org.eclipse.gef.handles
Class AbstractHandle

java.lang.Object
  |
  +--org.eclipse.draw2d.Figure
        |
        +--org.eclipse.gef.handles.AbstractHandle

All Implemented Interfaces:

AncestorListener, Handle, IFigure

Direct Known Subclasses:

MoveHandle, SquareHandle

public abstract class AbstractHandle

extends Figure

implements Handle, AncestorListener

Base class for handles.

Inner classes inherited from class org.eclipse.draw2d.Figure

Figure.FigureIterator

Inner classes inherited from class org.eclipse.draw2d.AncestorListener

AncestorListener.Stub

Inner classes inherited from class org.eclipse.draw2d.IFigure

IFigure.NoInsets

Fields inherited from class org.eclipse.draw2d.Figure

bgColor, border, bounds, fgColor, flags, font, MAX_FLAG, maxSize, minSize, NO_MANAGER, prefSize, toolTip

Fields inherited from interface org.eclipse.draw2d.IFigure

MAX_DIMENSION, MIN_DIMENSION, NO_INSETS

Constructor Summary

AbstractHandle()

AbstractHandle(GraphicalEditPart owner, Locator loc)
Creates a handle for the given GraphicalEditPart using the given Locator.

AbstractHandle(GraphicalEditPart owner, Locator loc, Cursor c)
Creates a handle for the given GraphicalEditPart using the given Locator and Cursor.

Method Summary

void	addNotify() Adds this as a FigureListener to the owner's Figure.
void	ancestorAdded(IFigure ancestor)
void	ancestorMoved(IFigure ancestor)
void	ancestorRemoved(IFigure ancestor)
protected abstract DragTracker	createDragTracker()
Point	getAccessibleLocation()
Cursor	getDragCursor() Returns the Cursor that appears over the handle.
DragTracker	getDragTracker() Returns the handle tracker to use when dragging this handle.
Locator	getLocator() Returns the Locator associated with this handle.
protected GraphicalEditPart	getOwner() Returns the GraphicalEditPart associated with this handle.
protected IFigure	getOwnerFigure()
void	removeNotify()
void	setDragCursor(Cursor c) Sets the Cursor for the handle.
void	setDragTracker(DragTracker t)
protected void	setLocator(Locator locator)
protected void	setOwner(GraphicalEditPart editpart)
void	validate()

Methods inherited from class org.eclipse.draw2d.Figure

add, add, add, add, addAncestorListener, addFigureListener, addFocusListener, addKeyListener, addListener, addMouseListener, addMouseMotionListener, addPropertyChangeListener, addPropertyChangeListener, containsPoint, containsPoint, erase, findDescendantAtExcluding, findFigureAt, findFigureAt, findFigureAtExcluding, findMouseEventTargetAt, fireMoved, firePropertyChange, firePropertyChange, firePropertyChange, getBackgroundColor, getBorder, getBounds, getChildren, getClientArea, getClientArea, getCursor, getFlag, getFont, getForegroundColor, getInsets, getLayoutManager, getListeners, getLocation, getMaximumSize, getMinimumSize, getParent, getPreferredSize, getPreferredSize, getSize, getToolTip, getUpdateManager, handleFocusGained, handleFocusLost, handleKeyPressed, handleKeyReleased, handleMouseDoubleClicked, handleMouseDragged, handleMouseEntered, handleMouseExited, handleMouseHover, handleMouseMoved, handleMousePressed, handleMouseReleased, hasFocus, internalGetEventDispatcher, intersects, invalidate, isEnabled, isFocusTraversable, isMouseEventTarget, isOpaque, isRequestFocusEnabled, isValid, isValidationRoot, isVisible, layout, paint, paintBorder, paintChildren, paintClientArea, paintFigure, primTranslate, remove, removeAll, removeAncestorListener, removeFigureListener, removeFocusListener, removeListener, removeMouseListener, removeMouseMotionListener, removePropertyChangeListener, removePropertyChangeListener, repaint, repaint, repaint, requestFocus, revalidate, setBackgroundColor, setBorder, setBounds, setChildrenDirection, setChildrenEnabled, setChildrenOrientation, setConstraint, setCursor, setEnabled, setFlag, setFocusTraversable, setFont, setForegroundColor, setLayoutManager, setLocation, setMaximumSize, setMinimumSize, setOpaque, setParent, setPreferredSize, setPreferredSize, setRequestFocusEnabled, setSize, setSize, setToolTip, setUpdateManager, setValid, setVisible, translate, translateFromParent, translateToAbsolute, translateToParent, translateToRelative, useLocalCoordinates

Methods inherited from class java.lang.Object

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

Constructor Detail

AbstractHandle

public AbstractHandle()

AbstractHandle

public AbstractHandle(GraphicalEditPart owner,
                      Locator loc)

Creates a handle for the given GraphicalEditPart using the given Locator.

Parameters:

owner - The GraphicalEditPart this handle is attached to.

loc - The Locator that places the handle.

AbstractHandle

public AbstractHandle(GraphicalEditPart owner,
                      Locator loc,
                      Cursor c)

Creates a handle for the given GraphicalEditPart using the given Locator and Cursor.

Parameters:

owner - The GraphicalEditPart this handle is attached to.

loc - The Locator that places the handle.

c - The Cursor that will appear over the handle.

Method Detail

addNotify

public void addNotify()

Adds this as a FigureListener to the owner's Figure.

Overrides:

addNotify in class Figure

ancestorMoved

public void ancestorMoved(IFigure ancestor)

Specified by:

ancestorMoved in interface AncestorListener

ancestorAdded

public void ancestorAdded(IFigure ancestor)

Specified by:

ancestorAdded in interface AncestorListener

ancestorRemoved

public void ancestorRemoved(IFigure ancestor)

Specified by:

ancestorRemoved in interface AncestorListener

createDragTracker

protected abstract DragTracker createDragTracker()

getAccessibleLocation

public Point getAccessibleLocation()

Specified by:

getAccessibleLocation in interface Handle

getDragCursor

public Cursor getDragCursor()

Returns the Cursor that appears over the handle.

getDragTracker

public DragTracker getDragTracker()

Returns the handle tracker to use when dragging this handle.

Specified by:

getDragTracker in interface Handle

getLocator

public Locator getLocator()

Returns the Locator associated with this handle.

getOwner

protected GraphicalEditPart getOwner()

Returns the GraphicalEditPart associated with this handle.

getOwnerFigure

protected IFigure getOwnerFigure()

removeNotify

public void removeNotify()

Overrides:

removeNotify in class Figure

setDragCursor

public void setDragCursor(Cursor c)
                   throws Exception

Sets the Cursor for the handle.

setDragTracker

public void setDragTracker(DragTracker t)

setLocator

protected void setLocator(Locator locator)

setOwner

protected void setOwner(GraphicalEditPart editpart)

validate

public void validate()

Overrides:

validate in class Figure