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#' @import htmlwidgets
#' @title cytoscape.js in shiny application
#'
#' @description generate canvas with given network element and options
#'
#' @param elements node and edge objects, it should be list of element.
#' @param options rendering / interaction options, can be created with buildIoption(), buildRoption()
#' @param layout list type layout, it must be contain name and other optional values
#' @param width canvas width.
#' @param height canvas height.
#' @param elementId id used to identify in application.
#' @param ... other parameters
#'
#' @export
shinyCyJS <- function(elements = list(), options = list(), layout = list(name = "cose"),
width = NULL, height = NULL, elementId = NULL, ...) {
input <- list(elements = elements, options = options, layout = layout)
htmlwidgets::createWidget(
name = "shinyCyJS",
input,
width = width,
height = height,
package = "shinyCyJS",
elementId = elementId,
...
)
}
#' @title create an cytoscape canvas element
#'
#' @description render a renderShinyCyJS() within an application page.
#'
#' @param outputId output variable to read the canvas from
#' @param width canvas width
#' @param height canvas height
#' @import htmlwidgets
#'
#' @export
#' @seealso renderShinyCyJS()
ShinyCyJSOutput <- function(outputId, width = "100%", height = "400px") {
htmlwidgets::shinyWidgetOutput(outputId, "shinyCyJS", width, height, package = "shinyCyJS")
}
#' @title ShinyCyJS output
#'
#' @param expr expression that returns a list
#' @param env the environment in which to evaluate expr
#' @param quoted is expr a quoted expression (with quote())
#' @import htmlwidgets
#'
#' @description renders a cytoscape image for output
#' @seealso ShinyCyJSOutput()
#'
#'
#' @export
#'
renderShinyCyJS <- function(expr, env = parent.frame(), quoted = FALSE) {
if (!quoted) {
expr <- substitute(expr)
} # force quoted
htmlwidgets::shinyRenderWidget(expr, ShinyCyJSOutput, env, quoted = TRUE)
}
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