fix utils & methods for CRAN

DESCRIPTION

@@ -17,7 +17,8 @@ Imports: htmlwidgets,
   htmltools,
   jsonlite,
   magrittr,
-  utils
+  utils,
+  methods
 License: MIT + file LICENSE
 Suggests: knitr,
   igraph

NAMESPACE

@@ -40,4 +40,6 @@ import(htmltools)
 import(htmlwidgets)
 importFrom(jsonlite,fromJSON)
 importFrom(magrittr,"%>%")
+importFrom(methods,findFunction)
 importFrom(utils,browseURL)
+importFrom(utils,getAnywhere)

R/visIgraph.R

@@ -70,6 +70,8 @@
 #'\link{visPhysics} for control physics, \link{visInteraction} for interaction, \link{visNetworkProxy} & \link{visFocus} & \link{visFit} for animation within shiny,
 #'\link{visDocumentation}, \link{visEvents}, \link{visConfigure} ...
 #'
+#' @importFrom  methods findFunction
+#' 
 #'@export
 
 visIgraph <- function(igraph,

R/visIgraphLayout.R

@@ -49,6 +49,8 @@
 #'\link{visPhysics} for control physics, \link{visInteraction} for interaction, \link{visNetworkProxy} & \link{visFocus} & \link{visFit} for animation within shiny,
 #'\link{visDocumentation}, \link{visEvents}, \link{visConfigure} ...
 #'
+#' @importFrom  utils getAnywhere
+#' 
 #'@export
 
 visIgraphLayout <- function(graph,

R/visSave.R

@@ -10,6 +10,7 @@
 #' 
 #' @examples
 #' 
+#'\dontrun{
 #'nodes <- data.frame(id = 1:3, group = c("B", "A", "B"))
 #'edges <- data.frame(from = c(1,2), to = c(2,3))
 #'
@@ -20,6 +21,7 @@
 #'# same as
 #'visSave(network, file = "network.html")
 #'
+#'}
 #' @export
 visSave <- function(graph, file, selfcontained = TRUE) {
   htmlwidgets::saveWidget(graph, file, selfcontained)

man/visSave.Rd

@@ -21,6 +21,7 @@ include it's dependencies in an adjacent directory or can bundle all
 dependencies into the HTML file (via base64 encoding).
 }
 \examples{
+\dontrun{
 nodes <- data.frame(id = 1:3, group = c("B", "A", "B"))
 edges <- data.frame(from = c(1,2), to = c(2,3))
 
@@ -30,5 +31,7 @@ network
 network \%>\% visSave(file = "network.html")
 # same as
 visSave(network, file = "network.html")
+
+}
 }