Nothing
view_format_popups <- function(id=NULL, titles, format, values) {
isnull <- vapply(values, is.null, logical(1))
titles <- titles[!isnull]
titles[names(titles)!=""] <- names(titles)[names(titles)!=""]
values <- values[!isnull]
islist <- is.list(format) && length(format)>0 && is.list(format[[1]])
if (!islist) {
format <- lapply(1:length(titles), function(i) format)
}
h = lapply(format, function(f) {
if (f$html.escape) {
htmltools::htmlEscape
} else {
function(x) x
}
})
if (!is.null(id)) {
labels <- paste("<b>", h[[1]](id), "</b>", sep="")
} else {
labels <- ""
}
titles_format <- mapply(function(ti, hi) {
hi(ti)
}, titles, h, SIMPLIFY = FALSE)
values_format <- mapply(function(v, f, hi) {
if (inherits(v, "units")) {
popup_append <- paste0(" ", as.character(attr(v, "units")))
} else {
popup_append <- ""
}
numbers <- hi(if (is.numeric(v)) do.call("fancy_breaks", c(list(vec=as.numeric(v), intervals=FALSE), f)) else v)
paste0(numbers, popup_append)
}, values, format, h, SIMPLIFY = FALSE)
labels2 <- mapply(function(l, v) {
paste0("<tr><td style=\"color: #888888;\"><nobr>", l, "</nobr></td><td align=\"right\"><nobr>", v, "</nobr></td>")
}, titles_format, values_format, SIMPLIFY=FALSE)
labels3 <- paste0(do.call("paste", c(labels2, list(sep="</tr>"))), "</tr>")
padding_right <- ifelse(length(titles_format) > 13, 15, 0) # add padding for horizontal scroll bar. These will appear on most browsers when there are over 13 normal lines (tested: RStudio, FF, Chrome)
x <- paste0("<style> div.leaflet-popup-content {width:auto !important;overflow-y:auto; overflow-x:hidden;}</style><div style=\"max-height:25em;padding-right:", padding_right, "px;\"><table>
<thead><tr><th colspan=\"2\">", labels, "</th></thead></tr>", labels3, "</table></div>")
x
}
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