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# $Id: grid.R 45 2008-05-23 15:50:48Z mentus $
"HTMLgrid_summary" <- function(
x,
file=NULL,
append=TRUE,
digits=getOption("R2HTML.format.digits"),
nsmall = getOption("R2HTML.format.nsmall"),
big.mark = getOption("R2HTML.format.big.mark"),
big.interval = getOption("R2HTML.format.big.interval"),
decimal.mark = getOption("R2HTML.format.decimal.mark"),
browse=FALSE)
{
if (!is.data.frame(x)) stop("\n x must be a data.frame")
# Handle file
if (is.null(file)) file <- paste(tempfile(),"htm",sep=".")
# ensure append mode
cat("\n", file=file,append=append)
whichnum= sapply(x,is.numeric)
# numeric variables
if (any(whichnum)){
cat("<p>Numeric variables:</p>",file=file,append=TRUE)
numx <- x[,whichnum,drop=FALSE]
mysummary <- function(vec) {
out<- c(
min(vec,na.rm=TRUE),
quantile(vec,0.25,na.rm=TRUE),
median(vec,na.rm=TRUE),
mean(vec,na.rm=TRUE),
quantile(vec,0.75,na.rm=TRUE),
max(vec,na.rm=TRUE),
nobs=sum(!is.na(vec)))
names(out) <- c("Min.","First Qu.","Median","Mean","Third Qu.","Max.","N.obs")
return(out)
}
out=do.call("rbind", lapply(numx,FUN=mysummary))
out=as.data.frame(out)
out<-cbind("Variable"=rownames(out) ,out)
# format DF
out.formatted <- format(out, digits=digits, nsmall=nsmall,
big.mark=big.mark, big.interval=big.interval,
decimal.mark=decimal.mark)
out.formatted <- as.matrix(out.formatted)
out.formatted[is.na(out.formatted)] <- "NA"
out.formatted[is.nan(out.formatted)] <- "NA"
out.formatted[(out.formatted)==" NA"] <- "NA"
out.formatted <- as.data.frame(out.formatted)
HTMLgrid_inline(out.formatted,
file=file, append=TRUE,digits=digits,
browse=FALSE,classes=c("character",rep("numeric",7)),
showimages=FALSE)
}
else cat("<p>No numeric variable.</p>",file=file,append=TRUE)
# Factor variables
if (any(!whichnum)){
cat("<p>Factor variables:</p>",file=file,append=TRUE)
facx <- x[,!whichnum,drop=FALSE]
mysummary <- function(vec)
{
out <- cbind(nlevels(vec),as.data.frame(table(vec)))
return(out)
}
out=do.call("rbind", lapply(facx,FUN=mysummary))
out=as.data.frame(out)
out<-cbind(rownames(out) ,out)
colnames(out) <- c("Variable.level","N.levels","level","Nobs")
HTMLgrid_inline(out,file=file,append=TRUE,
digits=digits,browse=FALSE,includeref=FALSE,,showimages=FALSE)
}
else cat("<p>No factor variable.</p>",file=file,append=TRUE)
if (browse) browseURL(file)
}
### HTMLgrid_summary(x,file=NULL,browse=TRUE)
# HTMLgrid uses the widget from ActiveWidget to display a DataFrame
"HTMLgrid" <- function(
x,
file = HTMLGetFile(),
append=TRUE ,
includeref=FALSE,
align="center",
digits=getOption("R2HTML.format.digits"),
nsmall = getOption("R2HTML.format.nsmall"),
big.mark = getOption("R2HTML.format.big.mark"),
big.interval = getOption("R2HTML.format.big.interval"),
decimal.mark = getOption("R2HTML.format.decimal.mark"),
asDF=TRUE,
browse=FALSE,
classes=NULL,
showimages=TRUE
){
if (!is.data.frame(x)) stop("\n x must be a data.frame")
# Handle file
if (is.null(file)) file <- paste(tempfile(),"htm",sep=".")
# Handle append
cat("\n",file=file,append=TRUE)
# First grid? Should we include reference to stuff in the file?
if (includeref) HTMLgrid_references(file)
# Handle classes
if (is.null(classes)) classes <- sapply(x,class)
# format DF
x.formatted <- format(x, digits=digits, nsmall=nsmall, big.mark=big.mark,
big.interval=big.interval, decimal.mark=decimal.mark)
x.formatted <- as.matrix(x.formatted)
x.formatted[is.na(x.formatted)] <- "NA"
x.formatted[is.nan(x.formatted)] <- "NA"
x.formatted[(x.formatted)==" NA"] <- "NA"
# write it to the same dir as the file, as a text file
targetdatafile <- paste(dirname(file),
paste(basename(tempfile()),"txt",sep="."),sep="/")
write.table(x.formatted,file=targetdatafile,append=FALSE,
sep="\t",row.names=FALSE,col.names=TRUE)
# write the code that writes the grid (import data)
txt<-c("")
if (align=="center") txt <- c(txt,"\n<center>")
txt<-c(txt,"\n\t<script language='javascript'>")
# function ReadExternalData(URLfic,classes,asDF,ID)
txt<-c(txt,paste("ReadExternalData('",
basename(targetdatafile),"', ",
javascriptArray(classes), ", ",
as.numeric(asDF),", '",
basename(tempfile(pattern="grid",tmpdir="")),
"',",
as.numeric(showimages)
,");",sep=""))
txt<-c(txt,"\t</script>")
if (align=="center") txt <- c(txt,"\n</center>")
cat(paste(txt,collapse="\n"),file=file,append=TRUE)
if (browse) browseURL(file)
return(invisible(file))
}
"HTMLgrid_inline" <- function(
x,
file = HTMLGetFile(),
append=TRUE ,
includeref=FALSE,
align="center",
digits=getOption("R2HTML.format.digits"),
nsmall = getOption("R2HTML.format.nsmall"),
big.mark = getOption("R2HTML.format.big.mark"),
big.interval = getOption("R2HTML.format.big.interval"),
decimal.mark = getOption("R2HTML.format.decimal.mark"),
asDF=TRUE,
browse=FALSE,
classes=sapply(x,class),
showimages=TRUE){
# Handle file
if (is.null(file)) file <- paste(tempfile(),"htm",sep=".")
# format DF
x.formatted <- format(x, digits=digits, nsmall=nsmall, big.mark=big.mark, big.interval=big.interval, decimal.mark=decimal.mark)
x.formatted <- as.matrix(x.formatted)
x.formatted[is.na(x.formatted)] <- "NA"
x.formatted[is.nan(x.formatted)] <- "NA"
x.formatted[(x.formatted)==" NA"] <- "NA"
# First grid? Should we include reference to stuff in the file?
if (includeref) HTMLgrid_references(file)
# write the code that writes the grid
txt<-c("")
if (align=="center") txt <- c(txt,"\n<center>")
txt<-c(txt,"\n\t<script language='javascript'>")
tmpcode=javascriptArrayWrite(x,writeit=FALSE)
txt <- c(txt, tmpcode$code)
ID <- basename(tempfile(pattern="grid",tmpdir=""))
txt <- c(txt,paste("var ",ID,"=new Active.Controls.Grid;",sep=""))
txt <- c(txt,paste(ID,".setId('",ID,"'),",sep=""))
### ReadInlineData(data,columns,nrow,ncol,classes,asDF,obj)
txt<-c(txt,paste("ReadInlineData(",
tmpcode[1],", ",
tmpcode[2],",",
nrow(x),",",
ncol(x),",",
javascriptArray(classes),", ",
as.numeric(asDF),", ",
ID, ", ",
as.numeric(showimages),
");",sep=""))
txt<-c(txt,"\t</script>")
if (align=="center") txt <- c(txt,"\n</center>")
cat(paste(txt,collapse="\n"),file=file,append=TRUE)
if (browse) browseURL(file)
return(invisible(file))
}
### HTMLgrid_inline(iris,file=NULL,browse=TRUE)
"HTMLgrid_references" <- function(file=NULL)
{
txt <- paste("<link href=\"",getOption("R2HTML.grid.stuffbasepath"),"runtime/styles/xp/grid.css\" rel=\"stylesheet\" type=\"text/css\" ></link>",sep="")
txt <- c(txt, "<link href=\"gridR2HTML.css\" rel=\"stylesheet\" type=\"text/css\" ></link>")
txt <- c(txt,paste("\n<script src=\"",getOption("R2HTML.grid.stuffbasepath"), "runtime/lib/grid.js\"></script>",sep=""))
txt <- c(txt, paste("\n<script src=\"",getOption("R2HTML.grid.stuffbasepath"),"gridR2HTML.js\"></script>",sep=""))
txt <- paste(txt, collapse="\n")
if (!is.null(file)) cat(txt,file=file,append=TRUE)
return(txt)
}
"get.environment" <- function(pos) {
# Retrieve an environment from a position in search(), or from its name
# if pos = -1, returns the parent environment of the calling function
# if the environment is "package:base", We need to use '.BaseNamespaceEnv'
# which is experimental (!) to retrieve it!
envir <- if (pos == -1) parent.frame(2) else as.environment(pos)
#It seems to be normal to have NULL for the base environment!
if (is.null(envir) && (pos == length(search()) || pos == "package:base")) envir <- .BaseNamespaceEnv
return(envir)
}
"javascriptArray"=function(x,dimx=length(dim(x)))
{
# Compute the expression
xexp <- try(if (inherits(x, "expression")) x else NULL, silent = TRUE)
if (inherits(xexp, "try-error") || is.null(xexp)) {
xexp <- substitute(x)
if (is.character(xexp)) # To make sure that non conventional names will be correctly evaluated, we use backticks!
xexp <- parse(text=paste("`", xexp, "`", sep = ""))
xexp <- as.expression(xexp)
}
x=eval(xexp,envir=get.environment(-1))
if (dimx==2) {
Jarray= paste("['",do.call("paste",c(x,sep="','")),"']",sep="",collapse=",\n")
Jarray=paste("[",Jarray,",]",sep="\n")
}
else {
Jarray= paste("[",paste("'",do.call("paste",list(x,sep="','")),"'",sep="",collapse=","),"]",sep="")
}
return(Jarray)
}
# write two javascripts arrays definitions
# Return their names
"javascriptArrayWrite" <- function(x,file=NULL,append=TRUE,namex=NULL,insidejavascript=TRUE,writeit=TRUE)
{
if (!is.data.frame(x)) stop("\n Apply for a data frame...")
# Handle file
if (is.null(file)) file <- paste(tempfile(),"htm",sep=".")
# Handle append
cat("\n", file=file,append=append)
# handle namex
if (is.null(namex)){
namex=basename(tempfile("data",""))
}
namexcol = paste(namex,"col",sep="")
txt <- c("\n")
if (!insidejavascript) txt <- c(txt,"<script language='javascript'>")
txt <- c(txt, paste("var ", namex, "=", javascriptArray(x),";",sep=""))
txt <- c(txt, paste("var ", namexcol, "=", javascriptArray(colnames(x)),";",sep=""))
if (!insidejavascript) txt <- c(txt,"</script>")
code= paste(txt,collapse="\n")
if(writeit) cat(code,"\n",file=file,append=TRUE,sep="")
return(list(namex,namexcol,code=code))
}
#
# x=iris[sample(1:nrow(iris),size=10),]
# x[2:3,2]<-NA
# .HTML.file=paste(tempfile(),"htm",sep=".")
# HTMLgrid(x)
# browseURL(.HTML.file)
# file.copy(paste("t:/Rpackages/R2HTML/inst/output/",dir("t:/Rpackages/R2HTML/inst/output"),sep=""),tempdir(),overwrite=TRUE)
# source("t:/Rpackages/R2HTML/R/R2HTMLgrid.R")
# Dont forget to gather all things in a ZIP file using DOS zip...
# > zip -r path/name.zip path/*.*
# zip -r R2HTMLstuff.zip *.*
# Then in R
# zip.unpack("t:/rpackages/R2HTML/inst/output/R2HTMLstuff.zip",dest=tempdir())
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