R/zzz.R

In neuroconductor/oro.nifti: Rigorous - 'NIfTI' + 'ANALYZE' + 'AFNI' : Input / Output

##
## Copyright (c) 2009, 2010, 2011, 2012, 2013 Brandon Whitcher and Volker Schmid
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## $Id: $
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.onLoad <- function(lib, pkg) {
  options("niftiAuditTrail" = FALSE)
}

rule <- function(pad = "-", gap = 2L) {
  paste0(rep(pad, getOption("width") - gap), collapse = "")
}

.onAttach <- function(lib, pkg) {
  txt <- paste(pkg, utils::packageDescription(pkg, lib)[["Version"]])
  packageStartupMessage(txt)
  setHook(packageEvent("RNifti", "attach"), function(...) {
    packageStartupMessage(rule())
    packageStartupMessage(
      "You have loaded RNifti after oro.nifti ", 
      "(either directly or from another package) - this is likely ",
      "to cause problems with certain functions.\n", 
      "If you need functions from both RNifti and oro.nifti, ",
      "please load RNifti first, then oro.nifti:\n", 
      "library(RNifti); library(oro.nifti)"
    )
    packageStartupMessage(rule())

  })
}



.onDetach <- function(libpath) {
  setHook(packageEvent("RNifti", "attach"), NULL, "replace")
}