add remark about perl and WriteXLS to about

stibu81 · Feb 8, 2021 · 5ebc086 · 5ebc086
1 parent 192644a
commit 5ebc086
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diff --git a/DESCRIPTION b/DESCRIPTION
@@ -1,6 +1,6 @@
 Package: bibleRe
 Title: Access the Webinterface of the Public Library in Koeniz
-Version: 0.3.1.9003
+Version: 0.3.1.9004
 Author: Stefan Lanz
 Maintainer: Stefan Lanz <slanz1137@gmail.com>
 Description: The public library of Koeniz, Switzerland, offers a

diff --git a/R/shiny.R b/R/shiny.R
@@ -346,6 +346,21 @@ show_about <- function() {
       shiny::HTML(
         as_link("K\u00f6nizer Bibliotheken", "https://koenizerbibliotheken.ch")),
       ".", shiny::tags$br(), shiny::tags$br(),
+
+      if (bibleRe:::can_write_excel()) {
+        "Excel-Export ist auf diesem System möglich."
+      } else {
+        shiny::HTML(
+          "Excel-Export ist auf diesem System nicht möglich. Bitte installiere",
+          as_link("perl", "https://www.perl.org/"),
+          "und",
+          as_link("WriteXLS", "https://cran.r-project.org/web/packages/WriteXLS/"),
+          "."
+        )
+      },
+
+      shiny::tags$br(), shiny::tags$br(),
+
       as.character(utils::packageVersion("bibleRe")), shiny::tags$br(),
       shiny::HTML(
         as_link("github.com/stibu81/bibleRe", "https://github.com/stibu81/bibleRe")),