Class: Thamble::Table

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

Overview

The Table class stores the rows and attributes to use for the HTML tags, and contains helper methods for common formatting.

Instance Method Summary collapse

Constructor Details

#initialize(opts = OPTS) ⇒ Table

Create a new Table instance. Usually not called directly, but through Thamble.table.



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# File 'lib/thamble.rb', line 50

def initialize(opts=OPTS)
  @opts = opts
  @rows = []
end

Instance Method Details

#<<(row) ⇒ Object

Add a row to the table.



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# File 'lib/thamble.rb', line 56

def <<(row)
  @rows << row
end

#a(text, href, opts = OPTS) ⇒ Object

Create an a tag with the given text and href.



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# File 'lib/thamble.rb', line 121

def a(text, href, opts=OPTS)
  tag('a', text, opts.merge(:href=>href))
end

#raw(s) ⇒ Object

Return a Raw string, which won’t be HTML escaped.



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# File 'lib/thamble.rb', line 126

def raw(s)
  RawString.new(s)
end

#tag(*a) ⇒ Object

Create a Tag object from the arguments.



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# File 'lib/thamble.rb', line 116

def tag(*a)
  Tag.tag(*a)
end

#to_s ⇒ Object

Return a string containing the HTML table.



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# File 'lib/thamble.rb', line 61

def to_s
  empty = ''.freeze
  tr = 'tr'.freeze
  th = 'th'.freeze
  td = 'td'.freeze
  nl = "\n".freeze
  tr_attr = @opts[:tr]
  th_attr = @opts[:th]
  td_attr = @opts[:td]
  col_th = @opts[:column_th]

  t = tag('table', empty, @opts[:table])
  s = t.open.dup
  s << nl

  if caption = @opts[:caption]
    s << tag(:caption, caption).to_s
  end

  if widths = @opts[:widths]
    s << "<colgroup>\n"
    widths.each do |w|
      s << "<col width=\"#{w.to_i}\" />\n"
    end
    s << "</colgroup>\n"
  end

  if headers = @opts[:headers]
    s << "<thead>\n"
    headers = headers.split(',') if headers.is_a?(String)
    trh = tag(tr, empty, handle_proc(tr_attr, headers))
    s << trh.open
    s << nl
    headers.each_with_index do |header, i|
      s << tag(th, header, handle_proc(th_attr, header)).to_s
    end
    s << trh.close
    s << "</thead>\n"
  end

  s << "<tbody>\n"
  @rows.each do |row|
    trh = tag(tr, empty, handle_proc(tr_attr, row))
    s << trh.open
    s << nl
    row.each_with_index do |col, i|
      s << tag((col_th && i == 0 ? th : td), col, handle_proc(td_attr, col, i, row)).to_s
    end
    s << trh.close
  end
  s << "</tbody>\n"
  s << t.close
end