org.jhotdraw.draw
Class LabeledLineConnectionFigure

java.lang.Object
  org.jhotdraw.draw.AbstractFigure
      org.jhotdraw.draw.AttributedFigure
          org.jhotdraw.draw.BezierFigure
              org.jhotdraw.draw.LineFigure
                  org.jhotdraw.draw.LineConnectionFigure
                      org.jhotdraw.draw.LabeledLineConnectionFigure

All Implemented Interfaces:

java.io.Serializable, java.lang.Cloneable, CompositeFigure, ConnectionFigure, Figure, DOMStorable

public class LabeledLineConnectionFigure
extends LineConnectionFigure
implements CompositeFigure

A LineConnection with labels.

See Also:

Serialized Form

Field Summary

Fields inherited from class org.jhotdraw.draw.BezierFigure

CLOSED, path

Fields inherited from class org.jhotdraw.draw.AbstractFigure

changingDepth, decorator, listenerList

Fields inherited from interface org.jhotdraw.draw.CompositeFigure

LAYOUT_INSETS

Constructor Summary

LabeledLineConnectionFigure()
Creates a new instance.

Method Summary

void	add(Figure figure) Adds a child to the figure.
void	add(int index, Figure figure) Adds a child to the figure at the specified index.
void	addNotify(Drawing drawing) Informs a figure, that it has been added to the specified drawing.
void	basicAdd(Figure figure) Adds a child to the figure without firing events.
void	basicAdd(int index, Figure figure) Adds a child to the figure at the specified index without firing events.
boolean	basicRemove(Figure figure) Removes the specified child without firing events.
void	basicRemoveAllChildren() Removes all children from the composite figure without firing events.
Figure	basicRemoveChild(int index) Removes the child at the specified index without firing events.
void	basicSetBounds(java.awt.geom.Point2D.Double anchor, java.awt.geom.Point2D.Double lead) Sets the logical bounds of the figure and of its decorator figure.
void	basicTransform(java.awt.geom.AffineTransform tx) Transforms the figure.
LabeledLineConnectionFigure	clone() Informs that a figure changed the area of its display box.
boolean	contains(java.awt.geom.Point2D.Double p) Checks if a point is contained by the figure.
void	drawFigure(java.awt.Graphics2D g) Draw the figure.
Figure	findFigureInside(java.awt.geom.Point2D.Double p) Returns the figure that contains the given point.
java.awt.geom.Rectangle2D.Double	getBounds() Returns the logical bounds of the figure as a Rectangle.
Figure	getChild(int index) Returns the child figure at the specified index.
int	getChildCount() Returns the number of children.
java.util.List<Figure>	getChildren() Returns an unchangeable list view on the children.
java.util.List<Figure>	getChildrenFrontToBack() Returns an iterator to iterate in Z-order front to back over the children.
java.awt.geom.Rectangle2D.Double	getFigureDrawBounds()
Layouter	getLayouter() Get a Layouter object which encapsulated a layout algorithm for this figure.
void	invalidate() Informs that a figure needs to be redrawn.
protected void	invalidateBounds()
void	layout() A layout algorithm is used to define how the child components should be laid out in relation to each other.
void	remap(java.util.HashMap<Figure,Figure> oldToNew)
boolean	remove(Figure figure) Removes the specified child.
void	removeAllChildren() Removes all children from the composite figure.
Figure	removeChild(int index) Removes the child at the specified index.
void	removeNotify(Drawing drawing) Informs a figure, that it has been removed from the specified drawing.
void	set(int index, Figure child)
void	setAttribute(AttributeKey key, java.lang.Object newValue) Sets an attribute of the figure.
void	setLayouter(Layouter newLayouter) Set a Layouter object which encapsulated a layout algorithm for this figure.
void	updateConnection() Updates the connection.
void	validate()

Methods inherited from class org.jhotdraw.draw.LineConnectionFigure

basicSetEndConnector, basicSetNode, basicSetStartConnector, canConnect, canConnect, canConnect, connectsSame, createHandles, getBezierPath, getEndConnector, getEndFigure, getLiner, getStartConnector, getStartFigure, handleConnect, handleDisconnect, handleMouseClick, lineout, read, readLiner, readPoints, remap, reverseConnection, setEndConnector, setEndPoint, setLiner, setPoint, setStartConnector, setStartPoint, write, writeLiner, writePoints

Methods inherited from class org.jhotdraw.draw.BezierFigure

addNode, addNode, basicAddNode, basicAddNode, basicJoinSegments, basicJoinSegments, basicRemoveAllNodes, basicRemoveNode, basicSetAttribute, basicSetBezierPath, basicSetEndPoint, basicSetPoint, basicSetPoint, basicSetStartPoint, basicSplitSegment, basicSplitSegment, chop, drawCaps, drawFill, drawStroke, findCompatibleConnector, findConnector, findNode, findSegment, getCappedPath, getCenter, getEndPoint, getNode, getNodeCount, getOutermostPoint, getPoint, getPoint, getPointCount, getPointOnPath, getRestoreData, getStartPoint, invalidateCappedPath, isClosed, removeAllNodes, removeNode, restoreTo, setClosed, setNode, setPoint

Methods inherited from class org.jhotdraw.draw.AttributedFigure

applyAttributesTo, drawConnectors, drawText, getAttribute, getAttributeKey, getAttributes, getStroke, getStrokeMiterLimitFactor, hasAttribute, isAttributeEnabled, readAttributes, removeAttribute, setAttributeEnabled, setAttributes, writeAttributes

Methods inherited from class org.jhotdraw.draw.AbstractFigure

addFigureListener, addUndoableEditListener, basicClone, changed, draw, drawDecorator, fireAreaInvalidated, fireAreaInvalidated, fireAttributeChanged, fireFigureAdded, fireFigureChanged, fireFigureChanged, fireFigureChanged, fireFigureRemoved, fireFigureRequestRemove, fireUndoableEditHappened, getActions, getChangingDepth, getCourtingConnection, getCursor, getDecomposition, getDecorator, getDrawBounds, getDrawing, getFontRenderContext, getLayer, getLock, getPreferredSize, getTool, getTooltip, handleDrop, includes, isChanging, isConnectorsVisible, isDrawDecoratorFirst, isInteractive, isVisible, removeFigureListener, removeUndoableEditListener, requestRemove, setBounds, setBounds, setConnectorsVisible, setDecorator, setDrawDecoratorFirst, setInteractive, setVisible, toString, transform, updateDecoratorBounds, willChange

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.jhotdraw.draw.Figure

addFigureListener, addUndoableEditListener, basicSetAttribute, canConnect, changed, createHandles, draw, findCompatibleConnector, findConnector, getActions, getAttribute, getAttributes, getCursor, getDecomposition, getDecorator, getDrawBounds, getEndPoint, getLayer, getPreferredSize, getRestoreData, getStartPoint, getTool, getTooltip, handleDrop, handleMouseClick, includes, isConnectorsVisible, isInteractive, isVisible, remap, removeFigureListener, removeUndoableEditListener, requestRemove, restoreTo, setConnectorsVisible, setDecorator, setVisible, willChange

Methods inherited from interface org.jhotdraw.xml.DOMStorable

read, write

Methods inherited from interface org.jhotdraw.draw.ConnectionFigure

getEndPoint, getPoint, getPointCount, getStartPoint

Constructor Detail

LabeledLineConnectionFigure

public LabeledLineConnectionFigure()

Creates a new instance.

Method Detail

drawFigure

public void drawFigure(java.awt.Graphics2D g)

Draw the figure. This method is delegated to the encapsulated presentation figure.

Overrides:

drawFigure in class AttributedFigure

basicTransform

public void basicTransform(java.awt.geom.AffineTransform tx)

Transforms the figure.

Specified by:

basicTransform in interface Figure

Overrides:

basicTransform in class LineConnectionFigure

Parameters:

tx - The transformation.

basicSetBounds

public void basicSetBounds(java.awt.geom.Point2D.Double anchor,
                           java.awt.geom.Point2D.Double lead)

Description copied from interface: Figure

Sets the logical bounds of the figure and of its decorator figure.

This is used by Tool's which create a new Figure and by Tool's which connect a Figure to another Figure.

This is a basic operation which does not fire events.

Specified by:

basicSetBounds in interface Figure

Overrides:

basicSetBounds in class BezierFigure

Parameters:

anchor - the start point of the bounds

lead - the end point of the bounds

See Also:

Figure.getBounds()

getBounds

public java.awt.geom.Rectangle2D.Double getBounds()

Description copied from interface: Figure

Returns the logical bounds of the figure as a Rectangle. The logical bounds are used by some Handle objects for adjusting the figure.

Specified by:

getBounds in interface Figure

Overrides:

getBounds in class BezierFigure

getFigureDrawBounds

public java.awt.geom.Rectangle2D.Double getFigureDrawBounds()

Overrides:

getFigureDrawBounds in class BezierFigure

contains

public boolean contains(java.awt.geom.Point2D.Double p)

Description copied from interface: Figure

Checks if a point is contained by the figure.

This is used for hit testing by Tool's.

Specified by:

contains in interface Figure

Overrides:

contains in class BezierFigure

invalidateBounds

protected void invalidateBounds()

setAttribute

public void setAttribute(AttributeKey key,
                         java.lang.Object newValue)

Sets an attribute of the figure. AttributeKey name and semantics are defined by the class implementing the figure interface.

Specified by:

setAttribute in interface Figure

Overrides:

setAttribute in class AttributedFigure

findFigureInside

public Figure findFigureInside(java.awt.geom.Point2D.Double p)

Description copied from interface: Figure

Returns the figure that contains the given point.

Specified by:

findFigureInside in interface Figure

Overrides:

findFigureInside in class AbstractFigure

updateConnection

public void updateConnection()

Description copied from interface: ConnectionFigure

Updates the connection. FIXME - What das this do?

Specified by:

updateConnection in interface ConnectionFigure

Overrides:

updateConnection in class LineConnectionFigure

getChildren

public java.util.List<Figure> getChildren()

Description copied from interface: CompositeFigure

Returns an unchangeable list view on the children.

Specified by:

getChildren in interface CompositeFigure

getChildCount

public int getChildCount()

Description copied from interface: CompositeFigure

Returns the number of children.

Specified by:

getChildCount in interface CompositeFigure

getChild

public Figure getChild(int index)

Description copied from interface: CompositeFigure

Returns the child figure at the specified index.

Specified by:

getChild in interface CompositeFigure

set

public void set(int index,
                Figure child)

getChildrenFrontToBack

public java.util.List<Figure> getChildrenFrontToBack()

Returns an iterator to iterate in Z-order front to back over the children.

add

public void add(Figure figure)

Description copied from interface: CompositeFigure

Adds a child to the figure. This is a convenience method for add(getChildCount(), child);

Specified by:

add in interface CompositeFigure

add

public void add(int index,
                Figure figure)

Description copied from interface: CompositeFigure

Adds a child to the figure at the specified index.

Specified by:

add in interface CompositeFigure

basicAdd

public void basicAdd(Figure figure)

Description copied from interface: CompositeFigure

Adds a child to the figure without firing events. This is a convenience method for basicAdd(getChildCount(), child);

Specified by:

basicAdd in interface CompositeFigure

basicAdd

public void basicAdd(int index,
                     Figure figure)

Description copied from interface: CompositeFigure

Adds a child to the figure at the specified index without firing events.

Specified by:

basicAdd in interface CompositeFigure

remove

public boolean remove(Figure figure)

Description copied from interface: CompositeFigure

Removes the specified child. Returns true, if the Figure contained the removed child.

Specified by:

remove in interface CompositeFigure

removeChild

public Figure removeChild(int index)

Description copied from interface: CompositeFigure

Removes the child at the specified index. Returns the removed child figure.

Specified by:

removeChild in interface CompositeFigure

basicRemove

public boolean basicRemove(Figure figure)

Description copied from interface: CompositeFigure

Removes the specified child without firing events. Returns true, if the Figure contained the removed child.

Specified by:

basicRemove in interface CompositeFigure

basicRemoveChild

public Figure basicRemoveChild(int index)

Description copied from interface: CompositeFigure

Removes the child at the specified index without firing events. Returns the removed child figure.

Specified by:

basicRemoveChild in interface CompositeFigure

removeAllChildren

public void removeAllChildren()

Description copied from interface: CompositeFigure

Removes all children from the composite figure.

Specified by:

removeAllChildren in interface CompositeFigure

basicRemoveAllChildren

public void basicRemoveAllChildren()

Description copied from interface: CompositeFigure

Removes all children from the composite figure without firing events.

Specified by:

basicRemoveAllChildren in interface CompositeFigure

getLayouter

public Layouter getLayouter()

Get a Layouter object which encapsulated a layout algorithm for this figure. Typically, a Layouter accesses the child components of this figure and arranges their graphical presentation.

Specified by:

getLayouter in interface CompositeFigure

Returns:

layout strategy used by this figure

setLayouter

public void setLayouter(Layouter newLayouter)

Description copied from interface: CompositeFigure

Set a Layouter object which encapsulated a layout algorithm for this figure. Typically, a Layouter accesses the child components of this figure and arranges their graphical presentation. It is a good idea to set the Layouter in the protected initialize() method so it can be recreated if a GraphicalCompositeFigure is read and restored from a StorableInput stream.

Specified by:

setLayouter in interface CompositeFigure

Parameters:

newLayouter - encapsulation of a layout algorithm.

layout

public void layout()

A layout algorithm is used to define how the child components should be laid out in relation to each other. The task for layouting the child components for presentation is delegated to a Layouter which can be plugged in at runtime.

Specified by:

layout in interface CompositeFigure

Overrides:

layout in class BezierFigure

invalidate

public void invalidate()

Description copied from class: AbstractFigure

Informs that a figure needs to be redrawn.

Specified by:

invalidate in interface Figure

Overrides:

invalidate in class BezierFigure

validate

public void validate()

Overrides:

validate in class LineConnectionFigure

addNotify

public void addNotify(Drawing drawing)

Description copied from interface: Figure

Informs a figure, that it has been added to the specified drawing. The figure must inform all FigureListeners that it has been added.

Specified by:

addNotify in interface Figure

Overrides:

addNotify in class LineConnectionFigure

removeNotify

public void removeNotify(Drawing drawing)

Description copied from interface: Figure

Informs a figure, that it has been removed from the specified drawing. The figure must inform all FigureListeners that it has been removed.

Specified by:

removeNotify in interface Figure

Overrides:

removeNotify in class LineConnectionFigure

clone

public LabeledLineConnectionFigure clone()

Informs that a figure changed the area of its display box. / public void changed() { if (isChangingCount == 1) { super.changed(); layout(); fireFigureChanged(getDrawBounds()); } else { invalidateBounds(); } isChangingCount--; }

Specified by:

clone in interface Figure

Overrides:

clone in class LineConnectionFigure

remap

public void remap(java.util.HashMap<Figure,Figure> oldToNew)

Overrides:

remap in class AbstractFigure