Class: Charty::Backends::PlotlyHelpers::NotebookRenderer

Inherits:
HtmlRenderer
  • Object
show all
Defined in:
lib/charty/backends/plotly_helpers/notebook_renderer.rb

Constant Summary

Constants inherited from HtmlRenderer

HtmlRenderer::DEFAULT_HEIGHT, HtmlRenderer::DEFAULT_WIDTH, HtmlRenderer::MATHJAX_CDN_URL, HtmlRenderer::PLOTLY_LATEST_CDN_URL, HtmlRenderer::PLOTLY_URL

Instance Method Summary collapse

Constructor Details

#initialize(use_cdn: false) ⇒ NotebookRenderer 



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# File 'lib/charty/backends/plotly_helpers/notebook_renderer.rb', line 5

def initialize(use_cdn: false)
  super(use_cdn: use_cdn, full_html: false, requirejs: true)
  @initialized = false
end

Instance Method Details

#activate ⇒ Object 



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# File 'lib/charty/backends/plotly_helpers/notebook_renderer.rb', line 10

def activate
  return if @initialized

  unless IRubyHelper.iruby_notebook?
    raise "IRuby is unavailable"
  end

  if @use_cdn
    script = "      <script type=\"text/javascript\">\n        %{win_config}\n        %{mathjax_config}\n        if (typeof require !== 'undefined') {\n          require.undef(\"plotly\");\n          requirejs.config({\n            paths: {\n              'plotly': ['https://cdn.plot.ly/plotly-latest.min']\n            }\n          });\n          require(['plotly'], function (Plotly) {\n            window._Plotly = Plotly;\n          });\n        }\n      </script>\n    END_SCRIPT\n  else\n    script = <<~END_SCRIPT % {script: get_plotlyjs, win_config: window_plotly_config, mathjax_config: mathjax_config}\n      <script type=\"text/javascript\">\n        %{win_config}\n        %{mathjax_config}\n        if (typeof require !== 'undefined') {\n          require.undef(\"plotly\");\n          define('plotly', function (require, exports, module) {\n            %{script}\n          });\n          require(['plotly'], function (Plotly) {\n            window._Plotly = Plotly;\n          });\n        }\n      </script>\n    END_SCRIPT\n  end\n  IRuby.display(script, mime: \"text/html\")\n  @initialized = true\n  nil\nend\n" % {win_config: window_plotly_config, mathjax_config: mathjax_config}

#render(figure, element_id: nil, post_script: nil) ⇒ Object 



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# File 'lib/charty/backends/plotly_helpers/notebook_renderer.rb', line 57

def render(figure, element_id: nil, post_script: nil)
  ary = Array.try_convert(post_script)
  post_script = ary || [post_script]
  post_script.unshift("    var gd = document.getElementById('%{plot_id}');\n    var x = new MutationObserver(function (mutations, observer) {\n      var display = window.getComputedStyle(gd).display;\n      if (!display || display === 'none') {\n        console.log([gd, 'removed']);\n        Plotly.purge(gd);\n        observer.disconnect();\n      }\n    });\n\n    // Listen for the removal of the full notebook cell\n    var notebookContainer = gd.closest('#notebook-container');\n    if (notebookContainer) {\n      x.observe(notebookContainer, {childList: true});\n    }\n\n    // Listen for the clearing of the current output cell\n    var outputEl = gd.closest('.output');\n    if (outputEl) {\n      x.observe(outputEl, {childList: true});\n    }\n  END_POST_SCRIPT\n\n  super(figure, element_id: element_id, post_script: post_script)\nend\n")