org.jhotdraw.draw.action

Class GroupAction

java.lang.Object

javax.swing.AbstractAction

org.jhotdraw.draw.action.AbstractSelectedAction

org.jhotdraw.draw.action.GroupAction

All Implemented Interfaces:

java.awt.event.ActionListener, java.io.Serializable, java.lang.Cloneable, java.util.EventListener, javax.swing.Action, Disposable

Direct Known Subclasses:

CombineAction, UngroupAction

public class GroupAction
extends AbstractSelectedAction

GroupAction.

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String	ID

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
GroupAction(DrawingEditor editor) Creates a new instance.
GroupAction(DrawingEditor editor, CompositeFigure prototype)
GroupAction(DrawingEditor editor, CompositeFigure prototype, boolean isGroupingAction)

Method Summary

Modifier and Type	Method and Description
void	actionPerformed(java.awt.event.ActionEvent e)
protected boolean	canGroup()
protected boolean	canUngroup()
void	groupFigures(DrawingView view, CompositeFigure group, java.util.Collection<Figure> figures)
java.util.Collection<Figure>	ungroupFigures(DrawingView view, CompositeFigure group)
protected void	updateEnabledState() Updates the enabled state of this action to reflect the enabled state of the active DrawingView.

Methods inherited from class org.jhotdraw.draw.action.AbstractSelectedAction

dispose, fireUndoableEditHappened, getDrawing, getEditor, getView, isUpdatEnabledState, setEditor, setUpdateEnabledState

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

Field Detail

ID

public static final java.lang.String ID

See Also:

Constant Field Values

Constructor Detail

GroupAction

public GroupAction(DrawingEditor editor)

Creates a new instance.

GroupAction

public GroupAction(DrawingEditor editor,
                   CompositeFigure prototype)

GroupAction

public GroupAction(DrawingEditor editor,
                   CompositeFigure prototype,
                   boolean isGroupingAction)

Method Detail

updateEnabledState

protected void updateEnabledState()

Description copied from class: AbstractSelectedAction

Updates the enabled state of this action to reflect the enabled state of the active DrawingView. If no drawing view is active, this action is disabled.

Overrides:

updateEnabledState in class AbstractSelectedAction

canGroup

protected boolean canGroup()

canUngroup

protected boolean canUngroup()

actionPerformed

public void actionPerformed(java.awt.event.ActionEvent e)

ungroupFigures

public java.util.Collection<Figure> ungroupFigures(DrawingView view,
                                                   CompositeFigure group)

groupFigures

public void groupFigures(DrawingView view,
                         CompositeFigure group,
                         java.util.Collection<Figure> figures)