Class: ReportEngine::Html::Table

Inherits:
Table
  • Object
show all
Defined in:
lib/report_engine/html/table.rb

Direct Known Subclasses

SubTable

Instance Method Summary collapse

Methods inherited from Table

#add_headers, #add_y_headers, #data, #initialize

Constructor Details

This class inherits a constructor from ReportEngine::Table

Instance Method Details

#render ⇒ Object

renders an html table



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# File 'lib/report_engine/html/table.rb', line 7

def render
  if !@x_label.nil? && !@y_label.nil?
    @canvas.add_content( "<h2 class='axes'>#{@axis_title}</h2>
    <ul class='axes_list'>
      <li class='x_axis'>#{@x_label}</li>
      <li class='y_axis'>#{@y_label}</li>
    </ul>"  )
  end
  @canvas.add_content("<table>")
  @canvas.add_content(render_headers)
  if @data.first.is_a? Hash
    @data.each.map{|sub_table| @canvas.add_content(ReportEngine::Html::SubTable.new(@canvas, sub_table).render) }
  else
    @canvas.add_content("<tbody>#{ render_lines }</tbody>")
  end
  @canvas.add_content("</table>")
  if !@legends.nil?
    @canvas.add_content("<ul class='legends'>
      #{@legends.map{|l| "<li>#{l}</li>"}}
    </ul>")
  end
end

#render_cells(line) ⇒ Object

renders cells within a line in a html table



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# File 'lib/report_engine/html/table.rb', line 71

def render_cells(line)
  line.map{|cell| "<td>#{cell}</td>" }
end

#render_headers ⇒ Object

renders the header of an html table



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# File 'lib/report_engine/html/table.rb', line 32

def render_headers
  if @y_headers && !@data.first.is_a?(ReportEngine::SubTable)
    add_y_headers
  end
  if @x_headers
    "<thead>
      <tr>
        #{@x_headers.map{|header| "<th>#{header}</th>" }}
      </tr>
    </thead>"
  else
    ""
  end
end

#render_line(line, html_class = nil) ⇒ Object

renders a line in an html table



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# File 'lib/report_engine/html/table.rb', line 65

def render_line(line, html_class = nil)
  "<tr #{ "class='#{html_class}'" if html_class}>#{render_cells(line)}</tr>"
end

#render_lines ⇒ Object

renders all the lines in the html table



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# File 'lib/report_engine/html/table.rb', line 59

def render_lines
  @data.map{|line| render_line(line, swap_odd) }.join(' ')
end

#swap_odd ⇒ Object

Alternates between ‘odd’ and ‘even’



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# File 'lib/report_engine/html/table.rb', line 49

def swap_odd
  if @odd == "odd"
    @odd = "even"
  else
    @odd = "odd"
  end
end