Field Detail

• graph

  protected JGraph graph

• edge

  protected EdgeView edge

• orig

  protected EdgeView orig

• label

  protected boolean label

• source

  protected boolean source

• target

  protected boolean target

• currentLabel

  protected int currentLabel

  Holds the index of the current (editing) label or point.

• currentIndex

  protected int currentIndex

  Holds the index of the current (editing) label or point.

• currentPoint

  protected java.awt.geom.Point2D currentPoint

• r

  protected transient java.awt.geom.Rectangle2D[] r

• loc

  protected transient java.awt.geom.Rectangle2D loc

• extraLabelLocations

  protected transient java.awt.geom.Rectangle2D[] extraLabelLocations

• firstOverlayCall

  protected boolean firstOverlayCall

• isEdgeConnectable

  protected boolean isEdgeConnectable

• relevantEdge

  protected EdgeView relevantEdge

• editing

  protected boolean editing

  True if the cell is being edited.

• initialLabelLocation

  protected java.awt.geom.Point2D initialLabelLocation

  Holds the initial location of the label.

• edgeModified

  protected boolean edgeModified

  Indicates whether the edge has been modified during the last mouse pressed and dragged operations.

• highlight

  protected javax.swing.JComponent highlight

  Component that is used for highlighting cells if the graph does not allow XOR painting.

Constructor Detail

• EdgeHandle

  public EdgeHandle​(EdgeView edge,
                    GraphContext ctx)

Method Detail

• createHighlight

  protected javax.swing.JComponent createHighlight()

  Creates the component that is used for highlighting cells if the graph does not allow XOR painting.

• reloadPoints

  protected void reloadPoints​(EdgeView edge)

• paint

  public void paint​(java.awt.Graphics g)

  Description copied from interface: CellHandle
  Paint the handle on the given graphics object once.

  Specified by:

  paint in interface CellHandle

  Parameters:

  g - the graphics object to paint the handle on

• highlight

  protected void highlight​(JGraph graph,
                           CellView cellView)

  Highlights the given cell view or removes the highlight if no cell view is specified.

  Parameters:

  graph -

  cellView -

• getHighlightBounds

  protected java.awt.Rectangle getHighlightBounds​(JGraph graph,
                                                  CellView cellView)

  Returns the bounds to be used to highlight the given cell view.

  Parameters:

  graph -

  cellView -

  Returns:

• overlay

  public void overlay​(java.awt.Graphics g)

  Description copied from interface: CellHandle
  Paint the handle on the given graphics object during mouse operations.

  Specified by:

  overlay in interface CellHandle

  Parameters:

  g - the graphics object to paint the handle on

• paintPort

  protected void paintPort​(java.awt.Graphics g,
                           CellView p)

• snap

  protected boolean snap​(boolean source,
                         java.awt.geom.Point2D point)

• isConstrainedMoveEvent

  public boolean isConstrainedMoveEvent​(java.awt.event.MouseEvent e)

• isAddPointEvent

  public boolean isAddPointEvent​(java.awt.event.MouseEvent event)

  Returning true signifies a mouse event adds a new point to an edge.

• isRemovePointEvent

  public boolean isRemovePointEvent​(java.awt.event.MouseEvent event)

  Returning true signifies a mouse event removes a given point.

• isSourceEditing

  protected boolean isSourceEditing()

• isTargetEditing

  protected boolean isTargetEditing()

• isEditing

  protected boolean isEditing()

• mouseMoved

  public void mouseMoved​(java.awt.event.MouseEvent event)

  Invoked when the mouse pointer has been moved on a component (with no buttons down).

  Specified by:

  mouseMoved in interface CellHandle

  Parameters:

  event - the mouse event to be processed

• mousePressed

  public void mousePressed​(java.awt.event.MouseEvent event)

  Description copied from interface: CellHandle
  Messaged when a mouse button is pressed.

  Specified by:

  mousePressed in interface CellHandle

  Parameters:

  event - the mouse event to be processed

• mouseDragged

  public void mouseDragged​(java.awt.event.MouseEvent event)

  Description copied from interface: CellHandle
  Messaged when the user drags the selection. The Controller is responsible to determine whether the mouse is inside the parent graph or not.

  Specified by:

  mouseDragged in interface CellHandle

  Parameters:

  event - the drag event to be processed

• getRelativeLabelPosition

  protected java.awt.geom.Point2D getRelativeLabelPosition​(EdgeView edge,
                                                           java.awt.geom.Point2D p)

• mouseReleased

  public void mouseReleased​(java.awt.event.MouseEvent e)

  Description copied from interface: CellHandle
  Messaged when the drag operation has terminated with a drop.

  Specified by:

  mouseReleased in interface CellHandle

  Parameters:

  e - the drop event to be processed

• processNestedMap

  protected void processNestedMap​(java.util.Map nested,
                                  boolean clone)

• createConnectionSet

  protected ConnectionSet createConnectionSet​(EdgeView view,
                                              boolean verbose)

• invalidate

  protected void invalidate()