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## weka.core
Interface Undoable

All Known Implementing Classes:
  ArffPanel, ArffTableModel, ArffTableSorter

    public interface Undoable

Interface implemented by classes that support undo.

Version:
  $Revision: 1.1.2.1 $
Author:
  FracPete (fracpete at waikato dot ac dot nz)

Method Summary
`void` | `addUndoPoint()` adds an undo point to the undo history
`boolean` | `canUndo()` returns whether an undo is possible, i.e.
`void` | `clearUndo()` removes the undo history
`boolean` | `isUndoEnabled()` returns whether undo support is enabled
`void` | `setUndoEnabled(boolean enabled)` sets whether undo support is enabled
`void` | `undo()` undoes the last action

Method Detail

### isUndoEnabled

    boolean isUndoEnabled()

  returns whether undo support is enabled

### setUndoEnabled

    void setUndoEnabled(boolean enabled)

  sets whether undo support is enabled

### clearUndo

    void clearUndo()

  removes the undo history

### canUndo

    boolean canUndo()

  returns whether an undo is possible, i.e. whether there are any undo points saved so far

  Returns:
    returns TRUE if there is an undo possible

### undo

    void undo()

  undoes the last action

### addUndoPoint

    void addUndoPoint()

  adds an undo point to the undo history

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