mpld3：如何使用插件更改工具栏的位置？ [英] mpld3: How to change the location of the toolbar using a plugin?

问题描述

mpld3显示的工具栏通常位于屏幕的右下角。我想它在屏幕的右上角。看起来好像控制工具栏位置的代码可以位于此处。

我想知道如何使用Javascript选择工具栏对象，以便我可以更改它的位置。 Javascript代码理想地是一些自定义mpld3插件的属性。

解决方案

这是一个简单的 mpld3 图的顶部：

  class TopToolbar（plugins.PluginBase）：
 of figure
 
 JAVASCRIPT =
 mpld3.register_plugin（toptoolbar，TopToolbar）; 
 TopToolbar.prototype = Object.create（mpld3.Plugin.prototype ）; 
 TopToolbar.prototype.constructor = TopToolbar; 
 function TopToolbar（fig，props）{
 mpld3.Plugin.call（this，fig，props）; 
}; 
 
 TopToolbar.prototype.draw = function（）{
 //工具栏svg不存在
 //但是，首先绘制
 this.fig。 toolbar.draw（）; 
 
 //然后将y位置改为
 //在图的顶部
 this.fig.toolbar.toolbar.attr（ y，2）; 
 
 //然后删除绘制函数
 //以便不再调用
 this.fig.toolbar.draw = function（） {} 
} 

 def __init __（self）：
 self.dict_ = {type：toptoolbar} 
  
 
 
 
您可以在这里的笔记本。
 
The toolbar for mpld3 displays is usually located in the bottom right corner of the screen. I would like it to be in the top-right corner of the screen. It appears as though the code controlling the position of the toolbar can be located here. 

I would like to know how to select the toolbar object using Javascript so that I may change it's location. The Javascript code would ideally be the attribute of some custom mpld3 plugin. 
解决方案
Here is a simple mpld3 plugin to move the toolbar to the top of a figure:
class TopToolbar(plugins.PluginBase):
    """Plugin for moving toolbar to top of figure"""

    JAVASCRIPT = """
    mpld3.register_plugin("toptoolbar", TopToolbar);
    TopToolbar.prototype = Object.create(mpld3.Plugin.prototype);
    TopToolbar.prototype.constructor = TopToolbar;
    function TopToolbar(fig, props){
        mpld3.Plugin.call(this, fig, props);
    };

    TopToolbar.prototype.draw = function(){
      // the toolbar svg doesn't exist
      // yet, so first draw it
      this.fig.toolbar.draw();

      // then change the y position to be
      // at the top of the figure
      this.fig.toolbar.toolbar.attr("y", 2);

      // then remove the draw function,
      // so that it is not called again
      this.fig.toolbar.draw = function() {}
    }
    """
    def __init__(self):
        self.dict_ = {"type": "toptoolbar"}
You can see it in action in a notebook here.

                        
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