Package ptolemy.vergil.kernel.attributes

Class EllipseAttribute

java.lang.Object

ptolemy.kernel.util.NamedObj

ptolemy.kernel.util.Attribute

ptolemy.vergil.kernel.attributes.VisibleAttribute

ptolemy.vergil.kernel.attributes.ShapeAttribute

ptolemy.vergil.kernel.attributes.FilledShapeAttribute

ptolemy.vergil.kernel.attributes.EllipseAttribute

All Implemented Interfaces:

java.lang.Cloneable, Changeable, Debuggable, DebugListener, Derivable, ModelErrorHandler, MoMLExportable, Moveable, Nameable

public class EllipseAttribute
extends FilledShapeAttribute

This is an attribute that is rendered as an ellipse. Unlike the base class, by default, an ellipse is centered on its origin.

Since:

Ptolemy II 4.0

Version:

$Id$

Author:

Edward A. Lee

Pt.AcceptedRating:

Red (cxh)

Pt.ProposedRating:

Yellow (eal)

Nested Class Summary

Nested classes/interfaces inherited from class ptolemy.kernel.util.NamedObj

NamedObj.ContainedObjectsIterator

Field Summary

Fields inherited from class ptolemy.vergil.kernel.attributes.FilledShapeAttribute

_centeredValue, _heightValue, _inAttributeChanged, _widthValue, centered, fillColor, height, width

Fields inherited from class ptolemy.vergil.kernel.attributes.ShapeAttribute

_icon, _none, dashArray, lineColor, lineWidth, rotation

Fields inherited from class ptolemy.kernel.util.NamedObj

_changeListeners, _changeLock, _changeRequests, _debugging, _debugListeners, _deferChangeRequests, _elementName, _isPersistent, _verbose, _workspace, ATTRIBUTES, CLASSNAME, COMPLETE, CONTENTS, DEEP, FULLNAME, LINKS

Constructor Summary

Constructors

Constructor	Description
EllipseAttribute(NamedObj container, java.lang.String name)	Construct an attribute with the given name contained by the specified container.

Method Summary

Modifier and Type	Method	Description
protected java.awt.Shape	_getDefaultShape()	Return a circle.
protected java.awt.Shape	_newShape()	Return the a new ellipse given a new width and height.
java.lang.Object	clone(Workspace workspace)	Clone the object into the specified workspace.

Methods inherited from class ptolemy.vergil.kernel.attributes.FilledShapeAttribute

attributeChanged

Methods inherited from class ptolemy.vergil.kernel.attributes.VisibleAttribute

moveToFirst, moveToLast

Methods inherited from class ptolemy.kernel.util.Attribute

_checkContainer, _getContainedObject, _propagateExistence, getContainer, moveDown, moveToIndex, moveUp, setContainer, setName, updateContent

Methods inherited from class ptolemy.kernel.util.NamedObj

_addAttribute, _adjustOverride, _attachText, _cloneFixAttributeFields, _containedDecorators, _copyChangeRequestList, _debug, _debug, _debug, _debug, _debug, _description, _executeChangeRequests, _exportMoMLContents, _getIndentPrefix, _isMoMLSuppressed, _markContentsDerived, _notifyHierarchyListenersAfterChange, _notifyHierarchyListenersBeforeChange, _propagateValue, _removeAttribute, _splitName, _stripNumericSuffix, _validateSettables, addChangeListener, addDebugListener, addHierarchyListener, attributeDeleted, attributeList, attributeList, attributeTypeChanged, clone, containedObjectsIterator, decorators, deepContains, depthInHierarchy, description, description, event, executeChangeRequests, exportMoML, exportMoML, exportMoML, exportMoML, exportMoML, exportMoMLPlain, getAttribute, getAttribute, getAttributes, getChangeListeners, getClassName, getDecoratorAttribute, getDecoratorAttributes, getDerivedLevel, getDerivedList, getDisplayName, getElementName, getFullName, getModelErrorHandler, getName, getName, getPrototypeList, getSource, handleModelError, isDeferringChangeRequests, isOverridden, isPersistent, lazyContainedObjectsIterator, message, notifyOfNameChange, propagateExistence, propagateValue, propagateValues, removeAttribute, removeChangeListener, removeDebugListener, removeHierarchyListener, requestChange, setClassName, setDeferringChangeRequests, setDerivedLevel, setDisplayName, setModelErrorHandler, setPersistent, setSource, sortContainedObjects, toplevel, toString, uniqueName, validateSettables, workspace

Methods inherited from class java.lang.Object

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

Constructor Detail

EllipseAttribute

public EllipseAttribute(NamedObj container,
                        java.lang.String name)
                 throws IllegalActionException,
                        NameDuplicationException

Construct an attribute with the given name contained by the specified container. The container argument must not be null, or a NullPointerException will be thrown. This attribute will use the workspace of the container for synchronization and version counts. If the name argument is null, then the name is set to the empty string. Increment the version of the workspace.

Parameters:

container - The container.

name - The name of this attribute.

Throws:

IllegalActionException - If the attribute is not of an acceptable class for the container, or if the name contains a period.

NameDuplicationException - If the name coincides with an attribute already in the container.

Method Detail

clone

public java.lang.Object clone(Workspace workspace)
                       throws java.lang.CloneNotSupportedException

Clone the object into the specified workspace. The new object is not added to the directory of that workspace (you must do this yourself if you want it there). The result is an object with no container.

Overrides:

clone in class FilledShapeAttribute

Parameters:

workspace - The workspace for the cloned object.

Returns:

The new Attribute.

Throws:

java.lang.CloneNotSupportedException - Not thrown in this base class

See Also:

NamedObj.exportMoML(Writer, int, String), NamedObj.setDeferringChangeRequests(boolean)

_getDefaultShape

protected java.awt.Shape _getDefaultShape()

Return a circle.

Overrides:

_getDefaultShape in class ShapeAttribute

Returns:

A Circle.

_newShape

protected java.awt.Shape _newShape()

Return the a new ellipse given a new width and height.

Specified by:

_newShape in class FilledShapeAttribute

Returns:

A new shape.