Move the window such that given item or items are centered

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Description

Move the window such that given item or items are centered

Usage

1
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

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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)
    })
  }
)
}