com.rolemodelsoft.drawlet.examples.graphnode
Class GraphNode

java.lang.Object
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  +--com.rolemodelsoft.drawlet.basics.AbstractPaintable
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        +--com.rolemodelsoft.drawlet.basics.AbstractFigure
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              +--com.rolemodelsoft.drawlet.shapes.AbstractShape
                    |
                    +--com.rolemodelsoft.drawlet.shapes.FilledShape
                          |
                          +--com.rolemodelsoft.drawlet.shapes.AbstractRectangleShape
                                |
                                +--com.rolemodelsoft.drawlet.shapes.rectangles.RectangleShape
                                      |
                                      +--com.rolemodelsoft.drawlet.examples.graphnode.GraphNode

Direct Known Subclasses:

ArrowGraphNode

public class GraphNode

extends RectangleShape

implements LabelHolder

Here is a simple example of a graph node figure.

See Also:

Serialized Form

Field Summary

protected StringRenderer	renderer the renderer responsible for drawing the label.
protected java.lang.String	string the label associated with this graphnode.
protected java.awt.Color	textColor the color of the text in the graphnode.

Fields inherited from class com.rolemodelsoft.drawlet.shapes.AbstractRectangleShape

height, width, x, y

Fields inherited from class com.rolemodelsoft.drawlet.shapes.FilledShape

fillColor, lineColor

Fields inherited from class com.rolemodelsoft.drawlet.basics.AbstractFigure

listeners, locationListeners

Constructor Summary

GraphNode()

Method Summary

protected ConnectedLineCreationHandle	basicNewLineCreationHandle() Answer a new line creation handle
protected void	changedShape(java.awt.Rectangle rect) Denote that the shape changed.
protected void	changedSize(java.awt.Dimension dimension) Denote that size changed.
protected int	defaultHeight() Answer the default/initial value for height
protected java.lang.String	defaultString() Answer the default/initial value for string
protected java.awt.Color	defaultTextColor() Answer the default/initial value for textColor
protected int	defaultWidth() Answer the default/initial value for width
Handle	editTool(int x, int y) Answers a Handle that will provide editing capabilities on the receiver.
Handle[]	getHandles() Answer the handles associated with the receiver.
java.awt.Rectangle	getLabelBounds() Returns the current bounds of the label.
protected StringRenderer	getRenderer() Answer the renderer to paint the label.
java.lang.String	getString() Answer the string the figure paints.
DrawingStyle	getStyle() Answer the style which defines how to paint the figure.
java.awt.Color	getTextColor() Answer the Color to use when drawing text.
void	paint(java.awt.Graphics g) Paints the figure.
void	paintText(java.awt.Graphics original) Paints the text.
Locator	requestConnection(Figure requestor, int x, int y) Answers a Locator corresponding to a significant point on the receiver that will serve as a connection to the other figure.
protected void	resetSizeCache() Flush caches with respect to determining size.
void	setString(java.lang.String newString) Set the string the figure paints.
void	setStyle(DrawingStyle style) Set the style defining how to paint the figure.
void	setTextColor(java.awt.Color color) Set the Color to use when drawing text.

Methods inherited from class com.rolemodelsoft.drawlet.shapes.rectangles.RectangleShape

paintFilled, paintStrokes

Methods inherited from class com.rolemodelsoft.drawlet.shapes.AbstractRectangleShape

basicMove, basicReshape, basicResize, basicTranslate, defaultX, defaultY, getBounds, getSize

Methods inherited from class com.rolemodelsoft.drawlet.shapes.FilledShape

defaultFillColor, defaultLineColor, getFillColor, getLineColor, isOpaque, isStroked, setFillColor, setLineColor

Methods inherited from class com.rolemodelsoft.drawlet.shapes.AbstractShape

resetBoundsCache, reshapedPolygon, reshapedPolygon, setBounds, setSize

Methods inherited from class com.rolemodelsoft.drawlet.basics.AbstractFigure

addPropertyChangeListener, addRelatedLocationListener, changedLocation, contains, contains, contains, deleteLocationListeners, disconnect, duplicate, duplicateIn, estimatedDuplicateSize, figureFromLocator, fireLocationChange, firePropertyChange, firePropertyChange, fireRelationChange, fireShapeChange, fireSizeChange, getLocation, getLocator, intersects, intersects, isObsolete, isWithin, isWithin, locatorAt, move, move, postDuplicate, relatedLocationListeners, removePropertyChangeListener, removeRelatedLocationListener, resetLocationCache, setSize, translate

Methods inherited from class com.rolemodelsoft.drawlet.basics.AbstractPaintable

getBottom, getHeight, getLeft, getRight, getTop, getWidth

Methods inherited from class java.lang.Object

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

Field Detail

string

protected java.lang.String string

the label associated with this graphnode.

textColor

protected java.awt.Color textColor

the color of the text in the graphnode.

renderer

protected transient StringRenderer renderer

the renderer responsible for drawing the label.

Constructor Detail

GraphNode

public GraphNode()

Method Detail

basicNewLineCreationHandle

protected ConnectedLineCreationHandle basicNewLineCreationHandle()

Answer a new line creation handle

changedShape

protected void changedShape(java.awt.Rectangle rect)

Denote that the shape changed.

Overrides:

changedShape in class AbstractRectangleShape

Parameters:

rect - the old bounds.

changedSize

protected void changedSize(java.awt.Dimension dimension)

Denote that size changed.

Overrides:

changedSize in class AbstractFigure

Parameters:

dimension - the old dimensions.

defaultHeight

protected int defaultHeight()

Answer the default/initial value for height

Overrides:

defaultHeight in class AbstractRectangleShape

Returns:

an integer representing the default/initial value for height

defaultString

protected java.lang.String defaultString()

Answer the default/initial value for string

Returns:

a String representing the default/inital value for string

defaultTextColor

protected java.awt.Color defaultTextColor()

Answer the default/initial value for textColor

Returns:

a Color representing the default/initial value for textColor

defaultWidth

protected int defaultWidth()

Answer the default/initial value for width

Overrides:

defaultWidth in class AbstractRectangleShape

Returns:

an integer representing the default/initial value for width

editTool

public Handle editTool(int x,
                       int y)

Answers a Handle that will provide editing capabilities on the receiver.

Overrides:

editTool in class AbstractFigure

Parameters:

x - the x coordinate to potentially begin editing

y - the y coordinate to potentially begin editing

Returns:

a Handle that will provide editing capabilities on the receiver

getHandles

public Handle[] getHandles()

Answer the handles associated with the receiver.

Overrides:

getHandles in class AbstractShape

Returns:

an array of the Handles associated with the receiver

getLabelBounds

public java.awt.Rectangle getLabelBounds()

Returns the current bounds of the label.

Specified by:

getLabelBounds in interface LabelHolder

Returns:

a Rectangle representing the current bounds of the label

getRenderer

protected StringRenderer getRenderer()

Answer the renderer to paint the label.

Returns:

the StringRender to paint the label

getString

public java.lang.String getString()

Answer the string the figure paints.

Returns:

the String the figure paints

getStyle

public DrawingStyle getStyle()

Answer the style which defines how to paint the figure.

Overrides:

getStyle in class FilledShape

Returns:

the DrawingStyle which defines how to paint the figure

getTextColor

public java.awt.Color getTextColor()

Answer the Color to use when drawing text.

Returns:

the Color to use when drawing text

paint

public void paint(java.awt.Graphics g)

Paints the figure.

Overrides:

paint in class FilledShape

Parameters:

g - the specified Graphics window

paintText

public void paintText(java.awt.Graphics original)

Paints the text.

Parameters:

g - the specified Graphics window

requestConnection

public Locator requestConnection(Figure requestor,
                                 int x,
                                 int y)

Answers a Locator corresponding to a significant point on the receiver that will serve as a connection to the other figure. By default, make it the middle of the receiver. Subclasses may wish to do something more meaningful.

Overrides:

requestConnection in class AbstractFigure

Parameters:

x - the x coordinate of the requested locator

y - the y coordinate of the requested locator

resetSizeCache

protected void resetSizeCache()

Flush caches with respect to determining size. This is a hook method. Subclasses may wish to override.

Overrides:

resetSizeCache in class AbstractShape

setString

public void setString(java.lang.String newString)

Set the string the figure paints.

Parameters:

newString - the string to paint

setStyle

public void setStyle(DrawingStyle style)

Set the style defining how to paint the figure.

Overrides:

setStyle in class FilledShape

Parameters:

style - the specified DrawingStyle

setTextColor

public void setTextColor(java.awt.Color color)

Set the Color to use when drawing text.

Parameters:

color - the color