Translator: Translator R6 Class

Description Details Methods Examples

Description

Translator R6 Class

Translator R6 Class

Details

This creates shinny.i18n Translator object used for translations. Now you can surround the pieces of the text you want to translate by one of the translate statements (ex.: Translator$t("translate me")). Find details in method descriptions below.

Methods

Public methods


Method new()

Initialize the Translator with data

Usage
Translator$new(
  translation_csvs_path = NULL,
  translation_json_path = NULL,
  translation_csv_config = NULL,
  separator_csv = ",",
  automatic = FALSE
)
Arguments
translation_csvs_path

character with path to folder containing csv translation files. Files must have "translation_" prefix, for example: translation_<LANG-CODE>.csv.

translation_json_path

character with path to JSON translation file. See more in Details.

translation_csv_config

character with path to configuration file for csv option.

separator_csv

separator of CSV values (default ",")

automatic

logical flag, indicating if i18n should use an automatic translation API.


Method get_languages()

Get all available languages

Usage
Translator$get_languages()

Method get_translations()

Get whole translation matrix

Usage
Translator$get_translations()

Method get_key_translation()

Get active key translation

Usage
Translator$get_key_translation()

Method translate()

Translates 'keyword' to language specified by 'set_translation_language'

Usage
Translator$translate(keyword, session = shiny::getDefaultReactiveDomain())
Arguments
keyword

character or vector of characters with a word or expression to translate

session

Shiny server session (default: current reactive domain)


Method t()

Wrapper to translate method.

Usage
Translator$t(keyword, session = shiny::getDefaultReactiveDomain())
Arguments
keyword

character or vector of characters with a word or expression to translate

session

Shiny server session (default: current reactive domain)


Method set_translation_language()

Specify language of translation. It must exist in 'languages' field.

Usage
Translator$set_translation_language(transl_language)
Arguments
transl_language

character with a translation language code


Method parse_date()

Parse date to format described in 'cultural_date_format' field in config.

Usage
Translator$parse_date(date)
Arguments
date

date object to format


Method parse_number()

Numbers parser. Not implemented yet.

Usage
Translator$parse_number(number)
Arguments
number

numeric or character with number

Returns

character with number formatting


Method automatic_translate()

Translates 'keyword' to language specified by 'set_translation_language' using cloud service 'api'. You need to set API settings first.

Usage
Translator$automatic_translate(keyword, api = "google")
Arguments
keyword

character or vector of characters with a word or expression to translate

api

character with the name of the API you want to use. Currently supported: google.


Method at()

Wrapper to automatic_translate method

Usage
Translator$at(keyword, api = "google")
Arguments
keyword

character or vector of characters with a word or expression to translate

api

character with the name of the API you want to use. Currently supported: google.


Method use_js()

Call to wrap translation in span object. Used for browser-side translations.

Usage
Translator$use_js()

Method clone()

The objects of this class are cloneable with this method.

Usage
Translator$clone(deep = FALSE)
Arguments
deep

Whether to make a deep clone.

Examples

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## Not run: 
  i18n <- Translator$new(translation_json_path = "translation.json") # translation file
  i18n$set_translation_language("it")
  i18n$t("This text will be translated to Italian")

## End(Not run)

# Shiny example
if (interactive()) {
library(shiny)
library(shiny.i18n)
 #to run this example  make sure that you have a translation file
 #in the same path
i18n <- Translator$new(translation_json_path = "examples/data/translation.json")
i18n$set_translation_language("pl")
ui <- fluidPage(
  h2(i18n$t("Hello Shiny!"))
)
server <- function(input, output) {}
shinyApp(ui = ui, server = server)
}

shiny.i18n documentation built on Oct. 23, 2020, 6:18 p.m.