click-to-show-text.R

library(sf)
library(dplyr)
library(albersusa)
library(crosstalk)
library(plotly)

usa <- usa_sf("laea")

# st_centroid gets the center POINT of polygons
uscenter <- usa %>% 
  st_centroid() %>%
  mutate(
    x = sapply(geometry, "[[", 1),
    y = sapply(geometry, "[[", 2)
  ) %>%
  SharedData$new()

p <- ggplot() + 
  geom_sf(data = usa, aes(fill = pop_2010, text = paste("Population", pop_2010))) +
  geom_text(
    data = uscenter, alpha = 0,
    aes(x, y, label = name, text = "Click to label me")
  )
  
ggplotly(p, tooltip = "text") %>%
  highlight(
    persistent = TRUE, 
    selected = attrs_selected(
      hoverinfo = "none",
      textfont = list(color = "black")
    )
  )

Really nice! The plot I get after copy & paste the code has a different aspect ratio, making it less useful:

Also, 28 warnings of this kind:

Warning messages:
1: In FUN(X[[i]], ...) :
  is.na() applied to non-(list or vector) of type 'language'

> devtools::session_info()
Session info -------------------------------------------------------------------
 setting  value                       
 version  R version 3.4.0 (2017-04-21)
 system   x86_64, linux-gnu           
 ui       X11                         
 language en_US                       
 collate  en_US.UTF-8                 
 tz       Europe/Berlin               
 date     2017-05-30                  

Packages -----------------------------------------------------------------------
 package     * version    date       source                             
 albersusa   * 0.3.0      2017-05-30 Github (hrbrmstr/albersusa@82220d3)
 assertthat    0.2.0      2017-04-11 CRAN (R 3.4.0)                     
 colorspace    1.3-2      2016-12-14 CRAN (R 3.4.0)                     
 crosstalk   * 1.0.0      2016-12-21 cran (@1.0.0)                      
 data.table    1.10.4     2017-02-01 CRAN (R 3.4.0)                     
 DBI           0.6-1      2017-04-01 CRAN (R 3.4.0)                     
 devtools      1.12.0     2016-12-05 CRAN (R 3.4.0)                     
 digest        0.6.12     2017-01-27 CRAN (R 3.4.0)                     
 dplyr       * 0.5.0      2016-06-24 CRAN (R 3.4.0)                     
 foreign       0.8-67     2016-09-13 CRAN (R 3.3.1)                     
 ggplot2     * 2.2.1.9000 2017-05-30 Github (tidyverse/ggplot2@f4398b6) 
 gtable        0.2.0      2016-02-26 CRAN (R 3.4.0)                     
 htmltools     0.3.6      2017-04-28 cran (@0.3.6)                      
 htmlwidgets   0.8        2016-11-09 CRAN (R 3.4.0)                     
 httpuv        1.3.3      2015-08-04 CRAN (R 3.4.0)                     
 httr          1.2.1      2016-07-03 CRAN (R 3.4.0)                     
 jsonlite      1.4        2017-04-08 CRAN (R 3.4.0)                     
 labeling      0.3        2014-08-23 CRAN (R 3.4.0)                     
 lattice       0.20-35    2017-03-25 CRAN (R 3.3.3)                     
 lazyeval      0.2.0      2016-06-12 CRAN (R 3.4.0)                     
 magrittr      1.5        2014-11-22 CRAN (R 3.4.0)                     
 maptools      0.9-2      2017-03-25 CRAN (R 3.4.0)                     
 memoise       1.1.0      2017-04-21 CRAN (R 3.4.0)                     
 mime          0.5        2016-07-07 CRAN (R 3.4.0)                     
 munsell       0.4.3      2016-02-13 CRAN (R 3.4.0)                     
 plotly      * 4.7.0      2017-05-28 CRAN (R 3.4.0)                     
 plyr          1.8.4      2016-06-08 CRAN (R 3.4.0)                     
 purrr         0.2.2.9000 2017-04-28 Github (tidyverse/purrr@4ab056f)   
 R6            2.2.1      2017-05-10 cran (@2.2.1)                      
 Rcpp          0.12.11.1  2017-05-30 Github (RcppCore/Rcpp@ef4e9c5)     
 rgdal         1.2-7      2017-04-25 cran (@1.2-7)                      
 rgeos         0.3-23     2017-04-06 CRAN (R 3.4.0)                     
 rlang         0.1.1      2017-05-18 cran (@0.1.1)                      
 scales        0.4.1      2016-11-09 CRAN (R 3.4.0)                     
 sf          * 0.5-0      2017-05-28 local                              
 shiny         1.0.3      2017-04-26 CRAN (R 3.4.0)                     
 sp            1.2-5      2017-05-22 local                              
 tibble        1.3.3      2017-05-30 Github (tidyverse/tibble@b2275d5)  
 tidyr         0.6.1      2017-01-10 CRAN (R 3.4.0)                     
 udunits2      0.13       2016-11-17 CRAN (R 3.4.0)                     
 units         0.4-5      2017-05-24 local                              
 viridisLite   0.2.0      2017-03-24 CRAN (R 3.4.0)                     
 withr         1.0.2      2016-06-20 CRAN (R 3.4.0)                     
 xtable        1.8-2      2016-02-05 CRAN (R 3.4.0)                     
 yaml          2.1.14     2016-11-12 CRAN (R 3.4.0)   

</details>

Thanks @edzer, this should be fixed now.

Confirmed!