diva.sketch

Class LassoSelectionAction

java.lang.Object

javax.swing.AbstractAction

diva.sketch.LassoSelectionAction

All Implemented Interfaces:

ActionListener, Serializable, Cloneable, EventListener, Action

public class LassoSelectionAction
extends AbstractAction

This class encapsulates lasso-style selection operation for pen interaction.

Version:

$Revision: 1.3 $

Author:

Michael Shilman (michaels@eecs.berkeley.edu)

See Also:

Serialized Form

Field Summary

Fields inherited from class javax.swing.AbstractAction

changeSupport, enabled

Fields inherited from interface javax.swing.Action

ACCELERATOR_KEY, ACTION_COMMAND_KEY, DEFAULT, DISPLAYED_MNEMONIC_INDEX_KEY, LARGE_ICON_KEY, LONG_DESCRIPTION, MNEMONIC_KEY, NAME, SELECTED_KEY, SHORT_DESCRIPTION, SMALL_ICON

Constructor Summary

Constructors

Constructor and Description
LassoSelectionAction(BasicInterpreter interp) Construct a lasso selection operator that executes within the given interpreter.

Method Summary

Modifier and Type	Method and Description
void	actionPerformed(ActionEvent evt) Treat the current stroke as a lasso selection if it is mostly closed.
protected void	toggleSelection(List hitFigures) Toggle the selection state of the given figures.

Methods inherited from class javax.swing.AbstractAction

addPropertyChangeListener, clone, firePropertyChange, getKeys, getPropertyChangeListeners, getValue, isEnabled, putValue, removePropertyChangeListener, setEnabled

Methods inherited from class java.lang.Object

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

Constructor Detail

LassoSelectionAction

public LassoSelectionAction(BasicInterpreter interp)

Construct a lasso selection operator that executes within the given interpreter.

Method Detail

actionPerformed

public void actionPerformed(ActionEvent evt)

Treat the current stroke as a lasso selection if it is mostly closed.

toggleSelection

protected void toggleSelection(List hitFigures)

Toggle the selection state of the given figures. Implemented as a template method so that subclasses can override the behavior.