdit, canRedo, canUndo, die, getIsSubedit, getRedoPresentationName, getUndoPresentationName, isSignificant, replaceEdit, setIsSubedit

Methods inherited from class java.lang.Object

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

Field Detail

root

protected Node root

down

protected boolean down

Constructor Detail

MoveSubtreeEdit

public MoveSubtreeEdit(Document document,
                       Node root,
                       boolean down)

Method Detail

move

private void move(boolean down)

Moves the subtree defined by root up or down. Ths method must not be called if root...

• has no parent node.
• is the first child of the parent node and down is false.
• is the last child of the parent node and down is true.

redo

public void redo()
          throws CannotRedoException

Specified by:

redo in interface UndoableEdit

Overrides:

redo in class DocumentEdit

Throws:

CannotRedoException

undo

public void undo()
          throws CannotUndoException

Specified by:

undo in interface UndoableEdit

Overrides:

undo in class DocumentEdit

Throws:

CannotUndoException

getPresentationName

public String getPresentationName()