Class: Tableau::TableBuilder

Inherits:
Object
  • Object
show all
Defined in:
lib/tableau/tablebuilder.rb

Instance Method Summary collapse

Constructor Details

#initialize(timetable, css_options = {}) ⇒ TableBuilder

Returns a new instance of TableBuilder.



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# File 'lib/tableau/tablebuilder.rb', line 15

def initialize(timetable, css_options = {})
  @timetable = timetable
  @css = css_defaults.merge(css_options)
end

Instance Method Details

#build_css ⇒ Object 



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# File 'lib/tableau/tablebuilder.rb', line 20

def build_css
%Q{
body {
  background-color: #{@css[:body_color]};
}

table {
  border-collapse: collapse;
  border: 1px solid #{@css[:border_color]};
}

#time {
  background-color: #{@css[:header_bg_color]};
  color: #{@css[:header_fg_color]};
}

#time > th {
  font-weight: lighter;
  border-left: 1px solid #{@css[:border_color]};
}

.dh {
  background-color: #{@css[:header_bg_color]};
  color: #{@css[:header_fg_color]};
}

td {
  background-color: #{@css[:empty_color]};
  border: 1px solid #{@css[:border_color]};
  padding: 5px;
}

.class_item {
  background-color: #{@css[:class_color]};
}
}
end

#css_defaults ⇒ Object 



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# File 'lib/tableau/tablebuilder.rb', line 4

def css_defaults
  css_defaults = {
    body_color:      '#F4F5F6',
    border_color:    'rgba(0, 0, 0, 0.25)',
    class_color:     '#a9b1b9',
    header_bg_color: '#CFD3D7',
    header_fg_color: '#25292D',
    empty_color:     '#EBEDEE'
  }
end

#day_row(day, classes, end_time = nil) ⇒ Object 



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# File 'lib/tableau/tablebuilder.rb', line 58

def day_row(day, classes, end_time = nil)
  days = ['Mon', 'Tue', 'Wed', 'Thu', 'Fri']
  time = Time.new(2013, 1, 1, 9, 0 , 0)
  end_time ||= Time.new(2013, 1, 1, 21, 0, 0)

  day_row = %Q{<td class="dh">#{days[day]}</td>}

  if !classes || classes.count == 0
    while time < end_time
      day_row += "<td></td>"
      time += 900 # 15 mins in seconds
    end
  else
    while time < end_time
      class_at_time = @timetable.class_for_time(day, time)
      if class_at_time
        day_row += make_class(class_at_time)
        time += (900 * class_at_time.intervals)
      else
        day_row += "<td></td>"
        time += 900 # 15 mins in seconds
      end
    end
  end
  day_row
end

#make_class(klass) ⇒ Object

Create the HTML for a class item on the table



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# File 'lib/tableau/tablebuilder.rb', line 86

def make_class(klass)
  %Q{
    <td class="class_item" colspan="#{klass.intervals}">
      <p>#{klass.name} - #{klass.location}</p>
      <p>#{klass.type}</p>
    </td>}
end

#to_html ⇒ Object

HTML5 representation of the timetable



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# File 'lib/tableau/tablebuilder.rb', line 95

def to_html
  time_header, rows = '<th></th>', Array.new
  end_time = Time.new(2013, 1, 1, 21, 0, 0)

  # make the time row
  @time = Time.new(2013, 1, 1, 9, 0, 0)
  while @time < end_time
    time_header += "<th>#{@time.strftime("%-k:%M")}</th>"
    @time += 900
  end

  #make each day row
  (0..4).each do |day|
    classes = @timetable.classes_for_day(day)
    rows << day_row(day, classes)
  end

  rows_str, id_str = '', "id=\"#{@timetable.name}\""
  rows.each{ |r| rows_str += "<tr class=\"day\">\n#{r}\n</tr>\n" }

  %Q{
    <!DOCTYPE html>
    <html>
    <head>
      <title>#{@timetable.name || 'Timetable' } - Timetablr.co</title>
      <style>#{build_css}</style>
    </head>
    <body>
      <h3>#{@timetable.name}</h3>
      <table #{id_str if @timetable.name}>
        <tr id="time">#{time_header}</tr>
        #{rows_str}
      </table>
    </body>
    </html>
  }
end