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Allow to definte the element for the intro #41

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Allow to definte the element for the intro #41

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0964004
allow to start intro on specific element
LukasK13 Nov 5, 2019
6f7ecb6
Allow to start intro on specific element
LukasK13 Nov 5, 2019
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8 changes: 5 additions & 3 deletions R/introjs.R
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Original file line number Diff line number Diff line change
Expand Up @@ -23,6 +23,7 @@
#' @param session the Shiny session object (from the server function of the Shiny app)
#' @param options List of options to be passed to intro.js
#' @param events List of text that are the body of a Javascript function. Must wrap in [I()]
#' @param element Element to start the intro on
#' @note For documentation on intro.js options and events, see \url{https://github.com/usablica/intro.js/wiki/Documentation}.
#' @seealso [introjsUI()] [introBox()]
#' @examples
Expand Down Expand Up @@ -62,11 +63,12 @@

introjs <- function(session,
options = list(),
events = list()) {
options <- list(options = options, events = events)
events = list(),
element = NULL) {
options <- list(options = options, events = events, element = element)
session$sendCustomMessage(type = "introjs",
message = jsonlite::toJSON(options,
auto_unbox = TRUE))
auto_unbox = TRUE, null = "null"))

}

Expand Down
9 changes: 7 additions & 2 deletions inst/javascript/rintro.js
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Expand Up @@ -14,7 +14,12 @@
// along with this program. If not, see <http://www.gnu.org/licenses/>.

Shiny.addCustomMessageHandler('introjs',function(options) {
introJs().setOptions(options.options).oncomplete(function() {
if (options.element == null) {
var intro = introJs();
} else {
var intro = introJs(options.element);
}
intro.setOptions(options.options).oncomplete(function() {
options.events.hasOwnProperty("oncomplete") && eval(options.events.oncomplete[0]);
}).onexit(function() {
options.events.hasOwnProperty("onexit") && eval(options.events.onexit[0]);
Expand Down Expand Up @@ -54,4 +59,4 @@ rintrojs = function() {
}
}
};
}();
}();