timevis (version 2.1.0)

centerItem: Move the window such that given item or items are centered

Description

Move the window such that given item or items are centered

Usage

centerItem(id, itemId, options)

Arguments

id

Timeline id or a timevis object (the output from timevis())

itemId

A vector (or single value) of the item ids to center

options

Named list of options controlling mainly the animation. Most common option is "animation" = TRUE/FALSE. For a full list of options, see the "focus" method in the official Timeline documentation

Examples

if (FALSE) {
timevis(data.frame(
          id = 1:3,
          start = c(Sys.Date() - 1, Sys.Date(), Sys.Date() + 1),
          content = c("Item 1", "Item 2", "Item 3"))
) %>%
  centerItem(1)
}

if (interactive()) {
library(shiny)
shinyApp(
  ui = fluidPage(
    timevisOutput("timeline"),
    actionButton("btn", "Center around item 1")
  ),
  server = function(input, output) {
    output$timeline <- renderTimevis(
      timevis(
        data.frame(id = 1:3,
          start = c(Sys.Date() - 1, Sys.Date(), Sys.Date() + 1),
          content = c("Item 1", "Item 2", "Item 3"))
      )
    )
    observeEvent(input$btn, {
      centerItem("timeline", 1)
    })
  }
)
}