validVertexClasses: Valid vertex classes

Description

Return matrix with labels of valid vertex classes and the valid vertex classes

Usage

validVertexClasses()

Arguments

Value

of valid vertex classes and the valid vertex classes (used to create the vertices).

Details

The argument vertexClasses to the functions dynamicGraphMain and DynamicGraph, and to dg.Vertex-class and returnVertexList is by default the returned value of this function. If new vertex classes are created then vertexClasses should be set to a value with this returned value extended appropriate.

Examples

Run this code

require(tcltk)

# Test with new vertex class (demo(Circle.newVertex)):

setClass("NewVertex", contains = c("dg.Node", "dg.Vertex"),
         representation(my.text   = "character",
                        my.number = "numeric"), 
         prototype(my.text    = "",
                   my.number  = 2))

myVertexClasses <- rbind(validVertexClasses(), 
                         NewVertex = c("NewVertex", "NewVertex"))

setMethod("draw", "NewVertex",
          function(object, canvas, position,
                   x = position[1], y = position[2], stratum = 0,
                   w = 2, color = "green", background = "white")
          {
            s <- w * sqrt(4 / pi) / 2
            p1 <- tkcreate(canvas, "oval",
                           x - s - s, y - s,
                           x + s - s, y + s,
                           fill = color(object), activefill = "IndianRed")
            p2 <- tkcreate(canvas, "oval",
                           x - s + s, y - s,
                           x + s + s, y + s, 
                           fill = color(object), activefill = "IndianRed")
            p3 <- tkcreate(canvas, "oval",
                           x - s, y - s - s,
                           x + s, y + s - s, 
                           fill = color(object), activefill = "IndianRed")
            p4 <- tkcreate(canvas, "poly", 
                           x - 1.5 * s, y + 3 * s,
                           x + 1.5 * s, y + 3 * s, 
                           x, y, 
                           fill = color(object), activefill = "SteelBlue")
            return(list(dynamic = list(p1, p2, p3, p4), fixed = NULL)) })

setMethod("addToPopups", "NewVertex",
          function(object, type, nodePopupMenu, i,
			   updateArguments, Args, ...)
          {
               tkadd(nodePopupMenu, "command",
                     label = paste(" --- This is a my new vertex!"),
                     command = function() { print(name(object))})
          })

if (!isGeneric("my.text")) {
  if (is.function("my.text"))
    fun <- my.text
  else
    fun <- function(object) standardGeneric("my.text")
  setGeneric("my.text", fun)
}
setGeneric("my.text<-",
           function(x, value) standardGeneric("my.text<-"))

setMethod("my.text", "NewVertex",
          function(object) object@my.text)
setReplaceMethod("my.text", "NewVertex",
                 function(x, value) {x@my.text <- value; x} )

if (!isGeneric("my.number")) {
  if (is.function("my.number"))
    fun <- my.number
  else
    fun <- function(object) standardGeneric("my.number")
  setGeneric("my.number", fun)
}
setGeneric("my.number<-",
           function(x, value) standardGeneric("my.number<-"))

setMethod("my.number", "NewVertex",
          function(object) object@my.number)
setReplaceMethod("my.number", "NewVertex",
                 function(x, value) {x@my.number <- value; x} )


V.Types <- c(rep("NewVertex", 3), "Discrete", "Ordinal", "Continuous")
V.Names <- c("Sex", "Age", "Eye", "FEV", "Hair", "Shosize")
V.Labels <- paste(V.Names, 1:6, sep ="/")

From <- c(1, 2, 3, 4, 5, 6)
To   <- c(2, 3, 4, 5, 6, 1)

control <- dg.control(updateEdgeLabels = FALSE,
                      edgeColor = "green", vertexColor = "blue",
                      vertexClasses = myVertexClasses)

simpleGraph.Z.nV <- new("dg.simple.graph", vertex.names = V.Names, 
                        types = V.Types, labels = V.Labels,
                        from = From, to = To, texts = c("Gryf", "gaf"))

graph.Z.nV <- simpleGraphToGraph(simpleGraph.Z.nV, control = control)

Object <- NULL

Z.nV <- dg(graph.Z.nV, modelObject = Object, control = control, title = "Z")