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diva.canvas.toolbox
Class LabelWrapper

java.lang.Object
 extended bydiva.canvas.AbstractFigure
 extended bydiva.canvas.toolbox.LabelWrapper

All Implemented Interfaces:

CanvasComponent, Figure, UserObjectContainer, VisibleComponent

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public class LabelWrapper

extends AbstractFigure

A LabelWrapper is a figure that attaches a label to some other figure. The location at which the label is attached can (in this class) be set to the center or to any of the four edges or corners of the bounding box. (Maybe later we'll figure out a way to have the label locate at a site.) In addition, the anchor and padding attributes of the figure itself can be used to adjust the label location relative to the anchoring point on the main figure.

Note that this class is intended for use in simple applications where a simple label is attached to something. For more complex applications, such as attaching multiple labels, you will need to implement your own class.

Version:

$Id: LabelWrapper.java,v 1.11 2005年07月08日 19:54:58 cxh Exp $

Author:

John Reekie

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Constructor Summary

LabelWrapper(Figure f, java.lang.String label) Construct a new figure with the given child figure and the given string.

Method Summary
java.awt.geom.Rectangle2D	getBounds() Get the bounds of this figure.
Figure	getChild() Get the child figure
LabelFigure	getLabel() Get the label.
java.awt.Shape	getShape() Get the shape of this figure.
boolean	hit(java.awt.geom.Rectangle2D r) We are hit if either the child or the figure is hit.
void	paint(java.awt.Graphics2D g) Paint this figure
void	setAnchor(int anchor) Set the anchor of the label.
void	transform(java.awt.geom.AffineTransform at) Transform the figure with the supplied transform.

Methods inherited from class diva.canvas.AbstractFigure

contains, getInteractor, getLayer, getOrigin, getParent, getToolTipText, getTransformContext, getUserObject, intersects, isVisible, paint, repaint, repaint, setInteractor, setParent, setToolTipText, setUserObject, setVisible, translate

Methods inherited from class java.lang.Object

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

Constructor Detail

LabelWrapper

public LabelWrapper(Figure f,
 java.lang.String label)

Construct a new figure with the given child figure and the given string.

Method Detail

getBounds

public java.awt.geom.Rectangle2D getBounds()

Get the bounds of this figure.

Specified by:

getBounds in interface Figure

Overrides:

getBounds in class AbstractFigure

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getChild

public Figure getChild()

Get the child figure

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getLabel

public LabelFigure getLabel()

Get the label. This can be used to adjust the label appearance, anchor, and so on.

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getShape

public java.awt.Shape getShape()

Get the shape of this figure. This is the shape of the child figure only -- the label is not included in the shape.

Specified by:

getShape in interface Figure

Specified by:

getShape in class AbstractFigure

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hit

public boolean hit(java.awt.geom.Rectangle2D r)

We are hit if either the child or the figure is hit.

Specified by:

hit in interface Figure

Overrides:

hit in class AbstractFigure

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paint

public void paint(java.awt.Graphics2D g)

Paint this figure

Specified by:

paint in interface VisibleComponent

Specified by:

paint in class AbstractFigure

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setAnchor

public void setAnchor(int anchor)

Set the anchor of the label. The anchor is the position on the child figure at which the label will be located. It can be any of the positioning constants defined in SwingConstants.

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transform

public void transform(java.awt.geom.AffineTransform at)

Transform the figure with the supplied transform.

Specified by:

transform in interface Figure

Specified by:

transform in class AbstractFigure

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