abstractpublic class AbstractCursorTool implements CursorTool(Code)
A tool that draws an XOR visual indicator. Subclasses need not keep track of
the XOR state of the indicator -- that logic is all handled by this class.
Even if the LayerViewPanel is repainted while the XOR indicator is on-screen.
reportNothingToUndoYet() Notifies the UndoManager that this PlugIn did not modify any model
states, and therefore the undo history should remain unchanged.
Notifies the UndoManager that this PlugIn did not modify any model
states, and therefore the undo history should remain unchanged. Call this
method inside #execute(PlugInContext).