/
FunctionNavGraph.R
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FunctionNavGraph.R
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## Convert tcl values (strings) into R variables (vectors)
.tcl2num <- function(x) {
as.numeric(unlist(strsplit(tclvalue(x), split = ' ')))
}
.tcl2xy <- function(x) {
coord <-as.numeric(unlist(strsplit(tclvalue(x), split = ' ')))
c(mean(coord[c(1,3)]), mean(coord[c(2,4)]))
}
.tcl2str <- function(x) {
unlist(strsplit(tclvalue(x), split = ' '))
}
## event
.registerButtonClick <- function(ngEnv,x,y) {
ngEnv$mouseHistory$x <- as.numeric(x)
ngEnv$mouseHistory$y <- as.numeric(y)
ngEnv$mouseHistory$xClick <- ngEnv$mouseHistory$x
ngEnv$mouseHistory$yClick <- ngEnv$mouseHistory$y
ngEnv$mouseHistory$Click <- TRUE
}
## graph & data visualization connection
## switching a graph calls .closePlots and .initializePlots
## changing the bullet state invokes .updatePlots
.initializePlots <- function(ngEnv) {
assign(ngEnv$selViz,sapply(get(ngEnv$selViz,envir = ngEnv),function(viz)initializeViz(viz,ngEnv)),envir = ngEnv)
}
.updatePlots <- function(ngEnv) {
ngEnv$changedPlots <- TRUE
assign(ngEnv$selViz,sapply(get(ngEnv$selViz,envir = ngEnv),function(viz)updateViz(viz,ngEnv)),envir = ngEnv)
}
.closePlots <- function(ngEnv) {
assign(ngEnv$selViz,sapply(get(ngEnv$selViz,envir = ngEnv),function(viz)closeViz(viz,ngEnv)),envir = ngEnv)
}
## Switch the graph via the menu entry
.switchGraph <- function(ngEnv,graphNr){
graphName <- paste('graph',graphNr,sep = '')
tkadd(ngEnv$graphMenu,"command", label = get(paste('graph',graphNr,sep = ''),envir = ngEnv)@name,
command=function(){
if(graphName != ngEnv$cGraph){
.closePlots(ngEnv)
## Graph
## update graph modifications
.canvas2graph(ngEnv)
## save current graph
assign(ngEnv$cGraph, ngEnv$graph, envir = ngEnv)
## add new graph
ngEnv$cGraph <- graphName
ngEnv$graph <- get(graphName, envir = ngEnv)
ngEnv$selViz <- sub('graph','viz',graphName)
## reset state
if(numNodes(ngEnv$graph@graph)>0){
if(length(get(ngEnv$selViz,envir = ngEnv)) == 0) {
ngEnv$bulletState$from <- nodes(ngEnv$graph@graph)[1]
} else {
ngEnv$bulletState$from <- get(ngEnv$selViz,envir = ngEnv)[[1]]@from
}
ngEnv$bulletState$to <- ''
ngEnv$bulletState$percentage <- 0
.graph2canvas(ngEnv)
.highlightAdj(ngEnv)
}else {
w <- .tcl2num(tcl('winfo','width',canvas))
h <- .tcl2num(tcl('winfo','height',canvas))
tkdelete(ngEnv$canvas,'all')
tkcreate(ngEnv$canvas, 'text',w/2,h/2, text = 'No Nodes!', fill = ngEnv$settings$color$labels)
}
.initializePlots(ngEnv)
}
})
}
## Settings Menue
.settingsMenue <- function(ngEnv){
.updateValues <- function(ngEnv, obj){
vname <- paste("v.",obj, sep="") ## tcl variable name
value <- as.numeric(tclvalue(ngEnv$windowManager$settings[[vname]]))
if(obj == "NSteps") {
ngEnv$settings@interaction@NSteps <- value
}else if(obj == "animationTime") {
ngEnv$settings@interaction@animationTime <- value
}else if(obj == "dragSelectRadius") {
ngEnv$settings@interaction@dragSelectRadius <- value
}else if(obj == "labelDistRadius") {
ngEnv$settings@interaction@labelDistRadius <- value
}else if(obj == "bulletRadius") {
ratio <- value/ngEnv$settings@display@bulletRadius
xy <- .tcl2xy(tkcoords(ngEnv$canvas,'bullet'))
tkitemscale(ngEnv$canvas, 'bullet', xy[1], xy[2], ratio, ratio)
ngEnv$settings@display@bulletRadius <- value
}else if(obj == "nodeRadius") {
ratio <- value/ngEnv$settings@display@nodeRadius
tcl('scaleNodes',ngEnv$canvas,ratio)
ngEnv$settings@display@nodeRadius <- value
}else if(obj == "lineWidth") {
ngEnv$settings@display@lineWidth <- value
tkitemconfigure(ngEnv$canvas, "edge", width = value)
.normalState(ngEnv)
}else if(obj == "highlightedLineWidth") {
ngEnv$settings@display@highlightedLineWidth <- value
.normalState(ngEnv)
}else {
}
}
if(!is.null(ngEnv$windowManager$settings)) {
## bring window to front
tkraise(ngEnv$windowManager$settings$tt)
}else {
boldfont <- tkfont.create(weight="bold")
tt <- tktoplevel(, borderwidth = 5) ## main tk window
tktitle(tt) <- tktitle(tt) <- paste("Session ", ngEnv$ng_instance,", RnavGraph Settings", sep = '')
ngEnv$windowManager$settings$tt <- tt
tkbind(tt, '<Destroy>', function(){
ngEnv$ngEnv$windowManager$settings <- NULL
})
colframe <- tkframe(tt, relief = "groove", borderwidth = 3)
tkpack(colframe, side = "left", padx = 5, pady = 5, fill = "y")
intframe <- tkframe(tt, relief = "groove", borderwidth = 3)
tkpack(intframe, side = "left", padx = 5, pady = 5, fill = "y")
dispframe <- tkframe(tt , relief = "groove", borderwidth = 3)
tkpack(dispframe, side = "left", padx = 5, pady = 5, fill = "y")
sapply(slotNames(ngEnv$settings@color), FUN = function(obj){
fname <- paste("f.",obj,sep = "")
assign(fname, tkframe(colframe))
tkpack(get(fname),side = "top", fill = "x")
tkpack(tklabel(get(fname), text = obj), side = "left")
bname <- paste("b.", obj, sep = "")
assign(bname,
tkbutton(get(fname), text = "",
background = slot(ngEnv$settings@color,obj),
activebackground = slot(ngEnv$settings@color,obj),
width = 2, height = 1,
command = function(){
col <- as.character(.Tcl(paste("tk_chooseColor -initialcolor", slot(ngEnv$settings@color,obj))))
if(length(col) != 0){
slot(ngEnv$settings@color,obj) <- col
tkconfigure(get(paste("b.",obj,sep = "")), background = col,
activebackground = col)
if(obj == "background"){
tkconfigure(ngEnv$canvas, background = col)
} else if (obj == "bulletActive") {
tkitemconfigure(ngEnv$canvas, "bullet", activefill = col)
}else {
.normalState(ngEnv)
}
}
}))
tkpack(get(bname), side = "right")
})
## buffer frame
tkpack(tkframe(colframe, width = 200), anchor = 'w')
## interaction Settings
tkpack(tklabel(intframe, text = "Interaction", font = boldfont, padx = 38), side = "top", fill = "x")
sapply(slotNames(ngEnv$settings@interaction), FUN = function(obj){
## frame
fname <- paste("fi.",obj,sep = "")
assign(fname, tkframe(intframe))
tkpack(get(fname),side = "top", anchor = "w", fill = "x")
fname_t <- paste("fit.",obj,sep = "")
fname_b <- paste("fib.",obj,sep = "")
assign(fname_t, tkframe(get(fname)))
assign(fname_b, tkframe(get(fname)))
tkpack(get(fname_t), get(fname_b),side = "top", fill = "x")
## label
tkpack(tklabel(get(fname_t), text = obj), side = "left")
## create tcl variable
vname <- paste("v.",obj, sep="")
ngEnv$windowManager$settings[[vname]] <- tclVar(as.character(slot(ngEnv$settings@interaction,obj)))
## and label
lname <- paste("vl.",obj,sep = "")
assign(lname, tklabel(get(fname_t),text=as.character(tclvalue(ngEnv$windowManager$settings[[vname]]))))
tkconfigure(get(lname),textvariable=ngEnv$windowManager$settings[[vname]])
tkpack(get(lname), side = "right")
## slider
sname <- paste("s.",obj,sep = "")
#
if(obj == "animationTime") {
from <- 0
to <- 15
resolution <- 0.1
}else {
from <- 1
to <- 100
resolution <- 1
}
assign(sname,tkscale(get(fname_b), from=from, to=to, length = 200,# width = 200,
showvalue=F, variable=ngEnv$windowManager$settings[[vname]],
resolution=resolution, orient="horizontal"))
tkpack(get(sname),side = "top", fill = "x", expand = TRUE)
tkconfigure(get(sname), command = function(...){
.updateValues(ngEnv, obj)
})
})
## Display Settings
tkpack(tklabel(dispframe, text = "Display", font = boldfont, padx = 56), side = "top", fill = "x")
sapply(slotNames(ngEnv$settings@display), FUN = function(obj){
## frame
fname <- paste("fi.",obj,sep = "")
assign(fname, tkframe(dispframe))
tkpack(get(fname),side = "top", anchor = "w", fill = "x")
fname_t <- paste("fit.",obj,sep = "")
fname_b <- paste("fib.",obj,sep = "")
assign(fname_t, tkframe(get(fname)))
assign(fname_b, tkframe(get(fname)))
tkpack(get(fname_t), get(fname_b),side = "top", fill = "x")
## label
tkpack(tklabel(get(fname_t), text = obj), side = "left")
## create tcl variable
vname <- paste("v.",obj, sep="")
ngEnv$windowManager$settings[[vname]] <- tclVar(as.character(slot(ngEnv$settings@display,obj)))
## and label
lname <- paste("vl.",obj,sep = "")
assign(lname, tklabel(get(fname_t),text=as.character(tclvalue(ngEnv$windowManager$settings[[vname]]))))
tkconfigure(get(lname),textvariable=ngEnv$windowManager$settings[[vname]])
tkpack(get(lname), side = "right")
## slider
sname <- paste("s.",obj,sep = "")
#
assign(sname,tkscale(get(fname_b), from=1, to=100, length = 200,# width = 20,
showvalue=F, variable=ngEnv$windowManager$settings[[vname]],
resolution=1, orient="horizontal"))
tkpack(get(sname),side = "top", fill = "x", expand = TRUE)
tkconfigure(get(sname), command = function(...){
.updateValues(ngEnv, obj)
})
})
}
}
## Close all navGraph related windows
.closenavGraph <- function(ngEnv){
if(!ngEnv$isDestoying){
ngEnv$isDestoying <- TRUE
cat(paste("RnavGraph Session", ngEnv$ng_instance,"closed.\n"))
.closePlots(ngEnv)
if(ngEnv$isGGobiUsed){
close.GGobi(ngEnv$g)
}
if(!is.null(ngEnv$windowManager$settings$tt)) {
tkdestroy(ngEnv$windowManager$settings$tt)
}
if(!is.null(ngEnv$windowManager$paths$tt)) {
tkdestroy(ngEnv$windowManager$paths$tt)
}
}
}