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Class GraphPack.Edge

java.lang.Object
   |
   +----GraphPack.QNode
           |
           +----GraphPack.Edge

public class Edge

extends QNode

implements EdgeList

Edge(UndoMan)

Edge(Vertex, Vertex, UndoMan)

create a new edge between vertex _v1 and _v2

addProp(Prop)

add property p to this vertex

copy()

return new copy of this Edge.

deleteProp(String)

delete property s from this vertex

drawing()

return EdgeDrawingInterface object with methods to draw this edge

equals(Edge)

two edges are equal if the two vertices are equal

getEdge()

return this object

getLabel()

return value of property to be displayed

getPropString()

get the property string

getProps()

return this vertex's properties

getV1()

return first vertex of this edge.

getV2()

return second vertex of this edge.

hasNextEdge()

return true if there is another edge in list

hasNextHEdge()

return true if there is another highlighted edge in list.

isH()

return true if this edge is highlighted

midx()

return x-value of midpoint

midy()

return y-value of midpoint

nextEdge()

return next edge in list

nextHEdge()

return next highlighted edge in list, null if this edge is not highlighted or no more highlighted edges

selectProp(String)

choose property s to be displayed

setProp(String, String)

set property n to contain value v

setPropString(String)

sets the property with string s

showProps()

show this vertex's properties

toString()

return a string representation of the node

update()

recalculate drawing information

writeE()

write out this edge's attributes

writeE(boolean)

write out this edge's attributes: E ( , ) where s are the tempnums of it's vertices

  public Edge(UndoMan um)

  public Edge(Vertex _v1,
              Vertex _v2,
              UndoMan um)

create a new edge between vertex _v1 and _v2

  public Edge copy()

return new copy of this Edge. Note attributes are also copied

update

  public void update()

recalculate drawing information

drawing

  public EdgeDrawingInterface drawing()

return EdgeDrawingInterface object with methods to draw this edge

midx

  public double midx()

return x-value of midpoint

midy

  public double midy()

return y-value of midpoint

toString

  public String toString()

return a string representation of the node

Overrides:

toString in class Object

writeE

  public String writeE()

write out this edge's attributes

writeE

  public String writeE(boolean highlight)

write out this edge's attributes: E ( , ) where s are the tempnums of it's vertices

nextEdge

  public EdgeList nextEdge()

return next edge in list

nextHEdge

  public EdgeList nextHEdge()

return next highlighted edge in list, null if this edge is not highlighted or no more highlighted edges

hasNextEdge

  public boolean hasNextEdge()

return true if there is another edge in list

hasNextHEdge

  public boolean hasNextHEdge()

return true if there is another highlighted edge in list.

getV1

  public Vertex getV1()

return first vertex of this edge. Is source for a directed edge, otherwise order is unimportant

getV2

  public Vertex getV2()

return second vertex of this edge. Is destination for a directed edge, otherwise order is unimportant

getEdge

  public Edge getEdge()

return this object

isH

  public boolean isH()

return true if this edge is highlighted

equals

  public boolean equals(Edge e)

two edges are equal if the two vertices are equal

getLabel

  public String getLabel()

return value of property to be displayed

getProps

  public PropVector getProps()

return this vertex's properties

addProp

  public void addProp(Prop p)

add property p to this vertex

selectProp

  public void selectProp(String s)

choose property s to be displayed

deleteProp

  public void deleteProp(String s)

delete property s from this vertex

setProp

  public void setProp(String n,
                      String v)

set property n to contain value v

showProps

  public void showProps()

show this vertex's properties

getPropString

  public String getPropString()

get the property string

setPropString

  public void setPropString(String s)

sets the property with string s

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