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Runtime

org.eclipse.gmf.runtime.draw2d.ui.figures
Class PolylineConnectionEx

java.lang.Object
  extended by 

org.eclipse.draw2d.Figure
      extended by 

org.eclipse.draw2d.Shape
          extended by 

org.eclipse.draw2d.AbstractPointListShape
              extended by 

org.eclipse.draw2d.Polyline
                  extended by 

org.eclipse.draw2d.PolylineConnection
                      extended by 
org.eclipse.gmf.runtime.draw2d.ui.figures.PolylineConnectionEx
All Implemented Interfaces:
AnchorListener, Connection, IFigure, IAnchorableFigure, IPolygonAnchorableFigure

public class PolylineConnectionEx
extends PolylineConnection
implements IPolygonAnchorableFigure

This is an extension of the PolylineConnection class to support avoid obstructions, smoothness and jump-links behavior.


Nested Class Summary
protected  class PolylineConnectionEx.JumpLink
          Inner class for storing the specific JumpLink information.
protected  class PolylineConnectionEx.JumpLinkSet
          Inner class for storing the set of JumpLink's associated with the polyline connection.
 
Nested classes/interfaces inherited from class org.eclipse.draw2d. Figure
Figure.FigureIterator, Figure.IdentitySearch
 
Nested classes/interfaces inherited from interface org.eclipse.draw2d. IFigure
IFigure.NoInsets
 
Field Summary
static int JUMPLINK_FLAG_ABOVE
          Flag indicates whether the connection will attempt to "jump" other connection above it in the z-order.
static int JUMPLINK_FLAG_ALL
          Flag indicates whether the connection will attempt to "jump" all other connections regardless of z-order.
static int JUMPLINK_FLAG_BELOW
          Flag indicates whether the connection will attempt to "jump" other connection below it in the z-order.
static int SMOOTH_LESS
          Some smoothness
static int SMOOTH_MORE
          More exagerated smoothness
static int SMOOTH_NONE
          No smoothness
static int SMOOTH_NORMAL
          Normal smoothness
 
Fields inherited from class org.eclipse.draw2d. Shape
lineStyle, lineWidth
 
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. Connection
PROPERTY_CONNECTION_ROUTER, PROPERTY_POINTS
 
Fields inherited from interface org.eclipse.draw2d. IFigure
MAX_DIMENSION, MIN_DIMENSION, NO_INSETS
 
Constructor Summary
PolylineConnectionEx ()
           
 
Method Summary
 void addPoint ( Point pt)
          Add a point to the polyline connection.
 boolean containsPoint (int x, int y)
          Determine if the polyline connection contains a given point.
protected   ConnectionAnchor createAnchor ( PrecisionPoint p)
          Creates a slidable anchor at the specified point (from the ratio of the reference's coordinates and bounds of the figure
protected   ConnectionAnchor createConnectionAnchor ( Point p)
          Returns a new anchor for this node figure.
protected   ConnectionAnchor createDefaultAnchor ()
          Creates the default Slidable anchor with a reference point at the center of the figure's bounds
 void dirtyAllJumpLinks ()
          Dirty all connection jump links in the diagram
 int findLineSegIndexOfPoint (int x, int y)
          Calculate the line segment index for a given point.
  Rectangle getBounds ()
          Returns the bounds which holds all the points in this polyline connection.
  ConnectionAnchor getConnectionAnchor (java.lang.String terminal)
          Given a string identifier, return the associated anchor for that identifier
protected  java.util.Hashtable getConnectionAnchors ()
          Returns the connectionAnchors.
 java.lang.String getConnectionAnchorTerminal ( ConnectionAnchor c)
          Dynamically allocates a new anchor if needed.
  Cursor getCursor ()
          Overriden to display special cursor when needed.
  PointList getPolygonPoints ()
          This method allows the implementing class to return a list of points that represent the polygon to be connected to.
 int getRoundedBendpointsRadius ()
          Returns the parameter indicating the arc radius for rounded bendpoints.
  PointList getRoundedCornersPoints (boolean calculateAppoxPoints)
          Returns the list of points for this connection when rounded bendpoints option is selected.
  Rectangle getSimpleBounds ()
          Method getShallowBounds.
protected  double getSlidableAnchorArea ()
          Specifies how large the area of the figure's bounds where SlidableAnchor will be created.
 int getSmoothness ()
          Gets the smoothness factor.
  PointList getSmoothPoints ()
          See getSmoothPoints(boolean calculateAppoxPoints)
  PointList getSmoothPoints (boolean calculateAppox)
          Returns points for this connection.
  ConnectionAnchor getSourceConnectionAnchorAt ( Point p)
          Gets the source connection anchor at a given point on the figure.
protected   RotatableDecoration getSourceDecoration ()
           
  ConnectionAnchor getTargetConnectionAnchorAt ( Point p)
          Gets the target connection anchor at a given point on the figure.
protected   RotatableDecoration getTargetDecoration ()
           
 void insertPoint ( Point pt, int index)
          Insert a point at the given index into the polyline connection.
 boolean isAvoidObstacleRouting ()
          Determines if this polyline connection is using avoid obstruction routing or not.
 boolean isClosestDistanceRouting ()
          Determines if this polyline connection is using closest distance routing or not.
protected  boolean isDefaultAnchorArea ( PrecisionPoint p)
          Checks whether the p which is a candidate for a relative reference for the SlidableAnchor belongs to the area where the default anchor must be created
 boolean isJumpLinksAngledIn ()
          Determines if the jump links are angled in or not.
 boolean isJumpLinksOnBottom ()
          Determines if the jump links are on the bottom of the polyline connection or not.
 boolean isJumpLinksSmooth ()
          Determines if the jump links are smooth or not.
 boolean isRoundingBendpoints ()
          Determines if the bendpoints should be rounded.
protected  void outlineShape ( Graphics g)
          Override the figure method "outlineShape" to draw the actual polyline connection shape.
 void refreshLine ()
          Provides a utility function for dirtying the jump links and repainting the line.
 void setForegroundColor ( Color fg)
           
 void setJumpLinks (boolean on)
          Turns on or off the jump links functionality.
 void setJumpLinksStyles (int jumpType, boolean curved, boolean angleIn, boolean onBottom)
          Set the jump links styles associated with the jump links functionality.
 void setLineDash (int[] dashes)
          Sets the line dash style.
 void setLineWidth (int w)
          Set the line width of the polyline connection.
 void setPoints ( PointList points)
          Sets the list of points to be used by this polyline connection.
 void setRoundedBendpointsRadius (int radius)
          Sets the parameter indicating the arc radius for rounded bendpoints.
 void setRoutingStyles (boolean closestDistance, boolean avoidObstacles)
          Set the overall routing styles for this polyline connection.
 void setSmoothness (int smooth)
          Sets the smoothness factor of this Connection that is reflected when the polyline is rendered.
 void setSourceDecoration ( RotatableDecoration dec)
           
 void setSourceDecoration ( RotatableDecoration dec, ConnectionLocator locator)
          Sets the decoration to be used at the start of the Connection.
 void setTargetDecoration ( RotatableDecoration dec)
           
 void setTargetDecoration ( RotatableDecoration dec, ConnectionLocator locator)
          Sets the decoration to be used at the end of the Connection.
 boolean shouldJumpLinks ()
          Determines if this polyline connection should use the jump links methodology or not.
 
Methods inherited from class org.eclipse.draw2d. PolylineConnection
addNotify, addRoutingListener, anchorMoved, getConnectionRouter, getRoutingConstraint, getSourceAnchor, getTargetAnchor, layout, removeNotify, removeRoutingListener, revalidate, setConnectionRouter, setRoutingConstraint, setSourceAnchor, setTargetAnchor
 
Methods inherited from class org.eclipse.draw2d. Polyline
fillShape, isOpaque, primTranslate, removeAllPoints, repaint, setTolerance, shapeContainsPoint
 
Methods inherited from class org.eclipse.draw2d. AbstractPointListShape
childrenContainsPoint, getEnd, getPoints, getStart, removePoint, setEnd, setEndpoints, setPoint, setStart
 
Methods inherited from class org.eclipse.draw2d. Shape
getAlpha, getAntialias, getLineAttributes, getLineCap, getLineDash, getLineDashOffset, getLineJoin, getLineMiterLimit, getLineStyle, getLineWidth, getLineWidthFloat, paintFigure, setAlpha, setAlpha, setAntialias, setAntialias, setFill, setFillXOR, setLineAttributes, setLineCap, setLineDash, setLineDashOffset, setLineJoin, setLineMiterLimit, setLineStyle, setLineWidthFloat, setOutline, setOutlineXOR, setXOR
 
Methods inherited from class org.eclipse.draw2d. Figure
add, add, add, add, addAncestorListener, addCoordinateListener, addFigureListener, addFocusListener, addKeyListener, addLayoutListener, addListener, addMouseListener, addMouseMotionListener, addPropertyChangeListener, addPropertyChangeListener, containsPoint, erase, findDescendantAtExcluding, findFigureAt, findFigureAt, findFigureAt, findFigureAtExcluding, findMouseEventTargetAt, findMouseEventTargetInDescendantsAt, fireCoordinateSystemChanged, fireFigureMoved, fireMoved, firePropertyChange, firePropertyChange, firePropertyChange, getBackgroundColor, getBorder, getChildren, getClientArea, getClientArea, getFlag, getFont, getForegroundColor, getInsets, getLayoutManager, getListeners, getLocalBackgroundColor, getLocalFont, getLocalForegroundColor, getLocation, getMaximumSize, getMinimumSize, getMinimumSize, getParent, getPreferredSize, getPreferredSize, getSize, getToolTip, getUpdateManager, handleFocusGained, handleFocusLost, handleKeyPressed, handleKeyReleased, handleMouseDoubleClicked, handleMouseDragged, handleMouseEntered, handleMouseExited, handleMouseHover, handleMouseMoved, handleMousePressed, handleMouseReleased, hasFocus, internalGetEventDispatcher, intersects, invalidate, invalidateTree, isCoordinateSystem, isEnabled, isFocusTraversable, isMirrored, isMouseEventTarget, isRequestFocusEnabled, isShowing, isValid, isValidationRoot, isVisible, paint, paintBorder, paintChildren, paintClientArea, remove, removeAll, removeAncestorListener, removeCoordinateListener, removeFigureListener, removeFocusListener, removeKeyListener, removeLayoutListener, removeListener, removeMouseListener, removeMouseMotionListener, removePropertyChangeListener, removePropertyChangeListener, repaint, repaint, requestFocus, setBackgroundColor, setBorder, setBounds, setChildrenDirection, setChildrenEnabled, setChildrenOrientation, setConstraint, setCursor, setEnabled, setFlag, setFocusTraversable, setFont, setLayoutManager, setLocation, setMaximumSize, setMinimumSize, setOpaque, setParent, setPreferredSize, setPreferredSize, setRequestFocusEnabled, setSize, setSize, setToolTip, setValid, setVisible, translate, translateFromParent, translateToAbsolute, translateToParent, translateToRelative, useLocalCoordinates, validate
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 
Methods inherited from interface org.eclipse.draw2d. Connection
getPoints
 
Methods inherited from interface org.eclipse.draw2d. IFigure
add, add, add, add, addAncestorListener, addCoordinateListener, addFigureListener, addFocusListener, addKeyListener, addLayoutListener, addMouseListener, addMouseMotionListener, addPropertyChangeListener, addPropertyChangeListener, containsPoint, erase, findFigureAt, findFigureAt, findFigureAt, findFigureAtExcluding, findMouseEventTargetAt, getBackgroundColor, getBorder, getChildren, getClientArea, getClientArea, getFont, getForegroundColor, getInsets, getLayoutManager, getLocalBackgroundColor, getLocalForegroundColor, getMaximumSize, getMinimumSize, getMinimumSize, getParent, getPreferredSize, getPreferredSize, getSize, getToolTip, getUpdateManager, handleFocusGained, handleFocusLost, handleKeyPressed, handleKeyReleased, handleMouseDoubleClicked, handleMouseDragged, handleMouseEntered, handleMouseExited, handleMouseHover, handleMouseMoved, handleMousePressed, handleMouseReleased, hasFocus, internalGetEventDispatcher, intersects, invalidate, invalidateTree, isCoordinateSystem, isEnabled, isFocusTraversable, isMirrored, isOpaque, isRequestFocusEnabled, isShowing, isVisible, paint, remove, removeAncestorListener, removeCoordinateListener, removeFigureListener, removeFocusListener, removeKeyListener, removeLayoutListener, removeMouseListener, removeMouseMotionListener, removePropertyChangeListener, removePropertyChangeListener, repaint, repaint, repaint, requestFocus, setBackgroundColor, setBorder, setBounds, setConstraint, setCursor, setEnabled, setFocusTraversable, setFont, setLayoutManager, setLocation, setMaximumSize, setMinimumSize, setOpaque, setParent, setPreferredSize, setRequestFocusEnabled, setSize, setSize, setToolTip, setVisible, translate, translateFromParent, translateToAbsolute, translateToParent, translateToRelative, validate
 

Field Detail

SMOOTH_NONE

public static final int SMOOTH_NONE
No smoothness

See Also:
Constant Field Values

SMOOTH_LESS

public static final int SMOOTH_LESS
Some smoothness

See Also:
Constant Field Values

SMOOTH_NORMAL

public static final int SMOOTH_NORMAL
Normal smoothness

See Also:
Constant Field Values

SMOOTH_MORE

public static final int SMOOTH_MORE
More exagerated smoothness

See Also:
Constant Field Values

JUMPLINK_FLAG_BELOW

public static final int JUMPLINK_FLAG_BELOW
Flag indicates whether the connection will attempt to "jump" other connection below it in the z-order.

See Also:
Constant Field Values

JUMPLINK_FLAG_ABOVE

public static final int JUMPLINK_FLAG_ABOVE
Flag indicates whether the connection will attempt to "jump" other connection above it in the z-order.

See Also:
Constant Field Values

JUMPLINK_FLAG_ALL

public static final int JUMPLINK_FLAG_ALL
Flag indicates whether the connection will attempt to "jump" all other connections regardless of z-order.

See Also:
Constant Field Values
Constructor Detail

PolylineConnectionEx

public PolylineConnectionEx()
Method Detail

refreshLine

public void refreshLine()
Provides a utility function for dirtying the jump links and repainting the line.


addPoint

public void addPoint(
Point pt)
Add a point to the polyline connection.

Overrides:
addPoint in class AbstractPointListShape

getBounds

public 
Rectangle getBounds()
Returns the bounds which holds all the points in this polyline connection. Returns any previously existing bounds, else calculates by unioning all the children's dimensions.

Specified by:
getBounds in interface IFigure
Overrides:
getBounds in class PolylineConnection
Returns:
Bounds to hold all the points.

getSimpleBounds

public 
Rectangle getSimpleBounds()
Method getShallowBounds.

Returns:
Rectangle

containsPoint

public boolean containsPoint(int x,
                             int y)
Determine if the polyline connection contains a given point.

Specified by:
containsPoint in interface IFigure
Overrides:
containsPoint in class Polyline
Parameters:
x - int value of the point to check containment of
y - int value of the point to check containment of.
Returns:
boolean true indicating containment, false otherwise.

findLineSegIndexOfPoint

public int findLineSegIndexOfPoint(int x,
                                   int y)
Calculate the line segment index for a given point. This is important for the drag tracker that add's bendpoints on a connection.

Parameters:
x - the x value in relative coordinates
y - the y value in relative coordinates
Returns:
the index of the line segment that is nearest to the given point.

getSmoothPoints

public 
PointList getSmoothPoints(boolean calculateAppox)
Returns points for this connection. If the smooth factor is turned on, then calculate the approximated smooth polyline for display or other purposes. If bendpoints need to be rounded, calculates points taking that into account. In that case, if calculateAprox is true, it will also calculate points that approximate corner arcs. If it is false, it will replace each bendpoint with two points that represent start and end of an arc. In any case, calculated points are not persisted.

Parameters:
calculateAppox - If true, and rounding bendpoints is on, then calculate points that approximate bendpoint arc.
Returns:
Resulting PointList. In case when sooth factor is on, it is a polyline approximation of a bezier curve calculated based on the smoothness factor.
Since:
1.2

getSmoothPoints

public 
PointList getSmoothPoints()
See getSmoothPoints(boolean calculateAppoxPoints)


insertPoint

public void insertPoint(
Point pt,
                        int index)
Insert a point at the given index into the polyline connection.

Overrides:
insertPoint in class AbstractPointListShape

outlineShape

protected void outlineShape(
Graphics g)
Override the figure method "outlineShape" to draw the actual polyline connection shape. Special code to regenerate the jumplinks, draw the polyline smooth, and round the bendpoints is also done during this method call.

Overrides:
outlineShape in class Polyline

setLineWidth

public void setLineWidth(int w)
Set the line width of the polyline connection.

Overrides:
setLineWidth in class Polyline

setPoints

public void setPoints(
PointList points)
Sets the list of points to be used by this polyline connection. Removes any previously existing points.

Specified by:
setPoints in interface Connection
Overrides:
setPoints in class Polyline
Parameters:
points - New set of points.

dirtyAllJumpLinks

public void dirtyAllJumpLinks()
Dirty all connection jump links in the diagram


setSmoothness

public final void setSmoothness(int smooth)
Sets the smoothness factor of this Connection that is reflected when the polyline is rendered.

Parameters:
smooth - the value is one of SMOOTH_NONE - no smoothing, SMOOTH_LESS - rounded edges, SMOOTH_NORMAL - more curved look, SMOOTH_MORE - exagerated curving.

getSmoothness

public final int getSmoothness()
Gets the smoothness factor.

Returns:
the value is one of SMOOTH_NONE - no smoothing, SMOOTH_LESS - rounded edges, SMOOTH_NORMAL - more curved look, SMOOTH_MORE - exagerated curving.

isClosestDistanceRouting

public final boolean isClosestDistanceRouting()
Determines if this polyline connection is using closest distance routing or not.

Returns:
boolean true if it should be using closest distance routing, false

isAvoidObstacleRouting

public final boolean isAvoidObstacleRouting()
Determines if this polyline connection is using avoid obstruction routing or not.

Returns:
boolean true if it should be using avoid obstruction routing, false

setRoutingStyles

public void setRoutingStyles(boolean closestDistance,
                             boolean avoidObstacles)
Set the overall routing styles for this polyline connection.

Parameters:
closestDistance - boolean true if it should be using closest distance routing, false avoidObstacles - boolean true if it should be using avoid obstruction routing, false

isRoundingBendpoints

public boolean isRoundingBendpoints()
Determines if the bendpoints should be rounded. This option is available only when orthogonal router is used, and when smoothness is not selected.

Returns:
true if the option is selected and the current router is orthogonal
Since:
1.2

setRoundedBendpointsRadius

public void setRoundedBendpointsRadius(int radius)
Sets the parameter indicating the arc radius for rounded bendpoints.

Parameters:
radius -
Since:
1.2

getRoundedBendpointsRadius

public int getRoundedBendpointsRadius()
Returns the parameter indicating the arc radius for rounded bendpoints.

Returns:
the parameter indicating the arc radius for rounded bendpoints
Since:
1.2

shouldJumpLinks

public final boolean shouldJumpLinks()
Determines if this polyline connection should use the jump links methodology or not.

Returns:
boolean true if this connection should support jump links, false otherwise.

setJumpLinks

public void setJumpLinks(boolean on)
Turns on or off the jump links functionality.

Parameters:
on - the boolean true if this connection should support jump links, false otherwise.

setJumpLinksStyles

public void setJumpLinksStyles(int jumpType,
                               boolean curved,
                               boolean angleIn,
                               boolean onBottom)
Set the jump links styles associated with the jump links functionality.

Parameters:
jumpType - value can be one of PolylineConnectionEx.JUMPLINK_FLAG_BELOW, PolylineConnectionEx.JUMPLINK_FLAG_ABOVE or PolylineConnectionEx.JUMPLINK_FLAG_ALL
curved - the boolean indicating if true the jump link should be curved (semi-circle) or if false it should be straight (rectangular).
angleIn - the boolean if true indicating the sides of the jump link are angled or if false then the sides of the jump link are straight.
onBottom - the boolean true it will be oriented on the bottom of the connection, false it will oriented on top.

isJumpLinksSmooth

public final boolean isJumpLinksSmooth()
Determines if the jump links are smooth or not.

Returns:
boolean indicating if true the jump link should be curved (semi-circle) or if false it should be straight (rectangular).

isJumpLinksAngledIn

public final boolean isJumpLinksAngledIn()
Determines if the jump links are angled in or not.

Returns:
boolean if true indicating the sides of the jump link are angled or if false then the sides of the jump link are straight.

isJumpLinksOnBottom

public final boolean isJumpLinksOnBottom()
Determines if the jump links are on the bottom of the polyline connection or not.

Returns:
boolean true it will be oriented on the bottom of the connection, false it will oriented on top.

getPolygonPoints

public 
PointList getPolygonPoints()
Description copied from interface: IPolygonAnchorableFigure
This method allows the implementing class to return a list of points that represent the polygon to be connected to.

Specified by:
getPolygonPoints in interface IPolygonAnchorableFigure
Returns:
a list of points forming the polygon

getConnectionAnchor

public 
ConnectionAnchor getConnectionAnchor(java.lang.String terminal)
Description copied from interface: IAnchorableFigure
Given a string identifier, return the associated anchor for that identifier

Specified by:
getConnectionAnchor in interface IAnchorableFigure
Parameters:
terminal - String identifier associated with the anchor
Returns:
ConnectionAnchor that is associated with the given string.

getConnectionAnchorTerminal

public java.lang.String getConnectionAnchorTerminal(
ConnectionAnchor c)
Description copied from interface: IAnchorableFigure
Dynamically allocates a new anchor if needed. Otherwise, recycles old anchors no longer in use.

Specified by:
getConnectionAnchorTerminal in interface IAnchorableFigure
Parameters:
c - the ConnectionAnchor reference to an anchor associated with the given point on the figure
Returns:
a String that represents the anchor identifier.

getSourceConnectionAnchorAt

public 
ConnectionAnchor getSourceConnectionAnchorAt(
Point p)
Description copied from interface: IAnchorableFigure
Gets the source connection anchor at a given point on the figure.

Specified by:
getSourceConnectionAnchorAt in interface IAnchorableFigure
Parameters:
p - Point on the figure that gives a hint which anchor to return.
Returns:
a ConnectionAnchor reference to an anchor associated with the given point on the figure.

getTargetConnectionAnchorAt

public 
ConnectionAnchor getTargetConnectionAnchorAt(
Point p)
Description copied from interface: IAnchorableFigure
Gets the target connection anchor at a given point on the figure.

Specified by:
getTargetConnectionAnchorAt in interface IAnchorableFigure
Parameters:
p - Point on the figure that gives a hint which anchor to return.
Returns:
ConnectionAnchor reference to an anchor associated with the given point on the figure.

createDefaultAnchor

protected 
ConnectionAnchor createDefaultAnchor()
Creates the default Slidable anchor with a reference point at the center of the figure's bounds

Returns:
- default SlidableAnchor, relative reference the center of the figure

createAnchor

protected 
ConnectionAnchor createAnchor(
PrecisionPoint p)
Creates a slidable anchor at the specified point (from the ratio of the reference's coordinates and bounds of the figure

Parameters:
p - - relative reference for the SlidableAnchor
Returns:
a SlidableAnchor for this figure with relative reference at p

createConnectionAnchor

protected 
ConnectionAnchor createConnectionAnchor(
Point p)
Returns a new anchor for this node figure.

Parameters:
p - Point on the figure that gives a hint which anchor to return.
Returns:
ConnectionAnchor reference to an anchor associated with the given point on the figure.

isDefaultAnchorArea

protected boolean isDefaultAnchorArea(
PrecisionPoint p)
Checks whether the p which is a candidate for a relative reference for the SlidableAnchor belongs to the area where the default anchor must be created

Parameters:
p -
Returns:
boolean true if belongs to the area where the default anchor must be created, false otherwise

getConnectionAnchors

protected java.util.Hashtable getConnectionAnchors()
Returns the connectionAnchors.

Returns:
Hashtable

getSlidableAnchorArea

protected double getSlidableAnchorArea()
Specifies how large the area of the figure's bounds where SlidableAnchor will be created. The result number: 0<=result<=1

Returns:
the size of the area of the figure's bounds

setForegroundColor

public void setForegroundColor(
Color fg)
Specified by:
setForegroundColor in interface IFigure
Overrides:
setForegroundColor in class Figure

setSourceDecoration

public void setSourceDecoration(
RotatableDecoration dec,
                                
ConnectionLocator locator)
Sets the decoration to be used at the start of the Connection.

Parameters:
dec - the new source decoration
locator - the ConnectionLocator that allows placement of the source RotableDecoration.

setTargetDecoration

public void setTargetDecoration(
RotatableDecoration dec,
                                
ConnectionLocator locator)
Sets the decoration to be used at the end of the Connection.

Parameters:
dec - the new target decoration
locator - the ConnectionLocator that allows placement of the target RotableDecoration.

getTargetDecoration

protected 
RotatableDecoration getTargetDecoration()
Overrides:
getTargetDecoration in class PolylineConnection
Returns:
the target decoration - possibly null

getSourceDecoration

protected 
RotatableDecoration getSourceDecoration()
Overrides:
getSourceDecoration in class PolylineConnection
Returns:
the source decoration - possibly null

setTargetDecoration

public void setTargetDecoration(
RotatableDecoration dec)
Overrides:
setTargetDecoration in class PolylineConnection

setSourceDecoration

public void setSourceDecoration(
RotatableDecoration dec)
Overrides:
setSourceDecoration in class PolylineConnection

setLineDash

public void setLineDash(int[] dashes)
Sets the line dash style.

Parameters:
dashes - The dashes attribute.
See Also:
LineAttributes.dash

getCursor

public 
Cursor getCursor()
Overriden to display special cursor when needed. Fix for bug #145467

Specified by:
getCursor in interface IFigure
Overrides:
getCursor in class Figure

getRoundedCornersPoints

public 
PointList getRoundedCornersPoints(boolean calculateAppoxPoints)
Returns the list of points for this connection when rounded bendpoints option is selected. Each bendpoint in the result list is replaced by start and end points of the arc, and if calculateApproxPoints is true, it will also have arc approximation points in between.

Parameters:
calculateAppoxPoints - Indicates if arcs replacing bendpoints should be approximated
Returns:
List of connection points when rounded bendpoints option is on
Since:
1.2

Runtime

Guidelines for using Eclipse APIs.

Copyright (c) IBM Corp., Borland Software Corp., and others 2005,2006. All rights reserved.


 
 
  Published under the terms of the Eclipse Public License Version 1.0 ("EPL") Design by Interspire