r - Plotly 自定义模式栏图标更改颜色和形状，并在 R 的新窗口中打开链接

Question

我正在使用自定义模式栏图标在新窗口中打开链接，并且遇到了一些相关问题

问题 1) 自定义图标不是正方形。如果重新缩放以适应正方形将太小。你如何让它正确显示？要在编织 rmarkdown 后获得的 html 中进行编辑很简单，通过右键单击您的图标，然后选择检查，您可以将宽度从 1em 更改为 2em 以获得一个宽矩形。

<svg viewBox="0 0  NaN" class="icon" height="1em" width="2em">

你如何在 R 中控制它？

问题 2) 自定义图标默认为单调灰色。如何获得你喜欢的颜色？要在编织 rmarkdown 后获得的 html 中进行编辑很简单，只需右键单击您的图标，然后选择检查，然后在下面添加 style = fill... 代码，就可以使用您的颜色:

transform="scale(1) translate(0, -8)" style="fill:#7ac143"></path>

你如何在 R 中控制它？下面的示例代码不使用颜色设置。

问题 3) Icon 有一个链接，理想情况下可以在新窗口中打开。 plotly 按钮会打开一个新窗口。下面的自定义图标示例代码不使用“空白”选项在新窗口中打开。

你怎么能在新窗口中打开它？

---
title: "Custom icons in Plotly"
output: html_document
---

```{r echo = FALSE, message = FALSE}
library(plotly)
library(htmlwidgets)
library(ggplot2)

data <- data.frame(
    Time = round(runif(10), 2),
    Value = round(runif(10), 2),
    Type = rep(c("A", "B"), each = 5)
    )

gg <- ggplot(data = data) +
    theme(legend.title = element_blank()) +
    geom_point(mapping = aes(x = Time, y = Value, colour = Type), size = 2)

# (1) svg path copied from svg file opened in notepad

# logo-mastercard.svg from https://github.com/plotly/plotly-icons/tree/master/src/svg
mc_icon_svg_path = "M29.375 16c0-1.438-0.375-2.813-1.063-4.063-0.75-1.188-1.75-2.125-2.938-2.875-1.313-0.688-2.625-1.063-4-1.063-1.813 0-3.438 0.563-4.875 1.625 1.313 1.188 2.125 2.563 2.563 4.188h-0.75c-0.375-1.375-1.125-2.688-2.313-3.75-1.188 1.063-1.938 2.375-2.313 3.75h-0.75c0.438-1.625 1.25-3 2.563-4.188-1.438-1.063-3.063-1.625-4.875-1.625-1.375 0-2.688 0.375-4 1.063-1.188 0.75-2.188 1.688-2.938 2.875-0.688 1.25-1.063 2.625-1.063 4.063s0.375 2.813 1.063 4.063c0.75 1.188 1.75 2.125 2.938 2.875 1.313 0.688 2.625 1.063 4 1.063 1.813 0 3.438-0.563 4.875-1.625-1.188-1.063-2-2.313-2.5-3.875h0.75c0.438 1.313 1.188 2.5 2.25 3.438 1.063-0.938 1.813-2.125 2.25-3.438h0.75c-0.5 1.563-1.313 2.813-2.5 3.875 1.438 1.063 3.063 1.625 4.875 1.625 1.375 0 2.688-0.375 4-1.063 1.188-0.75 2.188-1.688 2.938-2.875 0.688-1.25 1.063-2.625 1.063-4.063zM6.125 14.063h1.25l-0.625 3.875h-0.813l0.5-2.938-1.063 2.938h-0.625v-2.938l-0.5 2.938h-0.813l0.688-3.875h1.188v2.375zM9.875 15.688c0 0.188-0.063 0.375-0.063 0.563-0.063 0.313-0.125 0.625-0.188 0.875 0 0.25-0.063 0.438-0.125 0.625v0.188h-0.625v-0.375c-0.188 0.313-0.5 0.438-0.875 0.438-0.25 0-0.375-0.063-0.5-0.188-0.188-0.188-0.25-0.438-0.25-0.688 0-0.375 0.125-0.688 0.375-0.875 0.313-0.188 0.688-0.313 1.125-0.313h0.313v-0.188c0-0.188-0.188-0.25-0.563-0.25-0.188 0-0.5 0-0.813 0.125 0-0.188 0.063-0.438 0.125-0.688 0.313-0.125 0.625-0.188 0.938-0.188 0.75 0 1.125 0.313 1.125 0.938zM8.938 16.5h-0.188c-0.438 0-0.688 0.188-0.688 0.5 0 0.188 0.063 0.313 0.25 0.313s0.313-0.063 0.438-0.188c0.125-0.125 0.188-0.313 0.188-0.625zM12.188 14.813l-0.125 0.75c-0.188-0.063-0.375-0.063-0.625-0.063s-0.375 0.063-0.375 0.25c0 0.063 0 0.125 0.063 0.188l0.25 0.125c0.375 0.25 0.563 0.5 0.563 0.875 0 0.688-0.375 1.063-1.25 1.063-0.375 0-0.688-0.063-0.813-0.063 0-0.188 0.063-0.438 0.125-0.75 0.313 0.063 0.563 0.125 0.688 0.125 0.313 0 0.5-0.063 0.5-0.25 0-0.063-0.063-0.188-0.063-0.188-0.125-0.125-0.188-0.188-0.375-0.188-0.375-0.188-0.563-0.5-0.563-0.875 0-0.688 0.375-1.063 1.188-1.063 0.375 0 0.688 0 0.813 0.063zM13.438 14.813h0.375l-0.063 0.813h-0.438c0 0.188-0.063 0.375-0.063 0.563 0 0.063-0.063 0.125-0.063 0.25 0 0.188-0.063 0.25-0.125 0.313v0.25c0 0.188 0.125 0.25 0.313 0.25 0.063 0 0.125 0 0.25-0.063l-0.125 0.75c-0.125 0-0.313 0.063-0.625 0.063-0.438 0-0.625-0.25-0.625-0.688 0-0.25 0-0.563 0.125-0.875l0.313-2.063h0.813zM16.375 15.875c0 0.313 0 0.563-0.063 0.813h-1.625c0 0.188 0.063 0.375 0.125 0.438 0.125 0.125 0.313 0.188 0.563 0.188 0.313 0 0.563-0.063 0.875-0.25l-0.125 0.813c-0.188 0.063-0.5 0.125-0.875 0.125-0.875 0-1.375-0.5-1.375-1.375 0-0.625 0.125-1.063 0.438-1.375 0.25-0.313 0.563-0.5 0.938-0.5s0.688 0.125 0.875 0.313c0.188 0.188 0.25 0.438 0.25 0.813zM14.75 16h0.938v-0.188l-0.063-0.125c0-0.063-0.063-0.125-0.063-0.125-0.063 0-0.125-0.063-0.188-0.063h-0.125c-0.25 0-0.438 0.125-0.5 0.5zM18.438 14.813c-0.063 0.063-0.125 0.375-0.313 0.938-0.188-0.063-0.313 0.063-0.5 0.313-0.125 0.5-0.188 1.125-0.313 1.875h-0.875l0.063-0.188c0.188-1.25 0.313-2.25 0.438-2.938h0.813l-0.125 0.438c0.188-0.188 0.313-0.313 0.438-0.375 0.125-0.125 0.25-0.125 0.375-0.063zM21.25 14.188l-0.188 0.813c-0.25-0.125-0.5-0.188-0.688-0.188-0.375 0-0.625 0.125-0.813 0.375s-0.25 0.563-0.25 1.063c0 0.313 0.063 0.563 0.188 0.688 0.125 0.188 0.313 0.25 0.563 0.25 0.188 0 0.438-0.063 0.688-0.188l-0.125 0.875c-0.188 0.063-0.438 0.125-0.75 0.125-0.438 0-0.75-0.188-1.063-0.5-0.25-0.25-0.375-0.625-0.375-1.188 0-0.625 0.188-1.188 0.563-1.625 0.313-0.438 0.75-0.688 1.313-0.688 0.188 0 0.5 0.063 0.938 0.188zM23.625 15.688c0 0-0.063 0.125-0.063 0.25s0 0.25 0 0.313c-0.063 0.25-0.125 0.563-0.188 0.938 0 0.375-0.063 0.625-0.125 0.75h-0.625v-0.375c-0.188 0.313-0.5 0.438-0.875 0.438-0.25 0-0.375-0.063-0.5-0.188-0.188-0.188-0.25-0.438-0.25-0.688 0-0.375 0.125-0.688 0.375-0.875 0.313-0.188 0.625-0.313 1.063-0.313h0.313c0.063-0.063 0.063-0.125 0.063-0.188 0-0.188-0.188-0.25-0.5-0.25-0.25 0-0.563 0-0.875 0.125 0-0.188 0-0.438 0.125-0.688 0.375-0.125 0.625-0.188 0.938-0.188 0.75 0 1.125 0.313 1.125 0.938zM22.688 16.5h-0.188c-0.438 0-0.688 0.188-0.688 0.5 0 0.188 0.125 0.313 0.25 0.313 0.188 0 0.313-0.063 0.438-0.188s0.188-0.313 0.188-0.625zM25.625 14.813c-0.125 0.188-0.25 0.5-0.313 0.938-0.188-0.063-0.313 0.063-0.438 0.313s-0.188 0.875-0.375 1.875h-0.813l0.063-0.188c0.188-1 0.313-2 0.375-2.938h0.813c0 0.188-0.063 0.313-0.063 0.438 0.125-0.188 0.25-0.313 0.375-0.375 0.188-0.063 0.313-0.125 0.375-0.063zM27.688 14.063h0.875l-0.688 3.875h-0.75l0.063-0.313c-0.188 0.25-0.438 0.375-0.75 0.375-0.375 0-0.563-0.125-0.688-0.375-0.25-0.25-0.375-0.563-0.375-0.875 0-0.625 0.188-1.063 0.5-1.438 0.188-0.313 0.5-0.5 0.875-0.5 0.313 0 0.563 0.125 0.813 0.375zM27.375 16.125c0-0.375-0.188-0.563-0.438-0.563-0.188 0-0.375 0.063-0.5 0.313-0.063 0.125-0.125 0.375-0.125 0.75s0.125 0.563 0.375 0.563c0.188 0 0.375-0.063 0.5-0.25s0.188-0.438 0.188-0.813z"

# (2) Scale/translate works, after some trial and error

# Notes
# (3) Size of viewbox ideally is controlled via here to show rectangular icon neatly.
# (4) Colour control doesn't work
# (5) Open link in new window doesn't work 

mc_button <- list(
    name = "MasterCard",
    icon = list(
        path = mc_icon_svg_path,
        transform = "scale(1) translate(0, -8)",
        style = "fill:#7ac143"
        ),
        click = htmlwidgets::JS(
        "function(gd) {window.location.href = 'http://www.mastercard.com', target='_blank';}"
    )
)

# (6) Some additional customisation
ggplotly(gg) %>%
    config(modeBarButtonsToAdd = list(mc_button)) %>%
    config(displayModeBar = TRUE)

Answer 1

问题 1) 我真的不知道对此有什么好的解决方案，除了尝试重新调整它直到正常为止。但是您当然可以使用 htmlwidgets::onRender 将宽度设置为“2em”。方法。我也用它来改变填充。

问题 2) 您可以使用 onRender更改 svg 路径的样式。在函数内部，我使用 data-title 定义了 2 个 css 选择器万事达。一个用于 svg，一个用于 svg 内的路径，然后您可以使用 Jquery 的 css() 更改它们的 css 设置。 .

问题 3) 尝试使用 window.open反而。这将在新选项卡中打开页面。

mc_button <- list(
  name = "MasterCard",
  icon = list(
    path = mc_icon_svg_path[[1]]
    ,transform = "scale(0.6 0.6) translate(-3, -2)"
  ),
  click = htmlwidgets::JS(
    "function(gd) {window.open('http://www.mastercard.com', '_blank')}"
  )
)

ggplotly(gg) %>%
  config(modeBarButtonsToAdd = list(mc_button)) %>%
  config(displayModeBar = TRUE) %>% 
  htmlwidgets::onRender('function(el, x) {
                         $("[data-title=\'MasterCard\'] svg path").css("fill", "#7ac143");
                         $("[data-title=\'MasterCard\'] svg").css("width","2em");
                        }')