inst/app-visualize/helper/barly2.R

barly2 <- function(x, y, data, auto_size = TRUE, 
                   plot_width = NULL, plot_height = NULL,
                   axis_range = FALSE, y_min, y_max,
                   title = NA, show_legend = TRUE, x_title = NA, 
                   y_title = NA, x_showgrid = TRUE, y_showgrid = TRUE,
                   ax_title_font_family = 'Arial, sans-serif',
                      ax_title_font_size = 18, ax_title_font_color = 'black',
                      ax_tick_font_family = 'Arial, sans-serif',
                      ax_tick_font_size = 18, ax_tick_font_color = 'black',
                      x_autotick = TRUE, x_ticks = 'outside', x_tick0 = NULL,
                      x_dtick = NULL, x_ticklen = 5, x_tickwidth = 1,
                      x_tickcolor = '#444', x_showticklab = TRUE, 
                      x_tickangle = 'auto', x_zeroline = FALSE, 
                      x_showline = TRUE, x_gridcolor = "rgb(204, 204, 204)",
                      x_gridwidth = 1, x_zerolinecol = "#444", 
                      x_zerolinewidth = 1, x_linecol = '#444',
                      x_linewidth = 1, 
                      y_autotick = TRUE, y_ticks = 'outside', 
                      y_tick0 = NULL, y_dtick = NULL, y_ticklen = 5, 
                      y_tickwidth = 1, y_tickcolor = '#444', 
                      y_showticklab = TRUE, y_tickangle = 'auto', 
                      y_zeroline = FALSE, y_showline = TRUE, 
                      y_gridcolor = "rgb(204, 204, 204)",
                      y_gridwidth = 1, y_zerolinecol = "#444", 
                      y_zerolinewidth = 1, y_linecol = '#444',
                      y_linewidth = 1, left_margin = 80, right_margin = 80,
                      top_margin = 100, bottom_margin = 80, padding = 0,
                      leg_x = 100, leg_y = 0.5, leg_orientation = 'v', 
                      leg_font_family = 'sans-serif',
                      leg_font_size = 12, leg_font_color = '#000', 
                      leg_bg_color = '#E2E2E2',
                      leg_border_col = "#FFFFFF", leg_border_width = 2,
                      add_annotate = FALSE,
                      x_annotate, y_annotate, text_annotate,
                      annotate_xanchor = 'auto', show_arrow, arrow_head = 1,
                      ax_annotate = 20, ay_annotate = -40, 
                      annotate_family = 'sans-serif',
                      annotate_size = 14, annotate_col = 'red') {
  
  d <- data %>%
    select_(x, y) 
  
  t <- d %>%
    table() %>%
    as.data.frame.matrix()
  
  col1 <- t %>%
    rownames() %>%
    as.numeric()
  
  dat <- cbind(col1, t) 
  
  colnames(dat)[1] <- x
  
  cname <- colnames(dat)

  # style axes title and tickfont
  f1 <- list(
    family = ax_title_font_family,
    size = ax_title_font_size,
    color = ax_title_font_color
  )
  
  f2 <- list(
    family = ax_tick_font_family,
    size = ax_tick_font_size,
    color = ax_tick_font_color
  )
  
  xaxis <- list(
    title = x_title,
    showgrid = x_showgrid,
    autotick = x_autotick,
    ticks = x_ticks,
    tick0 = x_tick0,
    dtick = x_dtick,
    ticklen = x_ticklen, 
    tickwidth = x_tickwidth,
    tickcolor = x_tickcolor,
    titlefont = f1,
    showticklabels = x_showticklab,
    tickangle = x_tickangle, 
    tickfont = f2,
    zeroline = x_zeroline,
    showline = x_showline,
    gridcolor = x_gridcolor,
    gridwidth = x_gridwidth,
    zerolinecolor = x_zerolinecol,
    zerolinewidth = x_zerolinewidth,
    linecolor = x_linecol,
    linewidth = x_linewidth
  )
  
  yaxis <- list(
    title = y_title,
    showgrid = y_showgrid,
    autotick = y_autotick,
    ticks = y_ticks,
    tick0 = y_tick0,
    dtick = y_dtick,
    ticklen = y_ticklen, 
    tickwidth = y_tickwidth,
    tickcolor = y_tickcolor,
    titlefont = f1,
    showticklabels = y_showticklab,
    tickangle = y_tickangle, 
    tickfont = f2,
    zeroline = y_zeroline,
    showline = y_showline,
    mirror = 'ticks',
    gridcolor = y_gridcolor,
    gridwidth = y_gridwidth,
    zerolinecolor = y_zerolinecol,
    zerolinewidth = y_zerolinewidth,
    linecolor = y_linecol,
    linewidth = y_linewidth
  )
  
  # margins
  m <- list(
    l = left_margin,
    r = right_margin, 
    t = top_margin,
    b = bottom_margin, 
    pad = padding
  )

  # legend
  l <- list(
    x = leg_x,
    y = leg_y,
    orientation = leg_orientation,
    font = list(
      family = leg_font_family,
      size = leg_font_size,
      color = leg_font_color),
    bgcolor = leg_bg_color,
    bordercolor = leg_border_col,
    borderwidth = leg_border_width)
  
  # annotations
  if(add_annotate) {
    a <- list(
      x = x_annotate,
      y = y_annotate,
      text = text_annotate,
      xref = 'x',
      yref = 'y',
      xanchor = annotate_xanchor,
      showarrow = show_arrow,
      arrowhead = arrow_head,
      ax = ax_annotate,
      ay = ay_annotate,
      font = list(
        family = annotate_family,
        size = annotate_size,
        color = annotate_col
      )
    )
  }
  
  p <- plot_ly(dat, x = dat[, 1], y = dat[, 2], 
               type = 'bar', name = cname[2])
  
  j <- dim(dat)[2]
  
  for (i in 3:j) {
    p <- p %>%
      add_trace(y = dat[, i], name = cname[i])
  }

  p <- p  %>%
    
    layout(
      title = title,
      xaxis = xaxis,
      yaxis = yaxis,
      autosize = auto_size,
      margin = m,
      legend = l,
      showlegend = show_legend
    )

  if(add_annotate) {
    p <- p %>%
      layout(annotations = a)
  }
  
  if(axis_range) {
    p <- p %>%
      layout(
        yaxis = list(
          range = list(y_min, y_max)
        )
      )
  }
  
  p 
    
}

# test
barly2('cyl', 'gear', mtcars)

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xplorerr documentation built on Feb. 28, 2019, 5:05 p.m.