Class: Visualizer

Inherits:
Object
  • Object
show all
Defined in:
lib/model-visualizer/visualizer.rb

Constant Summary collapse

FILE_PATH = 
'model-visualizer.html'

Instance Method Summary collapse

Constructor Details

#initialize(models) ⇒ Visualizer

Returns a new instance of Visualizer.



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# File 'lib/model-visualizer/visualizer.rb', line 8

def initialize(models)
    @models = models
end

Instance Method Details

#create_sidebar ⇒ Object 



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# File 'lib/model-visualizer/visualizer.rb', line 34

def create_sidebar
    str = '<div class="sidebar">'
    str += '<div class="search"><input type="search" class="searchbox" results=5 size="large" placeholder="Search"></div>' # input type="search" does not let you resize in webkit
    @models.sort.each do |name, model|
        str += '<div class="model" onclick="highlightNode(this.innerHTML)">' + name + '</div>'
    end
    str += '</div>'
end

#create_visualization(title) ⇒ Object 



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# File 'lib/model-visualizer/visualizer.rb', line 12

def create_visualization(title)
    # Get file from gem directory
    g = Gem::Specification.find_by_name 'model-visualizer'
    template = File.join(g.full_gem_path, 'share/template.html')
    css = File.join(g.full_gem_path, 'share/main.css')
    d3 = File.join(g.full_gem_path, 'share/d3.min.js')
    tooltip = File.join(g.full_gem_path, 'share/d3.tip.js')

    # Insert data into file
    template_contents = File.read template
    output = template_contents.gsub(/<%= @models %>/, JSON.generate(@models))
                              .gsub(/<%= @css %>/, css)
                              .gsub(/<%= @d3 %>/, d3)
                              .gsub(/<%= @title %>/, title + ' Model Visualization')
                              .gsub(/<%= @sidebar %>/, create_sidebar)
                              .gsub(/<%= @tooltip %>/, tooltip)

    # Write and open file
    File.open(FILE_PATH, 'w') {|file| file.puts output}
    self.launch_browser FILE_PATH
end

#launch_browser(path) ⇒ Object

stackoverflow.com/questions/152699/open-the-default-browser-in-ruby



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# File 'lib/model-visualizer/visualizer.rb', line 44

def launch_browser(path)
    if RbConfig::CONFIG['host_os'] =~ /mswin|mingw|cygwin/
        system "start #{path}"
    elsif RbConfig::CONFIG['host_os'] =~ /darwin/
        system "open #{path}"
    elsif RbConfig::CONFIG['host_os'] =~ /linux|bsd/
        system "xdg-open #{path}"
    end
end